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University of Johannesburg, South Africa

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Papers by sakthi vel

Study on Cardiovascular Endurance Agility and Strength Among Inter Collegiate Kabaddi and Kho Kho Players

TRANS Asian Research Journals, 2018

The purpose of the present study was to determine the cardio vascular endurance agility and stren... more The purpose of the present study was to determine the cardio vascular endurance agility and strength among inter collegiate Kabaddi and Kho-kho players. To achieve the purpose of this study 30 kabaddi and 30 Kho-kho intercollegiate players from affiliated colleges of Bharathiar University, were selected as subjects their age ranged from 18 to 25 years. The subjects were divided into two groups namely Group-IKabaddi players and Group-II Kho-kho players. The following variables are selected namely Cardio vascular endurance, Agility and leg strength were the variables of this study. The data were collected on selected criterion variables and they were statistically analyzed by using‗t‘ ratio. All subjects are participated in 12 min cooper run and walk test was measured by cardiovascular endurance, shuttle run was measured by Agility, 1 Rm leg press was measured by Leg strength. The selected criterion variables was statistically analyzed by using‗t‘ ratio were used to find out the percentage of cardio vascular endurance agility and Leg strength among inter collegiate Kabaddi and Kho-kho players in affiliated colleges of Bharathiar University, Coimbatore. The obtained‘ ratio was 1.67on cardio vascular endurance, 4.37 on agility, 3.11on leg strength among inter-collegiate Kabaddi and Kho-kho players. In all the cases 0.05 level of confidence was fixed to test of the significance. KEYWORDS: Cardio vascular endurance, Agility, Leg strength ,Kabaddi players and Kho-kho Players

Effect of Skill Training with Kinematic Analysis Training on Physiological Variables of Male Kabaddi Players

AkiNik Publications, 2019

The purpose of the present study was to determine the physiological fitness components of Vo2 Max... more The purpose of the present study was to determine the physiological fitness components of Vo2 Max, and Breath holding time among inter collegiate Kabaddi players. To achieve the purpose of this study 40 kabaddi players from CMS college of science and commerce, affiliated to Bharathiar University, Coimbatore. Were selected as subjects their age ranged from 18 to 25 years. The subjects were divided into two groups namely Group-I Skill training with kinematic analysis training group and Group-II. Control group The subjects selected by purposive sampling method. The following variables are selected Vo2 Max, and Breath holding time were assessed for a twelve weeks. All the subjects was tested on selected variables, before and after the treatment. The data were collected on selected criterion variables and they were statistically analyzed by using &#39;t&#39; ratio. All subjects are participated in queens college step test was measured by Vo2 Max and Breath holding time was measured by Nostril clip method. The selected criterion variables was statistically analyzed by using &#39;t&#39; ratio were used to find out the percentage of Vo2 Max and Breath holding time among inter collegiate Kabaddi players. The obtained&#39; ratio was 5.83 on Vo2 Max, 12.07 on Breath holding time among inter-collegiate Kabaddi players. In all the cases 0.05 level of confidence was fixed to test of the significance.

Comparative Analyzes of Team Effectiveness and Selected Psychological Variables Among Inter University Level Kabaddi Players

AkiNik Publications, 2018

We investigate the X-ray origin in FRIs using the multi-waveband high resolution data of eight FR... more We investigate the X-ray origin in FRIs using the multi-waveband high resolution data of eight FR I sources, which have very low Eddington ratios. We fit their multi-waveband spectrum using a coupled accretion-jet model. We find that X-ray emission in the source with the highest L_X (~1.8*10^-4 L_Edd) is from the advection-dominated accretion flow (ADAF). Four sources with moderate L_X(~several*10^-6 L_Edd) are complicated. The X-ray emission of one FR I is from the jet, and the other three is from the sum of the jet and ADAF. The X-ray emission in the three least luminous sources (L_X<1.0*10^-6L_Edd) is dominated by the jet. These results roughly support the predictions of Yuan and Cui(2005) where they predict that when the X-ray luminosity of the system is below a critical value, the X-radiation will not be dominated by the emission from the ADAF any longer, but by the jet. We also find that the accretion rates in four sources must be higher than the Bondi rates, which implies that other fuel supply (e.g., stellar winds) inside the Bondi radius should be important.

