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Journal articles on the topic 'MS/MS fragmentation'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Morikawa, Kouhei, Ken Tanaka, Feng Li, et al. "Analysis of MS/MS Fragmentation of Taxoids." Natural Product Communications 5, no. 10 (2010): 1934578X1000501. http://dx.doi.org/10.1177/1934578x1000501007.

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The fragmentation pathways of seven types of taxoids were investigated by using a LC-MS/MS method, namely: (1) neutral taxoids with a C-4(20) double bond; (2) taxoids with a C-4(20) double bond and oxygenation at C-14; (3) 5-cinnamoyl taxoids with a C-4(20) double bond; (4) a basic taxoid with a C-4(20) double bond; (5) a taxoid with a C-4(20) epoxide; (6) taxoids with an oxetane ring; and (7) taxoids with an oxetane ring and a phenylisoserine C-13 side chain. Depending on the class of core structure and the substitution pattern, each taxoid gave either the molecular adduct ion [M+NH4]+ or [M+

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2

Ilic, Natasa, Aleksandar Marinkovic, Dusan Mijin, Marina Nevescanin, and Slobodan Petrovic. "EI/MS/MS spectra of N-monosubstituted cyanoacetamides." Chemical Industry and Chemical Engineering Quarterly 16, no. 4 (2010): 387–97. http://dx.doi.org/10.2298/ciceq100421042i.

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The electron-ionization induced mass spectra of twenty six N-monosubstituted cyanoacetamides were recorded and their fragmentation patterns were studied. The effect of Nalkyl and N-aryl substituent to the fragmentation of the investigated compounds was discussed. Mechanistic generalization lead to a conclusion that fission of the carbon-carbon bonds next to carbonyl function or nitrogen were processes common for N-alkyl and N-(4-substituted phenyl) cyanoacetamides. In some amides, the elimination of acyl group by ketene fragment, gave rise to the more stable ion. Cycloalkyl amides could not fr

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3

Schwalbe-Herrmann, M., J. Willmann, H. Thiele, and D. Leibfritz. "Determination of phosphatidylglycerol species by MS/MS fragmentation." Chemistry and Physics of Lipids 160 (August 2009): S38. http://dx.doi.org/10.1016/j.chemphyslip.2009.06.061.

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4

Rossmann, Birgit, Karin Thurner, and Wolfgang Luf. "MS–MS Fragmentation Patterns of Cholesterol Oxidation Products." Monatshefte für Chemie - Chemical Monthly 138, no. 5 (2007): 437–44. http://dx.doi.org/10.1007/s00706-007-0589-2.

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5

Amoresano, Angela, Gianluca Monti, Claudia Cirulli, and Gennaro Marino. "Selective detection and identification of phosphopeptides by dansyl MS/MS/MS fragmentation." Rapid Communications in Mass Spectrometry 20, no. 9 (2006): 1400–1404. http://dx.doi.org/10.1002/rcm.2461.

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6

YAMAGAKI, Tohru, and Yasushi MAKINO. "Effect of Pyridylamination in MS/MS Fragmentation of Sugar Chains." Journal of the Mass Spectrometry Society of Japan 65, no. 6 (2017): 297–300. http://dx.doi.org/10.5702/massspec.17-94.

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7

Vandenbogaert, Mathias, Véronique Hourdel, Olivia Jardin-Mathé, et al. "Automated Phosphopeptide Identification Using Multiple MS/MS Fragmentation Modes." Journal of Proteome Research 11, no. 12 (2012): 5695–703. http://dx.doi.org/10.1021/pr300507j.

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8

Es‐Safi, Nour‐Eddine, Lucien Kerhoas, and Paul Henri Ducrot. "Fragmentation Study of Globularin Through Positive and Negative ESI/MS, CID/MS, and Tandem MS/MS." Spectroscopy Letters 40, no. 5 (2007): 695–714. http://dx.doi.org/10.1080/00387010701301576.

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9

Maldini, Mariateresa, Paola Montoro, Sonia Piacente, and Cosimo Pizza. "ESI-MS, ESI-MS/MS Fingerprint and LC-ESI-MS Analysis of Proathocyanidins from Bursera simaruba Sarg Bark." Natural Product Communications 4, no. 12 (2009): 1934578X0900401. http://dx.doi.org/10.1177/1934578x0900401212.

