نتایج جستجو برای: electrochemical potential

تعداد نتایج: 1111326  

In recent years, combinatorial methods have attracted a great deal of attention. Among them, sono-combining techniques have shown a significant potential as an economic technology applicable and environment-friendly technology for wastewater treatment. In this study, Sono Electrochemical SE, Sono Photo Electrochemical SPE and Sono Photo Electro Catalytic SPEC techniques were investigated for de...

Davood Kaviani Majid Saghi Maryam Agha Mohammadi Mohammad Hosein Bigtan

The studies performed about electrochemical oxidation 2-amino-4-methylphenol indicate that ortho-quinone yielded through oxidation of this chemical compound was unstable and it could be used as Michael acceptor under solvent influences, carrier electrolyte, additives and could be transformed into the various compounds in the form of 1-4 addition Michael reaction. Based on this, in the paper fir...

2002

Superoxide Dismutase-Based Third-Generation Biosensor for Superoxide Anion Electrochemical Immunoassay Moving into the Fast Lane Characterization and Reactions of Previously Elusive 17Electron Cations: Electrochemical Oxidations of (C H )Cr(CO) and (C H )Co(CO) in the Presence of [B(C F ) ] Although chemical redox reagents can be highly selective, many produce toxic b y p r o d u c t s . I n c ...

Journal: :nanochemistry research 2016
mohammad mazloum-ardakani abolfazl naser-sadrabadi alireza khoshroo

in the present paper, the use of a novel carbon paste electrode modified by 7,8-dihydroxy-3,3,6-trimethyl-3,4-dihydrodibenzo[b,d]furan-1(2h)-one (dtd) and oxidized multi-walled carbon nanotubes (ocnts) is described for determination of levodopa (ld), acetaminophen (ac) and tryptophan (trp) by a simple and rapid method. at first, the electrochemical behavior of dtd is studied, then, the mediated...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2012
ibrahim shibl el-hallag elsayed hassan el-mossalamy abdullah mohamed asiri

diolefinic antibacterial laser dye namely 1,4-bis[2-(4-pyridyl) vinyl] benzene (4pvb)have been investigated electrochemically using cyclic voltammetry, chronoamperometry, convolution and deconvolution voltammetry combined with digital simulation techniques at a platinum electrode in 0.1 mol / l tetra butyl ammonium perchlorate (tbap) in  solvent 1,2-dichloroethane.  the diolefinic species were ...

2001
Makoto Takagi

Electrochemical labeling of double-stranded (ds) DNA is achieved by redox-active DNA intercalators. Threading intercalators derived from naphthalenediimide appended with ferrocene reporter group in the side arms are particularly useful for this purpose. This allows a sensitive electrochemical detection of DNA hybridization on an array, providing a great potential for low-cost, high-throughput, ...

Journal: :Nanotechnology 2013
Ilya V Pobelov Miklós Mohos Koji Yoshida Viliam Kolivoska Amra Avdic Alois Lugstein Emmerich Bertagnolli Kelly Leonhardt Guy Denuault Bernhard Gollas Thomas Wandlowski

Insulated atomic force microscopy probes carrying gold conductive tips were fabricated and employed as bifunctional force and current sensors in electrolyte solutions under electrochemical potential control. The application of the probes for current-sensing imaging, force and current-distance spectroscopy as well as scanning electrochemical microscopy experiments was demonstrated.

Journal: :Nature communications 2014
Liam Collins Stephen Jesse Jason I Kilpatrick Alexander Tselev Oleksandr Varenyk M Baris Okatan Stefan A L Weber Amit Kumar Nina Balke Sergei V Kalinin Brian J Rodriguez

The presence of mobile ions complicates the implementation of voltage-modulated scanning probe microscopy techniques such as Kelvin probe force microscopy (KPFM). Overcoming this technical hurdle, however, provides a unique opportunity to probe ion dynamics and electrochemical processes in liquid environments and the possibility to unravel the underlying mechanisms behind important processes at...

2015
S BABY GAYATHRI

Electrochemical DNA biosensors are used widely due to its sensitivity, accessibility and accuracy. This electrochemical era in DNA biosensors took almost three decades for its development and application. Purine bases in the DNA namely guanine and adenine oxidizes at the working electrode during application of a positive potential. This property of DNA has been utilized in electrochemical DNA b...

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