Uptake, Distribution, and Transformation of CuO NPs in a Floating Plant Eichhornia crassipes and Related Stomatal Responses
Engineered nanoparticles (NPs) are being released into aquatic environments with their increasing applications. In this work, we investigated the interaction of CuO NPs with a floating plant, water hyacinth (Eichhornia crassipes). CuO NPs (50 mg/L) showed significant growth inhibition on both roots...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Jian Zhao [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Environmental science & technology - Washington, DC : ACS Publ., 1967, 51(2017), 13, Seite 7686 |
|---|---|
| Übergeordnetes Werk: |
volume:51 ; year:2017 ; number:13 ; pages:7686 |
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| 520 | |a Engineered nanoparticles (NPs) are being released into aquatic environments with their increasing applications. In this work, we investigated the interaction of CuO NPs with a floating plant, water hyacinth (Eichhornia crassipes). CuO NPs (50 mg/L) showed significant growth inhibition on both roots and shoots of E. crassipes after 8-day exposure, much higher than that of the bulk CuO particles (50 mg/L) and their corresponding dissolved Cu^sup 2+^ ions (0.30 mg/L). Scanning electron and light microscopic observations showed that the root caps and meristematic zone of E. Crassipes were severely damaged after CuO NP exposure, with disordered cell arrangement and a destroyed elongation zone of root tips. It is confirmed that CuO NPs could be translocated to shoot from both roots and submerged leaves. As detected by X-ray absorption near-edge spectroscopy analysis (XANES), CuO NPs were observed in roots, submerged leaves, and emerged leaves. Cu^sub 2^S and other Cu species were also detected in these tissues, providing solid evidence of the transformation of CuO NPs. In addition, stomatal closure was observed during CuO NPs-leaf contact, which was induced by the production of H^sub 2^O^sub 2^ and increased Ca level in leaf guard cells. These findings are helpful for better understanding the fate of NPs in aquatic plants and related biological responses. | ||
| 650 | 4 | |a Transformation | |
| 650 | 4 | |a Tissues | |
| 650 | 4 | |a Spectroscopic analysis | |
| 650 | 4 | |a Roots | |
| 650 | 4 | |a Floating | |
| 650 | 4 | |a Spectroscopy | |
| 650 | 4 | |a Nanoparticles | |
| 650 | 4 | |a Chemical compounds | |
| 650 | 4 | |a Spectrum analysis | |
| 650 | 4 | |a Guard cells | |
| 650 | 4 | |a Plants (organisms) | |
| 650 | 4 | |a Floating plant | |
| 650 | 4 | |a Stomata | |
| 650 | 4 | |a Exposure | |
| 650 | 4 | |a Damage | |
| 650 | 4 | |a Scanning electron microscopy | |
| 650 | 4 | |a Transformations | |
| 650 | 4 | |a Aquatic plants | |
| 650 | 4 | |a Leaves | |
| 650 | 4 | |a Aquatic environment | |
| 650 | 4 | |a Shoots | |
| 650 | 4 | |a Elongation | |
| 650 | 4 | |a Plants | |
| 650 | 4 | |a Plant growth | |
| 650 | 4 | |a Tips | |
| 700 | 0 | |a Wenting Ren |4 oth | |
| 700 | 0 | |a Yanhui Dai |4 oth | |
| 700 | 0 | |a Lijiao Liu |4 oth | |
| 700 | 0 | |a Zhenyu Wang |4 oth | |
| 700 | 0 | |a Xiaoyu Yu |4 oth | |
| 700 | 0 | |a Junzhe Zhang |4 oth | |
| 700 | 0 | |a Xiangke Wang |4 oth | |
| 700 | 0 | |a Baoshan Xing |4 oth | |
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PQ20171228 (DE-627)OLC1996020676 (DE-599)GBVOLC1996020676 (PRQ)p932-27febb4c71097d0103e805fed5fb1e629c3244d10a2cad375ad8d3ff98f482860 (KEY)0072627320170000051001307686uptakedistributionandtransformationofcuonpsinafloa DE-627 ger DE-627 rakwb eng 050 333.7 DNB Jian Zhao verfasserin aut Uptake, Distribution, and Transformation of CuO NPs in a Floating Plant Eichhornia crassipes and Related Stomatal Responses 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Engineered nanoparticles (NPs) are being released into aquatic environments with their increasing applications. In this work, we investigated the interaction of CuO NPs with a floating plant, water hyacinth (Eichhornia crassipes). CuO NPs (50 mg/L) showed significant growth inhibition on both roots and shoots of E. crassipes after 8-day exposure, much higher than that of the bulk CuO particles (50 mg/L) and their corresponding dissolved Cu^sup 2+^ ions (0.30 mg/L). Scanning electron and light microscopic observations showed that the root caps and meristematic zone of E. Crassipes were severely damaged after CuO NP exposure, with disordered cell arrangement and a destroyed elongation zone of root tips. It is confirmed that CuO NPs could be translocated to shoot from both roots and submerged leaves. As detected by X-ray absorption near-edge spectroscopy analysis (XANES), CuO NPs were observed in roots, submerged leaves, and emerged leaves. Cu^sub 2^S and other Cu species were also detected in these tissues, providing solid evidence of the transformation of CuO NPs. In addition, stomatal