Results 31 to 40 of about 1,814 (160)

Hydrothermal Synthesis of Manganese Sulfide Decorated Graphene Oxide for Effective Electrochemical Sensing of Dopamine

International Journal of Electrochemical Science, 2019
Microsphere like structured manganese sulfide decorated graphene oxide (MnS/GO) composites were synthesized by using simple hydrothermal method. The above prepared MnS/GO composite was characterized by using X-ray diffraction spectroscopy (XRD), Scanning
Settu Ramki, Karuppaih Pandi, Shen-Ming Chen, Yi-Ting Ye, Tse-Wei Chen, Qingli Hao   +5 more
doaj   +1 more source

(Bio)Sensing Strategies Based on Ionic Liquid-Functionalized Carbon Nanocomposites for Pharmaceuticals: Towards Greener Electrochemical Tools

Nanomaterials, 2022
The interaction of carbon-based nanomaterials and ionic liquids (ILs) has been thoroughly exploited for diverse electroanalytical solutions since the first report in 2003. This combination, either through covalent or non-covalent functionalization, takes
Álvaro Torrinha, Thiago M. B. F. Oliveira, Francisco W. P. Ribeiro, Pedro de Lima-Neto, Adriana N. Correia, Simone Morais   +5 more
doaj   +1 more source

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

An Electroanalytical Solution for the Determination of Pb²⁺ in Progressive Hair Dyes Using the Cork–Graphite Sensor

Sensors, 2022
Lead is one of the most toxic metals for living organisms: once absorbed by soft tissues, it is capable of triggering various pathologies, subsequently bioaccumulating in the bones.
Thalita Medeiros Barros, Danyelle Medeiros de Araújo, Alana Tamires Lemos de Melo, Carlos Alberto Martínez-Huitle, Marco Vocciante, Sergio Ferro, Elisama Vieira dos Santos   +6 more
doaj   +1 more source

MnO2 nanorods modified screen-printed electrode for the electrochemical determination of Sudan dye in food sample

Journal of Electrochemical Science and Engineering, 2022
A novel MnO2 nanorods modified screen-printed electrode was fabricated and used as a voltammetric sensor for Sudan determination. MnO2 nanorods were characterized using Field emission-scanning electron microscopy (FE-SEM).
Sayed Ali Ahmadi, Peyman Mohammadzadeh Jahani   +1 more
doaj   +1 more source

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

Research developments in carbon materials based sensors for determination of hormones

Journal of Electrochemical Science and Engineering, 2021
Various carbon-based sensors (graphene, carbon nanotubes, graphite, pencil graphite, glassy carbon, etc.) have distinctive behavior and a broad range of importance for identifying sex hormones like estriol, estradiol, estrone, progesterone, and ...
Jamballi G. Manjunatha, Girish Tigari, Hareesha Nagarajappa, Nambudumada S. Prinith   +3 more
doaj   +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

Simple immunosensor for ultrasensitive electrochemical determination of biomarker of the bone metabolism in human serum

Frontiers in Chemistry, 2022
Ultrasensitive and selective determination of biomarkers of the bone metabolism in serum is crucial for early screening, timely treatment, and monitoring of the curative effect of osteoporosis, which is a silent disease with serious health threats ...
Qiang Chang, Qiang Chang, Jie Huang, Liming He, Liming He, Fengna Xi   +5 more
doaj   +1 more source

Measuring the Dynamic Nanometric Contact Radius of a Single Microdroplet on an Electrified Microinterface

Angewandte Chemie International Edition, EarlyView.
Electrochemical measurements as single aqueous microdroplets collide with electrode interfaces reveal nanoscale wetting dynamics. By tuning electrostatic repulsion, we control contact formation and probe surface interactions well beyond the optical diffraction limit.
Kathryn J. Vannoy, Jeffrey Dick, Marc Koper   +2 more
wiley   +1 more source