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Proceedings Paper

Micro-structured surfaces for algal biofilm growth
Author(s): Suthamathy Sathananthan; Scott N. Genin; J. Stewart Aitchison; D. Grant Allen
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Paper 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.

Paper Details

Date Published: 7 December 2013
PDF: 9 pages
Proc. SPIE 8923, Micro/Nano Materials, Devices, and Systems, 892350 (7 December 2013); doi: 10.1117/12.2033794
Show Author Affiliations
Suthamathy Sathananthan, Univ. of Toronto (Canada)
Scott N. Genin, Univ. of Toronto (Canada)
J. Stewart Aitchison, Univ. of Toronto (Canada)
D. Grant Allen, Univ. of Toronto (Canada)

Published in SPIE Proceedings Vol. 8923:
Micro/Nano Materials, Devices, and Systems
James Friend; H. Hoe Tan, Editor(s)

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