Journal of Vibration and Sound

Journal of Vibration and Sound

A novel approach based on the use of polydimethylsiloxane to manipulate microparticles using standing surface acoustic waves

Document Type : research article

Authors
naser naserifar 1
Ehsan Radmanfard 2
1 K.N. Toosi University of Technology
2 K. N. Toosi University of Technology
Abstract
Surface acoustic wave (SAW) technology is an efficient tool for precise control of microrobots and cells in biomedical and microfluidic applications. Polydimethylsiloxane (PDMS), due to its biocompatibility and flexibility, adds new capabilities to SAW systems by adjusting the base to curing agent ratios, providing more options for cell isolation, manipulation, trapping, and other applications. In this study, different compositions with ratios of 20:1, 10:1, 5:1, and 2:1 were investigated and their effects on standing surface acoustic waves (SSAW) and the ability to control microrobots were evaluated. Experimental and simulation results show that some PDMS formulations add the ability to change the acoustic impedance and damping to the system and operate effectively at specific points. Ultimately, the implications of these findings are important in fields such as drug delivery, tissue engineering, and microfluidic systems requiring rapid and precise control of microrobotsو and it can have a positive impact in this area.
Keywords
Surface acoustic standing waves
Acoustic impedance
Microelectromechanics
Microparticles
Subjects
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