PSYCHEMEDICS - bnsf.com
PSYCHEMEDICS C O R P O R A T I O N general Hair testing analyzes for drugs within the hair shaft, rather than body fluids like urine or saliva, to determine whether drugs of abuse are present. Compared to analysis of body fluids, hair testing is highly resistant to evasion by adulterating or substituting samples, or by simply abstaining from drug use for a few days. PSYCHEMEDICS patented method for detecting drugs in hair uses immunoassay and state-of-the-art GC/MS/MS or LC/MS/MS confirmation to measure the drug molecules and metabolites permanently entrapped in hair which were incorporated following ingestion.
PSYCHEMEDICS C O R P O R A T I O N . GENERAL. Hair testing analyzes for drugs within the hair shaft, rather than body fluids like urine or …
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