The effect of the second excitation frequency mode under different conditions on the fluid streaming and microparticles acoustophoresis with the aim of separating biological cells. - Mirollah Hosseini; Mohammadamir Hasani; Mohit Biglarian; Amir Hossein Amoei; Davood Toghraie; Abbasali Abouei Mehrizi; Sara Rostami (Comput. Methods Programs Biomed., 2020)