| http://www.w3.org/ns/prov#value | - The conjugate release pad 21 holds a mobile and visible label, or marker, such as colloidal gold, and is in contact with the nitro-cellulose membrane 24 such that when fluid is added to the swab holder 16, it is drawn by capillary action downstream from the swab holder 16 through the absorbent sample pad 26 through the conjugate release pad 27 and subsequently through the nitro-cellulose membrane
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