نتایج جستجو برای: spectroscopy (eis)

تعداد نتایج: 173324  

2011
Ahmed Yamani

In this paper, a new approach to the computation of electrochemical impedance spectroscopy (EIS) is presented where the EIS system is represented by a convolutional model, and thus the impedance of the EIS system is computed using robust deconvolution algorithms. Very promising results are obtained .

2014
Iris De Graeve Annick Hubin Herman Terryn Yves Van Ingelgem

Local Electrochemical Impedance Spectroscopy (LEIS) is an emerging discipline in the field of electrochemical research. It is based on the widely accepted Electrochemical Impedance Spectroscopy (EIS) technique, a powerful method to determine reaction mechanisms on macroscopic electrodes. When however the electrode represents a heterogeneous behavior, local information is indispensable. This pro...

Journal: :Frontiers in bioscience : a journal and virtual library 2008
Agata Stobiecka Anzhela Dvornyk Krystyna Grzelak Hanna Radecka

The interactions of recombinant juvenile hormone binding protein (His8-rJHBP) with juvenile hormones (JHs), methoprene and farnesol have been studied with electrochemical impedance spectroscopy (EIS). The protein was immobilized on the dodecanethiol (DDT) modified gold electrodes. Each step of electrode modification has been confirmed with cyclic voltammetry (CV) and electrochemical impedance s...

Journal: :journal of nanostructures 2015
y. zeraatkish m. jafarian m. g. mahjani

electrochemical properties of various rock-shaped-cuo/graphite (g) composites and monoclinic structure cuo nanoparticles as the cathode versus a zinc plate as the anode in a 4m naoh electrolyte were elucidated by electrochemical impedance spectroscopy (eis) and chronopotentiometry (cp) in a two electrode configuration cell. various values of g 9, 16 and 28 wt% were prepared and studied as catho...

2018
Jin Soo Park Hye-Jin Kim Ji-Hoon Lee Jung Ho Park Jinsik Kim Kyo Seon Hwang Byung Chul Lee

Faradaic electrochemical impedance spectroscopy (f-EIS) in the presence of redox reagent, e.g., [Fe(CN)₆]3-/4-, is widely used in biosensors owing to its high sensitivity. However, in sensors detecting amyloid beta (Aβ), the redox reagent can cause the aggregation of Aβ, which is a disturbance factor in accurate detection. Here, we propose an interdigitated microelectrode (IME) based f-EIS tech...

Journal: :Proceedings of the International Astronomical Union 2004

2016
Chandrabhan Verma Mumtaz A. Quraishi

the Corrosion inhibition of mild steel in 1 M HCl has been investigated using three dendrimers by means of gravimetric, electrochemical impedance spectroscopy (EIS), potentiodynamic polarization, scanning electron microscopy (SEM) and energy dispersive Xray spectroscopy (EDX) techniques. Results showed that inhibition efficiency increases with increasing concentration of dendrimers. Among the s...

2011
Michelle O'Rourke Noel Duffy Roland De Marco Ian Potter

Electrochemical impedance spectroscopy (EIS) has been used to estimate the non-frequency dependent (static) dielectric constants of base polymers such as poly(vinyl chloride) (PVC), cellulose triacetate (CTA) and polystyrene (PS). Polymer inclusion membranes (PIMs) containing different amounts of PVC or CTA, along with the room temperature ionic liquid Aliquat 336 and plasticizers such as trisb...

2012
H. Wang L. Pilon ainan Wang Laurent Pilon

In the commentary to our paper [Electrochimica Acta 63 (2012) 55], Roling and Drüschler raised a very important issue regarding the measurements and comparison of the differential and integral capacitances retrieved using electrochemical impedance spectroscopy (EIS). They clearly explained that EIS measures differential capacitance rather than integral capacitance. The present letter aims to co...

1999
A. Biviano M. Ramella W. Boschin

Clusters of galaxies arise from exceptionally high peaks of the primordial fluctuation density field. Their properties as a function of redshift, z, are therefore highly sensitive to the nature of such cosmic fluctuations. It is therefore very important to have a sample of galaxy clusters covering as wide a redshift range as possible. Recently, Olsen et al. (1999) and Scodeggio et al. (1999) ha...

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