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Search Results: 1 - 10 of 14306 matches for " Jaya Singh "
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Effect of bioactive compounds extracted from euphorbious plants on hematological and biochemical parameters of Channa punctatus
Shahi, Jaya;Singh, Ajay;
Revista do Instituto de Medicina Tropical de S?o Paulo , 2011, DOI: 10.1590/S0036-46652011000500004
Abstract: channa punctatus was exposed to four different concentrations of rutin, taraxerol and apigenin. changes in some hematological parameters of channa punctatus were assessed to determine the influence of these compounds on test fish. fish were exposed to sublethal concentrations (80% of lc50 of 24h) of these compounds for one week. control fish were also administered for one week. thereafter, blood samples were obtained from the control and experimental fish. blood was assayed for selected hematological parameters (hematocrit, hemoglobin, red blood cell count, white blood cell count total plasma protein and plasma glucose concentration). the derived hematological indices of mean corpuscular hemoglobin concentration (mchc), mean corpuscular hemoglobin (mch) and mean corpuscular volume (mcv) were calculated. sublethal concentrations of these compounds caused a dose dependent decrease in hemoglobin values coupled with a decrease in hematocrit values and red blood cell counts are an obvious indication of anemia. the total white blood cell counts and the differential white blood cell counts were decreased except for the lymphocytes, where there was a slight increase. plasma protein and glucose were also lower in exposed fish when compared with control. the hematological indices mch, mchc, mcv were also lowered. the result from this study reveals high mortality rate and deleterious consequences on the health of fish subjected to acute exposure of rutin, taraxerol and apigenin and therefore, should not be used directly in aquaculture without having the proper knowledge.
Standardization of production of mycoherbicidal agent Colletotrichum dematium FGCC# 20 by solid substrate fermentation
JAYA SINGH and A.K. PANDEY
Indian Phytopathology , 2011,
Abstract: The aim of the present study is to select a suitable, cheaper and easily available agro-waste substrate for mass production of mycoherbicidal agent Colletotrichum dematium FGCC# 20, which is a highly effective bioherbicidal agent against Parthenium hysterophorous. The outcome of the study indicates that, pretreated sugarcane bagasse supported maximum mycelia coverage while maize cob grits supported maximum sporulation and cause maximum seedling mortality.
Synthesis, Structure and Electric Transport Properties of Sr3NbCrO7
Veer Singh,Jaya Dwivedi,Indu Bhushan Sharma
Journal of Materials Science Research , 2012, DOI: 10.5539/jmsr.v2n1p148
Abstract: A new phase with the composition Sr3NbCrO7 has been synthesised by the traditional ceramic method. X-ray diffraction studies show that the phase crystallizes in the RP-type (n =2) structure with tetragonal unit cell (a = 3.994 and c = 21.015 ) in the space group I4/mmm. The electrical resistivity measurements as a function of temperature suggest that the phase is insulator in nature in the temperature range 10-300 K and the conduction occurs by 3D hopping mechanism.
Traditional Phytotherapy of Some Medicinal Plants Used by Tharu and Magar Communities of Western Nepal, Against Dermatological Disorders
Anant Gopal Singh,Jaya Prakash Hamal
Scientific World , 2013, DOI: 10.3126/sw.v11i11.8558
Abstract: Scientific World, Vol. 11, No. 11, July 2013, page 81-89 DOI: http://dx.doi.org/10.3126/sw.v11i11.8558
Rock Mass Rating and Geological Strength Index of rock masses of Thopal-Malekhu River areas, Central Nepal Lesser Himalaya
Jaya Laxmi Singh,Naresh Kazi Tamrakar
Bulletin of the Department of Geology , 2013, DOI: 10.3126/bdg.v16i0.8882
Abstract: The rock slopes of the Thopal-Malekhu River areas, Lesser Himalaya, were characterized applying various systems of rock mass classification, such as Rock mass Rating (RMR) and Geological Strength Index (GSI), because the study area comprises well exposed rock formations of the Nawakot and Kathmandu Complexes, across the Thopal-Malekhu River areas. In RMR system, mainly five parameters viz. Uniaxial Compressive Strength (UCS) of rock, Rock Quality Designation (RQD), spacing of discontinuity, condition of discontinuity, and groundwater condition were considered. The new GSI charts, which were suitable for schistose and much disintegrated rock masses, were used to characterize rock slopes based on quantitative analysis of the rock mass structure and surface condition of discontinuities. RMR ranged from 36 to 82 (poor to very good rock mass) and GSI from 13.5±3 to 58±3 (poor to good rock mass). Slates (of the Benighat Slate) are poor rock masses with low strength, very poor RQD, and close to very close spacing of discontinuity, and dolomites (Dhading Dolomite) are fair rocks with disintegrated, poorly interlocked, and heavily broken rock masses yielding very low RMR and GSI values. Phyllites (Dandagaun Phyllite), schist (Robang Formation) and quartzite (Fagfog Quartzite, Robang Formation and Chisapani Quartzite), dolomite (Malekhu Limestone), and metasandstone (Tistung Formation) are fair rock masses with moderate GSI and RMR values, whereas quartzose schist and gneiss (Kulekhani Formation) are very good rock masses having comparatively higher RMR and GSI. The relationship between GSI and RMR shows positive and good degree of correlation. DOI: http://dx.doi.org/10.3126/bdg.v16i0.8882 ? Bulletin of the Department of Geology Vol. 16, 2013, pp. 29-42
Production and extraction of phytotoxins from Colletotrichum dematium FGCC# 20 effective against Parthenium hysterophorus L.
