If scientists learn how to attach e-skin to prosthetic limbs, people with amputations might once again be able to feel changes in their environments.
Using tiny gold particles and a kind of resin, a team of scientists at the Technion-Israel Institute of Technology has discovered how to make a new kind of flexible sensor that one day could be integrated into electronic skin, or e-skin. If scientists learn how to attach e-skin to prosthetic limbs, people with amputations might once again be able to feel changes in their environments.
The secret lies in the sensor’s ability to detect three kinds of data simultaneously. While current kinds of e-skin detect only touch, the Technion team’s invention “can simultaneously sense touch, humidity, and temperature, as real skin can do,” says research team leader Professor Hossam Haick. Additionally, the new system “is at least 10 times more sensitive in touch than the currently existing touch-based e-skin systems.”
Researchers have long been interested in flexible sensors, but have had trouble adapting them for real-world use. To make its way into mainstream society, a flexible sensor would have to run on low voltage (so it would be compatible with the batteries in today’s portable devices), measure a wide range of pressures, and make more than one measurement at a time, including humidity, temperature, pressure, and the presence of chemicals. In addition, these sensors would also have to be able to be made quickly, easily, and cheaply.
The Technion team’s sensor has all of these qualities. The secret is the use of monolayer-capped nanoparticles that are only 5-8 nanometers in diameter. They are made of gold and surrounded by connector molecules called ligands. In fact, “monolayer-capped nanoparticles can be thought of as flowers, where the center of the flower is the gold or metal nanoparticle and the petals are the monolayer of organic ligands that generally protect it,” says Haick.
The team discovered that when these nanoparticles are laid on top of a substrate – in this case, made of PET (flexible polyethylene terephthalate), the same plastic found in soda bottles – the resulting compound conducted electricity differently depending on how the substrate was bent. (The bending motion brings some particles closer to others, increasing how quickly electrons can pass between them.) This electrical property means that the sensor can detect a large range of pressures, from tens of milligrams to tens of grams. “The sensor is very stable and can be attached to any surface shape while keeping the function stable,” says Dr. Nir Peled, Head of the Thoracic Cancer Research and Detection Center at Israel’s Sheba Medical Center, who was not involved in the research.
And by varying how thick the substrate is, as well as what it is made of, scientists can modify how sensitive the sensor is. Because these sensors can be customized, they could in the future perform a variety of other tasks, including monitoring strain on bridges and detecting cracks in engines.
“Indeed,” says Dr. Peled, “the development of the artificial skin as biosensor by Professor Haick and his team is another breakthrough that puts nanotechnology at the front of the diagnostic era.”
The Latest Bing News on:
- Artificial Skin to Improve Sense of Touch, Help Study Neural Activityon September 26, 2020 at 4:59 pm
At the Ecole polytechnique fédérale de Lausanne (EPFL) in Switzerland, researchers have created an interesting artificial “skin” that can sense touch while providing real-time haptic ...
- Regenerative Artificial Skin Market Size, Share 2020 to Reach CAGR of by 2025: Complete Overview and Premium Insights| Says Market Reports Worldon September 23, 2020 at 8:24 pm
Sep 24, 2020 (The Expresswire) -- Regenerative Artificial Skin Market research report is a comprehensive research that provides information regarding Regenerative Artificial Skinmarket size ...
- Artificial skin: One more time, with feelingon September 22, 2020 at 5:00 pm
This research dovetails with Bao’s efforts to create artificial skin that can restore feeling to people with prosthetic limbs, which was profiled recently in the "All Tech Considered" segment on NPR’s ...
- Artificial Skin Lets Robots Feelon September 20, 2020 at 5:01 pm
BioTac Artificial Skin Technology is sure to be a storm with Robotics Designers. Giving them the opportunity to add a third sense to there robotic marvels. Now they can have the sense of touch to ...
- Owl flight to artificial skin in the latest good news from scienceon September 18, 2020 at 9:12 pm
How's this for an interesting balance in science news - Australians have developed artificial skin which reacts to pain the way humans do. YET Why owls can fly silently? Still not entirely sure.
