Controlled Double-Sensitivity of Microgels Applied to Electronically Adjustable Chemostats


  • This work was supported by the Deutsche Forschungsgemeinschaft within the Collaborative Research Centre 287 “Reactive Polymers”. GeSiM mbH assisted with the fabrication of the device.


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The controlled double-sensitivity of stimuli-responsive polymers (see figure) can be used to adjust their functional properties. The ion or solvent concentration, automatically controlled by the micro-chemostat, is adjusted by the temperature of a thermosensitive hydrogel corresponding to its phase transition concentration.