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Search Results: 1 - 10 of 189876 matches for " G. Vinodkumar "
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Antibiogram of mastitis pathogens in the milk of crossbred cows in Namakkal district, Tamil Nadu
M. Jeykumar,G. Vinodkumar,Bimal P. Bashir,Sudhakar Krovvidi
Veterinary World , 2013, DOI: 10.5455/vetworld.2013.354-356
Abstract: Aim: The present study was undertaken to ascertain the prevalence and drug sensitivity pattern of causative agents of mastitis in and around Namakkal, Tamilnadu, India. Materials and Methods: A total of 74 milk samples were collected and bacterial isolates from 72 samples were obtained and subjected to in-vitro chemotherapeutic sensitivity test. Results: Out of 72 samples, 32 (44.44%) were found positive for Staphylococci species, 4 (5.5%) for Streptococci species, 30 (41.66%) for E.coli and 6 (8.33%) for Klebsiella species. The drug sensitivity test performed irrespective of isolates, revealed sensitivity of organisms to various antibiotics and none of the isolates were found to be sensitive to penicillin G. Conclusion: Enrofloxacin was found to be more effective antibiotic among all the tested antibiotics. [Vet World 2013; 6(6.000): 354-356]
Leptospires in field Rats in and around the laboratory animal facilities of Banglore, India
G. Vinodkumar,Y. B. Rajeshwari,Shivaraj,U. Krishnamoorthy
Veterinary World , 2011,
Abstract: The present study was undertaken to determine the prevalence of leptospires in field rats in and around laboratory animal facilities in Bangalore. 34 rats were trapped alive in and around the laboratory animal facilities in Bangalore. Urine and serum samples from theses field rats were collected. Serum samples were tested for anti-leptospiral antibodies by microscopic agglutination test, while urine samples were subjected for dark field microscopy and polymerase chain reaction to detect the presence of leptospiral antigens. Serology revealed the presence of antileptospiral antibodies in 19 (61.29 percent) field rats and dark field microscopy revealed the presence of leptospiral antigens in 3 (8.82 percent) and 6 (17.65 percent) of urine samples of these field rats. Among the serovars, Icterohaemorrhagiae was predominant followed by Autumnalis and Pyrogens. Serology dark field microscopy and polymerase chain reaction reveals that field rats are major natural carriers and shedders of leptospires. [Vet. World 2011; 4(9.000): 410-412]
Change in spectrum of microbial aetiology in relation to gestational age and birth weight and emergence of esbl in tertiary neonatal intensive care units
VinodKumar C S,Kalappanavar NK , Umakanth Patil , Basavarajappa K G
International Journal of Biological and Medical Research , 2011,
Abstract: Septicemia continues to be a major cause of neonatal mortality and morbidity worldwide. Aim: To study the incidence, microbial profile and emergence of extended spectrum beta lactamases mediated resistance (ESBL) in neonatal septicemia in relation to gestational age and birth weight. This is a prospective study of 1647 babies suspected of neonatal septicemia based on symptomatology and clinical diagnosis. Evaluated data included: age, sex, birth weight, type of isolated pathogen, and antibiotic sensitivity. Gram negative bacteria were the predominant organisms to be isolated. Klebsiella spp 232 (26.5%) was the predominant organism followed by E. coli 92(10.5%), and Acinetobacter 54(6.2%). Among Gram-positive bacteria, Staphylococcus aureus 176 (20.1%) was the predominant followed by coagulase negative Staphylococci 118(13.6%). Preterm babies were highly significantly more susceptible to infection than term babies (61.9% vs 40.4%; P<0.001). Klebsiella sps is the predominant organism (36.7% & 23.8%) isolated among both preterm male and female babies followed by Staphylococcus aureus (14.4% & 14.7%). Among term babies Staphylococcus aureus (32.6%) was the predominant among the male babies followed by E.coli (23.5%) and Staphylococcus aureus (33.3%) was the predominant among female babies followed by CoNS (26.9%). Among the low birth weight babies, Klebsiella sps was isolated in 41.9% and in normal weight babies, Staphylococcus aureus (42.9%) was the predominant among the male babies and Klebsiella sps (32.3%) was the predominant among female babies Multidrug resistant organisms were found to be most pathogenic. 32.8% of gram negative bacilli were ES L producer Klebsiella pneumoniae was the predominant ES L producer 47(43.9%) followed by E.coli 15 (14.0), and Pseudomonas aeruginosa 11(10.3%). AmpC production was seen in 18 (6.2%) of the isolates
Peri-Operative Hearing Impairment  [PDF]
Vinodkumar Singh, Ayush Sinha, Rashmi Madan
Open Journal of Anesthesiology (OJAnes) , 2012, DOI: 10.4236/ojanes.2012.24039
Abstract: Peri-operative hearing impairment is a poorly reported morbidity following any type of anaesthesia. We report a case where the patient developed temporary hearing impairment after a gynaecological surgery. This recovered in a couple of week time. The causes of such hearing impairment in various types of anaesthesia are discussed.
