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Effects of CuO nanoparticles on Lemna minor

Overview of attention for article published in Botanical Studies, January 2016
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Title
Effects of CuO nanoparticles on Lemna minor
Published in
Botanical Studies, January 2016
DOI 10.1186/s40529-016-0118-x
Pubmed ID
Authors

Guanling Song, Wenhua Hou, Yuan Gao, Yan Wang, Lin, Zhiwei Zhang, Qiang Niu, Rulin Ma, Lati Mu, Haixia Wang

Abstract

Copper dioxide nanoparticles (NPs), which is a kind of important and widely used metal oxide NP, eventually reaches a water body through wastewater and urban runoff. Ecotoxicological studies of this kind of NPs effects on hydrophyte are very limited at present. Lemna minor was exposed to media with different concentrations of CuO NPs, bulk CuO, and two times concentration of Cu(2+) released from CuO NPs in culture media. The changes in plant growth, chlorophyll content, antioxidant defense enzyme activities [i.e., peroxidase (POD), catalase (CAT), superoxide dismutase (SOD) activities], and malondialdehyde (MDA) content were measured in the present study. The particle size of CuO NPs and the zeta potential of CuO NPs and bulk CuO in the culture media were also analyzed to complementally evaluate their toxicity on duckweed. Results showed that CuO NPs inhibited the plant growth at lower concentration than bulk CuO. L. minor roots were easily broken in CuO NPs media under the experimental condition, and the inhibition occurred only partly because CuO NPs released Cu(2+) in the culture media. The POD, SOD, and CAT activities of L. minor increased when the plants were exposed to CuO NPs, bulk CuO NPs and two times the concentration of Cu(2+) released from CuO NPs in culture media, but the increase of these enzymes were the highest in CuO NPs media among the three kinds of materials. The MDA content was significantly increased compared with that of the control from 50 mg L(-1) CuO NP concentration in culture media. CuO NPs has more toxicity on L. minor compared with that of bulk CuO, and the inhibition occurred only partly because released Cu(2+) in the culture media. The plant accumulated more reactive oxygen species in the CuO NP media than in the same concentration of bulk CuO. The plant cell encountered serious damage when the CuO NP concentration reached 50 mg L(-1) in culture media. The toxicology of CuO NP on hydrophytes must be considered because that hydrophytes are the basic of aquatic ecosystem.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 42 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 42 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 9 21%
Student > Master 5 12%
Student > Bachelor 5 12%
Student > Doctoral Student 4 10%
Researcher 4 10%
Other 8 19%
Unknown 7 17%
Readers by discipline Count As %
Agricultural and Biological Sciences 12 29%
Environmental Science 9 21%
Biochemistry, Genetics and Molecular Biology 3 7%
Energy 1 2%
Earth and Planetary Sciences 1 2%
Other 4 10%
Unknown 12 29%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 10 June 2017.
All research outputs
#11,373,605
of 12,787,438 outputs
Outputs from Botanical Studies
#76
of 105 outputs
Outputs of similar age
#225,890
of 266,677 outputs
Outputs of similar age from Botanical Studies
#3
of 3 outputs
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So far Altmetric has tracked 105 research outputs from this source. They receive a mean Attention Score of 2.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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