Luciano Cristian Cabral, V. Roveri, F. S. Cortez, Karla Aparecida Vasconcelos Alves da Cruz, Nicolau Teixeira Ramos, F. H. Pusceddu, L. Guimarães
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引用次数: 0
Abstract
Personal care products (PCPs) are increasingly studied worldwide to better understand their ecotoxicological effects on different aquatic species. However, studies assessing their ecotoxicological effects on tropical marine aquatic organisms are still scarce. To address this information gap, this study aimed to evaluate the acute and chronic toxicity of three PCPs: Methylparaben (MP), Propylparaben (PP), and Butylhydroxytoluene (BHT) on the tropical sea urchin Echinometra lucunter. The procedures were based on the protocols established by the U.S. Environmental Protection Agency (USEPA, 2009) and the Brazilian National Standards (ABNT NBR 15350, 2012). Predictive computational tools (OPERA QSAR and VEGA QSAR) were used to evaluate the persistence/biodegradability, bioaccumulation, and mobility of PCPs. Acute exposure results showed the following ranking of toxicity: BHT (IC50 = 38.14 mg.L−1) >PP (IC50 = 73.20 mg.L−1) >MP (IC50 = 74.47 mg.L−1). Chronic toxicity tests indicated that BHT presented the lowest IC50 (6.85 mg.L−1), followed by PP (IC50 = 15.57 mg.L−1) and MP (IC50 = 20.09 mg.L−1). Additionally, in silico predictions support the findings related to the potential risks of these PCPs in aquatic ecosystems. The data obtained in this study can support future analyses of environmental risk concerning PCPs and support the establishment of concentration limits in relevant legislation.
期刊介绍:
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.