Droplet manipulation with thermal control exploits the advantages of thermocapillary effect at the microscale. Previously, I have demonstrated the use of thermal control in both droplet generation and sorting.
Murshed, S. M. S.; Tan, S.H.; Nam-Trung, N.* Temperature dependence of interfacial properties and viscosity of nanofluids for droplet-based microfluidics. Journal of Physics D: Applied Physics, 2008, 41 (8), 085502
Tan, S.H.; Murshed, S. M. S.; Nam-Trung, N.*; Teck Neng, W.; Levent, Y. Thermally controlled droplet formation in flow focusing geometry: formation regimes and effect of nanoparticle suspension. Journal of Physics D: Applied Physics, 2008, 41 (16), 165501
Murshed, S. M. S.; Tan, S.H.; Nguyen, N.*; Wong, T.; Yobas, L., Microdroplet formation of water and nanofluids in heat-induced microfluidic T-junction. Microfluid Nanofluid, 2009, 6 (2), 253-259.
Thermally mediated droplet sorting
Yit-Fatt, Y.; Tan, S.H.; Nam-Trung, N.*; Murshed, S. M. S.; Teck-Neng, W.; Levent, Y. Thermally mediated control of liquid microdroplets at a bifurcation. Journal of Physics D: Applied Physics, 2009, 42 (6), 065503.