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Search Results: 1 - 10 of 211 matches for " Piyush Choudalwar "
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Abamectin: an uncommon but potentially fatal cause of pesticide poisoning
Y. V. Bansod,Sandeep V. Kharkar,Arshish Raut,Piyush Choudalwar
International Journal of Research in Medical Sciences , 2013, DOI: 10.5455/2320-6012.ijrms20130826
Abstract: Human intoxication with abamectin is not frequently reported. It is an uncommon but potentially fatal cause of pesticide poisoning. In contrast to common organophosphate poisoning the toxic effects of avermectin in humans are not clearly defined. Ingestion of a large dose of avermectin may be associated with life-threatening complications. The therapy for avermectin poisoning is mainly symptomatic and supportive. The prognosis of patients with avermectin poisoning is likely to be favorable unless they are complicated by severe hypotension or aspiration. We hereby report a case with abamectin poisoning with neurological toxicity and respiratory failure which responded to supportive line of therapy. [Int J Res Med Sci 2013; 1(3.000): 285-286]
Ascites in CML: a rare extramedullary manifestation
Y. V. Bansod,Sandeep V. Kharkar,Arshish Raut,Piyush Choudalwar
International Journal of Research in Medical Sciences , 2013, DOI: 10.5455/2320-6012.ijrms20130828
Abstract: Ascites in chronic myeloid leukemia (CML) as an extramedullary manifestation is rarely reported in the literature. A young 23 year old female of chronic myeloid leukemia presenting with extramedullary disease as massive ascites. All stages of granulocytes and a few blasts similar to peripheral blood smear was present in ascitic fluid. Based on clinical symptoms and signs, bone marrow examination, ascitic fluid cytology and ultrasonography of abdomen she was diagnosed as a case of Chronic myeloid leukemia in chronic phase with extramedullary disease as massive ascites. After starting treatment with Imatinib mesylate favourable response was observed. [Int J Res Med Sci 2013; 1(3.000): 291-293]
Connecting String/M Theory to the Electroweak Scale and to LHC Data
Kumar, Piyush
High Energy Physics - Phenomenology , 2007, DOI: 10.1002/prop.200710395
Abstract: The Standard Model of particle physics explains (almost) all observed non-gravitational microscopic phenomena but has many open theoretical questions. We are on the threshold of unraveling the mysteries of the Standard Model and discovering its extension. This could be achieved in the near future with the help of many experiments in particle physics and cosmology, the LHC in particular. Assuming that data confirming the existence of new physics beyond the Standard Model is obtained, one is left with the very important and challenging task of solving the "Inverse Problem", \emph{viz.} "How can one deduce the nature of the underlying (perhaps microscopic) theory from data?" This thesis explores this question in detail, and also proposes an approach to address the problem in a meaningful way which could prove crucial to the possible solution to this problem in the future. The proposed approach has three aspects - a) To systematically study classes of microscopic (string/$M$ theory) constructions to the extent that they could be connected to low energy physics (electroweak scale), b) To find patterns of experimental observables which are sensitive to the properties of the underlying theoretical constructions thereby allowing us to distinguish among different constructions, and c) To try to get insights about the qualitative features of the theoretical model from data in a bottom-up approach which complements the top-down approach and strengthens it as well. This thesis studies all the above aspects in detail. The methods used and results obtained in this thesis will hopefully be of great importance in solving the Inverse Problem.