- The View’s Joy Behar defends dressing as ‘beautiful African women,’ calls it an ‘homage’on September 18, 2020 at 2:32 pm
And the View’s Joy Behar, who admitted in 2016 to having dressed in the past as “beautiful African women,” artificial skin tone and all, claims to know exactly where that line is.
- Electronic skin displays human-like reactions to pressure, temperature and painon September 14, 2020 at 2:11 am
Researchers in Australia have designed an electronic skin that displays human-like reactions to pressure, temperature and pain. Madhu Bhaskaran and colleagues at RMIT University developed the material ...
- Artificial Skin Bodes Well for Disabled Humans, Enabled Robotson September 12, 2020 at 5:00 pm
At UC Berkeley, engineers have created a material out of semiconductor nanowires that is as touch sensitive as human skin. The so called “e-skin” is projected to be used in future robots to ...
- Prototype of Artificial Electronic Skin Demonstrates Pain Responseon September 11, 2020 at 1:11 pm
Image used courtesy of RMIT University Md Ataur Rahman, a doctoral researcher working on the study, says that the memory cells in each artificial skin prototype were able to trigger a response when ...
- Clad with artificial skin, this cuddly robot is learning to 'feel' like we doon September 10, 2020 at 5:00 pm
is a global, multi-platform media and entertainment company. Powered by its own proprietary technology, Mashable is the go-to source for tech, digital culture and entertainment content for its ...
The Latest Google Headlines on:
The Latest Bing News on:
- The perfect angle for e-skin energy storageon October 13, 2020 at 5:36 am
Researchers at DGIST have found an inexpensive way to fabricate tiny energy storage devices that can effectively power flexible and wearable skin sensors along with other electronic devices, paving ...
- Petco working to take the shock out of collarson October 12, 2020 at 9:57 pm
The chain announced they would no longer be selling electronic “shock” collars, and challenged the pet industry and consumers to “create real change.” ...
- Homoeopathy can do wonders for skin diseases: AYUSHon October 12, 2020 at 1:13 am
A case study published recently in AYUHOM, the Research Journal of the North Eastern Institute of Ayurveda and Homoeopathy, Shillong illustrates this point, mentioned AYUSH.The ...
- 50 Best Barbie Toys: Dolls, Playsets, and Moreon October 10, 2020 at 9:30 pm
The toy industry staple sure has a big catalog. Here are the 50 absolute best Barbie toys available this year.
- Man needed skin graft after e-cig caused burns to his cheston October 8, 2020 at 6:30 pm
Doctors have warned about the danger of e-cigarettes after a Dublin man needed a skin graft on his chest because a faulty device leaked in his pocket.
- Eartheater - Phoenix: Flames Are Dew Upon My Skinon October 6, 2020 at 5:37 am
Here, the extremes of Eartheater come closer to merging, as she probes even deeper into her own feelings, existence and contradictions. The title Phoenix: Flames Are Dew Upon My Skin hearkens back to ...
- How to combat the dull skin of the pandemicon October 2, 2020 at 6:12 am
As the seasons turn, both skin care obsessives and the more laid-back are getting sick of the dull skin that has become a hallmark of the pandemic.
- Skin from Skunk Anansie: ‘When I hear people going on about Britpop our history just gets thrown away’on October 1, 2020 at 3:58 am
Two weeks before Britain was plunged into lockdown, rock singer Skin of Skunk Anansie came to speak to students at Leeds Arts University.
- Skunk Anansie lead singer Skin joins Absolute Radioon September 30, 2020 at 5:10 am
Absolute Radio has hired Skunk Anansie lead singer and songwriter Skin to host a new 10-part series.During the programmes, which start in October, Skin will play the songs which have sound-tracked her ...
- Skunk Anansie's Skin to join Absolute Radio for new serieson September 30, 2020 at 4:06 am
Expect some funny stories and of course some brilliant music too - from classic tracks to new music, and even some electronic gems as well.'' Absolute Radio's Content Director Paul Sylvester said: ''I ...