The potential for phytoremediation of iron cyanide complex by willows.
Identifieur interne : 001B26 ( Main/Exploration ); précédent : 001B25; suivant : 001B27The potential for phytoremediation of iron cyanide complex by willows.
Auteurs : Xiao-Zhang Yu [République populaire de Chine] ; Pu-Hua Zhou ; Yong-Miao YangSource :
- Ecotoxicology (London, England) [ 0963-9292 ] ; 2006.
Descripteurs français
- KwdFr :
- Dépollution biologique de l'environnement (MeSH), Feuilles de plante (MeSH), Hexacyanoferrates II (composition chimique), Hexacyanoferrates II (pharmacocinétique), Humains (MeSH), Polluants du sol (composition chimique), Polluants du sol (pharmacocinétique), Racines de plante (MeSH), Salix (métabolisme), Tiges de plante (MeSH).
- MESH :
- composition chimique : Hexacyanoferrates II, Polluants du sol.
- métabolisme : Salix.
- pharmacocinétique : Hexacyanoferrates II, Polluants du sol.
- Dépollution biologique de l'environnement, Feuilles de plante, Humains, Racines de plante, Tiges de plante.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Ferrocyanides, Soil Pollutants.
- chemical , pharmacokinetics : Ferrocyanides, Soil Pollutants.
- metabolism : Salix.
- Biodegradation, Environmental, Humans, Plant Leaves, Plant Roots, Plant Stems.
Abstract
Hybrid willows (Salix matsudana Koidz x Salix alba L.), weeping willows (Salix babylonica L.) and hankow willows (Salix matsudana Koidz) were exposed to potassium ferrocyanide to determine the potential of these plants to extract, transport and metabolize this iron cyanide complex. Young rooted cuttings were grown in hydroponic solution at 24.0 +/- 0.5 degrees C for 144 h. Ferrocyanide in solution, air, and aerial tissues of plants was analyzed spectrophotometrically. Uptake of ferrocyanide from the aqueous solution by plants was evident for all treatments and varied with plant species, ranging from 8.64 to 15.67% of initial mass. The uptake processes observed from hydroponic solution showed exponential disappearance kinetics. Very little amounts of the applied ferrocyanide were detected in all parts of plant materials, confirming passage of ferrocyanide through the plants. No ferrocyanide in air was found due to plant transpiration. Mass balance analysis showed that a large fraction of the reduction of initial mass in hydroponic solution was metabolized during transport within the plant materials. The difference in the metabolic rate of ferrocyanide between the three plant species was comparably small, indicating transport of ferrocyanide from hydroponic solution to plant materials and further transport within plant materials was a limiting step for assimilating this iron cyanide complex. In conclusion, phytoremediation of ferrocyanide by the plants tested in this study has potential field application.
DOI: 10.1007/s10646-006-0081-5
PubMed: 16703454
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Yu, Xiao Zhang" sort="Yu, Xiao Zhang" uniqKey="Yu X" first="Xiao-Zhang" last="Yu">Xiao-Zhang Yu</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Environmental Science, Hunan Agricultural University, Changsha 410128, Hunan, PR China. yuxiaozhang@hotmail.com</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Department of Environmental Science, Hunan Agricultural University, Changsha 410128, Hunan</wicri:regionArea>
<wicri:noRegion>Hunan</wicri:noRegion>
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<author><name sortKey="Zhou, Pu Hua" sort="Zhou, Pu Hua" uniqKey="Zhou P" first="Pu-Hua" last="Zhou">Pu-Hua Zhou</name>
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<author><name sortKey="Yang, Yong Miao" sort="Yang, Yong Miao" uniqKey="Yang Y" first="Yong-Miao" last="Yang">Yong-Miao Yang</name>
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<author><name sortKey="Yu, Xiao Zhang" sort="Yu, Xiao Zhang" uniqKey="Yu X" first="Xiao-Zhang" last="Yu">Xiao-Zhang Yu</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Environmental Science, Hunan Agricultural University, Changsha 410128, Hunan, PR China. yuxiaozhang@hotmail.com</nlm:affiliation>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term>
<term>Ferrocyanides (chemistry)</term>
<term>Ferrocyanides (pharmacokinetics)</term>
<term>Humans (MeSH)</term>
<term>Plant Leaves (MeSH)</term>
<term>Plant Roots (MeSH)</term>
<term>Plant Stems (MeSH)</term>
<term>Salix (metabolism)</term>
<term>Soil Pollutants (chemistry)</term>
<term>Soil Pollutants (pharmacokinetics)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Feuilles de plante (MeSH)</term>
<term>Hexacyanoferrates II (composition chimique)</term>
<term>Hexacyanoferrates II (pharmacocinétique)</term>
