Fig. 9
From: Release kinetics of the model protein FITC-BSA from different polymer-coated bovine bone substitutes
Micrographs of insoluble bovine collagenous bone matrices (ICBM) in scanning electron microscopy. a ICBM coated with 5% PLGA in DMSO (dimethyl sulfoxide) solvent agent at 700x magnification; * evenly distributed glassy polymer distensions, b) ICBM coated with 5% PLGA in DMSO solvent agent at 400x magnification; * evenly distributed glassy polymer distensions, c) ICBM coated with 20% PLGA (poly-lactic-glycolic-acid) in DCM (dichloromethane) solvent agent at 70x magnification; # homogenous layer, d) ICBM coated with 5% PLGA in DCM solvent agent at 100x magnification; → cracks, e) ICBM coated with 20% PLGA in DCM solvent agent and FITC-BSA labeling at 100x magnification; § wave-like distensions, f) ICBM coated with 20% PLGA in DCM solvent agent after incubation in distilled water for 3 days (d) at 100x magnification; + holes and indentations