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  • Embargo expired:
    30-Mar-2016 5:00 AM EDT

Article ID: 650583

Revealing the Fluctuations of Flexible DNA in 3-D

Lawrence Berkeley National Laboratory

Scientists have captured the first high-resolution 3-D images from individual double-helix DNA segments attached to gold nanoparticles, which could aid in the use of DNA segments for nanoscale drug-delivery systems, markers for biological research, and components for electronic devices.

Released:
28-Mar-2016 12:05 PM EDT
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  • Embargo expired:
    28-Mar-2016 3:00 PM EDT

Article ID: 650514

Nature-Inspired Nanotubes That Assemble Themselves, with Precision

Lawrence Berkeley National Laboratory

Berkeley Lab scientists have discovered a family of nature-inspired polymers that, when placed in water, spontaneously assemble into hollow crystalline nanotubes. What’s more, the nanotubes can be tuned to all have the same diameter of between five and ten nanometers, depending on the length of the polymer chain.

Released:
25-Mar-2016 4:05 PM EDT
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Article ID: 650516

New Method to Identify Nanoparticles in Tissue May Shed Light on Their Health Impact

Stony Brook University

A team of researchers have demonstrated a pioneering method for the rapid visualization and identification of engineered nanoparticles in tissue.

Released:
25-Mar-2016 4:05 PM EDT
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Article ID: 650289

DNA Devices Perform Bio-Analytical Chemistry Inside Live Cells

University of Chicago

In 2011, Yamuna Krishnan’s research group became the first to demonstrate the functioning of a DNA nanomachine inside a living organism. Last summer, her team reported another achievement: the development of a DNA nanosensor that measures the physiological concentration of chloride.

Released:
24-Mar-2016 9:05 AM EDT
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Article ID: 650376

Graphene Nanoribbons: It's All About the Edges

Empa, Swiss Federal Laboratories for Materials Science and Technology

As reported by the journal Nature in its latest issue, researchers from Empa, the Max Planck Institute in Mainz and the Technical University of Dresden have for the first time succeeded in producing graphene nanoribbons with perfect zigzag edges from molecules. Electrons on these zigzag edges exhibit different (and coupled) rotational directions ("spin"). This could make graphene nanoribbons the material of choice for electronics of the future, so-called spintronics.

Released:
24-Mar-2016 4:05 AM EDT
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Article ID: 650346

Novel Water-Removal Technique Boosts Performance of Carbon Nanomaterials

Los Alamos National Laboratory

New research illuminating water’s critical role in forming catalysts for oxygen reduction in materials has revealed the key to designing next-generation carbon nanomaterials with enhanced performance for fuel cells and batteries.

Released:
23-Mar-2016 2:05 PM EDT
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  • Embargo expired:
    22-Mar-2016 11:00 AM EDT

Article ID: 650055

Printing Nanomaterials with Plasma

American Institute of Physics (AIP)

Printing has come a long way since the days of Johannes Gutenberg. Now, researchers have developed a new method that uses plasma to print nanomaterials onto a 3-D object or flexible surface, such as paper or cloth. The technique could make it easier and cheaper to build devices like wearable chemical and biological sensors, flexible memory devices and batteries, and integrated circuits. They describe their work in this week’s Applied Physics Letters.

Released:
18-Mar-2016 9:05 AM EDT
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Article ID: 650162

Wrinkles and Crumples Make Graphene Better

Brown University

Crumple a piece of paper and it's probably destined for the trash can, but new research shows that repeatedly crumpling sheets of the nanomaterial graphene can actually enhance some of its properties. In some cases, the more crumpled the better.

Released:
21-Mar-2016 2:05 PM EDT
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Article ID: 650154

New Way to Control Particle Motions on 2-D Materials

Massachusetts Institute of Technology (MIT)

Study points the way to new photonic devices with one-way traffic lanes.

Released:
21-Mar-2016 1:05 PM EDT
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Article ID: 649912

Advanced Energy Storage Material Gets Unprecedented Nanoscale Analysis

Oak Ridge National Laboratory

Researchers have combined advanced in-situ microscopy and theoretical calculations to uncover important clues to the properties of a promising next-generation energy storage material for supercapacitors and batteries.

Released:
16-Mar-2016 11:05 AM EDT
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