Please use this identifier to cite or link to this item: https://doi.org/10.1080/08927014.2012.762643
Title: A novel geometry for a laboratory-based larval settlement assay
Authors: Petrone, L.
Lee, S.S.C. 
Teo, S.L.M. 
Birch, W.R.
Keywords: Amphibalanus amphitrite
apposing surfaces
cyprids
planar surface
settlement assay
settlement patterns
wetting confinement
Issue Date: Feb-2013
Citation: Petrone, L., Lee, S.S.C., Teo, S.L.M., Birch, W.R. (2013-02). A novel geometry for a laboratory-based larval settlement assay. Biofouling 29 (2) : 213-221. ScholarBank@NUS Repository. https://doi.org/10.1080/08927014.2012.762643
Abstract: A novel configuration, consisting of two apposing surfaces bounding a vertical water column, is presented and evaluated for settlement assays using cyprids of Balanus amphitrite. Assays were conducted on planar surfaces, ranging from hydrophobic polystyrene to hydrophilic glass and including CH3- and NH3 +-terminated self-assembled monolayers (SAMs). Identical apposing surfaces generated settlement rates comparable to those obtained in prior studies, while a choice assay yielded consistent results, with individual replicates each indicating the preferred surface for settlement. As gravity favours contact with the lower apposing surface, cyprids trapped at the air/water interface settled on or around the perimeter where the water column meets the lower substratum. These cyprids are capable of selecting a settlement location and are thus not lost to the assay. The assay geometry lends itself to assessing cyprid exploration and settlement on planar surfaces with chemical patterning, including relief microstructures, without using a confining material or requiring the coating of a three-dimensional well. © 2013 Copyright Taylor and Francis Group, LLC.
Source Title: Biofouling
URI: http://scholarbank.nus.edu.sg/handle/10635/116200
ISSN: 08927014
DOI: 10.1080/08927014.2012.762643
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