26 results for "K. Senthilkumar"

Effect of Preheating on Microstructure and Tensile Properties of Friction Stir Welded AA7075 Aluminium Alloy Joints

R. Poongkundran; K. Senthilkumar

Brazilian Archives of Biology and Technology, Vol. 59 No. spe2 · English · DOAJ Scopus

ABSTRACT The high strength AA7075 aluminum alloy is commonly used in the aerospace components due to its exclusive mechanical properties like lightweight and high strength. This alloy cannot be welded by fusion welding techniques due to solidification cracking which severely degrade the mechanical…

Spatio-temporal distribution of bovine leptospirosis in Tamil Nadu and a risk factor analysis

K Senthilkumar; G Ravikumar; Aravindbabu RP

Veterinární Medicína, Vol. 66 No. 12 · 2021 · English · DOAJ Scopus

Leptospirosis is a bacterial zoonotic disease that causes abortions, infertility and mastitis in cattle. This research was aimed at investigating the temporal and spatial pattern, sex, age, breed wise distribution of leptospirosis in Tamil Nadu. A seroreactivity of 28.2% was noticed among cattle in…

ADAPTABILITY AND PHYSIO-CHEMICAL CHARACTERISATION OF CELL CULTURE ADAPTED VACCINE STRAIN OF DUCK PLAGUE VIRUS

K. Senthilkumar; K.T. Punnoose; S. Sulochana

Journal of Veterinary and Animal Sciences, Vol. 30 No. 1 · 1999 · English · DOAJ

Vaccine strain of DPV produced typical lesions on chicken embryo and characteristic CPE in CEF cell culture like rounding and clumping of cells, cytoplasmic vacuolations, bridge formation, syncytium formation and intranuclear inclusion bodies. When the virus passaged in CEF the time required for…

A new site record of the Grizzled Giant Squirrel Ratufa macroura (Pennant, 1769) in the Hosur forest division, Eastern Ghats, India and its conservation significance

N. Baskaran; K. Senthilkumar; M. Saravanan

Journal of Threatened Taxa, Vol. 3 No. 6 · 2011 · English · DOAJ Scopus

The Grizzled Giant Squirrel is endemic to southern India and Sri Lanka. In India it is distributed in isolated populations with less than 500 mature individuals, restricted mostly to patchy riverine habitats. We have recorded the presence of this species (minimum 14 individuals) across eight…

Understanding the Seroepidemiology of Canine Leptospirosis in Tamil Nadu: Need for Inclusion of Additional Serovars in Dog Vaccines

K. Senthilkumar; K. G. Tirumurugaan; G. Ravikumar

International Journal of Bio-Resource and Stress Management, Vol 14, Iss Jan, 1 (2023) · 2023 · English · DOAJ

The study was conducted at Zoonoses Research Laboratory, Tamil Nadu Veterinary and Animal Sciences University, Chennai, Tamil Nadu, India during the period from January 2017 to December 2021. The study aimed to investigate the seroepidemiology of canine leptospirosis in Tamil Nadu; its associated…

Detection of B. anthracis from Environmental Samples during Outbreak in Tamilnadu by Molecular Methods

K. Senthilkumar; G. Ravikumar; K. G. Tirumurugaan

International Journal of Bio-Resource and Stress Management, Vol 13, Iss May, 5 (2022) · 2022 · English · DOAJ

The study was undertaken during 2013−2017 at Zoonoses Research Laboratory, Tamil Nadu Veterinary and Animal Sciences University, Chennai. Blood smears, soil and environmental samples were collected from 23 sporadic incidences of anthrax reported in different parts of Tamil Nadu from 2013−2017. 11…

Prevalence of urinary shedders and characterization of pathogenic Leptospira among cattle population in Tamil Nadu ‑ Implications for control

K. Senthilkumar; G. Ravikumar; Aravindh Babu R. Parthiban

Veterinaria Italiana, Vol. 58 No. 2 · 2022 · English · DOAJ Scopus

Bovine leptospirosis causes jaundice, mastitis, infertility, abortion, and death of infected animals. This research aimed to study the status of urinary shedders of pathogenic Leptospira among the cattle population and identify the infecting serogroup circulating in the state of Tamil Nadu (India)…

Graft dysfunction due to acute interstitial nephritis in the immediate posttransplant period

Harish Sivagnanam; P K Senthilkumar; Kannan Bhaba Velu et al.

Indian Journal of Transplantation, Vol. 17 No. 4 · 2023 · English · DOAJ Scopus

Review on sustainable strategies for lithium recovery from spent lithium-ion batteries

J. Jayamuthunagai; R. Mary Nancy Flora; K. Senthilkumar et al.

Future Batteries, Vol. 7 · 2025 · English · DOAJ

Lithium-ion batteries (LIBs) are essential to today's energy storage technology, powering from handheld devices to electric vehicles and grid-scale renewable energy installations. With demand for LIBs rising ever more strongly—fuelled by the global clean energy shift—the demand for sustainable…

Structural and Vibrational Investigation of Benzil-(1,2-Diphenylethane-1,2-Dione): Experimental and Theoretical Studies

N. Kanagathara; K. Senthilkumar; V. Sabari et al.

Journal of Chemistry, Vol. 2022 · 2022 · English · DOAJ Scopus

Single crystals of benzil commonly known as 1,2-diphenylethane-1,2-dione are grown by the slow evaporation method at room temperature. Gaussian 09 program is applied for theoretical calculations with B3LYP/6-311++G(d,p) basis set. The structure is optimized, and the energy, structural parameters…

