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First 626 results for ” Geffen”

1. 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 supp...

   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

   Publication

2. The Antarctic stratospheric nitrogen hole: Southern Hemisphere and Antarctic springtime total nitrogen dioxide and total ozone variability as observed by Sentinel-5p TROPOMI

   Denitrification within the stratospheric vortex is a crucial process for Antarctic ozone hole for...

   A.T.J. de Laat, J. van Geffen, P. Stammes, H. Eskes, R.J. van der A | Journal: Atmospheric Chemistry and Physics | Volume: 24 | Year: 2024 | First page: 4511 | Last page: 4535 | doi: https://doi.org/10.5194/acp-24-4511-2024

   Publication

3. 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 ...

   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

   Publication

4. Improved spectral fitting of nitrogen dioxide from OMI in the 405 - 465 nm window

   An improved nitrogen dioxide (NO2) slant column density retrieval for the Ozone Monitoring Instru...

   JHGM van Geffen, KF Boersma, M Van Roozendael, F Hendrick, E Mahieu, I De Smedt, M Sneep, JP Veefkind | Status: published | Journal: Atmospheric Measurement Techniques | Volume: 8 | Year: 2015 | First page: 1685 | Last page: 1699 | doi: 10.5194/amt-8-1685-2015

   Publication

5. GOME Fast delivery and value-Added Products (GOFAP)
   RJ van der A, AJM Piters, PJM Valks, JHGM van Geffen, C Zehner | Conference: ERS-ENVISAT symposium | Place: Gothenbrug | Year: 2000 | First page: 0 | Last page: 0

   Publication