Home / Knowledge / News / Textiles / Carbon nanotube-coated smart yarn (electric yarn) that detects blood

Carbon nanotube-coated smart yarn (electric yarn) that detects blood

18
Dec '08
A carbon nanotube-coated “smart yarn” that conducts electricity could be woven into soft fabrics that detect blood and monitor health, engineers at the University of Michigan have demonstrated.

“Currently, smart textiles are made primarily of metallic or optical fibers. They're fragile. They're not comfortable. Metal fibers also corrode. There are problems with washing such electronic textiles. We have found a much simpler way—an elegant way—by combining two fibers, one natural and one created by nanotechnology,” said Nicholas Kotov, a professor in the departments of Chemical Engineering, Materials Science and Engineering and Biomedical Engineering.

Kotov and Bongsup Shim, a doctoral student in the Department of Chemical Engineering, are among the co-authors of a paper on this material currently published online in Nano Letters.

To make these “e-textiles,” the researchers dipped 1.5-millimeter thick cotton yarn into a solution of carbon nanotubes in water and then into a solution of a special sticky polymer in ethanol. After being dipped just a few times into both solutions and dried, the yarn was able to conduct enough power from a battery to illuminate a light-emitting diode device.

“This turns out to be very easy to do,” Kotov said. “After just a few repetitions of the process, this normal cotton becomes a conductive material because carbon nanotubes are conductive.”

The only perceptible change to the yarn is that it turned black, due to the carbon. It remained pliable and soft.

In order to put this conductivity to use, the researchers added the antibody anti-albumin to the carbon nanotube solution. Anti-albumin reacts with albumin, a protein found in blood. When the researchers exposed their anti-albumin-infused smart yarn to albumin, they found that the conductivity significantly increased. Their new material is more sensitive and selective as well as more simple and durable than other electronic textiles, Kotov said.

Clothing that can detect blood could be useful in high-risk professions, the researchers say. An unconscious firefighter, ambushed soldier, or police officer in an accident, for example, couldn't send a distress signal to a central command post. But the smart clothing would have this capability.

Kotov says a communication device such as a mobile phone could conceivably transmit information from the clothing to a central command post.

“The concept of electrically sensitive clothing made of carbon-nanotube-coated cotton is flexible in implementations and can be adapted for a variety of health monitoring tasks as well as high performance garments,” Kotov said.

It is conceivable that clothes made out of this material could be designed to harvest energy or store it, providing power for small electronic devices, but such developments are many years away and pose difficult challenges, the engineers say.

The paper published online in Nano Letters is titled, “Smart Electronic Yarns and Wearable Fabrics for Human Biomonitoring Made by Carbon Nanotube Coating with Polyelectrolytes.” Other contributors are with Jiangnan University in China.


Must ReadView All

Pic: Shutterstock

Textiles | On 25th Sep 2020

UK finance minister outlines Winter Economy Plan

UK chancellor of the exchequer Rishi Sunak yesterday outlined...

Pic: Shutterstock

Textiles | On 25th Sep 2020

India in process of finalising Mauritius FTA: minister

India is in the process of finalising the proposed free trade...

Pic: Shutterstock

Textiles | On 25th Sep 2020

Indonesia expects economy to shrink by 1.7-0.6% this year

Indonesia recently revised down its 2020 gross domestic product...

Interviews View All

Top executives, Textile industry

Top executives
Textile industry

Textile institutes need to change their curriculum

Karan Suratwala, Key Textile Accessories Private Limited

Karan Suratwala
Key Textile Accessories Private Limited

Chinese imports are destroying the supply chain

Milind Khandwe, Hindoostan Innovation Centre

Milind Khandwe
Hindoostan Innovation Centre

‘Modern technical textile is an indispensable tool for science and...

Kalai Selvi,

Kalai Selvi

Vidyashilp Academy in Bengaluru is the country's first Fairtrade School....

Cem Erdogrul,

Cem Erdogrul

Turkey-based Temsan Air Engineering is one of the leading manufacturers of ...

Tony Naschberger,

Tony Naschberger

With production sites in Klagenfurt and Kufstein, Zimmer Austria is a...

Mary-Cathryn Kolb, Brrr°

Mary-Cathryn Kolb
Brrr°

Atlanta-based private start-up Brrr° was founded in 2014 to develop...

Pierre Wiertz, EDANA

Pierre Wiertz
EDANA

Pierre Wiertz talks about the vast world of sustainable nonwovens and...

Shlomzion Chen, Seevix

Shlomzion Chen
Seevix

Seevix Material Sciences Ltd, which develops and manufactures synthetic...

Adriano Goldschmied, AG Jeans

Adriano Goldschmied
AG Jeans

The hype around 'designer jeans' was created by him. And the new wave of...

Rajesh Pratap Singh, Rajesh Pratap Singh

Rajesh Pratap Singh
Rajesh Pratap Singh

<div>Ace fashion designer <b>Rajesh Pratap Singh</b> has used Tencel to...

Sidharth Sinha, Sidharth Sinha

Sidharth Sinha
Sidharth Sinha

<b>Sidharth Sinha</b> has contributed to the successful rebirth and...

Press Release

Press Release

Letter to Editor

Letter to Editor

RSS Feed

RSS Feed

Submit your press release on


editorial@fibre2fashion.com

Letter To Editor






(Max. 8000 char.)

Search Companies





SEARCH

Leave your Comments


September 2020

Subscribe today and get the latest update on Textiles, Fashion, Apparel and so on.


Advanced Search