Detlef R.U. Knappe

13.9k total citations · 5 hit papers
114 papers, 8.7k citations indexed

About

Detlef R.U. Knappe is a scholar working on Health, Toxicology and Mutagenesis, Environmental Chemistry and Atmospheric Science. According to data from OpenAlex, Detlef R.U. Knappe has authored 114 papers receiving a total of 8.7k indexed citations (citations by other indexed papers that have themselves been cited), including 63 papers in Health, Toxicology and Mutagenesis, 56 papers in Environmental Chemistry and 28 papers in Atmospheric Science. Recurrent topics in Detlef R.U. Knappe's work include Per- and polyfluoroalkyl substances research (49 papers), Toxic Organic Pollutants Impact (45 papers) and Atmospheric chemistry and aerosols (28 papers). Detlef R.U. Knappe is often cited by papers focused on Per- and polyfluoroalkyl substances research (49 papers), Toxic Organic Pollutants Impact (45 papers) and Atmospheric chemistry and aerosols (28 papers). Detlef R.U. Knappe collaborates with scholars based in United States, Switzerland and Canada. Detlef R.U. Knappe's co-authors include Lei Li, Mark J. Strynar, R. Scott Summers, Andrew B. Lindstrom, James McCord, Zachary R. Hopkins, Mei Sun, Morton A. Barlaz, Joshua P. Kearns and Zhanyun Wang and has published in prestigious journals such as Science, Nature Communications and Environmental Science & Technology.

In The Last Decade

Detlef R.U. Knappe

112 papers receiving 8.5k citations

Hit Papers

Per- and pol... 2002 2026 2010 2018 2022 2002 2016 2020 2024 250 500 750 1000
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.

  1. Per- and polyfluoroalkyl substances in the environment
    2022 1.2k citations James McCord, Detlef R.U. Knappe et al. profile →
  2. Effects of activated carbon surface chemistry and pore structure on the adsorption of organic contaminants from aqueous solution
    2002 639 citations Detlef R.U. Knappe et al. profile →
  3. Legacy and Emerging Perfluoroalkyl Substances Are Important Drinking Water Contaminants in the Cape Fear River Watershed of North Carolina
    2016 550 citations Mark J. Strynar, Andrew B. Lindstrom et al. Environmental Science & Technology Letters profile →
  4. Scientific Basis for Managing PFAS as a Chemical Class
    2020 435 citations Carol F. Kwiatkowski, David Q. Andrews et al. Environmental Science & Technology Letters profile →
  5. Lithium-ion battery components are at the nexus of sustainable energy and environmental release of per- and polyfluoroalkyl substances
    2024 66 citations Jennifer L. Guelfo, P. Lee Ferguson et al. Nature Communications profile →

Peers

Detlef R.U. Knappe
Yali Shi China
Tanju Karanfil United States
Qi Wang China
Feng Xiao United States
Thanh Wang China
Qingguo Huang United States
Timothy J. Strathmann United States
Zongsu Wei China
Junfeng Niu China
Eric Dickenson United States
Yali Shi China
Detlef R.U. Knappe
Citations per year, relative to Detlef R.U. Knappe Detlef R.U. Knappe (= 1×) peers Yali Shi

