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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Bio-nano Interfaces and Engineering Applications Symposium
Presentation Title Revealing the Multi-functional Surface and Material Property of Venus Flytrap (Dionaea Muscipula)
Author(s) Tiffany T Liao, Po-Yi Chen, Yueh-Ying Chou, Wei-Chen Hung, Po-Yu Chen
On-Site Speaker (Planned) Tiffany T Liao
Abstract Scope The Dionaea muscipula Ellis, commonly known as the Venus flytrap, is a snap-trapping carnivorous plant endemic to the bogs of North America. The leaf blade contains a pair of lobes connected to the petiole through the midrib. The adaxial surface of the lobes contains nectar glands, trigger hairs, cilia, digestive glands used to attract, capture, confine, and digest insects. Previous studies have primarily focused on its active trapping mechanism and replications. In this study, the hierarchical structure, surface wettability and mechanical properties of the lobes of Venus flytrap were investigated utilizing the Materials Science approaches. Surface topography and microstructure were characterized by SEM and AFM. Wettability and wetting behavior were evaluated by static contact angle, hysteresis, sliding angle measurements and mechanical properties were determined by nanoindentation. Results showed that the heterogeneous surface wettability and gradient mechanical property could contribute to the closing mechanism, digestion of prey and adaption to environments.
Proceedings Inclusion? Planned: Publication Outside of TMS (Indicate publication title and publisher if known.)


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