News Column

Data on Nanocrystals Reported by Researchers at Nihon University

May 16, 2014

By a News Reporter-Staff News Editor at Science Letter -- A new study on Nanocrystals is now available. According to news reporting originating in Tokyo, Japan, by NewsRx journalists, research stated, "We introduce diffracted electron tracking (DET), which combines two electron microscopy techniques, electron backscatter diffraction and the use of an environmental cell in a scanning electron microscope to measure changes in nanocrystal-orientation. The accuracy of DET was verified by measuring the motion of a flat gold crystal caused by the rotation or tilting of the specimen stage."

The news reporters obtained a quote from the research from Nihon University, "DET was applied to measure the motion of semifixed gold nanocrystals in various environments. In addition to large motions induced in water environment, DET could detect small differences in the three-dimensional (3D) motion amplitude between vacuum environment and an Ar gas environment DET promises to be a useful method for measuring the motion of single nanocrystals in various environments."

According to the news reporters, the research concluded: "This measuring technique may be used in a wide range of scientific fields; for example, DET may be a prospective method to track the single molecule dynamics of molecules labeled with gold nanocrystals."

For more information on this research see: Time-resolved measurement of the three-dimensional motion of gold nanocrystals in water using diffracted electron tracking. Ultramicroscopy, 2014;140():1-8. Ultramicroscopy can be contacted at: Elsevier Science Bv, PO Box 211, 1000 Ae Amsterdam, Netherlands (see also Nanocrystals).

Our news correspondents report that additional information may be obtained by contacting N. Ogawa, Nihon University, Coll Humanities & Sci, Dept. of Phys, Setagaya Ku, Tokyo 1568550, Japan. Additional authors for this research include Y. Hirohata, Y.C. Sasaki and A. Ishikawa.

Keywords for this news article include: Asia, Tokyo, Japan, Nanotechnology, Emerging Technologies

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Source: Science Letter

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