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Blood-Based Biomarkers for Identifying Disease Activity in AQP4-IgG-Positive Neuromyelitis Optica Spectrum Disorder.
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December 2024
Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang, Korea.
Importance: The temporal dynamics of serum glial fibrillary acidic protein (sGFAP) and serum neurofilament light chain (sNfL) as biomarkers of disease activity for neuromyelitis optica spectrum disorder (NMOSD) remain underexplored.
Objective: To determine optimal timing for assessing sGFAP and sNfL, establish cutoff values differentiating between attacks and remissions in NMOSD, and evaluate these findings across independent cohorts.
Design, Setting, And Participants: This retrospective, longitudinal, multicenter cohort study was conducted among patients with aquaporin-4 antibody (AQP4-IgG)-positive NMOSD.
Coexistence of room temperature magneto-chiral dichroism and magneto-electric coupling in a chiral nanomagnet.
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December 2024
Laboratoire National des Champs Magnétiques Intenses (LNCMI), Univ. Grenoble Alpes, INSA Toulouse, Univ. Toulouse Paul Sabatier, EMFL, CNRS, Grenoble, France.
We report herein on the magneto-chiral dichroism (MChD), investigated through near infrared light absorption, of a chiral nanomagnet showing room temperature magneto-electric coupling. The MChD signal associated with the Yb center is driven by the magnetic dipole allowed character of the F ← F electronic transition (|Δ| = 1). Magnetic field and temperature dependence studies reveal an MChD signal that follows the material magnetization and persists at room temperature.
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December 2024
School of Biological Sciences, University of Hong Kong, Pokfulam, Hong Kong.
Background And Aims: Tropical forests exchange more carbon dioxide (CO2) with the atmosphere than any other terrestrial biome. Yet, uncertainty in the projected carbon balance over the next century is roughly three-times greater for the tropics than other ecosystems. Our limited knowledge of tropical plant physiological responses, including photosynthetic, to climate change is a substantial source of uncertainty in our ability to forecast the global terrestrial carbon sink.
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View Article and Find Full Text PDFPerioperative Stroke Following Implantation of Left Ventricular Assist Device: A Retrospective Cohort Study.
J Cardiothorac Vasc Anesth
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Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC, Canada; Department of Anesthesiology, Providence Health Care, Vancouver, BC, Canada.
Objectives: Stroke is common following left ventricular assist device (LVAD) implantation, although comprehensive data on perioperative strokes in this uncommon population is lacking. The current study aim was to characterize the presentation, features, and outcomes of perioperative cerebrovascular ischemia post-LVAD implantation at the authors' institution.
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