光照60 分钟后,尽管黏土和腐殖质体系中总负载四环素的光转化率相似 (80−90%),但相较于各自的黑暗对照,两类介质体系培养后的细菌平均荧光强度(与四环素抗性基因tet(M)的表达量成正比)有显著差异,两种黏土中细胞荧光强度的降低比例(94%和93%)明显高于两种腐殖质(44%和69%)。通过质谱分析和化学探针测定手段,黏土...
DOI: 10.1021/acs.est.0c01132 Wei, C., S. Yin, and D. Zhu*. 2020. Mechanisms for sulfide-induced nitrobenzene reduction mediated by a variety of different carbonaceous materials: Graphitized carbon-facilitated electron transfer versus quinone-facilitated formation of reactive sulfur species. J. ...
近日,北京大学城市与环境学院朱东强老师课题组在Environmental Science & Technology上发表了题为“Products from Photolysis Reactions of Tetracycline Mediated by Clay and Humic Substance Induce Contrasting Expressions of Target Resistance Genes”的研究论文(DOI: 10.1021/acs.est.4c03797),利用荧光大肠杆菌全细胞生物...