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Dual-anchor anti-corrosion coating of copper foil for high-speed interconnects
Huijuan Shi,Guoyun Zhou,Qin Zhang,Pengju Wang,Yan Hong,Wei He,Shouxu Wang,Chong Wang,Zhiwei Han 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.126 No.-
In this experiment, two similar molecules with bifunctional groups have been characterized to prove theadvantages of dual-anchor molecular coating in the interfacial modification of the copper foil. The physicochemicalproperties of the modified copper foils have been studied. The obtained results indicate thatthe anti-corrosion performance and peeling strength were significantly improved for the copper foil treatedwith (2-(Methylthio)pyrimidin-4-yl)methanamine (MET), whose bonding information was analyzedvia the density functional theory calculation. It was found that the S-Cu and N-Cu bonds were bothformed on the Cu (1 1 1) surface for MET coating, and the adsorption of the double anchor pointsimproves the stability of the interface. The peeling test exhibits the function of MET coating as the adhesionpromotor between low-surface profile copper and resin for high-speed signal transmission.
Chenyang Qi,Liping Zou,Suxia Wang,Xing Mao,Yuan Hu,Jiaoyu Shi,Zhigang Zhang,Huijuan Wu 대한암학회 2022 Cancer Research and Treatment Vol.54 No.1
Purpose The role of vacuolar protein sorting 34 (Vps34), an indispensable protein required for cell vesicular trafficking, in the biological behavior of hepatocellular carcinoma (HCC) has yet to be studied. Materials and Methods In the present study, the expression of Vps34 in HCC and the effect of Vps34 on HCC cell invasion was detected both in vivo and in vitro. Furthermore, by modulating the RILP and Rab11, which regulate juxtanuclear lysosome aggregation and recycling endosome respectively, the underlying mechanism was investigated. Results Vps34 was significantly decreased in HCC and negatively correlated with the HCC invasiveness both in vivo and in vitro. Moreover, Vps34 could promote lysosomal juxtanuclear accumulation, reduce the invasive ability of HCC cells via the Rab7-RILP pathway. In addition, the deficiency of Vps34 in HCC cells affected the endosome-lysosome system, resulting in enhanced Rab11 mediated endocytic recycling of cell surface receptor and increased invasion of HCC cells. Conclusion Our study reveals that Vps34 acts as an invasion suppressor in HCC cells, and more importantly, the endosome-lysosome trafficking regulated by Vps34 has the potential to become a target pathway in HCC treatment.