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Linxiang Tan,Xiaoxia Ke,Xuechun Song,Qiaoqiao Yin,Ru Qiao,Kaiyan Guo,Lanlan Zhu 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.60 No.-
A novel NIR-responsive photocatalyst NaYF4:Yb,Er@SiO2@Zn1 − xMnxO with double-layered core–shell structure was prepared by a three-step reaction. NaYF4:Yb,Er serves as a NIR-to-visible upconverter and provides “visible light” or “necessary energy” to Zn1 − xMnxO. Meanwhile, Mn2+-doping in Zn1 − xMnxO can extend the photoresponse of ZnO to visible-light region and enhance its charge separation. The nanocomposite exhibits good activity for dye decomposition and antibacterial property under NIR irradiation. The “energy absorption – energy conversion – energy transfer – surface reaction” process dominates the overall photocatalytic activity. Based on the standard MTT (abbr. for 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide) assay, NaYF4:Yb,Er@SiO2@Zn1 − xMnxO also exhibits good biocompatibility and low cytotoxicity with human umbilical vein endothelial cells (HUVEC) as model cells.
Association of a functional IRF7 variant with systemic lupus erythematosus
Fu, Qiong,Zhao, Jian,Qian, XiaoXia,Wong, Jonathan L. H.,Kaufman, Kenneth M.,Yu, C. Yung,Mok, Mo Yin,Harley, John B.,Guthridge, Joel M.,Song, Yeong Wook,Cho, Soo-Kyung,Bae, Sang-Cheol,Grossman, Jennife Wiley (John WileySons) 2011 Vol.63 No.3
<P>A previous genome-wide association study conducted in a population of European ancestry identified rs4963128, a KIAA1542 single-nucleotide polymorphism (SNP) 23 kb telomeric to IRF7 (the gene for interferon regulatory factor 7 [IRF-7]), to be strongly associated with systemic lupus erythematosus (SLE). This study was undertaken to investigate whether genetic polymorphism within IRF7 is a risk factor for the development of SLE.</P>
Hui Jin,Haiyan Cui,Xiaoyan Yang,Lihong Xu,Xudong Li,Rentao Liu,Zhiqiang Yan,Xiuzhuang Li,Weili Zheng,Yuhui Zhao,Xiaoxia Song,Lihua Zhong,Anxiang Su,Bo Qin 한국응용곤충학회 2018 Journal of Asia-Pacific Entomology Vol.21 No.4
Aphelenchoides besseyi and Ditylenchus destructor can cause serious problems for a number of important agricultural crops and vegetables. In this study, the ethanol extract of Stellera chamaejasme L. roots showed strong nematicidal activity against Aphelenchoides besseyi and Ditylenchus destructor. By using a bioactivity-driven fractionation, three biflavonoids were isolated from the extract and their structures were identified by mass and nuclear magnetic resonance spectral data. Nematicidal activity bioassays revealed that isoneochamaejasmin A had the strongest nematicidal activity against A. besseyi and D. destructor with LC 50 values of 2.32 and 0.18 mM at 72 h, respectively. Chamaejasmenin B displayed weaker nematicidal activity against A. besseyi with an LC 50 value of 3.94 mM at 72 h. Neochamaejasmin B induced the lowest mortality against D. destructor with an LC 50 values of 15.6 mM at 72 h. These results suggested that the kind and position of substitutions and the relative configuration of 2-H/3-H and 2”-H/3”-H could be considered as important factors responsible for the nematicidal activity of these purified C-3/C-3″ biflavonoids.