Microplastics on plankton samples: Multiple digestion techniques assessment based on weight, size, and FTIR spectroscopy analyses
Digestion protocols are needed to determine microplastics abundance and features. This study assessed the organic matter (OM) digestion efficiency on plankton samples and the MPs' weight, size, and polymer changes under different digestion techniques. For this, 2-step (KOH and H2O2 + Fe2+) and...
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| Veröffentlicht in: | Marine pollution bulletin 2021-12, Vol.173 (Pt A), p.113027-113027, Article 113027 |
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| creator | Alfonso, María B. Takashima, Kayoko Yamaguchi, Sayaka Tanaka, Mie Isobe, Atsuhiko |
| description | Digestion protocols are needed to determine microplastics abundance and features. This study assessed the organic matter (OM) digestion efficiency on plankton samples and the MPs' weight, size, and polymer changes under different digestion techniques. For this, 2-step (KOH and H2O2 + Fe2+) and 3-step (2-step and enzymes) digestion techniques were assessed under different duration and temperature conditions. The results obtained for OM digestion with 2-step and 3-step techniques were satisfactory. Weight changes were registered for polyethylene terephthalate (PET), polystyrene foam, polyvinyl chloride, and polycarbonate with 2-step digestion, but with inconsistent values. Significant size changes were registered only for PET applying 2-step digestion techniques at 60 °C. Using 40 °C for 72 h prevailed all polymers from size changes. Polyethylene weathered MPs were also preserved, including an enzymatic step. Polymer fingerprints were not affected by any digestion technique. Based on these results, any method applying high temperatures will damage MPs.
•Organic matter digestion efficiency was assessed on rich plankton samples.•Microplastics (MPs) weight, size, and polymer fingerprint changes were analyzed.•The best performance was obtained with 2-step digestion (KOH and H2O2).•KOH at low temperatures 40 °C did not damage virgin MPs.•Weathered polyethylene was preserved adding enzymatic digestion. |
| doi_str_mv | 10.1016/j.marpolbul.2021.113027 |
| format | Article |
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•Organic matter digestion efficiency was assessed on rich plankton samples.•Microplastics (MPs) weight, size, and polymer fingerprint changes were analyzed.•The best performance was obtained with 2-step digestion (KOH and H2O2).•KOH at low temperatures 40 °C did not damage virgin MPs.•Weathered polyethylene was preserved adding enzymatic digestion.</description><identifier>ISSN: 0025-326X</identifier><identifier>EISSN: 1879-3363</identifier><identifier>DOI: 10.1016/j.marpolbul.2021.113027</identifier><identifier>PMID: 34627037</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Analytical methods ; Digestion ; Environmental Monitoring ; FTIR ; High temperature ; Hydrogen Peroxide ; Iron ; Microplastics ; Organic matter ; Plankton ; Plastic ; Plastic pollution ; Plastics ; Pollution ; Polycarbonate ; Polyethylene ; Polyethylene terephthalate ; Polymers ; Polystyrene ; Polystyrene resins ; Polyvinyl chloride ; Spectroscopy, Fourier Transform Infrared ; Water Pollutants, Chemical - analysis ; Weight</subject><ispartof>Marine pollution bulletin, 2021-12, Vol.173 (Pt A), p.113027-113027, Article 113027</ispartof><rights>2021 The Authors</rights><rights>Copyright © 2021 The Authors. Published by Elsevier Ltd.. All rights reserved.</rights><rights>Copyright Elsevier BV Dec 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c448t-ee488fbdf6a43fc59776afc8573aa546d843515865689d1ce5ff0e00db1bf8123</citedby><cites>FETCH-LOGICAL-c448t-ee488fbdf6a43fc59776afc8573aa546d843515865689d1ce5ff0e00db1bf8123</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0025326X21010614$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34627037$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Alfonso, María B.