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Review on Artificial Muscle

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Submitted By jqjaime018
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Republic of the Philippines
Bulacan State University
THE GRADUATE SCHOOL
City of Malolos, Bulacan

A Review on an Article entitled “Onion Artificial Muscles” an Applied Physics Letter Entry

Submitted by: Jacqueline Jaime Bartolome Submitted to: Oliver Alaijos
Major: General Science Subject: Animal Biology
Date: October 10, 2015 Subject Code: GS 706

A Vegetable-based Artificial Muscle
Chien-Chun Chen, Wen-Pin Shih, Pei-Zen Chang, Hsi-Mei Lai, Shing-Yun Chang, Pin-Chun Huang, and Huai-An Jeng. “Onion Artificial Muscle.” Applied Physics Letters. 106.183702 (2015):1-5. Web.
I. Overview
Artificial muscles are devices that can reversibly contract, expand, or rotate within one component due to an external stimulus such as voltage, current, pressure, or temperature. Contraction, expansion and rotation can be combined together within a single component to produce other types of motions, like bending.1 Most of artificial muscle technologies are made with rubber, polymers coated with metal, carbon nanotubes, dielectric elastomers, nanoporous composites, combined gel and plastic (polyacrylonitrile), and fishing lines. But a group of researchers created artificial muscles that are able to contract and expand while bending out of the epidermis of onions coated with gold. Their initial goal was to develop and engineered microstructure in artificial muscle for increasing the amount the muscle can bend or stretched when triggered. They discovered that the onion’s epidermis has dimensions and cell structure similar to the artificial muscle they were making.
Before their study, there have been no artificial muscles created that can contract and expand simultaneously.
The scientists found that the single layered, latticed microstructure of onion cells after acid treatment can become elastic and could simultaneously stretch and bend when an electric field is applied. This

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