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Effects of inter-organism interactions in biofouling on microtopographic surfaces.

Authors
  • Hoang, Trinh X1, 2
  • Mai, Ha T H3
  • Brennan, Anthony B4
  • Le, Ly5
  • 1 Institute of Physics, Vietnam Academy of Science and Technology , Ba Dinh , Ha Noi , Vietnam.
  • 2 Physics Department, Graduate University of Science and Technology, Vietnam Academy of Science and Technology , Cau Giay , Ha Noi , Vietnam.
  • 3 Institute for Environmental and Transport Studies, Ho Chi Minh City University of Transport , Ho Chi Minh City , Vietnam.
  • 4 Department of Materials Science and Engineering, University of Florida , Gainesville , FL , USA.
  • 5 School of Biotechnology, International University, Vietnam National University , Ho Chi Minh City , Vietnam.
Type
Published Article
Journal
Biofouling
Publisher
Informa UK (Taylor & Francis)
Publication Date
Aug 20, 2019
Pages
1–12
Identifiers
DOI: 10.1080/08927014.2019.1650918
PMID: 31429598
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

An extended model of the surface energetic attachment (SEA) model is introduced to study the fouling of marine organisms on microtopographic surfaces, taking into account the excluded volume interaction and the attraction between the organisms. It is shown that the excluded volume interaction leads to changes in the site-typed attachment probabilities which increase with the average spore density on the surface. As a result of these changes, the spore density map is flattened under very high density fouling. The attractive interaction on the other hand leads to aggregation of spores and the average aggregate size increased with the strength of attraction. The model can be mapped to a specific experiment to determine the attachment energy parameters. In contrast to various prior empirical approaches, the extended SEA model is rigorous from the statistical mechanics viewpoint, thus it provides a reliable tool for studying complex attachment behaviors of microorganisms on topographic surfaces.

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