Sweat is an alternative biological matrix useful to detect drugs of abuse intake. It is produced
by eccrine and apocrine glands originating in the skin dermis and terminating in secretory …

The use of alternative specimens in the field of toxicology was first described in 1979, when
hair analysis was used to document chronic drug exposure. Since then, the use of these …

The investigation of novel sample matrices in the forensic sciences offers several possible
advantages, such as allowing for results to be obtained in cases where common sample …

Monitoring of amphetamine-type stimulant (ATS) confronts clinical labs with a high number
of samples involving a variety of biological matrices. Liquid chromatography-tandem mass …

Widespread consumption of drugs of abuse worldwide has caused concern: it adversely
affects public health, individual safety, and social structures. Experts are particularly alarmed …

A confirmatory method for the determination of illicit drugs based on micro-solid phase
extraction with modified tips, made of a functionalized fiberglass with apolar chains of …

A sensitive and specific method is presented to simultaneously quantify methadone, heroin,
cocaine and metabolites in sweat. Drugs were eluted from sweat patches with sodium …

As análises toxicológicas forenses caracterizam-se pela investigação de compostos de
interesse forense, em especial drogas de abuso, em diversas matrizes biológicas. As …

Background: To facilitate the monitoring of drug abuse by patients, a method was developed
and validated for fast and highly selective screening for amphetamine, methamphetamine, 3 …

In this work, a new clean-up and pre-concentration method based on disk solid-phase
extraction (SPE) was developed to determine multi-class pharmaceutical residues covering …