Micro-structured surfaces for algal biofilm growth

Suthamathy Sathananthan; Scott N. Genin; J. Stewart Aitchison; D. Grant Allen

doi:10.1117/12.2033794

7 December 2013 Micro-structured surfaces for algal biofilm growth

Suthamathy Sathananthan, Scott N. Genin, J. Stewart Aitchison, D. Grant Allen

Proceedings Volume 8923, Micro/Nano Materials, Devices, and Systems; 892350 (2013) https://doi.org/10.1117/12.2033794
Event: SPIE Micro+Nano Materials, Devices, and Applications, 2013, Melbourne, Victoria, Australia

Abstract

It is well known that cells respond to structured surface cues that are on the micro/nanometer scale. Tissue engineering and bio-fouling fields have utilized the semiconductor device fabrication processes to make micro- and nanometer patterned surfaces to study animal cell tissue formation and to prevent algae attachment on marine surfaces respectively. In this paper we describe the use of micro-structured surfaces to study the attachment and growth of algal films. This paper gives an overview of how micro-structured surfaces are made for this purpose, how they are incorporated into a photo bioreactor and how this patterning influences the growth of an algal biofilm. Our results suggest that surface patterning with deeper V-groove patterns that are of the same size scale as the algal species has resulted in higher biomass productivity giving them a chance to embed and attach on the slope and flat surfaces whereas shallower size grooves and completely flat surfaces did not show this trend.

Citation Download Citation

Suthamathy Sathananthan, Scott N. Genin, J. Stewart Aitchison, and D. Grant Allen "Micro-structured surfaces for algal biofilm growth", Proc. SPIE 8923, Micro/Nano Materials, Devices, and Systems, 892350 (7 December 2013); https://doi.org/10.1117/12.2033794

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