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Search Results: 1 - 10 of 325292 matches for " Unnati S. Asari "
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Open appendicectomy stump: invaginate or not to invaginate?
Mukesh S. Suvera,Ashish H. Kharadi,Unnati S. Asari,Panchshila B. Damor
International Journal of Research in Medical Sciences , 2013, DOI: 10.5455/2320-6012.ijrms20130817
Abstract: Acute appendicitis remains the most common abdominal surgical emergency. Appendicectomy is the standard treatment of acute appendicitis, which performed by open or laparoscopic approach. During open method, after removal of appendix, stump simple ligation or simple ligation and invagination. A prospective randomized study conducted at Smt SCL General Hospital, Smt NHL municipal Medical College, Ahmedabad between October 2009 to September 2011 to evaluate the necessity of appendicular stump invagination during appendicectomy. A total 110 patients were studied and randomized into two group, Group I stump simple ligation, transfixation and invagination and Group II stump simple ligation and transfixation only. There was no statically significant difference in the rate of postoperative complication and post operative hospital stay between the two groups. The mean operating time was significantly shorter in group without invagination. The rate of postoperative paralytic ileus was more in group I. We conclude that simple ligation of the appendicular stump during appendicectomy is safe, simple and shortens operating time. [Int J Res Med Sci 2013; 1(3.000): 248-251]
A new method of inducing selective brain hypothermia with saline perfusion into the subdural space: effects on transient cerebral ischemia in cats.
Noguchi Y,Nishio S,Kawauchi M,Asari S
Acta Medica Okayama , 2002,
Abstract: In this study, we tested brain surface cooling as a new method of inducing selective brain hypothermia, and evaluated its effects on focal cerebral ischemia using a cat model of transient middle cerebral artery (MCA) occlusion. Cats underwent 1 h of MCA occlusion followed by 5 h of reperfusion. Brain surface cooling was induced for 4 h during and after MCA occlusion in the hypothermia group, but not in the normothermia group. Brain surface cooling was performed using saline perfusion into the subdural space. Rectal temperature, brain surface temperature, and deep brain temperature were monitored, and regional cerebral blood flow (rCBF) and somatosensory evoked potential (SEP) were serially measured. After 5 h of reperfusion, water content was also measured. Although the rectal temperature was maintained at about 37 degrees C, the brain surface temperature decreased rapidly to 33 degrees C and was maintained at that temperature. For 3 h following reperfusion, the rCBF was lower in the hypothermia group than in the normothermia group. At 4 and 5 h after reperfusion, the recovery of SEP amplitude was significantly more enhanced in the hypothermia group than in the normothermia group. In the gray matter, the water content was significantly more diminished in the hypothermia group than in the normothermia group. These results demonstrate that our method is useful for protecting the ischemic brain from a transient MCA occlusion. This method may be adapted for neurological surgery.
Evaluation of the Mechanical Properties of Carbon Nanotube Based Composites by Finite Element Analysis
Unnati A Joshi,Preeti Joshi,,S. P. Harsha,Satish C Sharma
International Journal of Engineering Science and Technology , 2010,
Abstract: Carbon nanotubes (CNTs) possess extremely high stiffness, strength and resilience, and may provide ultimate reinforcing materials for the development of nano composites. In this paper, the effective material properties of CNT-based composites are evaluated using a square representative volume element (RVE) based on the continuummechanics and with the finite element method (FEM). Formulas to extract the effective material constants from solutions for the square RVEs under the axial stretch load is derived based on the elasticity theory. An extended rule of mixtures, based on the strength of materials theory for estimating the effective Young’s modulus in the axial direction of the RVE, is applied for comparisons of FEM results. It has been observed that the addition of the CNTsin a matrix at volume fractions of only about 3.6%, the stiffness of the composite is increased by 33% for long CNT at E
Experimental observation of extreme multistability in an electronic system of two coupled R?ssler oscillators
Mitesh S. Patel,Unnati Patel,Abhijit Sen,Gautam C. Sethia,Chittaranjan Hens,Syamal K. Dana,Ulrike Feudel,Kenneth Showalter,Calistus N. Ngonghala,Ravindra E. Amritkar
Physics , 2011,
Abstract: We report the first experimental observation of extreme multistability in a controlled laboratory investigation. Extreme multistability arises when infinitely many attractors coexist for the same set of system parameters. The behavior was predicted earlier on theoretical grounds, supported by numerical studies of models of two coupled identical or nearly identical systems. We construct and couple two analog circuits based on a modified coupled R\"{o}ssler system and demonstrate the occurrence of extreme multistability through a controlled switching to different attractor states purely through a change in initial conditions for a fixed set of system parameters. Numerical studies of the coupled model equations are in agreement with our experimental findings.
