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The quinone is red-violet in colour, [3] [5] with the intensity of the colour being in proportion to the glucose concentration. [3] The colour is measured at 505 nm, [2] 510 nm, [4] or 540 nm. [3] Diagnostic kits containing the Trinder reagent are available, including one from Sigma-Aldrich. [2]
The glucose oxidase enzyme (GOx or GOD) also known as notatin (EC number 1.1.3.4) is an oxidoreductase that catalyses the oxidation of glucose to hydrogen peroxide and D-glucono-δ-lactone. This enzyme is produced by certain species of fungi and insects and displays antibacterial activity when oxygen and glucose are present.
Oxidative/fermentation glucose test (OF glucose test) is a biological technique. It was developed in 1953 by Hugh and Leifson to be utilized in microbiology to determine the way a microorganism metabolizes a carbohydrate such as glucose (dextrose). [ 1 ]
American Society for Microbiology, Oxidase Test Protocol. 2013. ASM MicrobeLibrary, 1–9. Cheng W J, Lin C W, Wu T G, Su C S, Hsieh M S. 2013. Calibration of glucose oxidase-based test strips for capillary blood measurement with oxygen saturated venous blood samples. Clinica Chimica Acta. 415, 152–157.
In shorthand glucose oxidase is often called GOD and glucose dehydrogenase is often called GHD. GHD tends to be about 30 times more sensitive than GOD, weight for weight but is more subject to interfering reactions. The last paragraph says "Today's glucometers use a coulometric method.
Colorimetric analysis is a method of determining the concentration of a chemical element or chemical compound in a solution with the aid of a color reagent.It is applicable to both organic compounds and inorganic compounds and may be used with or without an enzymatic stage.
Fourteen members of a small religious sect in Australia have been found guilty of the manslaughter of an 8-year-old girl, who died after they withheld insulin needed to treat her diabetes because ...
In enzymology, a glucose-fructose oxidoreductase (EC 1.1.99.28) is an enzyme that catalyzes the chemical reaction. D-glucose + D-fructose D-gluconolactone + D-glucitol. Thus, the two substrates of this enzyme are D-glucose and D-fructose, whereas its two products are D-gluconolactone and D-glucitol.
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