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Impact of Fin Arrangement on Heat Transfer and Melting Characteristics of Phase Change Material

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Journal of Thermal Science 2024年第2期33卷 435-456页

作者： Arun UNIYAL yogesh K.PrAJAPATI Department of Mechanical Engineering National Institute of Technology UttarakhandSrinagar(Garhwal)246174India Department of Mechanical Engineering BIT SindriDhanbadJharkhand828123India

Present work investigates the heat transfer and melting behaviour of phase change material(PCM) in six enclosures(enclosure-1 to 6) filled with paraffin *** enclosures are equipped with distinct arrangements of the fins while keeping the fin's surface area equal in each *** analysis has been presented to recognize the suitable fin arrangements that facilitate improved heat transfer and melting rate of the *** wall of the enclosure is maintained isothermal for the temperature values 335 K,350 K and 365 *** length of the enclosure including fins is ranging between 0 and *** have been illustrated through the estimation of important performance parameters such as energy absorbing capacity,melting rate,enhancement ratio,and Nusselt *** has been found that melting time(to melt 100% of the PCM) is 60.5%less in enclosure-2(with two fins of equal length) as compared to the enclosure-1,having no *** the fin surface area equal,if the longer fin is placed below the shorter fin(enclosure-3),melting time is further decreased by 14.1% as compared to ***,among all the configurations,enclosure-6 with wire-mesh fin structure exhibits minimum melting time which is 68.4% less as compared to the *** on the findings,it may be concluded that fins are the main driving agent in the enclosure to transfer the heat from heated wall to the *** design and positioning of the fins improve the heat transfer rate followed by melting of the PCM in the entire area of the *** of the favourable vortices and natural convection current in the enclosure accelerate the melting phenomenon and help to reduce charging time.

关键词： phase change material enclosure fin melting fraction energy storage heat transfer

Effectiveness of craniosacral therapy,Bowen therapy,static touch and standard exercise program on sleep quality in fibromyalgia syndrome:A randomized controlled trial

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Journal of Integrative Medicine 2024年第4期22卷 473-483页

作者： reepa Avichal Ughreja Prem Venkatesan Dharmanand Balebail Gopalakrishna yogesh Preet Singh Vani Lakshmi r Department of Physiotherapy Manipal College of Health ProfessionsManipal Academy of Higher EducationManipal 576104KarnatakaIndia Department of rheumatology Manipal HospitalBengaluru 560052KarnatakaIndia Department of Clinical Immunology and rheumatology All India Institute of Medical SciencesBilaspur 174001Himachal PradeshIndia Department of Data Science Prasanna School of Public HealthManipal Academy of Higher EducationManipal 576104KarnatakaIndia

Background:Sleep disturbance is commonly seen in fibromyalgia syndrome (FMS);however,high quality studies involving manual therapies that target FMS-linked poor sleep quality are lacking for the Indian ***:Craniosacral therapy (CST),Bowen therapy and exercises have been found to influence the autonomic nervous system,which plays a crucial role in sleep *** the paucity of evidence concerning these effects in individuals with FMS,our study tests the effectiveness of CST,Bowen therapy and a standard exercise program against static touch (the manual placebo group) on sleep quality in ***,setting,participants and intervention:A placebo-controlled randomized trial was conducted on132 FMS participants with poor sleep at a hospital in *** participants were randomly allocated to one of the four study groups,including CST,Bowen therapy,standard exercise program,and a manual placebo control group that received static ***,Bowen therapy and static touch treatments were administered in once-weekly 45-minute sessions for 12 weeks;the standard exercise group received weekly supervised exercises for 6 weeks with home exercises until 12 *** 12 weeks,all study participants performed the standard exercises at home for another 12 *** outcome measures:Sleep quality,pressure pain threshold (PPT),quality of life and fibromyalgia impact,physical function,fatigue,pain catastrophizing,kinesiophobia,and positive–negative affect were recorded at baseline,and at weeks 12 and 24 of the ***:At the end of 12 weeks,the sleep quality improved significantly in the CST group (P=0.037) and Bowen therapy group (P=0.023),and the PPT improved significantly in the Bowen therapy group(P=0.002) and the standard exercise group (Pred to the static touch *** improvements were maintained at 24 *** between-group differences were observed for other secondary ***:CST and Bowen therapy improv

关键词： Chronic pain Complementary therapies Exercise Fibromyalgia Musculoskeletal manipulations Sleep

Constraining the variable generalized Chaplygin gas model in matter creation cosmology

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Communications in Theoretical Physics 2024年第10期76卷 121-136页

