Patent ID: 7892840
Filing Date: 2011-02-22
Classification: A61N,G01N

Abstract:
1. A method of observing the elution of a compound from a matrix into an aqueous media, the method comprising exposing a matrix comprising the compound to a media, wherein the media comprises: 20-40% of a lower alkanol; and 0.2-6.0% of a matrix swelling agent; wherein the matrix swelling agent comprises at least: 0.2-1.0% diisopropyl amine; 0.2-1.0% dipropylamine; 0.2-1.0% tetramethylenediamine; 0.2-1.0% tributylamine; or 0.5-6.0% benzyl alcohol; and assaying the media for the presence of the compound so as to observe the elution of the compound from the matrix into the media.