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Search results for electronic skins

Optics & Photonics May 11, 2023

Laser direct writing of Ga2O3/liquid metal-based flexible humidity sensors

Recent studies in emerging flexible humidity sensors have achieved great developments in advanced manufacturing methods, as well as innovative applications including human health care detection, plant health management and ...

Bio & Medicine May 10, 2023

Researchers develop injectable bioelectrodes with tunable lifetimes

Implantable bioelectrodes are electronic devices that can monitor or stimulate biological activity by transmitting signals to and from living biological systems. Such devices can be fabricated using various materials and ...

Condensed Matter May 8, 2023

A new twist on chirality: Researchers extend the concept of directionality and propose a new class of materials

It is often desirable to restrict flows—whether of sound, electricity, or heat—to one direction, but naturally occurring systems almost never allow this. However, unidirectional flow can indeed be engineered under certain ...

Optics & Photonics May 8, 2023

Ã…ngstrom-depth resolution with chemical specificity at the liquid-vapor interface

Surfactants play an important role in every day life, for instance as major components in soaps. Since they feature hydrophilic and hydrophobic parts in their structure, they accumulate at water interfaces with air and can ...

Bio & Medicine May 3, 2023

Engineers develop electroconductive hydrogel for biomedical applications

Synthetic hydrogels show great promise in tissue repair, drug delivery, medical implants and many other applications. Hydrogels functionalized with electrically conductive components can be used in bioelectronic devices for ...

Optics & Photonics Apr 26, 2023

Highly multicolored, light-emitting arrays for compressive spectroscopy on a chip

Miniaturized and multicolored light-emitting device arrays provide a promising instrument to sense, image and compute in materials science and applied physics. A range of emission colors can be achieved by using conventional ...

Nanophysics Apr 21, 2023

Student discovers 3D printable ink that 'everyone was looking for,' says physics professor

Finding a 3D printable ink that conducts electricity, yet is strong, flexible and stretchable, has been a goal of materials scientists around the world since 3D printing began, says Daeha Joung, Ph.D., an assistant professor ...

Nanomaterials Apr 18, 2023

Researchers design a cellulose nanofiber paper that can be used as a substrate for on-skin electronics

The idea of wirelessly gathering electrical information from the body through the skin is not new. However, the ideal electrode material must fulfill a significant list of criteria to be a realistic candidate for use on patients. ...

Biochemistry Apr 11, 2023

Newly revealed properties of melanin 'ingredient' could advance bioelectronics

After nearly a century of scientific inquiry, scientists have at last been able to characterize a key component in the substance responsible for giving countless living organisms their color.

Analytical Chemistry Mar 30, 2023

A paper-based sensor to detect pesticides in food quickly and cheaply

Researchers at the University of São Paulo (USP) in Brazil have developed a kraft paper-based electrochemical sensor that can detect traces of pesticides in fruit and vegetables in real time when coupled to an electronic ...

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