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[Sensors and Actuators B: Chemical] Poly(ionic liquid) thermo-responsive hydrogel microfluidic actua


In this study we report the synthesis, characterisation and performance of thermo-responsive crosslinked tributylhexyl phosphonium sulfopropylacrylate (PSPA) poly(ionic liquid) (PILc) hydrogels as temperature controlled actuators in microfluidic devices. The hydrogel size is modulated by localised changes in its temperature due to the lower critical solution temperature (LCST) behaviour exhibited by PSPA.

Alexandru Tudora, 1, Janire Saezb, 1, Larisa Floreaa, , , Fernando Benito-Lopezb, , , Dermot Diamonda a Insight Centre for Data Analytics, National Centre for Sensor Research, Dublin City University, Dublin 9, Ireland b Analytical Microsystems & Materials for Lab-on-a-Chip (AMMa-LOAC) Group, Microfluidics UPV/EHU Cluster, Analytical Chemistry Department, University of the Basque Country UPV/EHU, Vitoria-Gasteiz, Spain Received 17 October 2016, Revised 1 March 2017, Accepted 11 March 2017, Available online 14 March 2017 http://dx.doi.org/10.1016/j.snb.2017.03.045

Link: http://www.sciencedirect.com/science/article/pii/S092540051730463X

#03172017 #PSPA #MaterialScience #hydrogel #thermoresponsive #actuator #LCST

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