Remote Magnetic Actuation of Micrometric Probes for in situ 3D Mapping of Bacterial Biofilm Physical PropertiesOlivier Galy 1, Kais Zrelli 1, Patricia Latour-Lambert 2, Lyndsey Kirwan 3, Nelly Henry 1,3
1Physicochime Curie, CNRS UMR 168, Institut Curie, Sorbonne Universités, UPMC, 2Unité de Génétique des Biofilms, Institut Pasteur, 3Laboratoire Jean Perrin, CNRS UMR 8237, Sorbonne Universités, UPMC
This paper shows an original methodology based on the remote actuation of magnetic particles seeded in a bacterial biofilm and the development of dedicated magnetic tweezers to measure in situ the local mechanical properties of the complex living material built by micro-organisms at interfaces.