Electroanalysis

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Synergistic Enhancement Effects of Carbon Quantum Dots and Au Nanoclusters for Cathodic ECL and Non‐enzyme Detections of Glucose
Electroanalysis - Tập 32 Số 6 - Trang 1155-1159 - 2020
Shuang Han, Yuan Gao, Lin Li, Beibei Lü, Yongxing Zou, Ling Zhang, Jiaheng Zhang
AbstractIn this study, we found that glucose enhance electrochemiluminescence (ECL) intensity of both Au nanoclusters (Au NCs) and carbon quantum dots (CQDs) with K2S2O8 as the co‐reactants. The enhancing effects by Au NCs and CQDs were overlapped, enabling the detection of glucose. The increased ECL in...... hiện toàn bộ
Accelerating Optimizing the Design of Carbon‐based Electrocatalyst via Machine Learning
Electroanalysis - Tập 34 Số 4 - Trang 599-607 - 2022
Zhuochen Yu, Weimin Huang
AbstractIn this era of artificial intelligence, we urgently want to optimize the current material design methods to come up with a more efficient and more accurate closed‐loop system. The approach requires at least three parts including high‐throughput screening, automated synthesis platform, and machine learning algorithms. Fortunately, the techniques mentioned ab...... hiện toàn bộ
Multivariate Data Analysis in Electroanalytical Chemistry
Electroanalysis - Tập 14 Số 22 - Trang 1533-1542 - 2002
Edward Richards, Conrad Bessant, Selwayan Saini
Iodine‐mediated Oxidation of Resveratrol. An Electroanalytical Study Using Platinum and Glassy Carbon Electrodes
Electroanalysis - Tập 31 Số 7 - Trang 1348-1355 - 2019
Beatriz Gómez‐Monedero, R. Pérez, María-Isabel González-Sánchez, Lorena Almagro, Edelmira Valero, Richard G. Compton
AbstractResveratrol is a phenolic compound that shows important biological antioxidant activities. In this paper, the electrochemical oxidation of iodide in the presence of resveratrol was investigated using both platinum and glassy carbon electrodes. The experimental results showed a diffusion controlled process for the oxidation of iodide to iodine, followed by t...... hiện toàn bộ
Protein Structure‐sensitive Analysis by Normal Pulse Voltammetry
Electroanalysis - Tập 28 Số 11 - Trang 2884-2889 - 2016
Hana Černocká, Emil Paleček
AbstractEarlier we showed that constant current chronopotentiometric stripping (CPS) at mercury‐containing electrodes reflects changes in proteins, such as denaturation, single amino acid exchange or protein damage by physical and chemical agents. Here we attempted to compare performance of the galvanostatic CPS with the potentiostatic normal pulse voltammetry (NPV...... hiện toàn bộ
Investigating Electrochemical Stability and Reliability of Gold Electrode‐electrolyte Systems to Develop Bioelectronic Nose Using Insect Olfactory Receptor
Electroanalysis - Tập 31 Số 4 - Trang 726-738 - 2019
Roshan Khadka, Nihan Aydemir, Colm Carraher, Cyril Hamiaux, Paul Baek, Jamal Ahmed Cheema, Andrew V. Kralicek, Jadranka Travaš-Sejdić
AbstractThis article aims to demonstrate an electrochemically stable and reliable gold electrode‐electrolyte system to develop an insect odorant receptor (Drosophila melanogaster Or35a) based bioelectronic nose. Cyclic voltammograms (CVs) and electrochemical impedance spectroscopy (EIS) of bare gold electrodes, after modification with the...... hiện toàn bộ
Effects of Redox Couple on the Response of Polypyrrole‐Based Electrochemical DNA Sensors
Electroanalysis - Tập 24 Số 6 - Trang 1311-1317 - 2012
Marsilea A. Booth, SallyAnn Harbison, Jadranka Travaš-Sejdić
AbstractMuch research‐to‐date exists to create sensitive and selective DNA sensors. A variety of approaches are adopted, including those involving polypyrrole and electrical impedance spectroscopy. Combined these are able to sense as well as aptly transduce signals. Many such sensors employ ferri/ferrocyanide to exhibit surface hybridization. This redox reporter, t...... hiện toàn bộ
Spectroelectrochemistry of EuCl3 in Four Molten Salt Eutectics; 3 LiCl−NaCl, 3 LiCl−2 KCl, LiCl−RbCl, and 3 LiCl−2 CsCl; at 873 K
Electroanalysis - Tập 28 Số 9 - Trang 2158-2165 - 2016
Cynthia A. Schroll, Sayandev Chatterjee, Tatiana G. Levitskaia, William R. Heineman, Samuel A. Bryan
AbstractKey electrochemical properties affecting pyroprocessing of nuclear fuel were examined in four eutectic melts using Eu3+/2+ as a representative probe. We report the electrochemical and spectroelectrochemical behavior of EuCl3 in four molten salt eutectics (3 LiCl−NaCl, 3 LiCl−2 KCl, LiCl−RbCl and 3 LiCl−2 CsCl) at 87...... hiện toàn bộ
Effect of the Concentration of Supporting Electrolyte on Spectroelectrochemical Detection of [Ru(bpy)3]2+
Electroanalysis - Tập 23 Số 4 - Trang 939-946 - 2011
Laura K. Morris, Eme A. Abu, Christopher N. Bowman, Carla E. Estridge, Sara E. Andria, Carl J. Seliskar, William R. Heineman
AbstractThe effect of different concentrations of supporting electrolytes, either KNO3, NaNO3 or Ca(NO3)2, on the response of a spectroelectrochemical sensor was examined using [Ru(bpy)3]2+ as the analyte. The sensor consisted of an indium t...... hiện toàn bộ
A Novel Photoelectrochemical Sensor for Bisphenol A with High Sensitivity and Selectivity Based on Surface Molecularly Imprinted Polypyrrole Modified TiO2 Nanotubes
Electroanalysis - Tập 25 Số 3 - Trang 771-779 - 2013
LU Bing-jie, Meichuan Liu, Huijie Shi, Xiaofeng Huang, Guohua Zhao
AbstractA novel and simple photoelectrochemical (PEC) sensor is proposed to detect endocrine disruptor bisphenol A (BPA) based on vertically aligned TiO2 nanotubes (TiO2 NTs) with surface molecularly imprinted polypyrrole (PPy) for the first time. The developed PEC analytical method towards BPA successfully overcomes the hi...... hiện toàn bộ
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