exposure to mercury (hg) as a heavy metal can cause health effects. the objective of this study was to assess occupational exposure to hg in a chlor-alkali petrochemical industry in iran by determining of hg concentrations in air, blood and urine samples.the study was performed on 50 exposed subjects and 50 unexposed controls. air samples were collected in the breathing zone of exposed subjects...

OBJECTIVES--To investigate urine neopterin as a parameter of disease activity in an unselected group of patients with systemic lupus erythematosus (SLE) and to study the relation between urine neopterin and certain patterns of organ disease and differing drug regimens in the treatment of SLE. METHODS--Neopterin was determined by high performance liquid chromatography in 115 early morning urine ...

Measurement of the anticoagulant effect of non-vitamin K antagonist oral anticoagulants (NOAC) may be desirable, in particular in patients with acute medical conditions. Useful methods should give results rapidly within minutes, should be easy to perform, specific, and sensitive. Using plasma samples, chromogenic assays can be made to be specific for the two types of NOAC (factor Xa and thrombi...

background trichomonas vaginalis infection is the most prevalent sexually transmitted disease in the world. it causes vaginitis, urethritis and preterm birth. it has been associated with nongonococcal urethritis in men. in this study, a polymerase chain reaction (pcr) targeting the beta-tubulin genes of t. vaginalis was developed for the detection of the organism in both vaginal swab and urine ...

introduction: urine morphine test, in several countries is the most primarily available qualitative test for detecting opioid abusers. since the users of illicit drugs attempt to defeat urine tests and there are also plenty of claims that usage of hd (high dose) contraceptive pills can result in false-negative results, we decided to design the present study to investigate the probable in vitro ...

CONTEXT The initial diagnosis of pheochromocytoma relies on plasma fractionated metanephrines levels. Normal levels exclude pheochromocytoma, but positive tests have a low positive predictive value due to the disease's rarity. OBJECTIVES The objective of the study was to evaluate three approaches to distinguish between true-positive and false-positive tests: 1) increased cutoff for plasma fra...

introduction: the present study aims to compare bile and urine samples of a corpse for detection of morphine. methods: in this cross-sectional study, forensic examination of the bodies placed 59 of the 366 referred corpses at the high suspicion of opioid overdose. urine and bile samples of the bodies were analyzed for morphine using thin layer chromatography. results: all samples were taken fro...