Personal profile
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 11 Sustainable Cities and Communities -
SDG 15 Life on Land
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Dive into the research topics where Judith Holtjer is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Publication network from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Air pollution and long COVID: association with pulmonary function and radiological abnormalities 3-15 months post-COVID
Houweling, L., Holtjer, J. C. S., Bloemsma, L. D., de Jong, P. A., Mohamed Hoesein, F. A., Nossent, E. J., Vermeulen, R. C. H., Maitland-Van der Zee, A. H. & Downward, G. S., 1 Dec 2025, In: Environmental Research. 286, Part 1, 9 p., 122707.Research output: Contribution to journal › Article › Academic › peer-review
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Assessment of personal and residential outdoor fine particulate matter exposure using low-cost sensors in a long-Covid patient population
P4O2 Consortium, Houweling, L., Holtjer, J. C. S., Downward, G. S., Bloemsma, L. D., Gijsbers, E. R., de Waard, E. E., Maitland-Van der Zee, A. H., Hoek, G. & Vermeulen, R. C. H., Oct 2025, In: Environmental Advances. 21, 100654.Research output: Contribution to journal › Article › Academic › peer-review
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Defining a long COVID 'expotype' within the P4O2 COVID-19 study
P4O2 Consortium, Holtjer, J. C. S., Houweling, L., Bloemsma, L. D., Cornelissen, M. E. B., Maitland-Van der Zee, A. H., Portengen, L., Kakhaia, S., Vermeulen, R. C. H. & Downward, G. S., 1 Dec 2025, In: Environmental Research. 286, Part 2, 8 p., 122860.Research output: Contribution to journal › Article › Academic › peer-review
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Measurement variability in residential PM2.5: an evaluation of a low-cost sensor in the Netherlands
Holtjer, J. C. S., Houweling, L., Downward, G. S., Bloemsma, L. D., der Zee, A. H. M. V. & Hoek, G., 2025, In: Air Quality, Atmosphere and Health. 18, p. 3137–3149Research output: Contribution to journal › Article › Academic › peer-review
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The effect of the urban exposome on COVID-19 health outcomes: A systematic review and meta-analysis
Houweling, L., Maitland-Van der Zee, A.-H., Holtjer, J. C. S., Bazdar, S., Vermeulen, R. C. H., Downward, G. S. & Bloemsma, L. D., 1 Jan 2024, In: Environmental Research. 240, Pt 2, 20 p., 117351.Research output: Contribution to journal › Review article › peer-review
Open AccessFile