Particle Manipulation in 2D Space Using a Capacitive Micromachined Ultrasonic Transducer.

ABSTRACT: Ultrasonic particle manipulation is a noncontact method for controlling microscale objects, such as cells or microparticles, using an acoustic field. In this study, a 2D array of capacitive micromachined ultrasonic transducers (CMUTs), placed horizontally in immersion, generated ultrasonic waves in the vertical direction, and the oil's surface increased due to the radiation force of the ultrasonic waves. In addition, the radiation force directly exerted a force on a floating particle. By measuring the movement of the reflected laser light by the moving oil surface, the height of the oil's surface deformed by the acoustic radiation force (ARF) was measured. The ARF made a floating particle, as well as the oil's surface, move. The particle moved radially away from the surface position above

SUBMITTER: Lee CH 

PROVIDER: S-EPMC9032542 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature