Results 61 to 70 of about 6,445 (304)

Electrochemical Detection of Trace Cadmium and Lead on a MCM41/Nafion/Antimony Film Composite-Modified Electrode

International Journal of Electrochemical Science, 2018
In the current work, an MCM41, Nafion and stibonium (Sb) composite-modified electrode was prepared to analyze trace cadmium (Cd) and lead (Pb) concentrations via square wave anodic stripping voltammetry (SWASV).
Yuan Yin, Hui Wang, Gang Liu
doaj   +1 more source

Polymer‐Redox Interactions Enhance Ferro/Ferricyanide Thermogalvanic Cells

Advanced Functional Materials, EarlyView.
Polyelectrolyte could modify the hydration structure of the redox couple in solution and improve the output performance of thermogalvanic cells, providing new fundamental insight into how electrostatic interactions can be exploited to tailor thermoelectric properties.
Pedro Santos Candiotto de Oliveira, Ziyauddin Khan, Swathi Suneesh, Sarbani Ghosh, Zia Ullah Khan, Reverant Crispin, Dan Zhao   +6 more
wiley   +1 more source

Study of Copper and Purine-Copper Complexes on Modified Carbon Electrodes by Cyclic and Elimination Voltammetry

Sensors, 2008
Using a paraffin impregnated graphite electrode (PIGE) and mercury-modifiedpyrolytic graphite electrode with basal orientation (Hg-PGEb) copper(II) and Cu(II)-DNApurine base solutions have been studied by cyclic (CV) and linear sweep voltammetry(LSV) in ...
Frantisek Jelen, Radka Mikelova, Filip Dycka, Lenka Zerzankova, Libuse Trnkova   +4 more
doaj  

Aerosol Jet Printed 3D Electrochemical Sensors for Protein Detection

Sensors, 2018
The use of electrochemical sensors for the analysis of biological samples is nowadays widespread and highly demanded from diagnostic and pharmaceutical research, but the reliability and repeatability still remain debated issues. In the expanding field of
Edoardo Cantù, Sarah Tonello, Giulia Abate, Daniela Uberti, Emilio Sardini, Mauro Serpelloni   +5 more
doaj   +1 more source

Sustainable Electrochemical Synthesis of High‐Quality MXenes: Mechanistic Insights, Applications, Challenges, and Technological Prospects

Advanced Functional Materials, EarlyView.
Electrochemical etching provides an eco‐friendly alternative to hazardous HF methods for MXene production. This approach facilitates the selective isolation of the A‐layer from MAX phases with tunable surface terminations. Controlling voltage, electrolytes, temperature, and duration enables the optimal structural integrity. Nevertheless, existing scale
Jagdeep Singh, Madhusudhana M Devadiga, Santosh K. Tiwari, AS Dhaliwal, Gurpreet Singh Selopal   +4 more
wiley   +1 more source

Pseudo-stir bar hollow fiber solid/liquid phase microextraction combined with anodic stripping voltammetry for determination of lead and cadmium in water samples

Journal of Advanced Research, 2014
A new procedure is presented for the determination of low concentrations of lead and cadmium in water samples. Ligand assisted pseudo-stir bar hollow fiber solid/liquid phase microextraction using sol–gel sorbent reinforced with carbon nanotubes was ...
Zarrin Es’haghi, Hasan Ali Hoseini, Saeed Mohammadi-Nokhandani, Javad Ebrahimi   +3 more
doaj   +1 more source

Wood Cellulosic Membrane With Abundant Nanochannels for Stabilizing Aqueous Zn‐Ion Batteries

Advanced Functional Materials, EarlyView.
A wood‐derived cellulosic membrane separator is developed to suppress dendrite growth in aqueous zinc‐ion batteries. Its aligned nanochannels and hydroxyl‐rich surfaces enable uniform Zn2+ flux, water immobilization, and interfacial stabilization. Zn||Zn cells achieve 1920 h of cycling, Zn||Cu cells maintain 99.5% Coulombic efficiency over 1000 cycles,
Song Wei, Yunpeng Zhong, Ruwei Chen, Shanshan Jia, Hongping Dong, Zhen Zhang, Lei Li, Yiqiang Wu, Guanjie He   +8 more
wiley   +1 more source

Influence of Prefermentation Clarification on Heavy Metal Lability in Garnacha Must and Rosé Wine Using Differential Pulse Anodic Stripping Voltammetry [PDF]

, 1997
A desirable must clarification process should improve the quality of the wine, remove substances that produce unwanted flavors, favor the fermentation to dryness, and increase the fermentation rate.
Ayestarán, B. [0000-0002-2903-1332], Fraile, P., Garrido, J. [0000-0002-3366-9726], Ancín, C. [0000-0001-7690-3204]   +3 more
core  

Orange peel essential oil as component of a metal sensor for lead (II) ion determination in aqueous solutions

Journal of Applied Sciences and Environmental Management, 2005
Orange (Citrus sinensis) peel, a waste material was used as source of essential oil that served as component of a sensor that detects the presence of lead (II) ions in aqueous solutions. The prepared sensor was investigated in evaluating its potential as
Rolando O Elviña, Elmer-Rico E Mojica
doaj   +1 more source

Crystal Growth Engineering for Dendrite‐Free Zinc Metal Plating

Advanced Materials, EarlyView.
This research employed the rare‐earth ion dysprosium (Dy) to modulate aqueous zinc (Zn) metal plating. Integrated multiscale experiments and computational modeling unveiled the preferential adsorption of Dy on specific crystal facets, which activated screw dislocation‐driven Zn growth.
Guifang Zeng, Sharona Horta, Qing Sun, Malik Dilshad Khan, Maria Ibáñez, Yuhang Han, Shang Wang, Longqiu Li, Lijie Ci, Yanhong Tian, Andreu Cabot   +10 more
wiley   +1 more source