The recreational use of opioid drugs is a global threat to public health and safety. In
particular, an epidemic of opioid overdose fatalities is being driven by illicitly manufactured …

Since the first outbreak of SARS-CoV-2 (severe acute respiratory syndrome-coronavirus-2)
in China in December 2019, the infection has rapidly spread all over the world. This new …

Sažetak Piperazine derivatives are a group of compounds with a psychostimulant effect.
They are an alternative to illegal drugs. They are being searched for recreational use due to …

Background Nonmedical prescription psychiatric drug use (NMPDU) is an increasing global
health problem, with recent concern focusing on darknet cryptomarkets as sources of …

Several definitions of NPS are in use, with the term 'new'not necessarily referring to new
inventions but to substances that have recently been made available, possibly including …

Substance misuse services need to meet the growing demand and needs of individuals
using new psychoactive substances (NPS). A review of the literature identified a paucity of …

The dark web scene has been drawing the attention of law enforcement agencies and
researchers alike. To date, most of the published works on the dark web are based on data …

Abstract U-47,700 is a synthetic opioid that emerged on the novel psychoactive substance
market a few years ago. After incorporating the substance into the urine UPLC-TOF-MS …

New psychoactive substances (NPS) are synthetic compounds launched within the last
decade as legal alternatives to common drugs of abuse. Despite the rapid growth of the NPS …

The Tor dark web network has been reported to provide a breeding ground for criminals and
fraudsters who are exploiting the vulnerabilities in the network to carry out illicit and …