Fragmentation study of two brassinolides by ion trap tandem mass spectrometry |
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| Authors: | FeiFeng Huo Yu Bai HuWei Liu |
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| Affiliation: | The Key Lab of Bioorganic Chemistry and Molecular Engineering, Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China |
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| Abstract: | The fragmentation pathways of two isomers of brassinosteroids, 28-homobrassinolide (28-h-BL) and 28-epihomobrassinolide (28-eh-BL), have been investigated by tandem mass spectrometry (MSn, n = 1, 2, 3, 4) with the electrospray ionization (ESI) source. The ESI mass spectrometric fragmentation pathways of protonated 28-h-BL and 28-eh-BL were comprehensively elucidated, and the principles revealed in this investigation could potentially be used to identify and distinguish brassinosteroids and their isomers. |
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| Keywords: | brassinosteroids brassinolides fragmentation ion-trap tandem mass spectrometry |
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