Microfluidic Chips: Active Digital Microfluidic Paper Chips with Inkjet-Printed Patterned Electrodes (Adv. Mater. 15/2014)

Authors

  • Hyojin Ko,

    1. Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul, Republic of Korea
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  • Jumi Lee,

    1. Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul, Republic of Korea
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  • Yongjun Kim,

    1. Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul, Republic of Korea
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  • Byeongno Lee,

    1. Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul, Republic of Korea
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  • Chan-Hee Jung,

    1. Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Republic of Korea
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  • Jae-Hak Choi,

    1. Department of Polymer Science and Engineering, Chungnam National University, Daejeon, Republic of Korea
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  • Oh-Sun Kwon,

    Corresponding author
    1. Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul, Republic of Korea
    • Oh-Sun Kwon, Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 121–742 Republic of Korea

      Kwanwoo Shin, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 580–185 Republic of Korea

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  • Kwanwoo Shin

    Corresponding author
    1. Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 121–742, Republic of Korea, School of Engineering and Applied Science, Harvard University, Cambridge, MA, USA
    • Oh-Sun Kwon, Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 121–742 Republic of Korea

      Kwanwoo Shin, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 580–185 Republic of Korea

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Abstract

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Active, paper-based, microfluidic chips driven by electrowetting are fabricated and demonstrated for reagent transport and mixing by K. Shin, O.-S. Kwon, and co-workers on page 2335. The key advantage in fabricating the paper-based microfluidic chips is that electrode patterns can be designed and printed on paper quickly, finely, and precisely without complicated wet-lab processes. The cover image showes that the inkjet-printed patterned electrodes can be employed to actuate liquid drops on paper, not only photo paper, but virtually any paper, such as recycled magazine paper.

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