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Fabricating PFPE Membranes for Capillary Electrophoresis

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Precisely sized and positioned holes are defined by photomasks.

A process has been developed for fabricating perfluoropolyether (PFPE) membranes that contain microscopic holes of precise sizes at precise locations. The membranes are to be incorporated into “laboratory-on-a-chip” microfluidic devices to be used in performing capillary electrophoresis.

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