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A) The release of fluorescently labeled BSA from a layered hydrogel was prepared with DNP-BSA, FITC-BSA and Texas-red-BSA. A * indicates significance with respect to the FITC-BSA release, and a # with respect to Texas-red-BSA. B) The release of both therapeutic proteins (insulin) and small chemicals (camptothecin) is shown over time. All data is presented as average ± standard deviation.
