Background: There is currently a profusion of near-patient testing devices that have been
specifically targeted at drug dependency units and clinics. Some of these devices have been …

On-site drug tests are becoming increasingly more popular because of their easy test
protocols and instantaneous results. This study evaluates the performance of four on-site …

Immunoassays are presently used worldwide for the rapid screening of drugs. Despite the
fact that they are a highly valuable tool for the testing of legal and illicit drugs, there is a real …

A comparison of five non-instrumented urine drug-testing devices was performed using a
challenging clinical specimen set with drug concentrations close to the immunoassay …

Pitfalls are a permanent risk in all fields of forensic-and clinical-toxicological analysis and
are not only concerned with immunoassays, although they are at present mostly discussed …

Abstract Point-of-care (POC) testing suffers from same types of interference, if not more, as
Central Laboratory (CL) testing does. POC tests may have increased imprecision and …

Detecting substance abuse using point-of-care testing (POCT) is a multimillion dollar
business. Generally, such testing is performed using urine as the sample and targets the …

Immunoassays are used worldwide for the rapid screening of drugs. Despite the fact that
they are highly valuable tools for the testing of legal and illicit drugs, there is a non …

Point of care testing (POCT) devices are available for bedside or physician's office testing of
drugs of abuse using either urine specimen or oral fluid. Advantage of such testing is rapid …

The Triage® drugs-of-abuse assay (Biosite Diagnostics) uses an immunological technique
known as ASCEND™ Multlmmunoassay (AMIA™)(Fig. 1). AMIA is a competitive binding …