Mercedes Medical DOA Drug Cup crop640Mercedes Medical, Sarasota, Fla, has been expanding its line of drug screening products. According to the company, the Tanner Scientific drugs of abuse multidrug test cup was the first in the line, and continues to be a strong performer after more than a year in the market. Used to screen for the presence of various drugs and drug metabolites in urine, the cup is a competitive immunoassay with waived complexity categorization under the terms of the Clinical Laboratory Improvement Amendments of 1988. When the test is activated, urine is absorbed into each test strip by capillary action, mixes with the respective drug monoclonal antibody conjugate, and flows across a precoated membrane. Test results are available in 5 minutes, and the flat test window makes for easy photocopying. For more information, visit Mercedes Medical.