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  • Articles  (2)
  • Capillary isotachophoresis  (1)
  • Fourier transform ion cyclotron resonance-mass spectrometry  (1)
  • 1
    Electronic Resource
    Electronic Resource
    On-line capillary electrophoresis-electrospray ionization mass spectrometry of nucleotides (1995)
    Weinheim : Wiley-Blackwell
    Electrophoresis 16 (1995), S. 389-395 
    Details
    ISSN: 0173-0835
    Keywords: Capillary zone electrophoresis ; Capillary isotachophoresis ; Mass spectrometry ; Tandem mass spectrometry ; Nucleotide separation ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Capillary zone electrophoresis (CZE) and reversed anionic capillary isotachophoresis (CITP) conditions have been developed for the separation of mixtures comprised of monophosphate nucleosides, pyridine and flavin dinucleotides, and monophosphate dinucleosides. Results for the on-line coupling of CZE and CITP with electrospray ionization mass spectrometry (MS) are presented. CITP-tandem MS is utilized to provide both molecular weight and structural information of monophosphate dinucleosides. The fragmentation pattern of dinucleotides in the low collision energy range is described. The resulting mass spectra are readily interpreted in terms of dinucleotide structures. These results demonstrate the new capability for applications for the study of DNA and RNA.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150160165
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  • 2
    Electronic Resource
    Electronic Resource
    The interface of capillary electrophoresis with high performance fourier transform ion cyclotron resonance mass spectrometry for biomolecule characterization (1996)
    Weinheim : Wiley-Blackwell
    Electrophoresis 17 (1996), S. 1808-1817 
    Details
    ISSN: 0173-0835
    Keywords: Capillary electrophoresis ; Capillary isoelectric focusing ; Fourier transform ion cyclotron resonance-mass spectrometry ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: The interfacing of capillary electrophoresis (CE) with Fourier transform ion cyclotron resonance-mass spectrometry (FTICR-MS) and the factors which dictate obtainable performance (i.e., sensitivity, mass resolution, scan rate and duty cycle) are described. We demonstrate the current status of the technique with examples of capillary zone electrophoresis (CZE) and capillary isotachophoresis (CITP) with FTICR analyses of proteins and oligonucleotides, and describe current limitations on sensitivity and scan speed. The first on-line interfacing of capillary isoelectric focusing (CIEF) with FTICR is also demonstrated and shown to be effective for separating minor components of protein mixtures for on-line mass spectral analysis. Finally, the potential for greatly improved performance based upon recent advances in FTICR instrumentation and methods is briefly described.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150171204
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    Paper (German National Licenses)
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