VinodKumar Chickmagalure Shivaswamy,N. K. Kalappanvar,K. G. Basavarajappa,Sanjay D
International Journal of Biomedical and Advance Research , 2012, DOI: 10.7439/ijbar.v3i8.713
Existence Results for Stochastic Semilinear Differential Inclusions with Nonlocal Conditions
A. Vinodkumar,A. Boucherif
International Journal of Stochastic Analysis , 2011, DOI: 10.1155/2011/784638
Abstract: We discuss existence results of mild solutions for stochastic differential inclusions subject to nonlocal conditions. We provide sufficient conditions in order to obtain a priori bounds on possible solutions of a one-parameter family of problems related to the original one. We, then, rely on fixed point theorems for multivalued operators to prove our main results. 1. Introduction We investigate nonlocal stochastic differential inclusions (SDIns) of the form where , , are real numbers, is a single-valued function, and is multivalued map. The importance of nonlocal conditions and their applications in different field have been discussed in [1–3]. Existence results for semilinear evolution equations with nonlocal conditions were investigated in [4–7], and the case of semilinear evolution inclusions with nonlocal conditions and a nonconvex right-hand side was discussed in [8]. Stochastic differential equations (SDEs) play a very important role in formulation and analysis in mechanical, electrical, control engineering and physical sciences, and economic and social sciences. See for instance [9–12] and the references therein. So far, very few articles have been devoted to the study of stochastic differential inclusions with nonlocal conditions, see [13–15] and the references therein. Our objective is to contribute to the study of SDIns with nonlocal conditions. Motivated by the above-mentioned works and using the technique developed in [11, 16, 17], we study the SDIns of the form (1.1). The paper is organized as follows: some preliminaries are presented in Section 2. In Section 3, we investigate the existence of mild solutions for SDIns by using fixed point theorems for Kakutani maps. Finally in Section 4, we give an application to our abstract result. 2. Preliminaries Let , be real separable Hilbert spaces and be the space of bounded linear operators mapping into . For convenience, we will use to denote inner product of and and to denote norms in , , and without any confusion. Let be a complete filtered probability space such that contains all -null sets of . An -valued random variable is an -measurable function and the collection of random variables is called a stochastic process. Generally, we just write instead of and is the space of . Let be a complete orthonormal basis of . Suppose that is a cylindrical -valued Wiener process with finite trace nuclear covariance operator , denote , which satisfies . Actually, , where are mutually independent one-dimensional standard Wiener processes. We assume that is the -algebra generated by and . Let and define If ,
Ensemble lagged forecasts of a monsoon depression over India using a mesoscale model
Atmósfera , 2007,
Abstract: a monsoon depression formed over the bay of bengal, india, during 27 july 1999 and crossed the east coast of india on 28 july 1999. the system caused copious rainfall over the east coast of india and adjacent regions and is investigated in this study using ensemble lagged methods with the pennsylvania state university/ national center for atmospheric research (psu/ncar) fifth generation mesoscale model (mm5). two sets of experiments are designed with five members of ensembles in each set starting at 12 utc 25 july 1999 and at preceding times separated by 3 hour intervals. in the first experiment, the national center for environmental prediction (ncep) reanaly sis data is utilized in the forecast of a coarse grid spacing domain and subsequent nest down to a finer (30 km) grid spacing domain. in the second experiment, the ncep reanalysis data is directly utilized in the 30 km domain as initial/boundary conditions. the results of the ensemble average of both experiments are compared with the analysis and observations. it is found that at the initial times of verification, the ensemble average of the sea level pressure field corresponding to the second experiment has a larger horizontal structure and is more closer to ncep reanalysis. however at later times of verification, the ensemble average of sea level pressure field corresponding to the first experiment is found to be better. the area averaged 24 hour accumulated precipitation of all the ensemble members have higher values corresponding to the first experiment as compared to the second experiment. also, the spread of the area averaged 24 hour accumulated precipitation of all the ensemble members with respect to their respective ensemble average are higher for the first experiment as compared to the second experiment. the results of the study would be useful to operational weather forecasting centers in india as it would provide them different evaluating ways to develop and test the importance of ensembles.
A characterization of pseudocompactness
Prabduh Ram Misra,Vinodkumar
International Journal of Mathematics and Mathematical Sciences , 1981, DOI: 10.1155/s0161171281000264
Abstract: It is proved here that a completely regular Hausdorff space X is pseudocompact if and only if for any continuous function f from X to a pseudocompact space (or a compact space) Y, f* is z-ultrafilter whenever is a z-ultrafilter on X.
A characterization of pseudocompactness
P. R. Misra,Vinodkumar
International Journal of Mathematics and Mathematical Sciences , 1982, DOI: 10.1155/s0161171282000787
Acinetobacter septicaemia in neonates
Vinodkumar C,Neelagund Y
Indian Journal of Medical Microbiology , 2004,
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