18 May 2019 2 5K Report

I am testing antibacterial properties of a peptide of which the mass is as low as tens of microgram. If I want to set a wide range of concentration, I have to dissolve the peptide powder in a small volume to get the stem solutions. The volume is to small to be sterilized using filtrated. And the solution can not be sterilized by autoclaving. How can I sterilize the peptide solution?

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