Gels and hydrogels articles within Nature Physics

Featured

  • Article |

    As amorphous solids, glasses and gels are similar, but the origins of their different elastic properties are unclear. Simulations now suggest differing free-energy-minimizing pathways: structural ordering for glasses and interface reduction for gels.

    • Yinqiao Wang
    • , Michio Tateno
    •  & Hajime Tanaka

  • News & Views |

    Amorphous gel structures are present in our everyday lives in the form of food, cosmetics, and biological systems. Experiments now show that their formation cannot be explained within the framework of equilibrium physics.

    • Michael Schmiedeberg

  • Article |

    Dynamic arrest in amorphous gels has so far been ascribed to glass transition. Now, experiments reveal a hierarchical structural ordering in dilute colloidal gels driven by the local potential energy, making this type of gel distinct from amorphous glasses.

    • Hideyo Tsurusawa
    •  & Hajime Tanaka

  • Article |

    Colloidal gels consist of particles embedded in a fluid. It is now found that a gel’s viscoelastic spectrum, relating mechanical properties and deformation frequencies, can be understood by modelling these gels as networks of fractal viscoelastic units, connected hierarchically.

    • Minaspi Bantawa
    • , Bavand Keshavarz
    •  & Emanuela Del Gado

  • Letter |

    A study of growing apples shows that the singular cusp at the stalk has a universal form that arises due to the differential growth of a soft solid. Although the cusps are usually symmetric, they can lose stability to form lobes that depend on the geometry of the fruit.

    • Aditi Chakrabarti
    • , Thomas C. T. Michaels
    •  & L. Mahadevan

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