Compound Microstructures and Wax Layer of Beetle Elytral Surfaces and Their Influence on Wetting Properties
文献类型：期刊论文
| 作者 | Sun, Mingxia1; Liang, Aiping1; Watson, Gregory S.2,3; Watson, Jolanta A.2,3; Zheng, Yongmei4; Jiang, Lei5 |
| 刊名 | PLOS ONE
 |
| 出版日期 | 2012-10-04 |
| 卷号 | 7期号:10 |
| ISSN号 | 1932-6203 |
| DOI | 10.1371/journal.pone.0046710 |
| 英文摘要 | A beetles' first line of defense against environmental hazards is their mesothoracic elytra - rigid, protective forewings. In order to study the interaction of these wings with water, the surface microstructures of various beetles' elytra were observed by Environment Scanning Electron Microscopy (ESEM) and Atomic Force Microscopy (AFM). Chemistry components were ascertained using X-ray photoelectron spectroscopy (XPS). All the beetles of various habitats (including desert, plant, dung, land and water) exhibited compound microstructures on their elytra. The wetting properties of these elytra were identified using an optical contact angle meter. In general the native elytra exhibited hydrophilic or weak hydrophobic properties with contact angles (CAs) ranging from 47.5 degrees to 109.1 degrees. After treatment with chloroform, the CAs all increased on the rougher elytral surfaces. The presence of wax is not the only determinant of hydrophobic properties, but rather a combination with microscopic structures found on the surfaces. Irregularities and the presence or absence of tiny cracks, hairs (or setae), pores and protrusions are important factors which influence the wetting properties. Rougher elytral surfaces tended to present a stronger hydrophobicity. Effects on hydrophobicity, such as surface microstructures, chemistry, environment and aging (referring to the time after emergence), are also included and discussed. Our results also provide insights into the motion of water droplets when in contact with beetle elytra. |
| 语种 | 英语 |
| WOS记录号 | WOS:000309580800041 |
| 出版者 | PUBLIC LIBRARY SCIENCE |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/47509]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Liang, Aiping |
| 作者单位 | 1.Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China 2.James Cook Univ, Ctr Biodiscovery & Mol Dev Therapeut, Townsville, Qld 4811, Australia 3.James Cook Univ, Sch Pharm & Mol Sci, Townsville, Qld, Australia 4.Beihang Univ, Sch Chem & Environm, Minist Educ, Key Lab Bioinspired Smart Interfacial Sci & Techn, Beijing, Peoples R China 5.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Mingxia,Liang, Aiping,Watson, Gregory S.,et al. Compound Microstructures and Wax Layer of Beetle Elytral Surfaces and Their Influence on Wetting Properties[J]. PLOS ONE,2012,7(10). |
| APA | Sun, Mingxia,Liang, Aiping,Watson, Gregory S.,Watson, Jolanta A.,Zheng, Yongmei,&Jiang, Lei.(2012).Compound Microstructures and Wax Layer of Beetle Elytral Surfaces and Their Influence on Wetting Properties.PLOS ONE,7(10). |
| MLA | Sun, Mingxia,et al."Compound Microstructures and Wax Layer of Beetle Elytral Surfaces and Their Influence on Wetting Properties".PLOS ONE 7.10(2012). |
入库方式： OAI收割
来源：化学研究所
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