Enhancing the settlement and attachment strength of pediveligers of Mytilus galloprovincialis by changing surface wettability and microtopography

Biofouling
Christina CarlRocky de Nys

Abstract

Surface wettability and microtopography can either enhance or deter larval settlement of many sessile marine organisms. This study quantifies the effect of these surface properties on the settlement of pediveligers of Mytilus galloprovincialis, using polymers spanning a range of wettability and microtextured polydimethylsiloxane (PDMS). Furthermore, the adhesion strength of settled pediveligers on microtextured PDMS surfaces was quantified using a flow chamber. Settlement was enhanced at the hydrophilic end of the wettability spectrum, where mean settlement on nylon reached 33.5 ± 13.1%. In contrast, mean settlement on the most hydrophobic polymer (PDMS) was 4.2 ± 3.2%. Microtopography had a much stronger effect compared to wettability, where 400 μm textured PDMS enhanced settlement above 90%. Settlement preferences were also positively correlated to adhesion strength at flow rates of 4 knots, with all initially settled pediveligers on smooth PDMS detaching, while 79.9 ± 5.7% of pediveligers remained on the 400 μm texture.

References

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Citations

Apr 30, 2013·Advances in Colloid and Interface Science·Luigi Petrone
Dec 18, 2013·Colloids and Surfaces. B, Biointerfaces·Shifeng GuoHeow Pueh Lee
Nov 25, 2014·Langmuir : the ACS Journal of Surfaces and Colloids·Joseph T DeckerAnthony B Brennan
Mar 10, 2015·Biotechnology Advances·Joana R Almeida, Vitor Vasconcelos
Oct 21, 2014·Biofouling·Jaimys ArnottRobert N Lamb
Sep 21, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Joseph T DeckerAnthony B Brennan
Sep 21, 2016·Scientific Reports·Aurélie JolivetLaurent Chauvaud
Sep 14, 2017·PloS One·Vanessa Ochi AgostiniFernando Erthal
Aug 19, 2017·Science·Shahrouz AminiAli Miserez
Sep 26, 2020·Environmental Science and Pollution Research International·Partha HalderMuhammed A Bhuiyan
Aug 13, 2021·Environmental Pollution·Lara M PinheiroGrasiela L L Pinho
Dec 25, 2021·Frontiers in Bioengineering and Biotechnology·Zhoukun HeFei Deng

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Methods Mentioned

BETA
electron-beam lithography

Software Mentioned

PRIMER
PERMANOVA
SPSS
FTÅ32

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