Particle Coating-Dependent Interaction of Molecular Weight Fractionated Natural Organic Matter: Impacts on the Aggregation of Silver Nanoparticles
Ubiquitous natural organic matter (NOM) plays an important role in the aggregation state of engineered silver nanoparticles (AgNPs) in aquatic environment, which determines the transport, transformation, and toxicity of AgNPs. As various capping agents are used as coatings for nanoparticles and NOM...
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| Veröffentlicht in: | Environmental science & technology 2015-06, Vol.49 (11), p.6581-6589 |
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| creator | Yin, Yongguang Shen, Mohai Tan, Zhiqiang Yu, Sujuan Liu, Jingfu Jiang, Guibin |
| description | Ubiquitous natural organic matter (NOM) plays an important role in the aggregation state of engineered silver nanoparticles (AgNPs) in aquatic environment, which determines the transport, transformation, and toxicity of AgNPs. As various capping agents are used as coatings for nanoparticles and NOM are natural polymer mixture with wide molecular weight (MW) distribution, probing the particle coating-dependent interaction of MW fractionated natural organic matter (Mf-NOM) with various coatings is helpful for understanding the differential aggregation and transport behavior of engineered AgNPs as well as other metal nanoparticles. In this study, we investigated the role of pristine and Mf-NOM on the aggregation of AgNPs with Bare, citrate, and PVP coating (Bare-, Cit-, and PVP-AgNP) in mono- and divalent electrolyte solutions. We observed that the enhanced aggregation or dispersion of AgNPs in NOM solution highly depends on the coating of AgNPs. Pristine NOM inhibited the aggregation of Bare-AgNPs but enhanced the aggregation of PVP-AgNPs. In addition, Mf-NOM fractions have distinguishing roles on the aggregation and dispersion of AgNPs, which also highly depend on the AgNPs coating as well as the MW of Mf-NOM. Higher MW Mf-NOM (>100 kDa and 30–100 kDa) enhanced the aggregation of PVP-AgNPs in mono- and divalent electrolyte solutions, whereas lower MW Mf-NOM (10–30 kDa, 3–10 kDa and |
| doi_str_mv | 10.1021/es5061287 |
| format | Article |
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As various capping agents are used as coatings for nanoparticles and NOM are natural polymer mixture with wide molecular weight (MW) distribution, probing the particle coating-dependent interaction of MW fractionated natural organic matter (Mf-NOM) with various coatings is helpful for understanding the differential aggregation and transport behavior of engineered AgNPs as well as other metal nanoparticles. In this study, we investigated the role of pristine and Mf-NOM on the aggregation of AgNPs with Bare, citrate, and PVP coating (Bare-, Cit-, and PVP-AgNP) in mono- and divalent electrolyte solutions. We observed that the enhanced aggregation or dispersion of AgNPs in NOM solution highly depends on the coating of AgNPs. Pristine NOM inhibited the aggregation of Bare-AgNPs but enhanced the aggregation of PVP-AgNPs. In addition, Mf-NOM fractions have distinguishing roles on the aggregation and dispersion of AgNPs, which also highly depend on the AgNPs coating as well as the MW of Mf-NOM. Higher MW Mf-NOM (>100 kDa and 30–100 kDa) enhanced the aggregation of PVP-AgNPs in mono- and divalent electrolyte solutions, whereas lower MW Mf-NOM (10–30 kDa, 3–10 kDa and <3 kDa) inhibited the aggregation of PVP-AgNPs. However, all the Mf-NOM fractions inhibited the aggregation of Bare-AgNPs. For PVP- and Bare-AgNPs, the stability of AgNPs in electrolyte solution was significantly correlated to the MW of Mf-NOM. But for Cit-AgNPs, pristine NOM and Mf-NOM has minor influence on the stability of AgNPs. These findings about significantly different roles of Mf-NOM on aggregation of engineered AgNPs with various coating are important for better understanding of the transport and subsequent transformation of AgNPs in aquatic environment.