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  • 1995-1999  (2)
  • 1905-1909
  • Column liquid chromatography  (1)
  • Gamma-ray bursts  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Wide field X-ray monitor on board the High Energy Transient Experiment (HETE) (1995)
    Springer
    Astrophysics and space science 231 (1995), S. 463-466 
    Details
    ISSN: 1572-946X
    Keywords: Instruments ; Gamma-ray bursts ; X-ray emission
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The High-Energy Transient Experiment (HETE) is designed for the multiwavelengths study of Gamma-Ray Bursts (GRBs) in UV, X-ray and gamma-ray range with three scientific instruments. The X-ray instrument, Wide-field X-ray Monitor (WXM), consists of four units of one-dimensional position sensitive gas proportional counters and two perpendicularly oriented one-dimensional coded apertures. The WXM has a wide FOV of 1.5 steradian together with the capability to locate GRBs with ∼ 10 arcmin accuracy, and covers photon energies of 2 to 25 keV with an energy resolution of typically ∼ 18 % at 6 keV, measuring wide band spectra together with the gamma-ray spectrometer (FREGATE). The coded X-ray image will be deconvolved on board and the GRB location will be provided to the UV camera within ∼ 1 sec . GRB locations will also be broadcast in “real time” to ground-based observers for follow-up observations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00658671
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Determination of free aliphatic aldehydes in plasma by high-performance liquid chromatography of the 1,3-cyclohexanedione derivatives (1996)
    Springer
    Chromatographia 43 (1996), S. 501-506 
    Details
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Aldehydes, aliphatic ; 1,3-Cyclohexanedione (CHD) ; Fluorimetric detection ; Plasma analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A simple and sensitive method is proposed for the measurement of aldehydes in plasma. The plasma samples are treated with 1,3-cyclohexanedione (CHD) and after addition of the internal standard (the CHD derivative of octaldehyde) are analysed by reversed-phase high-performance liquid chromatography with an acetonitrile-water gradient as the mobile phase. Detection is by fluorimetry with excitation at 395 nm and emission at 457 nm. In plasma samples spiked with aldehydes, the calibration curves showed good linearity in the range 0–10 μg mL−1. The recoveries of aldehydes were quantitative; coefficients of within-day and between-day variation were less than 13% and 11%, respectively. Applications to human and some animal plasma samples are reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02293001
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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