Uptake and translocation of lesser-chlorinated polychlorinated biphenyls (PCBs) in whole hybrid poplar plants after hydroponic exposure.
Identifieur interne : 003765 ( Main/Exploration ); précédent : 003764; suivant : 003766Uptake and translocation of lesser-chlorinated polychlorinated biphenyls (PCBs) in whole hybrid poplar plants after hydroponic exposure.
Auteurs : Jiyan Liu [États-Unis] ; Jerald L. SchnoorSource :
- Chemosphere [ 1879-1298 ] ; 2008.
Descripteurs français
- KwdFr :
- Air (MeSH), Chimère (métabolisme), Culture hydroponique (MeSH), Dépollution biologique de l'environnement (MeSH), Normes de référence (MeSH), Polluants environnementaux (isolement et purification), Polluants environnementaux (métabolisme), Polychlorobiphényles (isolement et purification), Polychlorobiphényles (métabolisme), Populus (croissance et développement), Populus (métabolisme), Pousses de plante (métabolisme), Racines de plante (métabolisme), Sédiments géologiques (composition chimique), Tiges de plante (métabolisme).
- MESH :
- composition chimique : Sédiments géologiques.
- croissance et développement : Populus.
- isolement et purification : Polluants environnementaux, Polychlorobiphényles.
- métabolisme : Chimère, Polluants environnementaux, Polychlorobiphényles, Populus, Pousses de plante, Racines de plante, Tiges de plante.
- Air, Culture hydroponique, Dépollution biologique de l'environnement, Normes de référence.
English descriptors
- KwdEn :
- Air (MeSH), Biodegradation, Environmental (MeSH), Chimera (metabolism), Environmental Pollutants (isolation & purification), Environmental Pollutants (metabolism), Geologic Sediments (chemistry), Hydroponics (MeSH), Plant Roots (metabolism), Plant Shoots (metabolism), Plant Stems (metabolism), Polychlorinated Biphenyls (isolation & purification), Polychlorinated Biphenyls (metabolism), Populus (growth & development), Populus (metabolism), Reference Standards (MeSH).
- MESH :
- chemical , isolation & purification : Environmental Pollutants, Polychlorinated Biphenyls.
- chemistry : Geologic Sediments.
- growth & development : Populus.
- metabolism : Chimera, Environmental Pollutants, Plant Roots, Plant Shoots, Plant Stems, Polychlorinated Biphenyls, Populus.
- Air, Biodegradation, Environmental, Hydroponics, Reference Standards.
Abstract
Mono-, di-, tri-, and tetra-chlorinated polychlorinated biphenyls (PCBs) are congeners with greater volatility which remain in air, soils and sediments requiring treatment. In this study, the fate of these PCBs was investigated within whole poplar plants (Populus deltoides x nigra, DN34) with application for a treatment system such as a confined disposal facility for dredged material. Whole hybrid poplars were exposed hydroponically to a mixture of five congeners, common in the environment, having one to four chlorine atoms per molecule. Results indicated that PCB 3, 15, 28, 52, and 77 were initially sorbed to the root systems. The root concentration factor (RCF) of PCBs during the exposure was calculated and correlated with K(ow). PCB congeners were taken up by the roots of hybrid poplar, and the translocation of PCBs to stems was inversely related to congener hydrophobicity (log K(ow)). PCB 3 and 15 were translocated to the upper stem at small but significant rates. PCB 28 was translocated to the wood of the main stem but no farther; translocation from the roots was not detected for PCB 52 and 77. The distribution of PCBs within poplars was determined, and mass balances were completed to within 15% for each chemical except for PCB 3, the most volatile congener. This is the first report on the transport of PCBs through whole plants designed for use in treatment at disposal facilities.
