I am working with proteinaceous secretion of some animals. I get them in very small quantity, around 100ul max. I want to purify the sample into different fractions and would like to perform some bioassays on the purified fractions. I need some help regarding this. Any help or suggestion is welcome.

One more information - I have a waters analytical system with two gradient pumps 515 and Uv/ Vis detector and RID detector. Injector is 10 ul. Can I purify the different fraction using this for bioassays?

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