Singh, Jaya;Quereshi, Sadaf;Banerjee, Nikita;Pandey, Akhilesh Kumar;
Brazilian Archives of Biology and Technology , 2010, DOI: 10.1590/S1516-89132010000300023
Abstract: the aim of this work was to study the herbicidal potential of cell free culture filtrate of colletotrichum dematium fgcc#20 against parthenium by employing different bioassays i.e. shoot-cut, seedling, detached leaf and seed germination. on solvent extraction of the cell free culture filtrate, ethyl acetate extracted fraction showed the presence of phytotoxic moiety.
Cutaneous anthrax with secondary infection
Sridhar M,Chandrashekhar P,Jaya Singh R,Bhaskar C
Indian Journal of Dermatology, Venereology and Leprology , 1991,
Abstract: A case of cutaneous anthrax with pus formation and with pain and tenderness in local lesion is reported. The lesion appeared 40 days after handling of anthrax-infected animal. The lesion was fairly large and irregular. The patient was treated with oral chloramphenicol and the lesion healed in about 60 days.
99mTc-DMSA (V) in Evaluation of Osteosarcoma: Comparative Studies with 18F-FDG PET/CT in Detection of Primary and Malignant Lesions
G. P. Bandopadhyaya,Priyanka Gupta,Archana Singh,Jaya Shukla
ISRN Oncology , 2012, DOI: 10.5402/2012/371830
Abstract:
Quantitative PCR in Epidemiology for Early Detection of Visceral Leishmaniasis Cases in India
Medhavi Sudarshan,Toolika Singh,Abhishek Kumar Singh,Ankita Chourasia,Bhawana Singh,Mary E. Wilson,Jaya Chakravarty,Shyam Sundar
PLOS Neglected Tropical Diseases , 2014, DOI: 10.1371/journal.pntd.0003366
Abstract: Introduction Studies employing serological, DTH or conventional PCR techniques suggest a vast proportion of Leishmania infected individuals living in regions endemic for Visceral Leishmaniasis (VL) remain asymptomatic. This study was designed to assess whether quantitative PCR (qPCR) can be used for detection of asymptomatic or early Leishmania donovani infection and as a predictor of progression to symptomatic disease. Methods The study included 1469 healthy individuals living in endemic region (EHC) including both serology-positive and -negative subjects. TaqMan based qPCR assay was done on peripheral blood of each subject using kDNA specific primers and probes. Results A large proportion of EHC 511/1469 (34.78%) showed qPCR positivity and 56 (3.81% of 1469 subjects) had more than 1 calculated parasite genome/ml of blood. However, the number of individuals with parasite load above 5 genomes/ml was only 20 (1.36% of 1469). There was poor agreement between serological testing and qPCR (k = 0.1303), and 42.89% and 31.83% EHC were qPCR positive in seropositive and seronegative groups, respectively. Ten subjects had developed to symptomatic VL after 12 month of their follow up examination, of which eight were initially positive according to qPCR and among these, five had high parasite load. Discussion Thus, qPCR can help us to detect significant early parasitaemia, thereby assisting us in recognition of potential progressors to clinical disease. This test could facilitate early intervention, decreased morbidity and mortality, and possibly interruption of disease transmission.
Some New Estimators of Integrated Volatility  [PDF]
Jaya P. N. Bishwal
Open Journal of Statistics (OJS) , 2011, DOI: 10.4236/ojs.2011.12008
Abstract: We develop higher order accurate estimators of integrated volatility in a stochastic volatility models by using kernel smoothing method and using different weights to kernels. The weights have some relationship to moment problem. As the bandwidth of the kernel vanishes, an estimator of the instantaneous stochastic volatility is obtained. We also develop some new estimators based on smoothing splines.
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