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Bridge plating in the setting of radiocarpal instability:Does distal fixation to the second or third metacarpal matter?A cadaveric study

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World Journal of Orthopedics 2023年第4期14卷 207-217页

作者： Eloy Tabeayo James M Saucedo ramesh c srinivasan Amita R Shah Efstathios Karamanos Jason Rockwood E carlos Rodriguez-Merchan Department of Orthopedic Surgery Albert Einstein College of MedicineMontefiore Medical CenterNew YorkNY 10461United States Houston Methodist Institute for Academic Medicine Houston Methodist Orthopedics and Sports MedicineHoustonTX 77479United States Hand center of San Antonio and the Department of Orthopedic Surgery University of Texas Health Science CenterThe Hand Center of San AntonioSan AntonioTX 78240United States University of Texas Health Science center at San Antonio University of North Carolina at Chapel HillSan AntonioTX 78229United States Surgeon in the Division of Acute care Surgery in the Department of Surgery at Henry Ford Hospital in Detroit UT Health San AntonioSan AntonioTX 78229United States Naval Hospital Yokosuka Yokosuka96350-1600Japan Department of Orthopedic Surgery La Paz University Hospital-IdiPazMadrid 28046Spain

BAcKGROUND Radiocarpal dislocations are rare but potentially devastating *** outcomes are associated with inadequate or lost reduction,such as ulnar translocation,but no consensus exists on the ideal fixation *** bridge plate fixation has been described for various settings in the treatment of complex distal radius fractures and can be fixed distally to the second or third metacarpal,but its application for radiocarpal dislocations has not been *** To determine whether distal fixation to the second or third metacarpal *** Using a cadaveric radiocarpal dislocation model,the effect of distal fixation was studied in two stages:(1)A pilot study that investigated the effect of distal fixation alone;and(2)a more refined study that investigated the effect of described techniques for distal and proximal *** were measured in various parameters to determine the quality of the reduction *** The pilot study found that focusing on distal fixation alone without changing proximal fixation results in ulnar translocation and volar subluxation when fixing distally to the second metacarpal compared with the *** second iteration demonstrated that anatomic alignment in coronal and sagittal planes could be achieved with each *** In a cadaveric radiocarpal dislocation model,anatomic alignment can be maintained with bridge plate fixation to the second metacarpal or the third metacarpal if the described technique is *** considering dorsal bridge plate fixation for radiocarpal dislocations,the surgeon is encouraged to understand the nuances of different fixation techniques and how implant design features may influence proximal placement.

关键词： Wrist Instability Bridge plate Dorsal spanning plate Radiocarpal dislocation model cadaveric study

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In silico prediction of monovalent and chimeric tetravalent vaccines for prevention and treatment of dengue fever

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The Journal of Biomedical Research 2018年第3期32卷 222-236页

作者： Vijayakumar Subramaniyan ramesh Venkatachalam Prabhu srinivasan Manogar Palani computational Phytochemistry Laboratory P.G. and Research Department of Botany and Microbiology A.V.V.M. Sri Pushpam College (Autonomous)

Reverse vaccinology method was used to predict the monovalent peptide vaccine candidate to produce antibodies for therapeutic purpose and to predict tetravalent vaccine candidate to act as a common vaccine to cover all the dengue virus serotypes. Envelope（E）-proteins of DENV-1-4 serotypes were used for vaccine prediction using NcBI,Uniprot/Swissprot, Swiss-prot viewer, VaxiJen V2.0, TMHMM, BcPREDS, Propred-1, Propred and MHc Pred. Eproteins of DENV-1-4 serotypes were identified as antigen from which T cell epitopes, through B cell epitopes, were predicted to act as peptide vaccine candidates. Each selected T cell epitope of E-protein was confirmed to act as vaccine and to induce complementary antibody against particular serotype of dengue virus. chimeric tetravalent vaccine was formed by the conjugation of four vaccines, each from four dengue serotypes to act as a common vaccine candidate for all the four dengue serotypes. It can be justifiably concluded that the monovalent 9-mer T cell epitope for each DENV serotype can be used to produce specific antibody against dengue virus and a chimeric common tetravalent vaccine candidate to yield a comparative vaccine to cover any of the four dengue virus serotype. This vaccine is expected to be highly immunogenic against dengue fever.

