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Atmospheric pressure chemical ionisation reversed-phase liquid chromatography/ion trap mass spectrometry of intact bacteriohopanepolyols

Lookup NU author(s): Dr Helen Talbot, Dr Paul Farrimond

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Abstract

Atmospheric pressure chemical ionisation liquid chromatography/multi-stage ion trap mass spectrometry (APCI-LC/MSn) has been applied to the study of intact bacteriohopanepolyols. Spectral characterisation of bacteriohopanepolyols of known structure present in bacterial extracts (Zymomonas mobilis and a fermenter containing methanotrophs including Methylococcus capsulatus) has revealed greater structural detail than previous liquid chromatography/mass spectrometry (LC/MS) methods and identified characteristic fragmentations indicative of numerous biohopanoid structures. Analysis of a Recent sedimentary extract from Lake Druzhby (Antarctica) has demonstrated the power of this technique to detect biohopanoids in complex samples including at least partial characterisation of previously unknown composite structures. Copyright © 2003 John Wiley & Sons, Ltd.

Publication metadata

Author(s): Talbot HM, Squier A, Keely B, Farrimond P

Publication type: Article

Publication status: Published

Journal: Rapid Communications in Mass Spectrometry

Year: 2003

Volume: 17

Issue: 7

Pages: 728-737

ISSN (print): 0951-4198

ISSN (electronic): 1097-0231

Publisher: John Wiley & Sons Ltd.

URL: http://dx.doi.org/10.1002/rcm.974

DOI: 10.1002/rcm.974

PubMed id: 12661028

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