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Direct flow injection/electrospray ionization/ion trap tandem mass spectrometry was used to investigate the presence of proanthocyanidins (PAs) in the methanolic extract of B. simaruba bark. Additionally, an LC-ESI-MS qualitative study was performed by using a monolithic stationary phase. The fragmentation pattern obtained evidenced the presence in B. simaruba bark of PAs belonging to the series of polymers of epicatechin, along with their glycosilated derivatives.

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10

Boulos, Samy, та Laura Nyström. "UPLC-MS/MS investigation of β-glucan oligosaccharide oxidation". Analyst 141, № 24 (2016): 6533–48. http://dx.doi.org/10.1039/c6an01125j.

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Fenton-induced degradation of isomeric β-d-glucotetraoses is systematically investigated by negative mode HILIC UPLC-MS/MS with regard to the effect of the glycosidic linkage on kinetics, product profiles, and MS/MS fragmentation patterns.

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11

Kösters, Manuel, Johannes Leufken, and Sebastian A. Leidel. "SMITER—A Python Library for the Simulation of LC-MS/MS Experiments." Genes 12, no. 3 (2021): 396. http://dx.doi.org/10.3390/genes12030396.

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SMITER (Synthetic mzML writer) is a Python-based command-line tool designed to simulate liquid-chromatography-coupled tandem mass spectrometry LC-MS/MS runs. It enables the simulation of any biomolecule amenable to mass spectrometry (MS) since all calculations are based on chemical formulas. SMITER features a modular design, allowing for an easy implementation of different noise and fragmentation models. By default, SMITER uses an established noise model and offers several methods for peptide fragmentation, and two models for nucleoside fragmentation and one for lipid fragmentation. Due to the

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12

Tsugawa, Hiroshi, Tobias Kind, Ryo Nakabayashi, et al. "Hydrogen Rearrangement Rules: Computational MS/MS Fragmentation and Structure Elucidation Using MS-FINDER Software." Analytical Chemistry 88, no. 16 (2016): 7946–58. http://dx.doi.org/10.1021/acs.analchem.6b00770.

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13

YAMAGAKI, Tohru. "Effect of Acetylamino Group in MS/MS Fragmentation of Sugar Chains." Journal of the Mass Spectrometry Society of Japan 65, no. 6 (2017): 245–52. http://dx.doi.org/10.5702/massspec.17-93.

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14

Zhang, Pengwei, Wan Chan, Irene Ang, et al. "Gas-Phase Fragmentation Reactions of Protonated Cystine using High-Resolution Tandem Mass Spectrometry." Molecules 24, no. 4 (2019): 747. http://dx.doi.org/10.3390/molecules24040747.

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Cystine is an important biomolecule in living systems. Although collision-induced dissociation (CID)-based tandem mass spectrometry (MS/MS) is commonly applied for identification and quantification of cystine in both biomedical and nutritional studies, gas-phase fragmentation reactions of cystine in CID has remained unclear. This may lead to improper assay design, which may in turn result in inaccurate test results. In the present study, gas-phase fragmentation reactions of protonated cystine in CID were characterized using high-resolution MS/MS and pseudo MS3. Fragmentations started from clea

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15

Barsnes, Harald, Ingvar Eidhammer, and Lennart Martens. "FragmentationAnalyzer: An open-source tool to analyze MS/MS fragmentation data." PROTEOMICS 10, no. 5 (2010): 1087–90. http://dx.doi.org/10.1002/pmic.200900681.

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16

Mitrofanov, Elena, Tassilo Muskat, and Jürgen Grotemeyer. "Indocyanine green MS/MS investigations using femtosecond laser-pulse photodissociation and collision-induced dissociation." European Journal of Mass Spectrometry 24, no. 3 (2017): 299–312. http://dx.doi.org/10.1177/1469066717750044.

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The dissociation reactions of indocyanine green (also known as cardiogreen) have been studied in a Fourier-transform ion-cyclotron resonance mass spectrometer by the application of unimolecular, collision-induced dissociation and photodissociation using femtosecond laser pulses. Ions were prepared by electrospray ionization (ESI) in various solvents. Depending on the properties of the solvent mixture, the mono sodiated molecule could be measured through cation exchange in various compositions. Using a mixture of methanol/water/formic acid as solvent, protonated ions, formed by exchange of sodi

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17

Landenberger, Peter, Klaus Scheumann, Manfred Keller, et al. "Pentagonal Dodecahedranes: Polyfunctionalization and MS Fragmentation." Journal of Organic Chemistry 66, no. 17 (2001): 5744–58. http://dx.doi.org/10.1021/jo010170+.

