{"id":1022,"date":"2025-12-12T00:51:42","date_gmt":"2025-12-12T00:51:42","guid":{"rendered":"https:\/\/www.materialstests.com\/?p=1022"},"modified":"2025-12-12T00:52:10","modified_gmt":"2025-12-12T00:52:10","slug":"10-essential-benefits-of-a-reliable-softgel-capsule-hardness-tester","status":"publish","type":"post","link":"https:\/\/www.materialstests.com\/lv\/resources\/10-essential-benefits-of-a-reliable-softgel-capsule-hardness-tester.html","title":{"rendered":"10 b\u016btiskas priek\u0161roc\u012bbas, ko sniedz uzticams m\u012bksto kapsulu ciet\u012bbas testeris"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Kas ir kapsula?&nbsp;<a href=\"https:\/\/www.materialstests.com\/lv\/resources\/about-gelatin-capsules-and-the-importance-of-its-hardness-testing.html\/\">kapsulas ciet\u012bba<\/a>&nbsp;test\u0113t\u0101js? Pirms iepako\u0161anas m\u012bkstaj\u0101m \u017eelat\u012bna kapsul\u0101m ir j\u0101veic elast\u012bbas p\u0101rbaude. Tie\u0161i \u0161eit ir nepiecie\u0161ams test\u0113t\u0101js, un nevis jebkur\u0161 parasts test\u0113t\u0101js.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kapsulu ra\u017eot\u0101jiem ir nepiecie\u0161ams uzticams m\u012bksto kapsulu ciet\u012bbas test\u0113t\u0101js, lai pirms produktu lai\u0161anas tirg\u016b p\u0101rliecin\u0101tos, ka tie atbilst noteiktajiem nozares kvalit\u0101tes standartiem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rezult\u0101ts nor\u0101d\u012bs, vai kapsulai ir dota at\u013cauja iepako\u0161anai. T\u0101d\u0113j\u0101di var nov\u0113rst atk\u0101rtotas k\u013c\u016bdas iepako\u0161anas proces\u0101, kas ra\u017eot\u0101jam var\u0113tu rad\u012bt papildu izmaksas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gelomat m\u0113r\u0137is ir nodro\u0161in\u0101t augst\u0101kos kvalit\u0101tes standartus \u017eelat\u012bna kapsulu test\u0113\u0161an\u0101<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vair\u0101k par m\u012bkstaj\u0101m \u017eelat\u012bna kapsul\u0101m<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ir noteikti noteikumi par \u017eelat\u012bna ciet\u012bbas testera izmanto\u0161anu kapsulu izstr\u0101d\u0101jumos. Parasti nepiecie\u0161amo testu skaits ir atkar\u012bgs no kapsulas vienreiz\u0113j\u0101s devas. Tom\u0113r tam ir ar\u012b daudzas citas priek\u0161roc\u012bbas, kuras tiks apl\u016bkotas \u0161aj\u0101 rakst\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bet vispirms \u2013 \u0161eit ir viss, kas jums j\u0101zina par m\u012bkstaj\u0101m \u017eelat\u012bna kapsul\u0101m. \u0160os produktus galvenok\u0101rt izmanto z\u0101l\u0113s, miner\u0101lvielu piedev\u0101s un vitam\u012bnos. Kapsulas vai mikrokapsulas ir pild\u012btas ar akt\u012bvaj\u0101m viel\u0101m, lai aizsarg\u0101tu produktu no da\u017e\u0101diem \u0101r\u0113jiem faktoriem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160\u012bs akt\u012bv\u0101s vielas atbr\u012bvojas dif\u016bzijas, kaus\u0113\u0161an\u0101s, \u0161\u0137\u012b\u0161anas vai p\u0101rpl\u012b\u0161anas ce\u013c\u0101, tikl\u012bdz cilv\u0113ks ievieto kapsulu mut\u0113. No kapsulas apvalka iztur\u012bbas ir atkar\u012bgs, cik l\u0113ni vai \u0101tri akt\u012bv\u0101s vielas tiks atbr\u012bvotas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u012bkst\u0101s \u017eelat\u012bna kapsulas, ko d\u0113v\u0113 ar\u012b par \u017eelat\u012bna kapsul\u0101m, tiek ra\u017eotas no dz\u012bvnieku kaulu un \u0101das kolag\u0113na, ko p\u0101rstr\u0101d\u0101 \u017eelat\u012bn\u0101. Ir ar\u012b ve\u0123et\u0101ras vai augu kapsulas, kas izgatavotas no celulozes un kuru galven\u0101 sast\u0101vda\u013ca ir HPMC jeb hidroksipropilmetilceluloze. Tom\u0113r g\u0113la kapsulu ra\u017eo\u0161ana ir rentabl\u0101ka, t\u0101p\u0113c t\u0101s tiek izmantotas pla\u0161\u0101k nek\u0101 cita veida kapsulas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ir divu veidu \u017eelat\u012bna kapsulas \u2013 ar m\u012bkstu apvalku un ar cietu apvalku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kapsulas ar m\u012bkstu apvalku<\/strong>&nbsp;satur e\u013c\u013cas vai akt\u012bv\u0101s vielas, kas ir suspend\u0113tas vai iz\u0161\u0137\u012bdin\u0101tas e\u013c\u013c\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ciet\u0101s apvalka kapsulas<\/strong>&nbsp;t\u0101s satur s\u012bkus granulas vai sausas, pulverveida sast\u0101vda\u013cas. T\u0101s ir veidotas no div\u0101m da\u013c\u0101m: vien\u0101 da\u013c\u0101 atrodas z\u0101les, bet otrai da\u013cai ir liel\u0101ks diametrs, un to izmanto k\u0101 v\u0101ci\u0146u, lai nosl\u0113gtu kapsulu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Viss par Gelomat kapsulu&nbsp;<a href=\"https:\/\/www.materialstests.com\/lv\/products\/gelatin-capsule-hardness-tester.html\/\">Ciet\u012bbas m\u0113r\u012bt\u0101js<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eGelomat\u201c ir ier\u012bce, ko izmanto kapsulu ciet\u012bbas autom\u0101tiskai p\u0101rbaudei. T\u0101 ir piem\u0113rota gan m\u012bkstaj\u0101m, gan standarta kapsul\u0101m. Ar t\u0101s pal\u012bdz\u012bbu var veikt ciet\u012bbas p\u0101rbaudi p\u0101rtikas \u017eelat\u012bnam, plastil\u012bnam, \u017eelat\u012bna kapsul\u0101m un citiem materi\u0101liem. Ier\u012bce tiek pieg\u0101d\u0101ta ar standarta p\u0101rbaudes galvi\u0146u, ta\u010du to var papildin\u0101t ar citiem piederumiem, lai uzlabotu ier\u012bces funkcionalit\u0101ti un palielin\u0101tu t\u0101s efektivit\u0101ti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gelomat m\u0113r\u0137is ir nodro\u0161in\u0101t visaugst\u0101kos kvalit\u0101tes standartus \u017eelat\u012bna kapsulu test\u0113\u0161an\u0101. Tas ir izstr\u0101d\u0101ts, izmantojot jaun\u0101k\u0101s p\u0113tniec\u012bbas un att\u012bst\u012bbas tehnolo\u0123ijas un modern\u0101ko sist\u0113mu. Ier\u012bci var apr\u012bkot ar test\u0113\u0161anas galvi\u0146\u0101m, kuru slodzes kapacit\u0101te ir 0\u20132 N un 0\u201320 N. Operators var izv\u0113l\u0113ties vienu no galvi\u0146\u0101m un main\u012bt t\u0101s atbilsto\u0161i vajadz\u012bb\u0101m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Uzticama m\u012bksto kapsulu ciet\u012bbas testera galven\u0101s priek\u0161roc\u012bbas<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Nedestrukt\u012bvs risin\u0101jums<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gelomat pied\u0101v\u0101 nedestrukt\u012bvu risin\u0101jumu m\u012bksto \u017eelat\u012bna kapsulu ciet\u012bbas p\u0101rbaudei. Papildus m\u012bkstaj\u0101m \u017eelat\u012bna kapsul\u0101m un \u017eelat\u012bnam tas sp\u0113j noteikt ar\u012b agara, peintbola bumbi\u0146u, plastil\u012bna un citu materi\u0101lu iztur\u012bbu un ciet\u012bbu. Digit\u0101l\u0101s m\u0113r\u012b\u0161anas sist\u0113mas un ier\u012bces unik\u0101lais dizains nodro\u0161ina visdro\u0161\u0101ko un augst\u0101ko m\u0113r\u012bjumu precizit\u0101ti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Papildus standarta m\u0113r\u012b\u0161anas galvi\u0146ai ar diapazonu 0\u20132 N vai 0\u201320 N operators var izv\u0113l\u0113ties pievienot Centrofix vai Rotofix. Centrofix ir parauga stiprin\u0101jums, ko darbina manu\u0101li. Rotofix ir pozicion\u0113\u0161anas ier\u012bce, kas darbojas autom\u0101tiski. Lietot\u0101js ar programmat\u016bras pal\u012bdz\u012bbu var veikt da\u017e\u0101das funkcijas, tostarp izveidot partiju mapes, apskat\u012bt histogrammas, saglab\u0101t datus, analiz\u0113t rezult\u0101tus un veikt citas darb\u012bbas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u0101p\u0113c m\u012bksto \u017eelat\u012bna kapsulu test\u0113\u0161anai tiek piev\u0113rsta tik liela uzman\u012bba? Iepako\u0161anas process ir \u013coti r\u016bp\u012bgs, ta\u010du t\u0101 galvenais uzdevums ir nodro\u0161in\u0101t kapsulas formu. Tas garant\u0113, ka kapsula ir izveidota un sp\u0113j notur\u0113t pild\u012bjumu. Tikl\u012bdz kapsulas ir izg\u0101ju\u0161as visus nepiecie\u0161amos posmus, lai ieg\u016btu gal\u012bgo formu, test\u0113\u0161ana tiek pabeigta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160eit ir aprakst\u012bti so\u013ci, k\u0101 pagatavot m\u012bkst\u0101s \u017eelat\u012bna kapsulas:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">24 collu diametra ner\u016bs\u0113jo\u0161\u0101 t\u0113rauda cilindrs l\u0113n\u0101m grie\u017eas, kam\u0113r taj\u0101 ielej siltu \u0161\u0137idru \u017eelat\u012bnu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cilindram tiek pievad\u012bts kompresora gaisa pl\u016bsmas \u0101trums 400 kubikp\u0113du min\u016bt\u0113, gaisa temperat\u016brai sasniedzot 590 \u00b0F pie 20 % relat\u012bv\u0101 mitruma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kam\u0113r cilindrs turpina griezties, \u017eelat\u012bns saciet\u0113 saskarsm\u0113 ar v\u0113su, sausu gaisu, l\u012bdz elast\u012bga un lip\u012bga lente izlien no otras puses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kapsulas veido tie\u0161i \u0161\u012b pl\u0101naj\u0101 sloksne. Process noris autom\u0101tiski.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kapsulas ir pild\u012btas ar ra\u017eot\u0101ja produktiem, piem\u0113ram, vitam\u012bniem, z\u0101l\u0113m, uztura bag\u0101tin\u0101t\u0101jiem un citiem produktiem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pild\u012bt\u0101s kapsulas tiek nosl\u0113gtas un iemestas papl\u0101t\u0113.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pild\u012bt\u0101s kapsulas joproj\u0101m ir mitras un m\u012bkstas, t\u0101p\u0113c t\u0101s tiek p\u0101rvietotas uz kamer\u0101m vai \u017e\u0101v\u0113\u0161anas cilindriem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u017d\u0101v\u0113\u0161anas laiks ir atkar\u012bgs no daudziem faktoriem, tostarp no laika, kas nepiecie\u0161ams mitruma izvad\u012b\u0161anai, kapsulu skaita un to izm\u0113ra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tie\u0161i tik liela precizit\u0101te ir nepiecie\u0161ama, lai izgatavotu m\u012bkst\u0101s \u017eelejas kapsulas. Gaisa temperat\u016bra, kurai tiek pak\u013cauts cilindrs pild\u012b\u0161anas procesa laik\u0101, ir \u013coti svar\u012bga, jo t\u0101 var izrais\u012bt to, ka \u017eelejas k\u013c\u016bst p\u0101r\u0101k trauslas vai saciet\u0113 p\u0101r\u0101k \u0101tri. Abos gad\u012bjumos ra\u017eo\u0161ana var tikt p\u0101rtraukta un process j\u0101atk\u0101rto no s\u0101kuma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ja gaisa pl\u016bsmas \u0101trums ir p\u0101r\u0101k liels, \u017eelat\u012bna kapsulu biezums vai pl\u0101nums neb\u016bs vienm\u0113r\u012bgs. Savuk\u0101rt, ja tas ir p\u0101r\u0101k mazs, bet gaisa mitrums un temperat\u016bra ir p\u0101r\u0101k augsta, \u017eelat\u012bnam b\u016bs gr\u016bti saciet\u0113t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u017d\u0101v\u0113\u0161anas laik\u0101 nep\u0101rtraukti j\u0101kontrol\u0113 vides temperat\u016bra. Ide\u0101lais mitruma l\u012bmenis ir 20 graudi uz vienu m\u0101rci\u0146u gaisa, un rasas punkts ir 25 \u00b0F.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kad kapsulas ir piln\u012bb\u0101 iz\u017euvu\u0161as, t\u0101s tiek p\u0101rbaud\u012btas, izmantojot m\u012bksto kapsulu ciet\u012bbas m\u0113r\u012bt\u0101ju, piem\u0113ram, Gelomat. Pat tad kapsulu skaits, kas galu gal\u0101 tiks laists tirg\u016b, b\u016bs atkar\u012bgs no p\u0101rbaudes rezult\u0101tiem. Tas nodro\u0161ina, ka saglab\u0101t\u0101s kr\u0101jumu vien\u012bbas ir kvalitat\u012bvas un neapdraud\u0113s ra\u017eot\u0101ja reput\u0101ciju.