Niels Hadrup

4.4k total citations · 1 hit paper
75 papers, 3.2k citations indexed

About

Niels Hadrup is a scholar working on Health, Toxicology and Mutagenesis, Materials Chemistry and Molecular Biology. According to data from OpenAlex, Niels Hadrup has authored 75 papers receiving a total of 3.2k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Health, Toxicology and Mutagenesis, 22 papers in Materials Chemistry and 15 papers in Molecular Biology. Recurrent topics in Niels Hadrup's work include Nanoparticles: synthesis and applications (21 papers), Heavy Metal Exposure and Toxicity (15 papers) and Air Quality and Health Impacts (13 papers). Niels Hadrup is often cited by papers focused on Nanoparticles: synthesis and applications (21 papers), Heavy Metal Exposure and Toxicity (15 papers) and Air Quality and Health Impacts (13 papers). Niels Hadrup collaborates with scholars based in Denmark, Norway and Slovakia. Niels Hadrup's co-authors include Henrik Rye Lam, Katrin Loeschner, Anoop Sharma, Gitte Ravn‐Haren, Alicja Mortensen, Erik H. Larsen, Ulla Vogel, Anne Marie Vinggaard, Klaus Qvortrup and Xueyun Gao and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Analytical Chemistry.

In The Last Decade

Niels Hadrup

73 papers receiving 3.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Oral toxicity of silver ions, silver nanoparticles and colloidal silver – A review

2013 425 citations Niels Hadrup et al. Regulatory Toxicology and Pharmacology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Niels Hadrup Denmark	28	1.3k	1.0k	509	469	467	75	3.2k
Alicja Mortensen Denmark	30	1.2k 0.9×	720 0.7×	625 1.2×	400 0.9×	598 1.3×	136	3.7k
Doug‐Young Ryu South Korea	20	1.5k 1.1×	1.1k 1.1×	337 0.7×	531 1.1×	517 1.1×	62	3.1k
Jacob J. Briedé Netherlands	33	904 0.7×	1.1k 1.1×	277 0.5×	459 1.0×	1.1k 2.3×	86	4.2k
Byung‐Sun Choi South Korea	25	925 0.7×	1.2k 1.2×	560 1.1×	277 0.6×	238 0.5×	70	2.7k
Zhuge Xi China	26	1.3k 1.0×	998 1.0×	203 0.4×	600 1.3×	459 1.0×	98	3.0k
Yanbo Li China	34	1.0k 0.8×	902 0.9×	261 0.5×	583 1.2×	997 2.1×	88	3.5k
Tiancheng Wang China	23	1.3k 1.0×	960 1.0×	286 0.6×	694 1.5×	339 0.7×	79	2.8k
Xianqing Zhou China	36	1.2k 0.9×	1.6k 1.6×	307 0.6×	586 1.2×	1.2k 2.5×	163	4.7k
Enrico Bergamaschi Italy	33	954 0.7×	1.3k 1.3×	212 0.4×	588 1.3×	464 1.0×	141	3.4k
Masanori Horie Japan	35	2.0k 1.5×	734 0.7×	279 0.5×	1.0k 2.1×	656 1.4×	147	4.1k

Countries citing papers authored by Niels Hadrup

Since Specialization

Citations

This map shows the geographic impact of Niels Hadrup's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Niels Hadrup with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Niels Hadrup more than expected).

Fields of papers citing papers by Niels Hadrup

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Niels Hadrup. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Niels Hadrup. The network helps show where Niels Hadrup may publish in the future.

Co-authorship network of co-authors of Niels Hadrup

This figure shows the co-authorship network connecting the top 25 collaborators of Niels Hadrup. A scholar is included among the top collaborators of Niels Hadrup based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Niels Hadrup. Niels Hadrup is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Andrup, Lars, Niels Hadrup, & Anne Mette Madsen. (2025). Occupational Health Issues in the Seafood Industry Due to Biological Exposures: A Narrative Review. Safety and Health at Work. 16(4). 387–397.

Hadrup, Niels, Ulla Vogel, & Nicklas Raun Jacobsen. (2025). Biokinetics of inhaled silver, gold, copper oxide, and zinc oxide nanoparticles: a review. Nanotoxicology. 19(3). 259–289. 2 indexed citations

Sørli, Jorid Birkelund, Karen Bo Frydendall, Eva Bay Wedebye, et al.. (2025). Toxicological potential of substances in spray-formulated degreasers and lubricants – With a literature review on asthma potentials of ammonia, maleic anhydride and methyl methacrylate. Toxicology. 519. 154312–154312. 1 indexed citations

Hadrup, Niels, Ulla Vogel, & Nicklas Raun Jacobsen. (2024). Biokinetics of carbon black, multi-walled carbon nanotubes, cerium oxide, silica, and titanium dioxide nanoparticles after inhalation: a review. Nanotoxicology. 18(8). 678–706. 4 indexed citations

