Controlling the number of proteins with dip-pen nanolithography

Elena Bellido, Rocío De Miguel, Daniel Ruiz-Molina, Anabel Lostao, Daniel Maspoch

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    41 Citations (Scopus)


    (figure presented)Desired numbers of proteins can be positioned on surfaces by using dip-pen nanolithography (DPN). Ferritin nanoarrays are fabricated by direct-writing nanodroplets of a ferritin solution on transmission electron microscopy surfaces. After the contact-angle value of these droplets Is determined, the concentration of the inking protein solution and the diameter of the dot-like feature can be modulated to position a single ferritin particle on a surface (see figure). © 2010 WILEY-VCH Verlag GmbH & Co. KCaA.
    Original languageEnglish
    Pages (from-to)352-355
    JournalAdvanced Materials
    Issue number3
    Publication statusPublished - 19 Jan 2010


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