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231224s2016 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2016.069
|2 doi
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|a pubmed25n0869.xml
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|a (NLM)27232410
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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 Liu, Lizhen
|e verfasserin
|4 aut
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| 245 |
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|a Characterizing cell surface of blooming Microcystis in Lake Taihu, China
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 22.09.2016
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|a Date Revised 02.12.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a Microcystis occurs as colonies in the natural environment but disaggregates into single cells in laboratory cultures. In order to explore the mechanism of how Microcystis forms colonies, the zeta potentials of Microcystis cells from the laboratory and the field were studied, and the hydrophobicity of Microcystis colonies in different sizes was investigated in Lake Taihu. The incubation experiment indicated that the zeta potentials of Microcystis cells were affected by growth phase and species. The absolute values in exponential phase were lower than those in stationary phase, suggesting that the cells with rapid growth easily formed colonies due to more instability on the cell surface. The values of Microcystis aeruginosa were higher than those of Microcystis flos-aquae, which confirmed that M. aeruginosa prevailed in waters for a longer time and at a larger size compared with M. flos-aquae. In another aspect, the absolute zeta potentials of Microcystis spp. at pH 7.0 decreased from spring to autumn in the field; the values in spring were higher than those in summer, suggesting that a large-sized Microcystis colony would more easily form in summer. Additionally, differences in hydrophobicity exist among Microcystis colonies of various sizes. The surface hydrophobicity of colonies in the <20 μm size class was higher than that of larger colonies. This characteristic allowed small colonies to easily form large colonies to survive better. These results would be helpful to understand the mechanism of the bloom formation, especially the colony formation, in Microcystis
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|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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1 |
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|a Huang, Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qin, Boqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Guangwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Pan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Yongming
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 73(2016), 11 vom: 08., Seite 2731-8
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
8 |
|g volume:73
|g year:2016
|g number:11
|g day:08
|g pages:2731-8
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| 856 |
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|u http://dx.doi.org/10.2166/wst.2016.069
|3 Volltext
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