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Open AccessArticle

Effect of CNT/PDMS Nanocomposites on the Dynamics of Pioneer Bacterial Communities in the Natural Biofilms of Seawater

by Yubin Ji 1,†, Yuan Sun 1,†, Yanhe Lang 2, Lei Wang 3,*, Bing Liu 1 and Zhizhou Zhang 3,4,*
1
School of Science, Harbin University of Commerce, Harbin 150076, China
2
Key Laboratory of Saline-alkali Vegetation Ecology Restoration in Oil Field (SAVER), Ministry of Education, Alkali Soil Natural Environmental Science Center (ASNESC), Northeast Forestry University, Harbin 150040, China
3
School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
4
School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Materials 2018, 11(6), 902; https://doi.org/10.3390/ma11060902
Received: 10 May 2018 / Revised: 18 May 2018 / Accepted: 20 May 2018 / Published: 28 May 2018
(This article belongs to the Special Issue Polymeric Materials: Surfaces, Interfaces and Bioapplications)
In this study, the antifouling (AF) performance of different carbon nanotubes (CNTs)-modified polydimethylsiloxane (PDMS) nanocomposites (PCs) was examined directly in the natural seawater, and further analyzed using the Multidimensional Scale Analyses (MDS) method. The early-adherent bacterial communities in the natural biofilms adhering to different PC surfaces were investigated using the single-stranded conformation polymorphism (SSCP) technique. The PCs demonstrated differences and reinforced AF properties in the field, and they were prone to clustering according to the discrepancies within different CNT fillers. Furthermore, most PC surfaces only demonstrated weak modulating effects on the biological colonization and successional process of the early bacterial communities in natural biofilms, indicating that the presence of the early colonized prokaryotic microbes would be one of the primary causes of colonization and deterioration of the PCs. C6 coating seems to be promising for marine AF applications, since it has a strong perturbation effect on pioneer prokaryotic colonization. View Full-Text
Keywords: antifouling coatings; biofouling; natural biofilms; single-stranded conformation polymorphism; polydimethylsiloxane; multidimensional scale analysis antifouling coatings; biofouling; natural biofilms; single-stranded conformation polymorphism; polydimethylsiloxane; multidimensional scale analysis
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MDPI and ACS Style

Ji, Y.; Sun, Y.; Lang, Y.; Wang, L.; Liu, B.; Zhang, Z. Effect of CNT/PDMS Nanocomposites on the Dynamics of Pioneer Bacterial Communities in the Natural Biofilms of Seawater. Materials 2018, 11, 902.

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