Stress of Soil Moisture and Temperature Exacerbates the Toxicity of Tire Wear Particles to Soil Fauna: Tracking the Role of Additives through Host Microbiota

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 480, P. 135995 - 135995

Published: Sept. 28, 2024

Language: Английский

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Priorities to inform research on tire particles and their chemical leachates: A collective perspective

Environmental Research, Journal Year: 2024, Volume and Issue: unknown, P. 120222 - 120222

Published: Oct. 1, 2024

Language: Английский

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Aggregate Exposure Pathways for 6PPD Quinone: A Quantitative Source-to-Target Site Case Study Integrating Exposure and Human

Published: July 29, 2024

Research interest in the occurrence, distribution, fate, and toxicity of N-(1,3-Dimethylbutyl)-N’-phenyl-p-phenylenediamine (6PPD) quinone, a derivative tire amino antioxidant 6PPD urban environments, has surged. While several studies have found that quinone exhibits acute, reproductive, behavioral as well mutagenicity hepatotoxicity aquatic terrestrial animals, its environmental exposure data are fragmented lack coherence across source-to-exposure continuum, making it difficult to use for risk assessment regulatory purposes. The present work developed an aggregate pathway (AEP) framework integrate data. An AEP network was atmospheric deposition from wear Pearl River Delta, which led human exposure. research organized, visualized, evaluated with pertinent knowledge gaps identified using weight evidence assessment. Eight key states were identified, only two having high confidence levels three low levels. Empirical support transitional relationships decreased High Low source target site, indicating urgent need downstream mechanistic proposed integrated diverse research, facilitating understanding source-to-outcome development quantitative predictive models future regulation.

Language: Английский

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First Report on the Trophic Transfer and Priority List of Liquid Crystal Monomers in the Pearl River Estuary

Environmental Science & Technology, Journal Year: 2024, Volume and Issue: 58(36), P. 16131 - 16141

Published: Aug. 27, 2024

Liquid crystal monomers (LCMs) are emerging organic pollutants due to their potential persistence, toxicity, and bioaccumulation. This study first characterized the levels compositions of 19 LCMs in organisms Pearl River Estuary (PRE), estimated bioaccumulation trophic transfer potential, identified priority contaminants. were generally accumulated from sediment, LCM concentrations all ranged 32.35 1367 ng/g lipid weight. The main biphenyls analogues (BAs) (76.6%), followed by cyanobiphenyls (CBAs) (15.1%), least fluorinated (FBAs) (11.2%). most abundant BAs, FBAs, CBAs 1-(4-propylcyclohexyl)-4-vinylcyclohexane 1-ethoxy-2,3-difluoro-4-(4-(4-propylcyclohexyl) cyclohexyl) benzene (EDPBB, 10.1%), 4'-propoxy-4-biphenylcarbonitrile (5.1%), respectively. niche studies indicated that PRE food web was composed terrestrial-based diet marine chains. Most exhibited biodilution chains, except for EDPBB 4,4'-bis(4-propylcyclohexyl) biphenyl (BPCHB). hydrophobicity, position fluorine substitution LCMs, biological habits may be important factors affecting LCMs. BPCHB, 1-(prop-1-enyl)-4-(4-propylcyclohexyl) cyclohexane, as reports processes mechanisms biomonitoring PRE.

Language: Английский

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Environmental occurrence, fate, human exposure, and human health risks of p-phenylenediamines and their quinones

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 957, P. 177742 - 177742

Published: Nov. 29, 2024

Language: Английский

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