关键词： dengue serotypes dengue virus vaccine E-proteins MHc Ⅰ and Ⅱ

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Structural, Thermal, Linear and Nonlinear Optical Studies on New NLO crystal∶DL-Threonium Trichloroacetate

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Journal of Rare Earths 2006年第z1期24卷 249-252页

作者： Gubendiran ramesh Kumar srinivasan Gokul Raj Rajagopal Mohan Ramasamy Jayave Department of Physics Presidency college Chennai-600 005 India Department of Physics Presidency college Chennai-600 005 India Department of Physics Presidency college Chennai-600 005 India Department of Physics Presidency college Chennai-600 005 India crystal Growth centre Anna University Chennai-600 025 India

crystals of DL-threonium trichloroacetate (DLTTcA) was synthesized from an aqueous solution by slow evaporation technique. The grown crystals were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, UV-Vis-NIR and SHG measurements. Vibrational structure of the crystal was elucidated from FTIR analysis and the hydrogen bond interactions were discussed in detail. The ultraviolet transparent cutoff falls at 212 nm. Thermal stability of the compound was also studied. The powder SHG efficiency of the compound was measured as 0.62 times to that of KDP.

关键词： growth from solution nonlinear optical materials

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Fuzzy-Based Secure clustering with Routing Technique for VANETs

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computer Systems Science & Engineering 2022年第10期43卷 291-304页

作者： T.S.Balaji S.srinivasan S.Prasanna Bharathi B.ramesh Saveetha School of Engineering Saveetha Institute of Medical and Technical SciencesSaveetha UniversityChennai602105India Department of Electronics and communication Engineering College of Engineering&TechnologySRM Institute of Science and TechnologyVadapalani CampusChennai600026India Institute of Biomedical Engineering Saveetha School of EngineeringSaveetha Institute of Medical and Technical SciencesSaveetha UniversityChennai602105India Department of Electronics and communication Engineering SRM Institute of Science and Technology600026ChennaiIndia Department of civil Engineering Saveetha School of EngineeringSaveetha Institute of Medical and Technical SciencesSaveetha UniversityChennai602105India

Due to the advanced developments in communication technologies,Internet of vehicles and vehicular adhoc networks(VANET)offers numerous opportunities for effectively managing transportation *** the other,the cloud environment needs to disseminate the emergency message to the vehicles which are consistently distributed on the roadway so that every vehicle gets the messages from closer vehicles in a straightforward *** resolve this issue,clustering and routing techniques can be designed using computational intelligence *** this motivation,this paper presents a new type-2 fuzzy sets based clustering with metaheuristic optimization based routing(T2FScMOR)technique for secure communication in *** T2FSc-MOR technique aims to elect cHs and optimal routes for secure intercluster data transmission in *** proposed model involves T2FSc technique for the selection of cHs and construction of *** T2FSc technique uses different parameters namely traveling speed(TS),link quality(LQ),trust factor(TF),inter-vehicle distance(IVD),and neighboring node count(Ncc).The inclusion of trust factor helps to select the proper cluster heads(cHs)for secure data dissemination ***,trust aware seagull optimization based routing(TASGOR)approach was derived for the optimal selection of routes in *** order to validate the enhanced performance of proposed technique,the set of simulations take place and the outcomes are examined interms of different *** experimental outcomes highlighted the improved performance of the proposed model over the other state of art techniques with a higher throughput of 98%.

关键词： VANET security clustering routing fuzzy logic systems metaheuristic algorithms

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Hybrid Deep Learning-Improved BAT Optimization Algorithm for Soil classification Using Hyperspectral Features

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computer Systems Science & Engineering 2023年第4期45卷 579-594页

作者： S.Prasanna Bharathi S.srinivasan G.chamundeeswari B.ramesh Saveetha School of Engineering Saveetha Institute of Medical and Technical SciencesSaveetha NagarThandalamChennai602105TamilnaduIndia Department of Electronics and communication Engineering College of Engineering&TechnologySRM Institute of Science and TechnologyVadapalani CampusChennai600026India

Now a days,Remote Sensing(RS)techniques are used for earth observation and for detection of soil types with high accuracy and better *** technique provides perspective view of spatial resolution and aids in instantaneous measurement of soil’s minerals and its *** are a few challenges that is present in soil classification using image enhancement such as,locating and plotting soil boundaries,slopes,hazardous areas,drainage condition,land use,vegetation *** are some traditional approaches which involves few drawbacks such as,manual involvement which results in inaccuracy due to human interference,time consuming,inconsistent prediction *** overcome these draw backs and to improve the predictive analysis of soil characteristics,we propose a Hybrid Deep Learning improved BAT optimization algorithm(HDIB)for soil classification using remote sensing hyperspectral *** HDIB,we propose a spontaneous BAT optimization algorithm for feature extraction of both spectral-spatial features by choosing pure pixels from the Hyper Spectral(HS)***-spatial vector as training illustrations is attained by merging spatial and spectral vector by means of priority stacking ***,a recurring Deep Learning(DL)Neural Network(NN)is used for classifying the HS images,considering the datasets of Pavia University,Salinas and Tamil Nadu Hill Scene,which in turn improves the reliability of ***,the performance of the proposed HDIB based soil classifier is compared and analyzed with existing methodologies like Single Layer Perceptron(SLP),convolutional Neural Networks(cNN)and Deep Metric Learning(DML)and it shows an improved classification accuracy of 99.87%,98.34%and 99.9%for Tamil Nadu Hills dataset,Pavia University and Salinas scene datasets respectively.

