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Search Results: 1 - 10 of 133552 matches for " Jain V "
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Study on Clinico-Laboratory Profile of Children with Scrub Typhus
N Jain,V Jain
Journal of Nepal Paediatric Society , 2012, DOI: 10.3126/jnps.v32i2.5683
Abstract: Scrub typhus is an acute, febrile, infectious illness caused by Orientia (formerly Rickettsia) tsutsugamushi,an obligate intracellular gram-negative bacterium. Humans are accidental hosts in this zoonotic disease.The present retrospective study describes clinical profile of the children hospitalized in hospital with Scrub Typhus infection during period 2010-2011. 19 hospitalized children with clinical features suggestive of Rickettsial disease (fever, generalized rash) who tested ELISA positive for IgM against Scrub Typhus were included in the present study between the age of 1 years and 15 years. All children presented with fever (100%). 42.10% had lymphadenopathy, 47.36% had eschar and 57.89% patients had cough. 26.31, 21.05%, 10.52%, had hepatomegaly, pain abdomen, and respiratory distress and gastrointestinal bleed respectively. All of the children were investigated and treated with as per protocol. None of them died. We think that Rickettsial infection is not quite common in this region but study showed that it is not an uncommon entity and thus, high degree of suspicion, knowledge of geographical distribution and clinical features of Rickettsial disease helps in its early diagnosis and treatment. J Nepal Paediatr Soc 2012;32(2):187-192 doi: http://dx.doi.org/10.3126/jnps.v32i2.5683
An Augmented Framework for Formal Analysis of Safety Critical Systems  [PDF]
Monika Singh, V. K. Jain
Journal of Software Engineering and Applications (JSEA) , 2017, DOI: 10.4236/jsea.2017.108039
Abstract: This paper presents an augmented framework for analyzing Safety Critical Systems (SCSs) formally. Due to high risk of failure, development process of SCSs is required more attention. Model driven approaches are the one of ways to develop SCSs for accomplishing critical and complex function what SCSs are supposed to do. Two model driven approaches: Unified Modeling Language (UML) and Formal Methods are combined in proposed framework which enables the analysis, designing and testing safety properties of SCSs more rigorously in order to reduce the ambiguities and enhance the correctness and completeness of SCSs. A real time case study has been discussed in order to validate the proposed framework.
Education in MEMS
Jain V
IETE Technical Review , 2007,
Abstract: The next revolution in silicon technology is presently due to the development of micro-electromechanical systems (MEMS). The power of the chips will not be limited simply to store and process the information. Incorporation of new type of functionality on the chip is making the structures to sense, act, and communicate as well. To fabricate MEMS devices, existing facilities for ICs fabrication is not sufficient, some more facilities have to be added, like bulk and surface micromachining, dry etching, integration of electronic, new type of packaging facilities and many others. Several devices are now produced and sold in very large quantities, for example, silicon accelerometers and pressure sensors for automotive. Due to the rapid growth of this technology, the demand has increased for qualified engineers having expertise in this technology. It is clear that there will be a huge demand in the next few years. For this reason, companies are taking qualified employees from other fields like mechanical, electrical and precision engineering to meet their demand for research and development. These engineers have to be trained on the job with regard to micro systems technology (MST) specific needs. The translation of MST from development into application and then to mass production requires not only engineers, but also skilled workers with a specific practical training. The educational institutions need to set up appropriate infrastructure, have trained teachers, fully equipped laboratories as well as training and teaching materials has to be made available. The teaching of MEMS must be moved to many education centers on a wide interdisciplinary basis which requires the extension of the basic knowledge of scientists of micro technologies, material science developed by physicists, chemists, biologists, and engineering sciences.
Performance Comparison of PIN and APD based FSO Satellite Systems for various Pulse Modulation Schemes in Atmospheric Turbulence  [PDF]
Pooja Gopal, V. K. Jain, Subrat Kar
Communications and Network (CN) , 2013, DOI: 10.4236/cn.2013.53B2038

In this paper, the performance of various Pulse Position Modulation (PPM) schemes has been analysed for PIN and APD receivers in the presence of atmospheric turbulence. It is observed that the performance of the APD receiver is always better than that of the PIN receiver as expected. Among the various modulation schemes, the performance of Differential Amplitude PPM (DAPPM) scheme with more number of amplitude levels is better than that of the other schemes for the same single level peak amplitude. Further, the optimum gain of APD receiver does not change substantially for different modulation schemes and turbulent conditions.