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u0101p\u0113c ir svar\u012bgi, lai ier\u012bcei b\u016btu augsta reproduc\u0113jam\u012bba? Kapsulas tiek test\u0113tas partij\u0101s, un katrai partijas vien\u012bbai j\u0101b\u016bt ar l\u012bdz\u012bg\u0101m \u012bpa\u0161\u012bb\u0101m un ciet\u012bbu k\u0101 p\u0101r\u0113j\u0101m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Test\u0113t\u0101js ir izstr\u0101d\u0101ts, lai nodro\u0161in\u0101tu iztur\u012bbu un precizit\u0101ti<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is \u017eelat\u012bna ciet\u012bbas m\u0113r\u012bt\u0101js ir izstr\u0101d\u0101ts atbilsto\u0161i visaugst\u0101kajiem precizit\u0101tes standartiem, k\u0101di pieejami V\u0101cij\u0101 ra\u017eotiem ier\u012bc\u0113m. Tam piem\u012bt ar\u012b augsta atk\u0101rtojam\u012bba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u0101p\u0113c ir svar\u012bgi, lai ier\u012bcei b\u016btu augsta reproduc\u0113jam\u012bba? Kapsulas tiek test\u0113tas partij\u0101s, un katrai partijas vien\u012bbai j\u0101b\u016bt ar l\u012bdz\u012bg\u0101m \u012bpa\u0161\u012bb\u0101m un ciet\u012bbu k\u0101 p\u0101r\u0113j\u0101m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J\u016bs ta\u010du nev\u0113laties, lai pat\u0113r\u0113t\u0101js paman\u012btu at\u0161\u0137ir\u012bbas un secin\u0101tu, ka m\u012bkst\u0101k\u0101s kapsulas ir ar beigu\u0161os der\u012bguma termi\u0146u vai ka vi\u0146am ir p\u0101rdotas viltotas preces. Augst\u0101ko uzticam\u012bbas l\u012bmeni var sasniegt tikai tad, ja kapsulas ir \u013coti prec\u012bzi atdarin\u0101tas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zin\u0101tn\u0113 reproduc\u0113jam\u012bba ir precizit\u0101tes p\u0101rbau\u017eu p\u0113d\u0113jais un tre\u0161ais posms. Lai pan\u0101ktu stabilit\u0101ti, atkar\u012bb\u0101 no p\u0101rbaud\u0101m\u0101 produkta tiek izv\u0113l\u0113ta mar\u0137ieru sist\u0113ma. \u017delat\u012bna kapsulu p\u0101rbaud\u0113s piem\u0113rots svara attiec\u012bba ir sausajam plastifikatoram.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Saus\u0101s \u017eelat\u012bna un \u016bdens attiec\u012bba ir 1:1, un saus\u0101s \u017eelat\u012bna daudzums ir 0,4\u20130,6:1,0. Ja ieg\u016btais masas attiec\u012bba ir 1,8:1, tas noz\u012bm\u0113, ka apvalks ir m\u012bksts. Lai kapsula b\u016btu visciet\u0101kaj\u0101 form\u0101, plastifikatora un \u017eelat\u012bna svara attiec\u012bbai j\u0101b\u016bt 0,3:1,0.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Piem\u0113rots da\u017e\u0101d\u0101m nozar\u0113m \u2013 farm\u0101cijas nozarei<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tabletes ciet\u012bbas m\u0113r\u012bt\u0101ju galvenok\u0101rt izmanto farm\u0101cijas nozar\u0113. \u0160is laboratorijas tests nosaka tabletes strukt\u016bras integrit\u0101ti un l\u016bzuma punktu. Tas nosaka, k\u0101 t\u0101 main\u0101s apstr\u0101des, iepako\u0161anas, transport\u0113\u0161anas un uzglab\u0101\u0161anas laik\u0101. Tabletes l\u016bzuma punktu nosaka t\u0101s forma.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160\u0101da veida testeri ir paz\u012bstami jau kop\u0161 1930. gadiem. Ta\u010du tos patent\u0113ja tikai 1953. gad\u0101 Roberts Albrehts, nosaucot par \u201eStrong-Cobb\u201c testeri. Taj\u0101 laik\u0101 tos izmantoja k\u0101 gaisa s\u016bk\u0146us.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Probl\u0113ma ar vec\u0101kiem test\u0113t\u0101ju mode\u013ciem bija rezult\u0101tu nepast\u0101v\u012bba. Tie\u0161i \u0161o tr\u016bkumu jaun\u0101kie mode\u013ci, piem\u0113ram, \u201eGelomat\u201c, ir nov\u0113rsu\u0161i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To nodro\u0161ina \u0161\u0101das funkcijas, kas ir iek\u013cautas \u0161aj\u0101 labi paz\u012bstamaj\u0101 ier\u012bc\u0113:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Autom\u0101tisk\u0101 m\u0113r\u012b\u0161anas procesa piln\u012bga integr\u0101cija<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Histerezes funkcija<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nodro\u0161ina augstu test\u0113\u0161anas efektivit\u0101ti un visaugst\u0101ko precizit\u0101tes l\u012bmeni<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0113c pas\u016bt\u012bjuma izgatavoti stiprin\u0101jumi<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0112rta un \u0101tra datu p\u0101rs\u016bt\u012b\u0161ana caur USB portu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lietot\u0101jam draudz\u012bga sist\u0113ma, kas izstr\u0101d\u0101ta, lai nodro\u0161in\u0101tu atk\u0101rtojam\u012bbu un atbilst\u012bbu augst\u0101kajiem precizit\u0101tes standartiem<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Autom\u0101tisk\u0101s labo\u0161anas funkcija<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Digit\u0101lais displejs par\u0101da, ja ieg\u016btie r\u0101d\u012bt\u0101ji ir zem\u0101ki vai augst\u0101ki par robe\u017ev\u0113rt\u012bbu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Digit\u0101lajam displejam ir da\u017e\u0101das funkcijas, tostarp laika un att\u0101luma m\u0113r\u012b\u0161ana<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Piem\u0113rots da\u017e\u0101d\u0101m nozar\u0113m \u2013 peintbola nozarei<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u0101da ir ciet\u012bbas testera noz\u012bme peintbola nozar\u0113? L\u012bdz\u012bgi k\u0101 kapsul\u0101m, ar\u012b peintbola lod\u0113m ir nepiecie\u0161ama atk\u0101rtojama un uzticama metode lod\u012b\u0161u, stobru un mar\u0137ieru test\u0113\u0161anai. Test\u0113\u0161anas sist\u0113mai j\u0101nodro\u0161ina precizit\u0101te, atk\u0101rtojam\u012bba un vienk\u0101r\u0161\u012bba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160aj\u0101 nozar\u0113 ir \u013coti svar\u012bgi izdal\u012bt un noteikt neatkar\u012bg\u0101s un atkar\u012bg\u0101s main\u012bg\u0101s, kas ietekm\u0113 peintbola lodes lidojuma trajektoriju. Lodes precizit\u0101te liel\u0101 m\u0113r\u0101 ir atkar\u012bga no t\u0101s kvalit\u0101tes. Lodi var \u0161aut taisni tikai tad, ja t\u0101 nav uzpampusi, nav redzamas \u0161uves vai nel\u012bdzenumi \u2013 tie ir faktori, kurus test\u0113t\u0101js \u0146em v\u0113r\u0101 un nov\u0113r\u0161.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Papildus lod\u012btes kvalit\u0101tei ar\u012b stobra ciet\u012bba ietekm\u0113 iek\u0161\u0113j\u0101s apdares iztur\u012bbu. Stobra atver\u0113m j\u0101b\u016bt ar atbilsto\u0161u le\u0146\u0137i un izm\u0113ru. Pild\u012b\u0161anai daudzi ra\u017eot\u0101ji izmanto saspiestu gaisu, jo uzskata to par uzticam\u0101ku risin\u0101jumu, kas nodro\u0161ina augst\u0101ku precizit\u0101ti nek\u0101 CO2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Piem\u0113rots da\u017e\u0101d\u0101m nozar\u0113m \u2013 kosm\u0113tikas nozarei<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kosm\u0113tikas nozar\u0113 ir daudz produktu, kuriem b\u016btu lietder\u012bgi veikt ciet\u012bbas test\u0113\u0161anu. Piem\u0113ram, kosm\u0113tikas ton\u0101lais kr\u0113ms tiek pak\u013cauts testam, lai p\u0101rliecin\u0101tos, ka tas ir pietiekami ciet, kad to nospie\u017e, un atbilst p\u0113tniec\u012bbas un att\u012bst\u012bbas, k\u0101 ar\u012b kvalit\u0101tes kontroles noteiktajiem standartiem. To parasti veic, izmantojot testeri, kur\u0101 tiek izmantota programmat\u016bra, kabelis, testa stends un sp\u0113ka m\u0113r\u012bt\u0101ja m\u0113r\u012bjumi. Testerim ir meh\u0101niskas \u012bpa\u0161\u012bbas, tostarp atdal\u012b\u0161an\u0101s sp\u0113ks, saspie\u0161ana un stiepe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ciet\u012bbas m\u0113r\u012bt\u0101ju var izmantot ar\u012b kosm\u0113tikas produktu, tostarp l\u016bpu kr\u0101su, uzacu vai l\u016bpu z\u012bmu\u013cu, k\u0101 ar\u012b vaska un kr\u0113mu produktu, kvalit\u0101tes nodro\u0161in\u0101\u0161anai. Nozare vair\u0101k nek\u0101 uz ciet\u012bbas r\u0101d\u012bt\u0101jiem pa\u013caujas uz produktu tekst\u016bras p\u0101rbaudes rezult\u0101tiem. Pirms produktu lai\u0161anas tirg\u016b ir j\u0101p\u0101rliecin\u0101s, ka kosm\u0113tika uz \u0101das ir pat\u012bkama.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Materi\u0101lu stiepes un spiedes iztur\u012bbas p\u0101rbaudes<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Veicot m\u012bksto kapsulu test\u0113\u0161anu, tiek noteikta kapsulas sienas iztur\u012bba, lai noteiktu t\u0101s pl\u012b\u0161anas punktu. T\u0101d\u0113j\u0101di tiek noteikta ar\u012b kapsulas savienojuma vai \u017eelat\u012bna pl\u0113ves iztur\u012bba. Test\u0113\u0161ana tiek veikta, lai simul\u0113tu apst\u0101k\u013cus, kas var\u0113tu izrais\u012bt kapsulas pl\u012b\u0161anu, pirms t\u0101 non\u0101k pie pat\u0113r\u0113t\u0101ja.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gelomat uz kapsul\u0101m iedarbojas ar spiedes sp\u0113ku, lai ieg\u016btu datus par to, vai t\u0101s ir iztur\u0113ju\u0161as kvalit\u0101tes kontroli. Ier\u012bce p\u0101rbauda kapsulu sienu iztur\u012bbu, lai noskaidrotu, vai t\u0101 ir pietiekama, lai kapsula saglab\u0101tu savu formu pat p\u0113c \u0101r\u0113jo sp\u0113ku iedarb\u012bbas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ier\u012bces m\u0113r\u0137is ir nodro\u0161in\u0101t, ka pat\u0113r\u0113t\u0101ju r\u012bc\u012bb\u0101 non\u0101k tikai nopl\u016bdes dro\u0161as kapsulas. Tas veicina pat\u0113r\u0113t\u0101ju uztic\u0113\u0161anos ra\u017eot\u0101jiem un palielina atk\u0101rtotu pirkumu skaitu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ciet\u012bbas p\u0101rbaude ir tikai viena no daudzaj\u0101m p\u0101rbaud\u0113m, kur\u0101m tiek pak\u013cauti t\u0101di produkti k\u0101 kapsulas, lai nodro\u0161in\u0101tu kvalit\u0101tes kontroli. Tas pats attiecas uz peintbola lod\u012bt\u0113m un kosm\u0113tikas produktiem. Visi \u0161ie produkti, kas paredz\u0113ti pat\u0113r\u0113t\u0101ju ieg\u0101dei vai lieto\u0161anai, ir izg\u0101ju\u0161i virkni p\u0101rbau\u017eu, pirms tie tiek iepakoti un p\u0101rdoti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u012bksto \u017eelat\u012bna kapsulu gad\u012bjum\u0101 katra partija tiek pak\u013cauta virknei testu, lai p\u0101rliecin\u0101tos, ka t\u0101s atbilst standartiem, k\u0101 nor\u0101d\u012bts rekl\u0101m\u0101, un ir piem\u0113rotas lieto\u0161anai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7. Izmanto jaun\u0101k\u0101s tehnolo\u0123ijas<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">At\u0161\u0137ir\u012bb\u0101 no vec\u0101kiem mode\u013ciem nesen izstr\u0101d\u0101tie ciet\u012bbas m\u0113r\u012bt\u0101ji, piem\u0113ram, V\u0101cij\u0101 ra\u017eotais \u201eGelomat\u201c, apvieno izcilu kvalit\u0101ti, efektivit\u0101ti un jaun\u0101k\u0101s patent\u0113t\u0101s tehnolo\u0123ijas. \u201eGelomat\u201c var izmantot k\u0101 ga\u013cas ciet\u012bbas m\u0113r\u012bt\u0101ju, kr\u0113juma ciet\u012bbas m\u0113r\u012bt\u0101ju, sviesta ciet\u012bbas m\u0113r\u012bt\u0101ju un cit\u0101m vajadz\u012bb\u0101m. Tas liecina par to, cik nopietni ra\u017eot\u0101ji izturas pret savu pien\u0101kumu nodro\u0161in\u0101t klientiem vislab\u0101kos produktus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uz\u0146\u0113mums \u201eGelomat\u201c izmanto prec\u012bzas digit\u0101l\u0101s m\u0113r\u012b\u0161anas sist\u0113mas un unik\u0101lu konstrukciju, lai atvieglotu procesu, neietekm\u0113jot testu rezult\u0101tus. \u017delat\u012bna kapsulu ciet\u012bba tiek autom\u0101tiski m\u0113r\u012bta, izmantojot sist\u0113mu, kas nodro\u0161ina optim\u0101lu atk\u0101rtojam\u012bbu un precizit\u0101ti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gelomat sist\u0113ma ir viena no nedaudzaj\u0101m sist\u0113m\u0101m pasaul\u0113, kas sp\u0113j nodro\u0161in\u0101t maksim\u0101lu elast\u012bgumu, izstr\u0101d\u0101jot individu\u0101lus stiprin\u0101jumus un atbalstus, lai apmierin\u0101tu klientu unik\u0101l\u0101s test\u0113\u0161anas pras\u012bbas. Tas padara Gelomat sist\u0113mu par unik\u0101lu risin\u0101jumu kopumu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>8. Tabletes ciet\u012bbas viegl\u0101ka noteik\u0161ana<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ciet\u0101s tabletes ir visbie\u017e\u0101k izmantot\u0101 z\u0101\u013cu devu forma. Tabletes ciet\u012bba ir viens no produkta kvalit\u0101tes kontroles specifik\u0101cij\u0101m un produkta izstr\u0101des krit\u0113rijiem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tabletes