closure was observed during CuO NPs-leaf contact, which was induced by the production of H^sub 2^O^sub 2^ and increased Ca level in leaf guard cells. These findings are helpful for better understanding the fate of NPs in aquatic plants and related biological responses. Transformation Tissues Spectroscopic analysis Roots Floating Spectroscopy Nanoparticles Chemical compounds Spectrum analysis Guard cells Plants (organisms) Floating plant Stomata Exposure Damage Scanning electron microscopy Transformations Aquatic plants Leaves Aquatic environment Shoots Elongation Plants Plant growth Tips Wenting Ren oth Yanhui Dai oth Lijiao Liu oth Zhenyu Wang oth Xiaoyu Yu oth Junzhe Zhang oth Xiangke Wang oth Baoshan Xing oth Enthalten in Environmental science & technology Washington, DC : ACS Publ., 1967 51(2017), 13, Seite 7686 (DE-627)129852457 (DE-600)280653-8 (DE-576)01515274X 0013-936X nnns volume:51 year:2017 number:13 pages:7686 https://search.proquest.com/docview/1924615784 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2006 GBV_ILN_4323 AR 51 2017 13 7686 |
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PQ20171228 (DE-627)OLC1996020676 (DE-599)GBVOLC1996020676 (PRQ)p932-27febb4c71097d0103e805fed5fb1e629c3244d10a2cad375ad8d3ff98f482860 (KEY)0072627320170000051001307686uptakedistributionandtransformationofcuonpsinafloa DE-627 ger DE-627 rakwb eng 050 333.7 DNB Jian Zhao verfasserin aut Uptake, Distribution, and Transformation of CuO NPs in a Floating Plant Eichhornia crassipes and Related Stomatal Responses 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Engineered nanoparticles (NPs) are being released into aquatic environments with their increasing applications. In this work, we investigated the interaction of CuO NPs with a floating plant, water hyacinth (Eichhornia crassipes). CuO NPs (50 mg/L) showed significant growth inhibition on both roots and shoots of E. crassipes after 8-day exposure, much higher than that of the bulk CuO particles (50 mg/L) and their corresponding dissolved Cu^sup 2+^ ions (0.30 mg/L). Scanning electron and light microscopic observations showed that the root caps and meristematic zone of E. Crassipes were severely damaged after CuO NP exposure, with disordered cell arrangement and a destroyed elongation zone of root tips. It is confirmed that CuO NPs could be translocated to shoot from both roots and submerged leaves. As detected by X-ray absorption near-edge spectroscopy analysis (XANES), CuO NPs were observed in roots, submerged leaves, and emerged leaves. Cu^sub 2^S and other Cu species were also detected in these tissues, providing solid evidence of the transformation of CuO NPs. In addition, stomatal closure was observed during CuO NPs-leaf contact, which was induced by the production of H^sub 2^O^sub 2^ and increased Ca level in leaf guard cells. These findings are helpful for better understanding the fate of NPs in aquatic plants and related biological responses. Transformation Tissues Spectroscopic analysis Roots Floating Spectroscopy Nanoparticles Chemical compounds Spectrum analysis Guard cells Plants (organisms) Floating plant Stomata Exposure Damage Scanning electron microscopy Transformations Aquatic plants Leaves Aquatic environment Shoots Elongation Plants Plant growth Tips Wenting Ren oth Yanhui Dai oth Lijiao Liu oth Zhenyu Wang oth Xiaoyu Yu oth Junzhe Zhang oth Xiangke Wang oth Baoshan Xing oth Enthalten in Environmental science & technology Washington, DC : ACS Publ., 1967 51(2017), 13, Seite 7686 (DE-627)129852457 (DE-600)280653-8 (DE-576)01515274X 0013-936X nnns volume:51 year:2017 number:13 pages:7686 https://search.proquest.com/docview/1924615784 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 GBV_ILN_70 GBV_ILN_252 GBV_ILN_2006 GBV_ILN_4323 AR 51 2017 13 7686 |
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In this work, we investigated the interaction of CuO NPs with a floating plant, water hyacinth (Eichhornia crassipes). CuO NPs (50 mg/L) showed significant growth inhibition on both roots and shoots of E. crassipes after 8-day exposure, much higher than that of the bulk CuO particles (50 mg/L) and their corresponding dissolved Cu^sup 2+^ ions (0.30 mg/L). Scanning electron and light microscopic observations showed that the root caps and meristematic zone of E. Crassipes were severely damaged after CuO NP exposure, with disordered cell arrangement and a destroyed elongation zone of root tips. It is confirmed that CuO NPs could be translocated to shoot from both roots and submerged leaves. As detected by X-ray absorption near-edge spectroscopy analysis (XANES), CuO NPs were observed in roots, submerged leaves, and emerged leaves. Cu^sub 2^S and other Cu species were also detected in these tissues, providing solid evidence of the transformation of CuO NPs. In addition, stomatal closure was observed during CuO NPs-leaf contact, which was induced by the production of H^sub 2^O^sub 2^ and increased Ca level in leaf guard cells. 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uptake, distribution, and transformation of cuo nps in a floating plant eichhornia crassipes and related stomatal responses |
