Electrospun polyvinyl-alcohol nanofibers as oral fast-dissolving delivery system of caffeine and riboflavin

被引:250
作者
Li, Xiaoqiang [1 ,2 ,3 ]
Kanjwal, Muzafar A. [1 ]
Lin, Lin [4 ]
Chronakis, Ioannis S. [1 ]
机构
[1] Tech Univ Denmark, DTU Food, DK-2800 Lyngby, Denmark
[2] Jiangnan Univ, Key Lab Sci & Technol Ecotext, Minist Educ, Wuxi 214122, Peoples R China
[3] Jiangnan Univ, Coll Text & Clothing, Wuxi 214122, Peoples R China
[4] Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Peoples R China
关键词
Fast-dissolving drug delivery systems; Burst release; Electrospinning; PVA; DRUG-DELIVERY; CONTROLLED-RELEASE; FIBERS; MATS; SCAFFOLD; DISSOLUTION; MEMBRANES; COLLAGEN; TABLETS; CELLS;
D O I
10.1016/j.colsurfb.2012.10.016
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
Fast-dissolving drug delivery systems were prepared by electrospinning using polyvinyl alcohol (PVA) as the filament-forming polymer and drug carrier. Caffeine and riboflavin were used as the model drugs. Scanning electron microscopy (SEM), Fourier-transform infrared (FTIR) and X-ray diffraction were applied to investigate the physicochemical properties of electrospun nanofibers. The SEM images showed that nanofibers prepared from electrospinning PVA/drug aqueous solutions possessed an ultrafine morphology with an average diameter in the range of 260-370 nm. Pharmacotechnical tests showed that PVA/caffeine and PVA/riboflavin nanofibrous mats had almost the same dissolution time (about 1.5 s) and wetting time (about 4.5 s). The release measurements indicated that drugs can be released in a burst manner (caffeine to an extent of 100% and riboflavin to an extent of 40% within 60 s) from the PVA nanofibrous matrices. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:182 / 188
页数:7
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