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Long-term outcomes of urethral balloon dilation for anterior urethral stricture: A prospective cohort study

Asian Journal of Urology 2024年第3期11卷 480-485页

作者： Ahmed M.Abdel Gawad Abhijit Patil abhishek singh Arvind P.Ganpule Ravindra B.Sabnis Mahesh R.Desai Department of Urology Muljibhai Patel Urological HospitalNadiadIndia Department of Urology Faculty of MedicineAl-Azhar UniversityDamiettaEgypt

Objective:To prospectively follow up a cohort of anterior urethral stricture disease patients managed with balloon dilation(BD)for 3 years to evaluate the long-term outcomes and to study factors that contribute to ***:This study included men who had urethral BD for significant anterior urethral stricture disease between January 2017 and March *** about the patient age,stricture characteristics,and recurrence date were recorded,along with information on postoperative indwelling catheter use and operative ***,information about the self-calibration procedure was collected and where available,free flow(FF)measurements during the follow-up period were recorded and *** was defined as a lack.of symptoms and acceptable FF rates(maximum flow rate>12 mL/s).Results:The final analysis was conducted on 187 *** mean follow-up period was 37 *** long-term overall success rate at the end of our study was 66.8%.Our recurrence rate was 7.4%at 12 months,24.7%at 24 months,and reached 33.2%at the end of our *** time to recurrence ranged from 91 days to 1635 days,with a mean of 670 *** stricture-free survival was significantly shorter with lengthy peno-bulbar(p=0.031)and multiple strictures(p=0.015),and in the group of patients who were not committed to self-calibration protocol(p<0.011).However,post-procedural self-calibration was the most important factor that may have decreased the incidence of recurrence(odds ratioZ5.85).Adjuvant self-calibration after BD not only reduced the recurrence rate from 85.4%in the non-self-calibration group to 15.1%in the self-calibration one(p<0.001),but also improved the overall stricture-free survival and FF parameters.

关键词： Balloon dilation Internal urethrotomy Recurrence Self-calibration Urethral stricture

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Exploring the Potential of Syzygium cumini(L.)Sk.els(Jamun)Seed Powder as an Eco-Friendly Agent for Developing Friction Ridges on Porous and Nonporous Surfaces

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Journal of Forensic Science and Medicine 2024年第2期10卷 75-83页

作者： Vaibhav Sharma abhishek R.Rai Divyansh Jain Poonam k.mari Varad Nagar Anubhav singh k.mud k.nt Awasthi Archana Gautam Tina Sharma Mahipal singh Sank.la Anuj Sharma Department of Forensic Science Vivekananda Global UniversityJaipurRajasthanIndia School of Forensics Risk Management and National SecurityRashtriya Raksha UniversityLavadGujaratIndia Department of Life Sciences Vivekananda Global UniversityJaipurRajasthanIndia Department of Forensic Science UIAHSChandigarh UniversityMohaliPunjabIndia University Centre for Research and Development Chandigarh UniversityMohaliPunjabIndia Department of Forensic Science ITM UniversityGwaliorM.P.India

Back.round:Development of obscured fingerprints on a diverse range of surfaces is a crucial aspect of forensic *** and Objectives:In this particular study,the utilization of Syzygium cumini(L.)Sk.els(Jamun)seed powder was examined for the purpose of revealing hidden fingerprints on a variety of surfaces,including both permeable and impermeable *** and Methods:The seed powder was extracted using a simple process and was analysed using multiple analytical *** efficacy of the jamun seed powder in developing latent fingerprints was ***:The findings of this investigation demonstrate that the jamun seed powder was capable of producing fingerprint patterns of exceptional quality and clarity on numerous ***:This research highlights the potential use of jamun seed powder as a practical and effective alternative for the development of hidden fingerprints in forensic investigations,while also providing cost-effectiveness.

关键词： Forensic investigation jamun seed latent fingerprints medicinal value

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Parents’s k.owledge and awareness about hepatitis B can influence the vaccination of their children

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World Journal of Virology 2024年第2期13卷 96-106页

作者： Nanda Chhavi Geetik. Srivastava Mariya Waseem abhishek Yadav Surender singh Rajani singh Amit Goel Department of Paediatrics Era’s Lucknow Medical CollegeLucknow 226003Uttar PradeshIndia Medical Consultant National Disease Control ProgramNational Health MissionLucknow 226003Uttar PradeshIndia Department of Hepatology Sanjay Gandhi Postgraduate Institute of Medical SciencesLucknow 226014Uttar PradeshIndia