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Uptake, Distribution, and Transformation of CuO NPs in a Floating Plant Eichhornia crassipes and Related Stomatal Responses |
| abstract |
Engineered nanoparticles (NPs) are being released into aquatic environments with their increasing applications. In this work, we investigated the interaction of CuO NPs with a floating plant, water hyacinth (Eichhornia crassipes). CuO NPs (50 mg/L) showed significant growth inhibition on both roots and shoots of E. crassipes after 8-day exposure, much higher than that of the bulk CuO particles (50 mg/L) and their corresponding dissolved Cu^sup 2+^ ions (0.30 mg/L). Scanning electron and light microscopic observations showed that the root caps and meristematic zone of E. Crassipes were severely damaged after CuO NP exposure, with disordered cell arrangement and a destroyed elongation zone of root tips. It is confirmed that CuO NPs could be translocated to shoot from both roots and submerged leaves. As detected by X-ray absorption near-edge spectroscopy analysis (XANES), CuO NPs were observed in roots, submerged leaves, and emerged leaves. Cu^sub 2^S and other Cu species were also detected in these tissues, providing solid evidence of the transformation of CuO NPs. In addition, stomatal closure was observed during CuO NPs-leaf contact, which was induced by the production of H^sub 2^O^sub 2^ and increased Ca level in leaf guard cells. These findings are helpful for better understanding the fate of NPs in aquatic plants and related biological responses. |
| abstractGer |
Engineered nanoparticles (NPs) are being released into aquatic environments with their increasing applications. In this work, we investigated the interaction of CuO NPs with a floating plant, water hyacinth (Eichhornia crassipes). CuO NPs (50 mg/L) showed significant growth inhibition on both roots and shoots of E. crassipes after 8-day exposure, much higher than that of the bulk CuO particles (50 mg/L) and their corresponding dissolved Cu^sup 2+^ ions (0.30 mg/L). Scanning electron and light microscopic observations showed that the root caps and meristematic zone of E. Crassipes were severely damaged after CuO NP exposure, with disordered cell arrangement and a destroyed elongation zone of root tips. It is confirmed that CuO NPs could be translocated to shoot from both roots and submerged leaves. As detected by X-ray absorption near-edge spectroscopy analysis (XANES), CuO NPs were observed in roots, submerged leaves, and emerged leaves. Cu^sub 2^S and other Cu species were also detected in these tissues, providing solid evidence of the transformation of CuO NPs. In addition, stomatal closure was observed during CuO NPs-leaf contact, which was induced by the production of H^sub 2^O^sub 2^ and increased Ca level in leaf guard cells. These findings are helpful for better understanding the fate of NPs in aquatic plants and related biological responses. |
| abstract_unstemmed |
Engineered nanoparticles (NPs) are being released into aquatic environments with their increasing applications. In this work, we investigated the interaction of CuO NPs with a floating plant, water hyacinth (Eichhornia crassipes). CuO NPs (50 mg/L) showed significant growth inhibition on both roots and shoots of E. crassipes after 8-day exposure, much higher than that of the bulk CuO particles (50 mg/L) and their corresponding dissolved Cu^sup 2+^ ions (0.30 mg/L). Scanning electron and light microscopic observations showed that the root caps and meristematic zone of E. Crassipes were severely damaged after CuO NP exposure, with disordered cell arrangement and a destroyed elongation zone of root tips. It is confirmed that CuO NPs could be translocated to shoot from both roots and submerged leaves. As detected by X-ray absorption near-edge spectroscopy analysis (XANES), CuO NPs were observed in roots, submerged leaves, and emerged leaves. Cu^sub 2^S and other Cu species were also detected in these tissues, providing solid evidence of the transformation of CuO NPs. In addition, stomatal closure was observed during CuO NPs-leaf contact, which was induced by the production of H^sub 2^O^sub 2^ and increased Ca level in leaf guard cells. These findings are helpful for better understanding the fate of NPs in aquatic plants and related biological responses. |
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Uptake, Distribution, and Transformation of CuO NPs in a Floating Plant Eichhornia crassipes and Related Stomatal Responses |
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