Table 1. Table of combinatorial polyacrylamide copolymer hydrogel formulations evaluated.

Binary mixtures of acrylamide monomers were used to prepare hydrogels (20 wt% solids).

Formulation	Monomer 1	Monomer 2
A1	10% HEAm	10% DEAm
A2	15% HEAm	5% DEAm
B3	10% ALMP	10% DMAm
C4	5% ALMP	15% MPAm
D5	10% HEAm	10% MPAm
E6	15% MPAm	5% Am
D7	15% HEAm	5% MPAm
F8	10% Am	10% DEAm
F9	10% Am	10% DEAm
G10	15% Am	5% tHMAm
H11	15% AMPSAm	5% Am
F12	15% Am	5% DEAm
I13	15% NiPAm	5% DMAm
J14	5% ALMP	15% MPAm
K15	10% DMAm	10% ALMP