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Showing 1–11 of 11 results
Advanced filters: Author: Lucio Isa Clear advanced filters

  • Being able to determine the wetting properties of individual nanoparticles would aid the preparation of particles with controlled surface properties. Isaet al. develop an in situ freeze-fracture shadow-casting method and use this to determine structural and thermodynamic properties of various 10 nm particles at fluid interfaces.

    • Lucio Isa
    • Falk Lucas
    • Erik Reimhult
    ResearchOpen Access
    Nature Communications
    Volume: 2, P: 1-9

  • The self-assembly of anisotropic nanoparticles into large-area superlattices remains challenging. Here the authors exploit surface chemistry to tune the wettability of silver nano-octahedra, and direct a continuous superlattice structural evolution, from close-packed to progressively open structures.

    • Yih Hong Lee
    • Wenxiong Shi
    • Xing Yi Ling
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Understanding shear thickening in colloidal suspensions is of great practical importance. Hsu et al. create responsive polymer-coated silica particles whose rheology can be tuned in situ, following modifications of their tribology, which is separately characterized at the single-colloid level.

    • Chiao-Peng Hsu
    • Joydeb Mandal
    • Lucio Isa
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Emulsions are dispersions of two liquids which have industrial applications and can be stabilized by solid particles. Here Zaniniet al. investigate the effect of particle roughness and demonstrate that particles with a particular surface roughness can effectively stabilize different types of emulsions.

    • Michele Zanini
    • Claudia Marschelke
    • Lucio Isa
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-9

  • Changing the propulsion of simple artificial colloidal microswimmers usually proceeds by globally tuning the strength of the driving mechanism. Alvarez et al. implement an independent reconfiguration scheme, bringing small active particles one step closer to adaptive, autonomous behaviour.

    • L. Alvarez
    • M. A. Fernandez-Rodriguez
    • Lucio Isa
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-9

  • A hexagonal self-assembled monolayer of soft microparticles acts as the template for a second layer of the same particles, forcing the formation of patterns with unexpected structural symmetries and complexities.

    • Fabio Grillo
    • Miguel Angel Fernandez-Rodriguez
    • Lucio Isa
    Research
    Nature
    Volume: 582, P: 219-224

  • Active colloidal systems can serve as an enabling platform to study complex out-of-equilibrium physical phenomena. Using a magnetic control with a feedback loop, here the authors program the dynamics of active Brownian particles by updating their rotational diffusion coefficient depending on their locations.

    • Miguel Angel Fernandez-Rodriguez
    • Fabio Grillo
    • Lucio Isa
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-10

  • The slightest deformation in the colloidal gels made by smooth particles causes them to transition from a solid to a liquid state. The authors develop a surface grafting technique using click-like chemistry to functionalize particles and show that the rough particle gel is much tougher.

    • Florence J. Müller
    • Lucio Isa
    • Jan Vermant
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • Liquid crystallinity at interfaces is less understood than in bulk. Jordens et al. investigate the interfacial isotropic–nematic phase transition of semiflexible fibrils and identify how, depending upon its bulk properties, two-dimensional ordering may be a non-equilibrium process.

    • Sophia Jordens
    • Lucio Isa
    • Raffaele Mezzenga
    Research
    Nature Communications
    Volume: 4, P: 1-8

  • Enhanced second-harmonic generation is achieved through random quasi-phase-matching in three-dimensional Mie resonant disordered microspheres realized by the bottom-up assembly of barium titanate nanocrystals.

    • Romolo Savo
    • Andrea Morandi
    • Rachel Grange
    Research
    Nature Photonics
    Volume: 14, P: 740-747