ciet\u012bbas test\u0113t\u0101jam ir j\u0101ieg\u016bst kvalitat\u012bvi rezult\u0101ti, kas liecina, ka neviena tablete nav ne p\u0101r\u0101k m\u012bksta, ne p\u0101r\u0101k cieta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ja tablete ir p\u0101r\u0101k m\u012bksta, t\u0101 var s\u0101kt \u0101tri izjukt, tikl\u012bdz pacients to norij. Tas var notikt v\u0101jas saist\u012bbas d\u0113\u013c. Turkl\u0101t p\u0101r\u0101k m\u012bksta tablete var sal\u016bzt vai sadrupas iepako\u0161anas, apvalko\u0161anas un citu ra\u017eo\u0161anas posmu laik\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No otras puses, ja tablete ir p\u0101r\u0101k cieta, tas var izrais\u012bt nepareizu devas iz\u0161\u0137\u012b\u0161anu p\u0113c tam, kad pacients to ir norijis. Probl\u0113mas c\u0113lonis var b\u016bt p\u0101r\u0101k sp\u0113c\u012bga saist\u012b\u0161an\u0101s starp pal\u012bgviel\u0101m un akt\u012bvaj\u0101m viel\u0101m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tabletes ciet\u012bbas p\u0101rbaude \u013caus noteikt, vai produkts ir der\u012bgs lieto\u0161anai un atbilst augst\u0101kajiem kvalit\u0101tes standartiem. Tom\u0113r tam j\u0101piem\u012bt ar\u012b vis\u0101m meh\u0101niskaj\u0101m \u012bpa\u0161\u012bb\u0101m, kas nepiecie\u0161amas optim\u0101lu rezult\u0101tu sasnieg\u0161anai. Ra\u017eot\u0101jam ir j\u0101p\u0101rliecin\u0101s, ka produkt\u0101 ir izmantots pareizs sast\u0101vda\u013cu sast\u0101vs, akt\u012bvo sast\u0101vda\u013cu veids un izmantotie saistvielas. \u0160ie faktori ir j\u0101kontrol\u0113 jau ra\u017eo\u0161anas proces\u0101, lai palielin\u0101tu iesp\u0113ju, ka gal\u012bg\u0101s tabletes iztur\u0113s ciet\u012bbas testu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>9. Nodro\u0161ina stingru atbilst\u012bbu jaun\u0101kajiem nozares standartiem<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Run\u0101jot par \u017eelat\u012bna kapsul\u0101m, gatavajiem produktiem ir j\u0101veic p\u0101rbaudes. Varb\u016bt jau esat dzird\u0113ju\u0161i par t\u0101diem terminiem k\u0101 kapsulu ciet\u012bbas m\u0113r\u012bt\u0101js vai \u017eelat\u012bna ciet\u012bbas m\u0113r\u012bt\u0101js.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kapsulas tiek pak\u013cautas virknei testu, lai nodro\u0161in\u0101tu atbilst\u012bbu normat\u012bvaj\u0101m pras\u012bb\u0101m un farmakopejas standartiem. Testu rezult\u0101ti noteiks, vai partija ir atbilsto\u0161a paredz\u0113tajam lietojumam un lai\u0161anai tirg\u016b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>10. Ieg\u016bt sabiedr\u012bbas uztic\u012bbu<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u0101p\u0113c \u0161ie testi ir nepiecie\u0161ami? \u0160o produktu pan\u0101kumi liel\u0101 m\u0113r\u0101 ir atkar\u012bgi no pat\u0113r\u0113t\u0101ju uztic\u012bbas. Nopl\u016bdu\u0161as kapsulas var negat\u012bvi ietekm\u0113t cilv\u0113ku attieksmi pret \u0161o produktu un visiem p\u0101r\u0113jiem t\u0101 pa\u0161a ra\u017eot\u0101ja produktiem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u0101p\u0113c ir \u013coti svar\u012bgi, lai boj\u0101t\u0101s kapsulas nenon\u0101ktu tirg\u016b; t\u0101d\u0113\u013c ra\u017eot\u0101ji izmanto m\u012bksto kapsulu ciet\u012bbas testeri, lai nodro\u0161in\u0101tu, ka visi produkti, kurus tie laida tirg\u016b, neapdraud\u0113tu vi\u0146u reput\u0101ciju.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nobeiguma domas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">J\u016bsu kvalit\u0101tes kontroles noda\u013ca g\u016bs daudz priek\u0161roc\u012bbu, izmantojot kapsulu ciet\u012bbas testeri, ta\u010du jums ir j\u0101pa\u013caujas uz p\u0101rbaud\u012bt\u0101m un kvalitat\u012bv\u0101m ier\u012bc\u0113m. Tie\u0161i ar to ir paz\u012bstams uz\u0146\u0113mums \u201eBareiss\u201c, kas kop\u0161 dibin\u0101\u0161anas 1954. gad\u0101 ir velt\u012bjis sevi tehnolo\u0123ij\u0101m un inov\u0101cij\u0101m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Test\u0113\u0161ana: cik herm\u0113tiskas ir j\u016bsu kapsulas?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">No g\u0113la kapsul\u0101m izpl\u016bsto\u0161ais saturs mazina pat\u0113r\u0113t\u0101ju uztic\u012bbu produktam un ra\u017eot\u0101jam. Lai nov\u0113rstu boj\u0101tu kapsulu non\u0101k\u0161anu tirg\u016b, ir j\u0101izstr\u0101d\u0101 testi to identific\u0113\u0161anai. Viena no pieej\u0101m ir izmantot tekst\u016bras analizatoru, kas uz g\u0113la kapsul\u0101m iedarbojas ar stiepes un spiedes sp\u0113kiem, lai p\u0101rliecin\u0101tos, ka to sien\u0101m ir pietiekama iztur\u012bba, lai iztur\u0113tu \u0101r\u0113jos sp\u0113kus ra\u017eo\u0161anas, uzglab\u0101\u0161anas, iepako\u0161anas un transport\u0113\u0161anas laik\u0101.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Izstr\u0101d\u0101jot kapsulu z\u0101les, ir svar\u012bgi zin\u0101t, vai pild\u012bjums \u2014 gan akt\u012bv\u0101 viela, gan pal\u012bgvielas \u2014 ir sader\u012bgs ar \u017eelat\u012bna apvalku, kas sast\u0101v no \u016bden\u012b \u0161\u0137\u012bsto\u0161u prote\u012bnu mais\u012bjuma. Jebkuras vielas, kas satur aldeh\u012bdus (piem\u0113ram, formaldeh\u012bdu), var izrais\u012bt \u017eelat\u012bna \u0161\u0137\u0113rssai\u0161u veido\u0161anos, ar liz\u012bna atliekviel\u0101m \u017eelat\u012bna pavedienos un starp tiem. Tas padara \u017eelat\u012bna strukt\u016bru ciet\u0101ku un pal\u0113nina t\u0101s sadal\u012b\u0161anos. Ir svar\u012bgi ar\u012b uzzin\u0101t, k\u0101 pild\u012bjums mijiedarbosies ar \u017eelat\u012bna apvalka \u016bdens saturu. Piem\u0113ram, \u013coti higroskopisks pild\u012bjums var absorb\u0113t \u016bdeni no apvalka, padarot to trauslu un vair\u0101k pak\u013cautu l\u016b\u0161anai.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tekst\u016bras analizators nosaka cietu materi\u0101lu meh\u0101nisko iztur\u012bbu&nbsp;<a href=\"https:\/\/www.materialstests.com\/lv\/resources\/about-gelatin-capsules-and-the-importance-of-its-hardness-testing.html\/\">\u017eelat\u012bna kapsula<\/a>&nbsp;apvalkus, lai var\u0113tu nov\u0113rt\u0113t, k\u0101 da\u017e\u0101di pild\u012bjumi ietekm\u0113 kapsulas iztur\u012bbu un stabilit\u0101ti. Tas tiek pan\u0101kts, piem\u0113rojot paraugam kontrol\u0113tus meh\u0101niskos apst\u0101k\u013cus un p\u0113c tam kvantitat\u012bvi nov\u0113rt\u0113jot ieg\u016bto rezult\u0101tu. Paraugu reakcija ir tie\u0161i saist\u012bta ar to fizik\u0101laj\u0101m \u012bpa\u0161\u012bb\u0101m un sniedz re\u0101lu priek\u0161statu par to iek\u0161\u0113jo strukt\u016bru.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tekst\u016bras analizators darbojas stiepes vai spiedes re\u017e\u012bm\u0101 un sp\u0113j veikt cikliskus testus, kuru laik\u0101 tas vair\u0101kk\u0101rt\u012bgi rada deform\u0101ciju. Ier\u012bce m\u0113ra slodzes sp\u0113ku, parasti gramos, un saista to ar kapsulas deform\u0101ciju. Rezult\u0101ti tiek att\u0113loti grafisk\u0101 form\u0101t\u0101 k\u0101 sp\u0113ka atkar\u012bba no laika vai k\u0101 sp\u0113ka atkar\u012bba no att\u0101luma. Deform\u0101cijas laik\u0101 var darboties da\u017e\u0101di tekst\u016bras parametri, un tos var nov\u0113rot sp\u0113ka-deform\u0101cijas l\u012bkn\u0113, ko \u0123ener\u0113 tests. P\u0113d\u0113jo 40 gadu laik\u0101 daudzos akad\u0113miskajos p\u0113t\u012bjumos, kuros izmantota tekst\u016bras anal\u012bze, \u0161\u012bs \u012bpa\u0161\u012bbas ir saist\u012btas ar to sensoraj\u0101m \u012bpa\u0161\u012bb\u0101m.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kapsulas cilpas stiepes tests&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u012bkojot tekst\u016bras analizatoru ar kapsulas cilpas stiepes stiprin\u0101jumu, k\u0101 par\u0101d\u012bts aug\u0161\u0113j\u0101 att\u0113l\u0101, var sal\u012bdzin\u0101t tuk\u0161o kapsulu apvalku meh\u0101nisko iztur\u012bbu. Praks\u0113 stiprin\u0101juma divas pl\u0101nas stieples ievieto vien\u0101 kapsulas apvalka pus\u0113, parasti v\u0101ci\u0146\u0101. Tad apak\u0161\u0113j\u0101 stie\u0146a gals tiek nostiprin\u0101ts pie instrumenta pamatnes, bet aug\u0161\u0113j\u0101 stie\u0146a gals tiek piestiprin\u0101ts pie analizatora piedzi\u0146as meh\u0101nisma. Piedzi\u0146a pac\u0113la aug\u0161\u0113jo stieni ar nemain\u012bgu \u0101trumu, parasti no 0,1 l\u012bdz 1,0 milimetru sekund\u0113, stiepjot kapsulas apvalku noteikt\u0101 att\u0101lum\u0101. Da\u017eos gad\u012bjumos tests izraisa apvalka pl\u012bsumu.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Saspie\u0161anas tests&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tekst\u016bras analizators var noteikt ar\u012b m\u012bksto \u017eelat\u012bna kapsulu (softgel) spiedes iztur\u012bbu, izmantojot divas p\u0101rbaudes metodes. Pirmaj\u0101 tiek izmantota 36 milimetru diametra zonde, lai noteiktu bl\u012bv\u0113juma iztur\u012bbu (2. att\u0113ls), bet otraj\u0101 \u2014 caurumo\u0161anas test\u0101 \u2014 2 milimetru cilindriska zonde nosaka softgel pl\u012b\u0161anas punktu. Abas p\u0101rbaudes ne tikai identific\u0113 softgel iztur\u012bbas v\u0101j\u0101s vietas, bet ar\u012b simul\u0113 apst\u0101k\u013cus, k\u0101dos softgel var\u0113tu p\u0101rpl\u012bst iepako\u0161anas vai transport\u0113\u0161anas laik\u0101. M\u0113rot jebkuras kapsulas \u2014 cietas vai m\u012bkstas \u2014 savienojuma iztur\u012bbu, izmantojiet saspie\u0161anas zondi, kuras diametrs ir liel\u0101ks par kapsulu, un novietojiet savienojumu perpendikul\u0101ri gan zondei, gan pieliktajai sp\u0113kai. Skatiet fotoatt\u0113lu zem\u0101k. 2. tabul\u0101 ir uzskait\u012bti m\u012bksto kapsulu ciet\u012bbas testu rezult\u0101ti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G\u0113la iztur\u012bbas tests&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u017delat\u012bnu izmanto daudz\u0101s nozar\u0113s un da\u017e\u0101dos pielietojumos, un gandr\u012bz visos gad\u012bjumos gan \u017eelat\u012bna ra\u017eot\u0101js, gan gala lietot\u0101js m\u0113ra \u017eelejas stingr\u012bbu, kas liecina par t\u0101s efektivit\u0101ti. \u017delejas stingr\u012bba liel\u0101 m\u0113r\u0101 ir atkar\u012bga no bl\u016bma stipruma. N\u0101kamaj\u0101 lap\u0101 redzamaj\u0101 att\u0113l\u0101 ir att\u0113lots bl\u016bma trauks ar \u017eelat\u012bna paraugu, kas ir gatavs test\u0113\u0161anai.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Izmantojot tekst\u016bras analizatoru, kas apr\u012bkots ar standarta deform\u0101cijas zondi, deform\u0101cijas pudel\u0113m un \u017eelat\u012bna vannu, var veikt vienk\u0101r\u0161us testus un \u0101tri un prec\u012bzi noteikt \u017eelejas stingr\u012bbu, ko m\u0113ra k\u0101 sp\u0113ku, kas nepiecie\u0161ams, lai deform\u0113tu \u017eeleju noteikt\u0101 att\u0101lum\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tekst\u016bras analizatoru var izmantot, lai noteiktu \u017eelat\u012bna g\u0113la iztur\u012bbu saska\u0146\u0101 ar Lielbrit\u0101nijas standarta metodi, \u201c\u017delat\u012bna paraugu \u0146em\u0161ana un test\u0113\u0161ana\u201d (BS757: 1975), vai izmantojot Amerikas \u017delat\u012bna ra\u017eot\u0101ju instit\u016bta (GMIA) vai Eiropas \u017delat\u012bna ra\u017eot\u0101ju standartus, kuri 1998. gad\u0101 pie\u0146\u0113ma GMIA standartu. Rezult\u0101t\u0101 visas pa\u0161reiz\u0113j\u0101s metodes nosaka izmantot cilindrisku zondi ar plakanu virsmu, kuras diametrs ir 12,7 milimetri un kurai ir asa mala. (Eiropas metode noteica zondi ar nelielu r\u0101diusu, nevis asu malu.)&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160o metodi var izmantot ar\u012b ar citiem kapsulu apvalka materi\u0101liem, piem\u0113ram, HPMC. Test\u0113jot paraugus ar augstu meh\u0101nisko iztur\u012bbu, apsveriet iesp\u0113ju izmantot slodzes dev\u0113ju ar liel\u0101ku jaudu. T\u0101pat ar\u012b paraugiem ar augstu elast\u012bbas pak\u0101pi var b\u016bt nepiecie\u0161ams pagarin\u0101t testa att\u0101lumu.