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Sitagliptin,sitagliptin and metformin,or sitagliptin and amitriptyline attenuate streptozotocin-nicotinamide induced diabetic neuropathy in rats

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The Journal of Biomedical Research 2012年第3期26卷 200-210页

作者： Ashish kumar Sharma Akash Sharma Rita kumari Kunal Kishore Divya Sharma Bharthu Parthsarthi Srinivasan Ashok Sharma Santosh kumar Singh Samir Gaur Vijay Singh Jatav prashant Sharma Varnika Srivastava Sneha Joshi Megha Joshi prashant kumar dhakad Davender Singh Kanawat Akanksha Mishra Anil Sharma Dharmendra Singh Ravinder Pal Singh Himmat Singh Chawda Rambir Singh Sachin kumar Raikwar Muneem kumar Kurmi Pankaj Khatri Ashutosh Agarwal Arshee Munajjam Department of Pharmacology Gyan Vihar School of PharmacySuresh Gyan Vihar UniversityJagatpuraJaipur(Rajasthan)302025India Department of Pharmacology Delhi Institute of Pharmaceutical Sciences&ResearchPushpviharNew Delhi 110017India Department of Pharmacology Kota Collage of PharmacyRIICO Industrial AreaRanpurKota(Rajasthan)Pincode 302025India

Diabetic neuropathies are a family of nerve disorders caused by diabetes. Symptoms of the disease include nerve palsy, mononeuropathy, mononeuropathy multiplex, diabetic amyotrophy, painful polyneuropathy, autonomic neu- ropathy, and thoracoabdominal neuropathy. In this study, type 2 diabetes in rats was induced with nicotinamide- streptozotocin. Drug treatment was initiated on the d 15, with the combination regimen of metformin, pioglitazone and glimipiride or metformin and sitagliptin or sitagliptin, amitriptyline and sitagliptin and led to significantly im- proved glycemic control, increased grip strength and paw jumping response on d 21, 28 and 35 （P 〈 0.001）. Signif- icant increases in blood protein levels and decreases in urinary protein levels were observed in the animals treated with the different regimens on d 21, 28 and 35 （P 〈 0.001）. Combined treatment of streptozotocin and nicotinamide caused marked degeneration of nerve cells, while administration of metformin and sitagliptin showed tissue regen- eration and no body weight gain. In conclusion, treatment with sitagliptin and sitagliptin combined with metformin or amitriptyline results in no body weight gain, but causes an increase in grip strength and pain sensitivity, exhibits neural protection, and reverses the alteration of biochemical parameters in rats with streptozotocin-nicotinamide induced type 2 diabetes.

关键词： diabetic neuropathy nicotinamide-streptozotocin metformin pioglitazone glimipiride sitagliptin amitriptyline

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Metabolic engineering and genome editing strategies for enhanced lipid production in microalgae

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BIOCELL 2024年第8期48卷 1181-1195页

作者： ANJANI DEVI CHINTAGUNTA SAMUDRALA prashant JEEVAN kumar NUNE SATYA SAMPATH kumar Department of Biotechnology Vignan’s Foundation ScienceTechnology and ResearchVadlamudiAndhra Pradesh522213India ICAR-Directorate of Floricultural Research Pune412307India

Depleting global petroleum reserves and skyrocketing prices coupled with succinct supply have been a grave concern,which needs alternative sources to conventional *** microalgae have been explored for enhanced lipid production,leading towards biodiesel *** microalgae have short life cycles,require less labor,and space,and are easy to scale ***,the primary source of lipids needed to produce biodiesel,is accumulated by most *** article focuses on different types of oleaginous microalgae,which can be used as a feedstock to produce *** biosynthesis in microalgae occurs through fatty acid synthesis and TAG synthesis ***-depth discussions are held regarding other efficient methods for enhancing fatty acid and TAG synthesis,regulating TAG biosynthesis bypass methods,blocking competing pathways,multigene approach,and genome *** most potential targets for gene transformation are hypothesized to be a malic enzyme and diacylglycerol acyltransferase while lowering phosphoenolpyruvate carboxylase activity is reported to be advantageous for lipid synthesis.

