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2024 | OriginalPaper | Buchkapitel

Polyamide Microplastics as Endocrine Disruptors: A Study About the Influence of Photodegradation and Sorption Mechanisms Under Distinct Environmental Context

verfasst von : Vanessa F. Fonseca, Larissa Z. Lara, Crislaine F. Bertoldi, Walter R. Waldman, Andreia N. Fernandes

Erschienen in: Microplastics and Pollutants

Verlag: Springer Nature Switzerland

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Abstract

Microplastics remain already ubiquitous in water environments, interacting and acting as vectors of several contaminants, including endocrine disrupting compounds. Consequently, it is essential to understand the interaction mechanisms between contaminants and microplastics and know possible factors that can influence this process. This study evaluated estriol (E3) sorption on pristine and degraded polyamide microplastics under the absence and presence of organic matter. The photodegradation process caused changes in the hydrophobicity of the microplastics, while the surface area and crystallinity remained unchanged over the exposure time. The data showed that E3 sorption is influenced by particle degradation due to the insertion of oxygenated groups on the polymer structural. In addition, the presence of organic matter has been shown to affect the sorption of E3 negatively. On the other hand, the kinetics showed that the process occurs in a few steps, and the sorption proportion of transfer of E3 molecules from the liquid to the solid phase is greater than the process of intraparticle diffusion. Hydrophobic interactions have been shown to play an essential role in the sorption process in pristine and degraded microplastics. At the same time, hydrogen bonds and linkages of organic matter and contaminants to the particles across bridges have also been recommended. The data demonstrate that organic matter can significantly affect the transport and sorption of E3 in the water environment and represent a risk to these ecosystems.

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Literatur
Zurück zum Zitat Fernández-González V, Andrade JM, Ferreiro B, López-Mahía P, Muniategui-Lorenzo S (2021) Monitorization of polyamide microplastics weathering using attenuated total reflectance and microreflectance infrared spectrometry. Spectrochim Acta A Mol Biomol Spectrosc:263. https://doi.org/10.1016/j.saa.2021.120162 Fernández-González V, Andrade JM, Ferreiro B, López-Mahía P, Muniategui-Lorenzo S (2021) Monitorization of polyamide microplastics weathering using attenuated total reflectance and microreflectance infrared spectrometry. Spectrochim Acta A Mol Biomol Spectrosc:263. https://​doi.​org/​10.​1016/​j.​saa.​2021.​120162
Zurück zum Zitat Ramírez-Álvarez N, Rios Mendoza LM, Macías-Zamora JV, Oregel-Vázquez L, Alvarez-Aguilar A, Hernández-Guzmán FA, Sánchez-Osorio JL, Moore CJ, Silva-Jiménez H, Navarro-Olache LF (2020) Microplastics: sources and distribution in surface waters and sediments of Todos Santos Bay, Mexico. Sci Total Environ 703. https://doi.org/10.1016/j.scitotenv.2019.134838 Ramírez-Álvarez N, Rios Mendoza LM, Macías-Zamora JV, Oregel-Vázquez L, Alvarez-Aguilar A, Hernández-Guzmán FA, Sánchez-Osorio JL, Moore CJ, Silva-Jiménez H, Navarro-Olache LF (2020) Microplastics: sources and distribution in surface waters and sediments of Todos Santos Bay, Mexico. Sci Total Environ 703. https://​doi.​org/​10.​1016/​j.​scitotenv.​2019.​134838
Zurück zum Zitat Torres NH, de Santos GOS, Romanholo Ferreira LF, Américo-Pinheiro JHP, Eguiluz KIB, Salazar-Banda GR (2021b) Environmental aspects of hormones estriol, 17β-estradiol and 17α-ethinylestradiol: electrochemical processes as next-generation technologies for their removal in water matrices. Chemosphere 267. https://doi.org/10.1016/j.chemosphere.2020.128888 Torres NH, de Santos GOS, Romanholo Ferreira LF, Américo-Pinheiro JHP, Eguiluz KIB, Salazar-Banda GR (2021b) Environmental aspects of hormones estriol, 17β-estradiol and 17α-ethinylestradiol: electrochemical processes as next-generation technologies for their removal in water matrices. Chemosphere 267. https://​doi.​org/​10.​1016/​j.​chemosphere.​2020.​128888
Metadaten
Titel
Polyamide Microplastics as Endocrine Disruptors: A Study About the Influence of Photodegradation and Sorption Mechanisms Under Distinct Environmental Context
verfasst von
Vanessa F. Fonseca
Larissa Z. Lara
Crislaine F. Bertoldi
Walter R. Waldman
Andreia N. Fernandes
Copyright-Jahr
2024
DOI
https://doi.org/10.1007/978-3-031-54565-8_7