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  Groovy and gnarly : surface wrinkles as a multifunctional motif for terrestrial and marine environments

Surapaneni, V. A., Schindler, M., Ziege, R., de Faria, L. C., Wölfer, J., Bidan, C. M., et al. (2022). Groovy and gnarly: surface wrinkles as a multifunctional motif for terrestrial and marine environments. Integrative and Comparative Biology, icac079. doi:10.1093/icb/icac079.

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 Creators:
Surapaneni, Venkata Amarnadh1, Author              
Schindler, Mike, Author
Ziege, Ricardo2, Author              
de Faria, Luciano C, Author
Wölfer, Jan, Author
Bidan, Cécile M.2, Author              
Mollen, Frederik H, Author
Amini, Shahrouz1, Author              
Hanna, Sean, Author
Dean, Mason N.3, Author              
Affiliations:
1Shahrouz Amini, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_3217681              
2Cecile Bidan, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2481713              
3Mason Dean, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_3034230              

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Free keywords: functional morphology; mechanical ecology; meta-analysis; biological materials; skin; bioinspiration
 Abstract: From large ventral pleats of humpback whales to nanoscale ridges on flower petals, wrinkled structures are omnipresent, multifunctional, and found at hugely diverse scales. Depending on the particulars of the biological system—its environment, morphology, and mechanical properties—wrinkles may control adhesion, friction, wetting, or drag; promote interfacial exchange; act as flow channels; or contribute to stretching, mechanical integrity, or structural color. Undulations on natural surfaces primarily arise from stress-induced instabilities of surface layers (e.g., buckling) during growth or aging. Variation in the material properties of surface layers and in the magnitude and orientation of intrinsic stresses during growth lead to a variety of wrinkling morphologies and patterns which, in turn, reflect the wide range of biophysical challenges wrinkled surfaces can solve. Therefore, investigating how surface wrinkles vary and are implemented across biological systems is key to understanding their structure-function relationships. In this work, we synthesize the literature in a metadata analysis of surface wrinkling in various terrestrial and marine organisms to review important morphological parameters and classify functional aspects of surface wrinkles in relation to the size and ecology of organisms. Building on our previous and current experimental studies, we explore case studies on nano/micro-scale wrinkles in biofilms, plant surfaces, and basking shark filter structures to compare developmental and structure-vs-function aspects of wrinkles with vastly different size scales and environmental demands. In doing this and by contrasting wrinkle development in soft and hard biological systems, we provide a template of structure-function relationships of biological surface wrinkles and an outlook for functionalized wrinkled biomimetic surfaces.

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Language(s): eng - English
 Dates: 2022-06-09
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1093/icb/icac079
 Degree: -

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Title: Integrative and Comparative Biology
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press
Pages: - Volume / Issue: - Sequence Number: icac079 Start / End Page: - Identifier: ISSN: 1557-7023