U. Nygren

463 total citations
21 papers, 386 citations indexed

About

U. Nygren is a scholar working on Global and Planetary Change, Radiological and Ultrasound Technology and Radiation. According to data from OpenAlex, U. Nygren has authored 21 papers receiving a total of 386 indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Global and Planetary Change, 12 papers in Radiological and Ultrasound Technology and 10 papers in Radiation. Recurrent topics in U. Nygren's work include Radioactive contamination and transfer (17 papers), Radioactivity and Radon Measurements (12 papers) and Nuclear Physics and Applications (9 papers). U. Nygren is often cited by papers focused on Radioactive contamination and transfer (17 papers), Radioactivity and Radon Measurements (12 papers) and Nuclear Physics and Applications (9 papers). U. Nygren collaborates with scholars based in Sweden, Belgium and Norway. U. Nygren's co-authors include Henrik Ramebäck, Douglas C. Baxter, Agneta H. Plamboeck, Harald Grip, Calle Nilsson, Ilia Rodushkin, Charlotte Nilsson, Jussi Paatero, Gunnar Skarnemark and Michael Berglund and has published in prestigious journals such as Oecologia, Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms and Toxicology in Vitro.

In The Last Decade

U. Nygren

21 papers receiving 369 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
U. Nygren Sweden 12 308 214 164 97 40 21 386
D Solatie Finland 11 215 0.7× 185 0.9× 118 0.7× 37 0.4× 17 0.4× 30 352
Silvia Rosamilia Italy 12 271 0.9× 330 1.5× 104 0.6× 56 0.6× 15 0.4× 17 478
Alicja Boryło Poland 16 432 1.4× 503 2.4× 82 0.5× 66 0.7× 38 0.9× 45 626
Guogang Jia Italy 11 281 0.9× 258 1.2× 144 0.9× 72 0.7× 28 0.7× 23 370
Iisa Outola Finland 15 309 1.0× 274 1.3× 98 0.6× 67 0.7× 40 1.0× 36 437
J. LaRosa Austria 9 328 1.1× 296 1.4× 131 0.8× 79 0.8× 22 0.6× 15 407
G. Kis-Benedek Austria 8 199 0.6× 199 0.9× 103 0.6× 99 1.0× 14 0.3× 13 293
P. Linsalata United States 12 176 0.6× 213 1.0× 149 0.9× 21 0.2× 11 0.3× 22 377
D. Maro France 12 203 0.7× 107 0.5× 42 0.3× 24 0.2× 29 0.7× 33 371
M.H. Lee South Korea 11 233 0.8× 226 1.1× 151 0.9× 40 0.4× 22 0.6× 16 322

Countries citing papers authored by U. Nygren

Since Specialization
Citations

This map shows the geographic impact of U. Nygren'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 U. Nygren with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites U. Nygren more than expected).

Fields of papers citing papers by U. Nygren

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by U. Nygren. 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 U. Nygren. The network helps show where U. Nygren may publish in the future.