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18

Nascimento, Yuri Mangueira, Lucas Silva Abreu, Ramon Leal Lima, et al. "Rapid Characterization of Triterpene Saponins from Zornia brasiliensis by HPLC-ESI-MS/MS." Molecules 24, no. 14 (2019): 2519. http://dx.doi.org/10.3390/molecules24142519.

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Zornia brasiliensis Vogel (Leguminosae) is a species popularly known in Brazil as “urinária”, “urinana”, and “carrapicho”, it is popularly used as a diuretic and in the treatment of venereal diseases. A specific methodology to obtain a saponin-enriched fraction and high-performance liquid chromatography coupled with diode array detection, ion trap mass spectrometry, and TOF-MS (HPLC-DAD-ESI-MS/MS) was applied for the analysis of triterpene saponins. The MS and MS/MS experiments were carried out by ionization in negative mode. Molecular mass and fragmentation data were used to support the struc

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19

Barsnes, Harald, Ingvar Eidhammer, and Lennart Martens. "Erratum: FragmentationAnalyzer: An open-source tool to analyze MS/MS fragmentation data." PROTEOMICS 10, no. 13 (2010): 2560. http://dx.doi.org/10.1002/pmic.201090055.

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20

Escobar, Hernando, Eduardo Reyes-Vargas, Peter E. Jensen, Julio C. Delgado, and David K. Crockett. "Utility of Characteristic QTOF MS/MS Fragmentation for MHC Class I Peptides." Journal of Proteome Research 10, no. 5 (2011): 2494–507. http://dx.doi.org/10.1021/pr101272k.

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21

Romeiro, Gilberto A., Vitor F. Ferreira, Marília dos S. Costa, Alexandre M. Joaquim, José Walkimarde M. Carneiro, and Bernd Kammerer. "Fragmentation studies of tetrahydropyridocarbazole derivatives by EI, ESI-MS/MS and FAB." Spectroscopy 15, no. 1 (2001): 19–25. http://dx.doi.org/10.1155/2001/957870.

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Four tetrahydropyridocarbazole derivatives were analysed by different mass spectrometry techniques: electrospray ionization, fast atom bombardment and by low and high resolution 70 eV electron ionization. Retro Diels Alder is the main fragmentation pathway, whereas other pathways leading to [M—1]+, [M—CH3]+and double charge ions also occur to considerable extents. Semi-empirical calculation provided some evidence on the nature of tropylium ions [M—1]+. Calculation of ΔHf0indicated that [M+—1] could be formed preferentially when a hydrogen atom is lost from the methyl substituent of the homoaro

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22

Allen, Felicity, Russ Greiner, and David Wishart. "Competitive fragmentation modeling of ESI-MS/MS spectra for putative metabolite identification." Metabolomics 11, no. 1 (2014): 98–110. http://dx.doi.org/10.1007/s11306-014-0676-4.

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23

Sinadinovic-Fiser, Snezana, and Jovan Jovanovic. "MS analysis of biindenylidenes." Journal of the Serbian Chemical Society 69, no. 10 (2004): 749–57. http://dx.doi.org/10.2298/jsc0410749s.

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Biindenylidene isomers are components of pyrolysis oils. The mass spectra were recorded and the fragmentation of the following biindenylidene isomers (E)-2,3,2?,3?-tetrahydro- [1,1?]biindenylidene (Z)-2,3,2?,3?-tetrahydro-[1,1?]biindenylidene 1,3,1?,3?-tetrahydro-[2,2?]biindenylidene and 2,3,1?,3?-tetrahydro-[1,2?]biindenylidene, as well as of spiro[1,1a,6,6a-tetrahydrocyclopropa [a]indene-1,1?-2?,3?-dihydro-1?H-indene]?is discussed.

