Thorough Multianalytical Characterization and Quantification of Micro- and Nanoplastics from Bracciano Lake’s Sediments
Sustainability2020
56 citations
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Score: 45
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Valter Castelvetro,
Valter Castelvetro,
Valter Castelvetro,
Valter Castelvetro,
Loris Pietrelli,
Valentina Iannilli,
Andrea Corti,
Loris Pietrelli,
Loris Pietrelli,
Valentina Iannilli,
Valentina Iannilli,
Loris Pietrelli,
Valentina Iannilli,
Loris Pietrelli,
Andrea Corti,
Valentina Iannilli,
Andrea Corti,
Loris Pietrelli,
Sabrina Bianchi,
Sabrina Bianchi,
Valentina Domenici,
Loris Pietrelli,
Andrea Corti,
Valter Castelvetro,
Sabrina Bianchi,
Sabrina Bianchi,
Valter Castelvetro,
Valter Castelvetro,
Valter Castelvetro,
Andrea Corti,
Andrea Corti,
Andrea Corti,
Loris Pietrelli,
Valentina Iannilli,
Virginia Vinciguerra,
Valentina Iannilli,
Mario Cifelli,
Andrea Corti,
Virginia Vinciguerra
Andrea Corti,
Sabrina Bianchi,
Andrea Corti,
Sabrina Bianchi,
Loris Pietrelli,
Andrea Corti,
Andrea Corti,
Andrea Corti,
Sabrina Bianchi,
Valentina Iannilli,
Valentina Iannilli,
Valentina Iannilli,
Valentina Iannilli,
Valentina Iannilli,
Andrea Corti,
Loris Pietrelli,
Andrea Corti,
Andrea Corti,
Antonella Manariti,
Loris Pietrelli,
Sabrina Bianchi,
Sabrina Bianchi,
Sabrina Bianchi,
Valentina Iannilli,
Valter Castelvetro,
Valter Castelvetro,
Antonella Manariti,
Loris Pietrelli,
Valter Castelvetro,
Loris Pietrelli,
Andrea Corti,
Loris Pietrelli,
Loris Pietrelli,
Loris Pietrelli,
Valentina Iannilli,
Valentina Iannilli,
Valentina Iannilli,
Andrea Corti,
Andrea Corti,
Andrea Corti,
Valter Castelvetro,
Antonella Petri,
Antonella Manariti,
Andrea Corti,
Loris Pietrelli,
Andrea Corti,
Andrea Corti,
Valter Castelvetro,
Valter Castelvetro,
Antonella Manariti,
Antonella Manariti,
Antonella Manariti,
Virginia Vinciguerra,
Virginia Vinciguerra,
Virginia Vinciguerra,
Virginia Vinciguerra
Virginia Vinciguerra
Virginia Vinciguerra
Andrea Corti,
Sabrina Bianchi,
Virginia Vinciguerra,
Sabrina Bianchi,
Virginia Vinciguerra,
Virginia Vinciguerra
Valter Castelvetro,
Valter Castelvetro,
Sabrina Bianchi,
Valter Castelvetro,
Loris Pietrelli,
Sabrina Bianchi,
Andrea Corti,
Loris Pietrelli,
Valter Castelvetro,
Antonella Manariti,
Virginia Vinciguerra
Valter Castelvetro,
Virginia Vinciguerra,
Valter Castelvetro,
Valter Castelvetro,
Virginia Vinciguerra
Valter Castelvetro,
Virginia Vinciguerra,
Virginia Vinciguerra,
Virginia Vinciguerra
Virginia Vinciguerra
Valentina Domenici,
Antonella Petri,
Andrea Corti,
Andrea Corti,
Valter Castelvetro,
Valter Castelvetro,
Valter Castelvetro,
Loris Pietrelli,
Valter Castelvetro,
Antonella Manariti,
Valter Castelvetro,
Valter Castelvetro,
Valter Castelvetro,
Mario Cifelli,
Valter Castelvetro,
Virginia Vinciguerra
Loris Pietrelli,
Virginia Vinciguerra,
Loris Pietrelli,
Valentina Domenici,
Valter Castelvetro,
Valter Castelvetro,
Andrea Corti,
Valter Castelvetro,
Valter Castelvetro,
Virginia Vinciguerra,
Virginia Vinciguerra
Summary
Researchers applied a novel multianalytical approach to detect and quantify microplastics smaller than 2 mm in sediments from Lake Bracciano, a volcanic lake in Italy. The study combined multiple spectroscopic and microscopic techniques to provide thorough characterization of microplastic abundance, morphology, and polymer composition.
Lake basins can behave as accumulators of microplastics released in wastewaters as such or resulting from degradation of larger items before and/or during their journey toward the marine environment as a final sink. A novel multianalytical approach was adopted for the detection and quantification of microplastics with size < 2 mm in the sediments of the volcanic lake of Bracciano, Italy. Simple analytical techniques such as solvent extraction/fractionation (for polyolefins and polystyrene) or depolymerization (for polyethylene terephthalate, PET), along with chromatographic detection (SEC and HPLC), allowed quantitative and qualitative determination of the main synthetic polymer contaminants. In particular, PET microplastic concentrations of 0.8–36 ppm were found, with variability related to the sampling site (exposure to incoming winds and wave action). Proton Nuclear Magnetic Resonance (1H-NMR) and Attenuated Total Reflectance Fourier Transformed InfraRed (ATR-FTIR spectroscopic investigations supported the identification and chemical characterization of plastic fragments and polymer extracts. The average molecular weight of solvent extractable polymers was evaluated from 2D 1H-NMR diffusion ordered spectroscopy (DOSY) experiments. The proposed, easily accessible multianalytical approach can be considered as a useful tool for improving our knowledge on the nature and the concentration of microplastics in sediments, giving insights on the impact of human activities on the health status of aquatic ecosystems.