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Data from Beijing Normal University Provide New Insights into Oligopeptides (Electrochemical Determination of Glutathione Using an Annealed Nickel...

September 9, 2014



Data from Beijing Normal University Provide New Insights into Oligopeptides (Electrochemical Determination of Glutathione Using an Annealed Nickel Ion Implanted-Modified Electrode)

By a News Reporter-Staff News Editor at Life Science Weekly -- A new study on Peptides is now available. According to news reporting out of Beijing, People's Republic of China, by NewsRx editors, research stated, "In this paper, a novel nickel based indium tin oxide electrode was prepared by ion implantation first, and then annealed at 500 C for 2 hours. The characterizations of surface morphological, composition, and structure of the prepared electrodes were characterized by scanning electron microscopy, atomic force microscopy and X-ray photoelectron spectroscopy."

Our news journalists obtained a quote from the research from Beijing Normal University, "Electrochemical impedance spectroscopy, cyclic voltammetry and amperometry were employed for the study of the modified electrodes and their electrocatalytic activity toward glutathione. The results show that more nanoparticles appear on the electrode after annealing and the composition changes from zero valent metallic state (Ni-0) to compound (Ni(OH)(2)). The annealed nickel ion implanted-modified electrode (annealed-Ni/ITO) exhibits good electrocatalytic activity toward glutathione in acetate buffer solution. Amperometric response varies linearly with glutathione concentration ranging from 5 mu M to 840 mu M with a detection limit of 5 mu M. The presented sensor was also applied in the analysis of glutathione in the presence of uric acid and ascorbic acid."

According to the news editors, the research concluded: "In addition, the modified electrode exhibits acceptable reproducibility and long-term stability."

For more information on this research see: Electrochemical Determination of Glutathione Using an Annealed Nickel Ion Implanted-Modified Electrode. Journal of the Electrochemical Society, 2014;161(9):B191-B195. Journal of the Electrochemical Society can be contacted at: Electrochemical Soc Inc, 65 South Main Street, Pennington, NJ 08534, USA. (The Electrochemical Society - ecsdl.org/; Journal of the Electrochemical Society - www.ecsdl.org/JES)

Our news journalists report that additional information may be obtained by contacting H.F. Tian, Beijing Normal University, Minist Educ, Key Lab Beam Technol & Mat Modificat, Beijing 100875, People's Republic of China. Additional authors for this research include T. Wang, Y.Y. Fu, Y.N. Yu, C.M. Guo and J.B. Hu (see also Peptides).

Keywords for this news article include: Beijing, People's Republic of China, Asia, Chemicals, Chemistry, Electrochemical, Glutathione, Nickel, Oligopeptides, Transition Elements

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Life Science Weekly


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