期刊
PLANT SCIENCE
卷 183, 期 -, 页码 206-211出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.plantsci.2011.08.013
关键词
Atomic force microscopy; English ivy; Nanocomposites; Nanoparticles; Adhesives
资金
- US Army Research Office [W911NF-10-1-0114]
- National Science Foundation [CBET: 0965877, CMMI: 1029953]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0965877] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1029953] Funding Source: National Science Foundation
Many advances have been made in the study of micro- to nano-scale attachment mechanisms in animals: however, little interest has been focused on identifying similar phenomenon in plants. In 2008, our group discovered that surfaces where ivy attached had uniform nanoparticles that were hypothesized to contribute to its amazing attaching strength. In this study, we visualized the secretion of adhesive from the root hairs of English ivy adventitious roots using a novel video microscopy apparatus. In addition, we were able to correlate the deposited adhesive with uniform nanoparticles through atomic force microscopy (AFM). This conclusively demonstrated that the nanoparticles were associated with the adhesive forming a natural nanocomposite. This discovery relays the importance of studying plant attachment for bio-inspiration of novel nano-scale attachment strategies. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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