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Showing 1–4 of 4 results
Advanced filters: Author: Paolo Persichetti Clear advanced filters
  • Parkinson disease (PD) begins with a long preclinical phase, which represents both a diagnostic challenge and a potential therapeutic opportunity for early intervention. Parnetti and colleagues discuss growing evidence to support the utility of cerebrospinal fluid levels of various proteins, such as α-synuclein, amyloid-β and tau, as accessible biomarkers for PD diagnosis. The authors emphasise the importance of measuring multiple biomarkers in combination to improve diagnostic accuracy.

    • Lucilla Parnetti
    • Anna Castrioto
    • Paolo Calabresi
    Reviews
    Nature Reviews Neurology
    Volume: 9, P: 131-140
  • A stochastic background of gravitational waves is expected to arise from a superposition of a large number of unresolved gravitational-wave sources and should carry unique signatures from the earliest epochs of the Universe. Limits on the amplitude of the stochastic gravitational-wave background are now reported using the data from a two-year science run of the Laser Interferometer Gravitational-wave Observatory. These limits rule out certain models of early Universe evolution.

    • B. P. Abbott
    • R. Abbott
    • J. Zweizig
    Research
    Nature
    Volume: 460, P: 990-994