The Zebrafish (Danio rerio) Embryo Model as a Tool to Assess Drinking Water Treatment Efficacy for Freshwater Impacted by Crude Oil Spill

Monika A. Roy; Aarthi Mohan; Yankel KarasikJohn E. TobiasonDavid A. ReckhowAlicia R. Timme‐Laragy

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The Zebrafish (Danio rerio) Embryo Model as a Tool to Assess Drinking Water Treatment Efficacy for Freshwater Impacted by Crude Oil Spill

机译：The Zebrafish (Danio rerio) Embryo Model as a Tool to Assess Drinking Water Treatment Efficacy for Freshwater Impacted by Crude Oil Spill

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Traditional approaches toward evaluating oil spill mitigation effectiveness in drinking water supplies usinganalytical chemistry can overlook residual hydrocarbons and treatment byproducts of unknown toxicity. Zebrafish (Danio rerio)were used to address this limitation by evaluating the reduction in toxicity to fish exposed to laboratory solutions of dissolvedcrude oil constituents treated with 3mg/L ozone (O_3) with or without a peroxone‐based advanced oxidation process using 0.5MH_2O_2/MO_3 or 1M H_2O_2/MO_3. Crude oil water mixtures (OWMs) were generated using three mixing protocols—orbital (OWMOrb),rapid (OWM‐Rap), and impeller (OWM‐Imp) and contained dissolved total aromatic concentrations of 106–1019 μg/L. In afirst experiment, embryos were exposed at 24 h post fertilization (hpf) to OWM‐Orb or OWM‐Rap diluted to 25–50 of fullstrengthsamples and in a second experiment, to untreated or treated OWM‐Imp mixtures at 50 dilutions. Toxicity profilesincluded body length, pericardial area, and swim bladder inflation, and these varied depending on the OWM preparation, withOWM‐Rap resulting in the most toxicity, followed by OWM‐Imp and then OWM‐Orb. Zebrafish exposed to a 50 dilution ofOWM‐Imp resulted in 6 shorter body length, 83 increased pericardial area, and no swim bladder inflation, but exposure to a50 dilution of OWM‐Imp treated with O_3 alone or with 0.5M H2O2/M O3 resulted in normal zebrafish development andaverage total aromatic destruction of 54–57. Additional aromatic removal occurred with O_3 +1M H_2O_2/M O_3 but withoutfurther attenuation of toxicity to zebrafish. This study demonstrates using zebrafish as an additional evaluation component formodeling the effectiveness of freshwater oil spill treatment methods.

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《Environmental toxicology and chemistry /》 |2022年第11期|2822-2834|共13页
作者
Monika A. Roy; Aarthi Mohan; Yankel KarasikJohn E. TobiasonDavid A. ReckhowAlicia R. Timme‐Laragy;
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作者单位

Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, Massachusetts, USA,Biotechnology Training Program, University of Massachusetts Amherst, Amherst, Massachusetts, USA;

Department of Civil and Environmental Engineering, University of Massachusetts Amherst, Amherst, Massachusetts, USA;

Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, Massachusetts, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
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关键词
Advanced oxidation processes; analytical chemistry; crude oil spill treatment; Danio rerio; development toxicity; freshwater toxicology; oil spills; toxic effects;

The Zebrafish (Danio rerio) Embryo Model as a Tool to Assess Drinking Water Treatment Efficacy for Freshwater Impacted by Crude Oil Spill

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