Bacterial Footprints in Elastic Pillared Microstructures

  title={Bacterial Footprints in Elastic Pillared Microstructures},
  author={Arturo Susarrey-Arce and J. Federico Hernandez-Sanchez and Marco Marcello and Yuri Antonio Diaz-Fernandez and Alina Oknianska and Ioritz Sorzabal-Bellido and Roald Tiggelaar and Detlef Lohse and Han Gardeniers and J. H. Snoeijer and Alvaro Marin and Rasmita Raval},
Soft substrates decorated with micropillar arrays are known to be sensitive to deflection due to capillary action. In this work, we demonstrate that micropillared epoxy surfaces are sensitive to single drops of bacterial suspensions. The micropillars can show significant deformations upon evaporation, just as capillary action does in soft substrates. The phenomenon has been studied with five bacterial strains: S. epidermidis, L. sakei, P. aeruginosa, E. coli, and B. subtilis. The results reveal… CONTINUE READING

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