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Title: Analysis of UV filters and UV stabilisers adsorbed in microplastics from Canary islands beaches
Authors: Montesdeoca Esponda, Sarah 
Santana Viera, Sergio 
Sosa Ferrera, María Zoraida 
Santana Rodríguez, José Juan 
UNESCO Clasification: 2301 química analítica
2510 Oceanografía
331210 Plásticos
Issue Date: 2021
Project: Evaluación del impacto de microplásticos y contaminantes emergentes en las costas de la Macaronesia 
Conference: XX Meeting of the Spanish society of Chromatography and related techniques, SECYTA2021, Virtual edition, 18-19 november, 2021
Abstract: The presence of plastic and microplastic residues in the ocean is an environmental problem that has gained great attention last years. They reach to the environment from the fragmentation of larger plastics, microparticles coming from cosmetic products, synthetic fibers generated during washing laundry and resin pellets from the plastic industry lost during production [1] Apart from the damage that microplastic ingestion can exert in marine organisms, the pollutants that they can contain may involve another risk associated to these anthropogenic materials. Many organic compounds can be adsorbed onto the surface of microplastics because of their hydrophilic behavior; for example, ingredients added to personal care products such as sunscreens. Therefore, microplastics can act as vectors of pollution [2-4]. A methodology based on ultrasound-assisted extraction and ultrahigh-performance liquid chromatography with tandem mass spectrometry detection was developed and applied to determine 12 UV filters and UV stabilisers in microplastics. The analyses of samples taken in 13 sand beaches from the Canary Islands revealed the presence of 10 of the target compounds at concentrations between 1 and 4031 ng·g-1. The UV filter octocrylene highlighted for its detection frequency (85% of the samples). Although the source of the microplastic could be far away and be transported by the Canary Current, the detection of high concentrations of these compounds in coast of Canary Islands could be related with its great touristic pressure.
Source: Book of abstracts. SECYTA2021
Appears in Collections:Actas de congresos
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