作者： yogesh Bhardwaj C P Singh Department of Applied Mathematics Delhi Technological University

We explore the variable generalized Chaplygin gas（VGCG） model in the theory of matter creation cosmology within the framework of a spatially homogeneous and isotropic flat Friedmann—Lemai tre—robertson—Walker space-time. Matter creation cosmology is based on reinterpretation of the energy–momentum tensor in Einstein's field equations. This creation corresponds to an irreversible energy flow from the gravitational field to the created matter constituents. The variable Chaplygin gas（VCG） is also studied as a particular solution. We use the Markov chain Monte Carlo method to constrain the free parameters of three models, namely,Lambda-Cold-Dark matter（ΛCDM）, VGCG and VCG models with and without matter creation from the latest observational data from baryon acoustic oscillations, cosmic chronometer, type Ia supernovae（Pantheon） including gamma-ray bursts, quasars and the local measurement of H0from r21 data. Two different combinations of dataset provide a fairly tight constraint on the parameters of the ΛCDM, VGCG and VCG models. The present values of various cosmological parameters are obtained, which are very close to the ΛCDM model. Furthermore, we perform stability analysis, Bayesian evidence analysis and information criteria analysis for these models through studying the sound speed, Bayes factor, and Akaike information criteria（AIC） and Bayesian information criteria（BIC） selection criteria. The values of sound speed for VGCG and VCG models shows that both the models are stable. According to AIC, it is observed that VGCG and VCG models with matter creation are supported considerably less by current observations,while BIC shows that these models are not favoured by observational data.

关键词： Chaplygin gas model cosmological model dark energy matter creation

Deep Learning-Based Mask Identification System Using resNet Transfer Learning Architecture

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Computer Systems Science & Engineering 2024年第2期48卷 341-362页

作者： Arpit Jain Nageswara rao Moparthi A.Swathi yogesh Kumar Sharma Nitin Mittal Ahmed Alhussen Zamil S.Alzamil MohdAnul Haq Department of Computer Science and Engineering KoneruLakshmaiah Education FoundationVaddeswaram522302India Department of Computer Science and Engineering Sreyas Institute of Engineering and TechnologyHyderabad500068India University Centre for research and Development Chandigarh UniversityMohali140413India Department of Computer Engineering College of Computer and Information SciencesMajmaah UniversityAl-Majmaah11952Saudi Arabia Department of Computer Science College of Computer and Information SciencesMajmaah UniversityAl-Majmaah11952Saudi Arabia

recently,the coronavirus disease 2019 has shown excellent attention in the global community regarding health and the *** Health Organization(WHO)and many others advised controlling Corona Virus Disease in *** limited treatment resources,medical resources,and unawareness of immunity is an essential horizon to *** all resources,wearing a mask is the primary non-pharmaceutical intervention to stop the spreading of the virus caused by Severe Acute respiratory Syndrome Coronavirus 2(SArS-CoV-2)*** countries made masks mandatory to prevent *** such enforcement,automatic and effective face detection systems are *** study presents a face mask identification approach for static photos and real-time movies that distinguishes between images with and without *** contribute to society,we worked on mask detection of an individual to adhere to the rule and provide awareness to the public or *** paper aims to get detection accuracy using transfer learning from residual Neural Network 50(resNet-50)architecture and works on detection *** experiment is tested with other popular pre-trained models such as Deep Convolutional Neural Networks(AlexNet),residual Neural Networks(resNet),and Visual Geometry Group Networks(VGG-Net)advanced *** proposed system generates an accuracy of 98.4%when modeled using residual Neural Network 50(resNet-50).Also,the precision and recall values are proved as better when compared to the existing *** outstanding work also can be used in video surveillance applications.

关键词： Transfer learning depth analysis convolutional neural networks(CNN) COVID-19

Endoscopic full-thickness plication along with argon plasma coagulation for treatment of proton pump inhibitor dependent gastroesophageal reflux disease

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World Journal of Gastrointestinal Endoscopy 2024年第5期16卷 250-258页

作者： yogesh Harwani Shreya Butala Balaji More Varun Shukla Anand Patel Department of Gastroenterology Nobel Gastro HospitalAhmedabad 408409GujaratIndia Department of Gastroenterology Sanjay Gandhi Post Graduate Institute of Medical SciencesLucknow 226014Uttar PradeshIndia Department of Pharmacology Mahatma Gandhi Medical College and Research InstitutePuducherry 607402PuducherryIndia Department of Gastroenterology Noble Institute of GastroenterologyAhmedabad 380009GujratIndia

