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Showing 1–12 of 12 results
Advanced filters: Author: Bart Raes Clear advanced filters
  • Studying the spin lifetime anisotropy in graphene, which provides information on spin-orbit interaction and is relevant to spintronic applications, poses important experimental challenges. Here, the authors study the spin lifetime anisotropy using spin precession under oblique magnetic fields.

    • Bart Raes
    • Jeroen E. Scheerder
    • Sergio O. Valenzuela
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7
  • The spin accumulation in graphene can be enhanced by a thermal gradient as a result of a thermoelectric spin voltage owing to an effective spin-dependent Seebeck coefficient.

    • Juan F. Sierra
    • Ingmar Neumann
    • Sergio O. Valenzuela
    Research
    Nature Nanotechnology
    Volume: 13, P: 107-111
  • Nanoparticle-mediated photoporation is used to temporarily permeabilize cell membranes for intracellular delivery of macromolecules, but cell exposure to nanoparticles might cause cellular damage and hamper application of the technique to therapeutic cell engineering. Here the authors show that, under photothermal heating, nanofibre-embedded iron oxide nanoparticles can be used to deliver effector macromolecules to different types of cells, in a contactless manner, with no cellular toxicity or diminished therapeutic potency.

    • Ranhua Xiong
    • Dawei Hua
    • Kevin Braeckmans
    Research
    Nature Nanotechnology
    Volume: 16, P: 1281-1291
  • Tissue-resident macrophages are mostly derived from embryonic progenitors. Scott et al. develop a mouse model to specifically deplete Kupffer cells (KC) in vivoand show that monocyte-derived cells can repopulate KC niche and behave similar to their embryonically-derived counterparts.

    • Charlotte L. Scott
    • Fang Zheng
    • Martin Guilliams
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-10
  • High-frequency measurements at low temperatures typically require connecting external sources to the device using bulky, lossy, and expensive RF cables. To address this issue, the authors present on-chip Josephson junction arrays that generate GHz-range microwaves with a tuneable frequency controlled by a DC bias voltage. This offers a compact, efficient alternative for high-frequency applications.

    • Senne Vervoort
    • Lukas Nulens
    • Joris Van de Vondel
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-10
  • Quantum circuits are constructed from various superconducting components such as qubits and quantum logic gates and each come with their own challenges in terms of efficient operation. Here, the authors investigate the effects of magnetic field penetration on superconducting coplanar waveguide resonators and suggest ways to improve their magnetic resilience.

    • Lukas Nulens
    • Nicolas Lejeune
    • Joris Van de Vondel
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-8
  • Giant fractional Shapiro steps have been observed in Josephson junction arrays as resulting from magnetic flux quantization in the two-dimensional array. Here, the authors demonstrate the observation of giant fractional Shapiro steps in an anisotropic Josephson junction array, as unambiguous evidence of a skewed current phase relationship.

    • R. Panghotra
    • B. Raes
    • J. Van de Vondel
    ResearchOpen Access
    Communications Physics
    Volume: 3, P: 1-8
  • Consistent failure over the past few decades to reduce the high prevalence of stress-related disorders has motivated a search for alternative research strategies. Resilience refers to the phenomenon of many people maintaining mental health despite exposure to psychological or physical adversity. Instead of aiming to understand the pathophysiology of stress-related disorders, resilience research focuses on protective mechanisms that shield people against the development of such disorders and tries to exploit its insights to improve treatment and, in particular, disease prevention. To fully harness the potential of resilience research, a critical appraisal of the current state of the art — in terms of basic concepts and key methods — is needed. We highlight challenges to resilience research and make concrete conceptual and methodological proposals to improve resilience research. Most importantly, we propose to focus research on the dynamic processes of successful adaptation to stressors in prospective longitudinal studies.

    • Raffael Kalisch
    • Dewleen G. Baker
    • Birgit Kleim
    Reviews
    Nature Human Behaviour
    Volume: 1, P: 784-790