Post-Synthetic Ligand Exchange of Metal Organic Framework for Photodynamic Therapy

Attributed to the large pore size and excellent stability, the metal organic framework (MOF) NU-1000, which is formed by the coordination of Zr cluster and 1,3,6,8-tetrakis(p-benzoicacid)pyrene (H4TBAPy) ligand, has been widely studied in the catalysis research field, however, only a few reports abo...

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Published inACS applied materials & interfaces
Main Authors Zhao, Xueyan, Zhang, Zhixiang, Cai, Xuechao, Ding, Binbin, Sun, Chunqiang, Liu, Guofeng, Hu, Chunling, Shao, Shuai, Pang, Maolin
Format Journal Article
LanguageEnglish
Published United States 30.01.2019
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Summary:Attributed to the large pore size and excellent stability, the metal organic framework (MOF) NU-1000, which is formed by the coordination of Zr cluster and 1,3,6,8-tetrakis(p-benzoicacid)pyrene (H4TBAPy) ligand, has been widely studied in the catalysis research field, however, only a few reports about the biomedical application of NU-1000 could be found in the open literature. In this study, a functional ligand, tetrakis(4-carboxyphenyl)porphyrin (TCPP) was introduced into NU-1000 via post-synthetic ligand exchange method, and the resultant mixed ligand MOF possesses excellent photodynamic effect. Finally, in vitro and in vivo assessment about the antitumor efficacy was investigated for the first time. It demonstrates the feasibility of TCPP substituted NU-1000 to be used for photodynamic therapy, and also provides an alternative approach to enrich the function of MOF for various applications via post-synthetic method.
ISSN:1944-8252