• HOME
  • NEWS
    • BIOENGINEERING
    • SCIENCE NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • FORUM
    • INSTAGRAM
    • TWITTER
  • CONTACT US
Monday, January 25, 2021
BIOENGINEER.ORG
No Result
View All Result
  • Login
  • HOME
  • NEWS
    • BIOENGINEERING
    • SCIENCE NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • FORUM
    • INSTAGRAM
    • TWITTER
  • CONTACT US
  • HOME
  • NEWS
    • BIOENGINEERING
    • SCIENCE NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • FORUM
    • INSTAGRAM
    • TWITTER
  • CONTACT US
No Result
View All Result
Bioengineer.org
No Result
View All Result
Home NEWS Science News Medical Technology

Researchers Create Powerful Muscles From Fishing Line

Bioengineer by Bioengineer
February 21, 2014
in Medical Technology
0
Share on FacebookShare on TwitterShare on LinkedinShare on RedditShare on Telegram

An international team led by The University of Texas at Dallas has discovered that ordinary fishing line and sewing thread can be cheaply converted to powerful artificial muscles.

Scientists Create Powerful Artificial Muscle With Fishing Line

The new muscles can lift 100 times more weight and generate 100 times higher mechanical power than a human muscle of the same length and weight. Per weight, they can generate 7.1 horsepower per kilogram, about the same mechanical power as a jet engine.

In a paper published Feb. 21 in the journal Science, the researchers explain that the powerful muscles are produced by twisting and coiling high-strength polymer fishing line and sewing thread. Scientists at UT Dallas’ Alan G. MacDiarmid NanoTech Institute teamed with scientists from universities in Australia, South Korea, Canada, Turkey and China to accomplish the advances.

The muscles are powered thermally by temperature changes, which can be produced electrically, by the absorption of light or by the chemical reaction of fuels. Twisting the polymer fiber converts it to a torsional muscle that can spin a heavy rotor to more than 10,000 revolutions per minute. Subsequent twisting, so that the polymer fiber coils like a heavily twisted rubber band, produces a muscle that dramatically contracts along its length when heated, and returns to its initial length when cooled. If coiling is in a different twist direction than the initial polymer fiber twist, the muscles instead expand when heated.

Compared to natural muscles, which contract by only about 20 percent, these new muscles can contract by about 50 percent of their length. The muscle strokes also are reversible for millions of cycles as the muscles contract and expand under heavy mechanical loads.

“The application opportunities for these polymer muscles are vast,” said corresponding author Dr. Ray Baughman, the Robert A. Welch Distinguished Chair in Chemistry at UT Dallas and director of the NanoTech Institute. “Today’s most advanced humanoid robots, prosthetic limbs and wearable exoskeletons are limited by motors and hydraulic systems, whose size and weight restrict dexterity, force generation and work capability.”

Baughman said the muscles could be used for applications in which superhuman strengths are sought, such as robots and exoskeletons. Twisting together a bundle of polyethylene fishing lines, whose total diameter is only about 10 times larger than a human hair, produces a coiled polymer muscle that can lift 16 pounds. Operated in parallel, similar to how natural muscles are configured, 100 of these polymer muscles could lift about 1,600 pounds, Baughman said.

On the opposite extreme, independently operated coiled polymer muscles having a diameter less than a human hair could bring lifelike facial expressions to humanoid companion robots for the elderly and dexterous capabilities for minimally invasive robotic microsurgery. Also, they could power miniature “laboratories on a chip,” as well as devices for communicating the sense of touch from sensors on a remote robotic hand to a human hand.

The polymer muscles are normally electrically powered by resistive heating using the metal coating on sewing thread or by using metal wires that are twisted together with the muscle. For other applications, however, the muscles can be self-powered by environmental temperature changes, said Carter Haines, lead author of the study.

“We have woven textiles from the polymer muscles whose pores reversibly open and close with changes in temperature. This offers the future possibility of comfort-adjusting clothing,” said Haines, who started his research career in Baughman’s lab as a high school student doing summer research through the George A. Jeffrey NanoExplorers Program, which Baughman initiated. Haines earned an undergraduate physics degree from UT Dallas and is now a doctoral student in materials science and engineering.

