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Showing 1–9 of 9 results
Advanced filters: Author: Frieder Mugele Clear advanced filters

  • The movement of small droplets on a substrate is governed by surface-tension forces. A technique that can tune the surface tension of robust oxide substrates for droplet manipulation could open up many applications.

    • Frieder Mugele
    News & Views
    Nature
    Volume: 572, P: 445-446

  • The contact angle of water drops on substrates for which the wettability is dominated by van der Waals forces remains unchanged when the substrates are coated with a monolayer of graphene. Such 'wetting transparency' could lead to superior conducting and hydrophobic graphene-coated surfaces with tunable electronic properties.

    • Frieder Mugele
    News & Views
    Nature Materials
    Volume: 11, P: 182-183

  • ... that is the dilemma addressed in a study of oppositely charged liquid drops controlled by an electric field. Contrary to conventional wisdom, beyond a critical charge, the drops fail to merge.

    • Frieder Mugele
    News & Views
    Nature
    Volume: 461, P: 356

  • The actuation of droplets is necessary for several applications, including the quantitative bioanalysis of viruses. Here, authors show a programmable magnetic actuation method to manipulate droplets of various kinds by making use of the spontaneously formed ferrofluid wetting ridges around each droplet.

    • Jianqiang Zhang
    • Xuejiao Wang
    • Xi Yao
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Precise control of moving droplets on surface defects is essential for microfluidic applications. Here the authors formalize a generic rule to describe droplet trapping using two dimensionless parameters and show how electrically tunable defects guide sliding drops in microfluidic channels.

    • Dieter 't Mannetje
    • Somnath Ghosh
    • Frieder Mugele
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-7

  • Falling droplets bounce back well from superhydrophobic surfaces. Now it is shown that when a thin air film is made to persist between drop and surface, efficient bouncing is possible for wettable surfaces too, and for drops with low surface tension.

    • Jolet de Ruiter
    • Rudy Lagraauw
    • Frieder Mugele
    Research
    Nature Physics
    Volume: 11, P: 48-53