AUTHOR=Blamires Sean J. , Spicer Patrick T. , Flanagan Patricia J. TITLE=Spider Silk Biomimetics Programs to Inform the Development of New Wearable Technologies JOURNAL=Frontiers in Materials VOLUME=7 YEAR=2020 URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2020.00029 DOI=10.3389/fmats.2020.00029 ISSN=2296-8016 ABSTRACT=

Wearable fabrics are predominantly produced from synthetic polymer fibers derived from petrochemicals. These have negative effects on the natural environment as a consequence of the manufacturing process, insurmountable waste production, and persistence of the fibers in ecosystems. With the use of wearables worldwide set to increase exponentially, more environmentally friendly fibers are sought. Natural fibers such as spider silk are produced using proteins in a water solvent, yet they have many superior qualities to synthetic fibers. Moreover, spiders can tune their silk properties as their ecological circumstances demand it. Research focused on the biomimetic potential of spider silks with an eye on the development of smart wearable fibers is accordingly a potentially lucrative area of research. There are nonetheless major challenges associated, including recovering the original mechanical performance within the fibers developed, scaling up production, keeping the production costs of the silk building blocks to a minimum, elucidating, and understanding the different silk genome sequences, and creating precision artificial spinning processes. We outline herein a template for a working framework for a spider silk biomimetics program that can inform designers and biological researchers alike. It suggests that an objective-focused research program utilizing a cross-disciplinary toolbox of top-down and bottom-up techniques is required. We close by providing some speculative examples stemming from current activities in our laboratories.