Sri Gvg Visalakshi College For Women

Udumalapet, India

Sri Gvg Visalakshi College For Women

Udumalapet, India
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Arjunan N.K.,Periyar University | Kadarkarai M.,Bharathiar University | Kumar S.,Sri GVG Visalakshi College for women | Pari M.,Bharathiar University | And 2 more authors.
Acta Tropica | Year: 2015

Malaria causes extensive morbidity and mortality in humans and results in significant economic losses in India. The distribution of immature malaria-transmitting Anopheles mosquitoes was studied in 17 villages in Coimbatore District as a prelude to the development and implementation of vector control strategies that are intended to reduce the risk of human exposure to potentially infectious mosquitoes. Eight Anopheles species were recorded. The most numerous species were Anopheles vagus, Anopheles subpictus, and Anopheles hyrcanus. The location of mosquito development sites and the density of larvae in each village was evaluated for correlation with selected demographic, biologic, and land use parameters using remote sensing and geographic information systems (GIS) technology. We found the number of mosquito development sites in a village and the density of larvae in such sites to be positively correlated with human population density but not the surface area (km2) of the village. The number of mosquito development sites and the density of larvae in each site were not correlated. Data from this study are being used to construct a GIS-based mapping system that will enable the location of aquatic habitats with Anopheles larvae in the Coimbatore District, Tamil Nadu, India as target sites for the application of vector control. © 2015 Elsevier B.V.


Babu E.,Madurai Kamaraj University | Muthu Mareeswaran P.,Madurai Kamaraj University | Muthu Mareeswaran P.,Korea Advanced Institute of Science and Technology | Singaravadivel S.,Madurai Kamaraj University | And 3 more authors.
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy | Year: 2014

A selective, label free luminescence sensor for bovine serum albumin (BSA) is investigated using ruthenium(II) complexes over the other proteins. Interaction between BSA and ruthenium(II) complexes has been studied using absorption, emission, excited state lifetime and circular dichroism (CD) spectral techniques. The luminescence intensity of ruthenium(II) complexes (I and II), has enhanced at 602 and 613 nm with a large hypsochromic shift of 18 and 5 nm respectively upon addition of BSA. The mode of binding of ruthenium(II) complexes with BSA has analyzed using computational docking studies. © 2014 Elsevier B.V. All rights reserved.


PubMed | Sri GVG Visalakshi College for women, Periyar University, Bharathiar University and U.S. Department of Agriculture
Type: | Journal: Acta tropica | Year: 2015

Malaria causes extensive morbidity and mortality in humans and results in significant economic losses in India. The distribution of immature malaria-transmitting Anopheles mosquitoes was studied in 17 villages in Coimbatore District as a prelude to the development and implementation of vector control strategies that are intended to reduce the risk of human exposure to potentially infectious mosquitoes. Eight Anopheles species were recorded. The most numerous species were Anopheles vagus, Anopheles subpictus, and Anopheles hyrcanus. The location of mosquito development sites and the density of larvae in each village was evaluated for correlation with selected demographic, biologic, and land use parameters using remote sensing and geographic information systems (GIS) technology. We found the number of mosquito development sites in a village and the density of larvae in such sites to be positively correlated with human population density but not the surface area (km(2)) of the village. The number of mosquito development sites and the density of larvae in each site were not correlated. Data from this study are being used to construct a GIS-based mapping system that will enable the location of aquatic habitats with Anopheles larvae in the Coimbatore District, Tamil Nadu, India as target sites for the application of vector control.


Bhuvaneswari J.,Madurai Kamaraj University | Bhuvaneswari J.,Sri GVG Visalakshi College for Women | Mareeswaran P.M.,Madurai Kamaraj University | Mareeswaran P.M.,Korea Advanced Institute of Science and Technology | And 2 more authors.
RSC Advances | Year: 2014

New luminescent Re(i)-polypyridine complexes (1a and 1b) containing an amide-pyridine pendant carrying the N-H group have been synthesized, characterized and used as an anion sensor by utilizing UV-visible and luminescence titration methods. Both the complexes exhibit luminescence quenching upon addition of anions and the binding constants are in the range of 103-105 M-1. Thus these probes act as a turn off sensor for anions in acetonitrile and show a color change from colorless to yellow on the addition of the fluoride ion. This turn-off sensor becomes a turn-on sensor for F- in the presence of bovine serum albumin (BSA) which serves as a platform for the sensor design. The study of the interaction between Re(i) complexes (1a and 1b) and BSA in buffer (pH = 7.4) shows that 1a and 1b bind BSA strongly with a binding constant of 104 M -1. This journal is © the Partner Organisations 2014.


Kavitha B.,Sri Gvg Visalakshi College For Women | Dhanam M.,Kongunadu Arts and Science College
Journal of Materials Science: Materials in Electronics | Year: 2014

Cu(InAl)Se2 (CIAS) thin films have been prepared by chemical bath deposition technique. Thickness of the prepared films has been measured by gravimetric technique. The structure, composition and optical transition as well as bandgap have been estimated by X-ray diffraction, energy dispersive X-ray analysis and spectrophotometer analysis. Raman analysis has been made on the prepared CIAS thin films to assign the fundamental lattice mode and to confirm the films crystallinity and stoichiometry. PL analysis has been carried out to find the effective mass of holes and electron, dielectric constant, the involved defects and their activation energy. Cu(InAl)Se2-based solar cells with different types of buffer layers such as CdS, CdS:Cu, CdS:In were fabricated. The current and voltage were measured using an optical power meter and an electrometer and the fabricated solar cells were illuminated using 100 mW/cm2 white light under AM1 conditions. © 2014, Springer Science+Business Media New York.


