Nano planet

Chemists create the ultimate natural sunscreen

ScienceDaily.com: Nanotechnology News - 17 мая, 2017 - 16:06
Chemists, materials scientists and nanoengineers have created what may be the ultimate natural sunscreen. They report the development of nanoparticles that mimic the behavior of natural melanosomes, melanin-producing cell structures that protect our skin, eyes and other tissues from the harmful effects of ultraviolet radiation.
Категории: Nano planet

Better cathode materials for lithium-sulphur-batteries

Nanowerk.com - 17 мая, 2017 - 16:05
Researchers have for the first time fabricated a nanomaterial made from nanoparticles of a titanium oxide compound that is characterized by an extremely large surface area, and tested it as a cathode material in lithium-sulphur batteries. The highly porous nanomaterial possesses high storage capacity that remains nearly constant over many charging cycles.

Категории: Nano planet

Ultrafast tunable semiconductor metamaterial created

Nanowerk.com - 17 мая, 2017 - 15:55
An international team of researchers have devised an ultrafast tunable metamaterial based on gallium arsenide nanoparticles. The new optical metamaterial paves the way to ultrafast information transfer on the nanoscale.

Категории: Nano planet

Silk proteins paired with renewable wood nanocellulose produces possibly the strongest artificial spider silk yet

Nanowerk.com - 17 мая, 2017 - 15:40
Combining spider silk proteins with nanocellulose from wood, the process offers a low-cost and scalable way to make bioactive materials for a wide range of medical uses.

Категории: Nano planet

Nanoengineers create the ultimate natural sunscreen

Nanowerk.com - 17 мая, 2017 - 15:32
Researchers report the development of nanoparticles that mimic the behavior of natural melanosomes, melanin-producing cell structures that protect our skin, eyes and other tissues from the harmful effects of ultraviolet radiation.

Категории: Nano planet

How to directly measure the surface energy of pure graphene

Nanowerk.com - 17 мая, 2017 - 12:00
Access to accurate surface energy values of graphene is not only of fundamental interest, but provides a useful reference for anyone involved in research on graphene properties, (surface) modifications, and the implementation of graphene in devices. New research demonstrates the successful application of the graphene surface force balance (g-SFB) to directly measure the surface energy of pure graphene. This work is of fundamental interest to a broad community and will aid the advancement of fundamental measurements of 2D and other nanomaterials.

Категории: Nano planet

Floating fields for fine fabrication (w/video)

Nanowerk.com - 17 мая, 2017 - 10:22
A new magnetic system could precisely control the movement of levitating objects for many manufacturing applications.

Категории: Nano planet

Scientists develop real-time technique for studying ionic liquids at electrode interfaces

Nanowerk.com - 16 мая, 2017 - 20:36
Determining how the ions of the liquid move and rearrange in response to an applied voltage on electrodes is key to optimizing the performance of ionic liquids for energy storage devices.

Категории: Nano planet

Managing stress helps transistor performance

Nanowerk.com - 16 мая, 2017 - 18:04
Using tensile stress via a contact etching stop layer (CESL) to improve frequency performance.

Категории: Nano planet

Engaging diamond for next-era transistors

Nanowerk.com - 16 мая, 2017 - 17:59
Materials scientists have developed a new diamond transistor fabrication process that promises to advance the development of more robust and energy-efficient electronics.

Категории: Nano planet

Oddball enzyme provides easy path to synthetic biomaterials

ScienceDaily.com: Nanotechnology News - 16 мая, 2017 - 17:47
Materials scientists have written the recipe on how to use an oddball enzyme to build new biomaterials out of DNA. The work provides instructions for researchers the world over to build self-assembling molecules for applications ranging from drug delivery to nanowires.
Категории: Nano planet

First flat lens for immersion microscope provides alternative to centuries-old technique

ScienceDaily.com: Nanotechnology News - 16 мая, 2017 - 17:47
Scientists have developed the first flat lens for immersion microscopy. This lens, which can be designed for any liquid, may provide a cost-effective and easy-to-manufacture alternative to the expensive, centuries-old technique of hand polishing lenses for immersion objectives.
Категории: Nano planet

A superior near-infrared organic light emitting diode

Nanowerk.com - 16 мая, 2017 - 16:55
Researchers have shown record external quantum efficiencies for diodes based on organic red/NIR oligomers free from heavy/toxic metals and combining electron-withdrawing (A) moieties together with electron-donating (D) ones, in a previously poorly studied A-D-A motif.

Категории: Nano planet

Evidence of topological excitations in a quantum magnet

Nanowerk.com - 16 мая, 2017 - 16:48
Researchers advance our understanding of condensed matter systems by showing that such topological states can arise in a completely new setting.

Категории: Nano planet

Oddball enzyme provides easy path to synthetic biomaterials

Nanowerk.com - 16 мая, 2017 - 16:38
Materials scientists have written the recipe on how to use an oddball enzyme to build new biomaterials out of DNA. The work provides instructions for researchers the world over to build self-assembling molecules for applications ranging from drug delivery to nanowires.

Категории: Nano planet

Energy decay in graphene resonators

Nanowerk.com - 16 мая, 2017 - 16:33
A study reveals a new way of energy dissipation in graphene nano-resonators.

Категории: Nano planet

The brighter side of twisted polymers

Nanowerk.com - 16 мая, 2017 - 16:28
Conjugated polymers designed with a twist produce tiny, brightly fluorescent particles with broad applications.

Категории: Nano planet

Energy decay in graphene resonators

ScienceDaily.com: Nanotechnology News - 16 мая, 2017 - 16:08
Researchers have observed a new way of energy dissipation in graphene nano-resonators, outlines a new report.
Категории: Nano planet

Transparent tactile e-skin based on single-layer graphene

Nanowerk.com - 16 мая, 2017 - 12:44
Researchers present a promising approach toward the development of an energy-autonomous, flexible, and transparent tactile skin based on single-layer graphene integrated onto a photovoltaic cell.

Категории: Nano planet

Researchers use graphene to stimulate the body's immune response

Nanowerk.com - 16 мая, 2017 - 12:27
Scientists have identified a new way to trigger the body's immune response by using polymer-coated graphene sheets.

Категории: Nano planet