Search Results - (Author, Cooperation:S. C. Yoon)

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  1. 1
    B. C. Koo ; Y. H. Lee ; D. S. Moon ; S. C. Yoon ; J. C. Raymond
    American Association for the Advancement of Science (AAAS)
    Published 2013
    Staff View
    Publication Date:
    2013-12-18
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Keywords:
    *Exobiology ; Phosphorus/*analysis ; *Planets ; Spectroscopy, Near-Infrared
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Staff View
    Publication Date:
    2011-02-05
    Publisher:
    Nature Publishing Group (NPG)
    Print ISSN:
    0028-0836
    Electronic ISSN:
    1476-4687
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Keywords:
    DNA Copy Number Variations/*genetics ; Gene Duplication/genetics ; Genetic Predisposition to Disease/genetics ; *Genetics, Population ; Genome, Human/*genetics ; *Genomics ; Genotype ; Humans ; Mutagenesis, Insertional/genetics ; Reproducibility of Results ; Sequence Analysis, DNA ; Sequence Deletion/genetics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Suh, T. -S. ; Bova, F. ; Yoon, S. C. ; Shinn, K. S. ; Bahk, Y. W.
    Springer
    Published 1993
    Staff View
    ISSN:
    1741-0444
    Keywords:
    Computer-aided design optimisation ; LINAC ; stereotactic radiosurgery ; three-dimensional dose calculation
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Notes:
    Abstract The work presented in the paper addresses a method for obtaining the optimal dose distribution for LINAC-based stereotactic radiosurgery. As many targets have nonspherical or irregular shapes and three-dimensional dose calculations included in dose optimisation, long computation times are required to determine the optimum isocentre separation and collimator sizes to shape the irregular target using the multiple-isocentre approach, by trial-and-error types of method. The simple approach, using a computer-aided design optimisation technique and a fast approximate dose model, has been developed to find the optimum isocentre positions and collimator sizes quickly and automatically. A spherical dose model has been developed to represent the dose for a standard arc system with a single isocentre. The implementation of computer-aided design algorithms with the spherical dose model and their application to several cases are discussed. It is shown that the spherical dose model gives dose distribution similar to that of the exact dose model, which makes this simple dose model more efficient, with computer-aided design optimisation, in finding optimum isocentre positions and collimator sizes used in stereotactic radiosurgery.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  4. 4
    Hearn, M. J. ; Briggs, D. ; Yoon, S. C. ; Ratner, B. D.

    Chichester [u.a.] : Wiley-Blackwell
    Published 1987
    Staff View
    ISSN:
    0142-2421
    Keywords:
    Chemistry ; Polymer and Materials Science
    Source:
    Wiley InterScience Backfile Collection 1832-2000
    Topics:
    Physics
    Notes:
    A series of fluorine-containing segmented poly(ether urethanes) and poly(ether urethane ureas), previously characterized by angular dependent x-ray photoelectron spectroscopy (XPS) have been re-examined using static secondary ion mass spectrometry (SIMS). Comparison of the data from the two techniques has shown that the intensity of secondary ion signals which characterize the hard and soft segments can be used quantitatively for direct analyis of the molecular composition at the surface. Moreover, the SIMS sampling depth for the conditions used has been shown to be ∼ 10 Å, significantly less than the XPS sampling depth under normal conditions, and similar to the XPS sampling depth at high glancing take-off angle (with respect to the surface normal).
    Additional Material:
    8 Ill.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses