Relevant bibliographies by topics / Mass and Energy spectrometry

Academic literature on the topic 'Mass and Energy spectrometry'

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Published: 7 July 2024
Last updated: 7 July 2024

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Journal articles on the topic "Mass and Energy spectrometry"

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Butcher, Colin P. G. "Energy-Dependent Electrospray Ionization Mass Spectrometry." Australian Journal of Chemistry 56, no. 4 (2003): 339. http://dx.doi.org/10.1071/ch03028.

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Vékey, Károly. "Internal Energy Effects in Mass Spectrometry." Journal of Mass Spectrometry 31, no. 5 (May 1996): 445–63. http://dx.doi.org/10.1002/(sici)1096-9888(199605)31:5<445::aid-jms354>3.0.co;2-g.

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Baranov, Vladimir. "Ion energy in quadrupole mass spectrometry." Journal of the American Society for Mass Spectrometry 15, no. 1 (January 2004): 48–54. http://dx.doi.org/10.1016/j.jasms.2003.09.006.

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Dogra, Akshay. "A Thorough Examination of the Recent Advances in Mass Spectrometry." International Journal for Research in Applied Science and Engineering Technology 11, no. 7 (July 31, 2023): 1731–41. http://dx.doi.org/10.22214/ijraset.2023.54964.

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Abstract: Mass spectrometry has become an essential tool in pharmaceutical analysis, revolutionizing drug development, quality assurance, and our understanding of complex biological systems. This review provides a comprehensive overview of recent advances in mass spectrometry for pharmaceutical analysis. We discuss the fundamentals of mass spectrometry, including ionization and mass analysis principles, as well as the various types of mass spectrometers used in pharmaceutical analysis. We explore high-resolution mass spectrometry (HRMS), tandem mass spectrometry (MS/MS), ambient ionization mass spectrometry, and mass spectrometry imaging (MSI), highlighting their applications in drug characterization, quantification, imaging, and biomarker discovery. Furthermore, we examine the challenges faced by mass spectrometry, such as matrix effects and data interpretation, and discuss emerging trends and future perspectives. By understanding the recent advancements and addressing the challenges, mass spectrometry can continue to drive advancements in pharmaceutical analysis and quality assurance
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Calcagnile, Lucio, Antonio D’Onofrio, Mariaelena Fedi, Pier Andrea Mandò, Gianluca Quarta, Filippo Terrasi, and Claudio Tuniz. "ACCELERATOR MASS SPECTROMETRY." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 268, no. 7-8 (April 2010): iii. http://dx.doi.org/10.1016/j.nimb.2009.10.001.

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Jiang, Peihe, and Zhanfeng Zhao. "Low-Vacuum Quadrupole Mass Filter Using a Drift Gas." International Journal of Analytical Chemistry 2020 (December 28, 2020): 1–9. http://dx.doi.org/10.1155/2020/8883490.

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Performing mass spectrometry in a low-vacuum environment can markedly reduce the cost, size, and power consumption of instrumentation by reducing the workload of the pumping system. Under a low-vacuum environment, ions in a quadrupole mass filter do not have sufficient kinetic energy in the axial direction to reach the detector for mass analysis. To resolve this problem and develop a mass spectrometer suitable for a low-vacuum environment, a mass analysis method is proposed where a drift gas is used to supply energy to the ions. A simulation model was constructed in COMSOL Multiphysics, and a simple experimental device was built to validate the proposed method. The simulation results showed that this method effectively solves these problems, and the obtained spectral peak was superior to that without drift gas flow regarding spectral peak intensity and width. The experimental results showed that the proposed method separated ions with different mass-to-charge ratios at a pressure of 20 Pa. This work provides a theoretical foundation for the development of low-vacuum mass spectrometry, which will promote portability, provide a lower threshold of use, and expand the fields of application for mass spectrometers.
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Czerwinski, B., Ch Palombo, L. Rzeznik, B. J. Garrison, K. Stachura, R. Samson, and Z. Postawa. "Organic mass spectrometry with low-energy projectiles." Vacuum 81, no. 10 (June 2007): 1233–37. http://dx.doi.org/10.1016/j.vacuum.2007.01.026.

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Sugiura, Yuki, and Mitsutoshi Setou. "Visualization of energy metabolism by mass spectrometry." Neuroscience Research 68 (January 2010): e444-e445. http://dx.doi.org/10.1016/j.neures.2010.07.1972.

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Mészáros, Erika, Emma Jakab, G. Várhegyi, and P. Tóvári. "Thermogravimetry/mass spectrometry analysis of energy crops." Journal of Thermal Analysis and Calorimetry 88, no. 2 (May 2007): 477–82. http://dx.doi.org/10.1007/s10973-006-8102-4.

