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Varsha,Arora Monika,Gambhir Monica,Prasad Vinod 한국물리학회 2023 Current Applied Physics Vol.48 No.-
Wannier-Mott (W-M) exciton is studied under the confinement of linear potential in a Spherical Quantum Dot (QD) with ionized donor hydrogenic impurity (IDHI). Using electric field excitonic transitions have been used to explore the optical properties of the above-said system. Time independent Schrödinger equation is solved numerically using effective mass approximation. The response of Absorption Coefficients (ACs) as a function of excitonic transition, electric field, and intensity of the laser field is investigated. Optical properties get drastically modified under confinement. The effect of IDHI is also studied in ACs for exciton in linear potential under spherical QD for the first time.
( Priyanka Jain ),( Saggere Muralikrishna Shasthry ),( Ashok Kumar Choudhury ),( Rakhi Maiwall ),( Guresh Kumar ),( Ankit Bharadwaj ),( Vinod Arora ),( Rajan Vijayaraghavan ),( Ankur Jindal ),( Manoj 대한간학회 2021 Clinical and Molecular Hepatology(대한간학회지) Vol.27 No.1
Background/Aims: Liver cirrhosis is an important cause of morbidity and mortality globally. Every episode of decompensation and hospitalization reduces survival. We studied the clinical profile and long-term outcomes comparing alcohol-related cirrhosis (ALC) and non-ALC. Methods: Cirrhosis patients at index hospitalisation (from January 2010 to June 2017), with ≥1 year follow-up were included. Results: Five thousand and one hundred thirty-eight cirrhosis patients (age, 49.8±14.6 years; male, 79.5%; alcohol, 39.5%; Child-A:B:C, 11.7%:41.6%:46.8%) from their index hospitalization were analysed. The median time from diagnosis of cirrhosis to index hospitalization was 2 years (0.2-10). One thousand and seven hundred seven patients (33.2%) died within a year; 1,248 (24.3%) during index hospitalization. 59.5% (2,316/3,890) of the survivors, required at least one readmission, with additional mortality of 19.8% (459/2,316). ALC compared to non-ALC were more often (P<0.001) male (97.7% vs. 67.7%), younger (40-50 group, 36.2% vs. 20.2%; P<0.001) with higher liver related complications at baseline, (P<0.001 for each), sepsis: 20.3% vs. 14.9%; ascites: 82.2% vs. 65.9%; spontaneous bacterial peritonitis: 21.8% vs. 15.7%; hepatic encephalopathy: 41.0% vs. 25.0%; acute variceal bleeding: 32.0% vs. 23.7%; and acute kidney injury 30.5% vs. 19.6%. ALC patients had higher Child-Pugh (10.6±2.0 vs. 9.0±2.3), model for end-stage liver-disease scores (21.49±8.47 vs. 16.85±7.79), and higher mortality (42.3% vs. 27.3%, P<0.001) compared to non-ALC. Conclusions: One-third of cirrhosis patients die in index hospitalization. 60% of the survivors require at least one rehospitalization within a year. ALC patients present with higher morbidity and mortality and at a younger age. (Clin Mol Hepatol 2021;27:175-185)