同质结
二甘醇
内吞作用
光毒性
乳酸脱氢酶
细胞毒性
光催化
活性氧
化学
降级(电信)
三甘醇
体外
生物物理学
双酚A
核化学
材料科学
细胞
生物化学
生物
酶
催化作用
有机化学
乙二醇
环氧树脂
异质结
电信
光电子学
计算机科学
作者
Wei Dong,Erli Liang,Qiong Zhang,Rui Li,Yunfang Wang,Jianxin Liu,Xiaochao Zhang,Yawen Wang,Caimei Fan
摘要
In this study, a set of BiOCl with controllable ratios of (001) and (110) facets was prepared by adjusting the content of diethylene glycol (DEG) during the preparation process. The degradation experiment of bisphenol A (BPA) shows that under simulated sunlight, when the ratio of (001) to (110) is 0.61, BiOCl (BOC-2) has the best degradation activity, which can degrade 96.2% BPA within 20 min. After theoretical calculations and experimental characterization, a Z-scheme (001)/(110) facet homojunction is proposed. Then, three typical samples were selected to test the biological toxicity of HepG2 cells and the activity of killing HepG2 cells under ultraviolet light conditions. Studies have found that exposed facets play a more important role in the biotoxicity of BiOCl to cells; with a (001)/(110) ratio of 0.61, BOC-2 exhibits excellent endocytosis and phototoxicity but no obvious dark cytotoxicity, while with a (001)/(110) ratio of 0.15, BiOCl (BOC-4) has poor endocytosis and strong cytotoxicity under dark conditions. Through reactive oxygen species (ROS) and lactate dehydrogenase (LDH) assay detection, the process of photocatalytic killing cells of BOC-2 more looks like an apoptosis mechanism, while BOC-4 mainly causes cell necrosis.
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