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您的检索式：作者名="Samiran Mukherjee"
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| 1 | Transaminitis is an indicator of mortality in patients with COVID-19:A retrospective cohort study显示文摘BACKGROUND Since its discovery in Wuhan,China in December of 2019,the novel coronavirus has progressed to become one of the worst pandemics seen in the last 100 years.Recently,there has been an increased interest in the hepatic manifestations of coronavirus disease 19(COVID-19).AIM To describe the demographic and clinical characteristics of COVID-19 positive patients and study the association between transaminitis and all-cause mortality.METHODS This is a descriptive retrospective cohort study of 130 consecutive patients with a positive COVID PCR test admitted between March 16,2020 to May 14,2020 at a tertiary care University-based medical center.The Wilcoxon-rank sum test and paired t-test were used for comparing non-parametric and parametric continuous variables respectively and a multivariable logistic regression models to study the association between transaminitis and mortality using SAS version 9.4(SAS Institute,Cary,NC,United States).RESULTS Out of the 130 patients,73(56%)patients were found to have transaminitis and 57(44%)did not.When compared to patients without transaminitis,the transaminitis group was found to have a higher median body mass index(30.2 kg/m2 vs 27.3 kg/m2,P=0.04).In the multivariate analysis those with transaminitis were found to have 3.4 times higher odds of dying as compared to those without transaminitis adjusting for gender,the Age-adjusted Charlson Comorbidity Index and admission to the intensive care unit(P=0.03).CONCLUSION Our study showed that transaminitis on admission was associated with severe clinical outcomes such as admission to the intensive care unit,need for mechanical ventilation,and mortality. | Vishnu Charan Suresh Kumar Prateek Suresh Harne Samiran Mukherjee Kashvi Gupta Umair Masood Anuj Vikrant Sharma Jivan Lamichhane Amit Singh Dhamoon Bishnu Sapkota | 2020 | World Journal of Hepatology2020，12，9： | 0 |
| 2 | Characterization,spectroscopic investigation of defects by positron annihilation,and possible application of synthesized PbO nanoparticles显示文摘Nanocrystalline samples of highly pure lead oxide were prepared by the sol-gel route of synthesis.X-ray diffraction and transmission electron microscopic techniques confirmed the nanocrystallinity of the samples,and the average sizes of the crystallites were found within 20 nm to 35 nm.The nanocrystallites exhibited specific anomalous properties,among which a prominent one is the increased lattice parameters and unit cell volumes.The optical band gaps also increased when the nanocrystallites became smaller in size.The latter aspect is attributable to the onset of quantum confinement effects,as seen in a few other metal oxide nanoparticles.Positron annihilation was employed to study the vacancy type defects,which were abundant in the samples and played crucial roles in modulating their properties.The defect concentrations were significantly larger in the samples of smaller crystallite sizes.The results suggested the feasibility of tailoring the properties of lead oxide nanocrystallites for technological applications,such as using lead oxide nanoparticles in batteries for better performance in discharge rate and resistance.It also provided the physical insight into the structural build-up process when crystallites were formed with a finite number of atoms,whose distributions were governed by the site stabilization energy. | Sk Irsad Ali Anjan Das Apoorva Agrawal Shubharaj Mukherjee Maudud Ahmed P M G Nambissan Samiran Mandal Atis Chandra Mandal | 2021 | Chinese Physics B2021，30，2： | 0 |
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