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Secin\u0101jums&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nosakot galven\u0101s \u012bpa\u0161\u012bbas, kas ietekm\u0113 gatavo produktu, tekst\u016bras anal\u012bze ir neat\u0146emama p\u0113tniec\u012bbas un att\u012bst\u012bbas, ra\u017eo\u0161anas procesu optimiz\u0101cijas un ra\u017eo\u0161anas sast\u0101vda\u013ca. T\u0101 pal\u012bdz pie\u0146emt pareizos l\u0113mumus att\u012bst\u012bbas s\u0101kumposmos un nodro\u0161ina procesa kontroli ra\u017eo\u0161anas l\u012bnij\u0101. Nosakot pie\u0146emam\u012bbas aug\u0161\u0113j\u0101s un apak\u0161\u0113j\u0101s robe\u017eas, tekst\u016bras anal\u012bze \u013cauj optimiz\u0113t ra\u017eo\u0161anu un samazin\u0101t atkritumu daudzumu.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Izaicin\u0101jumi, kas saist\u012bti ar iz\u0161\u0137\u012bdin\u0101\u0161anas meto\u017eu izstr\u0101di m\u012bkstaj\u0101m \u017eelat\u012bna kapsul\u0101m<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Noyes un Whitney 1897. gad\u0101 pirmo reizi dokument\u0113ja iz\u0161\u0137\u012bdin\u0101\u0161anas procesa p\u0113t\u012bjumus k\u0101 fizik\u0101l\u0101s \u0137\u012bmijas jomu, ko v\u0113l\u0101k p\u0101r\u0146\u0113ma farm\u0101cij\u0101, \u0146emot v\u0113r\u0101 t\u0101s noz\u012bmi z\u0101\u013cu ievad\u012b\u0161an\u0101 [74]. Cietu z\u0101\u013cu formu \u0161\u0137\u012bd\u012bba piesaist\u012bja uzman\u012bbu, jo 1950. gados tika atz\u012bta z\u0101\u013cu \u0161\u0137\u012bd\u012bbas noz\u012bme biolo\u0123iskaj\u0101 pieejam\u012bb\u0101, saprotot, ka tikai iz\u0161\u0137\u012bdu\u0161as z\u0101les var dif\u016bz\u0113t caur cilv\u0113ka \u0137ermeni [74,75,76,77,78]. Slikta z\u0101\u013cu \u0161\u0137\u012bd\u012bba un zems \u0161\u0137\u012bd\u012bbas \u0101trums potenci\u0101li var izrais\u012bt nepietiekamu z\u0101\u013cu pieejam\u012bbu darb\u012bbas viet\u0101 un t\u0101d\u0113j\u0101di terapijas neefektivit\u0101ti in vivo. Tas nav atkar\u012bgs no t\u0101, vai z\u0101les ir ide\u0101li piem\u0113rotas m\u0113r\u0137a vietai. B\u016bt\u012bb\u0101, ja z\u0101les ir p\u0101r\u0101k ne\u0161\u0137\u012bsto\u0161as, t\u0101s nekad nevar sasniegt m\u0113r\u0137a vietu, un t\u0101m neb\u016bs nek\u0101das terapeitiskas noz\u012bmes. Z\u0101\u013cu iz\u0161\u0137\u012bd\u012bbas raksturojums no konkr\u0113tas z\u0101\u013cu formas ir \u013coti svar\u012bgs, lai veiksm\u012bgi izstr\u0101d\u0101tu z\u0101\u013cu produktu. \u0160aj\u0101 sada\u013c\u0101 tiek apspriests pa\u0161reiz\u0113jais st\u0101voklis SGC iz\u0161\u0137\u012bd\u012bbas jom\u0101 un da\u017e\u0101di praktiski j\u0113dzieni par iz\u0161\u0137\u012bd\u012bbas meto\u017eu izstr\u0101di SGC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Iz\u0161\u0137\u012bd\u012bbas tests ir ofici\u0101ls tests, ko izmanto, lai nov\u0113rt\u0113tu z\u0101\u013cu vielas atbr\u012bvo\u0161an\u0101s \u0101trumu no z\u0101\u013cu formas iz\u0161\u0137\u012bd\u012bbas vid\u0113 vai \u0161\u0137\u012bdin\u0101t\u0101j\u0101 standartiz\u0113tos apst\u0101k\u013cos, kas attiecas uz \u0161\u0137idruma un cietvielas saskares virsmu, temperat\u016bru, mais\u012bt\u0101ja \u0101trumu vai \u0161\u0137\u012bdin\u0101t\u0101ja sast\u0101vu. Iz\u0161\u0137\u012bd\u012bbas test\u0113\u0161ana ir k\u013cuvusi svar\u012bga, nov\u0113rt\u0113jot in vitro akt\u012bv\u0101s farmaceitisk\u0101s vielas (API) atbr\u012bvo\u0161an\u0101s \u0101trumu un apjomu no da\u017e\u0101d\u0101m z\u0101\u013cu form\u0101m, tostarp SGC. Iz\u0161\u0137\u012bd\u012bbu var aprakst\u012bt k\u0101 procesu, kur\u0101 \u0161\u0137\u012bsto\u0161\u0101s vielas (piem\u0113ram, API) molekulas iz\u0161\u0137\u012bst \u0161\u0137\u012bdin\u0101t\u0101j\u0101, veidojot \u0161\u0137\u012bdumu. Z\u0101\u013cu formas in vivo efektivit\u0101te ir atkar\u012bga no t\u0101s sp\u0113jas atbr\u012bvot z\u0101les sist\u0113miskai absorbcijai. SGC \u0161\u0137\u012bd\u012bba noris tr\u012bs galvenajos posmos: pirmais ir \u017eelat\u012bna apvalka uzbrie\u0161ana un pl\u012b\u0161ana, tam seko pildvielas atbr\u012bvo\u0161an\u0101s un izklied\u0113\u0161an\u0101s, un visbeidzot \u2014 akt\u012bv\u0101s vielas(-u) \u0161\u0137\u012bd\u012bba \u0161\u0137\u012bd\u012bbas vid\u0113 ( ). \u0160ie procesi notiek sec\u012bgi, un t\u0101d\u0113j\u0101di l\u0113n\u0101kais posms nosaka SGC \u0161\u0137\u012bd\u012bbas \u0101trumu. \u0160aj\u0101 gad\u012bjum\u0101 l\u0113n\u0101kais posms nosaka z\u0101\u013cu absorbcijas kop\u0113jo \u0101trumu un pak\u0101pi. Tom\u0113r tas at\u0161\u0137iras atkar\u012bb\u0101 no z\u0101l\u0113m. V\u0101ji \u0161\u0137\u012bsto\u0161\u0101m z\u0101l\u0113m, \u012bpa\u0161i BCS II un IV, to \u0161\u0137\u012bd\u012bba b\u016bs absorbcijas procesa \u0101trumu ierobe\u017eojo\u0161ais posms. No otras puses, z\u0101l\u0113m ar augstu \u0161\u0137\u012bd\u012bbu to iz\u0161\u0137\u012b\u0161ana notiks \u0101tri, un absorbcijas \u0101trumu un pak\u0101pi var ietekm\u0113t citi faktori, piem\u0113ram, membr\u0101nas caurlaid\u012bba, fermentu no\u0101rd\u012b\u0161an\u0101s gremo\u0161anas trakt\u0101 vai pirm\u0101 loka metabolisms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u016btiska pras\u012bba z\u0101l\u0113m ir t\u0101, lai t\u0101s in vivo atbr\u012bvotu akt\u012bv\u0101s farmaceitisk\u0101s vielas (API) paredzam\u0101 \u0101trum\u0101 [9, 82, 83]. Z\u0101\u013cu atbr\u012bvo\u0161an\u0101s kin\u0113tika atbilst sist\u0113mas atbr\u012bvo\u0161an\u0101s meh\u0101nismam, piem\u0113ram, dif\u016bzijai caur inerto matricu, dif\u016bzijai caur g\u0113lu, osmotiskai atbr\u012bvo\u0161anai, jonu apmai\u0146ai vai pH jut\u012bg\u0101m pieg\u0101des sist\u0113m\u0101m. No da\u017e\u0101dajiem meh\u0101nismiem, kas saist\u012bti ar akt\u012bv\u0101s vielas atbr\u012bvo\u0161anu, dif\u016bzija ir galvenais atbr\u012bvo\u0161anas meh\u0101nisms, un t\u0101 notiek da\u017e\u0101d\u0101s pak\u0101p\u0113s katr\u0101 sist\u0113m\u0101. Fizik\u0101l\u0101s \u0137\u012bmijas \u0161\u0137\u012bsto\u0161o vielu atbr\u012bvo\u0161anas mode\u013ci par daudziem gadiem apsteidza z\u0101\u013cu pieg\u0101des sist\u0113mu att\u012bst\u012bbu [ 77 , 78 ]. 1961. gad\u0101 Higuchi ieviesa z\u0101\u013cu atbr\u012bvo\u0161an\u0101s matem\u0101tisko modeli dif\u016bzijas kontrol\u0113t\u0101m sist\u0113m\u0101m [ 84 ]. Autors analiz\u0113ja ziedes atbr\u012bvo\u0161an\u0101s kin\u0113tiku, pie\u0146emot, ka t\u0101 ir vienm\u0113r\u012bgi izklied\u0113ta un atbr\u012bvojas plakn\u0113j\u0101 matric\u0101 un vid\u0113. Saska\u0146\u0101 ar modeli atbr\u012bvo\u0161an\u0101s meh\u0101nisms ir proporcion\u0101ls laika kvadr\u0101tsaknei [85]. \u0160is modelis ir ieteicams atbr\u012bvo\u0161an\u0101s l\u012bknes s\u0101kotn\u0113jam posmam t\u0101 aptuven\u0101 rakstura d\u0113\u013c. 1969. gada beig\u0101s Wang public\u0113ja rakstu, kur\u0101 apsv\u0113ra divus neatkar\u012bgus transporta meh\u0101nismus \u2014 Ficka likumu un polim\u0113ru relaks\u0101ciju \u2014 attiec\u012bb\u0101 uz molekulu kust\u012bbu matric\u0101 [86]. Tad 1985. gad\u0101 Peppas ieviesa pusemp\u012brisku vien\u0101dojumu \u2014 potences likumu, lai visp\u0101rin\u0101t\u0101 veid\u0101 aprakst\u012btu z\u0101\u013cu atbr\u012bvo\u0161anos no polim\u0113ru ier\u012bc\u0113m [87, 88].<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u0113l viens j\u0113dziens, kas \u0161eit j\u0101ievie\u0161, ir z\u0101\u013cu atbr\u012bvo\u0161an\u0101s fenomens. Z\u0101\u013cu iz\u0161\u0137\u012bd\u012bbas \u0101trums un z\u0101\u013cu atbr\u012bvo\u0161an\u0101s \u0101trums ir diezgan at\u0161\u0137ir\u012bgi. Z\u0101\u013cu atbr\u012bvo\u0161an\u0101s ir process, kur\u0101 z\u0101\u013cu prepar\u0101t\u0101 eso\u0161\u0101s z\u0101les tiek atbr\u012bvotas iz\u0161\u0137\u012bd\u012bbas vid\u0113 vai absorbcijas viet\u0101, dif\u016bzijas vai z\u0101\u013cu prepar\u0101ta iz\u0161\u0137\u012bd\u012bbas rezult\u0101t\u0101. Atkar\u012bb\u0101 no akt\u012bv\u0101s farmaceitisk\u0101s vielas fizisk\u0101s formas z\u0101\u013cu prepar\u0101t\u0101, akt\u012bv\u0101s farmaceitisk\u0101s vielas atbr\u012bvo\u0161an\u0101s var b\u016bt l\u0113na vai t\u016bl\u012bt\u0113ja. K\u0101 aprakst\u012bts iepriek\u0161\u0113j\u0101 sada\u013c\u0101, iz\u0161\u0137\u012b\u0161ana ir process, kur\u0101 \u0161\u0137\u012bsto\u0161\u0101s vielas molekulas laika gait\u0101 iz\u0161\u0137\u012bst \u0161\u0137\u012bdin\u0101t\u0101j\u0101. No otras puses, termins \u201catbr\u012bvo\u0161an\u0101s\u201d visbie\u017e\u0101k attiecas uz daudz sare\u017e\u0123\u012bt\u0101ku par\u0101d\u012bbu. Atbr\u012bvo\u0161an\u0101s ietver kapsulas \u0161\u0137\u012bd\u012bbu k\u0101 vienu no vair\u0101kiem posmiem. Non\u0101kot saskar\u0113 ar \u016bdens vidi, \u016bdens iek\u013c\u016bst m\u012bkstaj\u0101 \u017eelat\u012bna apvalk\u0101 un vismaz da\u013c\u0113ji iz\u0161\u0137\u012bdina akt\u012bvo farmaceitisko vielu [ 81 ]. Tad iz\u0161\u0137\u012bdus\u012b akt\u012bv\u0101 farmaceitisk\u0101 viela dif\u016bzijas ce\u013c\u0101 izpl\u016bst caur kapsulas apvalku koncentr\u0101cijas gradientu d\u0113\u013c. Turkl\u0101t \u017eelat\u012bna apvalks var iev\u0113rojami uzbriest, tikl\u012bdz tiek sasniegts kritiskais \u016bdens saturs, kas izraisa apvalka pl\u012bsumu, kam seko dispersija un galu gal\u0101 iz\u0161\u0137\u012b\u0161ana atbr\u012bvo\u0161anas vid\u0113. T\u0101d\u0113j\u0101di akt\u012bv\u0101s farmaceitisk\u0101s vielas atbr\u012bvo\u0161anas proces\u0101 no SGC z\u0101l\u0113m ir iesaist\u012bti vair\u0101ki posmi, no kuriem tikai viens ir z\u0101\u013cu iz\u0161\u0137\u012b\u0161ana.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Z\u0101\u013cu prepar\u0101ta \u0161\u0137\u012bd\u012bbas \u0101trums katr\u0101 \u0161\u0137\u012bdin\u0101t\u0101j\u0101 tiek defin\u0113ts k\u0101 atsevi\u0161\u0137u z\u0101\u013cu molekulu p\u0101rneses \u0101trums no cietaj\u0101m da\u013ci\u0146\u0101m \u0161\u0137\u012bdum\u0101 k\u0101 atsevi\u0161\u0137\u0101m molekul\u0101m, un to var izteikt k\u0101 iz\u0161\u0137\u012bdu\u0161\u0101s akt\u012bv\u0101s vielas koncentr\u0101ciju noteikt\u0101 laika interv\u0101l\u0101. Iz\u0161\u0137\u012bd\u012bbas \u0101trums var at\u0161\u0137irties atkar\u012bb\u0101 no akt\u012bv\u0101s farmaceitisk\u0101s vielas formas, piem\u0113ram, amorf\u0101 forma parasti iz\u0161\u0137\u012bst \u0101tr\u0101k nek\u0101 krist\u0101lisk\u0101s formas [ 79 , 80 ].<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u0113l viena svar\u012bga termodinamisk\u0101 \u012bpa\u0161\u012bba, apsprie\u017eot \u0161\u0137\u012b\u0161anas procesus, ir \u0161\u0137\u012bd\u012bba, ko var izteikt vair\u0101kos veidos, tostarp, bet ne tikai, k\u0101 molarit\u0101ti, molalit\u0101ti, molu frakciju, molu attiec\u012bbu un da\u013cas uz miljonu. K\u0101 piem\u0113ru, run\u0101jot par z\u0101\u013cu molekulu, apl\u016bkosim p\u0101rm\u0113r\u012bgu cietvielas daudzumu, kas noteikt\u0101 temperat\u016br\u0101 un spiedien\u0101 tiek pak\u013cauts \u0161\u0137\u012bdin\u0101t\u0101ja f\u0101zei. L\u012bdzsvara st\u0101vokl\u012b z\u0101\u013cu molekulu skaits, kas non\u0101k \u0161\u0137\u012bdum\u0101, ir vien\u0101ds ar to z\u0101\u013cu molekulu skaitu, kas atk\u0101rtoti izgulsn\u0101s. \u0160\u0101dos apst\u0101k\u013cos \u0161\u0137\u012bdums ir pies\u0101tin\u0101ts ar z\u0101\u013cu molekul\u0101m, un iz\u0161\u0137\u012bdu\u0161o z\u0101\u013cu koncentr\u0101cija \u0161\u0101dos apst\u0101k\u013cos tiek defin\u0113ta k\u0101 \u201cz\u0101\u013cu l\u012bdzsvara \u0161\u0137\u012bd\u012bba\u201d (rakstur\u012bga konkr\u0113tajai temperat\u016brai un spiedienam) [ 89 ]. Ir svar\u012bgi nodro\u0161in\u0101t, ka ciet\u0101 f\u0101ze, kas ir kl\u0101t eksperimenta s\u0101kum\u0101, paliek nemain\u012bga p\u0113c termodinamisk\u0101 l\u012bdzsvara sasnieg\u0161anas jebkur\u0101 \u0161\u0137\u012bd\u012bbas eksperiment\u0101. Ir v\u0113rts piemin\u0113t, ka gad\u012bjumos, kad da\u013ci\u0146u izm\u0113rs, piedevu kl\u0101tb\u016btne vai pH maina z\u0101\u013cu dabisko \u0161\u0137\u012bd\u012bbu, to parasti nor\u0101da k\u0101 \u201c\u0161\u0137ietamo \u0161\u0137\u012bd\u012bbu\u201d, lai to at\u0161\u0137irtu no l\u012bdzsvara v\u0113rt\u012bbas. Lai izvair\u012btos no neatbilst\u012bb\u0101m \u0161\u0137\u012bd\u012bbas datu zi\u0146o\u0161an\u0101, ir j\u0101nor\u0101da to filtru izm\u0113rs, kurus izmanto iz\u0161\u0137\u012bdu\u0161o z\u0101\u013cu da\u013ci\u0146u atdal\u012b\u0161anai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tom\u0113r USP visp\u0101r\u012bgaj\u0101 noda\u013c\u0101 \u201dUztura bag\u0101tin\u0101t\u0101ju sadal\u012b\u0161an\u0101s un \u0161\u0137\u012bd\u012bba\u201c pl\u012b\u0161anas tests ir atz\u012bts par SGC efektivit\u0101tes p\u0101rbaudi, ja kapsulas saturs ir pusciets vai \u0161\u0137idrs [92]. P\u0101rspr\u0101g\u0161anas tests tiek veikts, izmantojot 2. apar\u0101tu, k\u0101 aprakst\u012bts visp\u0101r\u012bgaj\u0101 noda\u013c\u0101 \u201eIz\u0161\u0137\u012bdin\u0101\u0161ana\u201d, ar rot\u0101cijas \u0101trumu 50 apgr.