amperometry


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am·per·om·e·try

(am-pĕ-rom'ĕ-trē),
Determination of any analyte concentration by measurement of the current generated in a suitable chemical reaction.

amperometry

[am′parom′ətrē]
the measurement of current at a single applied potential.
References in periodicals archive ?
Amperometry The potential of the working electrode is maintained at a constant value versus the reference electrode.
There are several methods of glucose measurement sensing: infrared spectroscopy, reflectance photometry, and amperometry.
evoked catecholamine release using carbon fiber microelectrode amperometry from isolated chromaffin cells and PC12 cells as described previously (Westerink and Vijverberg 2002).
17], polarography [18], potentiometry [19] amperometry [20,21] amperometric biosensor [22] and fiber optic sensors [23,24].
Amperometry is a technique where the output of the sensor is current, which is measured by applying a constant potential between the working and reference electrodes.
Examples of topics covered include presynaptic regulation of extracellular dopamine as studied by continuous amperometry in anesthetized animals; fast scan cyclic voltammetry of dopamine and serotonin in mouse brain slices; determining serotonin and dopamine uptake rates in synaptosomes using high-speed chronoamperometry; biophysical properties of brain extracellular space explored in ion-selective microelectrodes, integrative optical imaging, and related techniques; principles, development, and applications of self-referencing electrochemical microelectrodes to the determination of fluxes at cell membranes; telemetry for biosensor systems; and in vivo fast-scan cyclic voltammetry of dopamine near microdialysis probes.
has developed a microbore ion-exchange column as part of a system that lets you detect amino acids directly with integrated pulsed amperometry.
Because the determinative step in Method OIA-1677 is amperometry, the chemical reagents employed for colorimetric determinations under currently approved methods are unnecessary.
Shim, Simultaneous detection of antibacterial sulfonamides in a microfluidic device with amperometry.
The base instrument includes the hardware and the interface to do cyclic voltammetry, controlled potential electrolysis, chronoamperometry-chronocoulometry, DC potential amperometry, chronopotentiometry and open circuit potential versus time.
The instrument performs all the standard electrochemical measurements: normal, cyclic, and stripping voltammetry, stripping analysis, amperometry, transient response, temperature pH, and automatic trace metals measurement.
An alternative method enabled direct measurement of the renal markers by pulsed amperometry for the detection of nitrogen-containing compounds and more easily oxidized uric acid (47).