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24

Silva, Eduarda M. P., Pedro Domingues, João P. C. Tomé та ін. "Electrospray Tandem Mass Spectrometry of β-Nitroalkenyl Meso-Tetraphenylporphyrins". European Journal of Mass Spectrometry 14, № 1 (2008): 49–59. http://dx.doi.org/10.1255/ejms.908.

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β-Nitroalkenyl meso-tetraphenylporphyrins [β-TPPCHC(NO2)R)], as free-bases and Zn(II) complexes, were studied by electrospray mass spectrometry (ESI-MS). Under this ionisation condition the [M + H]+ ions are formed. The fragmentation pattern of the resulting [M + H]+ ions were studied by electrospray tandem mass spectrometry (ESI-MS/MS). The ESI-MS/MS of β-nitroalkenylporphyrins, either as free-bases or as Zn(II) complexes, show several interesting features, distinct from the typical behaviour of nitro compounds. For the studied compounds, common main fragmentation patterns are observed, namel

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25

Wandy, Joe, Vinny Davies, Justin J. J. van der Hooft, Stefan Weidt, Rónán Daly, and Simon Rogers. "In Silico Optimization of Mass Spectrometry Fragmentation Strategies in Metabolomics." Metabolites 9, no. 10 (2019): 219. http://dx.doi.org/10.3390/metabo9100219.

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Liquid chromatography (LC) coupled to tandem mass spectrometry (MS/MS) is widely used in identifying small molecules in untargeted metabolomics. Various strategies exist to acquire MS/MS fragmentation spectra; however, the development of new acquisition strategies is hampered by the lack of simulators that let researchers prototype, compare, and optimize strategies before validations on real machines. We introduce Virtual Metabolomics Mass Spectrometer (ViMMS), a metabolomics LC-MS/MS simulator framework that allows for scan-level control of the MS2 acquisition process in silico. ViMMS can gen

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26

Gueneron, Mylene, Mathew H. Erickson, Graham S. VanderSchelden, and Bertram T. Jobson. "PTR-MS fragmentation patterns of gasoline hydrocarbons." International Journal of Mass Spectrometry 379 (March 2015): 97–109. http://dx.doi.org/10.1016/j.ijms.2015.01.001.

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27

Yagüe, Jesús, Alberto Paradela, Manuel Ramos, et al. "Peptide Rearrangement during Quadrupole Ion Trap Fragmentation: Added Complexity to MS/MS Spectra." Analytical Chemistry 75, no. 6 (2003): 1524–35. http://dx.doi.org/10.1021/ac026280d.

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28

Djoumbou-Feunang, Yannick, Allison Pon, Naama Karu, et al. "CFM-ID 3.0: Significantly Improved ESI-MS/MS Prediction and Compound Identification." Metabolites 9, no. 4 (2019): 72. http://dx.doi.org/10.3390/metabo9040072.

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Metabolite identification for untargeted metabolomics is often hampered by the lack of experimentally collected reference spectra from tandem mass spectrometry (MS/MS). To circumvent this problem, Competitive Fragmentation Modeling-ID (CFM-ID) was developed to accurately predict electrospray ionization-MS/MS (ESI-MS/MS) spectra from chemical structures and to aid in compound identification via MS/MS spectral matching. While earlier versions of CFM-ID performed very well, CFM-ID’s performance for predicting the MS/MS spectra of certain classes of compounds, including many lipids, was quite poor

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29

Yu, Dandan, and Xianrui Liang. "Characterization and Identification of Isoflavonoids in the Roots of Millettia speciosa Champ. by UPLC-Q-TOF-MS/MS." Current Pharmaceutical Analysis 15, no. 6 (2019): 580–91. http://dx.doi.org/10.2174/1573412914666180608095922.

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Introduction: The root of Millettia speciosa Champ. (Leguminosae) is one of the wellknown traditional Chinese medicines abundant in phenolic compounds and plays important roles in the treatment of pain or numbness of the joints, blood deficiency sallow, chronic bronchitis and chronic hepatitis. Objective: An ultra-high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS/MS) based chemical profiling approach was established for the separation and characterization of isoflavonoids in the roots of Millettia speciosa Champ. Methods: The roots o

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30

Marinkovic, Aleksandar, Tatjana Vasiljevic, Mila Lausevic, and Bratislav Jovanovic. "ESI-MS spectra of 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)-pyridinones." Journal of the Serbian Chemical Society 74, no. 3 (2009): 223–35. http://dx.doi.org/10.2298/jsc0903223m.

