نتایج جستجو برای: electrochemical method

تعداد نتایج: 1674297  

2016
Samantha Raisa Catarelli Daniel Lonsdale Lei Cheng Jaroslaw Syzdek Marca Doeff

Citation: Catarelli SR, Lonsdale D, Cheng L, Syzdek J and Doeff M (2016) Intermittent Contact Alternating Current Scanning Electrochemical Microscopy: A Method for Mapping Conductivities in Solid Li Ion Conducting Electrolyte Samples. Front. Energy Res. 4:14. doi: 10.3389/fenrg.2016.00014 intermittent contact alternating current scanning electrochemical Microscopy: a Method for Mapping conducti...

Journal: :Chemical communications 2011
Sujeong Shin Byoung Yeon Won Cheulhee Jung Sung Chul Shin Dae Yeon Cho Soo Suk Lee Hyun Gyu Park

Utilizing a peptide nucleic acid (PNA)-modified electrode and a single-stranded DNA specific endonuclease, a novel electrochemical method to identify DNA mutations has been developed and represents a totally new strategy for the electrochemical diagnosis of human genetic mutations.

Herein, graphene oxide is produced by electrochemical oxidation method from graphite rod to examine its hydrogen peroxide sensing ability. The electrochemically produced graphene oxide is characterized by SEM and XRD. A few layers of Graphene Oxide(GO) sheets and corrugations in graphene sheets appeared intensely crumpled and folded into a typical wrinkled structure after electrochemical oxidat...

Journal: :physical chemistry research 2014
mohamad ghasem mahjani reza moshrefi majid jafarian jaber neshati

entropy as a measure of uncertainty was used to represent the results of the wavelet technique in electrochemical noise analysis. the experimental signals were obtained by recording the electrochemical potential and current noise of 7075 aluminum alloy in 3.5% nacl solution. the electrochemical potential and current noise were decomposed into 16 levels using daubechies wavelets. wavelet output ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2002
jahanbakhsh raoof reza ojani mohammad fallah

the electrochemical preparation of poly-n-methylpyrrole (pmpy) coated platinum electrode in chloroform in the presence of tetrabutylammonium perchlorate, hexafluorophosphate, hydrogensulphate, periodate and iodide as supporting electrolytes was performed. the influence of electrosynthesis method, dopant anion type and operation temperature on electrochemical behavior of polymer were demonstrate...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1386

چکیده ندارد.

Journal: :Small 2012
Hayden A Burgoyne Philseok Kim Mathias Kolle Alexander K Epstein Joanna Aizenberg

A rapid screening method for optimizing electrochemical deposition conditions of polypyrrole (PPy) nanostructures is reported. An electrochemical cell is integrated within a low-cost microfluidic system, in which electrochemical deposition is carried out across a linear concentration gradient of a reaction parameter. The protocol, refered to as the screening of conditions for rationally enginee...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

2017
Jae-Wook Shin Kyeong-Jun Kim Jinho Yoon Jinhee Jo Waleed Ahmed El-Said Jeong-Woo Choi

Several neurological disorders such as Alzheimer's disease and Parkinson's disease have become a serious impediment to aging people nowadays. One of the efficient methods used to monitor these neurological disorders is the detection of neurotransmitters such as dopamine. Metal materials, such as gold and platinum, are widely used in this electrochemical detection method; however, low sensitivit...

2007
R. A. MAHDAVINEJAD

Electrochemical machining is one of the most effective methods in machining of hard and complex shapes. As a result, it is a very good candidate for inside rifle machining. In this paper the principles and mathematical modelling, the results of computer simulation and experimental investigations of electrochemical rifling tool are presented. From this point of view, a rifling tool in electroche...

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