Academic literature on the topic 'MS/MS fragmentation'

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Journal articles on the topic "MS/MS fragmentation"

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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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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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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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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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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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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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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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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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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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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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Dissertations / Theses on the topic "MS/MS fragmentation"

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Wright, Patricia Ann. "Understanding MS/MS fragmentation pathways of small molecular weight molecules." Thesis, University of Greenwich, 2015. http://gala.gre.ac.uk/18134/.

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Fragmentation of molecules by collision-induced dissociation (CID) is not well-understood, making interpretation of MS/MS spectra difficult and limiting the effectiveness of software tools intended to aid mass spectral interpretation. An approach is required which is tailored to each individual molecule and improves the ‘chemical sense’ of the software. It was hypothesised that the bonds which break during CID of protonated molecules are the bonds which are elongated, and hence weakened, as a result of conformational changes induced by protonation. Bond length changes for a test set of molecul
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Li, Wenzhou. "Protein Identification Algorithms Developed from Statistical Analysis of MS/MS Fragmentation Patterns." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/242432.

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Tandem mass spectrometry is widely used in proteomic studies because of its ability to identify large numbers of peptides from complex mixtures. In a typical LC-MS/MS experiment, thousands of tandem mass spectra will be collected and peptide identification algorithms are of great importance to translate them into peptide sequences. Though these spectra contain both m/z and intensity values, most popular protein identification algorithms primarily use predicted fragment m/z values to assign peptide sequences to fragmentation spectra. The intensity information is often undervalued, because it is
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BURE, Corinne. "FRAGMENTATION DANS UNE SOURCE A ÉLECTRONÉBULISATION." Phd thesis, Université d'Orléans, 2005. http://tel.archives-ouvertes.fr/tel-00010600.

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La thèse a porté sur l'étude de peptides et d'oligonucléotides par fragmentation dans la source électrospray d'un Quattro II (Micromass). L'instrument a d'abord été évalué en mode positif avec des peptides thioester modèles puis en mode négatif avec des oligodésoxynucléotides bromés dont la fragmentation de la base modifiée permet sa localisation dans la séquence. La fragmentation de peptides acétal et diol (aldéhyde hydraté) conduit à un même ion final cyclique. L'hydratation de peptides aldéhyde a été étudiée en solution par RMN et en phase gazeuse par fragmentation dans la source. Les infor
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Zhang, Wujuan. "Synthesis and Fragmentation Reactions of Linoleic Acid-Derived Hydroperoxides." Case Western Reserve University School of Graduate Studies / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=case1189133862.

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Myers, Tanya R. "New Techniques for the Qualitative and Quantitative Measurement of Naturally-Ocurring Gonadotropin-Releasing Hormone Analogues by Mass Spectrometry." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/chemistry_diss/12.

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GnRH peptides have been discovered in a wide variety of vertebrate and invertebrate organisms, and work is ongoing to characterize additional unique isoforms. This dissertation describes the investigation of reversed-phase chromatographic and mass spectrometric behavior of GnRH peptides, the development and application of an LC-MS/MS method for qualitative identification of GnRH peptides, and the comprehensive validation of an LC-MS/MS method for simultaneous, quantitative measurement of hydroxyproline9GnRH (Hyp9GnRH) and mammalian GnRH (mGnRH) in rat brain tissues. Chromatographic and mass s
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Huang, Yingying. "DATA MINING OF PEPTIDE MS/MS SPECTRA TO ELUCIDATE GAS-PHASE PEPTIDE DISSOCIATION MECHANISMS AND IMPROVE PROTEIN IDENTIFICATION." Diss., Tucson, Arizona : University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1133%5F1%5Fm.pdf&type=application/pdf.

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Zins, Emilie-Laure. "Etude théorique et expérimentale par ESI/MS/MS de complexes cationisés de bases nucléiques, et de la fragmentation d'ions benzylpyridinium." Paris 6, 2009. http://www.theses.fr/2009PA066239.

