New psychoactive substances (NPS) are a heterogeneous group of substances. They are
associated with a number of health and social harms on an individual and societal level …

Sample preparation has been recognized as a major step in the chemical analysis workflow.
As such, substantial efforts have been made in recent years to simplify the overall sample …

This review presents fundamentals and a critical evaluation of the multivariate optimization
techniques employed by the analytical chemistry. Characteristics of the surface response …

Biological samples are usually complex matrices due to the presence of proteins, salts and a
variety of organic compounds with chemical properties similar to those of the target analytes …

Detection of illicit drugs in the environmental samples has been challenged as the
consumption increases globally. Current review examines the recent developments and …

In the last years, a global awareness has arisen from the reported harmful effects and public
health risks associated with the consumption of new psychoactive substances (NPSs) …

New psychoactive substances (NPS) are a major public health problem, primarily due to the
increased number of acute poisoning cases. Detection of these substances is a challenge …

Sample preparation is a critical step in forensic analytical toxicology. Different extraction
techniques are employed with the goals of removing interferences from the biological …

Benzimidazole opioids, often referred to as nitazenes, represent a subgroup of new
psychoactive substances with a recent increase in fatal overdoses in the USA and Europe …

Oxycodone, often used as an analgesic, is a potent opioid. While its effectiveness has been
proven in the control of moderate to acute pain, excessive use of oxycodone imposes heart …