We describe an assay device which comprises (a) a substrate comprising: (i) a porous material capable of chromatographically transporting a liquid and (ii) one or more test reagents for an assay provided on the porous material; and (b) a water-impermeable coating polymer attached to the porous material so as to define a continuous bibulous compartment.

 
Web www.patentalert.com

> Chemical mechanical polishing compositions and methods relating thereto

~ 00395