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Influence of spatial redistribution of heterogeneities in proton beam characteristics.
Phys Med
January 2025
Department of Medical Physics, Apollo Proton Cancer Centre, 100 Feet Road Taramani, Chennai, Tamil Nadu, India. Electronic address:
Objectives: The purpose of this study was to investigate the fundamental properties of spot-scanning proton beams and compare them to Monte Carlo (MC) simulations, both with and without CT calibration, using spatially diverse combinations of materials.
Methods: A heterogeneous phantom was created by spatially distributing titanium, wax, and thermocol to generate six scenarios of heterogeneous combinations. Proton pencil beams ranging in energy from 100 to 226.
Clinical Manifestations.
Alzheimers Dement
December 2024
Centre for Healthy Brain Ageing (CHeBA), University of New South Wales, UNSW Sydney, NSW, Australia.
Background: Language and cultural factors are known to influence cognitive performance on neuropsychological measures used to assess cognitive impairment and dementia. A new measure, the Characterising Language Experience and Acculturation Questionnaire (CLEAr-Q) was developed to address the gap in access to a brief measure of these factors in the Australian context. The aim is to validate and further develop the CLEAr-Q as a tool to capture linguistic and acculturation variables to improve measurement of cognition in older adults from Culturally and Linguistically Diverse (CALD) backgrounds.
View Article and Find Full Text PDFClinical Manifestations.
Alzheimers Dement
December 2024
Memory and Aging Center, Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA.
Background: Frontotemporal dementia (FTD) is a diverse spectrum of neurodegenerative disorders impacting the frontal and temporal lobes, primarily manifesting as behavioral and/or language issues. Accurate diagnosis is crucial for effective management, potential treatment, and care planning. While speech analysis has shown promise in detecting cognitive markers of Alzheimer's disease (AD), its exploration in FTD is limited.
View Article and Find Full Text PDFUV-B induced flavonoid accumulation and related gene expression in blue- grained wheat at different periods of time.
Front Plant Sci
December 2024
College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, China.
Introduction: UV-B can be used as an additional technique for nutrient accumulation in blue-grained wheat, which has special nutritional properties due to its blue starch layer. The concentration of flavonoids in blue-grained wheat under UV-B irradiation is extremely important for further investigation and exploitation of the nutritional properties of blue-grained wheat.
Methods: This investigation focuses on the expression of flavonoids and associated genes in blue-grained wheat using transcriptomic and metabolomic analyzes.
Wastewater-based epidemiology: deriving a SARS-CoV-2 data validation method to assess data quality and to improve trend recognition.
Front Public Health
December 2024
Wastewater Technology Research, Wastewater Disposal, German Environment Agency, Berlin, Germany.
Introduction: Accurate and consistent data play a critical role in enabling health officials to make informed decisions regarding emerging trends in SARS-CoV-2 infections. Alongside traditional indicators such as the 7-day-incidence rate, wastewater-based epidemiology can provide valuable insights into SARS-CoV-2 concentration changes. However, the wastewater compositions and wastewater systems are rather complex.
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