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RISS 인기검색어
- 검색키워드
- 저자 : ( Jay Kumar Das ) (검색결과 3 건)
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Aniruddha Mondal,Jay Chandra Dhar,P Chinnamuthu,Naorem Khelchand Singh,Kalyan Kumar Chattopadhyay,Sanat Kumar Das,Santosh Ch Das,Anirban Bhattacharyya 대한금속·재료학회 2013 ELECTRONIC MATERIALS LETTERS Vol.9 No.2
Symmetrical TiO2 nanowire (NW) arrays have been synthesized on Si by using glancing angle deposition technique. The Raman spectrum of TiO2 thin film (TF) and TiO2 NWs sample indicates the presence of both anatase and rutile phase TiO2. The electrical properties of the vertically ordered TiO2 NW arrays have been measured. The leakage current for high-k TiO2/Si capacitance reduced with the addition of TiO2 NWs on 30 nm TF. TiO2 NW dielectric was employed to achieve large conduction band offset between oxide layer and Si. A high gate capacitance has been observed due to NW effect. The barrier height between Ag/TiO2-NW interfaces was 0.9 eV and an exclusively lowest leakage current of 8.8 × 10−7 A/cm2 (at +1 V)was reported for the TiO2 NW device.
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( Dipendra Raj Pandeya ),( Bagalkot T ),( Jay Kumar Das ),( Roshan D`souza ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.-
Background: Hepatitis B virus (HBV) and hepatitis (HCV) C virus are endemic in India and have an aetiological role in acute hepatitis, 50 - 70%, of which end up with chronic liver disease. The aim of this study was to determine the prevalence of Hepatitis B virus (HBV) and Hepatitis C virus (HCV)and their dual infection among patients admitted in Tertiary care Hospital in Ahmednagar, Maharashtra Methods: This descriptive hospital based study was conducted between August 2010 to July 2011 at Tertiary care Hospital Ahmednagar, Maharashtra. The pathological research laboratory is situated in the hospital premises. All the patients who were admitted in the hospital were included in the study after taking informed consent. Three (3) ml of blood was collected in a syringe without anticoagulant from anticubital vein with all aseptic precaution. Serum was separated and screened for the presence of hepatitis B surface antigen (HBsAg) and Antibodies against Hepatitis C. The tests were performed according to the manufacturer`s instructions provided in the kit. A questionnaire was completed from all positive patients. All the information was entered in a standard form. Results: A total of 2230 patients were enrolled in the study. Out of 2230 patients 1562(70.04%) were male and 668 (29.95%) were female. All patients under went screening for HBV and HCV. Age wise distribution and seropositivity of HBV & HCV infection by age is given in table 2. Hepatitis b and Hepatitis c was present in 61 (02.37%) patients, out of these 61 patients 44 (72.13%) were male and 17 (27.86%) were female. Hepatitis B was present in 46 (02.06%) patients, Hepatitis c was present in 13(0.58%) patients and 02 (0.0089%) patients were positive for both Hepatitis B and Hepatits C. Sex wise seropositivity is given in table no. 1. The overall prevalence of HBV infection within the study period was 2.06%, HCV 0.58% and for HBV & HCV both was 0.089%. Regarding the prediposing factors, past history of surgery 17 (27.86%), Blood transfusion 22 (36.06%), Dental procedure 07 (11.47%), Injection & drug abuse 04 (06.55%), Barbar shaving 02 (03.27%), and No known risk factor 09(14.75%) were found. Conclusions: For the prevention of transmission of HBV and HCV infection, the community awareness regarding vaccination against Hepatitis B and risk factors for spread of HBV & HCV, implementation of population based screening and vaccination for HBV on large scale should be ensured.
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( Dipendra Raj Pandeya ),( Bagalkot T ),( Jay Kumar Das ),( Roshan D’souza ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.1
Background: Hepatitis B virus (HBV) and hepatitis (HCV) C virus are endemic in India and have an aetiological role in acute hepatitis, 50 - 70%, of which end up with chronic liver disease. The aim of this study was to determine the prevalence of Hepatitis B virus (HBV) and Hepatitis C virus (HCV)and their dual infection among patients admitted in Tertiary care Hospital in Ahmednagar, Maharashtra Methods: This descriptive hospital based study was conducted between August 2010 to July 2011 at Tertiary care Hospital Ahmednagar, Maharashtra. The pathological research laboratory is situated in the hospital premises. All the patients who were admitted in the hospital were included in the study after taking informed consent. Three (3) ml of blood was collected in a syringe without anticoagulant from anticubital vein with all aseptic precaution. Serum was separated and screened for the presence of hepatitis B surface antigen (HBsAg) and Antibodies against Hepatitis C. The tests were performed according to the manufacturer’s instructions provided in the kit. A questionnaire was completed from all positive patients. All the information was entered in a standard form. Results: A total of 2230 patients were enrolled in the study. Out of 2230 patients 1562(70.04%) were male and 668 (29.95%) were female. All patients under went screening for HBV and HCV. Age wise distribution and seropositivity of HBV & HCV infection by age is given in table 2. Hepatitis b and Hepatitis c was present in 61 (02.37%) patients, out of these 61 patients 44 (72.13%) were male and 17 (27.86%) were female. Hepatitis B was present in 46 (02.06%) patients, Hepatitis c was present in 13(0.58%) patients and 02 (0.0089%) patients were positive for both Hepatitis B and Hepatits C. Sex wise seropositivity is given in table no. 1. The overall prevalence of HBV infection within the study period was 2.06%, HCV 0.58% and for HBV & HCV both was 0.089%. Regarding the prediposing factors, past history of surgery 17 (27.86%), Blood transfusion 22 (36.06%), Dental procedure 07 (11.47%), Injection & drug abuse 04 (06.55%), Barbar shaving 02 (03.27%), and No known risk factor 09(14.75%) were found. Conclusions: For the prevention of transmission of HBV and HCV infection, the community awareness regarding vaccination against Hepatitis B and risk factors for spread of HBV & HCV, implementation of population based screening and vaccination for HBV on large scale should be ensured.
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