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Image: 3D microscopic image of an optical LED-based cochlear implant (blue LEDs in gray silicone encapsulation) with hair cells (orange) and auditory nerve (blue/green); Copyright: Daniel Keppeler, UM

Better hearing with optical cochlear implants

27/04/2021

Understanding spoken words, developing normal speech - cochlear implants enable people with profound hearing impairment to gain a great deal in terms of quality of life. However, background noises are problematic, they significantly compromise the comprehension of speech of people with cochlear implants. The team led by Tobias Moser is therefore working to improve cochlear implants.
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Photo: a black and gray rolled up grid structure. The new material under the microscope; Copyright: Ma Lab

'Ice cube tray' scaffold: returning sight to injured retinas

23/04/2021

Researchers at UW-Madison have made new photoreceptors from human pluripotent stem cells. However, it remains challenging to precisely deliver those photoreceptors within the diseased or damaged eye so that they can form appropriate connections, says David Gamm, director of the McPherson Eye Research Institute.
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Photo: a hand in a purple glove holds a device on a tabletop, in which a long needle is installed; Copyright: Aalto University

Medical needles for high-tech cancer diagnostics

22/04/2021

Modern medicine needs better quality samples than traditional biopsy needles can provide, ultrasonically oscillating needles can improve treatment and reduce discomfort.
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Photo: the mini pancreas prototype in a light blue; Copyright: 2021 EPFL / A.Herzog

Bioprinted mini pancreas will help in the fight against diabetes

21/04/2021

EPFL spin-off Readily3D has developed a novel system that can print biological tissue in just 30 seconds. The firm’s technology is being used in a large-scale European project to develop a living model of the pancreas for testing new drugs.
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Photo: a cent piece on which two small chips were placed; Copyright: Jijun He, Junqiu Liu (EPFL)

New tech builds ultralow-loss integrated photonic circuits

20/04/2021

Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of today's global telecommunication networks and our information society.
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Image:young woman with dark blond braided hair in a lab coat; Copyright: Sergey Gnuskov/ NUST MISIS

Bioactive implant coatings resistant to most bacterial strains

16/04/2021

Young scientists from NUST MISIS have presented multilayer antibacterial coatings with a prolonged effect and a universal spectrum of action.
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Image: Exosomes (magenta) released from a stent in the blood vessels; Copyright: Cheng Lab

Exosome-coated stent heals vascular Injury and repairs tissue

15/04/2021

A recent case study from North Carolina State University and the University of North Carolina at Chapel Hill demonstrates that, with training, neural control of a powered prosthetic ankle can restore a wide range of abilities, including standing on very challenging surfaces and squatting.
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Image: man performing squatting activity with different prosthetic devices; Copyright: Aaron Fleming

Prosthetic ankles can restore a wide range of functions

14/04/2021

A recent case study from North Carolina State University and the University of North Carolina at Chapel Hill demonstrates that, with training, neural control of a powered prosthetic ankle can restore a wide range of abilities, including standing on very challenging surfaces and squatting.
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Image: Electron microscopy images show the degradation in action; Copyright: University of Sydney

Discovery could help lengthen lifespan of electronic devices

13/04/2021

Ferroelectric materials are used in many devices, including memories, capacitors, actuators and sensors. These devices are commonly used in both consumer and industrial instruments, such as computers, medical ultrasound equipment and underwater sonars.
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Image: Schematic representation of the coherent control of a spin defect in an atomic layer of boron nitride; Copyright: Andreas Gottscholl / University of Wuerzburg

Spin defects under control

09/04/2021

Boron nitride is a technologically interesting material because it is very compatible with other two-dimensional crystalline structures. It therefore opens up pathways to artificial heterostructures or electronic devices built on them with fundamentally new properties.
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