Electron exchange capacity of pyrogenic dissolved organic matter (pyDOM): complementarity of square-wave voltammetry in DMSO and mediated chronoamperometry in water

Autor: Han Cao, Ania S. Pavitt, Jeffrey M. Hudson, Paul G. Tratnyek, Wenqing Xu

Publikováno v: Environmental Science: Processes & Impacts. 25:767-780

Comparison of new (SWV) and established (MCA) electrochemical methods for characterization of redox activity of pyrogenic dissolved organic matter and natural organic matter.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac9b67a959cf1c2b2ea90b58b22d1b7d
https://doi.org/10.1039/d3em00009e

Identification of next-generation International Humic Substances Society reference materials for advancing the understanding of the role of natural organic matter in the Anthropocene

Autor: Yu-Ping Chin, Diane M. McKnight, Juliana D’Andrilli, Nicole Brooks, Kaelin Cawley, Jennifer Guerard, E. Michael Perdue, Colin A. Stedmon, Paul G. Tratnyek, Paul Westerhoff, Andrew S. Wozniak, Paul R. Bloom, Christine Foreman, Rachel Gabor, Jumanah Hamdi, Blair Hanson, Raymond M. Hozalski, Anne Kellerman, Garrett McKay, Victoria Silverman, Robert G. M. Spencer, Collin Ward, Danhui Xin, Fernando Rosario-Ortiz, Christina K. Remucal, David Reckhow

Publikováno v: Chin, Y-P, McKnight, D M, D’Andrilli, J, Brooks, N, Cawley, K, Guerard, J, Perdue, E M, Stedmon, C A, Tratnyek, P G, Westerhoff, P, Wozniak, A S, Bloom, P R, Foreman, C, Gabor, R, Hamdi, J, Hanson, B, Hozalski, R M, Kellerman, A, McKay, G, Silverman, V, Spencer, R G M, Ward, C, Xin, D, Rosario-Ortiz, F, Remucal, C K & Reckhow, D 2023, ' Identification of next-generation International Humic Substances Society reference materials for advancing the understanding of the role of natural organic matter in the Anthropocene ', Aquatic Sciences, vol. 85, 32 . https://doi.org/10.1007/s00027-022-00923-x

Many challenges remain before we can fully understand the multifaceted role that natural organic matter (NOM) plays in soil and aquatic systems. These challenges remain despite the considerable progress that has been made in understanding NOM’s pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7be3ba45ec0d07a892fc699c30b7e4df
https://doi.org/10.1007/s00027-022-00923-x

FeNX(C)-Coated Microscale Zero-Valent Iron for Fast and Stable Trichloroethylene Dechlorination in both Acidic and Basic pH Conditions

Autor: Paul G. Tratnyek, Li Gong, Xiaojiang Qiu, Chengshuai Liu, Feng He

Publikováno v: Environmental Science & Technology. 55:5393-5402

FeNX in Fe single-atom catalysts can be the active site for adsorption and activation of reactants. In addition, FeNX species have been shown to facilitate electron transfer between Fe and the carb...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c0d72ee610020d4c8d93d3e52655a19
https://doi.org/10.1021/acs.est.0c08176

Predicting Abiotic Reduction Rates Using Cryogenically Collected Soil Cores and Mediated Reduction Potential Measurements

Autor: Richard L. Johnson, C. M. Kocur, Dimin Fan, Paul G. Tratnyek

Publikováno v: Environmental Science & Technology Letters. 7:20-26

Abiotic reduction of contaminants in iron-based laboratory model systems has been studied extensively, but the resulting understanding is not sufficient to allow prediction of reaction rates under ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::418e5404866b95ca602f0e00a6f4cd21
https://doi.org/10.1021/acs.estlett.9b00665

Electrochemical Characterization of Magnetite with Agarose-Stabilized Powder Disk Electrodes and Potentiometric Methods

Autor: Paul G. Tratnyek, Miranda J. Bradley

Publikováno v: ACS Earth and Space Chemistry. 3:688-699

The mixed and variable valence of iron in magnetite (Fe(III)tet[Fe(II),Fe(III)]octO42–) give this mineral unique properties that make it an important participant in redox reactions in environmental...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10a7ac529cea2af889e69eb83cd7d221
https://doi.org/10.1021/acsearthspacechem.8b00200