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- W2579587826 abstract "Targeted drug delivery is urgently needed for cancer therapy, and green synthesis is important for the biomedical use of drug delivery systems in the human body. In this work, we report two targeted delivery systems for anticancer drugs based on tea polyphenol functionalized and reduced graphene oxide (TPGs). The obtained TPGs demonstrated an efficient doxorubicin loading capacity as high as 3.430 × 10 6 mg g −1 and 3.932 × 10 4 mg g −1 , and exhibited pH-triggered release. Furthermore, the kinetic models, adsorption isotherms, and possible loading mechanisms were investigated in details. Compared to TPG1 and free doxorubicin, TPG2 is biocompatible to normal cells even at high concentrations and promotes tumor cells death by delivering the doxorubicin mainly to the nuclei. These results were confirmed using cell viability tests and confocal laser microscopy. Moreover, apoptosis tests showed that the mechanism of cancer cell death induced by TPG1 and TPG2 might follow the similar mechanisms. Taken together, these results demonstrate that TPGs provide a multifunctional drug delivery system with a greater loading capacity and pH-sensitive drug release for enhanced cancer therapy. The high drug payload capability and enhanced antitumor efficacy demonstrate that we developed systems are promising for various biomedical applications and cancer therapy." @default.
- W2579587826 created "2017-01-26" @default.
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- W2579587826 date "2017-01-13" @default.
- W2579587826 modified "2023-10-16" @default.
- W2579587826 title "High efficient anti-cancer drug delivery systems using tea polyphenols reduced and functionalized graphene oxide" @default.
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- W2579587826 doi "https://doi.org/10.1177/0885328216689364" @default.
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