Direct Spectrophotometric Determination of Serum and Urinary Oxalate with Oxalate Oxidase
- 1 January 1981
- journal article
- research article
- Published by Walter de Gruyter GmbH in cclm
- Vol. 19 (11) , 1103-1106
- https://doi.org/10.1515/cclm.1981.19.11.1103
Abstract
A new enzymatic method for direct photometric determination of oxalate in serum and urine is described, using oxalate oxidase. The resulting H2O2 is measured with a coupled enzyme system of catalase [EC 1.11.1.6] and aldehyde dehydrogenase [EC 1.2.1.5]. Percentage recovery of added oxalate was 99 .+-. 4 in serum, and 98 .+-. 4 in urine (n = 10). Serum oxalate levels varied from 16.9 to 44.8 .mu.mol/l. Oxalate values can be determined within 20 min, without time consuming pretreatment of samples. The detection limit is 5 .mu.mol/l.This publication has 5 references indexed in Scilit:
- Enzymic determination of serum oxalateClinica Chimica Acta; International Journal of Clinical Chemistry, 1980
- The Functional Principle in Canada's External RelationsInternational Journal: Canada's Journal of Global Policy Analysis, 1980
- A simplified and rapid enzymatic method for determination of urinary oxalateClinica Chimica Acta; International Journal of Clinical Chemistry, 1974
- Purification and properties of oxalic acid oxidaseArchives of Biochemistry and Biophysics, 1966
- Zum Problem der NachweisgrenzeAnalytical and Bioanalytical Chemistry, 1965