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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2022.01.023
|2 doi
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|a pubmed24n1122.xml
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|a (DE-627)NLM336816022
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|a (NLM)35149438
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|a (PII)S0981-9428(22)00033-X
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Chenxi
|e verfasserin
|4 aut
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1 |
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|a Toxicity of BPNSs against Chlorella vulgaris
|b Oxidative damage, physical damage and self-protection mechanism
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 21.02.2022
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|a Date Revised 21.02.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier Masson SAS. All rights reserved.
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|a Black phosphorus nanosheets (BPNSs) has extensive application prospect in the fields of optoelectronics and biomedicine, due to its unique physicochemical properties. Therefore, a systematic toxic study is necessary to assess its environmental safety. Herein, BPNSs was prepared by liquid exfoliation procedure, the primary producer Chlorella vulgaris (C. vulgaris) was used as a test subject. After the exposure for 120 h at 15, 45 and 75 mg/L BPNSs, the cell viabilities were 45.05%, 18.86% and 4.60% for each treatment group, respectively. The extent of lipid peroxidation and peroxidative damage in C. vulgaris was confirmed by measuring reactive oxygen species (ROS) levels, superoxide dismutase (SOD) and catalase (CAT) activities, followed by determination of malondialdehyde (MDA) content. Morphological analysis results (i.e., SEM and TEM) showed that BPNSs adhered to the cell surface and enter the cell to severely damage cell structure. Furthermore, BPNSs were shown to accelerate apoptosis in C. vulgaris by flow cytometry analysis. Finally, GC-MS was used to explore the metabolic regulatory mechanism of C. vulgaris in response to BPNSs stress. The results of this study can provide theoretical support for subsequent studies on the potential enrichment risk of BPNSs in the water environmental food chain
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|a Journal Article
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|a Aquatic environment
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|a Black phosphorus nanosheets
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|a Chlorella vulgaris
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|a Metabolomics
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|a Antioxidants
|2 NLM
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|a Malondialdehyde
|2 NLM
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|a 4Y8F71G49Q
|2 NLM
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|a Superoxide Dismutase
|2 NLM
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| 650 |
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|a EC 1.15.1.1
|2 NLM
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| 700 |
1 |
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|a Li, Haibo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yinghua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Zhe
|e verfasserin
|4 aut
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| 700 |
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|a Mo, Fan
|e verfasserin
|4 aut
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| 700 |
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|a Deng, Ningcan
|e verfasserin
|4 aut
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|a Xu, Jianing
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Pengkai
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 174(2022) vom: 01. März, Seite 63-72
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:174
|g year:2022
|g day:01
|g month:03
|g pages:63-72
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|u http://dx.doi.org/10.1016/j.plaphy.2022.01.023
|3 Volltext
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