BACKGrOUND Most endoscopic anti-reflux interventions for gastroesophageal reflux disease(GErD)management are technically challenging to practice with inadequate data to support it ***,this study was carried to evaluate the effectiveness and safety newer endoscopic full-thickness fundoplication(EFTP)device along with Argon Plasma Coagulation to treat individuals with *** To evaluate the effectiveness and safety newer EFTP device along with Argon Plasma Coagulation to treat individuals with *** This study was a single-center comparative analysis conducted on patients treated at a Noble Institute of Gastroenterology,Ahmedabad,hospital between 2020 and *** research aimed to retrospectively analyze patient data on GErD symptoms and proton pump inhibitor(PPI)dependence who underwent EFTP using the GErD-X system along with argon plasma coagulation(APC).The primary endpoint was the mean change in the total gastroesophageal reflux disease health-related quality of life(GErD-HrQL)score compared to the baseline measurement at the 3-month *** endpoints encompassed enhancements in the overall GErD-HrQL score,improvements in GErD symptom scores at the 3 and changes in PPI usage at the 3 and 12-month time *** In this study,patients most were in Hill Class II,and over half had ineffective esophageal *** the EFTP procedure,there were significant improvements in heartburn and regurgitation scores,as well as GErDHrQL scores(Preased,with 82.6%not needing PPIs or prokinetics at end of 1 *** significant adverse events related to the procedures were observed in either *** The EFTP along with APC procedure shows promise in addressing GErD symptoms and improving patients'quality of life,particularly for suitable ***,the application of a lone clip with APC yielded superior outcomes and exhibited greater cost-effectiveness.

关键词： Gastroesophageal reflux disease Endoscopy Quality of life Endoscopic antireflux interventions retrospective data analysis Gastroesophageal reflux disease symptom scores Proton pump inhibitor

Effects of Gmelina arborea extract on experimentally induced diabetes

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Asian Pacific Journal of Tropical Medicine 2013年第2期6卷 602-608页

作者： yogesh Anant kulkarni Addepalli Veeranjaneyulu SPP School of Pharmacy and Technology Management SVKM ' s NMIMS University

Objective: To study the effects of aqueous extract of Gmelina arborea bark on normoglycemic levels and streptozotocin (STZ) induced diabetes in rats. Methods: After single administration of the aqueous extract, plasma glucose level was determined up to 6 h. In subacute study, the aqueous extract was administered for 28 d and plasma glucose level was determined weekly. The diabetes was induced in rats by the intraperitoneal injection of STZ at a dose of 55 mg/kg body weight. The diabetic animals were divided into four groups containing six in each: Group 栺 diabetic control, Group 栻 and 栿 treated with the aqueous extract respectively at a dose of 250 and 500 mg/kg body weight once daily and Group 桇 treated with glibenclamide at a dose of 0.6 mg/kg body weight once daily. In acute study, the aqueous extract and glibenclamide were administered orally to rats. Plasma glucose levels were determined at 30, 60, 120, 240 and 360 min after the administration of the test samples. To study subacute effects, test samples (the aqueous extract and glibenclamide) were administered for 28 d consecutively. The effects of each test sample on plasma glucose level, body weight as well as food and water intake were also monitored weekly. The oral glucose tolerance test and biochemical indicators were estimated on day 28. results: The aqueous extract did not significantly decrease the plasma glucose level in the normoglycemic rats as shown by the acute and subacute assays. However, after oral administration of the aqueous extract, the plasma glucose level was significantly ( Preased in the diabetic rats in the acute study. The long-term administration of the aqueous extract significantly ( Preduced plasma glucose levels of the diabetic rats. Additionally, the aqueous extract also reduced loss of body weight and significantly decreased food and water intake in the diabetic animals. Nevertheless, no effects on biochemical indicators were observed at the selected doses. Co

关键词： Gmelina arborea Aqueous extract Streptozotocin Antidiabetic

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Formononetin alleviates diabetic cardiomyopathy by inhibiting oxidative stress and upregulating SIrT1 in rats

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Asian Pacific Journal of Tropical Biomedicine 2020年第6期10卷 254-262页

作者： Manisha J.Oza yogesh A.kulkarni Shobhaben Pratapbhai Patel School of Pharmacy&Technology Management SVKM's NMIMSV.L.Mehta RoadVile Parle(W)Mumbai 400056India SVKM's Dr.Bhanuben Nanavati College of Pharmacy Vile Parle(W)Mumbai 400056India

