What is it about?
Dopamine is implicated in extreme stickiness both in the presence of water as well as without. The primary functional group of dopamine is catechol. We elucidate mechanisms on how catechol adheres to alumina and aluminum surfaces under aqueous conditions.
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Why is it important?
Barnacles and other organisms show extreme adhesion properties under aqueous conditions that have yet to be paralleled by artificial materials. Versatile and strong adhesive materials under various conditions play a role in for instance airplane construction.
Perspectives
Catechol adhesion clearly relies on its hydrogen-bonding ability as well as the benzene's lipophilicity. By binding to hydrogen acceptor and donor sites on the substrate, but at the same time repelling water, catechol strikes the right balance between hydrophilicity and lipophilicity.
Dr Berend C Rinderspacher
US ARL
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This page is a summary of: Molecular Dynamics Simulations of Adsorption of Catechol and Related Phenolic Compounds to Alumina Surfaces, The Journal of Physical Chemistry C, April 2015, American Chemical Society (ACS),
DOI: 10.1021/jp512780s.
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