Analytical element containing a barrier zone and process employing same

摘要: Multizone element, for quantitative analyte determination in whole blood, containing a porous spreading zone separated from reagent by barrier zone, said comprising non-porous film polymer of: 30 to 95 percent weight of polymerized monomer having the structure (I) 0.25 (II) 0.1 50 (III) wherein: R1, R3, and R5 are independently selected group consisting hydrogen methyl, R2is alkyl 1 16 carbon atoms, R4 R6 alkylene groups 6 (IV) wherein R7 is hydrogen, 10 or cycloalkyl 5 M NR8R9H+X SO3-X R8 R9 4 atoms X counterion. A process employing element analyses analytes blood also disclosed.