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Physiology, Biochemistry, and Toxicology

Student Competition 10-Minute Paper

Undergrad MUVE, PBT, and SysEB: Miscellaneous On-Demand Presentations

A versatile Cicada wing replication technique to engineer novel multifunctional surfaces

On-Demand
Student Competition On-Demand
The surface of cicada wings possesses nanopillars resulting in multifunctional characteristics such as super-hydrophobicity, bactericidal activity, self-cleaning, and anti-adhesion. In this study, we replicated cicada wings (Neotibicen pruinosus) utilizing a next- generation nanofabrication method: dissolvable template nanoimprinting lithography (DT-NIL). The DT-NIL method allows for nano- and micro- structures on biological surfaces to be easily and effectively replicated utilizing an economic thermoplastic resin. As this method has only been successfully executed on a small scale in a specialized laboratory, our goal was to replicate this method with high fidelity and to validate the results found in a previous study. We also wanted to determine if this DT-NIL method can be efficiently carried out in a standard biology lab with cost-effective equipment and on a large scale. We were able to successfully replicate cicada wing surface nanofeatures using DT-NIL by adjusting the method as published. We were also able to do this replication at a relatively large scale. An advantage of this procedure is that it can be carried out in simple environments, with cost effective materials. It is now our aim to start testing the replicates in various environments to determine the ability of these surfaces to prevent biofouling. These insect-inspired materials will inform the design of novel materials that can benefit various industries struggling to reduce the negative effects of biofouling.