Browsing by Author "Chaudhuri, U"
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Item Changing scenario of transfusion-related viral infections.(2002-07-20) Hazra, S C; Chatterjee, S; Das Gupta, S; Chaudhuri, U; Jana, C K; Neogi, D KOBJECTIVE: To study the changing incidence of blood transfusion-related viral infections consequent to compulsory screening of blood and greater awareness of the problem, over the last five years. METHODS: This is a cross-sectional study carried out at Medical College, Calcutta. Three groups each consisting of 100 subjects were selected for this study. Group A comprised multiple transfused patients who have also received transfusion before 1995. Group B comprised patients who had received transfusions only since 1995. Group C comprised of control patients who have never been transfused. The incidence of HBsAg +ve, anti-HCV +ve and HIV +ve cases were calculated and expressed as percentages and compared using the chi square test. RESULTS: The incidences of HBsAg +ve and anti-HCV +ve cases in the three groups were 20% and 16% in Group A, 7% and 6% in Group B and 4% and 2% in Group C. The difference between Group A and Group B were statistically significant. CONCLUSION: The incidence of HBsAg and anti-HCV positive cases among the multi-transfused has decreased over the last five years.Item Characterization of escherichia coli DNA by hydroxyapatite column, electron microscopy and viscosity.(1972-09-01) Dhar, A; Das, G C; Chaudhuri, UItem Interaction of chlorpromazine with hemoglobin.(1990-08-01) Bhattacharyya, M; Chaudhuri, U; Poddar, R KBinding of chlorpromazine (CPZ), a widely used antidepressant tranquilizer, with hemoglobin has been studied by equilibrium dialysis method. r/Cf versus r plot was typically concave downwards revealing the positive cooperative nature of binding. Binding parameters, namely the affinity constant (K) and the degree of cooperativity (nH) were determined from the Hill plot. Oxygen was found to be released gradually from hemoglobin with gradual addition of CPZ, the extent of oxygen release depending on the stoichiometric ratio of CPZ: hemoglobin (D/P).Item Isocitrate lyase from Aspergillus terreus IRRL 16043.(1980-07-01) Chaudhuri, U; Sen, KItem Solitary plasmacytoma of the skull bone.(2002-02-01) Das, T; Chaudhuri, USolitary plasmacytoma of the bone is an uncommon variety of plasma cell tumour. Here an interesting case of solitary plasmacytoma of the skull bone, which is extremely rare, is being reported.