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Determination of peptaibol trace amounts in marine sediments by liquid chromatography/electrospray ionization-ion trap-mass spectrometry

Abstract : Extraction followed by reverse phase liquid chromatography (LC)/electrospray ionization-ion trap-mass spectrometry (ESI-IT-MS) analysis has been successfully developed for the determination of peptaibols, fungal toxic metabolites, in marine sediments. Spiking experiments showed that the mean recovery of target compounds exceeded 85% at a spiking level of 10 ng/g of sediment (wet weight). Detection and quantification limits were 250 and 830 pg/g of sediment, respectively. The method developed constituted the first sensitive assay for quantification of peptaibol trace amounts in a natural environment. A concentration of 5 ng/g in sediment samples collected from Fier d'Ars was found.
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https://hal-nantes-universite.archives-ouvertes.fr/hal-03596314
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Submitted on : Monday, April 11, 2022 - 11:45:25 AM
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Laurence Poirier, Jean-Claude Amiard, Florence Mondeguer, Françoise Quiniou, Nicolas Ruiz, et al.. Determination of peptaibol trace amounts in marine sediments by liquid chromatography/electrospray ionization-ion trap-mass spectrometry. Journal of Chromatography A, Elsevier, 2007, 1160 (1-2), pp.106-113. ⟨10.1016/j.chroma.2007.04.006⟩. ⟨hal-03596314⟩

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