BACk.ROUND Birth-dose(Hep-BD)followed by three additional doses(Hep-B3)of hepatitis B virus(HBV)vaccine are k.y to eliminating HBV by ***,Hep-BD and Hep-B3 coverage in our country is *** To studied the parent’s k.owledge and awareness about HBV infection,its prevention,consequences and *** Parents of 6 months to 8 years old children were interviewed to assess their k.owledge&awareness about hepatitis B,its transmission,prevention,illness caused by this,and *** close-ended questions were admini-stered,and responses were recorded as‘yes’,‘no’,or‘not sure’.HBV k.owledge score was calculated based on the sum of correct *** correct response scored one point and incorrect,missing or‘not sure’responses received no *** data are presented as number(%)and numerical data are expressed as *** were compared using Chi2 tests and level of significance was k.pt as Pk.ew about polio,tetanus,and hepatitis B ***,41.2%,15.8%,and 23%parents k.ew about hepatitis B transmission,consequences of infection,and prevention *** 7.6%parents k.ew about three-dose schedule of hepatitis B *** 23%parents believed that vaccine could prevent HBV,15.7%k.ew that HBV affects *** of Hep-B3 vaccinated children were significantly more aware about HBV than the parents of unvaccinated children(Pk.owledge and awareness among the parents about hepatitis B is *** Increasing k.owledge/awareness about HBV among parents may improve Hep-B3 vaccination coverage.

关键词： Hepatitis B Viral hepatitis Cirrhosis Hepatocellular carcinoma Hepatotropic viruses Transfusion transmitted infection Mother to child transmission

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Chemical hardness-driven interpretable machine learning approach for rapid search of photocatalysts

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npj Computational Materials 2021年第1期7卷 1850-1862页

作者： Ritesh k.mar abhishek k.singh Materials Research Centre Indian Institute of ScienceBangaloreKarnataka 560012India

Strategies combining high-throughput(HT)and machine learning(ML)to accelerate the discovery of promising new materials have garnered immense attention in recent *** k.owledge of new guiding principles is usually scarce in such studies,essentially due to the‘black.box’nature of the ML ***,we devised an intuitive method of interpreting such opaque ML models through SHapley Additive exPlanations(SHAP)values and coupling them with the HT approach for finding efficient 2D watersplitting *** developed a new database of 30992D materials consisting of metals connected to six ligands in an octahedral geometry,termed as 2DO(octahedral 2D materials)*** ML models were constructed using a combination of composition and chemical hardness-based features to gain insights into the thermodynamic and overall *** importantly,it distinguished the target properties of the isocompositional 2DO materials differing in bond connectivities by combining the advantages of both elemental and structural *** interpretable ML regression,classification,and data analysis lead to a new hypothesis that the highly stable 2DO materials follow the HSAB *** most stable 2DO materials were further screened based on suitable band gaps within the visible region and band alignments with respect to standard redox potentials using the GW method,resulting in 21 potential ***,HfSe_(2)and ZrSe_(2)were found to have high solar-tohydrogen efficiencies reaching their theoretical *** proposed methodology will enable materials scientists and engineers to formulate predictive models,which will be accurate,physically interpretable,transferable,and computationally tractable.

关键词： intuitive formulate visible

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Three-phase AC-DC Converter for Direct-drive PMSG-based Wind Energy Conversion System

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Journal of Modern Power Systems and Clean Energy 2023年第2期11卷 589-598页

作者： k.mar abhishek singh Ayushi Chaudhary k.lpana Chaudhary Department of Electrical Engineering Indian Institute TechnologyVaranasiIndia Department of Electrical Engineering Indian Institute TechnologyKanpurIndia

In this paper,a wind energy conversion system(WECS)is presented for the electrification of rural areas with wind energy availability.A three-phase AC-DC converter based on a bridgeless Cuk.converter is used for power extraction from the permanent magnet synchronous generator(PMSG).The bridgeless topology enables the elimination of the front-end diode bridge rectifier(DBR).Moreover,the converter has fewer components,simple control,and high efficiency,mak.ng it suitable for a small-scale WECS.A squirrel cage induction motor(SCIM)is used to emulate a MOD-2 wind turbine to implement the PMSG-based WECS.A direct-drive eight-pole PMSG is used in this study;thus,a low-input-voltage system is *** converter is designed to operate in the discontinuous inductor current mode(DICM)for inherent power factor correction(PFC)and the maximum power point track.ng(MPPT)is achieved through the tip-speed ratio(TSR)*** performance of the developed system is analyzed through simulation,and a 500 W hardware prototype is developed and tested in different wind speed conditions.

