Surface-grafted, environmentally sensitive polymers for biofilm release

Article Abstract:

A novel class of surface-grafted thermally responsive polymers has been synthesized for use as fouling release agents. The polymer, poly(N-isopropylacrylamide), exhibits a lower critical solubility temperature of -32 degrees Celsius. However, neither solvated nor desolvated poly(N-isopropylacrylamide) showed intrinsic fouling release properties, suggesting that the phase transition plays a significant role in the removal of microorganisms attached to grafted poly(N-isopropylacrylamide) surfaces during different periods of incubation. These results prove that environmentally sensitive polymers hold promise as agents for controlling biofouling release.

Environmental aspects, Polymers, Bacteria, Microbial contamination, Surface chemistry, Fouling organisms, Abherents, Release agents (Additives)

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Effect of substratum surface chemistry and surface energy on attachment of marine bacteria and algal spores

Article Abstract:

Two sequences of self assembled monolayers (SAMs) consisting of substituted alkanethiolates on gold were required to check step by step the impact of changing substratum surface chemistry and the surface energy on the connection of two illustrated organisms of significant importance to the marine biofouling. When the hydrophilic part of the SAMs was altered to carboxylate, the shape displayed of the ulva was totally different.

Science & research, Analysis, Microbiology, Marine bacteria, Spores (Botany), Spores, Alkanet

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Use of self-assembled monolayers of different wettabilities to study surface selection and primary adhesion processes of green algal (Enteromorpha) zoospores

Article Abstract:

Motile spores of the green alga Enteromorpha appear to prefer hydrophobic surfaces over hydrophilic surfaces. These algae are the most common algae that attach to boats, buoys, ships, and submarines.

Microorganisms, Microbial adhesion, Green algae

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