Results 41 to 50 of about 20,987 (223)

Electroanalysis of Plant Thiols

Sensors, 2007
Due to unique physico-chemical properties of –SH moiety thiols comprise widegroup of biologically important compounds. A review devoted to biological functions ofglutathione and phytochelatins with literature survey of methods used to analysis of ...
Rene Kizek, Miroslava Beklova, Libuse Trnkova, Vojtech Adam, Josef Zehnalek, Ladislav Havel, Jiri Pikula, Jiri Baloun, Karel Stejskal, Ondrej Zitka, Pavel Hanustiak, Vaclav Diopan, Dalibor Huska, Veronika Supalkova   +13 more
doaj   +1 more source

Electroanalytical Techniques for the Detection of Selenium as a Biologically and Environmentally Significant Analyte—A Short Review

Molecules, 2021
This short review deals with the properties and significance of the determination of selenium, which is in trace amounts an essential element for animals and humans, but toxic at high concentrations. It may cause oxidative stress in cells, which leads to
Miroslav Rievaj, Eva Culková, Damiána Šandorová, Zuzana Lukáčová-Chomisteková, Renata Bellová, Jaroslav Durdiak, Peter Tomčík   +6 more
doaj   +1 more source

DNA sensing by electrocatalysis with hemoglobin [PDF]

, 2012
Electrocatalysis offers a means of electrochemical signal amplification, yet in DNA-based sensors, electrocatalysis has required high-density DNA films and strict assembly and passivation conditions.
Barton, Jacqueline K., Guerra, Luis F., Pheeney, Catrina G.   +2 more
core   +2 more sources

Electroanalysis Advances in Pharmaceutical Sciences: Applications and Challenges Ahead

Analytica
Electroanalysis has emerged as a critical tool in the pharmaceutical industry, offering versatile and sensitive methods for drug analysis. This review explores the principles, techniques, and applications of electroanalysis in pharmaceuticals ...
Ram Kumar, Sushant Salwan, Pawan Kumar, Nisha Bansal, Bhupinder Kumar   +4 more
doaj   +1 more source

Sulfide Detection by Gold-Amalgam Microelectrodes in Artificial Wastewater

Chemosensors, 2020
Gold amalgam microelectrodes (GAMEs) have been characterized and successfully calibrated to measure >1.5 mM (30 mg L−1) sulfide in artificial wastewater (AWW) using cathodic stripping voltammetry (CSV).
Jonas M. S. Andrich, Uwe Schröder
doaj   +1 more source

A 16 x 16 CMOS amperometric microelectrode array for simultaneous electrochemical measurements [PDF]

, 2018
There is a requirement for an electrochemical sensor technology capable of making multivariate measurements in environmental, healthcare, and manufacturing applications.
Accarino, Claudio, Al-Rawhani, Mohammed A., Busche, Christoph, Cheah, Boon Chong, Cumming, David R.S., Giagkoulovits, Christos, Grant, James P.   +6 more
core   +1 more source

In Vivo Electrochemical Monitoring of Safinamide Pharmacokinetics in the Brain Explores Its Correlation With Vision‐Related Neuronal Activity

Advanced Science, EarlyView.
An electrochemical platform based on differential pulse amperometry enables real‐time, selective tracking of safinamide pharmacokinetics in the living brain with high spatiotemporal resolution. When integrated with electrophysiology, this approach reveals that drug‐induced suppression of vision‐related neuronal activity provides mechanistic insight ...
Xiaoke Nan, Chuqi Li, Qianhe Dai, Junlan Zhou, Lijiao Cao, Yuying Liu, Jinger Chen, Meiping Xiong, Yuhang Jiang, Xianchan Li   +9 more
wiley   +1 more source

Direct Electron Transfer of Glucose Oxidase and Electrocatalysis of Glucose Based on Gold Nanoparticles/Electroactivated Graphite Nanocomposite

International Journal of Electrochemical Science, 2015
In this study, we reported a direct electron transfer reaction of glucose oxidase (GOx) at gold nanoparticles-electroactivated graphite/screen printed carbon electrode (AuNPs-EGr/SPCE). The activated graphite was prepared through a simple electrochemical
Murugan Velmurugan, Subramanian Sakthinathan, Shen-Ming Chen, Chelladurai Karuppiah   +3 more
doaj   +1 more source

New insight into 4-nitrobenzene diazonium reduction process: Evidence for a grafting step distinct from NO2 electrochemical reactivity [PDF]

, 2012
Electrochemical and spectroscopic investigations were performed in order to clarify the mechanism of 4-nitrobenzene diazonium reduction on glassy carbon in protic medium.
Evrard, David, Gros, Pierre, Richard, William   +2 more
core   +3 more sources

Functionalizing Conductive Diamond: Recent Advance in Fabrication, Modifications, and Applications

Carbon Energy, EarlyView.
This review highlights recent advancements in the synthesis, modification, and electrochemical applications of conductive diamond, particularly boron‐doped diamond (BDD). It emphasizes progress in fabrication methods, including CVD and HPHT, and explores modifications such as doping, surface terminations, and composite design, enabling significant ...
Ning Linghu, Xin Jiang, Jing Xu
wiley   +1 more source