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Analysis of iodinated quorum sensing peptides by LC–UV/ESI ion trap mass spectrometry
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作者 Yorick Janssens Frederick Verbeke +3 位作者 nathan debunne Evelien Wynendaele Kathelijne Peremans Bart De Spiegeleer 《Journal of Pharmaceutical Analysis》 SCIE CAS CSCD 2018年第1期69-74,共6页
Five different quorum sensing peptides(QSP) were iodinated using different iodination techniques. These iodinated peptides were analyzed using a C18 reversed phase HPLC system, applying a linear gradient of water and ... Five different quorum sensing peptides(QSP) were iodinated using different iodination techniques. These iodinated peptides were analyzed using a C18 reversed phase HPLC system, applying a linear gradient of water and acetonitrile containing 0.1%(m/v) formic acid as mobile phase. Electrospray ionization(ESI)ion trap mass spectrometry was used for the identification of the modified peptides, while semi-quantification was performed using total ion current(TIC) spectra. Non-iodinated peptides and mono-and diiodinated peptides(NIP, MIP and DIP respectively) were well separated and eluted in that order. Depending on the used iodination method, iodination yields varied from low(2%) to high(57%). 展开更多
关键词 Peptide IODINATION LC–UV/MS QUORUM sensing Bolton-Hunter
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