1 June 2015 Creation of hydrophilic microfluidic devices for biomedical application through stereolithography
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We present a method to graft a layer of poly-ethylene-glycol (PEG) to the surface of stereo-lithography fabricated or 3D-printed microfluidic devices rendering it hydrophilic and repellent to the adhesion of proteins. The PEG forms a rigid bond with the surface that is more stable than many coatings or surface treatments. This makes stereolithography much more attractive as a prototyping platform for microfluidics. The method has been proven with two different resins by different manufacturers, showing the universality of said treatment.
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Lukas Brandhoff, Lukas Brandhoff, Sander van den Driesche, Sander van den Driesche, Frieder Lucklum, Frieder Lucklum, Michael J. Vellekoop, Michael J. Vellekoop, "Creation of hydrophilic microfluidic devices for biomedical application through stereolithography", Proc. SPIE 9518, Bio-MEMS and Medical Microdevices II, 95180D (1 June 2015); doi: 10.1117/12.2179562; https://doi.org/10.1117/12.2179562

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