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es5061287</identifier><identifier>PMID: 25941838</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>Chemical Fractionation ; Citric Acid - chemistry ; Electrolytes ; Electrolytes - chemistry ; Environmental science ; Metal Nanoparticles - chemistry ; Molecular Weight ; Nanoparticles ; Organic Chemicals - analysis ; Particle Size ; Polymers ; Povidone - chemistry ; Silver - chemistry ; Solutions ; Spectrophotometry, Ultraviolet ; Toxicity</subject><ispartof>Environmental science & technology, 2015-06, Vol.49 (11), p.6581-6589</ispartof><rights>Copyright © 2015 American Chemical Society</rights><rights>Copyright American Chemical Society Jun 2, 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a477t-96711b8b50ca1248c7ee1a0518b67bd4e3dcec2914581180368d2fdafdffcb1c3</citedby><cites>FETCH-LOGICAL-a477t-96711b8b50ca1248c7ee1a0518b67bd4e3dcec2914581180368d2fdafdffcb1c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es5061287$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es5061287$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25941838$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yin, Yongguang</creatorcontrib><creatorcontrib>Shen, Mohai</creatorcontrib><creatorcontrib>Tan, Zhiqiang</creatorcontrib><creatorcontrib>Yu, Sujuan</creatorcontrib><creatorcontrib>Liu, Jingfu</creatorcontrib><creatorcontrib>Jiang, Guibin</creatorcontrib><title>Particle Coating-Dependent Interaction of Molecular Weight Fractionated Natural Organic Matter: Impacts on the Aggregation of Silver Nanoparticles</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Ubiquitous natural organic matter (NOM) plays an important role in the aggregation state of engineered silver nanoparticles (AgNPs) in aquatic environment, which determines the transport, transformation, and toxicity of AgNPs. As various capping agents are used as coatings for nanoparticles and NOM are natural polymer mixture with wide molecular weight (MW) distribution, probing the particle coating-dependent interaction of MW fractionated natural organic matter (Mf-NOM) with various coatings is helpful for understanding the differential aggregation and transport behavior of engineered AgNPs as well as other metal nanoparticles. In this study, we investigated the role of pristine and Mf-NOM on the aggregation of AgNPs with Bare, citrate, and PVP coating (Bare-, Cit-, and PVP-AgNP) in mono- and divalent electrolyte solutions. We observed that the enhanced aggregation or dispersion of AgNPs in NOM solution highly depends on the coating of AgNPs. Pristine NOM inhibited the aggregation of Bare-AgNPs but enhanced the aggregation of PVP-AgNPs. In addition, Mf-NOM fractions have distinguishing roles on the aggregation and dispersion of AgNPs, which also highly depend on the AgNPs coating as well as the MW of Mf-NOM. Higher MW Mf-NOM (>100 kDa and 30–100 kDa) enhanced the aggregation of PVP-AgNPs in mono- and divalent electrolyte solutions, whereas lower MW Mf-NOM (10–30 kDa, 3–10 kDa and <3 kDa) inhibited the aggregation of PVP-AgNPs. However, all the Mf-NOM fractions inhibited the aggregation of Bare-AgNPs. For PVP- and Bare-AgNPs, the stability of AgNPs in electrolyte solution was significantly correlated to the MW of Mf-NOM. But for Cit-AgNPs, pristine NOM and Mf-NOM has minor influence on the stability of AgNPs. These findings about significantly different roles of Mf-NOM on aggregation of engineered AgNPs with various coating are important for better understanding of the transport and subsequent transformation of AgNPs in aquatic environment.</description><subject>Chemical Fractionation</subject><subject>Citric Acid - chemistry</subject><subject>Electrolytes</subject><subject>Electrolytes - chemistry</subject><subject>Environmental science</subject><subject>Metal Nanoparticles - chemistry</subject><subject>Molecular Weight</subject><subject>Nanoparticles</subject><subject>Organic Chemicals - analysis</subject><subject>Particle Size</subject><subject>Polymers</subject><subject>Povidone - chemistry</subject><subject>Silver - chemistry</subject><subject>Solutions</subject><subject>Spectrophotometry, Ultraviolet</subject><subject>Toxicity</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNplkU1v1DAQhi0EokvhwB9AlhASHAKeJP5YbtXSwkotRQIEt2jiTNJUWTvYTiX-Br8Yo91WCE5zmOd9ZqSXsacgXoMo4Q1FKRSURt9jK5ClKKSRcJ-thICqWFfq-xF7FOO1EKKshHnIjkq5rsFUZsV-fcKQRjsR33hMoxuKdzST68glvnWJAto0esd9zy_8RHaZMPBvNA5XiZ8dlpio4x8xLQEnfhkGdKPlF5hy-i3f7uZMRZ4d6Yr4yTAEGvDW-XmcbijksPPz4ZH4mD3ocYr05DCP2dez0y-bD8X55fvt5uS8wFrrVKyVBmhNK4VFKGtjNRGgkGBapduupqqzZMs11NIAGFEp05V9h33X97YFWx2zl3vvHPyPhWJqdmO0NE3oyC-xAS2g1rVWdUaf_4Ne-yW4_F0DyhilZKUhU6_2lA0-xkB9M4dxh-FnA6L5U1RzV1Rmnx2MS7uj7o68bSYDL_YA2vjXtf9EvwGoo5s2</recordid><startdate>20150602</startdate><enddate>20150602</enddate><creator>Yin, Yongguang</creator><creator>Shen, Mohai</creator><creator>Tan, Zhiqiang</creator><creator>Yu, Sujuan</creator><creator>Liu, Jingfu</creator><creator>Jiang, Guibin</creator><general>American Chemical Society</general><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>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7QH</scope><scope>7UA</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20150602</creationdate><title>Particle