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2016-02

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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/165329

Textile dyes induce toxicity on zebrafish early life stages

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Recurs relacionat

https://doi.org/10.1002/etc.3202

Resum

Textile manufacturing is one of the most polluting industrial sectors because of the release of potentially toxic compounds, such as synthetic dyes, into the environment. Depending on the class of the dyes, their loss in wastewaters can range from 2% to 50% of the original dye concentration. Consequently, uncontrolled use of such dyes can negatively affect human health and the ecological balance. The present study assessed the toxicity of the textile dyes Direct Black 38 (DB38), Reactive Blue 15 (RB15), Reactive Orange 16 (RO16), and Vat Green 3 (VG3) using zebrafish (Danio rerio) embryos for 144 h postfertilization (hpf). At the tested conditions, none of the dyes caused significant mortality. The highest RO16 dose significantly delayed or inhibited the ability of zebrafish embryos to hatch from the chorion after 96 hpf. From 120 hpf to 144 hpf, all the dyes impaired the gas bladder inflation of zebrafish larvae, DB38 also induced curved tail, and VG3 led to yolk sac edema in zebrafish larvae. Based on these data, DB38, RB15, RO16, and VG3 can induce malformations during embryonic and larval development of zebrafish. Therefore, it is essential to remove these compounds from wastewater or reduce their concentrations to safe levels before discharging textile industry effluents into the aquatic environment.

Matèries

Toxicologia, Tints (Indústria tèxtil), Residus industrials, Genètica, Contaminació de l'aigua, Eliminació de residus, Malformacions, Peix zebra

Matèries (anglès)

Toxicology, Dyes, Factory and trade waste, Genetics, Water pollution, Refuse and refuse disposal, Human abnormalities, Zebra danio

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Articles publicats en revistes (Farmacologia, Toxicologia i Química Terapèutica)

Citació

RODRIGUES DE OLIVEIRA, Gisele augusto, LA PUENTE, Joaquín de, TEIXIDÓ CONDOMINES, Elisabet, PORREDÓN, Constança, BORRÀS, Miquel, PALMA DE OLIVEIRA, Danielle. Textile dyes induce toxicity on zebrafish early life stages. _Environmental Toxicology and Chemistry_. 2016. Vol. 35, núm. 2, pàgs. 429-434. [consulta: 15 de gener de 2026]. ISSN: 0730-7268. [Disponible a: https://hdl.handle.net/2445/165329]

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