Microsensor electrodes

Fig. 3 Schematic illustration of a microfabricated multi-element array A comprising 32 interdigitated microsensor electrodes, and B comprising 64 independently addressable microdisc voltametric electrodes. Each device shows the large area counter electrode (middle) and the reference electrode as a band around the counter electrode...

Microfabricated Interdigitated Microsensor Electrodes (IMEs), Planar Metal Electrodes (PMEs), Independently Addressable Microband Electrodes (lAMEs), and E Chem Cell-On-A-Chip . An ABTECHApplication Note... 

Thin films of polypyrrole were deposited potentio-statically on chemically derivatized interdigitated microsensor electrodes of gold on borosilicate glass. The... 

Fig. 3 Schematic illustration of the several steps involved in the preparation of microlithographically fabricated interdigitated microsensor electrode (IME) arrays...

A picture of a microfabricated interdigitated microsensor electrode, (b) a schematic illustration of the IME, (c) the Bode plot of I Z I and 9 obtained from the frequency-dependent interrogation of an IME 1525.3 ITO device in 0.01 M PBS containing 10 mM [Ee(CN)e] (solid line, 10 mV p-t-p, offset = 0) and the corresponding fitting data (dotted line), and (d) the equivalent circuit model derived from the NLLS fitting of the impedance data... 

The immobilization of DNA on the glass surface between the metallic digits of microlithographically fabricated microsensor electrodes (IMEs) using 3-glycidoxypropyl-tiimethoxysilane. (b)... 

Impedimetric Biosensors for Nano- and Microfluidics, Fig. 9 The effect of decreasing the spatial wavelength, 7, of the interdigitated microsensor electrode array, (a) Schematic illustration of X and b. (b) A plot of... 

FIGURE 12.14 Schematic of various microfabricated electrode array devices manufectured by ABTECH Scientific, Inc. (A) Interdigitated microsensor electrodes (IMEs), (B) independently addressable microband electrodes (lAMEs), (C) independently addressable interdigitated microsensor electrodes (lAlMEs), (D) microdisc electrode array (MDEA), and (E) electrochemical cell-on-a-chip MDEA (ECC MDEA 5037). 

Guiseppi-Elie, A., A.M. Wilson, J.M. Tour, T.W. Brockmann, P. Zhang, and D.L. AUara. 1995. Specific immobilization of electropolymerized polypyrrole thin films onto interdigitated microsensor electrode arrays. Langmuir 11 1768. 

FIGURE 4 Bode plot of the impedance (a) magnitude and (b) phase of a microfabricated interdigated microsensor electrode array measured over the range 0.1 mHz to 100 kHz in 0.5 M KCl at 25°C. Showing the effect of electrode platinization ( ) unplatinized platinum electrodes ( ) platinized platinum electrodes. 

The use of microfabricated interdigitated microsensor electrode arrays and AC impedance presents a powerful tool for the study of the dynamic behavior of chem-... 

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