A study on the tolerance level of farmers toward human-wildlife conflict in the forest buffer zones of Tamil Nadu

K. Senthilkumar; P. Mathialagan; C. Manivannan et al.

Veterinary World, Vol. 9 No. 7 · 2016 · English · DOAJ Scopus

Aim: The aim of this work was to study the tolerance level of farmers toward different human-wildlife conflict (HWC) situations. Materials and Methods: This study was conducted in 24 villages of nine blocks from Kancheepuram, Coimbatore, Erode, and Krishnagiri districts of Tamil Nadu by personally…

Single crystal analysis and DFT studies of the novel hybrid material-based on 2-hydroxypyridine and selenic acid

R. Bhavani; N. Kanagathara; M.K. Marchewka et al.

Results in Chemistry, Vol. 7 · 2024 · English · DOAJ Scopus

A novel hybrid material based on 2-hydroxypyridine and selenic acid, abbreviated as [(2-OH-pyH+)]2SeO4, has been synthesized using a slow evaporation method. The compound crystallizes in the centrosymmetric space group C2/c of the monoclinic system. Furthermore, theoretical studies are also…

Artificial neural network-based prediction of functional fatigue behaviour of an NiTi shape memory alloy

G. Swaminathan; S. H. Adarsh; M. Raju et al.

Discover Materials, Vol. 5 No. 1 · 2025 · English · DOAJ Scopus

Abstract Shape memory alloys (SMAs), such as NiTi, exhibit phase transformations during cyclic loading, leading to degradation in functional properties like recovery strain and thermal hysteresis, known as functional fatigue. This study proposes an artificial neural network (ANN) approach to model…

Flexural, impact and dynamic mechanical analysis of hybrid composites: Olive tree leaves powder/ pineapple leaf fibre/epoxy matrix

K. Senthilkumar; M. Chandrasekar; Othman Y. Alothman et al.

Journal of Materials Research and Technology, Vol. 21 · 2022 · English · DOAJ Scopus

The objective of this work is to determine the suitability of olive tree leaves powder (OTL) as reinforcement along with pineapple leaf fibre (PALF) in the epoxy composites. The parent and hybrid composites were fabricated using the hot press technique with the overall fibre loading at 40 wt% and…

Estimation of the effects of normal tissue sparing using equivalent uniform dose-based optimization

K Senthilkumar; K J Maria Das; K Balasubramanian et al.

Journal of Medical Physics, Vol. 41 No. 2 · 2016 · English · DOAJ Scopus

In this study, we intend to estimate the effects of normal tissue sparing between intensity modulated radiotherapy (IMRT) treatment plans generated with and without a dose volume (DV)-based physical cost function using equivalent uniform dose (EUD). Twenty prostate cancer patients were…

Extraction of Microcrystalline Cellulose and Silica from Agriculture Waste and Its Application in Synthesis of Wheat Gluten and Fish Scales Derived Bioplastic

S. Samraj; K. Senthilkumar; P. Induja et al.

International Journal of Biomaterials, Vol. 2022 · 2022 · English · DOAJ Scopus

Plastics play a significant part in human life and the world we live in. The use of plastics results in detrimental effects on the natural world, which compels us to look for viable replacements. As a result of their enhanced capacity to biodegrade, bioplastics are becoming increasingly important…

Status quo and challenges of rice production in sub-Saharan Africa

K. Saito; K. Senthilkumar; E. R. Dossou-Yovo et al.

Plant Production Science, Vol. 26 No. 3 · 2023 · English · DOAJ Scopus

ABSTRACTRice production in sub-Saharan Africa (SSA) has increaed ten-fold since 1961, whereas its consumption has exceeded the production and the regional self-sufficiency rate is only 48% in 2020. Increase in rice production has come mainly from increased harvested area. Yield increase has been…

An automated software development for analysis of the morphological-tensile property relationship in egg shell bio-based particulate composites using machine learning algorithms

G.Elizabeth Rani; R. Murugeswari; Selvakumar Vairamuthu et al.

Composites Part C: Open Access, Vol. 10 · 2023 · English · DOAJ Scopus

This work explored the importance of quantitative observation through imaging methods of optical and electron microscopies on the mechanical properties of particulate polymeric composites. Egg shell powder (ESP) reinforced polypropylene carbonate (PPC) polymeric composites with different filler…

Investigating the Effect of Varied Short Bamboo Fiber Content on the Thermal, Impact, and Flexural Properties of Green Epoxy Composites

Mohammad Jawaid; K. Senthilkumar; M. Chandrasekar et al.

Journal of Natural Fibers, Vol. 21 No. 1 · 2024 · English · DOAJ Scopus

In this study, the thermal and mechanical characteristics of bamboo fiber-reinforced greenpoxy matrix composites were evaluated by varying the fiber loading from 30wt.% to 60wt.% during the compression molding process. The thermal behavior using dynamic mechanical analysis (DMA) and…

Thermal characterization of date palm/epoxy composites with fillers from different parts of the tree

Othman Y. Alothman; M. Jawaid; K. Senthilkumar et al.

Journal of Materials Research and Technology, Vol. 9 No. 6 · 2020 · English · DOAJ Scopus

Thermal expansion and viscoelastic properties of the date palm fibre (DPF)/epoxy composites were influenced by the type of filler from different parts of the date palm tree. The variation in properties is mainly due to the difference in fibre composition between the DPF from leaf stalk, leaf…