Abstract
A traditional Chinese drug “Yunnan Baiyao” is used as an additive in poly(butylenes succinate-co-bytylene terephthalate) (PBST) solution, which is a kind of biodegradable aliphatic-aromatic copolyesters, to produce microspheres with nanoporosity by electrospinning; the tunable size of nanoporosity can be controlled by changing the voltage applied in the electrospinning process.
Highlights
The performance and applications of nanomaterials strongly depend on their morphological and structural properties [1, 2]
A traditional Chinese drug “Yunnan Baiyao” is used as an additive in poly(butylenes succinate-co-bytylene terephthalate) (PBST) solution, which is a kind of biodegradable aliphatic-aromatic copolyesters, to produce microspheres with nanoporosity by electrospinning; the tunable size of nanoporosity can be controlled by changing the voltage applied in the electrospinning process
PBST pellets were dissolved in a mixed solvent of isopropylalcohol and chloroform with a weight ratio 9 : 1. The solvents were bought from Shanghai Chemical Reagent Co., Ltd., China
Summary
The performance and applications of nanomaterials strongly depend on their morphological and structural properties [1, 2]. An obvious phenomenon is the remarkably large surfaceto-volume ratio of nanomaterials, and porous nanofibers can result in extraordinary increase of the ratio [3–9], which is very much suitable for biomedical applications [10, 11], such as drug release. To this end, electrospinning technology is used to fabricate nanoporous materials using a Chinese traditional drugs called “Yunnan Baiyo” as an additive [7]
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