DOI: 10.1016/j.chemosphere.2008.08.009
PubMed: 18793792
PubMed Central: PMC2668963
Affiliations:
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In this study, the fate of these PCBs was investigated within whole poplar plants (Populus deltoides x nigra, DN34) with application for a treatment system such as a confined disposal facility for dredged material. Whole hybrid poplars were exposed hydroponically to a mixture of five congeners, common in the environment, having one to four chlorine atoms per molecule. Results indicated that PCB 3, 15, 28, 52, and 77 were initially sorbed to the root systems. The root concentration factor (RCF) of PCBs during the exposure was calculated and correlated with K(ow). PCB congeners were taken up by the roots of hybrid poplar, and the translocation of PCBs to stems was inversely related to congener hydrophobicity (log K(ow)). PCB 3 and 15 were translocated to the upper stem at small but significant rates. PCB 28 was translocated to the wood of the main stem but no farther; translocation from the roots was not detected for PCB 52 and 77. The distribution of PCBs within poplars was determined, and mass balances were completed to within 15% for each chemical except for PCB 3, the most volatile congener. This is the first report on the transport of PCBs through whole plants designed for use in treatment at disposal facilities.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18793792</PMID><DateCompleted><Year>2009</Year><Month>01</Month><Day>26</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1298</ISSN><JournalIssue CitedMedium="Internet"><Volume>73</Volume><Issue>10</Issue><PubDate><Year>2008</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Chemosphere</Title><ISOAbbreviation>Chemosphere</ISOAbbreviation></Journal><ArticleTitle>Uptake and translocation of lesser-chlorinated polychlorinated biphenyls (PCBs) in whole hybrid poplar plants after hydroponic exposure.</ArticleTitle><Pagination><MedlinePgn>1608-16</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.chemosphere.2008.08.009</ELocationID><Abstract><AbstractText>Mono-, di-, tri-, and tetra-chlorinated polychlorinated biphenyls (PCBs) are congeners with greater volatility which remain in air, soils and sediments requiring treatment. In this study, the fate of these PCBs was investigated within whole poplar plants (Populus deltoides x nigra, DN34) with application for a treatment system such as a confined disposal facility for dredged material. Whole hybrid poplars were exposed hydroponically to a mixture of five congeners, common in the environment, having one to four chlorine atoms per molecule. Results indicated that PCB 3, 15, 28, 52, and 77 were initially sorbed to the root systems. The root concentration factor (RCF) of PCBs during the exposure was calculated and correlated with K(ow). PCB congeners were taken up by the roots of hybrid poplar, and the translocation of PCBs to stems was inversely related to congener hydrophobicity (log K(ow)). PCB 3 and 15 were translocated to the upper stem at small but significant rates. PCB 28 was translocated to the wood of the main stem but no farther; translocation from the roots was not detected for PCB 52 and 77. The distribution of PCBs within poplars was determined, and mass balances were completed to within 15% for each chemical except for PCB 3, the most volatile congener. This is the first report on the transport of PCBs through whole plants designed for use in treatment at disposal facilities.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Jiyan</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Department of Civil and Environmental Engineering, University of Iowa, Iowa City, Iowa 52242, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Schnoor</LastName><ForeName>Jerald L</ForeName><Initials>JL</Initials></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>P42ES13661</GrantID><Acronym>ES</Acronym><Agency>NIEHS NIH HHS</Agency><Country>United States</Country></Grant><Grant><GrantID>P42 ES013661</GrantID><Acronym>ES</Acronym><Agency>NIEHS NIH HHS</Agency><Country>United States</Country></Grant><Grant><GrantID>P42 ES013661-020005</GrantID><Acronym>ES</Acronym><Agency>NIEHS NIH HHS</Agency><Country>United States</Country></Grant><Grant><GrantID>P42 ES013661-030005</GrantID><Acronym>ES</Acronym><Agency>NIEHS NIH HHS</Agency><Country>United States</Country></Grant><Grant><GrantID>P42 ES013661-01A10005</GrantID><Acronym>ES</Acronym><Agency>NIEHS NIH HHS</Agency><Country>United States</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D052061">Research Support, N.I.H., Extramural</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2008</Year><Month>09</Month><Day>14</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Chemosphere</MedlineTA><NlmUniqueID>0320657</NlmUniqueID><ISSNLinking>0045-6535</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D004785">Environmental Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>DFC2HB4I0K</RegistryNumber><NameOfSubstance 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PubStatus="entrez"><Year>2008</Year><Month>9</Month><Day>17</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">18793792</ArticleId><ArticleId IdType="pii">S0045-6535(08)01037-0</ArticleId><ArticleId IdType="doi">10.1016/j.chemosphere.2008.08.009</ArticleId><ArticleId IdType="pmc">PMC2668963</ArticleId><ArticleId IdType="mid">NIHMS79417</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>J Chromatogr A. 2005 Oct 7;1090(1-2):1-9</Citation><ArticleIdList><ArticleId IdType="pubmed">16196129</ArticleId></ArticleIdList></Reference><Reference><Citation>Environ Health Perspect. 2001 Mar;109 Suppl 1:163-8</Citation><ArticleIdList><ArticleId IdType="pubmed">11250813</ArticleId></ArticleIdList></Reference><Reference><Citation>Toxicol Lett. 2006 Jul 1;164(2):113-22</Citation><ArticleIdList><ArticleId 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Schnoor</name></noCountry><country name="États-Unis"><region name="Iowa"><name sortKey="Liu, Jiyan" sort="Liu, Jiyan" uniqKey="Liu J" first="Jiyan" last="Liu">Jiyan Liu</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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