\/min. 500 ml iegremd\u0113\u0161anas vid\u0113 15 min\u016b\u0161u garum\u0101. Saska\u0146\u0101 ar USP pras\u012bbas ir izpild\u012btas, ja visas test\u0113t\u0101s SGC p\u0101rspr\u0101gst ne ilg\u0101k k\u0101 15 min\u016bt\u0113s\u201d. Ja 1 vai 2 SGC p\u0101rpl\u012bst ilg\u0101k nek\u0101 15 min\u016bt\u0113s, bet ne ilg\u0101k k\u0101 30 min\u016bt\u0113s, testu atk\u0101rto ar 12 papildu SGC: ne vair\u0101k k\u0101 2 no kopum\u0101 18 p\u0101rbaud\u012btaj\u0101m kapsul\u0101m p\u0101rpl\u012bst ilg\u0101k nek\u0101 15, bet ne ilg\u0101k k\u0101 30 min\u016bt\u0113s. Attiec\u012bb\u0101 uz SGC, kas neatbilst iepriek\u0161 min\u0113tajiem pl\u012b\u0161anas testa pie\u0146emam\u012bbas krit\u0113rijiem, tests tiek atk\u0101rtots, pievienojot vid\u0113 papainu t\u0101d\u0101 daudzum\u0101, kas nodro\u0161ina aktivit\u0101ti ne vair\u0101k k\u0101 550 000 vien\u012bbu\/l vid\u0113, vai pievienojot bromelainu t\u0101d\u0101 daudzum\u0101, kas nodro\u0161ina aktivit\u0101ti ne vair\u0101k k\u0101 30 \u017eelat\u012bna sadal\u012b\u0161anas vien\u012bbu\/l vid\u0113 [ 92 ]. Almukainzi et al. [ 93 ] sal\u012bdzin\u0101ja amantad\u012bna, \u017een\u0161e\u0146a, lins\u0113klu e\u013c\u013cas, pseidoefedr\u012bna hidrohlor\u012bda un sojas e\u013c\u013cas SGC pl\u012b\u0161anas un sadal\u012b\u0161an\u0101s testus. Vi\u0146u dati liecin\u0101ja, ka ne pl\u012b\u0161anas tests, ne dezintegr\u0101cijas tests nebija p\u0101r\u0101ks par otru. Tom\u0113r pl\u012b\u0161anas tests sasniedza galapunktu \u0101tr\u0101k nek\u0101 dezintegr\u0101cijas tests. Cit\u0101 p\u0113t\u012bjum\u0101 Bachour et al. [ 94 ] nov\u0113rt\u0113ja pl\u012b\u0161anas testa piem\u0113rot\u012bbu stabilit\u0101tes p\u0113t\u012bjumiem ar SGC, kas satur e\u013c\u013cas b\u0101zes peror\u0101los multivitam\u012bnus. Vi\u0146u p\u0113t\u012bjums par\u0101d\u012bja, ka pl\u012b\u0161anas tests bija jut\u012bgs pret stabilit\u0101tes apst\u0101k\u013ciem un ka komerci\u0101lie z\u0101\u013cu produkti iztur\u0113ja pl\u012b\u0161anas testu. Tom\u0113r visi ilgtermi\u0146a stabilit\u0101tes paraugi neiztur\u0113ja pl\u012b\u0161anas testu, izmantojot 2. l\u012bme\u0146a apst\u0101k\u013cus. Tas nor\u0101da, ka pl\u012b\u0161anas tests var b\u016bt piem\u0113rots da\u017eu z\u0101\u013cu produktu darb\u012bbas nov\u0113rt\u0113\u0161anai, bet tas b\u016bs atkar\u012bgs no pildvielu \u012bpa\u0161\u012bb\u0101m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sadal\u012b\u0161an\u0101s tests tiek uzskat\u012bts par vienu no t\u016bl\u012bt\u0113jas darb\u012bbas z\u0101\u013cu formu efektivit\u0101tes testiem [90]. Saska\u0146\u0101 ar USP, sadal\u012b\u0161an\u0101s ir defin\u0113ta k\u0101 \u201cst\u0101voklis, kur\u0101 jebk\u0101di vien\u012bbas atliekas, iz\u0146emot ne\u0161\u0137\u012bsto\u0161a p\u0101rkl\u0101juma vai kapsulas apvalka fragmentus, kas paliku\u0161i uz testa apar\u0101ta sieta vai pielipu\u0161as pie diska apak\u0161\u0113j\u0101s virsmas, ja t\u0101ds tiek izmantots, ir m\u012bksta masa bez taust\u0101mi cieta kodola\u201d [ 91 ]. Sadal\u012b\u0161an\u0101s pras\u012bbas ir izpild\u012btas, ja visas test\u0113jam\u0101s vien\u012bbas ir piln\u012bb\u0101 sadal\u012bju\u0161\u0101s vai ja ne maz\u0101k k\u0101 16 no kopum\u0101 18 test\u0113taj\u0101m vien\u012bb\u0101m ir sadal\u012bju\u0161\u0101s iepriek\u0161 noteikt\u0101 laika period\u0101. Tas nenoz\u012bm\u0113 akt\u012bv\u0101s farmaceitisk\u0101s vielas vai z\u0101\u013cu piln\u012bgu iz\u0161\u0137\u012b\u0161anu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6.5. Praktiskie aspekti \u0161\u0137\u012bd\u012bbas noteik\u0161anas metodes izstr\u0101d\u0113<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Iz\u0161\u0137\u012bd\u012bbas test\u0113\u0161anu izmanto vis\u0101 z\u0101\u013cu izstr\u0101des proces\u0101 k\u0101 z\u0101\u013cu darb\u012bbas r\u0101d\u012bt\u0101ju. Formul\u0101cijas izstr\u0101des laik\u0101 iz\u0161\u0137\u012bd\u012bbas test\u0113\u0161anu izmanto, lai simul\u0113t\u0101 vid\u0113 pier\u0101d\u012btu z\u0101\u013cu formas atbr\u012bvo\u0161anos un vienveid\u012bbu. Kad z\u0101\u013cu iedarb\u012bba ir noteikta, \u0161o inform\u0101ciju periodiski izmanto stabilit\u0101tes p\u0101rbaud\u0113s, lai noteiktu, vai z\u0101\u013cu \u012bpa\u0161\u012bbas main\u0101s t\u0101d\u0101 veid\u0101, ka z\u0101les turpina vai p\u0101rtrauc darboties atbilsto\u0161i pras\u012bb\u0101m. Bie\u017ei z\u0101\u013cu iedarb\u012bba \u0161\u0137\u012bd\u012bbas testos atspogu\u013co fizik\u0101lo uzved\u012bbu, ta\u010du tas ne vienm\u0113r nor\u0101da uz iedarb\u012bbu in vivo. T\u0101p\u0113c korel\u0101ciju starp iz\u0161\u0137\u012bd\u012bbas un farmakokin\u0113tiskajiem datiem var izmantot, lai pier\u0101d\u012btu, vai iz\u0161\u0137\u012bd\u012bbas tests sp\u0113j prognoz\u0113t z\u0101\u013cu efektivit\u0101ti. To sauc par in vitro\u2013in vivo korel\u0101cijas (IVIVC) noteik\u0161anu [95].<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160\u012bs sada\u013cas m\u0113r\u0137is ir sniegt p\u0101rskatu par praktiskajiem principiem, kas j\u0101iev\u0113ro, izstr\u0101d\u0101jot SGC iz\u0161\u0137\u012bd\u012bbas testu metodes. Ir svar\u012bgi saprast, ka produkta iz\u0161\u0137\u012bd\u012bbai ir nepiecie\u0161ams, lai notiktu virkne fizik\u0101lu p\u0101rmai\u0146u. At\u0161\u0137ir\u012bb\u0101 no cit\u0101m tipisk\u0101m cietaj\u0101m z\u0101\u013cu form\u0101m, SGC vispirms ir j\u0101sasniedz punkts, kur\u0101 \u017eelat\u012bna integrit\u0101te tiek trauc\u0113ta un \u0101r\u0113j\u0101 apvalka pl\u012bst, lai \u013cautu atbr\u012bvoties pildvielai. P\u0113c tam pildvielas komponentiem ir j\u0101izklied\u0113jas vid\u0113, lai \u013cautu akt\u012bvaj\u0101m sast\u0101vda\u013c\u0101m vai nu iek\u013c\u016bt \u0161\u0137\u012bdum\u0101, vai vienm\u0113r\u012bgi izklied\u0113ties vis\u0101 vid\u0113 ( ). Izaicin\u0101jums ir tas, ka kapsulas apvalks ir \u013coti jut\u012bgs pret apk\u0101rt\u0113jo vidi un var main\u012bties attiec\u012bb\u0101 uz ciet\u012bbu, \u0161\u0137\u0113rssai\u0161u veido\u0161anos un \u0161uves integrit\u0101ti, kas visi var ietekm\u0113t uztveram\u0101s iz\u0161\u0137\u012b\u0161anas izmai\u0146as, lai gan faktiski t\u0101s ir izmai\u0146as p\u0101rpl\u012b\u0161anas laik\u0101. T\u0101p\u0113c ir b\u016btiski izstr\u0101d\u0101t \u0161\u0137\u012bd\u012bbas strat\u0113\u0123iju, kas \u0146emtu v\u0113r\u0101 gan kapsulas apvalka integrit\u0101tes at\u0161\u0137ir\u012bbas, gan pildvielas izmai\u0146as.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Iz\u0161\u0137\u012bd\u012bbas meto\u017eu izstr\u0101de ir darbietilp\u012bgs process pat tad, ja tiek iev\u0113rota r\u016bp\u012bga tehnika un prakse. Ir svar\u012bgi velt\u012bt laiku t\u0101das proced\u016bras izstr\u0101dei, kuru var efekt\u012bvi veikt ikdien\u0101 un dro\u0161i atk\u0101rtot. Farmakopejas prasa veikt iz\u0161\u0137\u012bd\u012bbas testus, lai noteiktu z\u0101\u013cu atbr\u012bvo\u0161anos no z\u0101\u013cu formas vid\u0113 ar pH no 1,2 l\u012bdz 7,4. Piem\u0113ram, USP [96] paredz divpak\u0101pju iz\u0161\u0137\u012bdin\u0101\u0161anas metodi enteriski p\u0101rkl\u0101t\u0101m ciet\u0101m peror\u0101l\u0101m z\u0101\u013cu form\u0101m, kas par\u0101da p\u0101rkl\u0101juma integrit\u0101ti sk\u0101b\u0101 vid\u0113, parasti 0,1 N HCl, kam seko iedarb\u012bba neitr\u0101l\u0101 pH vid\u0113, v\u0113lams ar fosf\u0101ta buferu, kur iz\u0161\u0137\u012bdin\u0101\u0161anas metodes pirmais posms sniedz inform\u0101ciju par apvalka kvalit\u0101ti un iesp\u0113jam\u012bbu, ka apvalks var\u0113tu boj\u0101ties. Amerikas Savienoto Valstu Farmakopeja (USP) un ASV P\u0101rtikas un z\u0101\u013cu p\u0101rvalde (FDA) sniedz vadl\u012bnijas par \u0161\u0137\u012bd\u012bbas proced\u016bru izstr\u0101di un valid\u0101ciju [96,97]. Liel\u0101k\u0101 da\u013ca no \u0161\u012bm vadl\u012bnij\u0101m attiecas uz ciet\u0101m peror\u0101l\u0101m z\u0101\u013cu form\u0101m, piem\u0113ram, tablet\u0113m un cietaj\u0101m \u017eelat\u012bna kapsul\u0101m; tom\u0113r \u0161\u012bs metodes nevar attiecin\u0101t uz SGC bez atbilsto\u0161a nov\u0113rt\u0113juma. Iz\u0161\u0137\u012bdin\u0101\u0161anas metodes izv\u0113le j\u0101pamato ar z\u0101\u013cu formu un SGC pild\u012bjuma \u012bpa\u0161\u012bb\u0101m. att\u0113l\u0101 par\u0101d\u012bts izplat\u012btais USP iz\u0161\u0137\u012bdin\u0101\u0161anas apar\u0101ts, ko izmanto iz\u0161\u0137\u012bdin\u0101\u0161anas test\u0113\u0161an\u0101.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lai izstr\u0101d\u0101tu selekt\u012bvu SGC \u0161\u0137\u012bd\u012bbas testu, ir nepiecie\u0161ams \u0146emt v\u0113r\u0101 \u012bpa\u0161us apsv\u0113rumus un p\u0101rzin\u0101t \u017eelat\u012bna un pildvielas \u012bpa\u0161\u012bbas, k\u0101 ar\u012b faktorus, kas tos ietekm\u0113. SGC \u0161\u0137\u012bd\u012bbas \u012bpa\u0161\u012bbas ietekm\u0113 vair\u0101ki faktori, kas savuk\u0101rt ietekm\u0113 \u0161\u0137\u012bd\u012bbas testu proced\u016bru izstr\u0101di. \u0160ie faktori ietver \u017eelat\u012bna apvalka fizik\u0101l\u0101s \u012bpa\u0161\u012bbas, pildvielas fizik\u0101l\u0101s un \u0137\u012bmisk\u0101s \u012bpa\u0161\u012bbas, \u0137\u012bmisko mijiedarb\u012bbu starp \u017eelat\u012bna apvalku un pildvielas sast\u0101vda\u013c\u0101m, k\u0101 ar\u012b mitruma apmai\u0146u starp apvalku un pildvielu. Jo \u012bpa\u0161i mitruma apmai\u0146a var potenci\u0101li izrais\u012bt \u017eelat\u012bna apvalka trauslumu, bet \u0137\u012bmisk\u0101 mijiedarb\u012bba starp apvalku un pildvielu var izrais\u012bt \u017eelat\u012bna \u0161\u0137\u0113rssai\u0161u veido\u0161anos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Divi galvenie apsv\u0113rumi \u0161\u0137\u012bd\u012bbas meto\u017eu izstr\u0101d\u0113 un att\u012bst\u012bb\u0101 ir akt\u012bv\u0101s vielas \u0161\u0137\u012bd\u012bba un SGC \u0161\u0137\u012bduma stabilit\u0101te. Lai noteiktu piem\u0113rotu vidi, ir j\u0101izv\u0113rt\u0113 vair\u0101kas \u0161\u0137\u012bd\u012bbas vides, lai atrastu to, kas nodro\u0161ina atbilsto\u0161us \u201esink\u201c apst\u0101k\u013cus. Sink apst\u0101k\u013cus var defin\u0113t k\u0101 vides tilpumu, kas ir vismaz tr\u012bs reizes liel\u0101ks par API pies\u0101tin\u0101to \u0161\u0137\u012bd\u012bbu, ar vismaz\u0101ko nor\u0101d\u012bt\u0101 virsmakt\u012bv\u0101 vielas daudzumu. \u0160ie p\u0113t\u012bjumi \u013cauj optimiz\u0113t un nov\u0113rot virsmakt\u012bv\u0101s vielas daudzumu, kas nepiecie\u0161ams, lai \u0161\u0137\u012bdin\u0101tu pildmateri\u0101lu laik\u0101, kas ir atbilsto\u0161s iz\u0161\u0137\u012bd\u012bbas testam. Ir sapr\u0101t\u012bg\u0101k, ka iz\u0161\u0137\u012bd\u012bbas rezult\u0101ts atspogu\u013co API \u012bpa\u0161\u012bbas sink apst\u0101k\u013cos; tom\u0113r vid\u0113, kas nenodro\u0161ina sink apst\u0101k\u013cus, var b\u016bt pie\u0146emama USP, ja tas ir atbilsto\u0161i pamatots. T\u0101pat, izv\u0113loties