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Search Results: 1 - 10 of 205 matches for " Vinita Vishwakarma "
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Sonochemical Coating of Ag-TiO2 Nanoparticles on Textile Fabrics for Stain Repellency and Self-Cleaning- The Indian Scenario: A Review  [PDF]
Subhranshu Sekhar Samal, P. Jeyaraman, Vinita Vishwakarma
Journal of Minerals and Materials Characterization and Engineering (JMMCE) , 2010, DOI: 10.4236/jmmce.2010.96036
Abstract: Surface modification is an important element of textile manufacturing. The final properties of a textile material are critical in determining how they perform for their given end use. More recently, botany and nanotechnology have united to explore not only the beauty and cleanliness of the leaf, but also its lack of contamination and bacteria, despite its dwelling in dirty ponds. On the basis of lotus leaf concept scientist developed a new concept “Self cleaning textile” the textile surface which can be cleaned itself without using any laundering action. In this paper, the role of silver- Titania nanoparticles synthesized and deposited on different types of fabrics using ultrasound irradiation under an atmosphere of argon gas and decreasing both the cavitational threshold and intensity of ultrasound power has been reviewed. The excellent antibacterial activity of the Ag–Titania fabric composite against Escherichia coli (gram-negative) and Staphylococcus aureus (gram-positive) cultures also reviewed with reference to Indian scenario.
Safety and Risk Associated with Nanoparticles - A Review  [PDF]
Vinita Vishwakarma, Subhranshu Sekhar Samal, N. Manoharan
Journal of Minerals and Materials Characterization and Engineering (JMMCE) , 2010, DOI: 10.4236/jmmce.2010.95031
Abstract: The emerging field of nanotechnology has created risk for environment and human health. Nanoparticles are not a recent discovery. It has existed for many years. Today synthesis of nanoparticles takes place for many applications in various field of science, technology, medicine, colloid technologies, diagnostics, drug delivery, health impacts, food, personal care applications etc. In spite of this, toxicology of nanoparticles is poorly understood as there are no sufficient methods to test nanoparticles for health, safety and environmental impacts, especially in the size range lower than 50nm.
The Impact of Statin Intolerance in Lipid Clinic Patients  [PDF]
Kate Williams, Vinita Mishra
International Journal of Clinical Medicine (IJCM) , 2015, DOI: 10.4236/ijcm.2015.65040
Context: Cardiovascular disease is a very common and serious problem in the western world. Statin drug therapy is used in primary, secondary prevention and familial hypercholesterolemia. However, these are frequently associated with adverse effects, causing poor adherence and thus putting patients at risk for future cardiovascular events. Aim: The objective of this study was to review the statin intolerance in lipid patients and to assess the impact of alternative lipid lowering therapy on lipid parameters and cardiovascular outcome in statin intolerant patients. Methodology: 50 patients attending the out-patient lipid clinic of our hospital with statin intolerance were identified. Clinical data on the study patients were gathered retrospectively relating to statin intolerance and the clinical effectiveness of alternative lipid lowering therapy on lipid parameters and cardiovascular outcome. Results: Rosuvastatin was the most intolerable whereas pravastatin or fluvastatin was the most tolerable statin in our study patients. Myalgia was the commonly reported adverse effect of statin. The low dose statin monotherapy or combination of low dose statin and ezetemibe was the most tolerable alternative lipid lowering therapy in statin intolerant patients. After an average period of 10 months of initiation of alternative lipid lowering therapy; combination of low dose statin plus ezetimibe showed the largest reduction in serum total cholesterol and low-density lipoprotein (LDL) cholesterol levels. Conclusions: Pravastatin should be preferred in statin intolerant patients. A combination of low dose statin plus ezetimibe appeared to be the most tolerable and clinically effective therapy in statin intolerant patients.
Role of Videonystagmography (VNG) in Epley’s Maneuver  [PDF]
Saloni Shah, Rajesh Vishwakarma
International Journal of Otolaryngology and Head & Neck Surgery (IJOHNS) , 2014, DOI: 10.4236/ijohns.2014.36056
Abstract: Aims and Objectives: To study benefit of videonystagmography in confirmation of canalolith repositioning in patients with Benign Paroxysmal Positional Vertigo after Epley’s manouver. Study Design: Prospective study of 35 cases of BPPV. Materials and Method: 35 patients of BPPV presenting at vertigo clinic of ENT department at Civil Hospital Ahmedabad were treated with canalolith repositioning procedure and improvement in nystagmus was studied and confirmed by VNG. Observation: 31 patients out of 35 patients were improved with 1st CRP, 2 out of 3 patients improved with 2nd CRP and 1 patient improved with 3rd CRP. This improvement is confirmed using VNG. Conclusion: Videonystagmography is a very useful tool for ensuring the otolith repositioning by the canalith repositioning manouver. It is a confirmatory adjunct to visual analysis.
