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Related Experiment Video

Updated: Nov 7, 2025

A Protocol for Bioinspired Design: A Ground Sampler Based on Sea Urchin Jaws

A Protocol for Bioinspired Design: A Ground Sampler Based on Sea Urchin Jaws

Published on: April 24, 2016

Light-Designed Shark Skin-Mimetic Surfaces.

Wonhee Jo¹, Hong Suk Kang², Jaeho Choi¹

¹Department of Chemical and Biomolecular Engineering, KAIST, Daejeon 34141, Republic of Korea.

|April 29, 2021

Summary

Researchers developed a novel method to mimic shark skin

Keywords:

Biomimetics Drag reduction Micro/nanofabrication Photoreconfiguration Shark skin

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Last Updated: Nov 7, 2025

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Published on: April 24, 2016

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Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering

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Published on: March 1, 2016

Area of Science:

Biomimetics and Materials Science
Surface Engineering

Background:

Shark skin's micrometer-sized dermal denticles provide natural low-drag and antifouling properties.
These properties stem from riblet geometries that reduce shear stress by inducing parallel fluid slip.

Purpose of the Study:

To develop a novel method for accurately mimicking shark skin's denticle structures at the micrometer scale.
To create controllable, shark skin-mimetic surfaces for low-drag applications.

Main Methods:

Utilized a photoreconfigurable azopolymer.
Employed light-based techniques to create precise denticle structures.
Systematically manipulated structural parameters of the mimicked denticles.

Main Results:

Successfully created shark skin-mimetic denticle structures.
The light-designed structures exhibited superior hydrophobicity.
Demonstrated an effective antifouling effect comparable to natural shark skin.

Conclusions:

A novel photoreconfiguration technology can reliably mimic shark skin.
This technology allows for fine control over structural parameters for diverse low-drag applications.
The developed method offers a scalable approach to creating advanced biomimetic surfaces.