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Updated: Jul 21, 2026

Polymalic Acid-based Nano Biopolymers for Targeting of Multiple Tumor Markers: An Opportunity for Personalized Medicine?
Published on: June 13, 2014
Biocompatible and Biodegradable Nanocarriers for Targeted Drug Delivery in Precision Medicine
Xin Jin1, Hu Qian1, Yuxiang Xie1
1School of Materials and Chemical Engineering, Chuzhou University, Chuzhou 239000, China.
Abstract:
Despite the promising natural origin, biocompatibility, and biodegradability of chitosan for biomedical applications, developing biodegradable nanocarriers with controllable sizes and precise drug delivery targeting remains a significant challenge, hindering its integration into precision medicine. To address this, we synthesized gold nanocage (AuNCs)/poly-(N-isopropylacrylamide-co-carboxymethyl chitosan) core-shell multifunctional composite nanospheres (CPAu) through a two-step one-pot method. The resulting CPAu nanospheres (~146 nm in size) exhibited multi-sensitive release properties, excellent biocompatibility, and potent photothermal therapy (PTT) activity. These nanospheres effectively encapsulated diverse antitumor drugs while demonstrating triple responsiveness (thermo-, reduction-, and PTT-triggered) for targeted tumor cell delivery, thereby achieving enhanced antitumor efficacy in combinatorial chemotherapy.
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