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Interaction of light with gas-liquid interfaces: influence on photon absorption in continuous-flow photoreactors.
React Chem Eng
January 2025
Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA) 1098 XH Amsterdam The Netherlands
Light interacts with gas bubbles in various ways, potentially leading to photon losses in gas-liquid photochemical applications. Given that light is a valuable 'reagent', understanding these losses is crucial for optimizing reactor efficiency. In this study, we address the challenge of quantifying these interactions by implementing a method that separately determines the photon flux and utilizes actinometric experiments to determine the effective optical path length, a key descriptor of photon absorption.
View Article and Find Full Text PDF"If children don't feel safe, they won't come back": A qualitative exploration of parents' perceptions of health coordinators in a family-based programme in socially disadvantaged communities.
Public Health Pract (Oxf)
June 2025
Karolinska Institutet, Department of Neurobiology, Care Sciences and Society, Division of Nursing, 141 83, Huddinge, Sweden.
Background: Families residing in disadvantaged communities encounter inequalities that restrict their engagement in physical activity. Family-based interventions and health coordinators have been proposed as promising approaches to encourage physical activity among parents and children. However, there is a paucity of knowledge regarding family experiences of such programmes and the ways health coordinators facilitate continued participation in programmes delivered in disadvantaged communities.
View Article and Find Full Text PDFSocial Vulnerability and Biological Aging in New York City: An Electronic Health Records-Based Study.
J Urban Health
January 2025
Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, Box 1057, New York, NY, 10029, USA.
Chronological age is not an accurate predictor of morbidity and mortality risk, as individuals' aging processes are diverse. Phenotypic age acceleration (PhenoAgeAccel) is a validated biological age measure incorporating chronological age and biomarkers from blood samples commonly used in clinical practice that can better reflect aging-related morbidity and mortality risk. The heterogeneity of age-related decline is not random, as environmental exposures can promote or impede healthy aging.
View Article and Find Full Text PDFPersonalised estimation of exposure to ambient air pollution and application in a longitudinal cohort analysis of cognitive function in London-dwelling older adults.
J Expo Sci Environ Epidemiol
January 2025
Environmental Research Group, School of Public Health, Imperial College London, London, UK.
Background: Accurate estimates of personal exposure to ambient air pollution are difficult to obtain and epidemiological studies generally rely on residence-based estimates, averaged spatially and temporally, derived from monitoring networks or models. Few epidemiological studies have compared the associated health effects of personal exposure and residence-based estimates.
Objective: To evaluate the association between exposure to air pollution and cognitive function using exposure estimates taking mobility and location into account.
Use the right words: evaluating the effect of word choice and word count on quality of narrative feedback in ophthalmology competency-based medical education assessments.
Can Med Educ J
December 2024
Department of Ophthalmology, Queen's University, Ontario, Canada.
Background: The purpose of this study was to investigate the effect of word choice on the quality of narrative feedback in ophthalmology resident trainee assessments following the introduction of competency-based medical education at Queen's University.
Methods: Assessment data from July 2017-December 2020 were retrieved from Elentra (Integrated Teaching and Learning Platform) and anonymized. Written feedback was assigned a Quality of Assessment for Learning (QuAL) score out of five based on this previously validated rubric.
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