Urinalysis is well established for drug screening. Various methods of urine adulteration such
as dilution, addition of oxidative/reductive chemicals or detergents, and handing over urine …

Urine drug testing is common for workplace drug testing, prescription management,
emergency medicine and the criminal justice system. Unsurprisingly, with the significant …

Urine drug testing plays an important role in monitoring licit and illicit drug use for both
medico-legal and clinical purposes. One of the major challenges of urine drug testing is …

Drug testing programs are established to help achieve a drug-free work environment,
promote fair competition in sport, facilitate harm minimization and rehabilitation programs …

Immunochromatographic strips for urine drug screening tests (UDSTs) are common and very
suitable for drug abuse monitoring, but are also highly susceptible to adulterants kept in the …

Purpose: In the field of urine drug testing, there are several strategies to manipulate a urine
sample to become false negative and a wide variety of instructions and manipulation kits are …

To avoid a positive urine drug test, donors might try to subvert the test, either by adulterating
the specimen with a product designed to interfere with testing or by substituting the …

Synthetic urine (SU), which was primarily utilized by drug testing laboratories as a matrix for
quality control preparations, is now commercially sold and can be used to “fool” a positive …

It may not always be easy to distinguish between an adulterated urine and a genuine one
that responds marginally towards tests implemented to monitor parameters indicative of …

Ensuring specimen validity is an essential aspect of toxicological laboratories. In recent
years, substituting authentic urine specimens for synthetic urine (SU) has become …