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Instituto de Higiene e Medicina Tropical

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Carbohydrate Polymers

Chitosan-based nanoparticles as drug delivery systems for doxorubicin: optimization and modelling

In the present work, two drug delivery systems were produced by encapsulating doxorubicin into chitosan and O-HTCC (ammonium-quaternary derivative of chitosan) nanoparticles. The results show that doxorubicin release is independent of the molecular weight and is higher at acidic pH (4.5) than at physiological pH.
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Thermal and magnetic properties of chitosan-iron oxide nanoparticles

Chitosan is a biopolymer widely used for biomedical applications such as drug delivery systems, wound healing, and tissue engineering. Chitosan can be used as coating for other types of materials such as iron oxide nanoparticles, improving its biocompatibility while extending its range of applications.

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