Monday, July 10, 2017

Spontaneous system follows rules of equilibrium

Discovery hints at general framework for non-equilibrium systems.

In the fast lane - conductive electrodes are key to fast-charging batteries

Researchers use mxene to push charging rate limits in energy storage.

Forget defrosting at a glacial pace: New research speeds process up tenfold

Using what he calls 'a very simple chemical recipe', a scientist has found a way to defrost surfaces 10 times faster than normal.

Harnessing hopping hydrogens for high-efficiency OLEDs

Researchers have demonstrated that a molecule that slightly changes its chemical structure before and after emission can achieve a high efficiency in organic light-emitting diodes (OLEDs).

Nature-inspired material uses liquid reinforcement

Nanoengineers create liquid-solid composites using clues from nature.

How do you build a metal nanoparticle?

Novel theory explains how metal nanoparticles form.

Researchers revolutionize brain-computer interfaces using silicon electronics

In new DARPA project, researchers exploit the latest in silicon electronics to invent an implanted brain-interface device that could transform how artificial systems enhance brain functions.

Nanoparticles coated with antibiotic eliminate drug-resistant bacteria

A new report shows that silver-silica nanoparticles with an ampicillin coating are safe for human cells and lethal to antibiotic-resistant microorganisms.

New candidate material for room temperature spintronics

The promising new material is ultra-thin, electrically conducting at the edge and highly insulating within - and all that at room temperature.

From 1D polymers to 2D polymers

Scientists report a facile, highly efficient, and versatile strategy for preparation of free-standing single-monomer-thick 2D polymers in water without any aid.

Targeting neurons with nanoparticles

A research team has elucidated the mechanisms through which nanoparticles modulate bioelectric activity from single neuron to neuronal networks.

Nanostructured microfluidics platform detects infectious pathogens

Researchers report a new zinc oxide nanorods integrated microchip that captures avian influenza virus on immunologically functionalized ZnO nanorod surface and detect viruses by multiplexed sandwich immunoassay.

Novel nanocellulose hydrogel suitable for 3D printing

Researchers have developed a nanocellulose-alginate hydrogel suitable for 3D printing. The composition of the hydrogel was optimized based on material characterization methods and 3D printing experiments.

Gold nanocone array for regulating neuronal behavior

Researchers report the enhanced neurite outgrowth of rat primary cortical neurons on the periodic gold nanocone arrays created on the soft and flexible Teflon films.

Highly sensitive nanofiber-embedded touchscreens

Researchers have demonstrated the fabrication of transparent and flexible cellulose nanofiber films with high k values by incorporating ultralong metal nanofibers.

Guiding brain tumor surgery with nanoprobes

Researchers have developed two pH-responsive nanoprobes to guide brain-tumor surgery via the magnetic resonance (MR) and surface-enhanced resonance Raman spectroscopy (SERRS) signals activated upon their self-assembly in acidic tumor extracellular fluid.

Gold nanoclusters possess surprisingly high wide-spectrum antimicrobial activity

Researchers have demonstrated that it is possible to confer antimicrobial activity to gold nanoparticles, which have long been considered as inert, by way of controlling their sizes to the nanocluster range.

Making functional nanoparticle assemblies through programmable stacking

Inspired by suprabiomolecular assembly governed by stacking interactions, researchers have developed a versatile strategy to assemble nanoparticles of diverse sizes and compositions into nanoparticle pillars with tailorable internal nanoparticle configurations.

California court revokes US EPA approval of nanosilver product

A federal appeals court in California has revoked the Environmental Protection Agency's conditional approval of a nanosilver product used in a wide range of consumer products.

How to fabricate centimeter-scale nanoporous graphene membranes

A new study addresses the challenges posed by the design, fabrication, and performance evaluation of centimeter-scale nanoporous graphene membranes.

Piezoelectric nanogenerators for self-powered flexible sensors

Researchers have demonstrated a high performance flexible piezoelectric nanogenerator based on a piezoelectrically enhanced nanocomposite micropillar array of BaTiO3 nanoparticles embedded into a highly crystalline polymer for efficient energy harvesting and highly sensitive self-powered sensing.

Synthetic nano-bio architecture for nanocatalytic photon-to-hydrogen conversion

Researchers demonstrate that a minimalistic cell-free strategy for production of artificial transmembrane protein complexes can be employed as a chassis for the construction of functional bionanoarchitectures capable of catalyzing photon-energy-to-hydrogen transformation.