The research team also has demonstrated the feasibility of using environmentally powered muscles to automatically open and close the windows of greenhouses or buildings in response to ambient temperature changes, thereby eliminating the need for electricity or noisy and costly motors.

Other UT Dallas NanoTech Institute researchers involved with the work are Dr. Shaoli Fang, associate research professor; Dr. Márcio Lima and Dr. Mikhail Kozlov, research scientists; Dr. Na Li, Dr. Mônica Jung de Andrade, Dr. Jiyoung Oh and Dr. Xavier Lépro, research associates; and Benjamin Swedlove, graduate research assistant.

International collaborators are Dr. Geoffrey M. Spinks, Dr. Javad Foroughi, Dr. Sina Naficy and Dr. Gordon G. Wallace from the University of Wollongong (Australia); Dr. Fatma Göktepe and Dr. Özer Göktepe from Namik Kemal University (Turkey); Shi Hyeong Kim and Dr. Seon Jeong Kim from Hanyang University (Korea); Seyed M. Mirvakili and Dr. John D. W. Madden from the University of British Columbia (Canada); and Xiuru Xu from Jilin University (China).

The research was principally funded by the Air Force Office of Scientific Research, with additional funding from the Air Force, the Office of Naval Research, the Robert A. Welch Foundation, the Creative Research Initiative Center for Bio-Artificial Muscle, the Korea-U.S. Air Force Cooperation Program, the Australian Research Council, the Australian National Fabrication Facility, a Canada Discovery grant, the China National 973 Project and NSF China.

Story Source:

The above story is based on materials provided by UT Dallas Amanda, Siegfried.
Image: Seyed Mohammad Mirvakili

Share12Tweet8Share2ShareShareShare2

Related Posts

blank

Designing better medical implants

May 18, 2015
blank

A Nano-transistor Assesses Your Health Via Sweat

May 16, 2015

Researchers develop custom artificial membranes to study the molecular basis of disease

May 8, 2015

Thermometer-like device could help diagnose heart attacks

May 7, 2015
Next Post
blank

An Essential Step toward Printing Living Tissues

blank

Sound-sensing cells regenerated in ears of mice

Leave a Reply Cancel reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

POPULAR NEWS

  • IMAGE

    The map of nuclear deformation takes the form of a mountain landscape

    54 shares
    Share 22 Tweet 14
  • People living with HIV face premature heart disease and barriers to care

    67 shares
    Share 27 Tweet 17
  • New drug form may help treat osteoporosis, calcium-related disorders

    41 shares
    Share 16 Tweet 10
  • New findings help explain how COVID-19 overpowers the immune system

    35 shares
    Share 14 Tweet 9

About

We bring you the latest biotechnology news from best research centers and universities around the world. Check our website.

Follow us

Tags

Medicine/HealthTechnology/Engineering/Computer ScienceBiologyChemistry/Physics/Materials SciencesGeneticsClimate ChangeCell BiologyPublic HealthInfectious/Emerging DiseasescancerMaterialsEcology/Environment

Recent Posts

  • UToledo awarded Department of Defense funding to advance promising new chemotherapy
  • Efficient solid-state depolymerization of waste PET
  • Fine tuning first-responder immune cells may reduce TBI damage
  • Regulating the ribosomal RNA production line
  • Contact Us

© 2019 Bioengineer.org - Biotechnology news by Science Magazine - Scienmag.

No Result
View All Result
  • Homepages
    • Home Page 1
    • Home Page 2
  • News
  • National
  • Business
  • Health
  • Lifestyle
  • Science

© 2019 Bioengineer.org - Biotechnology news by Science Magazine - Scienmag.

Welcome Back!

Login to your account below

Forgotten Password?

Create New Account!

Fill the forms below to register

All fields are required. Log In

Retrieve your password

Please enter your username or email address to reset your password.

Log In