A new open access article "Microfluidics for High Pressure: Integration on GaAs Acoustic Biosensors with a Leakage-Free PDMS Based on Bonding Technology" has been published in MDPI Micromachines as part of the Special Issue Feature Papers of Micromachines in Biology and Biomedicine 2022. The paper by Saber Hammami, Aleksandr Oseev, Sylwester Bargiel, Rabah Zeggari, Céline Elie-Caille and Thérèse Leblois continues to develop our original GaAs for biosensing platform.