Deaths from opioid use are increasing in the US, with a growing proportion due to synthetic
opioids. Until 2013, sporadic outbreaks of fentanyl and fentanyl analogs contaminating the …

Fentanyl, fentanyl analogs, and other novel synthetic opioids (NSO), including nitazene
analogs, prevail in forensic toxicology casework. Analytical methods for identifying these …

Fentanyl is a typical opioid that is used in surgical anesthesia. However, when abused,
fentanyl can lead to addiction and even death. To better control the use of fentanyl, it is …

Fentanyl is a potent synthetic opioid that has attracted significant attention due to its illegal
production and distribution, resulting in misuse, overdose, and fatalities. Because numerous …

We examined fentanyl and its six analogs using wB97XD/cc‐pVTZ density functional
theoretical (DFT) calculations as well as Raman and Surface‐enhanced Raman …

Substance abuse is a significant problem in the United States. 1 Over 2.1 million emergency
department visits in 2009 were associated with drug misuse or abuse, of which 47 …

In recent times, structural variants of fentanyl (designer fentanyls) have appeared on the
recreational drug market for new psychoactive substances (NPS). These potent opioids …

Fentanyl and its analogs, such as acetylfentanyl, have become a concern for potential
abuse. Fentanyl compliance monitoring and urine drug testing are becoming increasingly …

Synthetic opioids, such as fentanyl and its analogues, are a new public health warning.
Clandestine laboratories produce drug analogues at a faster rate than these compounds …

Background A positive urine fentanyl toxicology test may have considerable consequences
for peripartum individuals, yet the extent to which fentanyl administration in a labor epidural …