Publications by authors named "Detlef Knappe"

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Per- and polyfluoroalkyl substances in agricultural systems: Human dietary exposure via beef raised on corn stover from a field with contaminated biosolids.
Ankita Bhattacharya, Jiahe Tian, Sarah Choyke, Juliane Brown, PingPing Meng, Detlef R U Knappe

J Environ Qual· November 2025

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Historical Blood Serum Samples from Wilmington, North Carolina: The Importance of Ultrashort-Chain Per- and Polyfluoroalkyl Substances.
Lan Cheng, Sarah Teagle, Jeffrey R Enders, Rebecca A Weed, Hazel B Nichols, Detlef R U Knappe

Environ Sci Technol· November 2025

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Per- and Polyfluoroalkyl Ether Acid (PFEA) Concentrations in Indoor Dust are Higher in Homes Closer to a Fluorochemical Manufacturing Facility.
Susie Proctor, Jane A Hoppin, Sharon Zhang, Heather M Stapleton, Detlef R U Knappe

Environ Sci Technol· April 2025

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Removal of Per- and Polyfluoroalkyl Substances (PFAS) in fixed bed anion exchange reactors: Factors determining PFAS uptake capacity and models predicting PFAS breakthrough.
Lan Cheng, Pingping Meng, Detlef R U Knappe

Water Res· January 2025

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Residential Garden Produce Harvested Near a Fluorochemical Manufacturer in North Carolina Can Be An Important Fluoroether Exposure Pathway.
Pingping Meng, Nadia Sheppard, Sarangi Joseph, Owen W Duckworth, Christopher P Higgins, Detlef R U Knappe

J Agric Food Chem· December 2024

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Evaluating Solid Phase Adsorption Toxin Tracking (SPATT) for passive monitoring of per- and polyfluoroalkyl substances (PFAS) with Ion Mobility Spectrometry-Mass Spectrometry (IMS-MS).
James N Dodds, Kaylie I Kirkwood-Donelson, Anna K Boatman, Detlef R U Knappe, Nathan S Hall

Sci Total Environ· October 2024

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Forecasting and Hindcasting PFAS Concentrations in Groundwater Discharging to Streams near a PFAS Production Facility.
Craig R Jensen, David P Genereux, D Kip Solomon, Detlef R U Knappe, Troy E Gilmore

Environ Sci Technol· October 2024

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Machine Learning Models to Predict Early Breakthrough of Recalcitrant Organic Micropollutants in Granular Activated Carbon Adsorbers.
Yoko Koyama, Mohammad A K Fasaee, Emily Z Berglund, Detlef R U Knappe

Environ Sci Technol· September 2024

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Adapting to PFAS contamination of private drinking water wells near a PFAS production facility in the US Atlantic Coastal Plain of North Carolina.
Tiffany J VanDerwerker, Detlef R U Knappe, David P Genereux

Water Environ Res· August 2024

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Lithium-ion battery components are at the nexus of sustainable energy and environmental release of per- and polyfluoroalkyl substances.
Jennifer L Guelfo, P Lee Ferguson, Jonathan Beck, Melissa Chernick, Alonso Doria-Manzur, Detlef R U Knappe

Nat Commun· July 2024

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Commercial compost amendments inhibit the bioavailability and plant uptake of per- and polyfluoroalkyl substances in soil-porewater-lettuce systems.
Yuanbo Li, Yue Zhi, Rebecca Weed, Stephen W Broome, Detlef R U Knappe

Environ Int· April 2024

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Predicting per- and polyfluoroalkyl substances removal in pilot-scale granular activated carbon adsorbers from rapid small-scale column tests.
Zachary R Hopkins, Detlef R U Knappe

AWWA Water Sci· March 2024

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Removal of Per- and Polyfluoroalkyl substances by anion exchange resins: Scale-up of rapid small-scale column test data.
Lan Cheng, Detlef R U Knappe

Water Res· February 2024

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Measurement of Hydro-EVE and 6:2 FTS in Blood from Wilmington, North Carolina, Residents, 2017-2018.
Nadine Kotlarz, James McCord, Nate Wiecha, Rebecca A Weed, Michael Cuffney, Detlef R U Knappe

Environ Health Perspect· February 2024

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Reanalysis of PFO5DoA Levels in Blood from Wilmington, North Carolina, Residents, 2017-2018.
Nadine Kotlarz, James McCord, Nate Wiecha, Rebecca A Weed, Michael Cuffney, Detlef R U Knappe

Environ Health Perspect· February 2024

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Erratum: "Measurement of Novel, Drinking Water-Associated PFAS in Blood from Adults and Children in Wilmington, North Carolina".
Nadine Kotlarz, James McCord, David Collier, C Suzanne Lea, Mark Strynar, Detlef R U Knappe

Environ Health Perspect· February 2024

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Erratum: "Drinking Water-Associated PFAS and Fluoroethers and Lipid Outcomes in the GenX Exposure Study".
Emma M Rosen, Nadine Kotlarz, Detlef R U Knappe, C Suzanne Lea, David N Collier

Environ Health Perspect· February 2024

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Per- and polyfluoroalkyl ether acids in well water and blood serum from private well users residing by a fluorochemical facility near Fayetteville, North Carolina.
Nadine Kotlarz, Theresa Guillette, Claire Critchley, David Collier, C Suzanne Lea, Detlef R U Knappe

J Expo Sci Environ Epidemiol· January 2024

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Interlaboratory Comparison of Extractable Organofluorine Measurements in Groundwater and Eel (): Recommendations for Methods Standardization.
Bridger J Ruyle, Heidi M Pickard, Lara Schultes, Felicia Fredriksson, Amy L Heffernan, Detlef R U Knappe

Environ Sci Technol· December 2023

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Oxidation of Per- and Polyfluoroalkyl Ether Acids and Other Per- and Polyfluoroalkyl Substances by Sulfate and Hydroxyl Radicals: Kinetic Insights from Experiments and Models.
Chuhui Zhang, Tiffany Tang, Detlef R U Knappe

Environ Sci Technol· November 2023

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Factors associated with per- and polyfluoroalkyl substances (PFAS) serum concentrations in residents of New Hanover County, North Carolina: The GenX exposure study.
Michael Cuffney, Adrien A Wilkie, Nadine Kotlarz, Detlef Knappe, C Suzanne Lea

Environ Res· November 2023

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Estimation of the Half-Lives of Recently Detected Per- and Polyfluorinated Alkyl Ethers in an Exposed Community.
Dylan J Wallis, Nadine Kotlarz, Detlef R U Knappe, David N Collier, C Suzanne Lea

Environ Sci Technol· October 2023

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Predicting Concentration- and Ionic-Strength-Dependent Air-Water Interfacial Partitioning Parameters of PFASs Using Quantitative Structure-Property Relationships (QSPRs).
John F Stults, Youn Jeong Choi, Cooper Rockwell, Charles E Schaefer, Dung D Nguyen, Detlef R U Knappe

Environ Sci Technol· April 2023

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Pilot-scale biofiltration of 1,4-dioxane at drinking water-relevant concentrations.
Amie C McElroy, Matthew E Ogles, Michael R Hyman, Detlef R U Knappe

Water Res· March 2023

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Removal and destruction of perfluoroalkyl ether carboxylic acids (PFECAs) in an anion exchange resin and electrochemical oxidation treatment train.
Yida Fang, Pingping Meng, Charles Schaefer, Detlef R U Knappe

Water Res· February 2023

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