Countries citing papers authored by Detlef R.U. Knappe

Since Specialization
Citations

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

Fields of papers citing papers by Detlef R.U. Knappe

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Detlef R.U. Knappe

This figure shows the co-authorship network connecting the top 25 collaborators of Detlef R.U. Knappe. A scholar is included among the top collaborators of Detlef R.U. Knappe 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 Detlef R.U. Knappe. Detlef R.U. Knappe 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.
2.
Proctor, Susan P., Jane A. Hoppin, Sharon Zhang, et al.. (2025). Per- and Polyfluoroalkyl Ether Acid (PFEA) Concentrations in Indoor Dust are Higher in Homes Closer to a Fluorochemical Manufacturing Facility. Environmental Science & Technology. 59(14). 7200–7210. 4 indexed citations
3.
Knappe, Detlef R.U., et al.. (2024). Adapting to PFAS contamination of private drinking water wells near a PFAS production facility in the US Atlantic Coastal Plain of North Carolina. Water Environment Research. 96(8). e11091–e11091. 1 indexed citations
4.
Guelfo, Jennifer L., P. Lee Ferguson, Melissa Chernick, et al.. (2024). Lithium-ion battery components are at the nexus of sustainable energy and environmental release of per- and polyfluoroalkyl substances. Nature Communications. 15(1). 5548–5548. 66 indexed citations breakdown →
5.
Ruyle, Bridger J., Heidi M. Pickard, Lara Schultes, et al.. (2023). Interlaboratory Comparison of Extractable Organofluorine Measurements in Groundwater and Eel (Anguilla rostrata): Recommendations for Methods Standardization. Environmental Science & Technology. 57(48). 20159–20168. 10 indexed citations
6.
Wilkie, Adrien A., Nadine Kotlarz, Detlef R.U. Knappe, et al.. (2023). Factors associated with per- and polyfluoroalkyl substances (PFAS) serum concentrations in residents of New Hanover County, North Carolina: The GenX exposure study. Environmental Research. 237(Pt 2). 117020–117020. 8 indexed citations
7.
8.
Pétré, Marie-Amélie, Heather M. Stapleton, P. Lee Ferguson, et al.. (2022). Per- and polyfluoroalkyl substances (PFAS) in river discharge: Modeling loads upstream and downstream of a PFAS manufacturing plant in the Cape Fear watershed, North Carolina. The Science of The Total Environment. 831. 154763–154763. 60 indexed citations
9.
Barton, Kelsey E., Detlef R.U. Knappe, Nadine Kotlarz, et al.. (2022). Source apportionment of serum PFASs in two highly exposed communities. The Science of The Total Environment. 855. 158842–158842. 17 indexed citations
10.
Rosen, Emma M., Nadine Kotlarz, Detlef R.U. Knappe, et al.. (2022). Drinking Water–Associated PFAS and Fluoroethers and Lipid Outcomes in the GenX Exposure Study. Environmental Health Perspectives. 130(9). 97002–97002. 37 indexed citations
11.
Knappe, Detlef R.U., et al.. (2020). Assessment of the breakthrough of micropollutants in full-scale granular activated carbon adsorbers by rapid small-scale column tests and a novel pilot-scale sampling approach. Environmental Science Water Research & Technology. 6(10). 2742–2751. 17 indexed citations
12.
Kearns, Joshua P., Eric Dickenson, & Detlef R.U. Knappe. (2020). Enabling Organic Micropollutant Removal from Water by Full-Scale Biochar and Activated Carbon Adsorbers Using Predictions from Bench-Scale Column Data. Environmental Engineering Science. 37(7). 459–471. 20 indexed citations
13.
Kotlarz, Nadine, James McCord, David N. Collier, et al.. (2020). Measurement of Novel, Drinking Water-Associated PFAS in Blood from Adults and Children in Wilmington, North Carolina. Environmental Health Perspectives. 128(7). 77005–77005. 216 indexed citations
14.
Kearns, Joshua P., et al.. (2020). Biochar Water Treatment for Control of Organic Micropollutants with UVA Surrogate Monitoring. Environmental Engineering Science. 38(5). 298–309. 23 indexed citations
15.
Kwiatkowski, Carol F., David Q. Andrews, Linda S. Birnbaum, et al.. (2020). Scientific Basis for Managing PFAS as a Chemical Class. Environmental Science & Technology Letters. 7(8). 532–543. 435 indexed citations breakdown →
16.
Kearns, Joshua P., Kyle K. Shimabuku, Detlef R.U. Knappe, & R. Scott Summers. (2019). High Temperature Co-pyrolysis Thermal Air Activation Enhances Biochar Adsorption of Herbicides from Surface Water. Environmental Engineering Science. 36(6). 710–723. 22 indexed citations
17.
Kearns, Joshua P., Detlef R.U. Knappe, & R. Scott Summers. (2015). Feasibility of Using Traditional Kiln Charcoals in Low-Cost Water Treatment: Role of Pyrolysis Conditions on 2,4-D Herbicide Adsorption. Environmental Engineering Science. 32(11). 912–921. 12 indexed citations
18.
Baeza, Carolina & Detlef R.U. Knappe. (2011). Transformation kinetics of biochemically active compounds in low-pressure UV Photolysis and UV/H2O2 advanced oxidation processes. Water Research. 45(15). 4531–4543. 164 indexed citations
19.
Knappe, Detlef R.U., et al.. (2009). Modeling the UV/hydrogen peroxide advanced oxidation process using computational fluid dynamics. Water Research. 44(6). 1797–1808. 66 indexed citations
20.
Snyder, Shane A., et al.. (2009). Removal of emerging contaminants of concern by alternative adsorbents. Water Research. 43(15). 3787–3796. 246 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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