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Determination of 4-Hydroxy-2-nonenal at Cellular Levels by Means of Electrospray Mass Spectrometry by A. M. Gioacchini; N. Calonghi; C. Boga; C. Cappadone; L. Masotti; A. Roda; P. Traldi is a Chemistry article available to read on EtoBox.

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trans-4-Hydroxy-2-nonenal (HNE) is an end-product of lipid peroxidation in biological systems which produces a variety of powerful biological effects. A method based on electrospray mass spectrometry was developed for the determination of 4-HNE at cellular levels. Quantification was carried out by using HNEd 11 as internal standard; the mass chromatograms were acquired in the single ion monitoring mode (SIM) on the [M H] monoisotopic species for HNE and HNE-d 11 . With this approach a higher precision and lower detection limit and biological sample size than those typical of the methods so far employed are achieved. Furthermore the determination of the analyte from the cell extract is directly performed without the need of any HNE derivatization. As a first application the method was used to identify and quantify HNE in human T cell leukemia extracts.

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Author

A. M. Gioacchini; N. Calonghi; C. Boga; C. Cappadone; L. Masotti; A. Roda; P. Traldi

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0951-4198)

Published

1999

Language

EN

Field

Chemistry (Physical Sciences)