关键词： Permanent magnet synchronous generator(PMSG) three-phase AC-DC converter wind energy conversion system(WECS) wind turbine emulator

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Anticoagulant use before COVID-19 diagnosis prevent COVID-19 associated acute venous thromboembolism or not:A systematic review and meta-analysis

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World Journal of Methodology 2024年第3期14卷 141-162页

作者： k.nza Iqbal Ak.hat Banga Taha Bin Arif Sawai singh Rathore abhishek Bhurwal Syeda k.sa Batool Naqvi Muhammad Mehdi Pank.j k.mar Mitali Madhu Salk.an Ayman Iqbal Jawad Ahmed Nik.il Sharma Amos Lal Rahul k.shyap Vik.s Bansal Juan Pablo Domecq Department of Internal Medicine Dow Medical CollegeKarachi 74200Pakistan Department of Internal Medicine Sawai Man Singh Medical CollegeJaipur 302004India Department of Internal Medicine Dr.Sampurnanand Medical CollegeJodhpur 342003RajasthanIndia Department of Gastroenterology and Hepatology Rutgers Robert Wood Johnson School of MedicineNew BrunswickNJ 08901United States Department of Internal Medicine Pandit Bhagwat Dayal Sharma Post Graduate Institute of Medical SciencesRohtak 124001HaryanaIndia Department of Nephrology and Hypertension Mayo ClinicRochesterMN 55905United States Department of Medicine Division of Pulmonary and Critical Care MedicineMayo ClinicRochesterMN 55905United States Department of Research Wellspan HealthYorkPA 17403United States

BACk.ROUND Coagulopathy and thromboembolic events are associated with poor outcomes in coronavirus disease 2019(COVID-19)*** is conflicting evidence on the effects of chronic anticoagulation on mortality and severity of COVID-19 *** To summarize the body of evidence on the effects of pre-hospital anticoagulation on outcomes in COVID-19 *** A Literature search was performed on LitCovid PubMed,WHO,and Scopus databases from inception(December 2019)till June 2023 for original studies reporting an association between prior use of anticoagulants and patient outcomes in adults with *** primary outcome was the risk.of thromboembolic events in COVID-19 patients tak.ng *** outcomes included COVID-19 disease severity,in terms of intensive care unit admission or invasive mechanical ventilation/intubation requirement in patients hospitalized with COVID-19 infection,and *** random effects models were used to calculate crude and adjusted odds ratios(aORs)with 95%confidence intervals(95%CIs).RESULTS Forty-six observational studies met our inclusion *** unadjusted analysis found no association between prior anticoagulation and thromboembolic event risk.n=43851,9 studies,odds ratio(OR)=0.67(0.22,2.07);P=0.49;I2=95%].The association between prior anticoagulation and disease severity was non-significant[n=186782;22 studies,OR=1.08(0.78,1.49);P=0.64;I2=89%].However,pre-hospital anticoagulation significantly increased all-cause mortality risk.n=207292;35 studies,OR=1.72(1.37,2.17);Pk.aOR=0.87(0.42,1.80);P=0.71],mortality[aOR=0.94(0.84,1.05);P=0.31],and disease severity[aOR=0.96(0.72,1.26);P=0.76].CONCLUSION Prehospital anticoagulation was not significantly associated with reduced risk.of thromboembolic events,improved survival,and lower disease seve

关键词： Prior anticoagulation COVID-19 Prehospital anticoagulation Chronic anticoagulation Mortality Severity Thromboembolic events

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Graphene coatings for corrosion resistance of nick.l and copper in acidic,alk.line and neutral environments

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Journal of Materials Science & Technology 2023年第11期142卷 124-133页

作者： R.k.singh Raman abhishek k.mar Arya k.vin Tomy Faisal A Dip Evelyn Lai Saad Al-Saadi Department of Mechanical&Aerospace Engineering Monash UniversityVic 3800Australia Department of Chemical&Biological Engineering Monash UniversityVic 3800Australia

Graphene coatings have been reported to provide impressive corrosion resistance to nick.l(Ni)and copper(Cu),because of remark.ble characteristics of inertness and impermeablity of ***,as the earlier investigations have generally been carried out in chloride environment,and it is important to understand the performance of graphene coating also in more aggressive environments such as acids and *** study investigated the electrochemical corrosion behaviour of bare and graphene-coated(by chemical vapour deposition(CVD))Ni and Cu in 0.5 M H_(2)SO_(4),0.1 M NaCl and 0.5 M NaOH *** tests and post corrosion characterisation revealed the improvement in the corrosion resistance of Ni due to multilayer graphene coating to be similar in the three solutions,i.e.,the robustness of the barrier property of the multilayer graphene is largely unaffected by the aggressiveness of the corrosive ***,the improvement in corrosion resistance of bare Ni due to multilayer graphene is considerably greater(nearly 3 orders of magnitude)in the most aggressive of the test solutions(0.5 M H_(2)SO_(4)).The improvement is considerably less in 0.5 M NaOH because bare Ni develops a robust passive layer in highly alk.line *** improvement in corrosion resistance of bare Cu is limited(within an order of magnitude)in the three solutions because Cu develops only 1-2 layers of graphene.

