I am trying to functionalize glass surface with amine groups to immobilize
proteins. I also need to incubate this surface with a strong acid
(Trifluoroacetic acid) for upto 20 minutes.
I have tried types and deposition of amino-silanes like aminopropylethoxy
silanes, dipodal silanes etc, but fear the layer is not stable to the acid.
Does anyone know about alternative methods/chemicals for amine
functionalization?
Any thoughts or comments is greatly appreciated

Thanks
Jagannath
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