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- 저자 : Yaoyao Pan (검색결과 2 건)
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Yin Huang,Yaoyao Pan,Xiaoyu Huang,Jialu Zhao,Xiuhua Wang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.118 No.-
During water electrolysis, multifunctional electrocatalysts with outstanding functionality and endurancemust be thoughtfully constructed and designed. Below, we report a hollow NiS@Ni2P nanoframeheterostructure that works well as a substitute catalyst for the urea oxidation and general water splittingreactions. The hollow NiS@Ni2P nanoframe was synthesized by ion exchange, sulfurization and phosphating,which is favorable for achieving a heterostructure. The NiS@Ni2P catalyst exhibits excellent catalyticactivity and strong long-term stability in 1.0 M KOH solutions for the hydrogen evolution reaction, whichneeds 121 mV to achieve 10 mA cm2. And for the oxygen evolution reaction, the catalyst needs 311 mVto acquire 50 mA cm2. These advantages come from the optimal electronic structural configuration,hierarchical hollow nanoframe structure, and large surface area. It could attain 10 mA cm2 at 1.41 Vwhen utilized as a urea oxidation reaction anode, which is lower than the oxygen evolution reaction. For total water splitting and urea oxidation process, NiS@Ni2P as a bifunctional catalyst holds tremendouspromise due to its strong electrocatalytic activity, ease of manufacture, and low cost of raw ingredients.
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Song Sa,Pan Jian,Zhang Yaoyao,Xu Yuehuan,Zhang Qingmei,Xie Xiaoxun,Zhou Qingniao,Mo Farong,Luo Guorong,Chao Naixia 한국유전학회 2023 Genes & Genomics Vol.45 No.1
Background Hepatocellular carcinoma (HCC) is the most common primary liver malignancy with a high mortality rate. P14.5 is a member of the highly conserved YER057c/YIL051c/YjgF subfamily and is highly expressed in the liver. However, its low expression is associated with carcinogenesis in HCC. Objective This study aimed to investigate the role and prognostic significance of P14.5 in HCC. Methods The clinical significance of P14.5 in HCC was examined using ONCOMINE, UALCAN, Human Protein Atlas, and Kaplan–Meier plotter. The DNA methylation profile of the P14.5 promoter was examined in 103 HCC and paired precancerous tissues; the HCC cell lines HepG2, MHCC-97L, SMMC-7721, SK-Hep-1, and Huh7; and the normal hepatic cell line HL-7702 via MALDI-TOF mass spectrometry. In addition, in vitro experiments were performed to examine the effects of P14.5 overexpression on the proliferation and migration of SMMC-7721 cells. Results Low expression of P14.5 was correlated with shorter overall survival (OS) and disease-free survival (DFS) in HCC. Based on the results of MALDI-TOF mass spectrometry, no difference was observed in the methylation level between HCC cells and normal human hepatic cells and between HCC and paired precancerous tissues. Additionally, P14.5 overexpression promoted the proliferation and inhibited the migration of SMMC7721 cells in vitro. Conclusions P14.5 may serve as a prognostic biomarker in HCC and plays a role in the migration and proliferation of HCC cells. Low expression of P14.5 during hepatocarcinogenesis is not attributed to DNA methylation.
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