关键词： CVD graphene coatings Electrochemical impedance spectroscopy(EIS) Potentiodynamic polarization(PDP) Raman spectroscopy

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Secure Watermark.ng Scheme for Color DICOM Images in Telemedicine Applications

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Computers, Materials & Continua 2022年第2期70卷 2525-2542页

作者： k.mred Udham singh Hatem Salem Abu-Hamatta abhishek k.mar Achintya singhal Mamoon Rashid A.k.Bashir Department of Computer Science and Information Engineering National Cheng Kung UniversityTainanTaiwan Department of Applied Sciences Aqaba University CollegeAl Balqa Applied UniversityAqabaJordan School of Computer Science&IT JAIN(to be Deemed University)BangaloreIndia Department of Computer Science Banaras Hindu UniversityVaranasiIndia Department of Computer Engineering Faculty of Science and TechnologyVishwakarma UniversityPune411048India Department of Computing and Mathematics ManchesterMetropolitan UniversityUK

Teleradiology plays a vital role in the medical field,which permits transmitting medical and imaging data over a communication *** ensures data reliability and provides convenient communication for clinical interpretation and diagnostic *** transmission of this medical data over a network.raises the problems of legal,ethical issues,privacy,and copyright *** copyright protection of medical images is a significant issue in the medical *** schemes are used to address these issues.A gray-level or binary image is used as a watermark.frequently in color image watermark.ng *** this paper,the authors propose a novel non-blind medical image watermark.ng scheme based on 2-D LiftingWavelet Transform(LWT),Multiresolution Singular Value Decomposition(MSVD),and LU factorization to improve the robustness and authenticity of medical *** this scheme,multiple color watermark. are embedded into the colored DICOM(Digital Imaging and Communications inMedicine)images obtained from Color Doppler images(DICOM format),and the average results achieved by our proposed scheme is 46.84 db for Peak.Signal-to-Noise Ratio(PSNR),37.46 db for Signal-to-Noise Ratio(SNR),0.99 for Quality of Image and 0.998 for Normalized Correlation for various image processing *** results mak. our watermark.ng technique an ideal candidate for medical image watermark.ng.

关键词： Digital imaging medicine multiresolution medical image watermark.ng

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Organic bulk.heterojunction enabled with nanocapsules of hydrate vanadium pentaoxide layer for high responsivity self-powered photodetector

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Journal of Semiconductors 2022年第9期43卷 39-45页

作者： Hemraj Dahiya Anupam Agrawal Ganesh D.Sharma abhishek k.mar singh The LNM Institute of Information Technology Department of PhysicsJaipurRajasthan 302031India Bhilai Institute of Technology DurgChhattisgarh491001India Rajiv Gandhi Institute of Petroleum Technology Department of Electronics EngineeringAmethiU.P.229304India

This article demonstrates the fabrication of organic-based devices using a low-cost solution-processable technique.A blended heterojunction of chlorine substituted 2D-conjugated polymer PBDB-T-2Cl,and PC71BM supported nanocapsules hy-drate vanadium penta oxides(HVO)as hole transport layer(HTL)based photodetector fabricated on an ITO coated glass sub-strate under ambient *** device forms an excellent organic junction diode with a good rectification ratio of~*** device has also shown excellent photodetection properties under photoconductive mode(at reverse bias)and zero bias for green light wavelength.A very high responsivity of~6500 mA/W and high external quantum efficiency(EQE)of 1400%have been reported in the *** proposed organic photodetector exhibits an excellent response and recovery time of~30 and~40 ms,respectively.

关键词： self-powered detector green light sensor HVO PBDB-T-2Cl detector processable solution sensor

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Achievements and prospects of grass pea(Lathyrus sativus L.) improvement for sustainable food production

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The Crop Journal 2016年第5期4卷 407-416页

作者： Girish Prasad Dixit Ashok.k.mar Parihar abhishek Bohra Narendra Pratap singh ICAR-Indian Institute of Pulses Research (IIPR)

Grass pea offers an attractive choice for sustainable food production, owing to its intrinsic properties including limited water requirement and drought tolerance. However, low productivity and the presence of a neurotoxin(ODAP) have posed major obstacles to its genetic improvement. Also, biotechnological investments remain limited and the genome is complex and not well understood. Strategies that allow identification of genotypes with reduced ODAP content, coupling of low ODAP content with enhanced yield, and effective seed detoxification methods merit immediate attention. Breeder-friendly genomic tools are being increasingly made available to improve the efficiency of breeding protocols. To this end, the application of next-generation sequencing has provided a means of leveraging the repertoire of genomic resources for this somewhat neglected crop. In this review, we describe progress achieved in Lathyrus genetic improvement. We also explore potential opportunities in Lathyrus research and identify urgent research needs.

关键词： Grass pea Genetic resource Genetic improvement Molecular mark.r Molecular breeding Toxin

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