vidi, ir j\u0101nov\u0113rt\u0113 un j\u0101pamato ar\u012b piedevu, piem\u0113ram, sk\u0101bes un s\u0101ls koncentr\u0101cijas, buferu pretjonu un l\u012bdz\u0161\u0137\u012bdin\u0101t\u0101ju, k\u0101 ar\u012b fermentu veidu un to aktivit\u0101tes ietekme, ja t\u0101s tiek izmantotas. API \u0161\u0137\u012bd\u012bbas uzlabo\u0161ana ir atkar\u012bga no da\u017e\u0101diem faktoriem, tostarp virsmas akt\u012bv\u0101s vielas un pildvielas \u012bpa\u0161\u012bb\u0101m, temperat\u016bras, pH un jonu stipruma. Pirms \u0161\u0137\u012bd\u012bbas eksperimenta veik\u0161anas ir j\u0101izprot \u0161\u012b saist\u012bba da\u017e\u0101d\u0101m virsmas akt\u012bvaj\u0101m viel\u0101m un savienojumiem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tipiski \u0161\u0137\u012bd\u012bbas p\u0113t\u012bjumu \u0161\u0137\u012bdumi ir: at\u0161\u0137aid\u012bta s\u0101lssk\u0101be (0,1 N), buferi fiziolo\u0123iskaj\u0101 pH diapazon\u0101 no 1 l\u012bdz 7,5 (t. i., fosf\u0101ta, acet\u0101ta vai citr\u0101ta buferi), simul\u0113ts ku\u0146\u0123a vai zarnu \u0161\u0137idrums (ar vai bez fermentiem), \u016bdeni un virsmas akt\u012bv\u0101s vielas, piem\u0113ram, Tween, Brij 35, Triton, polisorb\u0101tu 80, cetiltrimetilamonija brom\u012bdu (CTAB), n\u0101trija laurilsulf\u0101tu (SLS) un \u017eults s\u0101\u013cus [100]. Da\u017ei SGC prepar\u0101ti var satur\u0113t matricu vai akt\u012bvo farmaceitisko vielu (API), kas nav \u0161\u0137\u012bsto\u0161a \u016bden\u012b vai sk\u0101b\u0101 vid\u0113 un t\u0101d\u0113j\u0101di neatbilst iz\u0161\u0137\u012bd\u012bbas nosac\u012bjumiem \u016bdens \u0161\u0137\u012bdum\u0101. \u0160\u0101dos gad\u012bjumos iz\u0161\u0137\u012bd\u012bbas vid\u0113 var pievienot virsmas akt\u012bv\u0101s vielas ar pamatotu koncentr\u0101ciju. Virsmakt\u012bv\u0101s vielas izv\u0113le un t\u0101s koncentr\u0101cija saist\u012bb\u0101 ar API \u0161\u0137\u012bd\u012bbu un fizik\u0101lo stabilit\u0101ti ir \u013coti svar\u012bga, un t\u0101 ir j\u0101optimiz\u0113, j\u0101izprot un j\u0101pamato. Virsmakt\u012bv\u0101s vielas pievieno\u0161anai j\u0101atspogu\u013co izmai\u0146as prepar\u0101t\u0101 un mijiedarb\u012bba starp pildvielu komponentiem, un t\u0101 var sniegt ieskatu SGC in vivo uzved\u012bb\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Virsmakt\u012bv\u0101s vielas ietekm\u0113 \u0161\u0137\u012bd\u012bbu, aizst\u0101jot \u016bdens molekulas uz da\u013ci\u0146u virsmas, t\u0101d\u0113j\u0101di samazinot starpsl\u0101\u0146u spraigumu starp \u0161\u0137\u012bdumu un virsmu [101]. Amidon et al. ir ierosin\u0101ju\u0161i, ka virsmakt\u012bvo vielu saturo\u0161u vidu izmanto\u0161ana ir piem\u0113rota metode \u0161\u0101du z\u0101\u013cu \u0161\u0137\u012bdin\u0101\u0161anai, jo gremo\u0161anas trakta \u0161\u0137idrum\u0101 ir sastopamas da\u017e\u0101das virsmakt\u012bv\u0101s vielas, piem\u0113ram, \u017eults s\u0101\u013ci, lecit\u012bns, holester\u012bns un t\u0101 esteri [102]. Tie sast\u0101v no div\u0101m at\u0161\u0137ir\u012bg\u0101m sast\u0101vda\u013c\u0101m \u2014 hidrofil\u0101s un hidrofob\u0101s \u2014 un tiek iedal\u012bti \u010detr\u0101s grup\u0101s atkar\u012bb\u0101 no hidrofil\u0101s grupas l\u0101di\u0146a: anjoniskie (piem., n\u0101trija laurilsulf\u0101ts (SLS)), katjoniskie (piem., cetiltrimetilamonija brom\u012bds (CTAB)), zwitterjoniskie (piem., alkilbetains) [101] un nejoniskie (piem., Tween un Triton) [103,104]. Iz\u0161\u0137\u012bdin\u0101\u0161anas vides, kas satur katjoniskos virsmakt\u012bvos l\u012bdzek\u013cus, lab\u0101k sp\u0113j at\u0161\u0137irt sk\u0101bo pildvielu iz\u0161\u0137\u012bdin\u0101\u0161an\u0101s \u0101trumus, savuk\u0101rt anjoniskie virsmakt\u012bvie l\u012bdzek\u013ci lab\u0101k diferenc\u0113 b\u0101zisk\u0101s pildvielas. Ir zi\u0146ots, ka SLS ir visbie\u017e\u0101k izmantotais virsmakt\u012bv\u0101 viela \u0161\u0137\u012bd\u012bbas p\u0113t\u012bjumos [100]. Virsmakt\u012bvo vielu ietekme uz \u0161\u0137\u012bd\u012bbu un \u0161\u0137\u012bd\u012bbas \u0101trumu ir atkar\u012bga no virsmakt\u012bv\u0101s vielas koncentr\u0101cijas, micellas izm\u0113ra un t\u0101s stabilit\u0101tes, un visi \u0161ie faktori var b\u016bt saist\u012bti ar kritisko micellas koncentr\u0101ciju (CMC) [105]. CMC defin\u0113 k\u0101 virsmas akt\u012bv\u0101s vielas monom\u0113ra minim\u0101lo koncentr\u0101ciju, pie kuras tas agreg\u0113jas micel\u0113s, un t\u0101 ir rakstur\u012bga katrai virsmas akt\u012bvajai vielai. Zem\u0101ka CMC v\u0113rt\u012bba konkr\u0113tajai virsmas akt\u012bvajai vielai noz\u012bm\u0113, ka miceles ir stabil\u0101kas [106]. Turkl\u0101t zin\u0101\u0161anas par virsmakt\u012bv\u0101s vielas molekul\u0101ro strukt\u016bru var sniegt inform\u0101ciju par micellu izm\u0113ru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ir svar\u012bgi atz\u012bm\u0113t, ka virsmakt\u012bv\u0101s vielas pievieno\u0161ana \u0161\u0137\u012bd\u012bbas vid\u0113 da\u017ek\u0101rt var izrais\u012bt da\u017eu z\u0101\u013cu \u0161\u0137\u012bd\u012bbas \u0101truma samazin\u0101\u0161anos, k\u0101 ar\u012b atsevi\u0161\u0137os gad\u012bjumos var izkrop\u013cot z\u0101\u013cu p\u012b\u0137us augstas iz\u0161\u0137irtsp\u0113jas \u0161\u0137idruma hromatogr\u0101fijas (HPLC) anal\u012bzes laik\u0101 ( ). Iepriek\u0161\u0113j\u0101 p\u0113t\u012bjum\u0101 [63] tika konstat\u0113ts, ka t\u016bl\u012bt\u0113jas darb\u012bbas SGC, kas satur gr\u016bti \u0161\u0137\u012bsto\u0161u z\u0101\u013cu vielu loratad\u012bnu, SLS kl\u0101tb\u016btn\u0113 par\u0101d\u012bja p\u012b\u0137u izkrop\u013cojumus. Citas p\u0113tniec\u012bbas grupas ir zi\u0146oju\u0161as par l\u012bdz\u012bgu nov\u0113rojumu, ka zem\u0101k\u0101 pH l\u012bmen\u012b SLS kl\u0101tb\u016btn\u0113 samazin\u0101s \u017eelat\u012bna kapsulu \u0161\u0137\u012bd\u012bba [107,108].<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Simul\u0113to \u0161\u0137idrumu izstr\u0101de \u0161\u0137\u012bd\u012bbas test\u0113\u0161anai prasa izpratni par gremo\u0161anas trakta fiziolo\u0123iskajiem apst\u0101k\u013ciem. Ir svar\u012bgi atz\u012bm\u0113t, ka gremo\u0161anas trakts ir sare\u017e\u0123\u012bta sist\u0113ma un z\u0101\u013cu uzs\u016bk\u0161an\u0101s taj\u0101 ir atkar\u012bga no konkr\u0113t\u0101s zonas [109]. Vair\u0101ki fiziolo\u0123iskie faktori, kas var ietekm\u0113t \u0161\u0137\u012bd\u012bbas procesu in vivo, ietver: virsmas akt\u012bv\u0101s vielas ku\u0146\u0123a sul\u0101 un \u017eult\u012b, gremo\u0161anas trakta satura viskozit\u0101ti, gremo\u0161anas trakta kust\u012bbas mode\u013cus, gremo\u0161anas trakta sekr\u0113cijas, pH, buferkapacit\u0101ti un \u0161\u0137idrumu vai p\u0101rtikas vienlaic\u012bgu lieto\u0161anu [110]. Vertzoni et al. [111] izstr\u0101d\u0101ja simul\u0113tu ku\u0146\u0123a \u0161\u0137idrumu tuk\u0161\u0101 d\u016b\u0161\u0101 (FaSSGF), kas satur n\u0101trija taurohol\u0101tu, lecit\u012bnu un peps\u012bnu ar pH 6,5, lai nov\u0113rt\u0113tu t\u0101 noz\u012bmi lipof\u012blu savienojumu in vivo \u0161\u0137\u012bd\u012bbai. Autori secin\u0101ja, ka ku\u0146\u0123a satura simul\u0101cija ir b\u016btiska, lai nov\u0113rt\u0113tu lipof\u012blu v\u0101ju b\u0101zu absorbcijas profilu. P\u0101rskatu par izplat\u012btu in vitro biolo\u0123iski atbilsto\u0161u \u0161\u0137\u012bd\u012bbas vidi sast\u0101vu sniedz Klein [112] un Galia et al. [113]. T\u0101pat simul\u0113taj\u0101s \u0161\u0137\u012bd\u012bbas vid\u0113s j\u0101\u0146em v\u0113r\u0101 att\u012bst\u012bbas izmai\u0146as ku\u0146\u0123a-zarnu trakta \u0161\u0137idruma sast\u0101v\u0101, jo t\u0101s var izrais\u012bt z\u0101\u013cu \u0161\u0137\u012bd\u012bbas at\u0161\u0137ir\u012bbas starp b\u0113rniem un pieaugu\u0161ajiem. T\u0101p\u0113c, lai noteiktu biolo\u0123iski noz\u012bm\u012bgo \u0161\u0137\u012bd\u012bbas vidi sast\u0101vu pediatrij\u0101, ir \u013coti svar\u012bgi nov\u0113rt\u0113t vecumam rakstur\u012bg\u0101s izmai\u0146as gremo\u0161anas trakta \u0161\u0137idruma parametros (t.i., peps\u012bna koncentr\u0101cija, \u017eults sk\u0101bes, lum\u012bn\u0101l\u0101 viskozit\u0101te, pH, osmolalit\u0101te utt.) [114]. Turkl\u0101t gados vec\u0101kiem cilv\u0113kiem ar t\u0101diem vesel\u012bbas trauc\u0113jumiem k\u0101 hipohlorhidrija un ahlorhidrija ir paaugstin\u0101ts ku\u0146\u0123a pH [115]. T\u0101p\u0113c \u0161ai iedz\u012bvot\u0101ju grupai simul\u0113t\u0101s \u0161\u0137\u012bd\u012bbas vides var b\u016bt nepiecie\u0161ams piel\u0101got, lai atspogu\u013cotu \u0161o paaugstin\u0101to pH.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SGC \u0161\u0137\u012bd\u012bbas nov\u0113rt\u0113\u0161an\u0101 iz\u0161\u0137\u012bdin\u0101\u0161anas iek\u0101rtas izv\u0113le ir v\u0113l viens b\u016btisks solis, jo pildvielas satura sajauk\u0161an\u0101s efektivit\u0101ti ar \u0161\u0137\u012bdumu liel\u0101 m\u0113r\u0101 ietekm\u0113 mais\u012b\u0161anas hidrodinamika, jo \u012bpa\u0161i t\u0101di main\u012bgie lielumi k\u0101 l\u0101psti\u0146as rot\u0101cijas \u0101trums. Divas visbie\u017e\u0101k izmantot\u0101s metodes SGC \u0161\u0137\u012bd\u012bbas \u012bpa\u0161\u012bbu nov\u0113rt\u0113\u0161anai ir l\u0101psti\u0146as metode un groza metode.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Groza ier\u012bces priek\u0161roc\u012bba ir t\u0101, ka t\u0101 aptver SGC. \u0160o metodi var izv\u0113l\u0113ties, ja SGC ir piepild\u012bti ar vielu, kuras \u012bpatn\u0113jais svars ir maz\u0101ks par \u016bdens \u012bpatn\u0113jo svaru, un grozi ne\u013cauj SGC un t\u0101 sast\u0101vda\u013c\u0101m peld\u0113t vid\u0113. Viena no bie\u017ei nov\u0113rot\u0101m probl\u0113m\u0101m, izmantojot grozu, ir t\u0101, ka \u0161\u0137\u012bd\u012bbas eksperimenta laik\u0101 m\u012bkst\u0101 g\u0113la apvalks var sadal\u012bties m\u012bkst\u0101 un lip\u012bg\u0101 mas\u0101, kas var aizsprostot groza sietu, radot lielu rezult\u0101tu variabilit\u0101ti. Turkl\u0101t, ja pildmateri\u0101ls ir hidrofobs, t. i., uz e\u013c\u013cas b\u0101zes, var nenotikt izklied\u0113\u0161an\u0101s s\u012bk\u0101s pilienos, kas var\u0113tu iziet cauri groza sietam, radot \u0161\u0137\u012bd\u012bbas aizkav\u0113\u0161anos, kas neatspogu\u013co SGC paties\u0101s \u012bpa\u0161\u012bbas. Lai mazin\u0101tu \u0161o probl\u0113mu, alternat\u012bva b\u016btu groza ar liel\u0101kiem poru izm\u0113riem, t.i., 20 vai 10 sieta izm\u0113riem, izmanto\u0161ana [116]. Pillay un Fassihi izmantoja rot\u0113jo\u0161\u0101 groza metodi, lai nov\u0113rt\u0113tu nifedip\u012bna uz lip\u012bdu b\u0101zes SGC \u0161\u0137\u012bd\u012bbu. Vi\u0146u dati liecin\u0101ja, ka p\u0113c se\u0161u stundu \u0161\u0137\u012bd\u012bbas testa liel\u0101k\u0101 da\u013ca viskoz\u0101 e\u013c\u013cain\u0101 pild\u012bjuma joproj\u0101m bija sapinu\u0161ies grozos, un tas izrais\u012bja \u0161\u0137\u012bd\u012bbas neveiksmi [55]. To skaidroja ar standarta \u0161\u0137\u012bd\u012bbas groza ar 40 sieta poru izm\u0113ru izmanto\u0161anu, kas apvienota ar neatbilsto\u0161iem hidrodinamiskajiem apst\u0101k\u013ciem groz\u0101. Tom\u0113r, kad \u0161\u0137\u012bd\u012bbas tests tika atk\u0101rtots, izmantojot p\u0101rprojekt\u0113tu \u0161\u0137\u012bd\u012bbas apar\u0101tu, \u0161aj\u0101 gad\u012bjum\u0101 nifedip\u012bna SGC uzr\u0101d\u012bja lab\u0101kos \u0161\u0137\u012bd\u012bbas profilus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u0101psti\u0146as metode veido aptuveni 70% no iz\u0161\u0137\u012bdin\u0101\u0161anas metod\u0113m, ko izmanto FDA apstiprin\u0101tos komerci\u0101los z\u0101\u013cu produktos [100]. \u0160aj\u0101 metod\u0113 kapsulu tur\u0113\u0161anai netiek izmantots sieta grozs, t\u0101p\u0113c bie\u017ei sastopama s\u0101kotn\u0113ja probl\u0113ma ir t\u0101, ka SGC, tikl\u012bdz t\u0101s p\u0101rspr\u0101gst, uzpeld uz iz\u0161\u0137\u012bdin\u0101\u0161anas vides virsmas. \u0160\u0101dos gad\u012bjumos var izmantot stieples spir\u0101les, kas paz\u012bstamas ar\u012b k\u0101 nos\u0113din\u0101t\u0101ji, lai aptvertu