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Twelve 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)-pyridinones were investigated by tandem mass spectrometry using positive as well as negative electrospray ionization. The influence of the electron affinity of the substituent and the steric effect on the fragmentation is discussed. Pyridinones with a substituent of low proton affinity show loss of water, HCN or benzene from the pyridinone ring in the first step of MS2 fragmentations. Oppositely, if a substituent with high proton affinity is present on the phenyl ring in the 4-position of pyridinone, the fragmentation paths are complex, depe

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31

Šibul, Filip, Dejan Orčić, Sanja Berežni, Goran Anačkov, and Neda Mimica-Dukić. "HPLC–MS/MS profiling of wild-growing scentless chamomile." Acta Chromatographica 32, no. 2 (2020): 86–94. http://dx.doi.org/10.1556/1326.2019.00546.

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Scentless chamomile (Tripleurospermum inodorum = M. inodora) is a plant belonging to Anthemideae tribe of Asteraceae family, with phenotype similar to the common chamomile, a plant used in human consumption in the form of herbal tea infusion. In order to be able to understand possible health-promoting properties and adverse effects of the scentless chamomile's consumption, it is of essence to examine its chemical composition. The aim of the study was to perform phenolic profiling using high-performance liquid chromatography–tandem mass spectroscopy (HPLC–MS/MS), in comparison to the common cha

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32

Pardasani, Deepak, Pankaj K. Kanaujia, Vijay Tak, Prabhat Garg, Avik Mazumder, and Devendra K. Dubey. "Gas Chromatography Electron Ionization Mass Spectrometric Analysis of O-Alkyl Methylphosphinates for Verification of Chemical Weapons Convention." European Journal of Mass Spectrometry 15, no. 5 (2009): 579–85. http://dx.doi.org/10.1255/ejms.999.

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We describe the gas chromatography/mass spectrometric (GC/MS) analysis of O-alkyl methylphosphinates (AMPs), which are included in Schedule 2B4 chemicals in the Chemical Weapons Convention (CWC). GC/MS analysis of a variety of AMPs and their deuterated analogs revealed that their fragmentations were determined by α-cleavages, McLafferty +1 and hydrogen rearrangement. Based on the obtained electron ionization mass spectra of AMPs, the fragmentation routes were rationalized, which were substantiated by the GC/MS analysis of deuterated analogs.

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33

Wootton, Christopher A., Adam J. Millett, Andrea F. Lopez-Clavijo, et al. "Structural analysis of peptides modified with organo-iridium complexes, opportunities from multi-mode fragmentation." Analyst 144, no. 5 (2019): 1575–81. http://dx.doi.org/10.1039/c8an02094a.

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34

Okahashi, Nobuyuki, Shuichi Kawana, Junko Iida, Hiroshi Shimizu, and Fumio Matsuda. "Fragmentation of Dicarboxylic and Tricarboxylic Acids in the Krebs Cycle Using GC-EI-MS and GC-EI-MS/MS." Mass Spectrometry 8, no. 1 (2019): A0073. http://dx.doi.org/10.5702/massspectrometry.a0073.

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35

Schildcrout, Steven M. "Gaseous-Ion Fragmentation Mechanisms in Chlorobenzenes by GC/MS and GC/MS/MS: A Physical-Chemical Approach for Undergraduates." Journal of Chemical Education 77, no. 4 (2000): 501. http://dx.doi.org/10.1021/ed077p501.

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36

Gehrig, Peter M., Peter E. Hunziker, Sotir Zahariev, and Sándor Pongor. "Fragmentation pathways of NG-methylated and unmodified arginine residues in peptides studied by ESI-MS/MS and MALDI-MS." Journal of the American Society for Mass Spectrometry 15, no. 2 (2004): 142–49. http://dx.doi.org/10.1016/j.jasms.2003.10.002.

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37

Steinborner, ST, AM Bradford, RJ Waugh, JH Bowie, DL Vollmer, and ML Gross. "Collision-Induced Dissociations of Deprotonated Dipeptide Methyl Esters Containing Serine or Threonine." Australian Journal of Chemistry 47, no. 10 (1994): 1851. http://dx.doi.org/10.1071/ch9941851.

