Introduction: Head hair analysis for drugs and drug metabolites has been used widely with
the aim of detecting exposure in the weeks or months prior to sample collection. However …

Segmental hair analysis can provide valuable retrospective information on the history of
drug exposure in victims of drug facilitated crimes (DFC). This is now possible with …

Monitoring of alcohol consumption by living persons takes place in various contexts,
amongst which workplace drug testing, driving under the influence of alcohol, driving licence …

Abstract The Society of Hair Testing (SoHT) has provided cutoffs for the quantification of
ethyl glucuronide (EtG) in hair to indicate occasional or chronic/excessive alcohol …

The proposal of the concept of Precision Science and the rapid development of technology
have raised expectations for a higher demand for accurate quantitative analysis, including …

The use of alternative matrices such as oral fluid and hair has increased in the past decades
because of advances in analytical technology. However, there are still many issues that …

For quality assurance, soaked quality hair samples can serve as good substitutes for the
detection of chronic drug use and single-dose intake in the hair testing of multi-analytes …

Excessive alcohol consumption is a global problem, and consequently its evaluation is of
great clinical and forensic interest. Alcohol biomarkers have been the focus of several …

This manuscript provides an overview for analysts, medical and scientific investigators, and
laboratory administrators, the range of factors that should be considered to implement best …

The assessment of quantification results of the alcohol abuse marker ethyl glucuronide (EtG)
in hair in comparison to the cut-off values for the drinking behavior may be complicated by …