关键词： HDIB bat optimization algorithm recurrent deep learning neural network convolutional neural network single layer perceptron hyperspectral images deep metric learning

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Influence of B4c and ZrB2 reinforcements on microstructural,mechanical and wear behaviour of AA 2014 aluminium matrix hybrid composites

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Defence Technology（防务技术） 2024年第10期40卷 242-254页

作者： ramesh Babu R Rajendran c Saiyathibrahim A Rajkumar Velu Department of Mechanical Engineering Karpagam Institute of TechnologyCoimbatore 641105India Department of Mechanical Engineering Sri Krishna College of Engineering and TechnologyCoimbatore 641008India Department of Mechanical Engineering Indian Institute of Technology JammuJammu and Kashmir 181221India

considering their affordability and high strength-to-weight ratio,lightweight aluminium alloys are the subject of intensive research aimed at improving their properties for use in the aerospace *** research effort aims to develop novel hybrid composites based on AA 2014 alloy through the use of liquid metallurgy stir casting to reinforce dual ceramic particles of Zirconium Diboride(ZrB_(2))and Boron carbide(B4c).The weight percentage(wt%)of ZrB_(2) was varied(0,5,10,and 15),while a constant 5 wt%of B4c was maintained during this *** as-cast samples have been assessed using an Optical Microscope(OM)and a Scanning Electron Microscope(SEM)with Energy Dispersive Spectroscopy(EDS).The properties such as hardness,tensile strength,and wear characteristics of stir cast specimens were assessed to examine the impact of varying weight percentages of reinforcements in AA 2014 *** particular,dry sliding wear behaviour was evaluated considering varied loads using a pin-on-disc *** the weight%of ZrB_(2) grew and B4c was incorporated,hybrid composites showed higher hardness,tensile strength,and wear ***,the incorporation of a cumulative reinforcement consisting of 15 wt%ZrB_(2) and 5 wt%B4c resulted in a significant 31.86%increase in hardness and a 44.1%increase in tensile strength compared to AA 2014 *** addition,it has been detected that wear resistance of hybrid composite pin(containing 20 wt%cumulative reinforcement)is higher than that of other stir cast wear test pins during the whole range of applied *** surfaces of tensile specimens showed ductile fracture in the AA 2014 matrix and mixed mode for hybrid *** surfaces obtained employing higher applied load indicated abrasive wear with little plastic deformation for hybrid composites and dominant adhesive wear for matrix ***,the superior mechanical and tribological performance of hybrid composites can be attributed to dual reinforcement pa

关键词： AA 2014 alloy Stir casting Hybrid composite Hardness Tensile strength Specific wear rate

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A novel mathematical morphology based algorithm for shoreline extraction from satellite images

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Geo-Spatial Information Science 2017年第4期20卷 345-352页

作者： c.A.Rishikeshan H.ramesh National Institute of Technology Karnataka Surathkal India

Shoreline extraction is fundamental and inevitable for several *** the precise spatial location of the shoreline is ***,the need for using remote sensing data to accomplish the complex task of automatic extraction of features,such as shoreline,has considerably *** feature extraction can drastically minimize the time and cost of data acquisition and database *** and fast approaches are essential to monitor coastline retreat and update shoreline ***,we present a flexible mathematical morphology-driven approach for shoreline extraction algorithm from satellite *** salient features of this work are the preservation of actual size and shape of the shorelines,run-time structuring element definition,semi-automation,faster processing,and single band *** proposed approach is tested with various sensor-driven images with low to high *** of the developed methodology has been assessed with manually prepared ground truths of the study area and compared with an existing shoreline classification *** proposed approach is found successful in shoreline extraction from the wide variety of satellite images based on the results drawn from visual and quantitative assessments.

关键词： Feature extraction shoreline detection satellite image processing remote sensing mathematical morphology

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Effect of erosion on corrosion of API X120 steel in relation to erodent particle size

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Journal of Iron and Steel Research International 2020年第6期27卷 691-701页

作者： Paul c.Okonkwo Said Grami srinivasan Murugan Shariq Khan Mechanical and Mechatronics Engineering Department College of EngineeringDhofar University211 SalalahOman chemical Engineering College of EngineeringDhofar University211 SalalahOman

