Cross-linking: Samples were placed in a vapor chamber and then collected at different times, between 2 and 48 h, with 20 mL of glutaraldehyde (GA, 50% water, Panreac), which was vaporized at room temperature, placed at the bottom of the chamber.
Cross-linking: Samples were placed in a vapor chamberand then collected at different times, between 2 and 48 h,with 20 mL of glutaraldehyde (GA, 50% water, Panreac),which was vaporized at room temperature, placed at thebottom of the chamber.