Alternative diagnostic diagrams and the "forgotten" population of weak line galaxies in the SDSS
R. Cid Fernandes,G. Stasinska,M. S. Schlickmann,A. Mateus,N. Vale Asari,W. Schoenell,L. Sodre Jr.,;
Physics , 2009, DOI: 10.1111/j.1365-2966.2009.16185.x
Abstract: A numerous population of weak line galaxies (WLGs) is often left out of statistical studies on emission line galaxies (ELGs) due to the absence of an adequate classification scheme, since classical diagnostic diagrams, like [OIII]/Hb vs [NII]/Ha (the BPT diagram), require the measurement of at least 4 emission lines. This paper aims to remedy this situation by transposing the usual divisory lines between Star Forming (SF) and AGN hosts, and between Seyferts and LINERs to diagrams that are more economical in terms of line quality requirements. By doing this, we rescue from the classification limbo a substantial number of sources and modify the global census of ELGs. More specifically: (1) We use the SDSS DR7 to constitute a suitable sample of 280k ELGs, 1/3 of which are WLGs. (2) Galaxies with strong emission lines are classified using the widely applied criteria of Kewley et al (2001), Kauffmann et al (2003), Stasinska et al (2006) and Kewley et al (2006). (3) We transpose these classification schemes to alternative diagrams keeping [NII]/Ha as a horizontal axis, but replacing Hb by a stronger line (Ha or [OII]), or substituting [OIII]/Hb ratio with the equivalent width of Ha. Optimized equations for the transposed divisory lines are provided. (4) We show that nothing significant is lost in the translation, but that the new diagrams allow one to classify up to 50% more ELGs. (5) Introducing WLGs in the census of galaxies in the local Universe increases the proportion of metal-rich SF galaxies and especially LINERs. (abridged)
COPD Exacerbations: Clinical Management Options
Unnati Desai, Dipti Gothi and Jyotsna M. Joshi
Indian Journal of Clinical Medicine , 2012, DOI: 10.4137/IJCM.S5476
Abstract: Acute exacerbation of chronic obstructive pulmonary disease (AECOPD) is a sudden and sustained worsening in cough, dyspnoea and/or sputum production in patients with COPD. AECOPD is an infrequent occurrence in mild COPD, but is a common feature of moderate to severe COPD. It is essential to treat AECOPD early to prevent morbidity and mortality related to the disease. The treatment can be administered at home or in hospital depending on the facility and patient condition. The pharmacological and non pharmacological therapies are essential component of management and complimentary to each other. Prevention of further exacerbation after its optimum treatment is as important as the treatment, as these episodes lead to progressive decline in lung function. Evidence based management; newer advances and direction for future research are included in this review.
SudeepThepade,Dimple Parekh,Unnati Thapar,Vandana Tiwari
International Journal of Advances in Engineering and Technology , 2012,
Abstract: Fingerprints are unique to each individual and can be used as a means to differentiate one individual from another. Therefore, it serves as an identity of an individual.Fingerprint Classification is done to relate a given fingerprint to one of the existing classes.Fingerprints are classified into pre-defined classes such as left loop, right loop, arch, tented arch and whorl.Classifying fingerprint images is a very complex pattern recognition problem, due to the minute inter class variability. The objective is to reduce response time, computation complexity and search space while classifying an image. In this research paper a novel technique based on vector quantization for finger print classification using Linde Buzo Gray (LBG)also called as Generalized Lloyd Algorithm (GLA)is proposed. Vector Quantization is a lossy technique for data compression and is used in various applications.For vector quantization to be efficient a good code book is required.Classification is done on fingerprint images using LBG code books of sizes 4. The proposed technique takes lesser computations as compared to usual finger print classification techniques. It is observed that the method provides an accuracy of 80%.
