This paper provides a brief overview of qualitative drug testing procedures using urine, hair,
saliva and sweat specimens. Issues related to collection, analysis and interpretation of each …

This article concerns the use of urine as a biological specimen for determination of alcohol
in clinical and forensic toxicology and discusses factors that might influence variability in the …

Drug users can be highly motivated to obtain negative results on urine drug tests and may
attempt to subvert the process by in vivo adulteration. The use of herbal products for …

Urine drug testing plays an important role in monitoring licit and illicit drug use for both
medico-legal and clinical purposes. One of the major challenges of urine drug testing is …

A simple and efficient screening method for cocaine and cocaine metabolites has been
developed using an inexpensive, disposable hollow fibre membrane. Drug extraction was …

Several factors may affect the validity and outcome of urine testing for abused drugs such as
amphetamines, barbiturates, benzodiazepines, cannabinoids, cocaine, ethanol, opiates …

The performance of three on-site adulterant detection devices that assess the integrity of
urine specimens collected for drug-of-abuse testing was evaluated: the Intect™ 7, MASK …

Immunoassay for Detection of Cocaine/Metabolites in Oral Fluids Page 1 There is growing
interest in the use of alternate biological fluids for drug testing. An advantage of oral fluids is …

Workplace drug testing (WDT) is essential to prevent drug abuse disorders among the
workforce because it can impair work performance and safety. However, WDT is limited by …

Stealth is an adulterant advertised as being undetectable by adulteration tests. It has been
described as peroxidase and peroxide, which, when added to urine samples, are intended …