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Search Results: 1 - 10 of 1263 matches for " Abhishek Gaur "
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Bacteriological profile of blood stream infections among febrile patients attending a tertiary care centre of Western Nepal
Dharm Raj Bhatta, Abhishek Gaur, HS Supram
Asian Journal of Medical Sciences , 2013, DOI: 10.3126/ajms.v4i3.8165
Abstract: Background Blood stream infections (BSI) are significant cause of morbidity and mortality in the world. This study was conducted to determine the common bacterial agents associated with BSI with their antimicrobial susceptibility patterns in a tertiary care centre in the Western region of Nepal. Method This cross-sectional study was conducted for a period of two years from May 2010 to May 2012. All patients with fever (temperature ≥ 38°C) were included in the study. Results A total of 4,145 patients with febrile illness were included in this study, bacterial agents were isolated in 251 (6%) cases. Common bacterial isolates were Salmonella spp., Klebsiella pneumoniae, Escherichia coli, Pseudomonas species , Acinetobacter species, Staphylococcus aureus and Coagulase negative Staphylococci . Paratyphoid fever (Caused by S. Paratyphi A ) is more common than typhoid fever. The members of Enterobacteriaceae were found to be resistant to ampicillin and cefazolin. Majority of the nonfermenters were found to be sensitive to most antibiotics. Gentamicin and Ciprofloxacin were sensitive to majority of gram positive bacteria. Conclusion Gram-negative bacteria were the predominant causes of BSIs. The occurrence of drug resistance among the isolated bacteria is of great concern. Imipenem showed 100% sensitivity against Pseudomonas aeruginosa indicating lack or low level of MBL activity. DOI: http://dx.doi.org/10.3126/ajms.v4i3.8165 Asian Journal of Medical Sciences 4(2013) 92-98
Green Approach for In-Situ Growth of CdS Nanorods in Low Band Gap Polymer Network for Hybrid Solar Cell Applications  [PDF]
Ramil K. Bhardwaj, Vishal Bharti, Abhishek Sharma, Dibyajyoti Mohanty, Vikash Agrawal, Nakul Vats, Gauri D. Sharma, Neeraj Chaudhary, Shilpa Jain, Jitender Gaur, Kamalika Banerjee, Suresh Chand
Advances in Nanoparticles (ANP) , 2014, DOI: 10.4236/anp.2014.33015
Abstract:
In-situ growth of CdS nanorods (NRs) has been demonstrated via solvothermal, in a low band gap polymer, poly [[4,8-bis[(2-ethylhexyl)oxy] benzo [1,2-b:4,5-b’] dithiophene-2,6-diyl] [3-fluoro-2-[(2-ethylhexyl) carbonyl] thieno [3,4-b] thiophenediyl]] (PTB7). It is a high yielding, green approach as it removes use of volatile and hazardous chemicals such as pyridine as ligand which are conventionally used to synthesize precursors of CdS (NRs). Moreover the solvothermal process is a zero emission process being a close vessel synthesis and hence no material leaching into the atmosphere during the synthesis. The PTB7:CdS nanocomposite has been characterized by SEM, XRD, FTIR, UV-visible spectroscopy techniques. The photoluminescence (PL) spectroscopy study of PTB7 with CdS NRs has shown significant PL quenching by the incorporation of CdS NRs in PTB7; this shows that CdS NRs are efficient electron acceptors with the PTB7. The PTB7:CdS is used as active layer in the fabrication of hybrid solar cells (HSC) as donor-acceptor combination in the bulk heterojunction (BHJ) geometry. The HSCs fabricated using this active layer without any additional supporting fullerene based electron acceptor has given power conversion efficiency of above 1%.
