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Background Gold nanoclusters (AuNCs) are typically composed of several to tens of gold atoms which are stabilized with biomacromolecules such as bovine serum albumin (BSA). Au NCs fluoresces in the visible to near infrared region, in a size-dependent manner. AuNCs solutions have potential as fluorophore in a wide range of biomedical applications such as biodetection, biosensing and bioimaging in vitro...
Purpose Thiolated chitosan appears to possess enhanced mucoadhesiveness and cell penetration properties, however, its potential in gene-drug delivery remains unknown. Herein, we report on a highly effective gene delivery system utilizing a 33-kDa thiol-modified chitosan derivative. Methods Thiolated chitosan was prepared by the reaction with thioglycolic acid. Nanocomplexes of unmodified chitosan...
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