Renugadevi N.,Avinashilingam Deemed University for Woman | Umadevi S.,Sri GVG Visalakshi College for Women
Indian Journal of Environmental Protection | Year: 2015

In this study the efficiency of low cost eco-friendly carbon adsorbent prepared from Bauhenia racemosa seed (BRSC) was analysed for the removal of crystal violet (CV) dye from aqueous solution. Kinetics and thermodynamic parameters of the adsorption of crystal violet dye were evaluated. Adsorption kinetics is an important parameter as it provides significant details, such as reaction pathways and mechanism of the reactions. The adsorption kinetics of crystal violet dye onto Bauhenia racemosa seed followed Pseudo second order reaction model. The intraparticle diffusion study shows that the rate constant for intraparticle diffusion (Kp) increased with increase in initial concentration of crystal violet dye solution. The results of the thermodynamic studies revealed that the adsorption of crystal violet dye onto Bauhenia racemosa seed was spontaneous and endothermic in nature. The positive value of entropy change showed increased randomness during adsorption. ©2015 - Kalpana Corporation.


Nirmala B.,Sri Gvg Visalakshi College For Women | Banumathi T.V.,Sri Gvg Visalakshi College For Women | Najeema M.,Sri Gvg Visalakshi College For Women | Kayalvizhi M.,Sri Gvg Visalakshi College For Women
Asian Journal of Chemistry | Year: 2013

Nanostructures and nano sized particles have diverted considerable attention among researchers due to their unique properties. Researchers have shown interest in zinc oxide as it may be used as a low cost replacement for Si and GaN. Zinc oxide is one of the most promising semiconducting material due to its piezo electric and transparent conducting properties. It has high electrical conductivity and optical transmittance in the visible region and a good absorption in the UV region. Therefore it can be used as window and sunscreen materials. The nanostructured ZnO has normal applications in sensors, transducers, biomedical devices, optoelectronic devices, solar cells etc. The oxidation of high purity zinc at high temperatures in a muffle furnace yields nanostructures on the surface of metallic zinc. ZnO particles are synthesized using high energy ball-milling technique. The structure and morphology of ZnO nano structures is analyzed using X-ray diffraction method and scanning electron microscope. This paper focuses on the structure and morphology of the furnace melt ZnO nano particles. © Asian Journal of Chemistry 2013.


Manikandan R.,Periyar University | Kalaichelvi S.,Sri Gvg Visalakshi College For Women | Ezhili N.,PSGR Krishnammal College For Women
Journal of Materials and Environmental Science | Year: 2014

Kuruchi Lake is an important freshwater body of Coimbatore City, Tamil Nadu, India. This lake receives municipal wastes and industrial effluents which contain heavy metals. Therefore, the present study was aimed to investigate the status of physicochemical properties and heavy metal levels in surface sediments of Kuruchi Lake. The result of physicochemical parameters such as pH, Electro Conductivity (EC), chloride, calcium, magnesium, phosphate, sulphate, sodium, potassium, total nitrogen, iron, total alkalinity and total organic carbon concentrations were found to be higher in sediment sample of station 4. The heavy metals concentration showed variations with Cd 4-14 mg/kg, Cr 2295-3198 mg/kg, Cu 872-1199 mg/kg, Ni 964-1520 mg/kg, Mn 4996-5820 mg/kg and Pb 999-1489 mg/kg, respectively. The highest concentrations of Cr, Pb, Ni and Cu were found to be higher in station 4, when compared to other study stations. Cd and Mn levels were found within the normal range. The cluster analysis was used for determining the similarity of heavy metals concentrations in different study stations. This study reveals that sediments of Kuruchi Lake were partially polluted with heavy metals. This study provides the baseline data for future sediment quality assessment of this lake and regular monitoring of sediment quality in this lake is highly recommended.


Renuka Devi M.,Sri Gvg Visalakshi College For Women | Maria Shyla J.,Bharathiar University
International Journal of Applied Engineering Research | Year: 2016

Data mining approach helps to diagnose patient’s diseases. Diabetes Mellitus is a chronic disease to affect various organs of the human body. Early prediction can save human life and can take control over the diseases. This paper explores the early prediction of diabetes using various data mining techniques. The dataset has taken 768 instances from PIMA Indian Dataset to determine the accuracy of the data mining techniques in prediction. The analysis proves that Modified J48 Classifier provide the highest accuracy than other techniques. © Research India Publications.


Aram S.,Sri GVG Visalakshi College for Women | Vijayakumar C.T.,k-Technology
Asian Journal of Chemistry | Year: 2013

Terpolymer resin was synthesized through the condensation of p-cresol, urea and formaldehyde in the mole ratio 1:1:2 in the presence of 2 M HCl as the catalyst. The weight average molecular weight of the synthesized terpolymer was found to be 8738 as determined by gel permeation chromatography. The structure of the terpolymer was investigated using fourier transform infrared spectrophotometer and proton nuclear magnetic resonance spectrometer ( 1H NMR). Thermogravimetric analysis was performed to establish its thermal stability. Doyle, Horowitz and Metzger, Murray and White, Broido and Dharwadkar and Kharkhanavala methods were used to calculate the thermodynamic parameters such as enthalpy of activation (H*), entropy of activation (S*), free energy of activation (G *) and pre-exponential factor (A) for the different thermal decomposition steps shown by the terpolymer. © Asian Journal of Chemistry 2013.

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