Smart Grid, Smart Controllers and Home Energy Automation—Creating the Infrastructure for Future  [PDF]
Abhishek Khanna
Smart Grid and Renewable Energy (SGRE) , 2012, DOI: 10.4236/sgre.2012.33024
Abstract: Integration of unpredictable renewable power sources into the Grid is leading to the development of wide area control algorithms and smart grid. Smart meters are the first step in the building a smart consumer interface. Much more, however, would be required in building a smart grid than just smart meters. This paper explores the conceptual architecture of smart grid. It highlights the need for additional infrastructure to realize full potential of smart grid. The information presented in this paper is an attempt to uncover what the future in smart grid could be and what infrastructure would be required to tap its potential. As smart grid evolves, more functionality would be built in the constituents. The paper also proposes mathematical basis for some of the controller algorithms.
Consumption Value of Digital Devices: An Investigation through Facebook Advertisement  [PDF]
Abhishek Mishra
Social Networking (SN) , 2015, DOI: 10.4236/sn.2015.43007
Abstract: Data collection represents the most effort-intensive stage of any marketing research exercise, especially in cases sampling frame is unavailable. Sub-optimal bypasses in form of student surveys or surveys employing convenience sampling have become common. In modern era, where laptops and smartphones enable easy accessibility of respondents online, this study utilizes Facebook advertisement as a source of data collection to measure the construct of user experience for interactive products. Modern digital devices, like smartphones, are a source of a variety of experiences for the user. Design teams at various smartphone manufacturers are struggling every day to create products which provide complete consumer experiences. This work not only proposes a framework for describing the same with usability, social value and pleasure in use, but also tests the scales for each by empirical validation. Data collection process through Facebook, as a sample frame, is something yet to be seen in marketing literature. This work goes the distance in not only demonstrating the efficacy of using Facebook advertisement as a viable data collection tool but also developing a framework to measure consumption value. Outcomes of the study, should promote further research using this sampling frame for future research, especially in the area of marketing.
Beam Dynamics and Electromagnetic Design Studies of 3 MeV RFQ for SNS Programme  [PDF]
Rahul Gaur, Purushottam Shrivastava
Journal of Electromagnetic Analysis and Applications (JEMAA) , 2010, DOI: 10.4236/jemaa.2010.29068
Abstract: The physics design of a 3 MeV, 30 mA, 352.2 MHz Radio Frequency Quadrupole (RFQ) is done for the future Indian Spallation Neutron Source (ISNS) project at RRCAT, India. The beam dynamics design of RFQ and the error analysis of the input beam parameters are done by using standard beam dynamics code PARMTEQM. The electromagnetic stu-dies for the two-dimensional and three-dimensional cavity design are performed using computer codes SUPERFISH and CST Microwave Studio. The physics design of RFQ consisting of the beam dynamics design near the beam axis and the electromagnetic design for the RFQ resonator is described here.
Effect of Seasonal Variation on Mycorrhizal Fungi Associated with Medicinal Plants in Central Himalayan Region of India  [PDF]
Supriya Gaur, Purshotam Kaushik
American Journal of Plant Sciences (AJPS) , 2012, DOI: 10.4236/ajps.2012.35075
Abstract: This research paper assesses the effect of seasonal variation on mycorrhizal fungi. Based on the richness of medicinal plants in Himalayan region, this research work considered three medicinal plants i.e. Catharanthus roseus Linn., Ocimum spp. and Asparagus racemosus Willd. The study was conducted at five districts of Uttarakhand state of India viz. Pauri Garhwal, Haridwar, Dehradun, Udham Singh Nagar and Almora. To account for seasonal variations, soil and root samples were collected in months of Jan-Feb, May-June and Sep-Oct from year 2006 to 2008. Furthermore, the study was directed to collect information about the distribution of VAM fungi in the medicinal plants in relation to spore population. This research work evaluated and analyzed the effect of temperature, altitude and seasonal conditions. The undisturbed natural vegetations revealed maximum spore numbers followed by cultivated and non-cultivated regions. Similarly, root colonization by VAM fungi was observed at higher levels in natural vegetations and cultivated sites in comparison to non-cultivated lands. The monthly and seasonal temperature varied and had considerable effect on VAM fungal population. The data obtained in the present study undoubtedly indicate that the sea-sonal variation in VAM fungi is significant with few exceptions. VAM fungi in medicinal plants differ in the manner and extent with which root colonization rate occurs and also differ in their capacity to form propagules. Most of the study reveals that host plant had much more effect on spore population. Number of spores also varied with the growing season of the host plant. During the present study most of the sites showed a general increase in spore number from Sep-Oct to Jan-Feb.
