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20231226062043.0 |
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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c03237
|2 doi
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|a pubmed24n1181.xml
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|a (DE-627)NLM354361376
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|a (NLM)36930733
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Schvartz, Marion
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Role of the Protein Corona in the Colloidal Behavior of Microplastics
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1 |
|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 29.03.2023
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|a Date Revised 12.04.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Microparticles of polyethylene and polypropylene are largely found in aquatic environments because they are the most produced and persistent plastic materials. Once in biological media, they are covered by a layer of molecules, the so-called corona, mostly composed of proteins. A yeast protein extract from Saccharomyces cerevisiae was used as a protein system to observe interactions in complex biological media. Proteins, acting as surfactants and providing hydrophilic surfaces, allow the dispersion of highly hydrophobic particles in water and stabilize them. After 24 h, the microplastic quantity was up to 1 × 1011 particles per liter, whereas without protein, no particles remained in solution. Label-free imaging of the protein corona by synchrotron radiation deep UV fluorescence microscopy (SR-DUV) was performed. In situ images of the protein corona were obtained, and the adsorbed protein quantity, the coverage rate, and the corona heterogeneity were determined. The stability kinetics of the microplastic suspensions were measured by light transmission using a Turbiscan analyzer. Together, the microscopic and kinetics results demonstrate that the protein corona can very efficiently stabilize microplastics in solution provided that the protein corona quality is sufficient. Microplastic stability depends on different parameters such as the particle's intrinsic properties (size, density, hydrophobicity) and the protein corona formation that changes the particle wettability, electrostatic charge, and steric hindrance. By controlling these parameters with proteins, it becomes possible to keep microplastics in and out of solution, paving the way for applications in the field of microplastic pollution control and remediation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Microplastics
|2 NLM
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| 650 |
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|a Plastics
|2 NLM
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| 650 |
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|a Protein Corona
|2 NLM
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| 650 |
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7 |
|a Polypropylenes
|2 NLM
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| 650 |
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|a Water
|2 NLM
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| 650 |
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7 |
|a 059QF0KO0R
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 700 |
1 |
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|a Saudrais, Florent
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Devineau, Stéphanie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chédin, Stéphane
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jamme, Frédéric
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leroy, Jocelyne
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rakotozandriny, Karol
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Taché, Olivier
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Brotons, Guillaume
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pin, Serge
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Boulard, Yves
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Renault, Jean-Philippe
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 12 vom: 28. März, Seite 4291-4303
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:39
|g year:2023
|g number:12
|g day:28
|g month:03
|g pages:4291-4303
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|u http://dx.doi.org/10.1021/acs.langmuir.2c03237
|3 Volltext
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|d 39
|j 2023
|e 12
|b 28
|c 03
|h 4291-4303
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