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Influence of Visual Feedback Specific Skill Training Program on Biomotor Fitness and Skill Performance Variables of Hearing Impaired Male Kabaddi Players

Sambodhi, 2021

The purpose of the present study was to determine the biomotor fitness and skill performance of h... more The purpose of the present study was to determine the biomotor fitness and skill performance of hearing impaired male Kabaddi players. To achieve the purpose of this study 24 hearing impaired male Kabaddi players from coimbatore deaf association. The subjects were divided into two groups namely Group-I as visual feedback specific skill training group and Group-II as traditional skill training group. The following variables are selected namely agility, leg explosive power and overall playing ability. The criterion variable was assessed agility was measured by shuttle run, leg explosive power measured by standing broad jump and overall playing ability was measured by subjective rating respectively. All the subjects was tested on selected variables, before and after the treatment. The collected data were statistically analyzed by using &#39;t&#39; ratio. The level of significant was fixed at 0.05. The results shows that the visual feedback specific skill training better improvement compared with traditional skill training group significantly improved the biomotor fitness variables of agility and leg explosive power, skill performance variables of overall playing ability of hearing impaired male Kabaddi players.

Study on Oil Holding Capacity of Calotropis Gigantea Fiber

Journal of Natural Fibers, 2022

Plant cellulosic, calotropis gigantea fiber properties, and natural oils were discovered in this ... more Plant cellulosic, calotropis gigantea fiber properties, and natural oils were discovered in this study. This study consists of various experimental values of the calotropis gigantea fiber and the results such as chemical composition, Assessment of Hollowness Free Space, X-ray Diffraction Analysis, FTIR, SEM, Density Gradient Column (DGC), free space availability calculation, and oilholding capacity were discussed in this study. The results were found to depend on density of the oil and web, and the method has appeared to be promising. It is revealed that calotropis gigantea fiber has large free spaces, which are used for holding oils. The equations established would support the correlation in such as oil-holding capacity. The web of calotropis gigantea fiber has a high degree of oil absorption for all the three types of oils such as the coconut oil, castor oil, and ground nut oil. It can be seen that the mass of the oil absorbed for coconut oil is about 9 g when expressed as percentage over the actual mass of the web, it goes to about 1800%.

Role of Bi3+ ions on structural, optical, photoluminescence and electrical performance of Cd0.9-xZn0.1BixS QDs

SN Applied Sciences, 2021

In this work, the Cd0.9-xZn0.1BixS QDs with different compositions of Bi3+ ions (0 ≤ x ≤ 0.05) we... more In this work, the Cd0.9-xZn0.1BixS QDs with different compositions of Bi3+ ions (0 ≤ x ≤ 0.05) were synthesized using a facile chemical route. The prepared QDs were characterized for analyzing the structural, morphological, elemental, optical, band gap, photoluminescence and electrochemical properties. XRD results confirmed that the Cd0.9-xZn0.1BixS QDs have a cubic structure. The mean crystallite size was increased from ~ 2 to ~ 5 nm for the increase of Bi3+ ions concentration. The optical transmittance behavior was decreased with increasing Bi3+ ions. The scanning electron microscope images showed that the prepared QDs possessed agglomerated morphology and the EDAX confirmed the presence of doped elements as per stoichiometry ratio. The optical band gap was slightly blue-shifted for initial substitution (Bi3+ = 1%) of Bi3+ ions and red-shifted for further increase of Bi3+ compositions. The optical band gap was ranged between 3.76 and 4.0 eV. High intense red emission was received...

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Experimental Heat Transfer Analysis on Heat Pipe using Sio2 and Tio2 Nano Fluid

Journal of Applied Fluid Mechanics, 2018

This study describes the enhancement of thermal performance of heat pipe using SiO 2 and TiO 2 na... more This study describes the enhancement of thermal performance of heat pipe using SiO 2 and TiO 2 nano fliud. The study explains about the effects of heat pipe inclination and heat input on the thermal efficiency and thermal resistance. Heat pipe is an advance type of heat exchanger which transfers huge amount of heat due to the effect of capillary action and phase change heat transfer principle. Recent developments in the heat pipe with high thermal conductivity through nano fluids. This paper reviews, influence of various factors such as heat pipe tilt angle, charged amount of working fluid, nanoparticles type, size, mass/volume fraction and its effect on the improvement of thermal efficiency, heat transfer capacity and reduction in thermal resistance. The nano fluid preparation and the analysis of its thermal characteristics also have been reviewed.