A Note on Nilpotent Operators  [PDF]
Abhay K. Gaur
Advances in Pure Mathematics (APM) , 2012, DOI: 10.4236/apm.2012.26054
Abstract: We find that a bounded linear operator T on a complex Hilbert space H satisfies the norm relation |||T|na|| =2q, for any vector a in H such that q≤(||Ta||-4-1||Ta||2)≤1.A partial converse to Theorem 1 by Haagerup and Harpe in [1] is suggested. We establish an upper bound for the numerical radius of nilpotent operators.
Characterization, XPS and Toxicological Study of Organothallium (III) Compounds with Schiff Base Ligands  [PDF]
Gyanendra Kumar Gaur, Shekhar Srivastava
Crystal Structure Theory and Applications (CSTA) , 2012, DOI: 10.4236/csta.2012.13018
Abstract:

Many Organothallium Compounds have been used in medicine, industry and antibacterial activity. Optical properties are among the most fascinating and useful properties of many complexes and have been extensively studied using a variety of optical spectroscopic techniques. A basic understanding of the optical properties and related spectroscopic techniques is essential for characterization about semiconductors, insulators or metal. Optical properties are related to other properties and functionalities (e.g. electronic, magnetic, and thermal) that are of fundamental importance to many technological applications, such as energy conversion, chemical analysis, biomedicine, opto-electronics, communication, and radiation detection. The fundamental importance of Thallium is the ability to accept electrons due to empty d-orbitals and thus establish additional bonds (σ bond and π bond) in chemistry. The Thallium metal, which has outer electronic configuration 6 s2, 6 p1 shows oxidation states of Thallium (III) and Thallium (I). This research paper explains that Thallium (III) and Thallium (I) accepts lone pairs from various bi-dentate tetra-dentate Schiff base ligands due to p-orbital and vacant d-orbital. This research paper explains the Characterization, XPS and Toxicological Study of Or- ganothallium (III) Compounds with Schiff base ligands by physiochemical technique. X-Ray photoelectron spectrogra- phy (XPS) study of Thallium (III) complexes with Schiff Base ligands also reported in this paper. XPS study shows a single symmetrical peak without any splitting in photoelectron peak, which confirms diamagnetic nature of all prepared molecular adducts. All prepared complexes with Schiff base ligands show toxicological effect.

Charged Lepton Flavour Violation in Littlest Higgs model with T-parity
Gaur, Naveen
High Energy Physics - Phenomenology , 2007, DOI: 10.1063/1.2898987
Abstract: The Little Higgs model with T-parity (LHT) belongs to the non-minimal flavour violating model. This model has new sources of flavour and CP violation both in quark and leptonic sectors. These new sources of flavour violation originates by the interaction of Standard Model (SM) fermions with heavy gauge bosons and heavy (or mirror) fermions. In this work we will present the impact of the new flavour structure of T-parity models on flavour violations in leptonic sector.
Neural Networks in Data Mining
Priyanka Gaur
International Journal of Electronics and Computer Science Engineering , 2012,
Abstract: The application of neural networks in the data mining is very wide. Although neural networks may have complex structure, long training time, and uneasily understandable representation of results, neural networks have high acceptance ability for noisy data and high accuracy and are preferable in data mining. In this paper the data mining based on neural networks is researched in detail, and the key technology and ways to achieve the data mining based on neural networks are also researched.
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