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Izdelava in vrednotenje mikropelet, izdelanih s tehnologijo talin v rotorski komori = Production and evaluation of micropellets produced by hot melt technology using rotor insert : diplomska nalogaNikolić, Đorđe, farmacevtNamen prièujoèe diplomske naloge je bil prouèiti tehnologijo talin za izdelavomikropelet in oblaganje delcev. Mikropelete s klaritromicinomžketoprofenom smo izdelali z metodo direktne izdelave v ... rotorski komori, ob razprsevanju taline primernega veziva. Nas namen je bil izdelati mikropelete, ki bi omogoèale hitro sprosèanje uèinkovine, zato smo uporabili veziva, ki se v vodi popolnoma raztopijo - to so PEG 4000, Gelucire 44ž14 in Lutrol F 68. Mikropelete s klaritromicinom smo izdelali z razprsevanjem talin vseh treh veziv, medtem ko smo mikropelete s ketoprofenom izdelali le z razprsevanjem taline Lutrola F 68. S spreminjanjem vrednosti procesnih spremenljivk smo zeleli izdelati mikropelete, velike od 125 do 355 Žm, z ozko porazdelitvijo velikosti ter èim bolj okrogle in èim manj krusljive. Kakovost mikropelet in s tem tehnoloski postopek smo vrednotili z doloèanjem porazdelitve velikosti in krusljivosti mikropelet, izkoristka procesa ter oceno videza in oblike mikropelet.Metoda direktne izdelave s tehnolgijo talin v rotorski komori se je izkazala kot primerna za izdelavo mikropelet, kar dokazujejo dosezeni dobri izkoristki, okrogle oblike, nizke krusljivosti ter ozke porazdelitve velikosti. Mikropelete smo izdelali z vsemitremi vezivi, vendar pa se le-te med seboj razlikujejo, zaradi razliène obèutljivosti sistema uèinkovina - pomozna snov na procesne spremenljivke. Tehnoloski postopek za sistem ketoprofen - Lutrol F 68 je dal najmanj krusljive mikropelete, vendar zaradi presiroke porazdelitve velikosti mikropelet ni dal dobrih izkoristkov. Proces izdelave za sistem klaritromicin - Gelucire 44ž14 je dal najboljse izkoristke, vendar smo imeli tezave z doseganjem nizke krusljivosti in okrogle oblike mikropelet. Sistema klaritromicin - Lutrol F 68 in klaritromicin - PEG 4000 sta po krusljivosti podobna, vendar ima drugi nekoliko slabse izkoristke. Oblaganje delcev s talino zmesi PEG-a 4000 in PEG-a 400, v komori z razprsevanjem od zgoraj, je prav tako dalo dobre rezultate. Prirastek mase po oblaganju in slike oblozenihdelcev, posnetih z vrstiènim elektronskim mikroskopom, kazejo, da tehnoloski postopek oblaganja s talino v zelo kratkem èasu zagotovi debelo in enakomerno porazdeljeno oblogo.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [Nikolić, Đ.], 2006Language - slovenianCOBISS.SI-ID - 1910897
Author
Nikolić, Đorđe, farmacevt
Other authors
Srčič, Stanko |
Dreu, Rok
Topics
pelete |
izdelava pelet |
rotorska tehnologija |
metode |
predformulacijske študije
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Pharmacy, Lj. | Knjižnica dp 542 Nikolić Đorđe Izdelava IN: 0008886 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Nikolić, Đorđe, farmacevt | ![]() |
Srčič, Stanko | 09031 |
Dreu, Rok | 21455 |
Source: Personal bibliographies
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