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Integrated platform and response system For healthcare using Alexa

International Journal of communication and computer Technologies, 2019

This paper presents a Healthcare system by providing a virtual personal assistance using the Amaz... more This paper presents a Healthcare system by providing a virtual personal assistance using the Amazon Alexa. Amazon Alexa is an application program that understands voice commands and completes that commands for the user. Amazon Echo is not only a smart speaker, but operates as an intelligent personal virtual assistant. Alexa is Hands-free that can allow easier access to the medical information. Alexa has been programmed with the information about the patients, doctors, nurses, pharmacy details, events and general information about the Healthcare. Users can interact with the Alexa to find out the scheduled appointments, availability of the doctor, availability of the rooms, etc.

Rhodamine Diaminomaleonitrile Conjugate as a Novel Colorimetric Fluorescent Sensor for Recognition of Cd2+ Ion

Journal of Fluorescence, 2017

Rhodamine diaminomaleonitrile linked probe (RD-1) shows highly sensitive colorimetric and selecti... more Rhodamine diaminomaleonitrile linked probe (RD-1) shows highly sensitive colorimetric and selective turn-on fluorescent response to Cd2+ over other metal ions. The fluorescence intensity and absorbance of the probe RD-1 showed a good linearity, with very low detection limits of 18.5 nm. The probe RD-1 was preliminarily applied to the determination of Cd2+ ion in water samples from river and tap water with satisfying results. The live cell image confocal microscopy, HeLa cell demonstrated that RD-1 had low cytotoxicity with good membrane permeable property is successfully applied to fluorescence microscopic imaging for the detection of Cd2+ ions.

A study on vowel duration in Tamil: Instrumental approach

2015 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC), 2015

The multifaceted system of speech combines different disciplines of subjects and hence the scient... more The multifaceted system of speech combines different disciplines of subjects and hence the scientific study in speech technology has become a challenging task. The time duration and Vowel duration are some of the important supra-segmental and complex speech properties discussed among the researchers. Generally, speech is composed of two important forms — vowels and consonants- and their separate acoustic analysis can be used in different areas of speech technology. This paper gives an abstract view on the statistical features of speech parameters such as duration and fundamental frequency/ Pitch of a set of vowels in the Tamil language. The data sets were created from recordings of male and female speakers individually in various selected speech sounds (mono syllabic words in Tamil). The vowels from each mono syllabic words are extracted and stored in a speech corpus for further analysis. The vowel duration, a fundamental frequency/pitch value of every vowel is measured from this corpus for analysis.

Design of a capacitorless low-dropout voltage regulator with fast load regulation in 130nm CMOS

2012 19th IEEE International Conference on Electronics, Circuits, and Systems (ICECS 2012), 2012

ABSTRACT This paper describes a low-dropout (LDO) voltage regulator system for portable device ap... more ABSTRACT This paper describes a low-dropout (LDO) voltage regulator system for portable device applications, with a capacitorless output. The regulator operates with supply voltages from 1.6V to 2V, providing 0.9V to 1.4V regulated voltages at a 99.2% current efficiency. The fully integrated architecture with a 100pF integrated decoupling capacitor was implemented in IBM 130nm CMOS technology, allowing greater power system integration. Post-layout simulations of our design demonstrate that the proposed LDO architecture provides a fast load regulation with a fast 320ns response time for 100mA load current and regulated voltage variations of less than 25mV.

Clone Detection in Manet Using Routing Information Protocol

Journal of Network and Information Security, Jun 1, 2014

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A Stand Alone Hybrid Power Generation System by MPPT Control Based on Neural Networks a Stand Alone Hybrid Power Generation System by MPPT Control Based on Neural Networks

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GUEST LECTURE IN "Drug Discovery From Natural Products

Understanding Nano-informatics. G.Sakthivel and Murthy Chavali. Nano Digest, November 2012

Hepatoprotective Effect of Clerodendrum colebrookianum Walp., against Paracetamol and Carbon-tetrachloride Induced Liver Damage

