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Environmentally responsive hydrogels are widely used in various applications. Facile synthesis of multiply stimuli-responsive hydrogels is necessary. Herein, a triple pH-, thermo- and ion-sensitive hydrogel, shorted as HSP, was synthesized by aqueous radical polymerization using L-serinyl acrylate as a monomer and PEG180DMA as a crosslinker. The compositions and microstructures of HSP are characterized...
Chitosan is a natural heteropolysaccharide smart biodegradable polymer which is biocompatible, nontoxic, bioactive, non-immunogenic and non-carcinogenic. Chitosan has diversified biomedical applications, such as controlled drug delivery, tissue engineering and gene therapy. Encapsulation of various drug molecules as well as herbal extracts is of current interest. However, Cassia fistula plant extract,...
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