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  • Accelerator mass spectrometry (AMS); Accumulation rate, mass; Age, dated; Age, dated standard deviation; Archive of Ocean Data; ARCOD; ARK-XI/1; Calculated; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gravity corer (Kiel type); Kara Sea; Polarstern; PS2718-6; PS36; PS36/002; Sample code/label; Sedimentation rate; SL  (1)
  • Accurate mass  (1)
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  • 1
    facet.materialart.
    Unknown
    Radiocarbon datings of mollusk shells, sedimentation rates and accumulation rates of sediment matter in core PS2718-6 (2000)
    PANGAEA
    In:  Supplement to: Levitan, Mikhail A; Arnold, M; Burtman, M V; Ivanova, Elena V; Marina, Mariya M (2000): On the Holocene sedimentation history of the eastern Kara Sea. Translated from Okeanologiya, 2000, 40(4), 614-620, Oceanology, 40(4), 577-582
    Details
    Publication Date: 2024-07-01
    Description: A bottom sediment core about 8 m long sampled in the eastern Kara Sea near the entrance to the Vil'kitsky Strait was studied. An age model was constructed based on four 14C datings obtained from by thy accelerating mass spectrometry method. Results of grain size, chemical, mineralogical, and foraminiferal analyses were adjusted to the model. A paleoceanological interpretation of these data together with paleoclimatic data on the Bol'shevik Island located in the neighborhood was performed.
    Keywords: Accelerator mass spectrometry (AMS); Accumulation rate, mass; Age, dated; Age, dated standard deviation; Archive of Ocean Data; ARCOD; ARK-XI/1; Calculated; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gravity corer (Kiel type); Kara Sea; Polarstern; PS2718-6; PS36; PS36/002; Sample code/label; Sedimentation rate; SL
    Type: Dataset
    Format: text/tab-separated-values, 32 data points
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    DATA PANGAEA
  • 2
    Electronic Resource
    Electronic Resource
    Accurate Mass Measurements Using MALDI-TOF with Delayed Extraction (1997)
    Springer
    The protein journal 16 (1997), S. 363-369 
    Details
    ISSN: 1573-4943
    Keywords: Accurate mass ; MALDI-TOF ; delayed extraction ; mass spectrometry ; peptide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometry is now an essential tool in biopolymer analysis. Sensitivity and mass range are unsurpassed, but mass measurement accuracy and resolution have been limited. With delayed extraction and a reflecting analyzer, mass measurements using MALDI-TOF can be made with an accuracy of a few parts per million (ppm). It is possible to distinguish Lys from Gln in peptides, and to determine the elemental composition of smaller molecules (mass 100–500). In database searching strategies, a smaller mass window, resulting from an increase in mass accuracy, greatly decreases the number of possible candidates. Mass measurement accuracy with errors less than 5 ppm is demonstrated on a mixture of 12 peptides ranging in mass from ca. 900 to 3700 Da. Mass measurements on 13 peaks in an unseparated tryptic digest of myoglobin gave results with an overall average error less than 3.5 ppm, with a maximum error of 7 ppm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1026376403468
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    Paper (German National Licenses)
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