Researchers have shown that analyzing dried urine extracts with GC-MS/MS to assess levels of reproductive hormones in pre-and post-menopausal women provides similar results to radioimmunoassays using ...

Illicitly manufactured fentanyl and amphetamine-type stimulants are major contributors to the opioid crisis in North America.

GC-MS is a technique used for analysis of volatile and semi-volatile compounds. Gas chromatography is a potent separation technique capable of separating compounds in gaseous form. GC can identify ...

NASHVILLE – The number of opioid prescriptions filled in U.S. pharmacies has tripled since the early 90s, skyrocketing from 76 million in 1991 to 219 million in 2001. During this time period, ED ...