Aperture Coupled Microstrip Antenna for Dual-Band  [PDF]
Rajesh Kumar Vishwakarma, Sanjay Tiwari
Wireless Engineering and Technology (WET) , 2011, DOI: 10.4236/wet.2011.22013
Abstract: This paper presents air gap aperture coupled microstrip antenna for dual-band operation over the frequency range of (2.9 to 6.0 GHz). This antenna differs from any other microstrip antenna with their feeding structure of the radiating patch element. Input signal couples to the radiating patch trough the aperture that exists on the ground plane of microstrip feed line. The dual-band achieved by variation of air gap [2 mm to 6 mm] between single patch antenna and aper-ture coupled microstrip antenna. The main advantage of this type antenna is increased the bandwidth of the antenna as compared to a single layered patch antenna. The two resonant frequencies can vary over a wide frequency range and the input impedance is easily matched for both frequencies. The obtain ratios of resonance frequencies are variable from 2.1 GHz to 1.1 GHz with increasing the air gap between single patch and aperture coupled microstrip antenna. The measured return loss [–14 dB] exhibits an impedance bandwidth of 35%. The input impedance and VSWR return loss have been measured with the help of Network analyzer.
Book Review: Dreaming in Canadian: South Asian Youth, Bollywood and Belonging
Vinita Srivastava
Global Media Journal : Canadian Edition , 2011,
Women and Work-Family Interface: Indian Context
Vinita Chandra
Journal of Asia Pacific Studies , 2010,
Abstract: The social division of labour set the role of primary breadearnerfor the man while ascribed the role of home-manager andcaregiver to the woman. This arrangement has been questioned for having given rise to gender inequality and having generated gender role stereotypes for man and woman. The traditionally organized workplace is also predicated on the assumption that families with male bread winners and nonworking housewives constitute the predominant family form. This is no more true since the last few decades have seen a significant number of women coming out of the private sphere of domestic life to enter the public domain. The problem of balancing work and family together has given rise to what is called the ‘work-family conflict’, which has evoked serious scholarly concern in the last few years. The questions that havesurfaced need a sincere rethinking over. The present paper seeks to study work-family conflict in the context of women entering the workforce. However, this does not imply that work-family conflict is a ‘women’s problem’. Studies in the US and elsewhere have amply borne out that men face as much work-family conflict as women do. However, even this phenomenon stands pronounced with women entering the workforce as in the earlier arrangement, men had to worry little for the household responsibilities. Resultantly, there was less negative spillover from the work to family domain and vice versa.
Physiochemical, Functional and Structural Characterization of Wheat Germin Using In silico Methods
Vinita Hooda
Current Research Journal of Biological Sciences , 2011,
Abstract: Wheat germin, an oxalate oxidase possesses high proteolytic and thermal stability but is poorly characterized. Three dimensional structure of wheat germin is also not available at PDB. The present paper uses bioinformatics approach to describe the physiochemical, functional and structural properties of wheat germin. The three dimensional structure of wheat germin is predicted by homology modelling using the highly homologous barley germin as template. The model was evaluated with PROCHECK, VERIFY 3D, WHAT IF, ERRAT and ProSA programs. Model visualization and analysis was done with Swiss-PDB viewer. Nature of active site and key features of the model responsible for stability of enzyme are also discussed.
Enhanced Bit Compressed Authentication Approach to Prevent False Data Injection Attacks and Energy Wastage in Route Nodes Over Wireless Sensor Network
Vinita Prashar
International Journal of Technological Exploration and Learning , 2013,
Abstract: — Sensor Nodes Offer a powerful Combination of Distributed Sensing, Computation and Communication. A sensor network is a static ad hoc network consisting of hundreds of sensor nodes deployed over an area to perform local computations based on information gathered from the surroundings. They lend them self to countless application but also offers a numerous challenges Each sensor node is equipped with a sensing device, a low computational capacity processor, and a limited battery-supplied energy. The main design issues for a sensor network is conservation of the energy available at each sensor node and Injecting false data attack is a well known serious threat to wireless sensor network. This Paper Of wireless sensor network introduce a E-BCA(Enhanced bit compression technique) scheme is used to save energy by early detecting data and injecting false data by using key authentication technique and time based technique that possibly minimize computation done by sink which reduce burden on sink and hence reduce energy consumption.
Research trials: Registration, reporting and publication
Salvi Vinita
Journal of Postgraduate Medicine , 2005,
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