Objective:To evaluate the effect of formononetin on type 2 diabetic ***:Diabetes was induced by feeding high-fat diet for 2 weeks and administration of 35 mg/kg of streptozotocin in *** was administered at 10,20 and 40 mg/kg for 16 weeks once a *** glucose,lipid parameters,and cardiac markers in blood samples were *** weight and relative heart weight were *** parameters,oxidative stress parameters and silence information regulator 1(SIrT1)expression in cardiac tissue were *** changes in cardiac tissue were also ***:Formononetin significantly reduced the levels of glucose,triglycerides,cholesterol,low density lipoprotein,creatine kinaseMB,lactate dehydrogenase and aspartate *** addition,formononetin significantly improved hemodynamic parameters,alleviated oxidative stress and increased SIrT1 ***:The study indicates that formononetin can improve hyperglycemia and hyperlipemia,reduce oxidative stress and increase SIrT1 *** can be a potential therapeutic agent for diabetic cardiomyopathy.

关键词： Cardiomyopathy Formononetin Type 2 diabetes SIrT1 Creatinine kinase Cardiac hypertrophy

Improved performance of naringenin herbosomes over naringenin in streptozotocin- induced diabetic rats: In vitro and in vivo evaluation

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Asian Pacific Journal of Tropical Biomedicine 2021年第9期11卷 385-393页

作者： ruthvika Joshi Ankit P.Laddha yogesh A.kulkarni Sarika Wairkar Shobhaben Pratapbhai Patel School of Pharmacy&Technology Management SVKM's NMIMSV.L.Mehta RoadVile Parle(W)Mumbai.Maharashtra-400056India

Objective:To prepare naringenin herbosome and evaluate its antidiabetic ***:Herbosomes were prepared by the solvent evaporation *** vitro parameters like particle size,polydispersity index,zeta potential,and entrapment efficiency were estimated and in vitro diffusion study was *** in vivo studies were also performed in streptozotocin-induced diabetic male Sprague Dawley rats to evaluate blood glucose,total cholesterol,triglyceride,blood urea nitrogen,total protein,albumin level,aspartate aminotransferase,and alanine aminotransferase ***:The optimized herbosome batch showed a particle size of 564.4 nm,a polydispersity index of 0.412,and zeta potential of−39.3 *** percentage entrapment of this formulation was 84.04%,with complete drug release within 8 *** of diabetic rats with naringenin herbosomes for 28 d significantly reduced the elevated level of plasma glucose as compared to plain *** biochemical parameters,the treatment showed a significant decrease in total cholesterol,triglyceride,and blood urea nitrogen;while elevated levels of aspartate aminotransferase and alanine aminotransferase were returned to *** naringenin and herbosome formulation at high dose increased the total protein whereas albumin level significantly increased in naringenin herbosomes at the highest dose but not in the pure naringenin treatment ***:Naringenin herbosomes could improve the metabolic profile of diabetic rats,indicating enhanced antidiabetic activity of herbosome formulation.

关键词： Naringenin Herbosomes Blood glucose level Biochemical parameters Antidiabetic activity

Alternative models of cancer stem cells: The stemness phenotype model, 10 years later

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World Journal of Stem Cells 2021年第7期13卷 934-943页

作者： Vivek Kaushik yogesh kulkarni Kumar Felix Neelam Azad Anand Krishnan V Iyer Juan Sebastian Yakisich School of Pharmacy Department of Pharmaceutical SciencesHampton UniversityHamptonVA 23668United States

The classical cancer stem cell(CSCs)theory proposed the existence of a rare but constant subpopulation of *** this model cancer cells are organized hierarchically and are responsible for tumor resistance and tumor ***,eliminating CSCs will eventually lead to cure of *** simplistic model has been challenged by experimental *** 2010 we proposed a novel and controversial alternative model of CSC biology(the Stemness Phenotype Model,SPM).The SPM proposed a non-hierarchical model of cancer biology in which there is no specific subpopulation of CSCs in ***,cancer cells are highly plastic in term of stemness and CSCs and non-CSCs can interconvert into each other depending on the *** model predicts the existence of cancer cells ranging from a pure CSC phenotype to pure non-CSC phenotype and that survival of a single cell can originate a new *** the past 10 years,a plethora of experimental evidence in a variety of cancer types has shown that cancer cells are indeed extremely plastic and able to interconvert into cells with different stemness *** this review we will(1)briefly describe the cumulative evidence from our laboratory and others supporting the SPM;(2)the implications of the SPM in translational oncology;and(3)discuss potential strategies to develop more effective therapeutic regimens for cancer treatment.

关键词： Cancer Stem cells Stemness Plasticity Chemotherapy Interconversion