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RISS 인기검색어
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- 저자 : ( Xiaoru Wu ) (검색결과 4 건)
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ZICHUAN MA,YINSU WU,SHENGTAO XING,YONGFANG CHANG,XIAORU WEI 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2014 NANO Vol.9 No.7
Various manganese oxides nano/micro-crystals, including Mn 3 O 4 octahedrons, hierarchical °ow-er-like K- ? -MnO 2 microspheres, multi-branch and strip-shaped ? -MnOOH, have been prepared bya lignosulfanate (LSN)-mediated hydrothermal process. The e®ect of LSN on the structure andmorphology has been thoroughly investigated by X-ray powder di®raction and scanning electronmicroscopy (SEM). The results indicated that stepwise reduction and Ostwald's ripening occurredsimultaneously in this hydrothermal process, and LSN could serve as both reducing agent andgrowth modi¯er. The appropriate reducing capacity and selective absorption ability of LSN playedan important role for the formation of various manganese oxides nano/micro-crystals. The cat-alytic performance of the products for the oxidation of o-xylene has been also investigated. Theresult showed that the MnO 2 crystals prepared with LSN exhibited the highest catalytic activity.
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Hongkai Li,Lei Hou,Yuanyuan Yu,Xiaoru Sun,Xinhui Liu,Yifan Yu,Sijia Wu,Yina He,Yutong Wu,Li He,Fuzhong Xue 한국유방암학회 2021 Journal of breast cancer Vol.24 No.6
Purpose: We aimed to investigate whether obtaining a higher level of education was causally associated with lower breast cancer risk and to identify the causal mechanism linking them. Methods: The main data analysis used publicly available summary-level data from 2 large genome-wide association study consortia. Mendelian randomization (MR) analysis used 65 genetic variants derived from the Social Science Genetic Association Consortium as instrumental variables for years of schooling. The outcomes from the Breast Cancer Association Consortium (BCAC) were the overall breast cancer risk (122,977 cases/105,974 controls in women) and the two subtypes: estrogen receptor (ER)-positive breast cancer and ER-negative breast cancer. Fixed and random effects inverse variance weighted methods were used to estimate the causal effects, along with other additional MR methods for sensitivity analyses. Results: Results showed that each additional standard deviation of 4.2 years of education was causally associated with a 27% lower risk of ER-negative breast cancer (odds ratio, 0.73; 95% confidence interval, 0.64–0.84; p-value < 0.001). This finding was consistent with the results of the sensitivity analyses. Physical activities can help improve the protective effect of education against breast cancer, with relatively large mediation proportions. Education increases the risk of ER-positive breast cancer due to alterations in high-density lipoprotein level, triglyceride level, height, waist-to-hip ratio, body mass index, and smoking status, with relative medium mediation proportions. Other mediators including low-density lipoprotein, hip circumference, number of cigarettes smoked per day, time spent performing light physical activity, and performing vigorous physical activity for > 10 minutes explain a small part of the causal effect of education on the risk of developing breast cancer, and their mediation proportion is approximately 1%. Conclusion: A low level of education is a causal risk factor in the development of breast cancer as it is associated with poor lipid profile, obesity, smoking, and types of physical activity.
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( Paul Kwo ),( Stefan Zeuzem ),( Steven L. Flamm ),( Myron Tong ),( John M Vierling ),( Stephen Pianko ),( Peter Buggisch ),( Victor de Lédinghen ),( Robert H. Hyland ),( Xiaoru Wu ),( Evguenia S. Sva 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1
Aims: DAAs provide safe and highly efficacious therapies for HCV infection. However, the small proportion of patients who do not achieve a sustained virologic response with DAA-based regimens represent a population with an unmet medical need. Sofosbuvir(SOF) and velpatasvir(VEL) are pangenotypic inhibitors of the HCV NS5B and NS5A proteins, respectively, and voxilaprevir(VOX) is a pangenotypic HCV NS3/4A protease inhibitor. This study evaluates treatment with a SOF/VEL/VOX for 12weeks and a SOF/VEL for 12weeks as salvage regimens in DAA-experienced patients who had not previously received an NS5A inhibitor. Methods: Patients with genotypes 1-3 were randomized 1:1 to receive open-label SOF/VEL/VOX or SOF/VEL for 12weeks, stratified according to genotype and cirrhosis status. Patients of all other genotypes were assigned to receive SOF/VEL/VOX for 12weeks. DAA-experienced patients who previously were treated with an NS5A inhibitor or with only an NS3/4A protease inhibitor in combination with ribavirin and Peg-IFN were excluded. The primary endpoint evaluates the superiority of the SVR12 of each treatment to a prespecified goal of 85%. Results: Of the 333 patients who were randomized and treated, 77% were male, 19% had the IL28B CC genotype, 46% had compensated cirrhosis and 43% had genotype 1 infection. Most patients had prior DAA experience with either an NS5B inhibitor alone(73%) or an N5SB inhibitor and an NS3/4A protease inhibitor(25%); the most common prior treatment regimens were SOF with ribavirin ±Peg-IFN and SOF combined with simeprevir. Treatment was well tolerated.No SAE was assessed to be attributable to study drug. Overall, SVR12 was achieved in 97%(177/182) of patients treated with SOF/VEL/VOX and 90%(136/151) patients treated with SOF/VEL. SOF/VEL/VOX met the prespecified 85% SVR12 performance goal(p<0.001); SOF/VEL did not. Conclusions: SOF/VEL/VOX for 12 weeks provides a safe, well tolerated and effective retreatment options for patients who did not previously achieve SVR following treatment with non-NS5A inhibitor-containing DAA regimens.
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