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Les sources electrospray sont souvent utilisées en couplage avec la spectrométrie de masse, pour étudier des complexes non covalents d’intérêt biologique. On considère que les complexes caractérisés par des intensités importantes sont le reflet de structures stables formées en solution, mais ce point n’a jamais été démontré. Les résultats que nous avons obtenus, à la fois expérimentalement et théoriquement, dans le cas de la formation de complexes de bases nucléiques autour de cations, montrent que les complexes se forment très probablement lors de l’électronébulisation de la solution. L’énerg
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Ballade, Tosco Armelle. "Identification et caractérisation par spectrométrie de masse de substances à activités biologiques produites par des souches de BacillusS." Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14240.

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Les substances synthétisées par les bactéries du genre Bacillus présentent un grand intérêt en raison de leurs nombreuses activités antimicrobiennes. L’objectif de ce travail a consisté à mettre au point un protocole analytique fiable pour extraire ces substances, et les caractériser par spectrométrie de masse et par leurs activités biologiques. Une première approche par spectrométrie de masse MALDI-ToF ne nous a pas donné de résultats satisfaisants en raison d’un phénomène de suppression spectrale. Une seconde stratégie d’étude combinant deux techniques analytiques a alors été envisagée. Les
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Bush, David Roy. "The LC/MS/MS Analysis of Pyridinoline and Desmosines in Hypertensive Mouse Aorta, Elucidation of Arginine and Proline Fragmentation for the Analysis of Arginine Metabolism in Mosquitoes by LC/MS/MS, and Mudpit Identification of B. Pseudomallei Proteins in Urine." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/293615.

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This dissertation presents an investigation into the application of mass spectrometry to the detection and quantitation of proteins and amino acids in complex biological samples. This is accomplished by two dimensional chromatography (strong cation exchange / reverse phase) coupled to tandem mass spectrometry followed by peptide spectrum matching for the detection of Burkholderia pseudomallei proteins in infected patient urine samples and reverse phase liquid chromatography coupled to a triple quadrupole and quadrupole time of flight mass spectrometers for the quantitation of cross-linked or
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Schuhmann, Imelda. "Aufbau einer HPLC-UV-ESI-MS-MS-Datenbank und ihre Anwendung im Screening arktischer und antarktischer Meeresbakterien." Doctoral thesis, [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=977037568.

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Book chapters on the topic "MS/MS fragmentation"

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Yinon, J. "MS/MS CID Fragmentation Processes in Nitronaphthalenes." In Advances in Analysis and Detection of Explosives. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-0639-1_27.

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Caleb, Ahoya Anothane, Youssef Ramli, Hicham Benabdelkamel, et al. "Synthesis and ESI-MS/MS Fragmentation Study of Two New Isomeric Oxazolidin-2-One Derivatives." In NATO Science for Peace and Security Series A: Chemistry and Biology. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1113-3_15.

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Yinon, J. "MS/MS of Energetic Compounds: Collision Induced Dissociation (CID) Studies of Fragmentation Processes in Energetic Molecules." In Chemistry and Physics of Energetic Materials. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-2035-4_31.

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Cheng, Simin, Xu Zhao, and Xiaoxiao Ma. "Chapter 9. Structural Analysis of Lipids Using Advanced Tandem MS Methods." In Advanced Fragmentation Methods in Biomolecular Mass Spectrometry. Royal Society of Chemistry, 2020. http://dx.doi.org/10.1039/9781839161056-00209.

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Chaleckis, Romanas, Shama Naz, Isabel Meister, and Craig E. Wheelock. "LC-MS-Based Metabolomics of Biofluids Using All-Ion Fragmentation (AIF) Acquisition." In Methods in Molecular Biology. Springer New York, 2018. http://dx.doi.org/10.1007/978-1-4939-7592-1_3.

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Bird, Susan S., Irina G. Stavrovskaya, Rose M. Gathungu, Fateme Tousi, and Bruce S. Kristal. "Qualitative Characterization of the Rat Liver Mitochondrial Lipidome Using All Ion Fragmentation on an Exactive Benchtop Orbitrap MS." In Methods in Molecular Biology. Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-2257-4_36.