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The collision-induced mass spectra (MS/MS) of (M - H)- ions derived from dipeptide methyl esters containing serine or threonine lack the characteristic backbone cleavage of the underivatized peptides (which provide primary sequencing data). Instead, competitive fragmentation occurs through the ester and α-side chain functions. For example, Ser methyl esters lose both CH2O (from the side chain) and MeOH ( MeO comes from the methyl ester). Isomeric dipeptides may be differentiated by competitive fragmentations; for example [ Gly Ser( OMe )-H]- fragments first by loss of CH2O, while [Ser Gly ( OM

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38

Masike, Keabetswe, and Ntakadzeni Madala. "Synchronized Survey Scan Approach Allows for Efficient Discrimination of Isomeric and Isobaric Compounds during LC-MS/MS Analyses." Journal of Analytical Methods in Chemistry 2018 (2018): 1–8. http://dx.doi.org/10.1155/2018/2046709.

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Liquid chromatography-mass spectrometry- (LC-MS-) based multiple reaction monitoring (MRM) methods have been used to detect and quantify metabolites for years. These approaches rely on the monitoring of various fragmentation pathways of multiple precursors and the subsequent corresponding product ions. However, MRM methods are incapable of confidently discriminating between isomeric and isobaric molecules and, as such, the development of methods capable of overcoming this challenge has become imperative. Due to increasing scanning rates of recent MS instruments, it is now possible to operate M

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39

Huang, Aihua, Yuguang Chi, Jiawei Liu, et al. "Profiling and Pharmacokinetic Studies of Alkaloids in Rats After Oral Administration of Zanthoxylum nitidum Decoction by UPLC-Q-TOF-MS/MS and HPLC-MS/MS." Molecules 24, no. 3 (2019): 585. http://dx.doi.org/10.3390/molecules24030585.

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Zanthoxylum nitidum (Roxb.) DC (Rutaceae), called as “liangmianzhen” in China, is well known for its anti-inflammation and analgesic effect. Alkaloids are its main active constituents. However, little has been known about the absorption of main alkaloids in vivo. In this study, an ultra-performance liquid chromatography coupled with quadrupole-time-of-flight mass spectrometry was employed for identification of absorbed alkaloids in rats after oral administration of Z. nitidum decoction. By analyzing the fragmentation patterns, a total of nineteen alkaloids were exactly or tentatively identifie

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40

Stewart, Allison K., Wendy K. Strangman, Andrew Percy, and Jeffrey L. C. Wright. "The biosynthesis of 15N-labeled microcystins and the comparative MS/MS fragmentation of natural abundance and their 15N-labeled congeners using LC-MS/MS." Toxicon 144 (March 2018): 91–102. http://dx.doi.org/10.1016/j.toxicon.2018.01.021.

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41

Allard, Pierre-Marie, Tiphaine Péresse, Jonathan Bisson, et al. "Integration of Molecular Networking and In-Silico MS/MS Fragmentation for Natural Products Dereplication." Analytical Chemistry 88, no. 6 (2016): 3317–23. http://dx.doi.org/10.1021/acs.analchem.5b04804.

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42

Furtado, Niege A. J. C., Ricardo Vessecchi, José Carlos Tomaz, et al. "Fragmentation of diketopiperazines fromAspergillus fumigatus by electrospray ionization tandem mass spectrometry (ESI-MS/MS)." Journal of Mass Spectrometry 42, no. 10 (2007): 1279–86. http://dx.doi.org/10.1002/jms.1166.

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43

Boernsen, K. Olaf, Wolfgang Egge-Jacobsen, Bruno Inverardi, et al. "Assessment and validation of the MS/MS fragmentation patterns of the macrolide immunosuppressant everolimus." Journal of Mass Spectrometry 42, no. 6 (2007): 793–802. http://dx.doi.org/10.1002/jms.1215.

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44

Neves, Bruna, Sofia Duarte, Pedro Domingues, et al. "Advancing Target Identification of Nitrated Phospholipids in Biological Systems by HCD Specific Fragmentation Fingerprinting in Orbitrap Platforms." Molecules 25, no. 9 (2020): 2120. http://dx.doi.org/10.3390/molecules25092120.