Neutrino Masses, Baryon Asymmetry, Dark Matter and the Moduli Problem : A Complete Framework
Kumar, Piyush
High Energy Physics - Phenomenology , 2008, DOI: 10.1088/1126-6708/2009/05/083
Abstract: Recent developments in string theory have led to "realistic" string compactifications which lead to moduli stabilization while generating a hierarchy between the Electroweak and Planck scales at the same time. However, this seems to suggest a rethink of our standard notions of cosmological evolution after the end of inflation and before the beginning of BBN. We argue that within classes of realistic string compactifications, there generically exists a light modulus with a mass comparable to that of the gravitino which generates a large late-time entropy when it decays. Therefore, all known mechanisms of generating the baryon asymmetry of the Universe in the literature have to take this fact into account. In this work, we find that it is still possible to naturally generate the observed baryon asymmetry of the Universe as well as light left-handed neutrino masses from a period of Affleck-Dine(AD) leptogenesis shortly after the end of inflation, in classes of realistic string constructions with a minimal extension of the MSSM below the unification scale (consisting only of right-handed neutrinos) and satisfying certain microscopic criteria described in the text. The consequences are as follows. The lightest left-handed neutrino is required to be virtually massless. The moduli (gravitino) problem can be naturally solved in this framework both within gravity and gauge mediation. The observed upper bound on the relic abundance constrains the moduli-matter and moduli-gravitino couplings since the DM is produced non-thermally within this framework. Finally, although not a definite prediction, the framework naturally allows a light right-handed neutrino and sneutrinos around the electroweak scale which could have important implications for DM as well as the LHC.
Basic Methods of Medical Research
Gupta Piyush
Indian Journal of Orthopaedics , 2010,
Abstract:
Reporting ethical processes in Indian journals
Gupta Piyush
Indian Journal of Medical Sciences , 2008,
Abstract:
Nitty-gritty of the International Journal of Students’ Research
Piyush Kalakoti
International Journal of Students' Research , 2011, DOI: 10.5549/ijsr.1.2.34-35
Abstract: This editorial aims to establish the quest for excellence pursued by the International Journal of Students’ Research. It also highlights how IJSR serves the community of student researchers with few aspects and achievements about the journal in a short span.
Effective Mass Ratio & positive colossal magnetoresistance of a Nano-wire
Piyush Dua
Physics , 2008,
Abstract: In the present work, a relation has been established between degree of polarization and effective mass ratio (EMR) and magnetoresistance (MR) of one-dimensional non-degenerate system (which can represent a nano-wire or a linear chain of atoms and molecules in one dimension) by using a non-degenerate Hubbard model, which includes diagonal and off-diagonal matrix elements of Coulomb interaction. EMR is one of the most important property, which provides information that how much itinerant the system is? Within the mean field approximation, it is found that, due to the presence of off-diagonal elements, the band narrowing effect dominates over the band splitting effect. The EMR varies with degree of polarization. EMR for majority (up spin) carriers decreases as magnetization increases below ferromagnetic transition temperature. MR decreases as system is cooled below the ferromagnetic transition temperature. A comparison of our results with existing experimental observations is made.
Modeling and Control of CSTR using Model based Neural Network Predictive Control
Piyush Shrivastava
Physics , 2012,
Abstract: This paper presents a predictive control strategy based on neural network model of the plant is applied to Continuous Stirred Tank Reactor (CSTR). This system is a highly nonlinear process; therefore, a nonlinear predictive method, e.g., neural network predictive control, can be a better match to govern the system dynamics. In the paper, the NN model and the way in which it can be used to predict the behavior of the CSTR process over a certain prediction horizon are described, and some comments about the optimization procedure are made. Predictive control algorithm is applied to control the concentration in a continuous stirred tank reactor (CSTR), whose parameters are optimally determined by solving quadratic performance index using the optimization algorithm. An efficient control of the product concentration in cstr can be achieved only through accurate model. Here an attempt is made to alleviate the modeling difficulties using Artificial Intelligent technique such as Neural Network. Simulation results demonstrate the feasibility and effectiveness of the NNMPC technique.
Finite Generation of the Cohomology of Quotients of PBW Algebras
Piyush Shroff
Mathematics , 2012,
Abstract: In this article we prove finite generation of the cohomology of quotients of a PBW algebra A by relating it to the cohomology of quotients of a quantum symmetric algebra S which is isomorphic to the associated graded algebra of A. The proof uses a spectral sequence argument and a finite generation lemma adapted from Friedlander and Suslin.
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