Coating-Dependent Interaction of Molecular Weight Fractionated Natural Organic Matter: Impacts on the Aggregation of Silver Nanoparticles</title><author>Yin, Yongguang ; Shen, Mohai ; Tan, Zhiqiang ; Yu, Sujuan ; Liu, Jingfu ; Jiang, Guibin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a477t-96711b8b50ca1248c7ee1a0518b67bd4e3dcec2914581180368d2fdafdffcb1c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Chemical Fractionation</topic><topic>Citric Acid - chemistry</topic><topic>Electrolytes</topic><topic>Electrolytes - chemistry</topic><topic>Environmental science</topic><topic>Metal Nanoparticles - chemistry</topic><topic>Molecular Weight</topic><topic>Nanoparticles</topic><topic>Organic Chemicals - analysis</topic><topic>Particle Size</topic><topic>Polymers</topic><topic>Povidone - chemistry</topic><topic>Silver - chemistry</topic><topic>Solutions</topic><topic>Spectrophotometry, Ultraviolet</topic><topic>Toxicity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yin, Yongguang</creatorcontrib><creatorcontrib>Shen, Mohai</creatorcontrib><creatorcontrib>Tan, Zhiqiang</creatorcontrib><creatorcontrib>Yu, Sujuan</creatorcontrib><creatorcontrib>Liu, Jingfu</creatorcontrib><creatorcontrib>Jiang, Guibin</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yin, Yongguang</au><au>Shen, Mohai</au><au>Tan, Zhiqiang</au><au>Yu, Sujuan</au><au>Liu, Jingfu</au><au>Jiang, Guibin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Particle Coating-Dependent Interaction of Molecular Weight Fractionated Natural Organic Matter: Impacts on the Aggregation of Silver Nanoparticles</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>2015-06-02</date><risdate>2015</risdate><volume>49</volume><issue>11</issue><spage>6581</spage><epage>6589</epage><pages>6581-6589</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Ubiquitous natural organic matter (NOM) plays an important role in the aggregation state of engineered silver nanoparticles (AgNPs) in aquatic environment, which determines the transport, transformation, and toxicity of AgNPs. As various capping agents are used as coatings for nanoparticles and NOM are natural polymer mixture with wide molecular weight (MW) distribution, probing the particle coating-dependent interaction of MW fractionated natural organic matter (Mf-NOM) with various coatings is helpful for understanding the differential aggregation and transport behavior of engineered AgNPs as well as other metal nanoparticles. In this study, we investigated the role of pristine and Mf-NOM on the aggregation of AgNPs with Bare, citrate, and PVP coating (Bare-, Cit-, and PVP-AgNP) in mono- and divalent electrolyte solutions. We observed that the enhanced aggregation or dispersion of AgNPs in NOM solution highly depends on the coating of AgNPs. Pristine NOM inhibited the aggregation of Bare-AgNPs but enhanced the aggregation of PVP-AgNPs. In addition, Mf-NOM fractions have distinguishing roles on the aggregation and dispersion of AgNPs, which also highly depend on the AgNPs coating as well as the MW of Mf-NOM. Higher MW Mf-NOM (>100 kDa and 30–100 kDa) enhanced the aggregation of PVP-AgNPs in mono- and divalent electrolyte solutions, whereas lower MW Mf-NOM (10–30 kDa, 3–10 kDa and <3 kDa) inhibited the aggregation of PVP-AgNPs. However, all the Mf-NOM fractions inhibited the aggregation of Bare-AgNPs. For PVP- and Bare-AgNPs, the stability of AgNPs in electrolyte solution was significantly correlated to the MW of Mf-NOM. But for Cit-AgNPs, pristine NOM and Mf-NOM has minor influence on the stability of AgNPs. These findings about significantly different roles of Mf-NOM on aggregation of engineered AgNPs with various coating are important for better understanding of the transport and subsequent transformation of AgNPs in aquatic environment.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>25941838</pmid><doi>10.1021/es5061287</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| source | ACS Publications; MEDLINE |
| subjects | Chemical Fractionation Citric Acid - chemistry Electrolytes Electrolytes - chemistry Environmental science Metal Nanoparticles - chemistry Molecular Weight Nanoparticles Organic Chemicals - analysis Particle Size Polymers Povidone - chemistry Silver - chemistry Solutions Spectrophotometry, Ultraviolet Toxicity |
| title | Particle Coating-Dependent Interaction of Molecular Weight Fractionated Natural Organic Matter: Impacts on the Aggregation of Silver Nanoparticles |
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