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Microgel-Stabilized Smart Emulsions for Biocatalysis


  • This work was supported by the excellence initiative of the German federal and state government and by the Deutsche Forschungsgemeinschaft within the Sonderforschungsbereich 985. We thank Thomas Tigges for analysing emulsion stability.


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Emulsions stabilized by stimuli-responsive microgels were used to perform enzyme catalysis. Many substrates are poorly water-soluble, while enzymes naturally require aqueous environments, thus resulting in a two-phase aqueous–organic system. Smart microgels allow an enzyme-catalyzed reaction to be performed in an emulsion that can be broken under controlled conditions to separate the reaction product and to recycle the enzyme (E) and the microgel.