Nanoparticles

Nanoparticles are particles that exist on a nanometre scale (i.e., below 100 nm in at least one dimension). They can possess physical properties such as uniformity, conductance or special optical properties that make them desirable in materials science and biology.

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News and Comment

  • News and Views |

    Overcoming the challenges of plastic detection in plants has made it possible to transfer many of the lessons learned from plant–metal nanoparticle interactions to plastic nanoparticles.

    • Fabienne Schwab
    • , Barbara Rothen-Rutishauser
    •  & Alke Petri-Fink
    Nature Nanotechnology 15, 729-730
  • News and Views |

    The photovoltaics market has long been dominated by silicon, but further improvements of these solar cells require novel approaches. Now, triplet–triplet annihilation photon upconversion has been used to harvest photons from below the bandgap of silicon, extending the spectral response and potentially improving the efficiency of these cells.

    • Bo Albinsson
    •  & Axel Olesund
    Nature Photonics 14, 528-530
  • Comments and Opinion |

    Nano-formulating dexamethasone, and administering it via intravenous injection or inhalation, may help to improve anti-COVID-19 treatment efficacy by targeting the potent corticosteroid drug to hyper-activated immune cells, by potentiating its anti-oedema activity and by exploiting its anti-fibrotic effects.

    • Twan Lammers
    • , Alexandros Marios Sofias
    • , Roy van der Meel
    • , Raymond Schiffelers
    • , Gert Storm
    • , Frank Tacke
    • , Steffen Koschmieder
    • , Tim H. Brümmendorf
    • , Fabian Kiessling
    •  & Josbert M. Metselaar
    Nature Nanotechnology 15, 622-624