... adsorption of product Applications ApplicationColorPore Size(µm) Microdialysis of DNA and proteinsWhite0.1Sterilizing filtration, bioassaysWhite0.22Sterilizing filtration, air monitoring, ... , particle removal, bioassaysWhite0.3Clarification of aqueous solutions, particle removal and analysis, microbiology analysisWhite0.45Fluorescent bacteriological assays, particle monitoring, bioassaysBlack0. ...