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Open Access Green as soon as Postprint is submitted to ZB.
Targeted borate complex formation as followed with electrospray ionization Fourier transform ion cyclotron mass spectrometry: Monomolecular model system and polyborate formation.
Rapid Commun. Mass Spectrom. 22, 3119-3129 (2008)
Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS) was applied to identify boric acid(B degrees)/borate(B-) complexes in a monomolecular model system, composed of aqueous caffeic acid and boric acid/borate solutions in various concentration ratios at pH 9.2. Using negative mode electrospray ionization as a 'soft' ionization technique, clusters of polyborate were detected beside the well-known BL degrees , BL- and BL2- complexes. An algorithm for the detection of boron complexes, based on their accurate mass and isotope patterns, is proposed which enabled the assignment of elemental compositions/structural formulae of boron/ligand complexes. We present experimental evidence of self-oligomerization of up to six borate units with caffeic acid, resulting in stable covalently bound polyborate-polyol complexes.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
polyborate; FTICR-MS; boric acid(B degrees)/borate(B-) complexes
ISSN (print) / ISBN
0951-4198
e-ISSN
1097-0231
Quellenangaben
Volume: 22,
Issue: 20,
Pages: 3119-3129
Publisher
Wiley
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Ecological Chemistry (IOEC)