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Quantifying the magnitude of stress among new graduate nurses working in intensive care units
Electrowetting display of multiscale Gamma based on dynamic histogram equilibrium
Associations of weight change patterns with hyperuricemia risk in U.S. adults
Equivalence assessment of weight bearing cone beam CT and multidetector CT through 3D Knee bone modelling
Abstract Weight-bearing cone beam computed tomography (WB-CBCT, or simply WBCT), which captures high-resolution 3D images in a natural standing position, has gained increasing interest in recent years. This study examines the potential of WBCT as an alternative to multidetector computed tomography (MDCT) for 3D bone modelling. We generated 3D knee joint models from manually annotated WBCT and MDCT scans, performed rigid registration of these models, and assessed their similarity by evaluating the mean difference, standard deviation, and confidence intervals of the aligned models. The mean differences were computed as the average surface distances between corresponding WBCT and MDCT 3D bone models after rigid registration, providing a quantitative measure of their geometric similarity. Validation was conducted using both patient and cadaver scans to assess WBCT’s clinical applicability under realistic conditions and its technical reliability with controlled samples. Our findings reveal an average absolute difference of less than 0.35 mm for patient scans and 0.30 mm for cadaveric scans between WBCT and MDCT. The patella demonstrated the smallest mean difference (-0.20 mm to 0.10 mm) and standard deviation (0.28 mm to 0.55 mm) across all scans. These results confirm the comparability of WBCT to MDCT for 3D bone modelling, highlighting WBCT’s capacity to deliver appropriate image quality for the clinical assessment of bone joints.
Genomic characterisation of nasal isolates of coagulase-negative Staphylococci from healthy medical students reveals novel Staphylococcal cassette chromosome mec elements
Discovery and genomic characterization of Ulleung virus harbored by Crocidura utsuryoensis on Ulleung Island in Republic of Korea
Lavender Exosome-Like nanoparticles attenuate UVB-Induced Photoaging via miR166-Mediated inflammation and collagen regulation
How much energy is wasted from making a cup of tea?
Peeling tape produces strong electric fields via stick–slip friction that drive chemical reactions
Adhesive interfaces store significant energy due to interlocking molecular chain entanglement and van der Waals forces. When two adhesive surfaces are separated, triboelectric effects induce charge transfer, generating a strong electric field at the peeling interface. This effect offers different opportunities for initiating chemical reactions. Here, we report that the stick–slip friction involved in peeling tape produces electric fields on the order of 10 9 V/m, as measured by the vibrational Stark shift observed by confocal Raman spectroscopy during tape peeling. This field is sufficiently strong to ionize water and produce the H 4 O 2 + cation, a hydroxyl radical adduct with a hydronium ion. We further demonstrate that this electric field can drive a variety of electron transfer reactions. Our findings suggest that tribocharging presents a promising, energy-efficient avenue for electric-field-driven green chemistry.