The nature of the solid erodent particles present in corrosive petroleum fluid can cause transporting pipeline to experience severe erosion and corrosion damages. The effect of erosion on corrosion behavior of API X120 steel was investigated using aluminum oxide and silicon carbide particles with different sizes as erodent and 3.5wt.% Nacl aqueous solution saturated with carbon dioxide as a corrosive medium. The effect of the erodent particle size on the corrosion behavior of the steel material at different particle speeds and impact angles was investigated using weight loss, potentiodynamic polarization and surface analysis techniques. The erosion results confirmed that the material damage increased with increasing particle speed. It was observed that in carbon dioxide-saturated saline solution, deposition of protective iron carbonate film occurred on the steel surface. It was found that the corrosion film can provide better protection at lower particle speed than at higher speed. The ratio of total erosion-corrosion (S)/effect of erosion on corrosion (T) analysis confirmed that at higher S/T ratio, the particle speed and material removal rate are low and vice versa at lower S/T ratio. Lower S/T values for the combined erosion and corrosion tests performed with erodent silicon carbide particle compared to erodent aluminum oxide particle showed that erosion enhancement of corrosion is more evident in the test performed using aluminum oxide particle than using silicon carbide particle. The result also suggests that when subjected to larger size erodent particle, the damage to pipeline due to effect of erosion on corrosion process can be more significant compared to smaller size erodent particle.

关键词： Erosion corrosion API X120 steel carbon dioxide Aluminum oxide Silicon carbide Erodent particlesize

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An overview of deep eutectic solvents:Alternative for organic electrolytes,aqueous systems&ionic liquids for electrochemical energy storage

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Journal of Energy chemistry 2023年第7期82卷 592-626,I0013页

作者： Akshay Sharma Renuka Sharma ramesh c.Thakur Lakhveer Singh Department of chemistry Himachal Pradesh UniversitySummer HillShimla171005Himachal PradeshIndia Department of chemistry Sardar Patel UniversityMandi175001Himachal PradeshIndia

As the demand for sustainable energy sources continues to rise,the need for efficient and reliable energy storage systems becomes *** order to effectively store and distribute renewable energy,new and innovative solutions must be *** review examines the deep eutectic solvents(DESs)as a green,safe,and affordable solution for the electrochemical energy storage and conversion field,offering tremendous opportunities and a promising *** are a class of environment-friendly solvents known for their low toxicity and unique properties,such as their good conductivity,high thermal stability,and *** review explores the fundamentals,preparations,and various interactions that often predominate in the formation of DESs,the properties of DESs,and how DESs are better than traditional solvents involving cost-ineffective and unsafe organic electrolytes and ionic liquids as well as inefficient aqueous systems due to low energy density for electrochemical energy storage ***,a particular focus is placed on the various electrochemical applications of DESs,including their role in the electrolytes in batteries/supercapacitors,electropolishing and electrodeposition of metals,synthesis of electrode materials,recycling of electrodes,and their potential for use in cO_(2)*** review concludes by exploring the challenges,research gaps,and future potential of DESs in electrochemical applications,providing a comprehensive overview,and highlighting key considerations for their design and use.

关键词： Deep eutectic solvent Green solventHole theory Energy storage devices Aqueous electrolyte

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Fuzzy Logic-Based Health Monitoring System for cOVID’19 Patients

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computers, Materials & continua 2021年第5期67卷 2431-2447页

作者： M.Jayalakshmi Lalit Garg K.Maharajan K.Jayakumar Kathiravan srinivasan Ali Kashif Bashir K.ramesh National Engineering college Kovilpatti628503India Faculty of Information and communication Technology University of MaltaMsidaMSD2080Malta Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and Technology Chennai600062India School of computer Science and Engineering Vellore Institute of Technology(VIT)Vellore632014India School of Information Technology and Engineering Vellore Institute of Technology(VIT)Vellore632014India Department of computing and Mathematics Manchester Metropolitan UniversityManchesterUK Department of computer Science Karnataka State Akkamahadevi Women’s UniversityVijayapuraIndia

In several countries,the ageing population contour focuses on high healthcare costs and overloaded health care *** health care monitoring system can be a potential alternative,especially in the cOVID-19 pandemic situation to help mitigate such problems by encouraging healthcare to transition from hospital-centred services to self-care,mobile care and home *** this aspect,we propose a pervasive system to monitor the cOVID’19 patient’s conditions within the hospital and outside by monitoring their medical and psychological *** facilitates better healthcare assistance,especially for cOVID’19 patients and quarantined *** identies the patient’s medical and psychological condition based on the current context and activities using a fuzzy context-aware reasoning engine based *** reasoning engine makes decisions using linguistic rules based on inference mechanisms that support the patient condition *** rules are framed based on the fuzzy set attributes belong to different context *** fuzzy semantic rules are used to identify the relationship among the attributes,and the reasoning engine is used to ensure precise real-time context interpretation and current evaluation of the *** are measured using a fuzzy logic-based context reasoning system under *** results indicate the usefulness of monitoring the cOVID’19 patients based on the current context.

关键词： Pervasive healthcare cOVID’19 context-aware fuzzy reasoning engine fuzzy logic role-based expert system

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