American Chemical Society

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2021
16 Sep 2021

Cavonix

Cavonix produces software applications for the acceleration of autonomous development. Their products are unique in that the software can be adjusted, tweaked and re-written whilst the vehicle is in motion.
15 Sep 2021

Researchers Design Sensors to Rapidly Detect Plant Hormones

SMART nanosensors are safer and less tedious than existing techniques for testing plants' response to compounds such as herbicides.
13 Sep 2021

Stretching the Capacity of Flexible Energy Storage

Some electronics can bend, twist and stretch in wearable displays, biomedical applications and soft robots. While these devices' circuits have become increasingly pliable, the batteries and supercapacitors that power them are still rigid. Now, researcher report a flexible supercapacitor with electrodes made of wrinkled titanium carbide — a type of MXene nanomaterial — that maintained its ability to store and release electronic charges after repetitive stretching.
10 Sep 2021

Dental Implant Generates Electricity by Chewing to Repair Tissue

Researchers are developing a smart dental implant that resists bacterial growth and generates its own electricity through chewing and brushing to power a tissue-rejuvenating light.
2 Sep 2021

Smart Wound Dressings with Built-In Healing Sensors

Researchers have developed smart wound dressings with built-in nanosensors that glow to alert patients when a wound is not healing properly. The multifunctional, antimicrobial dressings feature fluorescent sensors that glow brightly under UV light if infection starts to set in and can be used to monitor healing progress.
31 Aug 2021

'Smart' Shirt Keeps Tabs on the Heart

There's no need to don uncomfortable smartwatches or chest straps to monitor your heart if your comfy shirt can do a better job. That's the idea behind "smart clothing" developed by a university lab, which employed its conductive nanotube thread to weave functionality into regular apparel.
30 Aug 2021

Wearable Detects Wide Range of Airborne Toxins

Many of the products we encounter daily — from deodorant to pesticides to paint — release molecules that drift through the air. Breathing in enough of the wrong ones can cause serious and potentially long-term health problems. However, it can be hard to estimate exposure because current devices are limited in what they can detect.
9 Aug 2021

Colourful, Seaweed-Based Ink for 3D Printing

Researchers have developed a colorful new ink for 2D and 3D art made of mica pigments in alginate, a sugar from seaweed that forms a stable gel without heat.
9 Aug 2021

A Dissolvable Smartwatch Makes for Easier Electronics Recycling

Small electronics, including smartwatches and fitness trackers, aren't easily dismantled and recycled. So when a new model comes out, most users send the old devices into hazardous waste streams. To simplify small electronics recycling, researchers have developed a two-metal nanocomposite for circuits that disintegrates when submerged in water. They demonstrated the circuits in a prototype transient device — a functional smartwatch that dissolved within 40 hours.
2 Aug 2021

Flexible Ultraviolet Sensors for Use in Wearables

To enable the development of wearable devices that possess advanced ultraviolet detection functions, scientists have created a new type of light sensor that is both flexible and highly sensitive.
2 Aug 2021

'Founding Father' of Lithium Ion Batteries Helps Solve 40 Year Problem

In the late 1970s, M. Stanley Whittingham was the first to describe the concept of rechargeable lithium-ion batteries, an achievement for which he would share the 2019 Nobel Prize in Chemistry. Yet even he couldn't have anticipated the complex materials science challenges that would arise as these batteries came to power the world's portable electronics.
20 Jul 2021

Technology Restores Sense of Touch in Damaged Nerves

New and groundbreaking technology inspires hope among people who have lost their sense of touch in the nerves of a limb following amputation or injury. The technology involves a tiny sensor that is implanted in the nerve of the injured limb, for example in the finger, and is connected directly to a healthy nerve.
24 Jun 2021

Inkjet Printing Shows Promise As New Strategy For Making E-Textiles

In a new study researchers have demonstrated they could print layers of electrically conductive ink on polyester fabric to make an e-textile that could be used in the design of future wearable devices.
24 Jun 2021

FedTech (printed sensors)

FedTech is a start-up 'venture builder' that aims to provide support and funding to early stage technology-based start-ups. IDTechEx caught up with FedTech partner John Cole to discuss a current project that aims to commercialize low-cost printed gas sensors for food quality monitoring.
22 Jun 2021

Bruisable Artificial Skin Could Help Prosthetics, Robots Sense Injury

When someone bumps their elbow against a wall, they not only feel pain but also might experience bruising. Robots and prosthetic limbs don't have these warning signs, which could lead to further injury. Now, researchers have developed an artificial skin that senses force through ionic signals and also changes color from yellow to a bruise-like purple, providing a visual cue that damage has occurred.
8 Jun 2021

Flexible, High-Performance Transparent Electrodes

The future of electronic displays will be thin, flexible and durable. One barrier to this, however, is that one of the most widely used transparent conductors for electronic displays—indium tin oxide —doesn't perform as well on larger areas and can crack and break down with wear.
25 May 2021

New Possibilities for 3D-Printing Human Tissue, Vocal Chord Repair

There is no replacement for the vocal cords when damage is severe or permanent. Now, a team of materials scientists has developed a soft material with promise of new treatments in the future. Their novel soft material, called an elastomer, is very stretchable and 10,000 times softer than a conventional rubber, matching the mechanical properties of vocal cords. The elastomer can be 3D printed for use in health care.
14 May 2021

New Material Prevents Infections in Wounds

Researchers have developed a new material that prevents infections in wounds - a specially designed hydrogel, that works against all types of bacteria, including antibiotic-resistant ones. The new material offers great hope for combating a growing global problem.​
13 May 2021

Personalized Sweat Sensor Reliably Monitors Blood Glucose

Many people with diabetes endure multiple, painful finger pricks each day to measure their blood glucose. Now, researchers have developed a device that can measure glucose in sweat with the touch of a fingertip, and then a personalized algorithm provides an accurate estimate of blood glucose levels.
13 May 2021

Uncrackable Combination of Invisible Ink and Artificial Intelligence

Coded messages in invisible ink sound like something only found in espionage books, but in real life, they can have important security purposes. Yet, they can be cracked if their encryption is predictable. Now, researchers have printed complexly encoded data with normal ink and a carbon nanoparticle-based invisible ink, requiring both UV light and a computer that has been taught the code to reveal the correct messages.