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      Microstamping of freestanding bipolymer features

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      Applied Physics Letters
      AIP Publishing

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          Polymer microstructures formed by moulding in capillaries

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            Fabrication of three-dimensional micro-structures: Microtransfer molding

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              Fabricating large arrays of microwells with arbitrary dimensions and filling them using discontinuous dewetting.

              This paper describes the fabrication of large (up to 45 cm(2)) arrays of microwells, with volumes as small as ∼3 fL/well and densities as high as 10(7) wells/cm(2). These arrays of microwells are formed by casting an elastomer, poly(dimethylsiloxane) (PDMS), against "masters" prepared by photolithography; arrays of microwells in other polymers can be formed by using a master consisting of posts in PDMS. A straightforward technique, discontinuous dewetting, allows wells to be filled rapidly (typically on the order of 10(4) wells/s) and uniformly with a wide range of liquids. Several rudimentary strategies for addressing microwells are investigated, including electroosmotic pumping and gaseous diffusion.
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                Author and article information

                Journal
                Applied Physics Letters
                Appl. Phys. Lett.
                AIP Publishing
                0003-6951
                1077-3118
                June 04 2001
                June 04 2001
                : 78
                : 23
                : 3741-3743
                Article
                10.1063/1.1371784
                70ec4c4c-9d49-4267-a0b7-1336a289f31a
                © 2001
                History

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