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Microplastics in seafood: Benchmark protocol for their extraction and characterization ArchiMer
Dehaut, Alexandre; Cassone, Anne-laure; Frere, Laura; Hermabessiere, Ludovic; Himber, Charlotte; Rinnert, Emmanuel; Riviere, Gilles; Lambert, Christophe; Soudant, Philippe; Huvet, Arnaud; Duflos, Guillaume; Paul-pont, Ika.
Pollution of the oceans by microplastics (<5 mm) represents a major environmental problem. To date, a limited number of studies have investigated the level of contamination of marine organisms collected in situ. For extraction and characterization of microplastics in biological samples, the crucial step is the identification of solvent(s) or chemical(s) that efficiently dissolve organic matter without degrading plastic polymers for their identification in a time and cost effective way. Most published papers, as well as OSPAR recommendations for the development of a common monitoring protocol for plastic particles in fish and shellfish at the European level, use protocols containing nitric acid to digest the biological tissues, despite reports of...
Tipo: Text Palavras-chave: Microplastics; Digestion; Method; Seafood products; Tissue; Plastic integrity.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00335/44582/44469.pdf
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Occurrence and effects of plastic additives on marine environments and organisms: A review ArchiMer
Hermabessiere, Ludovic; Dehaut, Alexandre; Paul-pont, Ika; Lacroix, Camille; Jezequel, Ronan; Soudant, Philippe; Duflos, Guillaume.
Plastics debris, especially microplastics, have been found worldwide in all marine compartments. Much research has been carried out on adsorbed pollutants on plastic pieces and hydrophobic organic compounds (HOC) associated with microplastics. However, only a few studies have focused on plastic additives. These chemicals are incorporated into plastics from which they can leach out as most of them are not chemically bound. As a consequence of plastic accumulation and fragmentation in oceans, plastic additives could represent an increasing ecotoxicological risk for marine organisms. The present work reviewed the main class of plastic additives identified in the literature, their occurrence in the marine environment, as well as their effects on and transfers...
Tipo: Text Palavras-chave: Microplastics; Plastic additives; Bisphenol A; Phthalates; Brominated flame retardant.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00391/50227/51394.pdf
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Pollution des océans par les plastiques et les microplastiques ArchiMer
Galgani, Francois; Bruzaud, Stéphane; Duflos, Guillaume; Fabre, Pascale; Casdaldi, Emmanuelle; Ghiglione, Jeff; Grimaud, Régis; George, Matthieu; Huvet, Arnaud; Lagarde, Fabienne; Paul-pont, Ika; Ter Halle, Alexandra.
Human behavior and the intensive use of plastic, combined with poor performance of management systems have led to a massive accumulation of plastic debris in the marine environment, accounting for 50 to 80 % of all marine litter. Their distribution, their fate, their degradation and their impacts stem directly from their composition and use properties. This article reviews knowledge and describes the main scientific, environmental and socio-economic issues, as well as the possible solutions needed to manage an environmental problem that has become global.
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Ano: 2020 URL: https://archimer.ifremer.fr/doc/00663/77471/79429.pdf
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Sensory and physicochemical evolution of tropical cooked peeled shrimp inoculated by Brochothrix thermosphacta and Lactococcus piscium CNCM I-4031 during storage at 8 degrees C ArchiMer
Fall, Papa-abdoulaye; Pilet, Marie-france; Leduc, Francois; Cardinal, Mireille; Duflos, Guillaume; Guerin, Camille; Joffraud, Jean-jacques; Leroi, Francoise.
This study investigated the sensory quality and physicochemical evolution (pH, glucose, l-lactic acid, biogenic amine, free amino-acids and volatile compounds) during storage at 8 °C of cooked peeled shrimp inoculated with the specific spoilage bacteria Brochothrix thermosphacta alone or mixed with the protective strain Lactococcus piscium CNCM I-4031. Growth of both bacteria was monitored at regular intervals during storage by microbial counts and the thermal temperature gradient gel electrophoresis (TTGE) technique. Bacterial counts showed that L. piscium and B. thermosphacta inoculated at 7 log CFU/g and 3 log CFU/g were well adapted to shrimp, reaching a maximum level of 9 log CFU/g after 4 days and 10 days respectively. In mixed culture, the growth of...
Tipo: Text Palavras-chave: Biopreservation; Sensory quality; Volatile compounds; Biogenic amines; Amino-acid; TTGE.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00042/15348/15630.pdf
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