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Institution

Kuvempu University

EducationShimoga, India
About: Kuvempu University is a education organization based out in Shimoga, India. It is known for research contribution in the topics: Cyclic voltammetry & Carbon paste electrode. The organization has 1575 authors who have published 2210 publications receiving 39755 citations. The organization is also known as: KU.


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Journal ArticleDOI
TL;DR: In this paper, the properties of polycrystalline soft ferrites have been characterized by X-ray diffraction and IR spectra and magnetic properties have been studied from magnetization and susceptibility measurements.

44 citations

Journal ArticleDOI
TL;DR: In this article, the electrochemical behavior of LiMnPO4 prepared by RAPET method in different aqueous electrolytes using cyclic voltammetry (CV), galvanostatic charge-discharge experiments, and electrochemical impedance spectroscopy is reported.
Abstract: A study of the electrochemical behavior of LiMnPO4 prepared by RAPET method in different aqueous electrolytes using cyclic voltammetry (CV), galvanostatic charge–discharge experiments, and electrochemical impedance spectroscopy is reported. CV peak current is proportional to the square root of scan rate under 0.2 mV s−1. The system satisfied the required conditions for a reversible system with a resistive behavior. LiMnPO4 was found to undergo proton insertion at lower concentrations of electrolyte. At higher concentrations or saturated solutions of electrolytes, lithium insertion/de-insertion becomes the main reaction though the effect of proton insertion/de-insertion reaction cannot be ignored. Electrochemical insertion/de-insertion of lithium in LiMnPO4 was studied using EIS technique. The kinetic parameter, charge transfer resistance (R ct), obtained by simulating the experimental impedance data with an equivalent circuit showed a minimum at the potential close to the CV peak potential. The cell LiTi2(PO4)3/5 M LiNO3/LiMnPO4 delivers a discharge capacity of 84 mAh g−1 in the first cycle at an applied current of 0.2 mA cm−2 and it retains its initial capacity over 50 cycles with good rate capability.

44 citations

Journal ArticleDOI
TL;DR: In this article, a graphite electrode was modified with poly(diallyl dimethyl ammonium chloride) (PDDA) for the detection of uric acid in the presence of dopamine (DA) and high concentration of ascorbic acid (AA) in cyclic voltammetry and chronoamperometry.
Abstract: The properties of graphite electrode (Gr) modified with poly(diallyl dimethyl ammonium chloride) (PDDA) for the detection of uric acid (UA) in the presence of dopamine (DA) and high concentration of ascorbic acid (AA) have been investigated by cyclic voltammetry, differential pulse voltammetry and chronoamperometry. The polymer modified graphite electrode was prepared by a very simple method just by immersing the graphite electrode in PDDA solution for 20 minutes. The PDDA/Gr modified electrode displayed excellent electrocatalytic activity towards the oxidation of UA, DA and AA compared to that at the bare graphite electrode. The electrochemical oxidation signals of UA, DA and AA are well resolved into three distinct peaks with peak potential separations of 220 mV, 168 mV and 387 mV between AA-DA, DA-UA and AA-UA respectively in cyclic voltammetry studies and the corresponding peak potential separations are 230 mV, 130 mV and 354 mV respectively in differential pulse voltammetry. The lowest detection limits obtained for UA, DA and AA were 1×10−7 M, 2×10−7 M and 800×10−9 M respectively. The PDDA/Gr electrode efficiently eliminated the interference of DA and a high concentration of AA in the determination of UA with good selectivity, sensitivity and reproducibility. The modified electrode was also successfully applied for simultaneous determination of UA, DA and AA in their ternary mixture.

44 citations

Journal ArticleDOI
TL;DR: In this article, the authors compacts with effect of nonlinear convection and radiation on tangent hyperbolic fluid flow of through a convectively heated vertical surface and solve the converted set of boundary layer equations numerically by Runge-Kutta-Fehlberg method.
Abstract: The current study compacts with effect of nonlinear convection and radiation on tangent hyperbolic fluid flow of through a convectively heated vertical surface. The converted set of boundary layer equations are solved numerically by Runge-Kutta-Fehlberg method. The effect of various pertinent parameters on flow and heat transfer characteristics are discussed with tabulated numerical values and deliberate figures. Additionally, the skin friction coefficient and Nusselt number are also presented. We noticed that, the skin friction factor and heat transfer rates are higher in presence of nonlinear convection than its absence. Further, velocity profile decreases by increasing power law index but establishes opposite results for skin friction.

44 citations

Journal ArticleDOI
TL;DR: The main objective of this database is to provide detailed information pertaining to genes and proteins involved in primary immunodeficiency diseases along with other relevant information about protein–protein interactions, mouse studies and microarray gene-expression profiles in various organs and cells of the immune system.
Abstract: Availability of a freely accessible, dynamic and integrated database for primary immunodeficiency diseases (PID) is important both for researchers as well as clinicians. To build a PID informational platform and also as a part of action to initiate a network of PID research in Asia, we have constructed a web-based compendium of molecular alterations in PID, named Resource of Asian Primary Immunodeficiency Diseases ( RAPID), which is available as a worldwide web resource at http://rapid.rcai.riken.jp/. It hosts information on sequence variations and expression at the mRNA and protein levels of all genes reported to be involved in PID patients. The main objective of this database is to provide detailed information pertaining to genes and proteins involved in primary immunodeficiency diseases along with other relevant information about protein-protein interactions, mouse studies and microarray gene-expression profiles in various organs and cells of the immune system. RAPID also hosts a tool, mutation viewer, to predict deleterious and novel mutations and also to obtain mutation-based 3D structures for PID genes. Thus, information contained in this database should help physicians and other biomedical investigators to further investigate the role of these molecules in PID.

44 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
20238
202224
2021214
2020189
2019139
2018135