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Schematic representation of antifouling experiments on nonmodified and polymer-coated beads using biotinylated serum proteins. Nonspecifically adsorbed serum proteins on the beads are subsequently incubated with fluorescently labeled streptavidin. The fluorescence intensity reflects the amount of adsorbed proteins. Polymer-coated beads largely repel the serum proteins and therefore show low fluorescence intensities.
