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Nano meets beetles from wing to tiptoe: Versatile tools for smart and reversible adhesions

Paper ID Volume ID Publish Year Pages File Format Full-Text
32149 44905 2012 18 PDF Available
Title
Nano meets beetles from wing to tiptoe: Versatile tools for smart and reversible adhesions
Abstract

SummaryNanoscale observation of beetle's attachment systems has revealed various exquisite multiscale architectures for essential functions such as wing fixation, crawling, mating, and protection from predators. Some of these adhesion systems are mediated by liquid secretion (capillary force), whereas some are purely operated by direct interlocking of high-density microfibers or contact of mushroom-like hairy structures (van der Waals force). In this review, we present an overview of recent advances in beetle-inspired, artificial dry and wet adhesives in the context of nanofabrication and material properties. For convenience, the beetle's adhesions from wing to tiptoe are classified into four types: hair interlocking, mushroom-shaped pads, oil-assisted spatula-shaped pads, and claws. After introducing the structural features and functions of these systems, we describe how the current nanofabrication methods can be applied to mimic or exploit the systems. Furthermore, relevant beetle-inspired structural materials, devices (fastener, medical tape, electric connector, etc.) and microrobots are briefly overviewed, which would shed light on future smart, directional and reversible adhesion systems.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (174 K)Download as PowerPoint slideHighlights► We provide an overview of various structural functions of beetles and recent advances in beetle-inspired versatile tools. ► We investigate beetle-inspired materials and devices: the wing-locking device, mushroom-shaped dry adhesives, and oil-assisted wet adhesive devices. ► Current nanofabrication methods and theoretical investigations are introduced to exploit relevant beetle-inspired structural materials and devices. ► Perspectives and future directions are provided for beetle-inspired nano research beyond the current conceptual prototypes for innovative conversion systems.

Keywords
Beetle; Dry/wet adhesion; Wing locking; Interlocker; Microrobot
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Nano meets beetles from wing to tiptoe: Versatile tools for smart and reversible adhesions
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 7, Issue 6, December 2012, Pages 496–513
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us