Publication date: 25 October 2017 Source:Journal of Industrial and Engineering Chemistry, Volume 54 Author(s): Tae-Hun Kim, Gyeong-Won Jeong, Jae-Woon Nah The doxorubicin-conjugated O-carboxymethyl chitosan (OCAD) was synthesized by hydrazone bond and transferrin was introduced to OCAD for targeted cancer therapy. The OCAD was analyzed by 1H NMR and, diameter of OCAD and TPOCAD were confirmed 230nm and 250nm by DLS, respectively. The release profile of OCAD showed that acidic pH was rapidly released than neutral pH. To compare cellular uptake of OCAD and TPOCAD, its internalization was analyzed by CLSM. In addition, cytotoxicity of TPOCAD was accomplished by MTT assay. Therefore, TPOCAD-polymeric drug has a potential ability as drug delivery system for effective chemotherapy against cance...
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