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Nanomaterial self-assembly imaged in real time

10-Jun-2015

A team of researchers from UC San Diego, Florida State University and Pacific Northwest National Laboratories has for the first time visualized the growth of 'nanoscale' chemical complexes in real time, demonstrating that processes in liquids at the scale of one-billionth of a meter can be ...

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New nanomaterials inspired by bird feathers play with light to create color

Wide range of pure colors created by nanoscale arrangement of synthetic melanin

19-May-2015

Inspired by the way iridescent bird feathers play with light, scientists have created thin films of material in a wide range of pure colors - from red to green - with hues determined by physical structure rather than pigments.Structural color arises from the interaction of light with materials ...

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'Holey' graphene for energy storage

28-Apr-2015

Engineers at the University of California, San Diego have discovered a method to increase the amount of electric charge that can be stored in graphene, a two-dimensional form of carbon. The research, published in Nano Letters, may provide a better understanding of how to improve the energy ...

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Chemists create modular system for placing proteins on membranes

22-Apr-2015

With a tag, an anchor and a cage that can be unlocked with light, chemists have devised a simple, modular system that can locate proteins at the membrane of a cell."If you're trying to emulate the way nature does this, you need a lot of complex machinery," said Andrew Rudd, a graduate student in ...

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Tattoo-like sensor can detect glucose levels without a painful finger prick

16-Jan-2015

Scientists have developed the first ultra-thin, flexible device that sticks to skin like a rub-on tattoo and can detect a person's glucose levels. The sensor, reported in a proof-of-concept study in the ACS journal Analytical Chemistry, has the potential to eliminate finger-pricking for many ...

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Basis for electronics that stretch at the molecular level

07-May-2014

Nanoengineers at the University of California, San Diego are asking what might be possible if semiconductor materials were flexible and stretchable without sacrificing electronic function? Today's flexible electronics are already enabling a new generation of wearable sensors and other mobile ...

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New materials for hydrogen storage

17-Apr-2014

Engineers at the University of California, San Diego, have created new ceramic materials that could be used to store hydrogen safely and efficiently. The researchers have created for the first time compounds made from mixtures of calcium hexaboride, strontium and barium hexaboride. They also have ...

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Crystals ripple in response to light

First propagating surface phonon polaritons in a van der Waals crystal

10-Mar-2014

Light can trigger coordinated, wavelike motions of atoms in atom-thin layers of crystal, scientists have shown. The waves, called phonon polaritons, are far shorter than light waves and can be "tuned" to particular frequencies and amplitudes by varying the number of layers of crystal, they report ...

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The surface of the sea is a sink for nitrogen oxides at night

05-Mar-2014

The surface of the sea takes up nitrogen oxides that build up in polluted air at night, new measurements on the coast of southern California have shown. The ocean removes about 15 percent of these chemicals overnight along the coast, a team of atmospheric chemists reports in the early online ...

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Mystery of odd patterns of oxygen in solar system's earliest rocks

Reaction replicates formation of first silicate dust; oxygen isotopes match mix seen in stony meteorites

28-Oct-2013

Cosmochemists have solved a long standing mystery in the formation of the solar system: Oxygen, the most abundant element in Earth's crust, follows a strange, anomalous pattern in the oldest, most pristine rocks, one that must result from a different chemical process than the well-understood ...

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