نتایج جستجو برای: assisted laser desorption
تعداد نتایج: 307043 فیلتر نتایج به سال:
M. J. Northway,1 J. T. Jayne,1 D. W. Toohey,2 M. R. Canagaratna,1 A. Trimborn,1 K.-I. Akiyama,3 A. Shimono,4 J. L. Jimenez,5,6 P. F. DeCarlo,2,6 K. R. Wilson,7 and D. R. Worsnop1 1Aerodyne Research, Inc., Billerica, Massachusetts, USA 2Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, Colorado, USA 3Japan Automobile Research Institute, Ibariki, Japan 4Sanyu Plant ...
The current paradigm of isolated attosecond pulse production requires a few-cycle pulse as the driver for high-harmonic generation that has a cosine-like electric field stabilized with respect to the peak of the pulse envelope. Here, we present simulations and experimental evidence that the production of high-harmonic light can be restricted to one or a few cycles on the leading edge of a laser...
Matrix assisted laser desorption ionization time of flight mass spectrometry has been explored as a tool to bacterial colony morphotyping. To this end, four colony morphotypes of Pseudomonas aeruginosa and four of Staphylococcus aureus were analysed using intact bacteria. Results suggest that mass spectrometry of intact bacteria could, in some extent, be used to complement the classical morphol...
We construct ensembles of random integrable matrices with any prescribed number of nontrivial integrals and formulate integrable matrix theory (IMT)-a counterpart of random matrix theory (RMT) for quantum integrable models. A type-M family of integrable matrices consists of exactly N-M independent commuting N×N matrices linear in a real parameter. We first develop a rotationally invariant param...
Max-Planck-Institut für Kernphysik, Heidelberg, Germany LASP, University of Colorado, Boulder, CO, USA Institut fuer Planetologie, Westfälische Wilhelms-Universität, Münster, Germany IGEP, Universität Braunschweig, Braunschweig, Germany Max-Planck-Institut für Sonnensystemforschung, Katlenburg-Lindau, Germany Institut für Raumfahrtsysteme, Universität Stuttgart, Germany Department of the Geophy...
HR/AM analysis is a versatile method for residue analysis offering full quantitation capabilities in combination with unrestricted target and unknown screening options. Ultrahigh resolution delivered by the OrbitrapTM mass analyzer detection in the Exactive Plus mass spectrometer serves for reliability and selectivity comparable to established MS/MS techniques. Full UHPLC compatibility with unc...
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