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Silicon Drift Detectors for the Measurement and Reconstruction of Beta Spectra.
Sensors (Basel)
December 2024
Dipartimento di Fisica G. Occhialini, Università Degli Studi di Milano-Bicocca, 20126 Milano, Italy.
The ASPECT-BET project, or An sdd-SPECTrometer for BETa decay studies, aims to develop a novel technique for the precise measurement of forbidden beta spectra in the 10 keV-1 MeV range. This technique employs a Silicon Drift Detector (SDD) as the main spectrometer with the option of a veto system to reject events exhibiting only partial energy deposition in the SDD. A precise understanding of the spectrometer's response to electrons is crucial for accurately reconstructing the theoretical shape of the beta spectrum.
View Article and Find Full Text PDFAnalyzing and Modeling the Dynamic Electrical Characteristics of Nanocomposite Large-Range Strain Gauges.
Sensors (Basel)
December 2024
Department of Mechanical Engineering, Brigham Young University, Provo, UT 84602, USA.
Flexible high-deflection strain gauges have been demonstrated to be cost-effective and accessible sensors for capturing human biomechanical deformations. However, the interpretation of these sensors is notably more complex compared to conventional strain gauges, particularly during dynamic motion. In addition to the non-linear viscoelastic behavior of the strain gauge material itself, the dynamic response of the sensors is even more difficult to capture due to spikes in the resistance during strain path changes.
View Article and Find Full Text PDFLuminescence Properties of M(AlCl):Yb (M = Ca, Sr, Ba): Ideal Materials for the Investigation of Structure-Luminescence Relationships.
Materials (Basel)
December 2024
Inorganic Chemistry, University of Siegen, 57076 Siegen, Germany.
In this work, the chloride system M(AlCl) (M = Ca, Sr, Ba) doped with Yb is investigated in greater detail. The influence of the [AlCl] ion on the position of the emission band of Yb is investigated and the emission spectra are recorded. The emission spectra of the Yb-doped materials are characterized by broad 4f5d (HS) ↔ 4f transitions with maxima in the range between 416 nm (Ca) and 421 nm (Ba) (24,061-23,738 cm), whereas the Ba compound features an additional 4f5d (LS) ↔ 4f emission band at 397 nm (25,203 cm) at lower temperatures.
View Article and Find Full Text PDFOral Hygiene, Dietary Habits, and Saliva Properties in Relation to the Decayed, Missing, and Filled Teeth Index of Dental Students: A Pilot Study.
Medicina (Kaunas)
December 2024
Department of Biochemistry, School of Dental Medicine, University of Belgrade, 11000 Belgrade, Serbia.
: Caries development is associated with poor oral hygiene, inadequate dietary habits, quantitative and qualitative food content, and a high level of bacterial plaque. Physical and chemical changes in saliva composition and particularly changes in its buffering capability play a significant role in caries development. This study aimed to determine the predictors of poor oral health among a sample of second-year dental students.
View Article and Find Full Text PDFPrevalence of Obesity and Dental Caries in Kindergarten Children During the First Decade of Saudi Vision 2030: A Cross-Sectional Study.
Children (Basel)
December 2024
Department of Pediatric Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
Background/objectives: Obesity and dental caries are significant health issues affecting children worldwide. This study aims to investigate the prevalence of obesity and dental caries among kindergarten children in Saudi Arabia during the early implementation years of the Vision 2030 initiative. Specifically, it examines the obesity rates between public and private kindergartens and assesses the correlation between obesity and caries risk.
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