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摘要:
The rapid growth and early development period of the dual-scale surface topography was studied on the adaxial leaf surfaces of two aspen tree species with non-wetting leaves: the columnar European aspen (Populus tremula “Erecta”) and quaking aspen (Populus tremuloides). Particular attention was focused on the formation of micro- and nano-scale asperities on their cuticles, which was correlated with the development of superhydrophobic wetting behaviour. Measurements of the wetting properties (contact angle and tilt-angle) provided an indication of the degree of hydrophobicity of their cuticles. Scanning electron microscopy and optical profilometry micrographs were used to follow the growth and major morphological changes of micro-scale papillae and nano-scale epicuticular wax (ECW) crystals, which led to a significant improvement in non-wetting behaviour. Both species exhibited syntopism in the form of small and larger nano-scale ECW platelet morphologies. These findings provide additional support for earlier suggestions that due to fluctuations in leaf hydrophobicity throughout the growing season, canopy storage capacity may also vary considerably throughout this time period.
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篇名 Early Season Development of Micro/Nano-Morphology and Superhydrophobic Wetting Properties on Aspen Leaf Surfaces
来源期刊 美国植物学期刊(英文) 学科 医学
关键词 COLUMNAR European ASPEN LEAVES DEVELOPMENT of SUPERHYDROPHOBIC Leaf Surfaces Epicuticular WAX Morphologies Nano-Scale WAX Crystals Quaking ASPEN LEAVES
年,卷(期) 2015,(13) 所属期刊栏目
研究方向 页码范围 2197-2208
页数 12页 分类号 R73
字数 语种
DOI
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研究主题发展历程
节点文献
COLUMNAR
European
ASPEN
LEAVES
DEVELOPMENT
of
SUPERHYDROPHOBIC
Leaf
Surfaces
Epicuticular
WAX
Morphologies
Nano-Scale
WAX
Crystals
Quaking
ASPEN
LEAVES
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
美国植物学期刊(英文)
月刊
2158-2742
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
1814
总下载数(次)
0
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