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- Publisher
- Springer Journals
- Copyright
- Copyright © 2001 by MAIK “Nauka/Interperiodica”
- Subject
- Life Sciences; Medical Microbiology; Biochemistry, general; Microbiology
- ISSN
- 0003-6838
- eISSN
- 1608-3024
- DOI
- 10.1023/A:1012319604737
- Publisher site
- See Article on Publisher Site
Abstract
A highly sensitive method for tungsten detection in proteins based on the ability of this metal to catalyze the oxidation of rubeanic acid with hydrogen peroxide is described. The method allows the determination of tungsten in protein samples in the concentration range of 0.05 to 0.4 μg/ml. Molybdenum, at a concentration lower than half the concentration of tungsten, as well as iron, selenium, and pterin at concentrations 2.5 times higher than that of tungsten, had no effect on tungsten determination by this method.
Journal
Applied Biochemistry and Microbiology – Springer Journals
Published: Oct 19, 2004