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In this manuscript we demonstrate the spatially controlled immobilization of ferritin proteins by directly writing them on a wide range of substrates of technological interest. Optical and fluorescence microscopy, AFM and TOF‐SIMS studies confirm the successful deposition of the protein on those surfaces. Control on nanostructure shape and size, by miniaturizing the dot‐like features down to a 100...
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 TEM 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...
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