Probing biomolecular interactions at conductive and semiconductive surfaces by impedance spectroscopy: routes to impedimetric immunosensors, DNA‐sensors, and …

E Katz, I Willner - … to Fundamental and Practical Aspects of …, 2003 - Wiley Online Library
Impedance spectroscopy is a rapidly develo** electrochemical technique for the
characterization of biomaterial‐functionalized electrodes and biocatalytic transformations at …

Impedimetric biosensors

JG Guan, YQ Miao, QJ Zhang - Journal of bioscience and bioengineering, 2004 - Elsevier
Electrochemical impedance spectroscopy (EIS) is a sensitive indicator of a wide variety of
chemical and physical properties. An increasing trend towards the development of …

Impedance spectroscopy: Over 35 years of electrochemical sensor optimization

B Pejcic, R De Marco - Electrochimica acta, 2006 - Elsevier
There is considerable interest in the development of electroanalytical sensors (ie,
potentiometric, amperometric, electrochemical biosensors) for the detection of a wide range …

Use of nanomaterials for impedimetric DNA sensors: a review

A Bonanni, M Del Valle - Analytica chimica acta, 2010 - Elsevier
This review presents the state of the art of DNA sensors (or genosensors) that utilize
electrochemical impedance spectroscopy as the transduction technique. As issue of current …

Simultaneous determination of guanine and adenine in DNA using an electrochemically pretreated glassy carbon electrode

HS Wang, HX Ju, HY Chen - Analytica Chimica Acta, 2002 - Elsevier
A simple and reliable method based on adsorptive strip** at an electrochemically
pretreated glassy carbon electrode (GCE) was proposed for simultaneous or individual …

Impedance biosensors: Applications to sustainability and remaining technical challenges

R Radhakrishnan, II Suni, CS Bever… - ACS sustainable …, 2014 - ACS Publications
Due to their all-electrical nature, impedance biosensors have significant potential for use as
simple and portable sensors for environmental studies and environmental monitoring …

A study of intra-cochlear electrodes and tissue interface by electrochemical impedance methods in vivo

YY Duan, GM Clark, RSC Cowan - Biomaterials, 2004 - Elsevier
This paper presents methods, results and analysis for measurements of the electrochemical
impedance of platinum electrodes (∼ 0.43 mm2) over a 6-month implantation in the cat …

Highly selective, reusable electrochemical impedimetric DNA sensors based on carbon nanotube/polymer composite electrode without surface modification

H Jiang, EC Lee - Biosensors and Bioelectronics, 2018 - Elsevier
We fabricated a composite of multi-walled carbon nanotube and polydimethylsiloxane and
utilized it as an electrode for DNA sensing using electrochemical impedance spectroscopy …

Electrocatalytic oxidation and nanomolar determination of guanine at the surface of a molybdenum (VI) complex–TiO2 nanoparticle modified carbon paste electrode

MM Ardakani, Z Taleat, H Beitollahi… - Journal of …, 2008 - Elsevier
A modified carbon paste electrode was prepared by incorporating TiO2 nanoparticles with
bis [bis (salicylidene-1, 4-phenylenediamine) molybdenum (VI)]. A mixture of fine graphite …

Adsorption of guanine, guanosine, and adenine at electrodes studied by differential pulse voltammetry and electrochemical impedance

AM Oliveira-Brett, LA Silva, CMA Brett - Langmuir, 2002 - ACS Publications
Guanine, guanosine, and adenine have been electrochemically oxidized at a glassy carbon
electrode in aqueous solution. Electrochemical impedance is shown to be a valuable probe …