Life in the slip lane: the effect of molecular level friction on algal adhesion

Pettitt, M. E.; Bowen, J.; Callow, M. E.; Callow, J. A.; Preece, J. A. and Leggett, G. J. (2006). Life in the slip lane: the effect of molecular level friction on algal adhesion. In: 13th International Congress on Marine Corrosion and Biofouling, 23-28 Jul 2006, Rio de Janeiro, Brazil.

URL: https://www.academia.edu/9823847/Life_in_the_slip_...

Abstract

The settlement and adhesion of Navicula perminuta and Ulva linza to methyl-terminated alkanethiol self-assembled monolayers (SAMs) of increasing chain length has been investigated. Organisms were allowed to settle onto the monolayers and were subsequently exposed to hydrodynamic shear stress in order to determine their adhesion strength. Results show that as the SAM structure changes from amorphous to crystalline (C₁₄), there is a marked change in the adhesion of N. perminuta and U. linza. Given that the SAMs in the series all exhibit similar contact angle behaviour and surface energy, it is hypothesized that the lubricity of the surface plays a role in determining the surface adhesion.

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