Equations for the calculation of the dimensions of a gauge volume, also known as the active volume or diffraction lozenge, in an energy-dispersive diffraction experiment where the detector is collimated by two ideal slits have been developed. Equations are given for equatorially divergent and parallel incident X-ray beams, assuming negligible axial divergence.
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http://dx.doi.org/10.1107/S0909049511033267 | DOI Listing |
Sci Rep
January 2025
Refined Imaging LLC, Baton Rouge, LA, 70810, USA.
This study describes procedures for embedding digital information into additively manufactured components as well as procedures for readout and tensile testing. Embedded digital codes were printed inside ASTM E8/E8M dumbbells using Direct Metal Laser Melting (DMLS) with an EOS M290 printer. The codes were configured as either ellipsoids or prolate spheroids in patterns given by the Cantor dust fractal.
View Article and Find Full Text PDFBiosensors (Basel)
January 2025
Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, MN 55455, USA.
In recent years, the field of wearable sensors has undergone significant evolution, emerging as a pivotal topic of research due to the capacity of such sensors to gather physiological data during various human activities. Transitioning from basic fitness trackers, these sensors are continuously being improved, with the ultimate objective to make compact, sophisticated, highly integrated, and adaptable multi-functional devices that seamlessly connect to clothing or the body, and continuously monitor bodily signals without impeding the wearer's comfort or well-being. Potentiometric sensors, leveraging a range of different solid contact materials, have emerged as a preferred choice for wearable chemical or biological sensors.
View Article and Find Full Text PDFLasers Med Sci
January 2025
Faculty of Dentistry, Ain Shams University, Organization of African Unity Street, Cairo, Egypt, 11766.
As photobiomodulation is growing in the dental field the aim of this prospective, two-arm clinical trial was to assess the radiographic changes for chronic periapical bone lesions related to mandibular molars after primary root canal therapy with or without applying Diode laser on soft tissue. The samples were randomly divided into a Laser group and a mock laser (ML) group. Preoperative CBCT images were compared 12 months later with postoperative CBCT to gauge the changes in the volume of the bony lesion by two observers.
View Article and Find Full Text PDFJ Neurosci
January 2025
Children's Hospital Los Angeles, Los Angeles, California, 90027, United States of America.
While the brain continues to develop during adolescence, such development may depend on sex-at-birth. However, the elucidation of such differences may be hindered by analytical decisions (e.g.
View Article and Find Full Text PDFBMC Public Health
January 2025
Department of Neurology, Fujian Medical University Union Hospital, NO.29, Xinquan Road, Fuzhou City, Fujian Province, 350001, China.
Background: The impacts of early-life tobacco smoke exposure, including exposure during pregnancy and the initiation of smoking during childhood and adolescence, on cognitive decline and the risk of dementia in later life have not been investigated.
Methods: We used data from the UK Biobank (UKB) to assess early-life tobacco exposure, including in utero exposure and the age at which smoking was initiated. Cox proportional-hazards regression models were employed to gauge the relationships between early-life tobacco smoke exposure and both the risk of cognitive decline and dementia in adulthood.
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