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Assessment of groundwater quality with special emphasis on nitrate contamination in parts of Gautam Budh Nagar district,Uttar Pradesh, India

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Acta Geochimica 2019年第5期38卷 703-717页

作者： meenu agarwal Meenakshi Singh Jakir Hussain Galgotias University Plot No.2Sector 17-A Yamuna ExpresswayGreater NoidaGautam Budh NagarUttar PradeshIndia National River Water Quality Laboratory Central Water CommissionNew Delhi 110016India

Progressive developments in industrial and agricultural activities are causing a critical stress on groundwater quality in developing *** objective of this paper is to assess and evaluate the contamination level of groundwater caused by leachate in 11 villages of the Gautam Budh Nagar district in Uttar Pradesh,*** systematically sampled 22 groundwater samples and 13 leachate samples to ascertain the source of pollution on groundwater *** standard analytical methods given by the American Public Health Association(APHA)(Standard methods for examination of water and wastewater,23rd ***,AWWA,WPCF,Washington,2017)were used for quantitative estimation of hydrochemical parameters of collected *** results of the analysis of groundwater samples indicate that pH values range from 7.31 to *** mean magnesium concentration in groundwater samples is 58.93±21.44 mg/*** of the groundwater samples taken,approximately 41%and 73%of samples analysis results have been found beyond the acceptable limit with respect to the parameters of turbidity and total dissolved solids,respectively,according to the Bureau of Indian Standards(Indian standard specification for drinking water(IS:10500).BIS,Manak Bhawan,New Delhi,2012)for drinking *** 95.4%of groundwater samples and 92.3%of leachate samples have high nitrate concentrations above the standard limit of BIS(45 mg/L),*** Piper plot shows that 50%of the samples belong to the Ca^2+-Mg^2+-HCO3^-*** and Durov's diagrams indicate that the mean concentrations of ions are in the order of Na^+>Mg^2+>Ca^2+>K^+(for cations)and HCO3^->NO3^->C1^->SO42^->CO32^->F-(for anions)in groundwater of the study *** spatial variation of the hydrochemical parameters shows that groundwater is heavily contaminated with respect to *** results indicate that the groundwater of villages Achheja,Bisrakh road,Dujana,Badalpur and Sadopur is not suitable for drinking.

关键词： Leachate Hydrochemical parameters Piper plot Ternary and Durov's diagram Spatial variation

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Feasibility and efficacy of gentamicin for treating neonatal sepsis in community-based settings:a systematic review

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世界儿科杂志:英文版 2016年第4期12卷 408-414页

作者： Nishant Jaiswal meenu Singh Ritika Kondel Navjot Kaur Kiran K.Thumburu Ajay Kumar Harpreet Kaur Neelima Chadha Neeraj Gupta Amit agarwal Samir Malhotra Nusrat Shafiq ICMR Advanced Centre for Evidence Based Child Health Postgraduate Institute of Medical Education and ResearchChandigarhIndia Department of Pharmacology Postgraduate Institute of Medical Education and ResearchChandigarh160012India Department of Pediatrics Postgraduate Institute of Medical Education and ResearchChandigarhIndia Dr.Tulsi Das Library Postgraduate Institute of Medical Education and ResearchChandigarhIndia Department of Library University Business SchoolPunjab UniversityChandigarhIndia Department of Pediatrics AIIMSJodhpurRajasthanIndia

Background:Neonatal sepsis is a leading cause of neonatal deaths in developing *** current recommended in-hospital treatment is parenteral ampicillin(or penicillin)and gentamicin in young infants for 10-14 days;however,very few could access and *** current review is to evaluate the feasibility of gentamicin in community based ***:Both observational and randomized controlled trials were ***,Embase,Cochrane Central Register of Controlled Trials and Central Trial Register of India were searched until September *** assessed the risk of bias by Cochrane Collaboration’s"risk of bias"***:Two observational studies indicated feasibility ensuring coverage of population,decrease in case fatality rate in the group treated by community health *** an RCT,no significant difference was observed in the treatment failure rates[odds ratio(OR)=0.88],and the mortality in the first and second week(OR=1.53;OR=2.24)between gentamicin and ceftriaxone *** the gentamicin group,the combination of penicillin and gentamicin showed a lower rate of treatment failure(OR=0.44)and mortality at second week of life(OR=0.17)as compared to the combination of gentamicin and oral ***:Gentamicin for the treatment of neonatal sepsis is both feasible and effective in community-based settings and can be used as an alternative to the hospitalbased care in resource compromised *** there was less evidence in the management of neonatal sepsis in hospitals as was seen in this review in which we included only one RCT and three observational studies.

关键词： gentamicin neonatal sepsis neonates

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Performance evaluation of NeuMoDx 96 system for hepatitis B and C viral load

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World Journal of Virology 2023年第4期12卷 233-241页

作者： Gagan Chooramani Jasmine Samal Nitiksha Rani Gaurav Singh Reshu agarwal meenu Bajpai Manoj Kumar Manya Prasad Ekta Gupta Department of Clinical Virology Institute of Liver&Biliary SciencesNew Delhi 110070India Department Transfusion Medicine Institute of Liver&Biliary SciencesNew Delhi 110070India Department of Hepatology Institute of Liver and Biliary SciencesNew Delhi 110070India Department of Epidemiology and Clinical Research Institute of Liver and Biliary SciencesNew Delhi 110070India

BACKGROUND Hepatitis B virus(HBV)and hepatitis C virus(HCV)viral load(VL)estimation is essential for the management of both HBV and HCV *** to a longer turnaround time for VL estimation,many patients drop out from the cascade of *** achieve the global goals of reducing morbidity and mortality due to HBV/HCV and moving towards their elimination by 2030,molecular diagnostic platforms with faster and random(*** sample)access are *** To evaluate the performance of the recently launched NeuMoDx 96 random access system with the conventional COBAS^(■)AmpliPrep/COBAS TaqMan system for HBV and HCV VL *** Archived once-thawed plasma samples were retrieved and tested on both *** between the assays was determined by linear regression and Bland-Altman *** study included samples from 186 patients,99 for HBV of which 49 were true infected HBV cases(hepatitis B surface antigen,antihepatitis B core antibody,and HBV DNA-positive)and 87 for HCV assay in which 39 were true positives for HCV infection(anti-HCV and HCV RNA-positive).RESULTS The median VL detected by NeuMoDx for HBV was 2.9(interquartile range[IQR]:2.0-4.3)log_(10)IU/mL and by COBAS it was 3.70(IQR:2.28-4.56)log_(10)IU/mL,with excellent correlation(R2=0.98).In HCV,the median VL detected by NeuMoDx was 4.9(IQR:4.2-5.4)log_(10)IU/mL and by COBAS it was 5.10(IQR:4.07-5.80)log_(10)IU/mL with good correlation(R2=0.96).CONCLUSION The overall concordance between both the systems was 100%for both HBV and HCV VL ***,no genotype-specific bias for HBV/HCV VL quantification was seen in both the *** findings reveal that NeuMoDx HBV and HCV quantitative assays have shown overall good clinical performance and provide faster results with 100%sensitivity and specificity compared to the COBAS AmpliPrep/COBAS TaqMan system.

关键词： Hepatitis B Hepatitis C NeuMoDx Random access Viral load COBAS AmpliPrep

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