</creatorcontrib><creatorcontrib>Takashima, Kayoko</creatorcontrib><creatorcontrib>Yamaguchi, Sayaka</creatorcontrib><creatorcontrib>Tanaka, Mie</creatorcontrib><creatorcontrib>Isobe, Atsuhiko</creatorcontrib><title>Microplastics on plankton samples: Multiple digestion techniques assessment based on weight, size, and FTIR spectroscopy analyses</title><title>Marine pollution bulletin</title><addtitle>Mar Pollut Bull</addtitle><description>Digestion protocols are needed to determine microplastics abundance and features. This study assessed the organic matter (OM) digestion efficiency on plankton samples and the MPs' weight, size, and polymer changes under different digestion techniques. For this, 2-step (KOH and H2O2 + Fe2+) and 3-step (2-step and enzymes) digestion techniques were assessed under different duration and temperature conditions. The results obtained for OM digestion with 2-step and 3-step techniques were satisfactory. Weight changes were registered for polyethylene terephthalate (PET), polystyrene foam, polyvinyl chloride, and polycarbonate with 2-step digestion, but with inconsistent values. Significant size changes were registered only for PET applying 2-step digestion techniques at 60 °C. Using 40 °C for 72 h prevailed all polymers from size changes. Polyethylene weathered MPs were also preserved, including an enzymatic step. Polymer fingerprints were not affected by any digestion technique. Based on these results, any method applying high temperatures will damage MPs.
•Organic matter digestion efficiency was assessed on rich plankton samples.•Microplastics (MPs) weight, size, and polymer fingerprint changes were analyzed.•The best performance was obtained with 2-step digestion (KOH and H2O2).•KOH at low temperatures 40 °C did not damage virgin MPs.•Weathered polyethylene was preserved adding enzymatic digestion.</description><subject>Analytical methods</subject><subject>Digestion</subject><subject>Environmental Monitoring</subject><subject>FTIR</subject><subject>High temperature</subject><subject>Hydrogen Peroxide</subject><subject>Iron</subject><subject>Microplastics</subject><subject>Organic matter</subject><subject>Plankton</subject><subject>Plastic</subject><subject>Plastic pollution</subject><subject>Plastics</subject><subject>Pollution</subject><subject>Polycarbonate</subject><subject>Polyethylene</subject><subject>Polyethylene terephthalate</subject><subject>Polymers</subject><subject>Polystyrene</subject><subject>Polystyrene resins</subject><subject>Polyvinyl chloride</subject><subject>Spectroscopy, Fourier Transform Infrared</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Weight</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkctuFDEQRS0EIpOQXwBLbFikBz_aj2EXRQlESoSEgpSd5barEw_9oqubaLLjz3FrQhZsWLlkn7pVvpeQd5ytOeP643bd-nHom2pu1oIJvuZcMmFekBW3ZlNIqeVLsmJMqEIKfXtADhG3jDEjDH9NDmSphWHSrMjv6xTGfmg8Tikg7Tua6-7HlAv07dAAfqLXczOlXNKY7iBz-W2CcN-lnzMg9YiA2EI30cojxEXjAdLd_XRCMT3CCfVdpBc3l98oDhCmscfQD7t865tdbn1DXtW-QTh-Oo_I94vzm7MvxdXXz5dnp1dFKEs7FQCltXUVa-1LWQe1MUb7OlhlpPeq1NGWUnFltdJ2E3kAVdcMGIsVr2rLhTwiH_a6w9gvi0-uTRigyd-FfkYnlGV6UwqpMvr-H3Tbz2PeN1NaWMsNN4ug2VPZQMQRajeMKceyc5y5JSW3dc8puSUlt08pd7590p-rFuJz399YMnC6ByAb8ivB6DAk6ALENGYLXezTf4f8AU1nqdE</recordid><startdate>202112</startdate><enddate>202112</enddate><creator>Alfonso, María B.</creator><creator>Takashima, Kayoko</creator><creator>Yamaguchi, Sayaka</creator><creator>Tanaka, Mie</creator><creator>Isobe, Atsuhiko</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>6I.