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Nitrated phospholipids have recently been detected in vitro and in vivo and associated with beneficial health effects. They were identified and quantified in biological samples by lipidomics methodologies using liquid chromatography-collision-induced dissociation (CID) tandem mass spectrometry (MS/MS) acquired with the linear ion trap mass spectrometer. Only a few studies have used higher-energy collision dissociation (HCD)-MS/MS in high-resolution Orbitraps to characterize nitrated phosphatidylserines and nitrated cardiolipins, highlighting the marked differences in the fragmentation patterns

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45

Martono, Yohanes, Abdul Rohman, Sudibyo Martono, and Sugeng Riyanto. "Degradation study of stevioside using RP-HPLC and ESI-MS/MS." Malaysian Journal of Fundamental and Applied Sciences 14, no. 1-2 (2018): 138–41. http://dx.doi.org/10.11113/mjfas.v14n1-2.956.

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Stevioside is very potential to be an antidiabetic pro-drug. In processing, the active ingredient may be degraded. This research conducted a study of the degradation of stevioside on several stress factors such as acid and base hydrolysis; exposure to UV rays, thermal heating and oxidation using RP-HPLC. The degradation products were identified using ESI-MS/MS. Hydrolysis of acid-base solution and exposure to UV254 nm rays caused the breakdown of glycoside bonds in the analyte. Stevioside was unstable in dry heating at 105oC for 48 hours due to degradation of 91%. Stevioside was oxidized under

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46

Landenberger, Peter, Klaus Scheumann, Manfred Keller, et al. "ChemInform Abstract: Pentagonal Dodecahedranes: Polyfunctionalization and MS Fragmentation." ChemInform 32, no. 51 (2010): no. http://dx.doi.org/10.1002/chin.200151095.

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Heesen, C., S. Georghiu, J. Gbadamosi, and B. G. H. Schoser. "CD95-mediated apoptosis and DNA fragmentation in MS." Acta Neurologica Scandinavica 102, no. 5 (2000): 333–36. http://dx.doi.org/10.1034/j.1600-0404.2000.102005333.x.

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Schopfer, Lawrence M., and Oksana Lockridge. "Signature Ions in MS/MS Spectra for Dansyl-Aminohexyl-QQIV Adducts on Lysine." Molecules 25, no. 11 (2020): 2659. http://dx.doi.org/10.3390/molecules25112659.

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Abstract:

Bacterial transglutaminase was used to label human plasma proteins with fluorescent tags. Protein lysines were modified with dansyl-epsilon-aminohexyl-Gln-Gln-Ile-Val-OH (dansylQQIV), while protein glutamines were modified with dansyl cadaverine. Labeled proteins included human butyrylcholinesterase, apolipoprotein A-1, haptoglobin, haptoglobin-related protein, immunoglobulin heavy chain, and hemopexin. Tryptic peptides were analyzed by LC-MS/MS on an Orbitrap Fusion Lumos mass spectrometer. Modified residues were identified in Protein Prospector and Proteome Discoverer searches of mass spectr

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Abdelhameed, Ali S., Adnan A. Kadi, Mohamed I. Attia, Rihab F. Angawi, Mohamed W. Attwa, and Hany W. Darwish. "Pseudo-MS3Approach Using Electrospray Mass Spectrometry (ESI-MS/MS) to Characterize Certain (2E)-2-[3-(1H-Imidazol-1-yl)-1-phenylpropylidene]hydrazinecarboxamide Derivatives." Journal of Chemistry 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/386301.

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An approach for the use of in-source fragmentation with electrospray ionization followed by product ion scan in a triple quadrupole mass spectrometer system is described. This approach is based on the elucidation of the various fragmentation pathways by further dissociation of each fragment ion in the ion spectrum. This can be achieved predominately, by combining fragmentor voltage induced dissociation (in-source fragmentation) with subsequent collision-induced dissociation; this process can be referred to as pseudo-MS3scan mode. This technique permitted unambiguous assignment and provided suf

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Zhang, Jia-Rong, James Tolchard, Katell Bathany, Béatrice Langlois d’Estaintot, and Jean Chaudiere. "Production of 3,4-cis- and 3,4-trans-Leucocyanidin and Their Distinct MS/MS Fragmentation Patterns." Journal of Agricultural and Food Chemistry 66, no. 1 (2017): 351–58. http://dx.doi.org/10.1021/acs.jafc.7b04380.

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