The OPI One Step Opiate Test Strip is an immunoassay based on the principle of competitive binding. Drugs which may be present in the urine specimen ... more info
This assay is a one-step lateral flow chromatographic immunoassay. The test strip includes 1) a burgundy-colored conjugate pad containing mouse ... more info
The MTD One Step Methadone Test Device (Urine) is an immunoassay based on the principle of competitive binding. Drugs that may be present in the ... more info