Сборщик RSS-лент

Cartwheeling light reveals new optical phenomenon

Nanowerk.com - 29 июня, 2020 - 21:47
Scientists have discovered details about a novel type of polarized light-matter interaction with light that literally turns end over end as it propagates from a source. Their find could help study molecules like those in light-harvesting antennas anticipated to have unique sensitivity to the phenomenon.
Категории: Nano planet

Researchers catch a wave to determine how forces control granular material properties

Nanowerk.com - 29 июня, 2020 - 21:41
Physicists used X-ray measurements and analyses to show that velocity scaling and dispersion in wave transmission is based on grainy particle arrangements and chains of force between them, while reduction of wave intensity is caused mainly from grainy particle arrangements alone.
Категории: Nano planet

Spraying ethanol on nanofiber masks makes them reusable, study finds

ScienceDaily.com: Nanotechnology News - 29 июня, 2020 - 19:02
Researchers evaluate the filtration efficiency of nanofiber and melt-blown filters when cleaned with ethanol.
Категории: Nano planet

Producing a gaseous messenger molecule inside the body, on demand

ScienceDaily.com: Nanotechnology News - 29 июня, 2020 - 19:02
Method could shed light on nitric oxide's role in the neural, circulatory, and immune systems.
Категории: Nano planet

Researchers control elusive spin fluctuations in 2D magnets

ScienceDaily.com: Nanotechnology News - 29 июня, 2020 - 19:01
A team developed a new imaging technique that is fast and sensitive enough to observe elusive critical fluctuations in two-dimensional magnets. This real-time imaging allows researchers to control the fluctuations and switch magnetism via a ''passive'' mechanism that could eventually lead to more energy-efficient magnetic storage devices.
Категории: Nano planet

Physicists see surprisingly strong light, high heat from nanogaps between plasmonic electrodes

ScienceDaily.com: Nanotechnology News - 29 июня, 2020 - 19:01
Physicists discover that plasmonic metals can be prompted to produce ''hot carriers'' that in turn emit unexpectedly bright light in nanoscale gaps between electrodes. The phenomenon could be useful for photocatalysis, quantum optics and optoelectronics.
Категории: Nano planet

Multifunctional nanofiber protects against explosions

Nanowerk.com - 29 июня, 2020 - 18:14
Researchers have developed a lightweight, multifunctional nanofiber material that can protect wearers from both extreme temperatures and ballistic threats.
Категории: Nano planet

Producing a gaseous messenger molecule inside the body, on demand

Nanowerk.com - 29 июня, 2020 - 18:07
Method could shed light on nitric oxide's role in the neural, circulatory, and immune systems.
Категории: Nano planet

Engineers use 'DNA origami' to identify vaccine design rules

Nanowerk.com - 29 июня, 2020 - 17:58
In lab tests, virus-like DNA structures coated with viral proteins provoke a strong immune response in human B cells.
Категории: Nano planet

The first liquid retina prosthesis

Nanowerk.com - 29 июня, 2020 - 17:50
Liquid, biocompatible and micro-injectable, the new retinal prosthesis is an aqueous suspension of photoactive nanoparticles that functionally replace the photoreceptors of the retina damaged by degenerative diseases and aging.
Категории: Nano planet

Physicists see surprisingly strong light, high heat from nanogaps between plasmonic electrodes

Nanowerk.com - 29 июня, 2020 - 17:42
Seeing light emerge from a nanoscale experiment didn't come as a big surprise to physicists. But it got their attention when that light was 10,000 times brighter than they expected.
Категории: Nano planet

Researchers control elusive spin fluctuations in 2D magnets

Nanowerk.com - 29 июня, 2020 - 16:19
Researchers developed a new imaging technique that is fast and sensitive enough to observe these elusive critical fluctuations in two-dimensional magnets. This real-time imaging allows researchers to control the fluctuations and switch magnetism via a 'passive' mechanism that could eventually lead to more energy-efficient magnetic storage devices.
Категории: Nano planet

A new theory for semiconductors made of nanocrystals

Nanowerk.com - 29 июня, 2020 - 16:12
Scientists have provided the first theoretical explanation for how electrical current is conducted in semiconductors made of nanocrystals. In the future, this could lead to the development of new sensors, lasers or LEDs for TV screens.
Категории: Nano planet

Stopping the unstoppable with atomic bricks

Nanowerk.com - 29 июня, 2020 - 14:29
A research team developed method for trapping elusive electrons.
Категории: Nano planet

Nanoelectromechanical switches based reconfigurable computing

Nanowerk.com - 29 июня, 2020 - 09:37
Novel complementary nanoelectromechanical (CNEM) switches based on complementary ferroelectric nanocracks integrate the advantages of ferroelectric and nanoelectromechanical switches, such as nonvolatility, quasi-zero OFF-state leakage current and low operating voltage. These ferroelectric crack-based CNEM switches could realize energy-efficient and high-density reconfigurable computing, which can be specialized to a particular task through its universal programmability, offering large flexibility and short time from design to realization.
Категории: Nano planet

Researchers print, tune graphene sensors to monitor food freshness, safety

Nanowerk.com - 29 июня, 2020 - 09:06
Researchers are using high-resolution printing technology and the unique properties of graphene to make low-cost biosensors to monitor food safety and livestock health.
Категории: Nano planet

Ученые разработали технологию трехмерной печати генно-инженерных конструкций для направленной регенерации костных тканей

Нанометр.ру — Новости - 27 июня, 2020 - 23:07
Группа российских ученых разработала оригинальную технологию трехмерной печати персонализированных изделий из биоактивной керамики и создала персонализированные ген-активированные имплантаты. Проведен комплексный физико-химический и биохимический анализ экспериментальных образцов ген-активированных материалов и персонализированных имплантатов для инженерии и направленной регенерации костных тканей, полученных с использованием технологий трехмерной печати, включая доклинические исследования на крупных животных.
Категории: Планета НАНО

Ученые из ИОФ РАН осуществили лазерный перенос графена

Нанометр.ру — Новости - 27 июня, 2020 - 23:07
Исследователи из Института общей физики им. А.М. Прохорова РАН (ИОФ РАН) напечатали «смятый» графен на кремниевой подложке, используя метод лазерно-индуцированного прямого переноса. Этот относительно простой процесс может заменить трудоемкие литографические способы создания гарфеновых структур в перспективных устройствах микроэлектроники.
Категории: Планета НАНО

Перст-дайджест

Нанометр.ру — Новости - 27 июня, 2020 - 23:06
В новом выпуске бюллетеня «ПерсТ»: Графеновые маски выходят на борьбу с Covid 19. Графен губит вирусы. Сенсор для противотуберкулезного препарата. Взаимодействие Дзялошинского-Мории и механическая деформация. Скирмионы займутся растяжкой?
Категории: Планета НАНО

'Simulation microscope' examines transistors of the future

Nanowerk.com - 26 июня, 2020 - 19:41
Using a supercomputer, researchers have simulated and evaluated one hundred possible materials for designing high-performance transistors and discovered 13 promising candidates.
Категории: Nano planet