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Antibody release from lyogels at varying silk concentrations, 3.2% (circles, solid line), 6.2% (triangles, long dashed line), 9.2% (squares, short dashed line), and 12.4% (diamonds, dotted line). (A) Cumulative release as a function of time. (B) Cumulative release normalized to 100% at day 38. Where error bars are not visible, they fall within the symbol. Lines were added as a visual aid.
