E.coli bacteria attached to a sand grain : "Landing on a sand grain"
The movie shows E. coli bacteria (strain DSM 1116) attached to a grain of sand. The size of the sand grain is approx. 0.85 mm. The SEM (scanning electron microscope) pictures were taken within a laboratory experiment, measuring the influence of different concentration of E. coli bacteria to the Induced Polarization (IP) method in frequency- and time-domain (LINKIP project, funded by the European U