Co-authorship network of co-authors of U. Nygren

This figure shows the co-authorship network connecting the top 25 collaborators of U. Nygren. A scholar is included among the top collaborators of U. Nygren 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 U. Nygren. U. Nygren is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Nygren, U., et al.. (2017). Rapid breakthrough of 131I in an in vitro human epidermis model. Toxicology in Vitro. 42. 287–291. 3 indexed citations
2.
Jönsson, Sofia, et al.. (2014). Handling interferences in 89Sr and 90Sr measurements of reactor coolant water: A method based on strontium separation chemistry. Applied Radiation and Isotopes. 90. 94–101. 14 indexed citations
3.
Nygren, U., et al.. (2012). 240Pu/239Pu mass ratio in environmental samples in Finland. Journal of Environmental Radioactivity. 113. 163–170. 27 indexed citations
4.
Ramebäck, Henrik, et al.. (2012). Uncertainty assessment in gamma spectrometric measurements of plutonium isotope ratios and age. Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 287. 56–59. 8 indexed citations
5.
Nygren, U., et al.. (2010). Consequences of and potential reasons for inadequate dead time measurements in isotope ratio mass spectrometry. International Journal of Mass Spectrometry. 300(1). 21–25. 6 indexed citations
6.
Ramebäck, Henrik, et al.. (2010). The jackknife as an approach for uncertainty assessment in gamma spectrometric measurements of uranium isotope ratios. Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 268(16). 2535–2538. 30 indexed citations
7.
Nygren, U., et al.. (2009). Methodology for determination of 89Sr and 90Sr in radiological emergency: I. Scenario dependent evaluation of potentially interfering radionuclides. Journal of Radioanalytical and Nuclear Chemistry. 282(2). 455–459. 12 indexed citations
8.
Nygren, U., et al.. (2009). Uncertainty assessment of methods for chemical yield determination in measurement of radioactive strontium. Journal of Radioanalytical and Nuclear Chemistry. 282(3). 951–955. 9 indexed citations
9.
Ramebäck, Henrik, et al.. (2009). Implementing combined uncertainty according to GUM into a commercial gamma spectrometric software. Journal of Radioanalytical and Nuclear Chemistry. 282(3). 979–983. 3 indexed citations
10.
Nygren, U., et al.. (2009). Methodology for determination of 89Sr and 90Sr in radiological emergency: II. Method development and evaluation. Journal of Radioanalytical and Nuclear Chemistry. 282(2). 461–466. 19 indexed citations
11.
Lind, Ole Christian, Brit Salbu, U. Nygren, et al.. (2008). Overview of sources of radioactive particles of Nordic relevance as well as a short description of available particle characterisation techniques. 1 indexed citations
12.
Nygren, U., et al.. (2008). Determination of 90Sr in preparedness: Optimization of total analysis time for multiple samples. Journal of Radioanalytical and Nuclear Chemistry. 276(2). 357–362. 9 indexed citations
13.
Ramebäck, Henrik, et al.. (2008). Basic characterization of 233U: Determination of age and 232U content using sector field ICP-MS, gamma spectrometry and alpha spectrometry. Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 266(5). 807–812. 15 indexed citations
14.
Nygren, U., Henrik Ramebäck, & Charlotte Nilsson. (2007). Age determination of plutonium using inductively coupled plasma mass spectrometry. Journal of Radioanalytical and Nuclear Chemistry. 272(1). 45–51. 46 indexed citations
15.
Nygren, U., Henrik Ramebäck, Michael Berglund, & Douglas C. Baxter. (2006). The importance of a correct dead time setting in isotope ratio mass spectrometry: Implementation of an electronically determined dead time to reduce measurement uncertainty. International Journal of Mass Spectrometry. 257(1-3). 12–15. 14 indexed citations
16.
Roos, Per, et al.. (2006). NKS-NORCMASS reference material for analysis of Pu-isotopes and 237Np by mass spectrometry. 1 indexed citations
17.
Nygren, U., Henrik Ramebäck, Douglas C. Baxter, & Calle Nilsson. (2005). Lanthanide phosphate interferences in actinide determination using inductively coupled plasma mass spectrometry. Journal of Analytical Atomic Spectrometry. 20(6). 529–529. 12 indexed citations
18.
Nygren, U., et al.. (2002). Application of low energy gamma-spectrometry in rapid actinide analysis for emergency preparedness. Journal of Radioanalytical and Nuclear Chemistry. 251(1). 69–74. 30 indexed citations
19.
Plamboeck, Agneta H., Harald Grip, & U. Nygren. (1999). A hydrological tracer study of water uptake depth in a Scots pine forest under two different water regimes. Oecologia. 119(3). 452–460. 60 indexed citations
20.
Nygren, U.. (1999). Determination of90Sr in soil and sediment using lithium-borate fusion and extraction chromatography. Journal of Radioanalytical and Nuclear Chemistry. 241(3). 549–551. 3 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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