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Comprehensive Analysis of Seasonal and Geographical Variation in UVB Radiation Relevant for Vitamin D Production in Europe
Dermal synthesis, following sun exposure, is the main source of vitamin D. This study characteriz...
Khanna T, Shraim R, Zarkovic M, van Weele M, van Geffen J, Zgaga L. | Journal: Nutrients | Volume: 14 | Year: 2022 | First page: 5189 | Last page: 5204 | doi: 10.3390/nu14235189
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Ambient ultraviolet-B radiation, supplements and other factors interact to impact vitamin D status differently depending on ethnicity: a cross-sectional study
Background & aims
Many determinants of vitamin D status have been well-described, yet supple...
Brennan, M.M., van Geffen, J., van Weele, M., Zgaga, L. and Shraim | Journal: Clinical Nutrition | Volume: 43 | Year: 2024 | First page: 1308 | Last page: 1317 | doi: 10.1016/j.clnu.2024.04.006
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Prevalence and determinants of profound vitamin D deficiency (25-hydroxyvitamin D <10 nmol/L) in the UK Biobank and potential implications for disease association studies
Background
25-hydroxyvitamin D (25OHD) is the principal biomarker of vitamin D status. Values be...
Shraim, R., Brennan, M.M., van Geffen, J. and Zgaga, L. | Journal: Journal of Steroid Biochemistry and Molecular Biology | Volume: 250 | Year: 2025 | First page: 106737 | doi: 10.1016/j.jsbmb.2025.106737
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Seismic interferometry applied to local fracture seismicity recorded at Planchón-Peteroa Volcanic Complex, Argentina-Chile
Although the Planchón-Peteroa Volcanic Complex (PPVC) has undergone many hazardous eruptions, onl...
JA Casas, D Draganov, GA Badi, MC Manassero, VH Olivera Craig, L Franco Marin, M Gomez, EN Ruigrok | Status: published | Journal: Journal of South American Earth Sciences | Volume: 92 | Year: 2019 | First page: 134 | Last page: 144 | doi: 10.1016/j.jsames.2019.03.012
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Natural emissions of VOC and NOx over Africa constrainted by TROPOMI HCHO and NO2 data using the MAGRITTEv1.1 model
Natural emissions (vegetation, soil, and lightning) are the dominant sources of non-methane bioge...
Opacka, B., Stavrakou, T., Müller, J.-F., De Smedt, I., van Geffen, J., Marais, E. A., Horner, R. P., Millet, D. B., Wells, K. C. and Guenther, A. B. | Journal: Atmos. Chem. Phys. | Volume: 25 | Year: 2025 | First page: 2863 | Last page: 2894 | doi: 10.5194/acp-25-2863-2025
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