Results 91 to 100 of about 1,016,959 (288)

Cognitive dysfunction and its association with inflammation in acute exacerbations of COPD: protocol for a prospective hospital-based cohort

open access: yesBMJ Open
Introduction Chronic obstructive pulmonary disease (COPD) is characterised by progressive airflow limitation that is not fully reversible and is associated with an abnormal inflammatory response of lungs to noxious particles and gases.
Christine F McDonald   +5 more
doaj   +1 more source

Dead in the Night: Sleep-Wake and Time-Of-Day Influences on Sudden Unexpected Death in Epilepsy

open access: yesFrontiers in Neurology, 2018
Sudden unexpected death in epilepsy (SUDEP) is the leading cause of epilepsy-related death in patients with refractory epilepsy. Convergent lines of evidence suggest that SUDEP occurs due to seizure induced perturbation of respiratory, cardiac, and ...
Benton S. Purnell   +8 more
doaj   +1 more source

Poisson ratio and excess low-frequency vibrational states in glasses [PDF]

open access: yes, 2013
In glass, starting from a dependence of the Angell's fragility on the Poisson ratio [V. N. Novikov and A. P. Sokolov, Nature 431, 961 (2004)], and a dependence of the Poisson ratio on the atomic packing density [G. N. Greaves et al., Nat. Mater. 10, 823 (
Deschamps, Thierry   +2 more
core   +3 more sources

Unravelling the Secret of Sulfur Confinement and High Sulfur Utilization in Hybrid Sulfur‐Carbons

open access: yesAdvanced Materials, EarlyView.
Thermal condensation of inverse vulcanized sulfur‐carbon hybrids enables a bottom‐up sulfur confinement strategy, in which a protective carbon phase is progressively constructed around sulfur species. The resulting carbon nanodomains covalently tether sulfur chains and stabilize radical intermediates. This integrated architecture effectively suppresses
Tim Horner   +9 more
wiley   +1 more source

Dynamics and stability of Bose-Einstein solitons in tilted optical lattices [PDF]

open access: yes, 2010
Bloch oscillations of Bose-Einstein condensates realize sensitive matter-wave interferometers. We investigate the dynamics and stability of bright-soliton wave packets in one-dimensional tilted optical lattices with a modulated mean-field interaction $g ...
C. A. Müller   +5 more
core   +3 more sources

Label‐Free SERS Fingerprinting of Neuroprotein Conformational Dynamics in Human Saliva

open access: yesAdvanced Materials, EarlyView.
Galvanic molecular entrapment (GME) is a label‐free method for detecting and quantifying neuroprotein conformational states. This technique enables direct surface binding and in situ hotspot generation around molecules, effectively overcoming challenges related to target localization and mismatched hotspot geometries.
Muhammad Shalahuddin Al Ja'farawy   +10 more
wiley   +1 more source

Engagement and outcomes of virtual antenatal asthma care: a randomised controlled tele-trial

open access: yesERJ Open Research
Background Access, availability and engagement of optimal asthma management are limited in maternity care. This study evaluated the engagement and outcomes of a virtual model of antenatal asthma care compared to a face-to-face model.
Dennis Thomas   +8 more
doaj   +1 more source

Self-Regulation of Breathing as a Primary Treatment for Anxiety [PDF]

open access: yes, 2015
Understanding the autonomic nervous system and homeostatic changes associated with emotions remains a major challenge for neuroscientists and a fundamental prerequisite to treat anxiety, stress, and emotional disorders.
Barnes, Vernon A.   +3 more
core   +1 more source

Soft Ionic and Electronic Triboelectric Nanogenerators: Toward Attachable and Implantable Biomedical Applications

open access: yesAdvanced Materials, EarlyView.
This review provides an overview of triboelectric nanogenerator (TENG)–based biomedical applications by classifying studies into electronic and ionic systems across attachable and implantable platforms. It summarizes key material choices, device structures, and working mechanisms that characterize current TENG‐based research, and outlines six future ...
Kyongtae Choi   +12 more
wiley   +1 more source

Gapped $Z_2$ spin liquid in the breathing kagome Heisenberg antiferromagnet

open access: yes, 2019
We investigate the spin-1/2 Heisenberg antiferromagnet on the kagome lattice with breathing anisotropy (i.e. with weak and strong triangular units), constructing an improved simplex Resonating Valence Bond (RVB) ansatz by successive applications (up to ...
Iqbal, Mohsin   +2 more
core   +3 more sources

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