关键词： Oleaginous microalgae Biodiesel TAG synthesis Metabolic engineering Genome editing

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Physico-chemical properties of wild edible fruit Meyna laxifora Robyns(Alu):production of Alu fruit powder by using drying aid

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Journal of Future Foods 2024年第4期4卷 353-360页

作者： Rohini Vijay Dhenge Arjun Mohanakumar Suhel Bhendawade prashant Chavhan Sagar Deshpande Pooja Lade Abhijeet Gatade Akshaya kumar Sahoo Deparment of Food and Dnug.University of Parma Parma 43124.Italy Deparoment of Food Science and Technolog Shivaji UniversityKolhapurMaharashtra 416004.India

The study focuses on the physico-chemical characteritics of the wild fruit Meyna laxiflora Robyns(Alu)and fruit powder,which was gathered from the Konkan region of Maharashtra Alu fruit powder is made by using a drying aid called maltodextrin(MD).Powder samples(MP1,MP2,MP3,MP4 and MP5)were made using different amounts of MD(05,10,15,2.0 and 2.5 g).Preliminary phytochemical screening of fnuit pulp and powder showed the presence of some phytoconstituents such as reducing sugar,saponin,flavonoids,and terpenoids,whereas akaloids,tannins,steroids and protein were absent in *** parameters of the powder are durectly infuenced by the amount of MD,as evidenced by the variations in bulk density,total soluble solids,pH,specific gravity and the proximate among the powder *** solubility was found in the sample with a medium of *** highest of particle distribution was found in MD-added samples MP2(1 g),MP3(1.5 g),MP4(2 g)whereas the raw(MPO)showed the *** analysis was done using 9-point hedonic scale,which revealed that MP2,MP3,and MP4 were highly *** study assumed that fresh Alu fuit,palp and in the form of powder can be useful for the development of new products.

关键词： Meyna laxiflora Robyns Maltodextrin Solubility Particle size distribution Sensory analysis

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Boundary Element Modeling of Multiconnected Ocean Basin in Visakhapatnam Port Under the Resonance Conditions

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China Ocean Engineering 2021年第5期35卷 662-675页

作者： prashant kumar Prachi PRIYA RAJNI Department of Applied Sciences National Institute of Technology DelhiDelhi 110040India Jindal Global Business School O P Jindal Global UniversitySonipatHaryana 131001India

A mathematical model has been developed to analyze the influence of extreme water waves over multiconnected regions in Visakhapatnam Port,India by considering an average water depth in each multiconnected *** addition,partial reflection of incident waves on coastal boundary is also *** domain of interest is divided mainly into two regions,i.e.,open sea region and harbor region namely as Region-I and Region-II,***,Region-II is divided into multiple connected *** 2-D boundary element method(BEM)including the Chebyshev point discretization is utilized to solve the Helmholtz equation in each region separately to determine the wave *** numerical convergence is performed to obtain the optimum numerical accuracy and the validation of the current numerical approach is also conducted by comparing the simulation results with existing *** four key spots based on the moored ship locations in Visakhapatnam Port are identified to perform the numerical *** wave amplification at these locations is estimated for monochromatic incident waves,considering approximate water depth and different reflection coefficients on the wall of port under the resonance *** addition,wave field analysis inside the Visakhapatnam Port is also conducted to understand resonance *** current numerical model provides an efficient tool to analyze the amplification on any realistic ports or harbors.

关键词： boundary element method amplification factor Helmholtz equation reflection coefficient Visakhapatnam Port

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Mathematical Modeling of Moored Ship Motion in Arbitrary Harbor utilizing the Porous Breakwater

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China Ocean Engineering 2023年第5期37卷 738-752页

作者： Prachi Priya prashant kumar Gulshan Rajni Government Model Sanskriti Senior Secondary School Ganaur Sonipat 131101India Department of Applied Sciences(Mathematics) National Institute of TechnologyDelhi 110036India JindalGobal Business School O.P.Jindal Global UniversitySonepat 131001India

The motion of the moored ship in the harbor is a classical hydrodynamics problem that still faces many challenges in naval operations,such as cargo transfer and ship pairings between a big transport ship and some small ships.A mathematical model is presented based on the Laplace equation utilizing the porous breakwater to investigate the moored ship motion in a partially absorbing/reflecting *** motion of the moored ship is described with the hydrodynamic forces along the rotational motion(roll,pitch,and yaw)and translational motion(surge,sway,and heave).The efficiency of the numerical method is verified by comparing it with the analytical study of Yu and Chwang(1994)for the porous breakwater,and the moored ship motion is compared with the theoretical and experimental data obtained by Yoo(1998)and Takagi et al.(1993).Further,the current numerical scheme is implemented on the realistic Visakhapatnam Fishing port,India,in order to analyze the hydrodynamic forces on moored ship motion under resonance *** model incorporates some essential strategies such as adding a porous breakwater and utilizing the wave absorber to reduce the port’s *** has been observed that these tactics have a significant impact on the resonance inside the port for safe maritime ***,the current numerical model provides an efficient tool to reduce the resonance within the arbitrarily shaped ports for secure anchoring.

