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Volume 15 Issue 12, December 2020

Nanoscale copper for crop nutrition and protection

Nanoparticles have the potential to improve the efficiency of agrochemicals while minimizing their environmental impact. Chuanxin Ma and colleagues have now demonstrated that foliar delivery of nanoscale copper to young seedlings stimulates innate plant defenses in the roots, yielding resistance to sudden soybean death syndrome and enhanced crop growth under pathogen stress. The degree of enhanced immunity was controlled by material properties and was computationally predictable, demonstrating the significance of material tunability as a powerful tool for nano-enabled agriculture and for combatting food insecurity. The cover image is an artist’s impression of the interaction between nanoparticles and plants.

See Ma et al.

Image: Ella Marushenko and Kate Zvorykina (Ella Maru Studio). Cover Design: Bethany Vukomanovic.

Editorial

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Correspondence

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News & Views

  • A new memory device in which the electric dipole, rather than the magnetic dipole, stores information at the single-molecule level is demonstrated.

    • Sadafumi Nishihara
    News & Views
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Review Articles

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Letters

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Articles

  • Function implementation and optimization in nanoscale and quantum-electronic devices become increasingly challenging with the growing complexity of the devices. Training a deep neural network with the physical device response and searching for the functionality in the digital device can ease this challenge.

    • Hans-Christian Ruiz Euler
    • Marcus N. Boon
    • Wilfred G. van der Wiel
    Article
  • Epitaxial quantum dot charge spin qubits offer efficient quantum light links, but their coherence is limited by interactions with the nanoscale ensemble of atomic nuclear spins. Employing nuclear spins instead as its hardware, strain-free GaAs/AlGaAs quantum dots can constitute a fully functional two-qubit quantum register.

    • Evgeny A. Chekhovich
    • Saimon F. Covre da Silva
    • Armando Rastelli
    Article
  • Holography of incoherent emission from SERS probes allows multiplexed single-particle localization in three dimensions in one shot using a wide-field microscope.

    • Matz Liebel
    • Nicolas Pazos-Perez
    • Ramon A. Alvarez-Puebla
    Article
  • Surface emission from a topological mid-gap cavity shows large free spectral range and arbitrary mode degeneracy.

    • Xiaomei Gao
    • Lechen Yang
    • Ling Lu
    Article
  • A Gd@C82 molecule shows electric polarization switching behaviour under a gate bias voltage, thus demonstrating a single-molecule electret device.

    • Kangkang Zhang
    • Cong Wang
    • Baigeng Wang
    Article
  • A shape-changing pH-responsive cancer vaccine delivers antigenic peptides directly to the cytoplasm and boosts the cellular immune response upon activation of the inflammasome pathway, efficiently inhibiting tumour growth and extending survival in animal tumour models.

    • Ningqiang Gong
    • Yuxuan Zhang
    • Xing-Jie Liang
    Article
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