</scope><scope>AAFTH</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7TV</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope></search><sort><creationdate>202112</creationdate><title>Microplastics on plankton samples: Multiple digestion techniques assessment based on weight, size, and FTIR spectroscopy analyses</title><author>Alfonso, María B. ; Takashima, Kayoko ; Yamaguchi, Sayaka ; Tanaka, Mie ; Isobe, Atsuhiko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c448t-ee488fbdf6a43fc59776afc8573aa546d843515865689d1ce5ff0e00db1bf8123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Analytical methods</topic><topic>Digestion</topic><topic>Environmental Monitoring</topic><topic>FTIR</topic><topic>High temperature</topic><topic>Hydrogen Peroxide</topic><topic>Iron</topic><topic>Microplastics</topic><topic>Organic matter</topic><topic>Plankton</topic><topic>Plastic</topic><topic>Plastic pollution</topic><topic>Plastics</topic><topic>Pollution</topic><topic>Polycarbonate</topic><topic>Polyethylene</topic><topic>Polyethylene terephthalate</topic><topic>Polymers</topic><topic>Polystyrene</topic><topic>Polystyrene resins</topic><topic>Polyvinyl chloride</topic><topic>Spectroscopy, Fourier Transform Infrared</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Weight</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Alfonso, María B.</creatorcontrib><creatorcontrib>Takashima, Kayoko</creatorcontrib><creatorcontrib>Yamaguchi, Sayaka</creatorcontrib><creatorcontrib>Tanaka, Mie</creatorcontrib><creatorcontrib>Isobe, Atsuhiko</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Alfonso, María B.</au><au>Takashima, Kayoko</au><au>Yamaguchi, Sayaka</au><au>Tanaka, Mie</au><au>Isobe, Atsuhiko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microplastics on plankton samples: Multiple digestion techniques assessment based on weight, size, and FTIR spectroscopy analyses</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2021-12</date><risdate>2021</risdate><volume>173</volume><issue>Pt A</issue><spage>113027</spage><epage>113027</epage><pages>113027-113027</pages><artnum>113027</artnum><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>Digestion protocols are needed to determine microplastics abundance and features. This study assessed the organic matter (OM) digestion efficiency on plankton samples and the MPs' weight, size, and polymer changes under different digestion techniques. For this, 2-step (KOH and H2O2 + Fe2+) and 3-step (2-step and enzymes) digestion techniques were assessed under different duration and temperature conditions. The results obtained for OM digestion with 2-step and 3-step techniques were satisfactory. Weight changes were registered for polyethylene terephthalate (PET), polystyrene foam, polyvinyl chloride, and polycarbonate with 2-step digestion, but with inconsistent values. Significant size changes were registered only for PET applying 2-step digestion techniques at 60 °C. Using 40 °C for 72 h prevailed all polymers from size changes. Polyethylene weathered MPs were also preserved, including an enzymatic step. Polymer fingerprints were not affected by any digestion technique. Based on these results, any method applying high temperatures will damage MPs.
•Organic matter digestion efficiency was assessed on rich plankton samples.•Microplastics (MPs) weight, size, and polymer fingerprint changes were analyzed.•The best performance was obtained with 2-step digestion (KOH and H2O2).•KOH at low temperatures 40 °C did not damage virgin MPs.•Weathered polyethylene was preserved adding enzymatic digestion.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>34627037</pmid><doi>10.1016/j.marpolbul.2021.113027</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Analytical methods Digestion Environmental Monitoring FTIR High temperature Hydrogen Peroxide Iron Microplastics Organic matter Plankton Plastic Plastic pollution Plastics Pollution Polycarbonate Polyethylene Polyethylene terephthalate Polymers Polystyrene Polystyrene resins Polyvinyl chloride Spectroscopy, Fourier Transform Infrared Water Pollutants, Chemical - analysis Weight |
| title | Microplastics on plankton samples: Multiple digestion techniques assessment based on weight, size, and FTIR spectroscopy analyses |
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