Results 241 to 250 of about 9,966 (291)

Flexible Gold-Based Electrochemical Biosensor for Highly Sensitive Detection of Saxitoxin in Water Samples. [PDF]

ACS Omega
Bernardes Sequalini I, Teixeira da Silva T, Albuquerque Giraldi L, Silva Vieira NC.   +3 more
europepmc   +1 more source

Submicron Electrode Gaps Fabricated by Gold Electrodeposition at Interdigitated Electrodes [PDF]

Key Engineering Materials, 2014
Electrodes with submicron gaps are desired for achieving high amplication redoxcycling sensors. In this contribution we report the use of electrodeposition of gold in order todecrease the inter-electrode spacing at interdigitated electrodes. Using this method submicronspacings can be obtained without expensive techniques such as e-beam lithography or ...
van Megen, M.J.J., Olthuis, Wouter, van den Berg, Albert   +2 more
openaire   +3 more sources

Electrothermal pumping with interdigitated electrodes and resistive heaters

ELECTROPHORESIS, 2015
Interdigitated electrodes are used in electrokinetic lab‐on‐a‐chip devices for dielectrophoretic trapping and characterization of suspended particles, as well as the production of field‐induced fluid flow via AC electroosomosis and electrothermal mechanisms.
Williams, Stuart J., Green, Nicolas
openaire   +4 more sources

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On the impedance response of interdigitated electrodes

Electrochimica Acta, 2019
Abstract Finite-element impedance simulations were used to provide a relationship between the characteristic dimension and the physical dimensions of the interdigitated electrodes. Inclusion of electric and displacement currents allowed simulation of the capacitive loop associated with the geometric capacitance. An error analysis was used to quantify
Arthur Dizon, Mark E Orazem
exaly   +2 more sources

Fluid streaming above interdigitated electrodes in dielectrophoresis experiments

ELECTROPHORESIS, 2011
AbstractFor the investigation of alternating current electrokinetic effects, a system is presented that allows for the simultaneous observation of fluid flow above and around microelectrodes in all three directions in space. Beside the usual microscopical view from top, lateral observation through the same objective is made possible by two small ...
Stanke, Sandra (Dr.), Bier, Frank Fabian, Hoezel, Ralph   +2 more
core   +4 more sources

Single-crystal relaxor ferroelectric piezoactuators with interdigitated electrodes

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2004
We report on the fabrication and performance of (1-x) Pb(Zn(1/3)Nb(2/3))O3-xPbTiO3 (PZN-PT) single-crystal relaxor piezoactuators with interdigitated electrodes patterned on a single surface. An electric field gradient across the sample thickness induces a differential contraction between opposite faces, and it is responsible for the actuation.
Miguel, Levy, Raghav, Vanga, Kee S, Moon, Heung K, Park, Yong K, Hong   +4 more
openaire   +3 more sources

Interdigitated coplanar electrodes for enhanced sensitivity in a photorefractive polymer

Optics Letters, 2011
Organic photorefractive polymer composites can be made to exhibit near 100% diffraction efficiency and fast writing times, though large external slants are needed to project the applied field onto the grating vector. We show here that the use of interdigitated electrodes on a single plane provides similar performance to these standard devices and ...
C W, Christenson, C, Greenlee, B, Lynn, J, Thomas, P-A, Blanche, R, Voorakaranam, P St, Hilaire, L J, LaComb, R A, Norwood, M, Yamamoto, N, Peyghambarian   +10 more
core   +5 more sources

Comparison of Planar and 3‐D Interdigitated Electrodes as Electrochemical Impedance Biosensors

Electroanalysis, 2011
It has been reported that the introduction of a dielectric barrier between adjacent digits of an interdigitated electrode array can improve the sensitivity of the array as an electrochemical impedance biosensor.
Sunil Rana, Calum J Mcneil
exaly   +2 more sources

Cyclic Biamperometry at Micro-Interdigitated Electrodes

Analytical Chemistry, 2011
Cyclic biamperometry was studied as an analytical method for use with commercially available, comb-type, coplanar microinterdigitated electrodes (μIDEs), using the ferri-/ferrocyanide redox couple as a model analyte. The μIDEs studied in this work were made of gold that had been deposited onto a Ti/W adhesion layer on borosilicate glass chips and had 5
Mehdi, Rahimi, Susan R, Mikkelsen
openaire   +2 more sources

A sensitive DNA capacitive biosensor using interdigitated electrodes [PDF]

Biosensors and Bioelectronics, 2017
Lei Wang, Milena Veselinovic, Brian J Geiss   +2 more
exaly   +2 more sources