Avidin binding to gold

[Andi]

Hi all,

I have a question regarding the binding of avidin to gold, but since I am (mainly) a physicist by training I hope my question has ended up in the right forum... What I would like to know is the nature of the binding. How do the two interact? I have tried to search journals, but the closest I've come is one old article stating what kind of binding it probably is NOT (Ebersole, J.Am.Chem.Soc. 112, 1990). Most people throw in some version of biotin between the surface and the avidin...

If anyone could shed any light on this matter I would be more the grateful. All tips about articles/databases where there might be information are appreciated.

Thanks in advance!