Bing-Jie Han

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The DNA-binding, photocleavage, and antitumor activity of three free base pyridyl corroles 1, 2, and 3 have been investigated. The binding affinity toward CT-DNA decreases with increasing number of pentafluorophenyl, whereas the photocleavage activity toward pBR322 DNA becomes more efficient. Singlet oxygen was demonstrated as active species responsible for(More)
Two dibenzoxanthene isomers 3 and 4 were synthesized and characterized. The crystal structures of the two compounds were solved by single-crystal X-ray diffraction. Binding of two compounds with calf thymus DNA (CT DNA) and BSA (bovine serum albumin) has been thoroughly investigated by UV–Vis and fluorescence spectroscopy. The DNA-binding constants were(More)
In the present study, the in vitro cytotoxicity of daidzein was evaluated in human BEL-7402, A549, HeLa, HepG-2 and MG-63 cancer cell lines. BEL-7402 cells were sensitive to daidzein treatment, with an IC50 value of 59.7±8.1 µM. Daidzein showed no cytotoxic activity toward A549, HeLa, HepG-2 and MG-63 cells. Daidzein increased the levels of reactive oxygen(More)
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