Vishnu Kanta,Sharma Unnati,Mahatma Ritu
International Journal of Research in Ayurveda and Pharmacy , 2011,
Abstract: Acquired Immunodeficiency Syndrome (AIDS) is a clinical syndrome that is the result of infection with Human immuno deficiency virus (HIV), which causes profound immunosuppression. Current therapies available for symptomatic treatment of AIDS are quite expensive. Herbal medicines can be developed as a safe effective and economical alternate. Herbal medicine provides rational means for the treatment of AIDS. The herbal drugs which are used for treatment of AIDS are Kalmegh, Betel nut, Ipecac, Turmeric, Clove, Liquorices, Cotton seed, Sarpgandha, Ashoka, Arjuna etc.Many compound of plant origin that inhibits HIV during various stage of cycle, these include several alkaloids carbohydrates, coumarine, flavonoids, lignin, phenolics, proteins, quinines, xanthenes, phospholipids and tannins. These candidates have the potential to come up as drug for treatment for HIV infection.So the aim of this review article is to identify plants and their active principles possessing activity against Human immunodeficiency virus with objective of providing an effective approach for prevention of transmission and treatment of these diseases.
Impact Monitoring of the National Scale Up of Zinc Treatment for Childhood Diarrhea in Bangladesh: Repeat Ecologic Surveys
Charles P. Larson ,Unnati Rani Saha,Hazera Nazrul
PLOS Medicine , 2009, DOI: 10.1371/journal.pmed.1000175
Abstract: Background Zinc treatment of childhood diarrhea has the potential to save 400,000 under-five lives per year in lesser developed countries. In 2004 the World Health Organization (WHO)/UNICEF revised their clinical management of childhood diarrhea guidelines to include zinc. The aim of this study was to monitor the impact of the first national campaign to scale up zinc treatment of childhood diarrhea in Bangladesh. Methods/Findings Between September 2006 to October 2008 seven repeated ecologic surveys were carried out in four representative population strata: mega-city urban slum and urban nonslum, municipal, and rural. Households of approximately 3,200 children with an active or recent case of diarrhea were enrolled in each survey round. Caretaker awareness of zinc as a treatment for childhood diarrhea by 10 mo following the mass media launch was attained in 90%, 74%, 66%, and 50% of urban nonslum, municipal, urban slum, and rural populations, respectively. By 23 mo into the campaign, approximately 25% of urban nonslum, 20% of municipal and urban slum, and 10% of rural under-five children were receiving zinc for the treatment of diarrhea. The scale-up campaign had no adverse effect on the use of oral rehydration salt (ORS). Conclusions Long-term monitoring of scale-up programs identifies important gaps in coverage and provides the information necessary to document that intended outcomes are being attained and unintended consequences avoided. The scale-up of zinc treatment of childhood diarrhea rapidly attained widespread awareness, but actual use has lagged behind. Disparities in zinc coverage favoring higher income, urban households were identified, but these were gradually diminished over the two years of follow-up monitoring. The scale up campaign has not had any adverse effect on the use of ORS. Please see later in the article for the Editors' Summary
Anti-Urolithiatic Activity of Dolichos Biflorus Seeds
Unnati Atodariya,Roshni Barad,Siddhi Upadhyay,Umesh Upadhyay
Journal of Pharmacognosy and Phytochemistry , 2013,
Abstract: A kidney stone, also known as a renal calculus is a solid concretion or crystal aggregation formed in the kidneys from dietary minerals in the urine. Urolithiasis is a complex process that occurs from series of several physicochemical event including super-saturation, nucleation, growth, aggregation and retention within the kidneys. Data from in-vitro, in- vivo and clinical trials reveal that phytotherapeutic agents could be useful as either alternative or an adjunct therapy in the management of Urolithiasis. Medicinal plants / natural products are more useful for body because they promote the repair mechanism in natural way. Various plant species of Dolichos biflorus, have been reported to posses antiurolithiatic property. In this study aqueous, chloroform, benzene extracts of Dolichos biflorus.Linn and standard for dissolving kidney stones- calcium oxalate by an in-vitro model. To check their potential to dissolve experimentally prepared kidney stones- calcium oxalate by an in-vitro model for Dolichos biflorus seeds and cystone as a standard compound collected from market. Phenolic compound isolated from the benzene and aqueous, flavanoids and steroids from aqueous fraction of the seed. Aqueous fractions showed highest dissolution of stones as compare to others. Aqueous fraction was more effective in dissolving calcium oxalate (48.5±0.022%). Reference standard-formulation Cystone was found to be more effective (53.5±0.02 %) when compared to phenolic and flavanoids fraction.
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