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Search Results: 1 - 10 of 678790 matches for " A. S. Sharma "
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A Short and Efficient Synthesis of (R)-Phoracantholide I
A. Sharma,S. Chattopadhyay
Molecules , 1998, DOI: 10.3390/30200044
Abstract: A short and efficient chemoenzymatic synthesis of the title compound has been developed. The salient features of the synthesis were i) preparation of the required chiron via a porcine pancreatic lipase (PPL) catalyzed esterification of a ω-functionalized 2-alkanol and ii) use of easily accessible and inexpensive materials/ reagents.
Peha-haft bandage as a new dressing for pediatric hypospadias repair
Gangopadhyay A,Sharma S
Indian Journal of Plastic Surgery , 2005,
Abstract: Hypospadias Repair has varied alternatives in every step including dressing. Objective: To compare Peha-Haft cohesive dressing with compressed gauze penile wrap dressing in hypospadias repair. Patients and methods: Peha-Haft cohesive dressing was prospectively used in 60 subjects (Group A) over a period of three and a half years from Jan.2001 to July 2004 and compared with 60 subjects of compressed gauze dressing with micropore adhesive (Group B). Primary outcome measures were ease of application, cost, comfort with dressing, dressing related early complications, pain during dressing removal assessed by FLACC score and time taken during removal. Results: Time taken during dressing removal was 30 + 11 seconds in Group A and 180 + 26 seconds in Group B. FLACC score was 3 + 2 in Group A and 7 + 3 in Group B. No sedation was required in the Group A while it was required in 26 cases in Group B Conclusion: Peha-Haft dressing was superior in terms of the ease of application, cost, comfort with dressing, dressing related early complications, time consumed and pain during dressing removal.
Management of temporomandibular disorder associated with bruxism
Bedi S,Sharma A
Journal of the Indian Society of Pedodontics and Preventive Dentistry , 2009,
Abstract: Bruxism is the non-functional clenching or grinding of the teeth that may occur during sleep or, less commonly in the daytime in 5-20% of adults and about 30% of 56 year old children. Although research on bruxism is extensive, its etiology remains debatable. There is some literature to suggest that bruxism is correlated with temporomandibular disorders (TMDs) and malocclusion. The aim of this article is to present the course of this condition in a case of bruxism coupled with TMD with special emphasis on the importance of accurate diagnosis of maxillofacial pain. We also report an association between supernumerary teeth and TMDs that has not been reported earlier in the literature.
Model Reduction of Turbulent Fluid Flows Using the Supply Rate
A S Sharma
Mathematics , 2013, DOI: 10.1142/S0218127409023615
Abstract: A method for finding reduced-order approximations of turbulent flow models is presented. The method preserves bounds on the production of turbulent energy in the sense of the $\curly{L}_2$ norm of perturbations from a notional laminar profile. This is achieved by decomposing the Navier-Stokes system into a feedback arrangement between the linearised system and the remaining, normally neglected, nonlinear part. The linear system is reduced using a method similar to balanced truncation, but preserving bounds on the supply rate. The method involves balancing two algebraic Riccati equations. The bounds are then used to derive bounds on the turbulent energy production. An example of the application of the procedure to flow through a long straight pipe is presented. Comparison shows that the new method approximates the supply rate at least as well as, or better than, canonical balanced truncation.
Heparin recall and India
Sharma V,Sharma A,Aggarwal S
Journal of Postgraduate Medicine , 2008,
Experimental Haematobiochemical Alterations in Broiler Chickens Fed with T-2 Toxin and Co-Infected with IBV  [PDF]
T. Yohannes, A. K. Sharma, S. D. Singh, V. Sumi
Open Journal of Veterinary Medicine (OJVM) , 2013, DOI: 10.4236/ojvm.2013.35040

The purpose of this experimental study was to evaluate and record the effects of T-2 toxicity alone and in association with IBV infection on haematobiochemical parameters. A total of 128 one-week-old chicks were divided into four groups of 32 birds each and were treated respectively with T-2 toxin alone, IBV alone, T-2 toxin and co-infected with IBV, and no treatment (control) for a period of 6 weeks. Haematologically, the birds treated with T-2 toxin developed anaemia as indicated by significant decrease in haemoglobin levels, total erythrocyte counts and packed cell volume values; leucopenia, lymphocytopenia heterophilia and thrombocytopenia. The IBV infected birds exhibited lymphocytophilia and heteropoenia; the degrees of severity of leucopenia, lymphocytopenia heterophilia and thrombocytopenia were more pronounced in T-2+IBV groups. The serum biochemistry revealed hypoproteinemia and hypoalbuminemia in all the treated groups consistently. Besides, hypoglobulinemia and increased levels of alanine aminotransferase in T-2+IBV, and increased levels of alkaline phosphatase in toxin group alone were recorded. The changes in biochemical parameters were more in magnitude in the combination treatment group and their severity increased with duration of treatment. It was concluded that T-2 toxin made the birds more susceptible to IBV infection.