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"Fragmentation of Even-Electron Ions." In Interpretation of MS-MS Mass Spectra of Drugs and Pesticides. John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119294269.ch3.

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"Fragmentation of Drugs and Pesticides." In Interpretation of MS-MS Mass Spectra of Drugs and Pesticides. John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119294269.ch4.

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Tsugawa, Hiroshi. "Computational MS/MS Fragmentation and Structure Elucidation Using MS-FINDER Software." In Comprehensive Natural Products III. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-409547-2.14645-1.

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Watson, Jack Throck, and O. David Sparkman. "Techniques for ion dissociation (fragmentation) and scanning in MS/MS." In Encyclopedia of Genetics, Genomics, Proteomics and Bioinformatics. John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/047001153x.g301416.

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Conference papers on the topic "MS/MS fragmentation"

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Yu, Chungong, Yu Lin, Shiwei Sun, et al. "AN ITERATIVE ALGORITHM TO QUANTIFY THE FACTORS INFLUENCING PEPTIDE FRAGMENTATION FOR MS/MS SPECTRUM." In Proceedings of the Conference CSB 2006. PUBLISHED BY IMPERIAL COLLEGE PRESS AND DISTRIBUTED BY WORLD SCIENTIFIC PUBLISHING CO., 2006. http://dx.doi.org/10.1142/9781860947575_0042.

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Karacan, C. Ozgen, and Phillip M. Halleck. "Correlating Particle Size Distribution in a Crushed Zone to Perforating Permeability Damage and Modeling Using Fragmentation Fractal Theory." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2002. http://dx.doi.org/10.2118/77365-ms.

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Kotkin, N. J., G. C. Boere, and R. Hindrum. "Oil- and Gas Development as a Potential Threat to Protected Areas and Pristine Wilderness in the South-East Barents Sea and Nenets Autonomous Okrug - Habitat Fragmentation and Contamination." In SPE International Conference on Health, Safety and Environment in Oil and Gas Exploration and Production. Society of Petroleum Engineers, 2000. http://dx.doi.org/10.2118/61104-ms.

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Ahumada, Carlos, Margot Panta, Ana Alicia Watson, Carlos Videla, and Claudia Chung. "Contributions to the Design of a Methodology for the Monitoring of the Impacts of Habitat Fragmentation on Biodiversity Under an Adaptive Management Approach on a Pipeline Project in the Lower Urubamba, Peru." In SPE Latin-American and Caribbean Health, Safety, Environment and Social Responsibility Conference. Society of Petroleum Engineers, 2013. http://dx.doi.org/10.2118/165631-ms.

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Cheng, Zhong, Rongqiang Xu, Jianbing Chen, et al. "Rapid Development of Multi-Source Heterogeneous Drilling Data Service System." In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/202199-ms.

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Abstract Digital oil and gas field is an overly complex integrated information system, and with the continuous expansion of business scale and needs, oil companies will constantly raise more new and higher requirements for digital transformation. In the previous system construction, we adopted multi-phase, multi-vendor, multi-technology and multi-method, resulting in the problem of data silos and fragmentation. The result of the data management problems is that decisions are often made using incomplete information. Even when the desired data is accessible, requirements for gathering and format
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Fielding, Rebecca A., Reuben H. Kraft, X. G. Tan, Andrzej J. Przekwas, and Christopher D. Kozuch. "High Rate Impact to the Human Calcaneus: A Micromechanical Analysis." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38930.

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An “underbody blast” (UBB) is the detonation of a mine or improvised explosive device (IED) underneath a vehicle. In recent military conflicts, the incidence of UBBs has led to severe injuries, specifically in the lower extremities The foot and ankle complex, particularly the calcaneus bone, may sustain significant damage. Despite the prevalence of calcaneal injuries, this bone’s unique properties and the progression of fracture and failure have not been adequately studied under high strain rate loading. This research discusses early efforts at creating a high-resolution computational model of
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