Table 1.

Gelatin microparticles (GMPs) of varying crosslinking and collagenase-containing phosphate-buffered saline (CC-PBS) concentrations used to model GMP degradation.

GMP Crosslinking*	2 mM, 3 mM, 4 mM, 5 mM
CC-PBS Concentration (ng/ml)^	0, 20, 100, 200

^*GMPs were crosslinked in a solution of glutaraldehyde at the concentrations indicated above at 4°C for 15 h

^{^}20 ng/mL CC-PBS concentration was only tested for 2 mM and 3 mM GMPs