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Ad Ragas

Open University, UK

SCHOLARLY PAPERS

8

DOWNLOADS

461

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0

Scholarly Papers (8)

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1.

Microplastics in Seafood from the Coastal Areas of Semarang, Indonesia

Number of pages: 41 Posted: 22 Mar 2023
Inneke Hantoro, Ansje J. Löhr, Frank G.A.J. Van Belleghem, Budi Widianarko and Ad Ragas
Soegijapranata Catholic University, Open University of the Netherlands, Open University of the Netherlands, Soegijapranata Catholic University and Open University, UK
Downloads 149 (500,001)

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Microplastics, seafood, milkfish, bivalves, Semarang, Indonesia

2.

New Effect Factors for Freshwater Ecotoxicity of Pharmaceuticals

Number of pages: 20 Posted: 16 Nov 2024
Tolga Ayeri, Jiaqi Wang, Rosalie van Zelm and Ad Ragas
Radboud University, Radboud University, Radboud University Nijmegen and Open University, UK
Downloads 102 (689,572)

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Pharmaceuticals, effect factor, characterization factor, NOEC, species sensitivity distribution, life cycle assessment

3.

Quantification and Mapping of Tyre Wear Emissions: From EU Regional Analysis to Global Projections

Downloads 68 (899,324)

Quantification and Mapping of Tyre Wear Emissions: From EU Regional Analysis to Global Projections

Number of pages: 35 Posted: 03 May 2025
Yichen Sun, Jikke van Wijnen and Ad Ragas
Radboud University, affiliation not provided to SSRN and Open University, UK
Downloads 35 (1,281,607)

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Microplastics, Tyre wear particles, Emission factors, Estimation, Global distribution, Environmental pathways

Quantification and Mapping of Tyre Wear Emissions: From EU Regional Analysis to Global Projections

Number of pages: 28 Posted: 11 Oct 2024
Yichen Sun, Jikke van Wijnen and Ad Ragas
Radboud University, affiliation not provided to SSRN and Open University, UK
Downloads 33 (1,326,242)

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microplastics, Tyre wear particles, Emission factors, Global distribution, Environmental pathways

4.

Presence of Pesticides and Biocides on Ecologically Oriented Farms in the Netherlands and Their Effect on the Entomofauna

Number of pages: 22 Posted: 16 Feb 2022
Jelmer Buijs, Ad Ragas and Margriet Mantingh
Radboud University Nijmegen - Department of Environmental Science, Open University, UK and affiliation not provided to SSRN
Downloads 48 (1,097,529)

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Netherlands, dairy farms, dung beetles, meadow birds, toxicity, LR50

5.

In Silico Ecotoxicity Assessment of Pharmaceutical Residues in Wastewater Following Oxidative Treatment

Number of pages: 24 Posted: 01 Sep 2023
Martien H.F. Graumans, Wilfred F.L.M. Hoeben, Ad Ragas, Frans G.M. Russel and Paul T.J. Scheepers
Radboud University, Eindhoven University of Technology - Dept. of Electrical Engineering, Open University, UK, Radboud University Nijmegen - Radboud University Medical Center and Radboud University
Downloads 44 (1,133,231)

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Pharmaceuticals, plasma technology, oxidative chemistry, transformation products, environmental risk assessment, ECOSAR

6.

A Physiologically-Based Kinetic (PBK) Model for Exposure of Mammals to Nano- and Microparticles

Number of pages: 18 Posted: 02 May 2026
Bingqing Lu, Jiaqi Wang, Damian Roelofsen, Jordi Minne, D.A. Matthijs de Winter, Christiaan J. E. Delmaar, Jan Hendriks, Caterina Zillie and Ad Ragas
Radboud University, Radboud University, Radboud University Nijmegen - Radboud University Medical Center, National Institute for Public Health and the Environment (RIVM), National Institute for Public Health and the Environment (RIVM), National Institute for Public Health and the Environment (RIVM), Radboud University, Radboud University and Open University, UK
Downloads 20 (1,526,714)

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Nanoparticle, Microplastics, human internal exposure, distribution, human health

7.

Correlation between Coleoptera Abundance in Cattle Excrements and Pesticide Contamination of Cattle-Grazed Nature Conservation Areas

Number of pages: 25 Posted: 06 Feb 2024
Jelmer Buijs, Ad Ragas, Jan Hendriks and Margriet Mantingh
Radboud University Nijmegen - Department of Environmental Science, Open University, UK, Radboud University and Mantingh Environment and Pesticides
Downloads 20 (1,459,862)

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nature conservation areas, Coleoptera, pesticides, toxicity, biodiversity

8.

Mapping European microplastic emissions: Regional signatures, pathway effects, and the mass-number discrepancy

Number of pages: 35 Posted: 09 Feb 2026
Yichen Sun, Jikke van Wijnen and Ad Ragas
Radboud University, affiliation not provided to SSRN and Open University, UK
Downloads 10 (1,541,665)

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Microplastic emissions, Mass-number discrepancy, Regional emission signatures, Tyre wear particles, Environmental pathways