m\u012bkst\u0101s kapsulas un notur\u0113tu t\u0101s trauka diben\u0101 [117]. Tas \u013cauj pild\u012bjumam lab\u0101k saskarties ar \u0161\u0137idrumu (p\u0113c apvalka p\u0101rpl\u012b\u0161anas) un pal\u012bdz nov\u0113rst kapsulas pielip\u0161anu pie trauka sien\u0101m. Sinkera forma un izm\u0113rs ir j\u0101izv\u0113las r\u016bp\u012bgi, jo tas var ietekm\u0113t \u0161\u0137\u012bd\u012bbas procesu, \u012bpa\u0161i gad\u012bjumos, kad SGC uzbriest, non\u0101kot saskar\u0113 ar \u0161\u0137\u012bd\u012bbas vidi. Iepriek\u0161\u0113j\u0101 p\u0113t\u012bjum\u0101 tika par\u0101d\u012bts, ka, izmantojot l\u0101psti\u0146as metodi, ieg\u016btais \u0161\u0137\u012bd\u012bbas \u0101trums bija \u0101tr\u0101ks un zem\u0101kos laika punktos \u013coti main\u012bgs sal\u012bdzin\u0101jum\u0101 ar to, kas tika ieg\u016bts, izmantojot grozu. Turpretim dati, kas ieg\u016bti, izmantojot groza \u0161\u0137\u012bd\u012bbas apar\u0101tu, liecin\u0101ja, ka \u0161\u012b metode bija selekt\u012bv\u0101ka un API atbr\u012bvo\u0161an\u0101s profil\u0101 bija maz\u0101kas sv\u0101rst\u012bbas [63]. att\u0113l\u0101 par\u0101d\u012bti komerci\u0101li pieejamu SGC piem\u0113ri un to \u0161\u0137\u012bd\u012bbas metodes. Citas p\u0113tniec\u012bbas grupas ir nov\u0113rt\u0113ju\u0161as USP III izmanto\u0161anas iesp\u0113jam\u012bbu SGC \u0161\u0137\u012bd\u012bbas nov\u0113rt\u0113\u0161an\u0101. Monterroza un Ponce De Le\u00f3n [118] izstr\u0101d\u0101ja diferenc\u0113tu SGC \u0161\u0137\u012bd\u012bbas metodi, kas satur mikroniz\u0113ta progesterona e\u013c\u013cainu suspensiju. Vi\u0146i sal\u012bdzin\u0101ja iz\u0161\u0137\u012b\u0161anas profilus, kas ieg\u016bti, izmantojot USP 1, 2 un 3. P\u0113c iepriek\u0161\u0113jiem testiem USP 1 un USP 2 metodes nesasniedza m\u0113r\u0137i atbr\u012bvot vair\u0101k nek\u0101 85% akt\u012bv\u0101s vielas maz\u0101k nek\u0101 90 min\u016bt\u0113s. Tom\u0113r USP 3 par\u0101d\u012bja daudzsolo\u0161as izredzes atbr\u012bvot vair\u0101k nek\u0101 85% akt\u012bv\u0101s vielas maz\u0101k nek\u0101 90 min\u016bt\u0113s 250 ml 4% SLS kl\u0101tb\u016btn\u0113 fosf\u0101ta \u0161\u0137\u012bdum\u0101 ar pH 6,8.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Da\u017eos gad\u012bjumos, piem\u0113ram, attiec\u012bb\u0101 uz apvalkot\u0101m SGC, ir j\u0101izstr\u0101d\u0101 divpak\u0101pju vai divl\u012bme\u0146u iz\u0161\u0137\u012bdin\u0101\u0161anas metode [120,121,122]. \u0160\u012bs metodes m\u0113r\u0137is ir nov\u0113rt\u0113t apvalka integrit\u0101ti sk\u0101b\u0101 ku\u0146\u0123a vid\u0113 un izm\u0113r\u012bt z\u0101\u013cu atbr\u012bvo\u0161anos GIT apak\u0161\u0113j\u0101s da\u013c\u0101s, kur\u0101s ir gandr\u012bz neitr\u0101ls pH l\u012bmenis. Divpak\u0101pju \u0161\u0137\u012bd\u012bbas testa manu\u0101la veik\u0161ana ir darbietilp\u012bga un prasa labi apm\u0101c\u012btus anal\u012bti\u0137us. Piem\u0113ram, tas prasa otr\u0101 barotnes \u0161\u0137\u012bduma iepriek\u0161\u0113ju uzsild\u012b\u0161anu, barotnes piel\u0101go\u0161anu, pievienojot otr\u0101 \u0161\u0137\u012bduma da\u013cu, k\u0101 ar\u012b pH piel\u0101go\u0161anu un p\u0101rbaudi se\u0161os traukos 5 min\u016b\u0161u laik\u0101. Parasti ir divas pieejas barotnes modifik\u0101cijai, kas paz\u012bstamas k\u0101 barotnes pievieno\u0161ana vai barotnes apmai\u0146a. Piem\u0113ram, abas pieejas var s\u0101kties ar sk\u0101bu posmu, piem\u0113ram, 0,1 N s\u0101lssk\u0101bi, uz noteiktu laiku, kam seko buferposms, piem\u0113ram, fosf\u0101ta buferis ar pH 6,8. Konkr\u0113tais laiks tiek izv\u0113l\u0113ts atbilsto\u0161i konkr\u0113t\u0101 z\u0101\u013cu prepar\u0101ta vajadz\u012bb\u0101m. Izmantojot jebkuru no \u0161\u012bm pieej\u0101m, pH regul\u0113\u0161ana j\u0101veic kontrol\u0113t\u0101 un reproduc\u0113jam\u0101 veid\u0101, izmantojot iepriek\u0161 uzsild\u012btus \u0161\u0137\u012bdumus. \u0160\u0137\u012bduma pievieno\u0161ana un pH regul\u0113\u0161ana j\u0101veic 5 min\u016b\u0161u laik\u0101 [123]. Zhao un kol\u0113\u0123i aprakst\u012bja divpak\u0101pju \u0161\u0137\u012bd\u012bbas metodi, izmantojot barotnes pievieno\u0161anu un l\u0101psti\u0146as apar\u0101tu, kur\u0101 pirmaj\u0101 posm\u0101 barotn\u0113 tika iek\u013cauts virsmas akt\u012bv\u0101 viela Tween 80, lai uzlabotu akt\u012bv\u0101s farmaceitisk\u0101s vielas \u0161\u0137\u012bd\u012bbu [124]. Izstr\u0101d\u0101t\u0101 \u0161\u0137\u012bd\u012bbas metode sp\u0113ja at\u0161\u0137irt z\u0101\u013cu sast\u0101va, ra\u017eo\u0161anas procesa un stabilit\u0101tes izmai\u0146as. Izstr\u0101d\u0101jot divpak\u0101pju \u0161\u0137\u012bd\u012bbas proced\u016bru, ir r\u016bp\u012bgi j\u0101izv\u0113rt\u0113 vair\u0101ki faktori, lai noteiktu piem\u0113rotu vidi. Kritisk\u0101kais solis ir r\u016bp\u012bgi izv\u0113rt\u0113t da\u017e\u0101das vides, lai identific\u0113tu to, kas nodro\u0161ina sink apst\u0101k\u013cus. Pildvielai var b\u016bt no pH atkar\u012bga \u0161\u0137\u012bd\u012bba, t\u0101p\u0113c ir j\u0101nov\u0113rt\u0113 savienojuma \u0161\u0137\u012bd\u012bba gan sk\u0101b\u0101, gan neitr\u0101l\u0101 vid\u0113. Piem\u0113ram, 0,1 N HCl un 50 mM pH 6,8 fosf\u0101ta buferi ir pla\u0161i izmantotas vides.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vid\u0113j\u0101 pievieno\u0161anas metode, ko izmanto divpak\u0101pju \u0161\u0137\u012bd\u012bbas test\u0113\u0161anai kapsul\u0101m ar enterisko apvalku vai divpak\u0101pju \u0161\u0137\u012bd\u012bbas test\u0113\u0161anai, paredz l\u0101psti\u0146as vai groza apar\u0101tu izmanto\u0161anu. \u0160\u012b pieeja prasa sal\u012bdzino\u0161i neliela vid\u0113j\u0101 daudzuma pievieno\u0161anu katram traukam \u012bs\u0101 laika posm\u0101. Parasti izmanto \u0161\u0137\u012bduma tilpumu diapazon\u0101 no 500 l\u012bdz 1000 ml, bet FDA apstiprin\u0101tajos z\u0101\u013cu produktos visbie\u017e\u0101k izmanto 900 ml [100]. Tom\u0113r \u0161\u0137\u012bduma tilpums j\u0101nosaka atbilsto\u0161i izdal\u012b\u0161an\u0101s apst\u0101k\u013ciem. Lai izstr\u0101d\u0101tu stabilu divpak\u0101pju iz\u0161\u0137\u012bdin\u0101\u0161anas metodi, ko var p\u0101rnest uz kvalit\u0101tes kontroli, priek\u0161roka tiek dota vid\u0113j\u0101 pievieno\u0161anas metodei, kur\u0101, piem\u0113ram, 200 ml tilpumu var pievienot 700 ml s\u0101kotn\u0113jam tilpumam, lai piel\u0101gotu pH, un p\u0113c tam pievienot virsmas akt\u012bvo vielu vai enz\u012bmu atkar\u012bb\u0101 no m\u012bksto \u017eelat\u012bna kapsulu z\u0101\u013cu prepar\u0101ta [124]. Turkl\u0101t ir j\u0101pievieno prec\u012bzs barotnes tilpums, lai nodro\u0161in\u0101tu, ka nerodas tilpuma k\u013c\u016bda. T\u0101pat, pievienojot barotni, ir j\u0101\u0146em v\u0113r\u0101 gal\u012bg\u0101 v\u0113lam\u0101 pH v\u0113rt\u012bba gal\u012bgajam tilpumam. \u0160\u012b tehnika ir maz\u0101k invaz\u012bva attiec\u012bb\u0101 uz SGC un ir viegl\u0101k veicama \u012bs\u0101 laik\u0101, ja tiek apstr\u0101d\u0101tas vair\u0101kas partijas. \u0160\u012b pieeja ir ar\u012b maz\u0101k darbietilp\u012bga un \u013cauj eksperimenta laik\u0101 nodro\u0161in\u0101t liel\u0101ku paraugu \u0146em\u0161anas caurlaidsp\u0113ju. Lieto\u0161anai z\u0101l\u0113m ar enterisko apvalku akt\u012bv\u0101 viela pirmaj\u0101 posm\u0101 vid\u0113 j\u0101b\u016bt \u0161\u0137\u012bsto\u0161ai l\u012bdz specifik\u0101cij\u0101 noteiktajam l\u012bmenim, lai var\u0113tu noteikt apvalka defektu. Piem\u0113ram, ja specifik\u0101cijas l\u012bmenis pirmajam posmam ir ne vair\u0101k k\u0101 10% atbr\u012bvot\u0101 viela, tad \u0161im vid\u0113jam j\u0101sp\u0113j iz\u0161\u0137\u012bdin\u0101t vismaz 10% akt\u012bv\u0101s vielas m\u012bkst\u0101s \u017eelat\u012bna kapsulas z\u0101l\u0113s. Ja pildmateri\u0101ls nav \u0161\u0137\u012bsto\u0161s pirm\u0101 posma vid\u0113, var pievienot virsmas akt\u012bvo vielu, lai pildmateri\u0101l\u0101 \u0161\u0137\u012bdin\u0101tu vismaz 10% akt\u012bv\u0101s vielas [124]. Lieto\u0161anai divpak\u0101pju \u0161\u0137\u012bd\u012bb\u0101 pildmateri\u0101lam b\u016btu nepiecie\u0161ama virsmas akt\u012bv\u0101s vielas kl\u0101tb\u016btne, lai izpild\u012btu \u0161\u0137\u012bd\u012bbas pras\u012bbas, bet ir nepiecie\u0161ams ar\u012b enz\u012bms, lai p\u0101rvar\u0113tu \u0161\u0137\u0113rssai\u0161u veido\u0161anos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Izmantojot vid\u0113j\u0101s vides nomai\u0146as metodi kapsul\u0101m ar enterisko apvalku, p\u0113c pirm\u0101 posma sk\u0101bo vidi izs\u016bkn\u0113 un taj\u0101 pa\u0161\u0101 trauk\u0101 bufera posmam pievieno pilnu daudzumu bufera ar pH 6,8, kas ir l\u012bdzsvarots l\u012bdz\u012bgos apst\u0101k\u013cos. Vid\u0113j\u0101s vides nomai\u0146as laik\u0101 z\u0101\u013cu formai nedr\u012bkst tikt trauc\u0113ta. Piln\u012bgas vides nomai\u0146as metode l\u012bdzin\u0101s vides pievieno\u0161anas pieejai t\u0101d\u0113j\u0101di, ka kapsulas vispirms ievieto sk\u0101b\u0101 vid\u0113. P\u0113c pirm\u0101 posma beig\u0101m \u0146em anal\u012bzes paraugu, un p\u0113c tam z\u0101\u013cu formu iz\u0146em no sk\u0101b\u0101s vides. Z\u0101\u013cu formas iz\u0146em\u0161anas metode ir atkar\u012bga no iz\u0161\u0137\u012bdin\u0101\u0161anas apar\u0101ta veida. Z\u0101\u013cu formas var manu\u0101li p\u0101rvietot no viena trauka uz otru. Alternat\u012bvi var iz\u0146emt visu trauku, kur\u0101 atrodas sk\u0101be, un aizst\u0101t to ar citu trauku, kur\u0101 atrodas buferis, un z\u0101\u013cu formu p\u0101rvietot uz jauno trauku. SGC z\u0101\u013cu formas kvalit\u0101ti nodro\u0161ina atbilst\u012bba USP pie\u0146emam\u012bbas krit\u0113rijiem sk\u0101b\u0101s f\u0101zes posmam, t. i., ja izstr\u0101d\u0101t\u0101s iz\u0161\u0137\u012bdin\u0101\u0161anas metodes pirmaj\u0101 posm\u0101 no z\u0101\u013cu prepar\u0101ta atbr\u012bvojas maz\u0101k nek\u0101 10% akt\u012bv\u0101s vielas, un t\u0101d\u0113j\u0101di uzskata, ka apvalks ir iztur\u0113jis sk\u0101b\u0101s f\u0101zes testu. Ja katras vien\u012bbas atbr\u012bvo\u0161an\u0101s nav maz\u0101ka par Q + 5% bufera posm\u0101, tad m\u012bksto \u017eelejas z\u0101\u013cu forma ir iztur\u0113jusi otr\u0101 posma \u0161\u0137\u012bd\u012bbas testu [125]. Q apz\u012bm\u0113 akt\u012bv\u0101s vielas daudzumu, kas iz\u0161\u0137\u012bdis iz\u0161\u0137\u012bdin\u0101\u0161anas vid\u0113, izteikts k\u0101 procentu\u0101lais daudzums no mar\u0137\u0113jum\u0101 nor\u0101d\u012bt\u0101 satura. Lai p\u0101rvar\u0113tu gr\u016bt\u012bbas, kas saist\u012btas ar bufer\u0161\u0137\u012bdumu pievieno\u0161anu un pH regul\u0113\u0161anu divpak\u0101pju iz\u0161\u0137\u012bdin\u0101\u0161anas test\u0113\u0161anas laik\u0101, citas p\u0113tniec\u012bbas grupas ir izstr\u0101d\u0101ju\u0161as pusautom\u0101tiskas iz\u0161\u0137\u012bdin\u0101\u0161anas sist\u0113mas \u0161iem m\u0113r\u012bjumiem [125]. Vides mai\u0146as metode ir sare\u017e\u0123\u012bta SGC gad\u012bjum\u0101, jo \u012bpa\u0161i, ja kapsulas ir m\u012bkstin\u0101ju\u0161\u0101s saskares ar \u0161\u0137idrumu d\u0113\u013c; vien\u012bgi m\u0113rc\u0113\u0161ana izraisa nelielu m\u012bkstin\u0101\u0161anu, bet var neizrais\u012bt kapsulas pl\u012bsumu. T\u0101p\u0113c kapsulas p\u0101rvieto\u0161ana vai vides no\u0146em\u0161ana, netrauc\u0113jot apvalku, var b\u016bt gr\u016bta meh\u0101nisk\u0101 sprieguma d\u0113\u013c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eiropas Z\u0101\u013cu a\u0123ent\u016bra (EMA) ir izstr\u0101d\u0101jusi savas vadl\u012bnijas par in vitro \u0161\u0137\u012bd\u012bbas testiem t\u016bl\u012bt\u0113jas darb\u012bbas z\u0101l\u0113m [126]. \u0160aj\u0101s vadl\u012bnij\u0101s EMA apraksta specifik\u0101cijas attiec\u012bb\u0101 uz noteikt\u0101 laik\u0101 iz\u0161\u0137\u012bdu\u0161\u0101s akt\u012bv\u0101s vielas daudzumu, ko uz z\u0101\u013cu mar\u0137\u0113juma nor\u0101da k\u0101 procentu\u0101lo da\u013cu no akt\u012bv\u0101s vielas. Vadl\u012bniju m\u0113r\u0137is ir noteikt specifik\u0101cijas, lai nodro\u0161in\u0101tu partiju savstarp\u0113ju atbilst\u012bbu un izceltu