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The discovery of novel nanomaterials, such as nanoparticles and nanofibers, is crucial to the expansion of the nanotechnology field. Of even greater importance, is the identification of nanomaterials that exist in nature and have low environmental toxicity when compared to man-made nanomaterials. In 2008, our group first discovered that ivy secretes nanoparticles for surface affixing. It was further...
Adhesive property of natural system is of great interest for engineering innovation. While this has led to intense scrutiny of gecko footpad setae, other biological adhesion systems also draw big attention, such as marine mussel, barnacle, and more recently, ivy plants. With recent discovery of the role of nanoparticles in nature adhesives, it is of interest to characterize the role of nanoparticles...
This paper investigates the nano-scale sensing and closing mechanism of the Venus Flytrap (Dionaea muscipula). A novel mathematical model has been proposed to explain the phenomenon of trap closure. The model takes into account the need for two mechanical stimulations of the trigger hair within 20-30 s to generate trap closure. The ultrastructure of the lower trap surface was also examined using atomic...
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