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Archive for the ‘nanotechnology’ category: Page 30

Apr 20, 2024

Researchers set new standards for nanoparticles, helping patients with MS, ALS, Parkinson’s disease

Posted by in categories: biotech/medical, nanotechnology, neuroscience

Is it possible for nanoparticles to go through the digestive system and deliver medicine directly to the brain tissue? Researchers from Michigan State University say yes, and their latest findings are expected to benefit patients with neurodegenerative disorders like multiple sclerosis, or MS; amyotrophic lateral sclerosis, or ALS; and Parkinson’s disease, or PD.

Apr 19, 2024

Giant nanomechanical energy storage capacity in twisted single-walled carbon nanotube ropes

Posted by in categories: energy, nanotechnology

A single-walled carbon nanotube spring stores three times more mechanical energy than a lithium-ion battery, while offering wide temperature stability and posing no explosion risk.

Apr 19, 2024

Graphene’s Light-Speed Electrons Promise Revolution in Nanoscale Transistors

Posted by in categories: computing, nanotechnology, particle physics

Researchers have shown that double-layer graphene can function both as a superconductor and an insulator, a property that could revolutionize transistor technology. This dual functionality allows for the development of nanoscale transistors that are highly energy-efficient.

An international research team led by the University of Göttingen has demonstrated experimentally that electrons in naturally occurring double-layer graphene move like particles without any mass, in the same way that light travels. Furthermore, they have shown that the current can be “switched” on and off, which has potential for developing tiny, energy-efficient transistors – like the light switch in your house but at a nanoscale. The Massachusetts Institute of Technology (MIT), USA, and the National Institute for Materials Science (NIMS), Japan, were also involved in the research. The results were published in the scientific journal Nature Communications.

Apr 18, 2024

Charge travels like light in bilayer graphene

Posted by in categories: computing, nanotechnology, particle physics

An international research team led by the University of Göttingen has demonstrated experimentally that electrons in naturally occurring double-layer graphene move like particles without any mass, in the same way that light travels.

Furthermore, they have shown that the current can be “switched” on and off, which has potential for developing tiny, energy-efficient transistors – like the light switch in your house but at a nanoscale.

The Massachusetts Institute of Technology (MIT), USA, and the National Institute for Materials Science (NIMS), Japan, were also involved in the research. The results were published in Nature Communications (“Probing the tunable multi-cone band structure in Bernal bilayer graphene”).

Apr 17, 2024

Two-dimensional nanomaterial sets expansion record

Posted by in categories: cybercrime/malcode, nanotechnology

It is a common hack to stretch a balloon out to make it easier to inflate. When the balloon stretches, the width crosswise shrinks to the size of a string. Noah Stocek, a Ph.D. student collaborating with Western physicist Giovanni Fanchini, has developed a new nanomaterial that demonstrates the opposite of this phenomenon.

Apr 17, 2024

Quantum Stretch: Unveiling the Future of Elastic Displays

Posted by in categories: computing, nanotechnology, quantum physics

Intrinsically stretchable quantum dot light-emitting diodes. Credit: Institute for Basic Science.

Intrinsically stretchable quantum dot-based light-emitting diodes achieved record-breaking performance.

A team of South Korean scientists led by Professor KIM Dae-Hyeong of the Center for Nanoparticle Research within the Institute for Basic Science has pioneered a novel approach to stretchable displays. The team announced the first development of intrinsically stretchable quantum dot light-emitting diodes (QLEDs).

Apr 17, 2024

“Neutronic Molecules” — Neutrons Meet Quantum Dots in Groundbreaking MIT Discovery

Posted by in categories: nanotechnology, particle physics, quantum physics

Study shows neutrons can bind to nanoscale atomic clusters known as quantum dots. The finding may provide insights into material properties and quantum effects.

Neutrons are subatomic particles that have no electric charge, unlike protons and electrons. That means that while the electromagnetic force is responsible for most of the interactions between radiation and materials, neutrons are essentially immune to that force.

Neutron interaction through the strong force.

Apr 17, 2024

Quantum electronics: Charge travels like light in bilayer graphene

Posted by in categories: computing, nanotechnology, particle physics, quantum physics

An international research team led by the University of Göttingen has demonstrated experimentally that electrons in naturally occurring double-layer graphene move like particles without any mass, in the same way that light travels. Furthermore, they have shown that the current can be “switched” on and off, which has potential for developing tiny, energy-efficient transistors—like the light switch in your house but at a nanoscale.

Apr 16, 2024

New analysis reveals the brutal history of the Winchcombe meteorite’s journey through space

Posted by in category: nanotechnology

Intensive new nano-analysis of the Winchcombe meteorite has revealed how it was affected by water and repeatedly smashed apart and reassembled on the journey it took through space before landing in an English sheep field in 2021.

Apr 14, 2024

Nothing is everything: How hidden emptiness can define the usefulness of filtration materials

Posted by in categories: biotech/medical, mathematics, nanotechnology

Voids, or empty spaces, exist within matter at all scales, from the astronomical to the microscopic. In a new study, researchers used high-powered microscopy and mathematical theory to unveil nanoscale voids in three dimensions. This advancement is poised to improve the performance of many materials used in the home and in the chemical, energy and medical industries—particularly in the area of filtration.

Magnification of common filters used in the home shows that, while they look like a solid piece of material with uniform holes, they are actually composed of millions of randomly oriented tiny voids that allow small particles to pass through. In some industrial applications, like water and solvent filtration, paper-thin membranes make up the barriers that separate fluids and particles.

“The materials science community has been aware of these randomly oriented nanoscale voids within filter membranes for a while,” said Falon Kalutantirige, a University of Illinois Urbana-Champaign graduate student.

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