Determination of ammonia by enzyme electrode with NAD amplification.
نویسندگان
چکیده
منابع مشابه
Determination of ammonia and urea in urine and of urea in blood by use of an ammonia-selective electrode.
I propose a single, quick method for measuring ammonia in urine and urea in plasma and urine. An ammonia-selective electrodie is used, set up on a microcell, which allows use of small sample volumes. Ammonia is measured directly after partial conversion of ammonium ions to NH3. Urea is measured after its hydrolysis by urease. With urine, the two procedures can be carried out successively in the...
متن کاملRapid determination of ammonia in a perchloric acid supernate from blood, by use of an ammonia-specific electrode.
A simple,rapidmethod was developed foraccurate determinationof ammonia inwhole blood.Blood proteins were precipitated with perchioric acid (8 g/dl) and the free ammonia liberatedinthe supernateon alkalinization was measured directlywithan ammonia-specific electrode after adjusting the sample temperature to 25 #{176}C. Some variablesaffectingprecision,accuracy, and electrodeperformance were stud...
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published in Aduance ACS Abstracts, Octobar 1, 1993.
متن کاملDevelopment of An Immobilized Enzyme Electrode for the Determination of Sulfite Ion
An enzyme electrode was developed using the enzyme sulfite oxidase (EC1.8.3.1) immobilized onto pig intestine. Hydrogen peroxide produced was monitored amperometrically. All experimental parameters such as pH, temperature, buffer constituent concentration, were thoroughly investigated and optimized when appropriate. The response to sulfite concentration was linear in the range 5.2´...
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ژورنال
عنوان ژورنال: Journal of Advanced Science
سال: 1998
ISSN: 1881-3917,0915-5651
DOI: 10.2978/jsas.10.2-3_122