Wednesday, January 14, 2015

Nanoengineers develop temporary tattoo to monitor glucose levels

Nanoengineers have tested a temporary tattoo that both extracts and measures the level of glucose in the fluid in between skin cells. This first-ever example of the flexible, easy-to-wear device could be a promising step forward in noninvasive glucose testing for patients with diabetes.


Chemical dial controls attraction between water-repelling molecules

A group of researchers has provided new insights on hydrophobic interactions within complex systems. They show how the nearby presence of polar substances can change the way the non-polar hydrophobic groups want to stick to each other.

Carbon nanotube finding could lead to flexible electronics with longer battery life

Materials engineers have made a significant leap toward creating higher-performance electronics with improved battery life - and the ability to flex and stretch.

Two-dimensional metamaterial surface manipulates light

A single layer of metallic nanostructures has been designed, fabricated and tested by a team of electrical engineers that can provide exceptional capabilities for manipulating light.


Rapid journey through a crystal lattice

Researchers measure how long electrons need to travel through single atomic layers.


Flexible and stackable laser induced graphene supercapacitors

Scientists advanced their recent development of laser-induced graphene by producing and testing stacked, three-dimensional supercapacitors, energy-storage devices that are important for portable, flexible electronics.


A novel assay for screening urinary biomarkers employs two advanced technologies

A fast and accurate urine test for bladder cancer has the potential to replace the currently used invasive physical probe.


Studying the health impacts of engineered nanomaterials

The health and environmental impacts of engineered nanomaterials are unknown and there is precedent for concern about inhalation of them.


Hierarchically porous polymers with fast absorption

Scientists developed a method to form micropores of less than 2 nanometers within porous polymers where 10 nanometers long mesopores are connected like a net. The best feature of the porous polymers is the fast absorption of molecules.


A new step towards using graphene in electronic applications

Researchers have managed, with atomic precision, to create nanostructures combining graphene ribbons of varying widths.

Laser-induced ripples could enhance solar cell efficiency

Laser processing produces deep ripples in silicon over a wide area - something that could enhance solar cell efficiency.