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Capillary ElectrophoresisNanofilm capillary coatings are Sepax patented surface coating technologies that have been developed to coat the capillary tubes with uniform polymer thin films. The polymer film thickness can be well controlled in the range from a few nanometers to a few hundreds of nanometers. The standard Nanofilm coated capillaries have inner diameter (ID) selections of 75, 50 and 25 µm. Our innovative coating process can be readily applied to capillary tubes with even thinner inner diameter down to 10 µm for special applications. Nanofilm coatings include polyacrylamide (PAAm), polyethylene glycol (PEG), PAAm-PEG copolymer, ionic polymers and customer-specific coatings. Elimination of non-specific interactions with biological molecules enables Nanofilm coated capillaries ideal for DNA separation and sequencing, protein separation, protein-protein interaction studies.
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