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Reliability of running gait variability measures calculated from inertial measurement units.
J Biomech
January 2025
Sport and Physical Activity Research Centre, Sheffield Hallam University, Olympic Legacy Park, 2 Old Hall Rd, Sheffield S9 3TY, United Kingdom. Electronic address:
Changes to the variability within biomechanical signals may reflect a change in the health of the human system. However, for running gait variability measures calculated from wearable device data, it is unknown whether a between-day difference reflects a shift in system dynamics reflective of a change in human health or is a result of poor between-day reliability of the measurement device or the biomechanical signal. This study investigated the reliability of stride time and sacral acceleration variability measures calculated from inertial measurement units (IMUs).
View Article and Find Full Text PDFExplicit travelling wave solutions to the time fractional Phi-four equation and their applications in mathematical physics.
Sci Rep
January 2025
Department of Mathematics and Statistics, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia.
In applied research, fractional calculus plays an important role for comprehending a wide range of intricate physical phenomena. One of the Klein-Gordon model's peculiar case yields the Phi-four equation. Additionally, throughout the past few decades it has been utilized to explain the kink and anti-kink solitary waveform contacts that occur in biological systems and in the field of nuclear mechanics.
View Article and Find Full Text PDFSequential addition of cations increases photoluminescence quantum yield of metal nanoclusters near unity.
Nat Commun
January 2025
State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, P. R. China.
Photoluminescence is one of the most intriguing properties of metal nanoclusters derived from their molecular-like electronic structure, however, achieving high photoluminescence quantum yield (PLQY) of metal core-dictated fluorescence remains a formidable challenge. Here, we report efficient suppression of the total structural vibrations and rotations, and management of the pathways and rates of the electron transfer dynamics to boost a near-unity absolute PLQY, by decorating progressive addition of cations. Specifically, with the sequential addition of Zn, Ag, and Tb into the 3-mercaptopropionic acids capped Au nanoclusters (NCs), the low-frequency vibration of the metal core progressively decreases from 144.
View Article and Find Full Text PDFFostering the Physical-Literacy Development of Individuals Experiencing Disability Through the Use of PLayTubs: A Pilot Study.
Adapt Phys Activ Q
January 2025
Memorial University of Newfoundland, St. John's, NL, Canada.
Physical literacy (PL) is increasingly being implemented as a means for holistic development for children and youth. Despite this, children experiencing disabilities and their families continue to face barriers that impede participation in physical activities and subsequent PL development. To empower families to actively engage in their PL development, this study sought to provide an accessible, home- and play-based, parent-facilitated intervention, namely, PLayTubs.
View Article and Find Full Text PDFParametric finite element modeling of reinforced polymeric leaflets for improved durability.
J Mech Behav Biomed Mater
January 2025
School of Materials Science and Engineering, Colorado State University, 700 Meridian Ave, Fort Collins, 80523, CO, USA. Electronic address:
Hyaluronic acid-enhanced polyethylene polymeric TAVR shows excellent in vivo anti-calcific, anti-thrombotic, and in vitro hydrodynamic performance. However, during durability testing, impact wear and fatigue cause early valve failure. Heart valve durability can be improved by strengthening the leaflet with fiber reinforcement.
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