Hello,
I can´t give you the answer that will make you happy! But I tell you which problems I heard about BSA in washing buffer for ELISA. We had false positiv results, because the bovine serum albumin was contaminated with bovine tuberculosis bacteria and there were a cross-reaction with M. tuberculosis. This ELISA didn´t ever work!. Because we had only positiv results. But we lost a lot of time to find out what´s going wrong. Anyway M. tuberculosis ist Maybe the methods now are better to test the BSA of Antibodies. In our drinking water are also MOTT, that is the cause for better dont´t use drinking water for Ziehl-Neelsen-staining. This will also be in marine water! think you should test every Charge(LOT) of BSA for your application to make sure that it works. But I´m not sure that I understood the question already. And hope that I could help you
And for the polymer surface: you shoul talk with the Producer of the polymer, about the suitable polylmer for your application. This is a science for it`s own!
Nice greetings from austria
Heidelinde Schranz
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