{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T17:46:04Z","timestamp":1788284764019,"version":"build-2803163510"},"reference-count":44,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2022,11,7]],"date-time":"2022-11-07T00:00:00Z","timestamp":1667779200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"},{"start":{"date-parts":[[2022,12,13]],"date-time":"2022-12-13T00:00:00Z","timestamp":1670889600000},"content-version":"vor","delay-in-days":36,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Department of Defense-SERDP (Strategic Environmental Research and Development Program), USA","award":["ER-19-1054"],"award-info":[{"award-number":["ER-19-1054"]}]}],"content-domain":{"domain":["setac.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Environmental release of 2,4-dinitroanisole (DNAN) and 3-nitro-1,2,4-triazol-5-one (NTO) is of great concern due to high migration potential in the environment. In the present study we evaluated the adsorption and microbially-mediated removal kinetics of dissolved DNAN and NTO in contrasting freshwater sediments with different total organic carbon (TOC) content. River sand (low TOC), pond silt (high TOC), clay-rich lake sediment (low TOC), wetland silt (high TOC), carbonate sand (low TOC), and iron-rich clay (low TOC) were evaluated. Separate abiotic and biotic bench-top sediment slurry incubations were carried out at 23, 15, and 4\u2009\u00b0C for DNAN and NTO. Experiments were conducted over 3 weeks. Time series aqueous samples and sediment samples collected at the end of the experiment were analyzed for DNAN and NTO concentrations. The DNAN compound equilibrated with sediment within the first 2\u2009h after addition whereas NTO showed no adsorption. 2,4-Dinitroanisole adsorbed more onto fine-grained organic-rich sediments (Kd\u2009=\u20092\u201340\u2009L\u2009kg\u22121\u2009sed\u22121) than coarse-grained organic-poor sediments (Kd\u2009=\u20090.2\u20130.6\u2009L\u2009kg\u22121\u2009sed\u22121), and the TOC content and cation exchange capacity of sediment were reliable predictors for abiotic DNAN adsorption. Adsorption rate constants and equilibrium partitioning constants for DNAN were inversely proportional to temperature in all sediment types. The biotic removal half-life of DNAN was faster (t1\/2\u2009=\u20090.1\u201358\u2009h) than that of NTO (t1\/2\u2009=\u20095\u2013347\u2009h) in all sediment slurries. Biotic removal rates (t1\/2\u2009=\u20090.1\u201358\u2009h) were higher than abiotic rates (t1\/2\u2009=\u20090.3\u2013107\u2009h) for DNAN at 23\u2009\u00b0C. Smaller grain size coupled with higher TOC content enhanced biotic NTO and DNAN removal in freshwater environments. Environ Toxicol Chem 2023;42:46\u201359. \u00a9 2022 SETAC<\/jats:p>","DOI":"10.1002\/etc.5509","type":"journal-article","created":{"date-parts":[[2022,11,7]],"date-time":"2022-11-07T14:29:05Z","timestamp":1667831345000},"page":"46-59","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Adsorption and Removal Kinetics of 2,4-Dinitroanisole and Nitrotriazolone in Contrasting Freshwater Sediments: Batch Study"],"prefix":"10.1093","volume":"42","author":[{"given":"Thivanka","family":"Ariyarathna","sequence":"first","affiliation":[{"name":"Department of Environmental Sciences Rowan University Glassboro New Jersey USA"},{"name":"Department of Marine Sciences University of Connecticut Groton Connecticut USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sydney","family":"Twarz","sequence":"additional","affiliation":[{"name":"Department of Marine Sciences University of Connecticut Groton Connecticut USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Craig","family":"Tobias","sequence":"additional","affiliation":[{"name":"Department of Marine Sciences University of Connecticut Groton Connecticut USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2022,11,7]]},"reference":[{"key":"2025010313380551700_etc5509-bib-0001","doi-asserted-by":"crossref","first-page":"1170","DOI":"10.1002\/etc.3666","article-title":"Biodegradation and mineralization of isotopically labeled TNT and RDX in anaerobic marine sediments","volume":"36","author":"Ariyarathna","year":"2017","journal-title":"Environmental Toxicology and Chemistry"},{"key":"2025010313380551700_etc5509-bib-0002","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1002\/etc.3149","article-title":"Sorption kinetics of TNT and RDX in anaerobic freshwater and marine sediments: Batch 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