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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Bio-nano Interfaces and Engineering Applications Symposium
Presentation Title Synthesis and Characterization of Superomniphobic Surfaces Inspired by Springtails
Author(s) Po-Yi Chen, Ching-Yu Yang, Po-Yu Chen
On-Site Speaker (Planned) Po-Yi Chen
Abstract Scope Springtails (Collembola) are wingless arthropods which rely on epidermal respiration. They developed unique surface patterns which can prevent them from suffocation in temporarily flooded or organic-contaminated habitats. The mushroom-like, overhanging structures on springtail exoskeleton can effectively repel not only water but even low-surface-tension organic liquids. In thermodynamics, an upward suspension force generating from surface tension pins the liquid on top of the structure and leads to Cassie-Baxter state rather than Wenzel state. In this study, superomniphobic surface inspired by springtails was fabricated by advanced additive manufacturing techniques. Micro-structural features were characterized by SEM and wettability was evaluated by static contact angle, hysteresis, sliding angle, break-in pressure and underwater properties measurements. Results show that oil and organic liquids can be repelled by the springtail-inspired, synthetic patterns without surface modification. Such bio-inspired design and optimization can further lead to liquid-repellent and anti-adhesive applications.
Proceedings Inclusion? Planned: Publication Outside of TMS (Indicate publication title and publisher if known.)


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Single Molecular Imaging of Fluorescent-tagged Peptides Diffusing on a Surface of Boron Nitride
Surface Modification of Ti6Al4V to Confer Antibacterial Properties against Listeria Monocytogenes
Synthesis and Characterization of Superomniphobic Surfaces Inspired by Springtails
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