Nail patela elbow syndrome
Jain V,Dixit V,Jain Rama
Indian Journal of Dermatology, Venereology and Leprology , 1990,
Abstract: A 15 year old male having nail-patella elbow syndrome presented with deficient nail with pterygium formation rudimentry patellae, iliac horn, increased carrying angle of elbow joints and thickened ribs. Family history was suggestive of autosomal dominant inheritance.
Dicyclomine-loaded Eudragit -based Microsponge with Potential for Colonic Delivery: Preparation and Characterization
V Jain, R Singh
Tropical Journal of Pharmaceutical Research , 2010,
Abstract: Purpose: The purpose of this work was to develop a prolonged microsponge drug delivery system containing dicyclomine. Methods: Dicyclomine-loaded, Eudragit-based microsponges were prepared using a quasi-emulsion solvent diffusion method. The compatibility of the drug with formulation components was established by differential scanning calorimetry (DSC) and Fourier transform infra-red (FTIR). Process parameters were modulated to optimise the formulation. Shape and surface morphology of the microsponges were examined using scanning electron microscopy. Results: The results of compatibility tests showed that no chemical interaction or changes took place during preparation of the formulations; furthermore, the drug was stable in all the formulations. In increase in drug:polymer ratio resulted in a reduction in the release rate of the drug from the microsponges. Kinetic analysis showed that the main mechanism of drug release was by Higuchi matrixcontrolled diffusion. Drug release was bi-phasic with an initial burst effect with 16 – 30 % of the drug was released in the first hour. Cumulative release for the microsponges over 8 hours ranged from 59 - 86 %. Conclusion: This study presents an approach for the modification of microsponges for prolonged drug release of dicyclomine. The unique compressibility of microsponges can be applied to achieve effective local action since microsponges may be taken up by macrophages present in colon.
Performance Analysis of BPPM and M -ary PPM Optical Communication Systems in Atmospheric Turbulence
Singh Jagtar,Jain V
IETE Technical Review , 2008,
Abstract: In last few years, the demand for bandwidth has been increasing exponentially. Installation of high bandwidth media like optical fiber has, of course, provided a good backbone, but still the projects like fiber-to-the-home (FTTH) find the bottleneck problem at the user ends. Free-space optical (FSO) communication can be a potential solution to this problem. FSO has received considerable attention in the recent few years. Although FSO has the -capability to provide extremely high speed communication, but it also has some problems associated with it. In this paper, performance of FSO system, working under weak and strong turbulence scenarios, has been compared in terms of their bit error rates (BERs). The modulation schemes considered are binary pulse position modulation (BPPM) and M -ary pulse position modulation ( M -ary PPM). The photodetector used is an avalanche -photodiode (APD). The comparison of performance in weak and strong turbulence for either system clearly brings the requirement of additional signal photons as the turbulence level increases. The results obtained in the paper also show the suitability of BPPM over M -ary PPM in strong turbulent environment. Further, optimum gain of APD to achieve minimum probability of error in the turbulent environment is given.
Comparative Study of Topical Terbinafine and Topical Ketoconazole in Pityriasis Versicolor
Chopra Vipul,Jain V
Indian Journal of Dermatology, Venereology and Leprology , 2000,
Abstract: Fifty patients suffering from pityriasis versicolor were treated with either 2% ketoconazole cream (25 patients) or 1% terbinafine cream (25 patients). Diagnosis was confirmed by microscopic potassium hydroxide (KOH) examination and either of the cream was applied once daily for a duration of 2 weeks. Global assessment was done at the end of treatment with mycological and clinical cure rate of 88% and 96% in ketoconazole and terbinafine treated groups respectively. After a follow up of 3 months the relapse in ketoconazole group was 13.53% and 8.33% in terbinafine group with no side effects.
Solitary mastocytoma in an adult
Jain V,Dayal S
Indian Journal of Dermatology, Venereology and Leprology , 1997,
Abstract: A 24-year old female developed late onset solitary mastocytoma on the left forearm. She complained of intense pruritus off and on which was not associated with flushing of face and blister formation over the nodule. Darier′s sign was positive. Excisional biopsy was done and histopathology confirmed the diagnosis.
Griseofulvin therapy in acne vulgaris
Dayal Surabhi,Jain V
Indian Journal of Dermatology, Venereology and Leprology , 1997,
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