Acute alcoholic myopathy, rhabdomyolysis and acute renal failure : a case report.
Singh S,Sharma A,Sharma S,Sud A
Neurology India , 2000,
Abstract: A case of middle aged male who developed swelling and weakness of muscles in the lower limbs following a heavy binge of alcohol is being reported. He had myoglobinuria and developed acute renal failure for which he was dialyzed. Acute alcoholic myopathy is not a well recognized condition and should be considered in any intoxicated patient who presents with muscle tenderness and weakness.
Extreme events and long-range correlations in space weather
A. S. Sharma,T. Veeramani
Nonlinear Processes in Geophysics (NPG) , 2011,
Abstract: Space weather is driven by the solar wind and many geospace storms and substorms are natural hazards with considerable societal impact. The dynamical and statistical features of these events are complicated because of the turbulent nature of their driver, the solar wind. Large-scale data sets of geospace storms and substorms are analysed for this study of the inherent statistical characteristics of extreme events in geospace. The detrended fluctuation analysis, based on the autocorrelation functions, is used and yields scaling behavior representing long-term correlations. The scaling function is represented by two exponents, arising due mainly to the presence of the largely coherent internal dynamics of the magnetosphere and the turbulent nature of the solar wind driver.
Pulse Shape Filtering in Wireless Communication-A Critical Analysis
A. S Kang,Vishal Sharma
International Journal of Advanced Computer Sciences and Applications , 2011,
Abstract: The goal for the Third Generation (3G) of mobile communications system is to seamlessly integrate a wide variety of communication services. The rapidly increasing popularity of mobile radio services has created a series of technological challenges. One of this is the need for power and spectrally efficient modulation schemes to meet the spectral requirements of mobile communications. Pulse shaping plays a crucial role in spectral shaping in the modern wireless communication to reduce the spectral bandwidth. Pulse shaping is a spectral processing technique by which fractional out of band power is reduced for low cost, reliable , power and spectrally efficient mobile radio communication systems. It is clear that the pulse shaping filter not only reduces inter-symbol interference (ISI), but it also reduces adjacent channel interference. The present paper deals with critical analysis of pulse shaping in wireless communication.
Use of GIS technique in mapping and conservation of medicinal plants – a case study in Shoolpaneshwar wildlife sanctuary, Gujarat
Anjali Sharma,A. S. Reddy
Open Access Journal of Medicinal and Aromatic Plants , 2011,
Abstract: (Abstract selected from presentation in National Conference on Biodiversity of Medicinal and Aromatic Plants: Collection, Characterization and Utilization, held at Anand, India during November 24-25, 2010) Systematic mapping of species occurrence in a given area provides distributional pattern related to ecological parameters and their quantum of availability. It also gives an insight into the region where conservation has to be initiated. Using Arc GIS of version 9.3 and Cartalinx, distribution maps were prepared for 72 medicinal plants species of the Shoolpaneshwar wildlife sanctuary in Rajpipla East Forest Division of Narmada district in south Gujarat. Presence of tropical moist and dry deciduous mix forests makes the area a rich depository of many medicinal and other useful plants. It also forms catchments area of two major rivers, named Narmada and Karjan and two small rivers, Devganga and Tarav. Based on the parameters, like the recorded uses of medicinal plants, extent of utilization by the local inhabitants, commercial collection, rarity and threat factors, the list of 72 species was prioritized for mapping. The maps indicated not only the presence or absence of a species in a given forest compartment, but also showed the density classes for all the 72 selected species and 98 compartments. These maps will help in sustainable collection of medicinal plants, avoiding overexploitation of commercialized species. It will also help in streamlining the conservation measures such as germplasm collection and implementing suitable regeneration methods. Highlighting the significant results of our work, the paper intends to draw the attention of delegates of the seminar for undertaking such studies in other forest pockets.
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