Turnip Yellow Mosaic Virus as a Chemoaddressable Bionanoparticle

Bioconjugate Chemistry, 2007

Viruses and virus-like particles (VLPs) have been demonstrated to be robust scaffolds for the con... more Viruses and virus-like particles (VLPs) have been demonstrated to be robust scaffolds for the construction of nanomaterials. In order to develop new nanoprobes for time-resolved fluoroimmuno assays as well as to investigate the two-dimensional self-assembly of viruses and VLPs, the icosahedral turnip yellow mosaic virus (TYMV) was investigated as a potential building block in our study. TYMV is an icosahedral plant virus with an average diameter of 28 nm that can be isolated inexpensively in gram quantities from turnips or Chinese cabbage. There are 180 coat protein subunits per TYMV capsid. The conventional N-hydroxysuccinimide-mediated amidation reaction was employed for the chemical modification of the viral capsid. Tryptic digestion with sequential MALDI-TOF MS analysis identified that the amino groups of K32 of the flexible N-terminus made the major contribution for the reactivity of TYMV toward N-hydroxysuccinimide ester (NHS) reagents. The reactivity was also monitored with UV-vis absorbance and fluorescence, which revealed that approximately 60 lysines per particle could be addressed. We hypothesized that the flexible A chain contains the reactive lysine because the crystal structure of TYMV has shown that chain A is much more flexible compared to B and C, especially at the N-terminal region where the Lys-32 located. In addition, about 90 to 120 carboxyl groups, located in the most exposed sequence, could be modified with amines catalyzed with 1-(3-dimethylaminopropyl-3-ethylcarbodiimide) hydrochloride (EDC) and sulfo-NHS. TYMV was stable to a wide range of reaction conditions and maintained its integrity after the chemical conjugations. Therefore, it can potentially be employed as a reactive scaffold for the display of a variety of materials for applications in many areas of nanoscience.

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Core/Shell Biocomposites from the Hierarchical Assembly of Bionanoparticles and Polymer

Small, 2008

... In summary, a versatile strategy based on noncovalent interactions of BNPs and polymers has b... more

A Simulation Model of Solid-state Transfer Switch for Protection in Distribution Systems

Journal of Applied Sciences, 2006

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Protective effect of Clerodendrum colebrookianum Walp., on acute and chronic inflammation in rats

Indian Journal of Pharmacology, 2013

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Study on Cardiovascular Endurance Agility and Strength Among Inter Collegiate Kabaddi and Kho Kho Players

TRANS Asian Research Journals, 2018

Effect of Skill Training with Kinematic Analysis Training on Physiological Variables of Male Kabaddi Players

AkiNik Publications, 2019

Comparative Analyzes of Team Effectiveness and Selected Psychological Variables Among Inter University Level Kabaddi Players

AkiNik Publications, 2018

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Influence of Visual Feedback Specific Skill Training Program on Biomotor Fitness and Skill Performance Variables of Hearing Impaired Male Kabaddi Players

Sambodhi, 2021

Study on Oil Holding Capacity of Calotropis Gigantea Fiber

Journal of Natural Fibers, 2022

Role of Bi3+ ions on structural, optical, photoluminescence and electrical performance of Cd0.9-xZn0.1BixS QDs

SN Applied Sciences, 2021

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Experimental Heat Transfer Analysis on Heat Pipe using Sio2 and Tio2 Nano Fluid

Journal of Applied Fluid Mechanics, 2018

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Integrated platform and response system For healthcare using Alexa

International Journal of communication and computer Technologies, 2019

Rhodamine Diaminomaleonitrile Conjugate as a Novel Colorimetric Fluorescent Sensor for Recognition of Cd2+ Ion

Journal of Fluorescence, 2017

A study on vowel duration in Tamil: Instrumental approach

2015 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC), 2015

Design of a capacitorless low-dropout voltage regulator with fast load regulation in 130nm CMOS

2012 19th IEEE International Conference on Electronics, Circuits, and Systems (ICECS 2012), 2012

Clone Detection in Manet Using Routing Information Protocol

Journal of Network and Information Security, Jun 1, 2014

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A Stand Alone Hybrid Power Generation System by MPPT Control Based on Neural Networks a Stand Alone Hybrid Power Generation System by MPPT Control Based on Neural Networks

ABSTRACT

GUEST LECTURE IN "Drug Discovery From Natural Products

Understanding Nano-informatics. G.Sakthivel and Murthy Chavali. Nano Digest, November 2012

Hepatoprotective Effect of Clerodendrum colebrookianum Walp., against Paracetamol and Carbon-tetrachloride Induced Liver Damage

Turnip Yellow Mosaic Virus as a Chemoaddressable Bionanoparticle

Bioconjugate Chemistry, 2007

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Core/Shell Biocomposites from the Hierarchical Assembly of Bionanoparticles and Polymer

Small, 2008

... In summary, a versatile strategy based on noncovalent interactions of BNPs and polymers has b... more

A Simulation Model of Solid-state Transfer Switch for Protection in Distribution Systems

Journal of Applied Sciences, 2006

Download

Protective effect of Clerodendrum colebrookianum Walp., on acute and chronic inflammation in rats

Indian Journal of Pharmacology, 2013

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