Biomimicking Micropatterned Surfaces and Their Effect on Marine Biofouling
PBN-AR
Instytucja
Wydział Chemiczny (Politechnika Warszawska)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Langmuir
ISSN
0743-7463
EISSN
Wydawca
American Chemical Society
DOI
Rok publikacji
2014
Numer zeszytu
30
Strony od-do
9165-9175
Numer tomu
30
Identyfikator DOI
Liczba arkuszy
0.5
Autorzy
(liczba autorów: 9)
Pozostali autorzy
+ 8
Słowa kluczowe
en
biomimicry, micropatterns, antifouling, polymeric brushes, layer by layer
Streszczenia
Język
en
Treść
When synthetic materials are submerged in marine environments, dissolved matter and marine organisms attach to their surfaces by a process known as marine fouling. This phenomenon may lead to diminished material performance with detrimental consequences. Bioinspired surface patterning and chemical surface modifications present promising approaches to the design of novel functional surfaces that can prevent biofouling phenomena. In this study, we report the synergistic effects of surface patterns, inspired by the marine decapod crab Myomenippe hardwickii in combination with chemical surface modifications toward suppressing marine fouling. M. hardwickii is known to maintain a relatively clean carapace although the species occurs in biofouling communities of tropical shallow subtidal coastal waters. Following the surface analysis of selected specimens, we designed hierarchical surface microtopographies that replicate the critical features observed on the crustacean surface. The micropatterned surfaces were modified with zwitterionic polymer brushes or with layer-by-layer deposited polyelectrolyte multilayers to enhance their antifouling and/or fouling-release potential. Chemically modified and unmodified micropatterned surfaces were subjected to extensive fouling tests, including laboratory assays against barnacle settlement and algae adhesion, and field static immersion tests. The results show a statistically significant reduction in settlement on the micropatterned surfaces as well as a synergistic effect when the microtopographies are combined with grafted polymer chains.
Inne
System-identifier
WUT2debd4b5f5d54d8889290a1a6eba0009
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