نتایج جستجو برای: thermogravimmetry electrochemistry

تعداد نتایج: 3961  

2012
Christophe Léger

We introduce electrochemistry of redox proteins and enzymes in the context of functional studies. We explain the fundamental concepts of electrochemistry only as far as they are important for understanding at a qualitative level the results that are presented. We have selected the latter to illustrate the variety of mechanistic information that can be gained from electrochemical investigations....

2008
MARTIN Z. BAZANT OLGA I. VINOGRADOVA

MARTIN Z. BAZANT AND OLGA I. VINOGRADOVA Department of Mathematics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 31 Leninsky Prospect, 119991 Moscow, Russia CNRS UMR Gulliver 7083 and PMMH 7636, École Supérieure de Physique et de Chimie Industrielles, 10 rue Vauquelin, F-75005 Par...

2010
Vladimír Šepelák Paul Heitjans Klaus-Dieter Becker

1 Karlsruhe Institute of Technology, Institute of Nanotechnology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany 2 On leave from the Slovak Academy of Sciences, 04353 Košice, Slovakia 3 Leibniz University Hannover, Institute of Physical Chemistry and Electrochemistry, Callinstr. 3a, 30167 Hannover, Germany 4 Braunschweig University of Technology, Institute of Physical an...

Journal: :Analytical chemistry 2005
Serge G Lemay Dennis M van den Broek Arnold J Storm Diego Krapf Ralph M M Smeets Hendrik A Heering Cees Dekker

We report a new technique for fabricating electrodes for electrochemical applications with lateral dimensions in the range 15-200 nm and a reproducible, well-defined geometry. This technique allows determining the electrode size by electron microscopy prior to electrochemical measurements and without contamination of the metal electrode. We measured the diffusion-limited current with stepped-cu...

2014
Wolfgang B Schneider Alexander A Auer

In order to simulate electrochemical reactions in the framework of quantum chemical methods, density functional theory, methods can be devised that explicitly include the electrochemical potential. In this work we discuss a Grand Canonical approach in the framework of density functional theory in which fractional numbers of electrons are used to represent an open system in contact with an elect...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2005
Kuanping Gong Yiming Yan Meining Zhang Lei Su Shaoxiang Xiong Lanqun Mao

This review addresses recent developments in electrochemistry and electroanalytical chemistry of carbon nanotubes (CNTs). CNTs have been proved to possess unique electronic, chemical and structural features that make them very attractive for electrochemical studies and electrochemical applications. For example, the structural and electronic properties of the CNTs endow them with distinct electr...

Journal: :Journal of the American Chemical Society 2007
Alon A Gorodetsky Jacqueline K Barton

The electrochemistry of disulfides incorporated into the sugar-phosphate backbone of pyrene-modified DNA has been examined on highly oriented pyrolytic graphite (HOPG). Two signals, one irreversible, one reversible, are observed at -160 and -290 mV versus normal hydrogen electrode, respectively. The inclusion of a single base mismatch in the DNA duplex below the location of the disulfide leads ...

2014
Eslam Nouri-Nigjeh

For several years, electrochemistry in combination with mass spectrometry has been the subject of attention and development for studying the oxidative drug metabolism at early stages of new drug development. Though the technique could successfully imitate the in vivo oxidative drug metabolism initiated by electron transfer, it lags in the imitation of reactions initiated by either hydrogen atom...

Journal: :Journal of Solid State Electrochemistry 2023

Abstract In teaching electrochemistry, it is of primary importance to make students always aware the relations between electrochemistry and all non-electrochemical topics, which are taught. The vast majority will not specialise in but they can very much benefit from basics concepts electrochemistry. This paper aimed give suggestions how easily be interrelated topics inorganic, organic, analytic...

Journal: :Journal of Solid State Electrochemistry 2022

Abstract The electrochemistry nowadays has many faces and challenges. Although the focus shifted from fundamental to applied electrochemistry, one needs acknowledge that it is impossible develop design novel green energy transition devices without a comprehensive understanding of electrochemical processes at electrode electrolyte interface define performance mechanisms. review gives an overview...

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