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3-D DNA Nanotubes

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PHOENIX, Jan. 2, 2009 – Researchers at Arizona State University (ASU) have revealed, for the first time, three-dimensional characters of DNA nanotubes, rings and spirals, each a few hundred thousandths the diameter of a human hair. According to Hao Yan and Yan Liu, researchers at ASU's Biodesign Institute and faculty in the Department of Chemistry and Biochemistry, these DNA nanostructures may soon find their way into a new generation of ultratiny electronic and biomedical innovations. 5-nm gold nanoparticles wrap around the perimeter of a DNA nanotube in a spiral pattern. The 3-D structures have been...Read full article

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    Published: January 2009
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    photometry
    Photometry is the branch of science that deals with the measurement of light, particularly in terms of its intensity and the way the human eye perceives it. It involves the quantification of visible light and its characteristics, such as brightness and color. Photometric measurements often consider the spectral sensitivity of the human eye to different wavelengths of light and use standardized units to express light intensity. In astronomy, photometry is used to study the brightness of...
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Anchi ChengArizona State UniversityASUs Biodesign InstituteBasic Sciencebiochemistrybiomedical advancesBiophotonicscell-cell communicationcellular synthesisConsumerDNA moleculesgold nanoparticlesgreen photonicsHao YanJonanthan BrownellnanoNews & FeaturesphotometryphotonicsphotovoltaicsScripps Research Institutesteric hindrancethree-dimensional DNA nanostructurestouch screen and flexible displaysultratiny electronicsYan Liu

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