Sørli, Jorid Birkelund, ACØ Jensen, Alicja Mortensen, et al.. (2023). Genotoxicity in the absence of inflammation after tungsten inhalation in mice. Environmental Toxicology and Pharmacology. 98. 104074–104074. 5 indexed citations

Hadrup, Niels & Gitte Ravn‐Haren. (2023). Toxicity of repeated oral intake of organic selenium, inorganic selenium, and selenium nanoparticles: A review. Journal of Trace Elements in Medicine and Biology. 79. 127235–127235. 62 indexed citations

Saber, Anne Thoustrup, Niels Hadrup, Andrew Williams, et al.. (2022). Unchanged pulmonary toxicity of ZnO nanoparticles formulated in a liquid matrix for glass coating. Nanotoxicology. 16(6-8). 812–827. 1 indexed citations

Sørli, Jorid Birkelund, ACØ Jensen, Vladimir Nikiforov, et al.. (2022). Risk assessment of consumer spray products using in vitro lung surfactant function inhibition, exposure modelling and chemical analysis. Food and Chemical Toxicology. 164. 112999–112999. 12 indexed citations

Hadrup, Niels, Jorid Birkelund Sørli, & Anoop Sharma. (2022). Pulmonary toxicity, genotoxicity, and carcinogenicity evaluation of molybdenum, lithium, and tungsten: A review. Toxicology. 467. 153098–153098. 33 indexed citations

10.

Hadrup, Niels, Marie Frederiksen, Eva Bay Wedebye, et al.. (2021). Asthma‐inducing potential of 28 substances in spray cleaning products—Assessed by quantitative structure activity relationship (QSAR) testing and literature review. Journal of Applied Toxicology. 42(1). 130–153. 18 indexed citations

11.

Hadrup, Niels, Kristina Bram Knudsen, Marie Carrière, et al.. (2021). Safe-by-design strategies for lowering the genotoxicity and pulmonary inflammation of multiwalled carbon nanotubes: Reduction of length and the introduction of COOH groups. Environmental Toxicology and Pharmacology. 87. 103702–103702. 14 indexed citations

12.

Hadrup, Niels, Anoop Sharma, Nicklas Raun Jacobsen, & Katrin Loeschner. (2021). Distribution, metabolism, excretion, and toxicity of implanted silver: a review. Drug and Chemical Toxicology. 45(5). 2388–2397. 11 indexed citations

13.

Hadrup, Niels & Gitte Ravn‐Haren. (2021). Absorption, distribution, metabolism and excretion (ADME) of oral selenium from organic and inorganic sources: A review. Journal of Trace Elements in Medicine and Biology. 67. 126801–126801. 64 indexed citations

14.

Hadrup, Niels, Kukka Aimonen, Marit Ilves, et al.. (2020). Pulmonary toxicity of synthetic amorphous silica – effects of porosity and copper oxide doping. Nanotoxicology. 15(1). 96–113. 25 indexed citations

15.

Hadrup, Niels, Kristina Bram Knudsen, Trine Berthing, et al.. (2019). Pulmonary effects of nanofibrillated celluloses in mice suggest that carboxylation lowers the inflammatory and acute phase responses. Environmental Toxicology and Pharmacology. 66. 116–125. 45 indexed citations

16.

Hadrup, Niels, Danuta Mielżyńska‐Švach, Agnieszka Kozłowska, et al.. (2019). Association between a urinary biomarker for exposure to PAH and blood level of the acute phase protein serum amyloid A in coke oven workers. Environmental Health. 18(1). 81–81. 18 indexed citations

17.

Hadrup, Niels, Anoop Sharma, & Katrin Loeschner. (2018). Toxicity of silver ions, metallic silver, and silver nanoparticle materials after in vivo dermal and mucosal surface exposure: A review. Regulatory Toxicology and Pharmacology. 98. 257–267. 246 indexed citations

18.

Hadrup, Niels, Stefan Bengtson, Nicklas Raun Jacobsen, et al.. (2017). Influence of dispersion medium on nanomaterial-induced pulmonary inflammation and DNA strand breaks: investigation of carbon black, carbon nanotubes and three titanium dioxide nanoparticles. Mutagenesis. 32(6). 581–597. 53 indexed citations

19.

Hadrup, Niels, Terje Svingen, Karen Mandrup, et al.. (2016). Juvenile Male Rats Exposed to a Low-Dose Mixture of Twenty-Seven Environmental Chemicals Display Adverse Health Effects. PLoS ONE. 11(9). e0162027–e0162027. 18 indexed citations

20.

Hadrup, Niels. (2014). Evidence from pharmacology and pathophysiology suggests that chemicals with dissimilar mechanisms of action could be of bigger concern in the toxicological risk assessment of chemical mixtures than chemicals with a similar mechanism of action. Regulatory Toxicology and Pharmacology. 69(3). 281–283. 14 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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