<term>Humains (MeSH)</term>
<term>Polluants du sol (composition chimique)</term>
<term>Polluants du sol (pharmacocinétique)</term>
<term>Racines de plante (MeSH)</term>
<term>Salix (métabolisme)</term>
<term>Tiges de plante (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Ferrocyanides</term>
<term>Soil Pollutants</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacokinetics" xml:lang="en"><term>Ferrocyanides</term>
<term>Soil Pollutants</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Hexacyanoferrates II</term>
<term>Polluants du sol</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Salix</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Salix</term>
</keywords>
<keywords scheme="MESH" qualifier="pharmacocinétique" xml:lang="fr"><term>Hexacyanoferrates II</term>
<term>Polluants du sol</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term>
<term>Humans</term>
<term>Plant Leaves</term>
<term>Plant Roots</term>
<term>Plant Stems</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Dépollution biologique de l'environnement</term>
<term>Feuilles de plante</term>
<term>Humains</term>
<term>Racines de plante</term>
<term>Tiges de plante</term>
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<front><div type="abstract" xml:lang="en">Hybrid willows (Salix matsudana Koidz x Salix alba L.), weeping willows (Salix babylonica L.) and hankow willows (Salix matsudana Koidz) were exposed to potassium ferrocyanide to determine the potential of these plants to extract, transport and metabolize this iron cyanide complex. Young rooted cuttings were grown in hydroponic solution at 24.0 +/- 0.5 degrees C for 144 h. Ferrocyanide in solution, air, and aerial tissues of plants was analyzed spectrophotometrically. Uptake of ferrocyanide from the aqueous solution by plants was evident for all treatments and varied with plant species, ranging from 8.64 to 15.67% of initial mass. The uptake processes observed from hydroponic solution showed exponential disappearance kinetics. Very little amounts of the applied ferrocyanide were detected in all parts of plant materials, confirming passage of ferrocyanide through the plants. No ferrocyanide in air was found due to plant transpiration. Mass balance analysis showed that a large fraction of the reduction of initial mass in hydroponic solution was metabolized during transport within the plant materials. The difference in the metabolic rate of ferrocyanide between the three plant species was comparably small, indicating transport of ferrocyanide from hydroponic solution to plant materials and further transport within plant materials was a limiting step for assimilating this iron cyanide complex. In conclusion, phytoremediation of ferrocyanide by the plants tested in this study has potential field application.</div>
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<ArticleTitle>The potential for phytoremediation of iron cyanide complex by willows.</ArticleTitle>
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<Abstract><AbstractText>Hybrid willows (Salix matsudana Koidz x Salix alba L.), weeping willows (Salix babylonica L.) and hankow willows (Salix matsudana Koidz) were exposed to potassium ferrocyanide to determine the potential of these plants to extract, transport and metabolize this iron cyanide complex. Young rooted cuttings were grown in hydroponic solution at 24.0 +/- 0.5 degrees C for 144 h. Ferrocyanide in solution, air, and aerial tissues of plants was analyzed spectrophotometrically. Uptake of ferrocyanide from the aqueous solution by plants was evident for all treatments and varied with plant species, ranging from 8.64 to 15.67% of initial mass. The uptake processes observed from hydroponic solution showed exponential disappearance kinetics. Very little amounts of the applied ferrocyanide were detected in all parts of plant materials, confirming passage of ferrocyanide through the plants. No ferrocyanide in air was found due to plant transpiration. Mass balance analysis showed that a large fraction of the reduction of initial mass in hydroponic solution was metabolized during transport within the plant materials. The difference in the metabolic rate of ferrocyanide between the three plant species was comparably small, indicating transport of ferrocyanide from hydroponic solution to plant materials and further transport within plant materials was a limiting step for assimilating this iron cyanide complex. In conclusion, phytoremediation of ferrocyanide by the plants tested in this study has potential field application.</AbstractText>
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