关键词： boundary element method Laplace equation porous breakwater partially reflecting/absorbing harbor wall moored ship motion

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Emergence of non-albicans Candida species and antifungal resistance in intensive care unit patients

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Asian Pacific Journal of Tropical Biomedicine 2016年第5期6卷 455-460页

作者： Ravinder Kaur Megh Singh dhakad Ritu Goyal Rakesh kumar Department of Microbiology Lady Hardinge Medical College and Associated Hospitals Department of Microbiology Maulana Azad Medical College and Associated Lok Nayak Hospitals Department of Obstetrics and Gynaecology Maulana Azad Medical College and Associated Lok Nayak Hospitals Department of Anaesthesiology Maulana Azad Medical College and Associated Lok Nayak Hospitals

Objective: To evaluate the epidemiology of candidiasis and the antifungal susceptibility profile of Candida species isolated from the intensive care unit(ICU) ***: The study used a qualitative descriptive design. Relevant samples depending on organ system involvement from 100 ICU patients were collected and *** and speciation of the isolates was conducted by the biochemical *** susceptibility testing was carried out as per CLSI-M27-A3 ***: Ninety Candida isolates were isolated from the different clinical samples: urine(43.3%), tracheal aspirate(31.1%), urinary catheter(12.2%), endotracheal tube(7.8%),abdominal drains(3.3%), sputum(2.2%). The incidence of candidiasis caused by nonalbicans Candida(NAC) species(63.3%) was higher than Candida albicans(36.7%).The various NAC species were isolated as: Candida tropicalis(41.1%), Candida glabrata(10%), Candida parapsilosis(6.7%), Candida krusei(3.3%) and Candida kefyr(2.2%). The overall isolation rate of Candida species from samples was 53.3%. Antifungal susceptibility indicated that 37.8% and 7.8% of the Candida isolates were resistant to fluconazole and amphotericin B, ***: Predominance of NAC species in ICU patients along with the increasing resistance being recorded to fluconazole which has a major bearing on the morbidity and management of these patients and needs to be further worked upon.

关键词： Antifungal resistance Candida species Colonization Intensive care unit patients

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Ayurveda and in silico Approach: A Challenging Proficient Confluence for Better Development of Effective Traditional Medicine Spotlighting Network Pharmacology

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Chinese Journal of Integrative Medicine 2023年第5期29卷 470-480页

作者： Rashmi Sahu prashant kumar Gupta Amit Mishra Awanish kumar Department of Balroga Shri NPA Govt.Ayurveda CollegeRaipur(492010)ChhattisgarhIndia Ayurinformatics Lab Department of KaumarabhrityaAll India Institute of AyurvedaSarita ViharNew Delhi(110076)India Cellular and Molecular Neurobiology Unit Indian Institute of TechnologyJodhpur(342037)RajasthanIndia Department of Biotechnology National Institute of TechnologyRaipur(492010)ChhattisgarhIndia

Coalescence of traditional medicine Ayurveda and in silico technology is a rigor for supplementary development of future-ready effective traditional medicine. Ayurveda is a popular traditional medicine in South Asia, emanating worldwide for the treatment of metabolic disorders and chronic illness. Techniques of in silico biology are not much explored for the investigation of a variety of bioactive phytochemicals of Ayurvedic herbs. Drug repurposing, reverse pharmacology, and polypharmacology in Ayurveda are areas in silico explorations that are needed to understand the rich repertoire of herbs, minerals, herbo-minerals, and assorted Ayurvedic formulations. This review emphasizes exploring the concept of Ayurveda with in silico approaches and the need for Ayurinformatics studies. It also provides an overview of in silico studies done on phytoconstituents of some important Ayurvedic plants, the utility of in silico studies in Ayurvedic phytoconstituents/formulations, limitations/challenges, and prospects of in silico studies in Ayurveda. This article discusses the convergence of in silico work, especially in the least explored field of Ayurveda. The focused coalesce of these two domains could present a predictive combinatorial platform to enhance translational research magnitude. In nutshell, it could provide new insight into an Ayurvedic drug discovery involving an in silico approach that could not only alleviate the process of traditional medicine research but also enhance its effectiveness in addressing health care.

