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Assessing the Transport of Nanoplastics in Freshwater sources and their Detection via Nanosorption Approach

Descrizione del progetto

Tracciare l’inquinamento da nanoplastica per proteggere i sistemi di acqua dolce

Invisibili e persistenti, le particelle di plastica di dimensioni nanometriche stanno inquinando le fonti di acqua dolce in tutto il mondo: a differenza delle microplastiche più grandi, questi minuscoli inquinanti scivolano facilmente dal suolo ai fiumi, secondo percorsi impatti ambientali tuttora poco conosciuti. Sostenuto dal programma di azioni Marie Skłodowska-Curie, il progetto NanoplastSorption creerà nanomateriali avanzati a base di carbonio dalla lignina, rivestiti di acido politannico, al fine di catturare e rilevare più efficacemente le nanoplastiche. Analizzando le caratteristiche e il movimento delle nanoplastiche vecchie e nuove, il progetto identifica le zone chiave di accumulo e i meccanismi di trasporto, nell’ambito di una ricerca che offre nuove conoscenze per monitorare l’inquinamento da nanoplastica in maniera migliore e proteggere gli ecosistemi d’acqua dolce da questa minaccia emergente.

Obiettivo

"Human exposure to plastics is increasingly recognized as a global environmental threat, primarily due to the invisible and persistent accumulation of its residual content in freshwater sources. While a wealth of studies was still focused on investigating the ecological concerns of microplastics, the highly transformative nature of plastics began to increase the concentrations of nano-sized plastic particles (< 1 µm) in the environment. It is hypothesized that the recalcitrant nature of the nanoplastics facilitates their continuous migration from soil into river systems, leading to their introduction into the food cycle. Indeed, the estimates of nanoplastic leakage from soil to freshwater sources are still considered a missing link in the scientific community. Therefore, there is a high need to establish the mechanisms behind the fate and transport of nanoplastics in freshwater sources by identifying the major hotspots of its accumulation.
The research project ""NanoplastSorption"", is based on the development of carbon-based nanomaterials (CNMs) using lignin as the primary carbon source and polytannic acid as a coating agent. The integration of polytannic acid as a hybridizing material with CNMs enhances their sorption efficiency for both cationic and anionic nanoplastic residues, thereby improving detection potential of CNMs. The study involved an initial assessment of the physicochemical properties and morphological characteristics of aged and unaged nanoplastic particles and subsequently their transport under diverse environmental, hydrological, and biogeochemical conditions. Further, the study utilized fluorescent surface-functionalized CNMs to detect and quantify both aged and unaged nanoplastics particles accumulated in distinct soil and water strata throughout their transport process. This interdisciplinary approach aims to advance the current understanding of nanoplastics by offering robust evidence of their transport and behavior in freshwater ecosystems.
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Campo scientifico (EuroSciVoc)

Parole chiave

Programma(i)

Argomento(i)

Meccanismo di finanziamento

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Invito a presentare proposte

(si apre in una nuova finestra) HORIZON-MSCA-2024-PF-01

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Coordinatore

THE UNIVERSITY OF BIRMINGHAM
Contributo netto dell'UE
€ 260 347,92
Indirizzo
Edgbaston
B15 2TT Birmingham
Regno Unito
Regione
West Midlands (England) West Midlands Birmingham
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
Nessun dato

Partner (1)