Analyzing the toxicity of bisphenol-A to microalgae for ecotoxicological applications.
Environ Monit Assess
; 192(1): 8, 2019 Dec 03.
Article
en En
| MEDLINE
| ID: mdl-31797148
Bisphenol-A (BPA) is a chemical used in the production of polycarbonate plastic and epoxy resins that may be related to the occurrence of human endocrine disorders. The present study aims to indicate a microalgae for use in ecotoxicological tests concerning BPA contamination of aquatic environments by analyzing its toxicity for the freshwater species Pseudokirchneriella subcapitata, and the two marine species Tetraselmis chuii and Skeletonema costatum. The standardization of the test involved determination of suitable nominal concentrations of BPA and the most appropriate species for use as biomarkers. S. costatum and P. subcapitata demonstrated resistance to BPA, features that are not of interest for toxicity markers. T. chuii presented an adequate sensitivity to BPA, compatible with parameters used in human toxicology for this substance, and is indicated as a potential biomarker for the presence of BPA in marine environments. The IC50 of T. chuii was 2.5 µM with R2 = 0.9, indicating reliability to demonstrate that low concentrations of BPA has significant toxicity to this species.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Fenoles
/
Contaminantes Químicos del Agua
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Compuestos de Bencidrilo
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Ecotoxicología
/
Microalgas
Idioma:
En
Revista:
Environ Monit Assess
Asunto de la revista:
SAUDE AMBIENTAL
Año:
2019
Tipo del documento:
Article
País de afiliación:
Brasil
Pais de publicación:
Países Bajos