Spectrophotometric method for the determination of total thiols in human urine.

Abstract:

:Thiols have been of enduring interest for many years because of their role in biological and pharmacological processes. Monitoring of total thiols content is very important in order to understand their function in living organisms. This paper describes the spectrophotometric method for the determination of total thiols concentration in urine. The method is based on derivatization with 1-benzyl-2-chloropyridinium bromide and ultraviolet detection of S-pyridinium derivatives at 316 nm. The analytical recovery and RSD values for precision within the calibration range were from 95.7 to 102.9% and from 2.1 to 8.4%, respectively. The concentration of total thiols normalized against creatinine for 38 apparently healthy subjects (19 women and 19 men) occurred in the range 17.2-73.7 and 25.7-83.6 mmol/mol creatinine, respectively. There was no difference in the urinary excretion of thiols in men and women, but there was a significant statistical correlation between urine total thiols and age in the studied group.

journal_name

Ann Clin Lab Sci

authors

Chwatko G

subject

Has Abstract

pub_date

2013-10-01 00:00:00

pages

424-8

issue

4

eissn

0091-7370

issn

1550-8080

pii

43/4/424

journal_volume

43

pub_type

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