Antifouling properties of oligo(lactose)-based self-assembled monolayers

Nugraha, Roni (author): Linköpings universitet,Sensorvetenskap och Molekylfysik,Tekniska högskolan

Yandi, Wetra (author): Linköpings universitet,Molekylär fysik,Tekniska högskolan

Ederth, Thomas (author): Linköpings universitet,Molekylär fysik,Tekniska högskolan

(creator_code:org_t)

2015-01-28
2015
English.
In: Biofouling (Print). - : Taylor andamp; Francis: STM, Behavioural Science and Public Health Titles. - 0892-7014 .- 1029-2454. ; 31:1, s. 123-134

Related links:: https://liu.diva-por... (primary) (Raw object); show more...; http://liu.diva-port...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Abstract Subject headings

The antifouling (AF) properties of oligo(lactose)-based self-assembled monolayers (SAMs), using four different proteins, zoospores of the green alga Ulva linza and cells of the diatom Navicula incerta, were investigated. The SAM-forming alkylthiols, which contained 1, 2 or 3 lactose units, showed significant variation in AF properties, with no differences in wettability. Non-specific adsorption of albumin and pepsin was low on all surfaces. Adsorption of lysozyme and fibrinogen decreased with increasing number of lactose units in the SAM, in agreement with the generally observed phenomenon that thicker hydrated layers provide higher barriers to protein adsorption. Settlement of spores of U. linza followed an opposite trend, being greater on the bulkier, more hydrated SAMs. These SAMs are more ordered for the larger saccharide units, and it is therefore hypothesized that the degree of order, and differences in crystallinity or stiffness between the surfaces, is an important parameter regulating spore settlement on these surfaces.

By the author/editor: Nugraha, Roni; Finlay, John A.; Hill, Sophie; Fyrner, Timmy; Yandi, Wetra; Callow, Maureen ...; show more...; Callow, James A.; Ederth, Thomas; show less...

About the subject

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