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Determination of the amount of active enzyme leached from the printed polyHIPE cylinders during the wash procedure and a 90 min incubation in a microtiter plate. The results are presented as mean values ± standard deviation (n = 3). The influence of (A) monomer mass fraction in the aqueous phase, (B) surfactant mass fraction in the organic phase, (C) aqueous phase volume fraction, and (D) nozzle diameter is shown.
