Which Parameters Affect Biofilm Removal with Acoustic Cavitation? A Review

Ultrasound in Medicine & Biology
Nina VyasA Damien Walmsley

Abstract

Bacterial biofilms are a cause of contamination in a wide range of medical and biological areas. Ultrasound is a mechanical energy that can remove these biofilms using cavitation and acoustic streaming, which generate shear forces to disrupt biofilm from a surface. The aim of this narrative review is to investigate the literature on the mechanical removal of biofilm using acoustic cavitation to identify the different operating parameters affecting its removal using this method. The properties of the liquid and the properties of the ultrasound have a large impact on the type of cavitation generated. These include gas content, temperature, surface tension, frequency of ultrasound and acoustic pressure. For many of these parameters, more research is required to understand their mechanisms in the area of ultrasonic biofilm removal, and further research will help to optimise this method for effective removal of biofilms from different surfaces.

Citations

Aug 31, 2019·Drugs·Claudia Vuotto, Gianfranco Donelli
Feb 18, 2020·Lasers in Surgery and Medicine·Matjaž LukačMatija Jezeršek
Jun 20, 2020·Photobiomodulation, Photomedicine, and Laser Surgery·Matija JezeršekAleš Fidler
Dec 12, 2019·Frontiers in Bioengineering and Biotechnology·Priyanka TharkarWojciech Chrzanowski
Nov 20, 2020·Clinical and Experimental Dental Research·Elisabetta PolizziGiulia Tetè
Jan 5, 2021·Critical Reviews in Food Science and Nutrition·Dan LiuXin-An Zeng
Nov 9, 2019·Ultrasound in Medicine & Biology·Kirby R LattweinKlazina Kooiman
Feb 12, 2020·Ultrasonics Sonochemistry·Janez KoselMatevž Dular
Mar 1, 2021·Ultrasound in Medicine & Biology·Weng Yee ChongTimothy G Leighton
Jun 14, 2021·Ultrasonics Sonochemistry·Ryeol ParkWonjung Kim
May 17, 2021·Microbial Biotechnology·Chun Kiat NgWei E Huang
Aug 20, 2021·Journal of Medical Ultrasonics·Harumi KoibuchiNobuyuki Taniguchi
Apr 14, 2020·Ultrasonics Sonochemistry·N VyasA D Walmsley

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