Effects of substitution degree of photor
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Kai Ling; Fei Zheng; Junli Li; Rupei Tang; Jin Huang; Yongmei Xu; Hua Zheng; Jin
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Article
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2008
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John Wiley and Sons
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English
β 345 KB
## Abstract Hydroxypropyl chitosan (HPCS), a waterβsoluble chitosan derivate, was modified by introducing photoreactive azide groups (4βazidobenzoic acid, Azβ) to the amino groups of HPCS, resulting in a photocrosslinkable AzβHPCS. Novel porous chitosan scaffolds thus were fabricated by ultraviolet