iesp\u0113jam\u0101s probl\u0113mas ar in vivo biolo\u0123isko pieejam\u012bbu. Eiropas Farmakopejas (Ph. Eur. 5.17.1) vadl\u012bnijas par cietajiem t\u016bl\u012bt\u0113jas darb\u012bbas (IR) z\u0101\u013cu prepar\u0101tiem at\u0161\u0137iras no FDA specifik\u0101cij\u0101m. No farmaceitisk\u0101 viedok\u013ca Eiropas Farmakopeja (Ph. Eur.) nosaka, ka IR prepar\u0101tiem parasti j\u0101pan\u0101k vismaz 80 % z\u0101\u013cu vielas in vitro iz\u0161\u0137\u012bdums ne ilg\u0101k k\u0101 45 min\u016bt\u0113s. Tom\u0113r, pamatojoties uz USP vadl\u012bnij\u0101m, parasti 85% vai vair\u0101k z\u0101\u013cu vielas j\u0101atbr\u012bvo 30 l\u012bdz 45 min\u016b\u0161u laik\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SGC \u0161\u0137\u012bd\u012bbas test\u0113\u0161anas metod\u0113s j\u0101\u0146em v\u0113r\u0101 ar\u012b ar vecumu saist\u012bt\u0101 \u017eelat\u012bna \u0161\u0137\u0113rssai\u0161u veido\u0161an\u0101s, kas ietekm\u0113 \u0161\u0137\u012bd\u012bbas r\u0101d\u012bt\u0101jus. USP at\u013cauj izmantot divpak\u0101pju nov\u0113rt\u0113\u0161anu cietaj\u0101m un SGC tablet\u0113m, ja ir nov\u0113rojamas \u0161\u0137\u0113rssai\u0161u veido\u0161an\u0101s paz\u012bmes. \u0160\u0137\u0113rssai\u0161u veido\u0161an\u0101s paz\u012bmes parasti tiek konstat\u0113tas, pamatojoties uz vizu\u0101liem nov\u0113rojumiem \u0161\u0137\u012bd\u012bbas testu veik\u0161anas laik\u0101. Tas balst\u0101s uz faktu, ka USP visp\u0101r\u012bgaj\u0101s noda\u013c\u0101s par iz\u0161\u0137\u012bd\u012bbu, k\u0101 ar\u012b uztura bag\u0101tin\u0101t\u0101ju dezintegr\u0101ciju un iz\u0161\u0137\u012bd\u012bbu, ir at\u013cauts pievienot da\u017e\u0101dus fermentus atkar\u012bb\u0101 no iz\u0161\u0137\u012bd\u012bbas vides pH, ja ciet\u0101s vai SGC tabletes un \u017eelat\u012bna apvalka tabletes neatbilst iz\u0161\u0137\u012bd\u012bbas specifik\u0101cij\u0101m vai lai atrisin\u0101tu iesp\u0113jam\u0101s \u0161\u0137\u0113rssai\u0161u veido\u0161an\u0101s probl\u0113mas [127]. P\u0101rkl\u0101\u0161an\u0101s paz\u012bmes var izpausties k\u0101 slikti \u0161\u0137\u012bsto\u0161a \u017eelat\u012bna apvalka vai pl\u0113ves veido\u0161an\u0101s, kas izskat\u0101s k\u0101 maisi\u0146\u0161, kas ap\u0146em un satur pildvielu p\u0113c apvalka iz\u0161\u0137\u012b\u0161anas (sk. 8. noda\u013cu). Lai nov\u0113rstu krustsai\u0161u veido\u0161anos, divpak\u0101pju \u0161\u0137\u012bd\u012bbas test\u0101 \u0161\u0137\u012bd\u012bbas vid\u0113 pievieno proteol\u012btiskos fermentus, piem\u0113ram, peps\u012bnu, papainu, bromel\u0101\u012bnu vai pankreat\u012bnu, un atk\u0101rto \u0161\u0137\u012bd\u012bbas testu [128]. \u0160ie fermenti efekt\u012bvi sadala pept\u012bdsaites starp aminosk\u0101b\u0113m, kas veido \u017eelat\u012bna pavedienus apvalk\u0101. Fermentu izmanto\u0161ana \u0161\u0137\u012bd\u012bbas test\u0101 j\u0101veic ar piesardz\u012bbu, jo fermentiem ir nepiecie\u0161ama intens\u012bva meh\u0101niska mais\u012b\u0161ana, lai tie iek\u013c\u016btu \u0161\u0137\u012bdum\u0101, tie ir minim\u0101li stabili \u0161\u0137\u012bdum\u0101 un tos var ietekm\u0113t citi vides komponenti, piem\u0113ram, virsmas akt\u012bv\u0101s vielas. Ja vid\u0113 tiek izmantots prote\u012bnu denatur\u0113jo\u0161s virsmakt\u012bv\u0101 viela [129], ir j\u0101veic divpak\u0101pju 2. l\u012bme\u0146a metode. Pirmaj\u0101 posm\u0101 k\u0101 priek\u0161apstr\u0101des posms tiek veikta kapsulas apvalka iz\u0161\u0137\u012bdin\u0101\u0161ana, izmantojot vidi, kas satur fermentu un nesatur virsmakt\u012bvo vielu. P\u0113c kapsulas apvalka iz\u0161\u0137\u012bdin\u0101\u0161anas pievieno vidi, kas satur virsmakt\u012bvo vielu, lai pabeigtu pild\u012bjuma un akt\u012bv\u0101s farmaceitisk\u0101s vielas iz\u0161\u0137\u012bdin\u0101\u0161anu un solubiliz\u0101ciju. Tika nov\u0113rots, ka divpak\u0101pju metod\u0113 lab\u0101kus rezult\u0101tus deva gremo\u0161anas fermenta izmanto\u0161ana iz\u0161\u0137\u012bdin\u0101\u0161anas p\u0113t\u012bjuma veik\u0161anas laik\u0101 un virsmakt\u012bv\u0101s vielas izmanto\u0161ana p\u0113c tam [130].<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u0113l viens svar\u012bgs aspekts, kas ir v\u0113rts apspriest saist\u012bb\u0101 ar SGC \u0161\u0137\u012bd\u012bbu, ir in vitro\u2013in vivo korel\u0101cijas (IVIVC) j\u0113dziens. To parasti izmanto, lai noteiktu sakar\u012bbu starp in vivo reakciju (piem\u0113ram, absorb\u0113t\u0101 z\u0101\u013cu daudzumu) un z\u0101\u013cu formas fizik\u0101li \u0137\u012bmiskaj\u0101m \u012bpa\u0161\u012bb\u0101m in vitro. \u0160\u012b j\u0113dziena galvenais m\u0113r\u0137is ir nodro\u0161in\u0101t, ka divu vai vair\u0101ku viena un t\u0101 pa\u0161a z\u0101\u013cu partiju in vitro \u012bpa\u0161\u012bbas in vivo apst\u0101k\u013cos darbojas l\u012bdz\u012bgi. T\u0101d\u0113j\u0101di \u0161\u012b saist\u012bba ir b\u016btiski svar\u012bga, lai vad\u012btu z\u0101\u013cu izstr\u0101des un apstiprin\u0101\u0161anas procesus, kas ir paredz\u0113ti, lai imit\u0113tu z\u0101\u013cu atbr\u012bvo\u0161anos in vivo. Ir veikti da\u017e\u0101di p\u0113t\u012bjumi par SGC IVIVC, un da\u017ei no tiem ir par\u0101d\u012bju\u0161i labu korel\u0101ciju. Meyer et al. [53] nov\u0113rt\u0113ja, vai izmai\u0146as cietu un m\u012bkstu \u017eelat\u012bna acetaminof\u0113na kapsulu in vitro \u0161\u0137\u012bd\u012bb\u0101, kas rodas \u017eelat\u012bna \u0161\u0137\u0113rssai\u0161u veido\u0161an\u0101s rezult\u0101t\u0101, \u013cauj prognoz\u0113t izmai\u0146as kapsulu biolo\u0123iskaj\u0101 pieejam\u012bb\u0101 in vivo apst\u0101k\u013cos. Vi\u0146u dati liecin\u0101ja, ka cieto un SGC in vitro iz\u0161\u0137\u012bd\u012bbas \u0101trums samazin\u0101j\u0101s saites veido\u0161an\u0101s d\u0113\u013c. No otras puses, biolo\u0123isk\u0101s l\u012bdzv\u0113rt\u012bbas p\u0113t\u012bjumi par\u0101d\u012bja, ka gan ciet\u0101s, gan SGC kapsulas, kas neatbilda USP \u0161\u0137\u012bd\u012bbas specifik\u0101cijai \u016bden\u012b, bet atbilda tai, kad t\u0101s test\u0113ja SGF, kas satur peps\u012bnu, bija biolo\u0123iski l\u012bdzv\u0113rt\u012bgas neapgr\u016btin\u0101taj\u0101m kontroles kapsul\u0101m. Pamatojoties uz plazmas koncentr\u0101cijas parametriem, kapsulas, kuras bija visvair\u0101k krustsai\u0161\u0137eltas, nebija bioekvivalentas ar nekrustsai\u0161\u0137elt\u0101m kontroles kapsul\u0101m. Cit\u0101 p\u0113t\u012bjum\u0101 Nishimura et al. [131] m\u0113\u0123in\u0101ja prognoz\u0113t z\u0101\u013cu koncentr\u0101ciju cilv\u0113ka plazm\u0101 SGC, kas satur v\u0101ji \u0161\u0137\u012bsto\u0161u z\u0101\u013cu vielu \u2014 arund\u012bnsk\u0101bi. SGC tika uzglab\u0101tas \u012bstermi\u0146a un ilgtermi\u0146a apst\u0101k\u013cos, t.i., attiec\u012bgi 15 \u00b0C temperat\u016br\u0101 3 m\u0113ne\u0161us un 25 \u00b0C temperat\u016br\u0101 (relat\u012bvais mitrums (RH) 60%) 30 m\u0113ne\u0161us. Autori par\u0101d\u012bja, ka in vitro iz\u0161\u0137\u012bd\u012bbas dati, kas ieg\u016bti ar iz\u0161\u0137\u012bd\u012bbas vidi, kur\u0101 ir virsmas akt\u012bv\u0101 viela (t. i., 2% SLS, pH 6,8), bija efekt\u012bv\u0101ki, lai prognoz\u0113tu z\u0101\u013cu koncentr\u0101ciju plazm\u0101 p\u0113c SGC peror\u0101las lieto\u0161anas abos uzglab\u0101\u0161anas apst\u0101k\u013cos. T\u0101pat Rossi et al. [132] izstr\u0101d\u0101ja un valid\u0113ja ritonav\u012bra SGC iz\u0161\u0137\u012bd\u012bbas testu, pamatojoties uz cilv\u0113ka in vivo farmakokin\u0113tiskajiem datiem. Autori izmantoja USP II metodi ar 900 ml \u0161\u0137\u012bd\u012bbas vides, kas satur \u016bdeni ar 0,3%, 0,5%, 0,7% vai 1% (masas\/tilpuma attiec\u012bba) SLS, pie rot\u0101cijas \u0101truma 25 apgr.\/min. Vi\u0146u dati liecin\u0101ja par sp\u0113c\u012bgu A l\u012bme\u0146a korel\u0101ciju starp iz\u0161\u0137\u012bdu\u0161\u0101 z\u0101\u013cu procentu\u0101lo da\u013cu un absorb\u0113t\u0101 procentu\u0101lo da\u013cu. Noz\u012bm\u012bga in vitro\u2013in vivo korel\u0101cija tika pan\u0101kta, izmantojot iz\u0161\u0137\u012bdin\u0101\u0161anas vidi, kas satur\u0113ja \u016bdeni ar 0,7% SLS. Cit\u0101 l\u012bdz\u012bg\u0101 p\u0113t\u012bjum\u0101 Donato et al. [133] zi\u0146oja par l\u012bdz\u012bgiem rezult\u0101tiem attiec\u012bb\u0101 uz lopinavira, z\u0101\u013cu ar v\u0101ju \u0161\u0137\u012bd\u012bbu \u016bden\u012b, iz\u0161\u0137\u012bd\u012bbas testa izstr\u0101di un valid\u0101ciju m\u012bkstaj\u0101s \u017eelat\u012bna kapsul\u0101s, pamatojoties uz in vivo datiem. \u0160aj\u0101 darb\u0101 tika izstr\u0101d\u0101ts jauns lopinavira prepar\u0101ts, un t\u0101 iz\u0161\u0137\u012bd\u012bbas testi tika valid\u0113ti, izmantojot in vivo datus. Visas formul\u0101cijas tika nov\u0113rt\u0113tas attiec\u012bb\u0101 uz in vitro \u0161\u0137\u012bd\u012bbu, izmantojot 2,31 TP4T SLS pie pH 6,0 un USP 1 pie 25 apgr.\/min. \u0160\u0101dos apst\u0101k\u013cos autori par\u0101d\u012bja sp\u0113c\u012bgu A l\u012bme\u0146a korel\u0101ciju starp iz\u0161\u0137\u012bdu\u0161o frakciju un absorb\u0113to frakciju.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Koncernam ir daudz patentu&nbsp;<a href=\"https:\/\/www.materialstests.com\/lv\/products\/gelatin-capsule-hardness-tester.html\/\">\u017delat\u012bna kapsulu ciet\u012bbas testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/gelatin-capsule-hardness-tester.html\/\">Autom\u0101tiskais kapsulas ciet\u012bbas testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/medical-device-tester.html\/\">Medic\u012bnisko ier\u012b\u010du testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/medical-device-tester.html\/\">Medic\u012bnas produktu test\u0113\u0161anas instrumentu ra\u017eot\u0101js<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/motorized-cap-torque-tester.html\/\">Motoriz\u0113ts v\u0101ci\u0146u griezes momenta testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/container-tester.html\/\">Konteineru testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/fabric-thickness-tester.html\/\">Auduma biezuma testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/digital-test-stand.html\/\">Digit\u0101lais test\u0113\u0161anas stat\u012bvs<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/vertical-tensile-tester.html\/\">Vertik\u0101lais stiepes testeris<\/a>, k\u0101 ar\u012b nodro\u0161inot in\u017eenieru atbalstu projekt\u0113\u0161an\u0101 un savlaic\u012bgu p\u0113cp\u0101rdo\u0161anas apkalpo\u0161anu, uz\u0146\u0113mums ir ieguvis vado\u0161o poz\u012bciju nozar\u0113.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ja v\u0113laties vair\u0101k inform\u0101cijas par \u0161o produktu, l\u016bdzu, sazinieties ar mums. Iesak\u0101m jums citus popul\u0101rus produktus:&nbsp;<a href=\"https:\/\/www.materialstests.com\/lv\/resources\/automatic-capsule-hardness-tester.html\/\">kapsulas ciet\u012bbas testeris<\/a><br><\/p>","protected":false},"excerpt":{"rendered":"<p>Kas ir m\u012bksto kapsulu ciet\u012bbas testeris? Pirms iepako\u0161anas m\u012bkstaj\u0101m \u017eelat\u012bna kapsul\u0101m j\u0101veic elast\u012bbas p\u0101rbaude. \u0160aj\u0101 gad\u012bjum\u0101 ir nepiecie\u0161ams testeris, nevis parasts testeris. Kapsulu ra\u017eot\u0101jiem ir nepiecie\u0161ams uzticams m\u012bksto \u017eelat\u012bna kapsulu ciet\u012bbas testeris, lai p\u0101rliecin\u0101tos, ka vi\u0146u produkti ir iztur\u0113ju\u0161i noteiktos nozares kvalit\u0101tes standartus, pirms tie izlai\u017e produktus pat\u0113r\u0113t\u0101jiem.<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1022","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts\/1022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/comments?post=1022"}],"version-history":[{"count":0,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts\/1022\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/media?parent=1022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/categories?post=1022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/tags?post=1022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}