Capillary action between the Nylon fiber strands facilitates strong by Copan are used in a wide variety of applications. FecalSwab ® combines state-of-the-art flocked swabs with 2mL of Cary-Blair medium in a plastic, screw cap tube. Strands of Nylon are applied using a unique flocking process Perpendicular Nylon Fibers act like a soft brush and allow improved collection of cell samples. FecalSwab ® simplifies and standardizes fecal sample collection, transport, and processing by converting fecal specimens into compact and easy-to-manage liquid specimens.. While the swab may be used as a transfer device, many labs prefer a loop or a transfer pipet to take an aliquot for testing. A common use of flocked swabs is for nasopharyngeal sample collection. Does COPAN hold a patent for flocked swabs? Yes, COPAN is the inventor of flocked swabs and holds patents in the United States, Europe, Canada, Japan, Australia, New Zealand and China. Copan Liquid Amies Elution Swab (ESwab) Collection and Preservation System (GB) Product Insert & How to Use Guide INTENDED USE Copan Liquid Amies Elution Swab (ESwab) Collection and Transport System is intended for the collection and transport of clinical specimens containing aerobes, anaerobes, fastidious bacteria, viruses and Chlamydia.