关键词： Ayurveda in silico approach conﬂuence challenge effective therapeutics

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Technical challenges in tackling regulatory concerns for urban atmospheric nanoparticles

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Particuology 2011年第6期9卷 566-571页

作者： prashant kumar Alan Robins Sotiris Vardoulakis Paul Quincey Division of Civil Chemical and Environmental EngineeringFaculty of Engineering and Physical Sciences(FEPS)University of Surrey Environmental Flow(EnFlo)Research Centre FEPSUniversity of Surrey Centre for Radiation Chemical and Environmental HazardsHealth Protection Agency Analytical Science Division National Physical Laboratory

Recent Euro 5 and Euro 6 vehicle emission standards are the first ever initiative to control particles on a number basis at the source. Related standards are also desirable for ambient nanoparticles （taken in this article to be those below 300 rim） to protect against possible adverse effects on public health and the environment. However, there are a number of technical challenges that need to be tackled before developing a regulatory framework for atmospheric nanoparticles. Some of the challenges derive from a lack of standardisation of the key measurement parameters, including sampling, necessary for robust evaluation of particle number concentrations, especially in the context of insufficient knowledge of the physicochemical characteristics of emerging sources （i.e. bio-fuel derived and manufactured nanoparti- cles）. Ideally, ambient concentrations of primary particles could be linked to primary particle emissions by use of nanoparticle dispersion models, and secondary nanoparticles using photochemical modeling tools. The limitations in these areas are discussed. Although there is inadequate information on the exact biological mechanism through which these particles cause harm, it is argued that this should not in itself delay the introduction of regulation. This article reviews the missing links between the existing knowledge of nanoparticle number concentrations and the advances required to tackle the technical challenges implied in developing regulations.

关键词： Airborne and manufactured nanoparticles Particle number concentrations Size distributions Street canyons Ultrafine particles Vehicle emissions

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Sibling composition and child immunization in India and Pakistan,1990-2007

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World Journal of Pediatrics 2014年第2期10卷 145-150页

作者： prashant kumar Singh Sulabha Parsuraman International Institute for Population Sciences(IIPS) Govandi Station RoadDeonarMumbai 400088India Department of Population Policies and Programmes International Institute for Population Sciences(IIPS)Govandi Station RoadDeonarMumbai 400088India

Background:This study aimed to assess trends in gender differentials in child immunization beyond the conventional male-female dichotomy,by considering gender,surviving siblings,birth order and different compositions of older siblings in tandem,during 1990-2007 in India and ***:Using different rounds of Demographic and Health Survey datasets,we adopted the World Health Organization guidelines for appraising full immunization among *** composition of surviving older siblings was ***-Armitage and the Chisquare tests were used to test linear and nonlinear trends,***:Although child immunization has increased during the period of 1990-2007 in both India and Pakistan,results showed that more than 50%of the eligible children did not receive the recommended *** results also showed that boys and girls with no older surviving siblings and those with only surviving siblings of the opposite sex appeared to have fully immunized proportionally compared with the children with other sibling ***:The findings confirmed that girls and boys were not always treated equally,and that there was a clear pattern of selective neglect in child immunization in both countries during the period of 1990-2007.

关键词： gender immunization India Pakistan sibling composition

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A Plane-Symmetric Inhomogeneous Cosmological Model of Perfect Fluid Distribution with Electromagnetic Field Ⅰ

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Communications in Theoretical Physics 2010年第7期54卷 191-196页

作者： Anirudh Pradhan prashant kumarSingh Anil kumar Yadav Department of Mathematics Hindu Post-Graduate College Department of Physics Anand Engineering College(Sharada Group of Institutions)

A plane-symmetric inhomogeneous cosmological model of perfect fluid distribution with electro-magnetic field is obtained. F12 is the non-vanishing component of electromagnetic field tensor. To get a deterministic solution, we assume the free gravitational field is Petrov type-Ⅱ non-degenerate. Some physical and geometric properties of the model are also discussed.

关键词： cosmology electromagnetic field inhomogeneous solution

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