June 23, 2018

Recyclable electronic skin has robotics and biomedical potential

12 February 2018, 06:06 | Winston Chapman

Recyclable electronic skin has robotics and biomedical potential

Recyclable electronic skin has robotics and biomedical potential

A group of specialists from the University of Colorado (CU) Boulder have as of late developed a novel sort of flexible, self-recuperating and thoroughly recyclable "electronic skin".

The study regarding the advancement was published in the journal of Science Advances.

Consisting of a translucent thin band, the electronic skin (abbreviated E-skin) tries to mimic numerous human skin's properties and functionalities and can be used in a wide range of applications. It's built around a covalently bonded dynamic network polymer, known as polyimine, laced with silver nanoparticles to provide better conductivity and mechanical strength.

Researchers at University of Colorado Boulder have developed an electronic skin that can be recycled and it can also heal itself.

"What is unique here is that the chemical bonding of polyimine we use allows the e-skin to be both self-healing and fully recyclable at room temperature", said Jianliang Xiao, assistant professor at University of Colorado Boulder.

Kim Jong-Un Invites South Korea's President To Summit Meeting
The report also highlighted the joint entry by the two teams of the DPRK and South Korea into the stadium . The North hopes to win the South Korean public over by focusing on the idea of a united Korean people.

Sri Lanka ex-leader Mahinda Rajapakse demands snap polls after victory
The president's party has 41 legislators and the prime minister's party commands 106 MPs in the 225-member parliament. Sirisena faces a sterner challenge from his predecessor Mahinda Rajapaksa.

Both Koreas Summoned to Work Together for Presidential Summit
The very day Moon received the invitation, the North vowed to "quantitatively and qualitatively bolster" its nuclear capabilities. But North Korea's record on human rights and the growing threat from its nuclear weapons program appeared out of mind.

Finally, to reuse the skin, the gear is splashed into reusing arrangement, influencing the polymers to debase into oligomers (polymers with polymerization degree typically underneath 10) and monomers (little atoms that can be combined into polymers) that are solvent in ethanol. So, if e-skin fails to operate or it is broken beyond fix then one can soak it in a solution that "liquefies it so that the materials can be re-used to create new e-skin".

Imagine indeed. The team says further research will aim to improve the mechanical and electrical properties of the e-skin, optimising the flexibility, recyclability and self-healing for a range of different applications. According to the scientists, in the future, e-skin should help robots feel pressure and temperature, and also help the amputees themselves feel it. Those are the electronic devices that we use, although they don't work the same as our natural skin does. "E-skin can basically mimic those [preventative] functions".

The electronic skin comes with pressure, humidity, airflow, and temperature and sensors and it is made of three separate compounds, which are combined and aligned with silver nanoparticles. Pressure triggered a reaction in the skin that lights up blue, green, red, and yellow LEDs; as pressure increased the lights got brighter.

The Berkley team suggested the invention could be useful in artificial skin for prosthetic limbs, attached to human skin to monitor health, and used in robotics. It's soft, but not as stretchy as human skin.

Other News

Trending Now

International Space Station could be privatized under Trump administration plan
It didn't immediately propose what private enterprise might do with the station or what companies might take it over. The station allows global crews to conduct scientific research in the environment of low Earth orbit.

Seoul seeks communication, lower military tension ahead of possible North Korea summit
The previous meetings came after rounds of global talks aimed at eliminating the North's nuclear program, which eventually failed. Vice-President Mike Pence who sat just a few feet (less than a meter) away and seemed to make an effort not to acknowledge them.

Galaxy S9 could pair with this rebooted Samsung accessory
The two phones will be unviled at the company's Galaxy Unpacked 2018 event and Samsung has already sent out invites for the same. As you'd expect, each of the different families of cover are being offered in a variety of colors, too.

Memorable moments at PyeongChang 2018 opening ceremonies
They said Pence could have opted to sit with the U.S. delegation and avoided the box that included the North Koreans. Kim Yo Jong is probably Kim's closest confidant and is a senior cadre in North Korea's ruling party.