These T*H*C test kits are a rapid chromatographic immunoassay based on the principle of competitive binding. Illicit substances which may be present in the urine specimen compete against the substance conjugate for binding sites on the antibody.
These T*H*C test kits are a rapid chromatographic immunoassay based on the principle of competitive binding. Illicit substances which may be present in the urine specimen compete against the substance conjugate for binding sites on the antibody.