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Showing 1–27 of 27 results
Advanced filters: Author: A. Lindsay Greer Clear advanced filters

  • In this study, the authors report that post-vaccination neutralizing and binding antibody levels in the ENSEMBLE trial associate with Ad26.COV2.S vaccine efficacy (VE) against severe-critical COVID-19, with substantial VE even at unquantifiable neutralizing antibody titer.

    • Lindsay N. Carpp
    • Ollivier Hyrien
    • Griet A. Van Roey
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-18

  • SARS-CoV-2 variants with mutations in spike have emerged during the pandemic. Magaret et al. show that in Latin America, efficacy of the Ad26.COV2.S vaccine against moderate to severe–critical COVID-19 varied by sequence features, antibody escape scores, and neutralization impacting features of the SARS-CoV-2 variant.

    • Craig A. Magaret
    • Li Li
    • Peter B. Gilbert
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-22

  • Metallic glasses are strong but can be brittle. The discovery of a metallic glass that also shows a high toughness against fracture is remarkable, and establishes metallic glasses, at least those based on noble metals, as materials with the highest known damage tolerance.

    • A. Lindsay Greer
    News & Views
    Nature Materials
    Volume: 10, P: 88-89

  • Droplets of a liquid alloy on a silicon surface can rearrange the surface atoms so that they mimic the short-range ordering of atoms in the alloy. Remarkably, this effect inhibits freezing of the droplets.

    • A. Lindsay Greer
    News & Views
    Nature
    Volume: 464, P: 1137-1138

  • The competition between the formation of different phases and their kinetics need to be clearly understood to make materials with on-demand and multifaceted properties. Here, the authors reveal, by a combination of complementary in situ techniques, the mechanism of a Cu-Zr-Al metallic glass’s high propensity for metastable phase formation, which is partially through a kinetic mechanism of Al partitioning.

    • Jiri Orava
    • Shanoob Balachandran
    • Ivan Kaban
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-13

  • Bioactive cements are widely used in dentistry and medicine. Here, using a variety of novel experimental techniques, the authors uncover the atomic and vibrational contributions to the mechanical toughness of bioactive cement during the setting process.

    • Kun V. Tian
    • Bin Yang
    • G. Neville Greaves
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-10

  • Globally it is recognised that Indigenous populations should be able to access the benefits of genomics and precision medicine. Here, authors show that there are disparities in access to clinical genetic health services for Aboriginal and/or Torres Strait Islander people in Australia.

    • Joanne Luke
    • Philippa Dalach
    • Margaret Kelaher
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-11

  • Co-drawing of metallic glass with polymers of similar viscosity–temperature behaviour enables highly uniform nanoscale cross-sectional features of various shapes in functional fibres without length limit.

    • A. Lindsay Greer
    News & Views
    Nature Nanotechnology
    Volume: 15, P: 1-2

  • The nature of the glass transition is a long-standing problem in condensed-matter science. New work shows that the motion of a small atomic species through a bulk metallic glass is due to two diffusion processes -- one that dominates below the transition and one that dominates above it.

    • A. Lindsay Greer
    News & Views
    Nature
    Volume: 402, P: 132-133

  • Chalcogenide materials form the basis of CD and DVD technologies. But an identity crisis looms in the wider field: what role do atomic reconfiguration, electronic processes and ionic movement play in these materials?

    • A. Lindsay Greer
    • Neil Mathur
    News & Views
    Nature
    Volume: 437, P: 1246-1247

  • Electron microscopy reveals ordered layering imposed on liquid aluminium at the interface with a solid. A better understanding of this effect will have important consequences for applications ranging from fluid flow to casting.

    • A. Lindsay Greer
    News & Views
    Nature Materials
    Volume: 5, P: 13-14

  • Melting is a familiar process not expected to show surprises: the melting of ice in a cocktail is expected to produce cooling not heating. Yet just such an effect — inverse melting — has been seen during a study of phase transitions in a polymeric system. As a result the crystalline phase appears to be more disordered than the glassy phase.

    • A. Lindsay Greer
    News & Views
    Nature
    Volume: 404, P: 134-135

  • It has long been thought impossible for pure metals to form stable glasses. Recent work supports earlier evidence of glass formation in pure metals, shows the potential for devices based on rapid glass–crystal phase change, and highlights the lack of an adequate theory for fast crystal growth.

    • A. Lindsay Greer
    Comments & Opinion
    Nature Materials
    Volume: 14, P: 542-546

  • Thermomechanical treatments — cold and hot deformation — are established for polycrystalline metals. Their use on metallic glasses to obtain relaxed and rejuvenated states has just begun to be explored, and holds promise for extending the range of available glassy states and gaining access to improved properties.

    • Yonghao Sun
    • Amadeu Concustell
    • A. Lindsay Greer
    Reviews
    Nature Reviews Materials
    Volume: 1, P: 1-14

  • Cryothermal cycling can induce rejuvenation as well as relaxation of metallic glasses. The surface apparent Young’s modulus and its spatial distribution width increase after the treatment, while in bulk effect depends on the glass composition. This increase is temporary and disappears after some time of room temperature aging. Effect is connected with a large distribution of relaxation times in metallic glasses due to their heterogeneous structure and the formation of complex native oxide on the glass surface. Cryothermal cycling can improve or degrade the plasticity of metallic glasses and the atomic bond structure determines the outcome of the treatment.

    • Sergey V. Ketov
    • Artem S. Trifonov
    • Alan Lindsay Greer
    ResearchOpen Access
    NPG Asia Materials
    Volume: 10, P: 137-145