Normal Serum Base Matrix is used to support your analytical studies. It may be used to titrate markers for determination of assay LOD and sample recovery, evaluation of assay precision, and other validation studies to support your regulatory submissions. This product is intended for research and development use and should not be used for clinical diagnostic purposes. All donors are screened negative for FDA-required viral markers using FDA-cleared test methods; however, all materials should be considered potentially infectious and handled with universal precautions. These products are NOT intended for use in the manufacturing and/or processing of injectable products subject to licensure under section 351 of the Public Health Service Act or for any other product intended for administration to humans.