Whether you are a concerned parent, a loved one, or an employer who suspects a drug problem in the workplace, the Drug Screens is an invaluable tool.
Usually, an analyte or a substance to be tested is an antigen. An antibody is a special molecule produced by human or animal immune cells. Well selected antibodies bind antigens with high specificity. For example, a cocaine antibody binds with cocaine molecule only, it does not cross-bind with morphine or other substances. Varied immunoassay products have been developed by combining detectable label technology and antibody-antigen binding properties.
The ATFirst™ DOA tests are highly sensitive one-step urine tests use our Colloidal Gold Technology; employing unique monoclonal antibodies to identify presence of drug metabolites in urine samples.

In stock... For the Rapid Detection of group A streptococcal antigen (Strep A) from throat swab specimens.


