Effects of fabrication conditions on formation of chitosan hollow beads
PDF (Vietnamese)

Keywords

chitosan
hollow bead
sodium tripolyphosphate chitosan
hạt rỗng
sodium tripolyphosphate

How to Cite

1.
Phương Thùy PT, Hoàng LT, Nhung TT, Cẩm Tuyên NT. Effects of fabrication conditions on formation of chitosan hollow beads. hueuni-jns [Internet]. 2020Mar.20 [cited 2024Nov.23];129(1A):87-93. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/5447

Abstract

Chitosan has been widely used in biomedical fields due to its high biocompatibility. Especially, chitosan beads with hollow interior are gaining attention because they can absorb more drugs and release them in a sustained manner. Previous studies showed that the formation of chitosan hollow beads required organic solvents and toxic crosslinking reagents, which might limit their application in biological systems. Therefore, this study aims to fabricate chitosan beads with a core/shell structure by using simple ionic gelation in mild conditions. Chitosan synthesized from chitin was used in bead formation with sodium tripolyphosphate (STPP) as a crosslinking agent. Beads with the largest core diameter are obtained from a 2% (w/v) 205.6 kDa chitosan solution in 1% acetic acid at pH = 9 of the STPP solution.

https://doi.org/10.26459/hueuni-jns.v129i1A.5447
PDF (Vietnamese)

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