2017
DOI: 10.1016/j.aca.2017.03.006
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Profiling of carbonyl compounds in serum by stable isotope labeling - Double precursor ion scan - Mass spectrometry analysis

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Cited by 46 publications
(37 citation statements)
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“…Such a derivatization pathway coupled with double precursor ion scan‐MS allowed the detection of 156 carbonyl compounds in human serum. The study results demonstrated elevated levels of 44 compounds in myelogenous leukemia relative to the control group (Guo, Peng, Zhu, Yuan, & Feng, ). In addition, the 13 C 0 / 13 C 2 ‐dansyl hydrazine pair was used for labeling carbonyl compounds from different classes.…”
Section: Isotope‐coded Derivatization Reagents For Lc–ms Analysismentioning
confidence: 82%
See 1 more Smart Citation
“…Such a derivatization pathway coupled with double precursor ion scan‐MS allowed the detection of 156 carbonyl compounds in human serum. The study results demonstrated elevated levels of 44 compounds in myelogenous leukemia relative to the control group (Guo, Peng, Zhu, Yuan, & Feng, ). In addition, the 13 C 0 / 13 C 2 ‐dansyl hydrazine pair was used for labeling carbonyl compounds from different classes.…”
Section: Isotope‐coded Derivatization Reagents For Lc–ms Analysismentioning
confidence: 82%
“…The 2 H 0 / 2 H 3 -HMP reagent pair was utilized for the derivatization of allopregnanolone and pregnenolone in mouse brain tissue, where 2 H 3 -HMP was synthesized from 2-chloropyridine, 2 H 4 -methanol, and trifluoromethane-sulfonic anhydride. In this derivatization methodology, the sensitivity for allopregnanolone and pregnenolone was enhanced nearly 500 and 3000 times; besides, improved accuracy and precision could be established (Higashi, Aiba, Tanaka, Yoshizawa, & Ogawa, 2016 (Guo, Peng, Zhu, Yuan, & Feng, 2017). In addition, the 13 C 0 / 13 C 2 -dansyl hydrazine pair was used for labeling carbonyl compounds from different classes.…”
Section: Hydrazine Reagentsmentioning
confidence: 99%
“…In total, 156 candidate carbonyl compounds are detected in human serum, of which 12 are further identified by synthetic standards. Using a targeted MRM mode, 44 carbonyls are found to be statistically different in myelogenous leukemia patients compared to healthy controls [223].…”
Section: Bioanalytical and Mass Spectrometric Methods For Charactementioning
confidence: 99%
“…QC samples (500 mL) were analyzed at 0, 4,8,12,16,20,24 hours to test their stability within 24 hours. The relative standard deviation (RSD) value was calculated.…”
Section: Methodology Developmentmentioning
confidence: 99%
“…Even for the same analyte, the ionization efficiency sometimes varies between two single runs. 16,17 Stable isotopic derivatization is an alternative to introducing stable isotopes to the analyte, which can be used as a substitute for the internal standard. Before analysis, an analogue of the analyte was marked with stable isotopes, and were added as the internal standard to improve the accuracy by minimizing the matrix effect and ionization difference, so that the absolute/relative quantication will be more accurate when compared with the traditional standard curve method.…”
mentioning
confidence: 99%