Acoustofluidic particle manipulation inside a sessile droplet: four distinct regimes of particle concentration

• DOI: 10.1039/c5lc01104c
• Publication Date: 2015-12-18T11:49:07Z
• Authors: Ghulam Destgeer; Hyunjun Cho; Byung Hang Ha; Jin Ho Jung; Jinsoo Park; Hyung Jin Sung
• Keywords: 02 engineering and technology; 0210 nano-technology

We have investigated the motion of polystyrene microparticles inside a sessile droplet actuated by surface acoustic waves (SAWs). Four distinct regimes (R1–R4) of particle concentration are identified based on the particle diameters and the SAW frequencies.