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Role of nanoporosity and hydrophobicity in sequestration and bioavailability: Tests with model solids
DC Field | Value | Language |
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dc.contributor.author | Nam, Kyoungphile | - |
dc.contributor.author | Alexander, Martin | - |
dc.date.accessioned | 2024-08-08T01:52:02Z | - |
dc.date.available | 2024-08-08T01:52:02Z | - |
dc.date.created | 2023-08-31 | - |
dc.date.created | 2023-08-31 | - |
dc.date.issued | 1998-01 | - |
dc.identifier.citation | Environmental Science & Technology, Vol.32 No.1, pp.71-74 | - |
dc.identifier.issn | 0013-936X | - |
dc.identifier.uri | https://hdl.handle.net/10371/208820 | - |
dc.description.abstract | Phenanthrene was rapidly and extensively mineralized by a bacterium in the presence of glass or polystyrene beads with no pores, silica beads with 2.5-15 nm pores, 3-aminopropyl-bonded silica beads with 6-nm pores, and diatomite beads with 5.4 mu m pores. These beads sorbed 10-99% of the compound in 15 h, but 48-100% of the sorbed hydrocarbon was desorbed in 240 h. Although little phenanthrene was desorbed from octadecyl-bonded silica beads with 6-nm pores, the hydrocarbon was rapidly and extensively degraded. In contrast, the bacterium mineralized <7% of the phenanthrene sorbed to polystyrene beads with 5- or 300-400-nm pores, and little of the compound was desorbed. These findings are consistent with the hypothesis that sequestration and reduced bioavailability occur when hydrophobic compounds enter into nanopores having hydrophobic surfaces. | - |
dc.language | 영어 | - |
dc.publisher | American Chemical Society | - |
dc.title | Role of nanoporosity and hydrophobicity in sequestration and bioavailability: Tests with model solids | - |
dc.type | Article | - |
dc.identifier.doi | 10.1021/es9705304 | - |
dc.citation.journaltitle | Environmental Science & Technology | - |
dc.identifier.wosid | 000071284200032 | - |
dc.identifier.scopusid | 2-s2.0-0031597125 | - |
dc.citation.endpage | 74 | - |
dc.citation.number | 1 | - |
dc.citation.startpage | 71 | - |
dc.citation.volume | 32 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Nam, Kyoungphile | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | ORGANIC-CHEMICALS | - |
dc.subject.keywordPlus | GRASSLAND SOILS | - |
dc.subject.keywordPlus | CARBON | - |
dc.subject.keywordPlus | MINERALIZATION | - |
dc.subject.keywordPlus | PERSISTENCE | - |
dc.subject.keywordPlus | SEDIMENTS | - |
dc.subject.keywordPlus | SORPTION | - |
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