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Cooks, R. G., and O. W. Hand. "Tandem mass spectrometry at low kinetic energy." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 29, no. 1-2 (November 1987): 427–36. http://dx.doi.org/10.1016/0168-583x(87)90277-1.

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Dissertations / Theses on the topic "Mass and Energy spectrometry"

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Tsutsui, Yuko. "EXPLORING FUNCTIONAL AND FOLDING ENERGY LANDSCAPES BY HYDROGEN-DEUTERIUM EXCHANGE MASS SPECTROMETRY." Case Western Reserve University School of Graduate Studies / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=case1196199391.

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Fu, Tingting. "3D and High Sensitivity Micrometric Mass Spectrometry Imaging." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS218/document.

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L'imagerie par spectrométrie de masse est d’un grand intérêt pour aborder les questions biologiques en fournissant simultanément des informations chimiques et spatiales. En particulier, la spectrométrie de masse baptisée TOF-SIMS est bien reconnue par sa haute résolution spatiale (< 1 μm), qui est essentielle pour révéler l'information chimique dans une zone submicronique. L'emploi croissant de cette technique dans la caractérisation des échantillons biologiques a bénéficié du développement de nouvelles sources d'ions d’agrégats. Cependant, les processus d'ionisation/désorption des analytes sous les impacts d’agrégats lourds sont encore mal compris. D'un autre côté, techniquement, les instruments TOF-SIMS commerciaux actuels ne peuvent pas fournir une résolution en masse suffisante ni une précision sur la détermination de la masse pour l'identification moléculaire, ce qui rend les analyses de systèmes biologiques complexes très difficiles, et nécessite le recours à la fragmentation MS/MS. Cette thèse vise à mieux comprendre la production d'ions sous l’impact d’agrégats lourds et à explorer la capacité MS/MS du spectromètre de masse par temps de vol combiné à l’imagerie ionique en utilisant le spectromètre de masse PHI nanoTOF II. Ce dernier point a été réalisé en cartographiant en haute résolution spatiale des métabolites importants de bois. Pour comprendre la production d'ions sous les impacts d’agrégats d'argon massifs, l'énergie interne des ions secondaires a été mesurée en utilisant la mesure du taux de survie d'une série d'ions benzylpyridinium. L'étude de diverses conditions d'impact (énergie, vitesse, taille des agrégats) a montré que la vitesse joue le rôle majeur dans la distribution d'énergie interne et la fragmentation moléculaire dans le régime à faible énergie par atome (E/n < 10 eV).Les capacités de la fragmentation MS/MS et d'imagerie en parallèle du spectromètre PHI nanoTOF II nouvellement conçu ont été évalués par cartographie MS/MS in situ des métabolites bioactifs rubrynolide et rubrenolide dans les espèces amazoniennes de bois Sextonia rubra, ainsi qu’une identification in situ des métabolites précurseurs. L'imagerie TOF-SIMS 2D et 3D a permis de localiser les cellules où cette biosynthèse s’effectue. Les résultats ont conduit à la proposition d'une voie possible de biosynthèse des deux métabolites. Pour étendre l'application de l'imagerie TOF-SIMS dans l'analyse chimique du bois, la distribution radiale des extraits de bois dans le duramen du bois du mélèze européen a également été étudiée
Mass spectrometry imaging has been shown of great interest in addressing biological questions by providing simultaneously chemical and spatial information. Particularly, TOF-SIMS is well recognized for its high spatial resolution (< 1 µm) which is essential in disclosing chemical information within a submicron area. The increasing use of TOF-SIMS in characterizing biological samples has greatly benefited from the introduction of new cluster ion sources. However, the ionization/desorption of the analytes under impacts of large clusters is still poorly understood. On the other hand, technically, current commercial TOF-SIMS instruments generally cannot provide sufficient mass resolution or mass accuracy for molecular identification, making analyses of complex biological systems especially challenging when no MS/MS fragmentation is available. Thus this thesis is aimed to get a better understanding of ion production under cluster impacts, to explore the MS/MS capability of the parallel imaging MS/MS Spectrometer (PHI nanoTOF II), as well as to apply TOF-SIMS to map important wood metabolites with high spatial resolution.In order to understand ion production under impacts of massive argon clusters, internal energy distributions of secondary ions were measured using survival yield method which involves the analyses of a series of benzylpyridinium ions. Investigation of various impacting conditions (energy, velocity, cluster size) suggested that velocity of the clusters play a major role in internal energy distribution and molecular fragmentation in the low energy per atom regime (E/n < 10 eV). The MS/MS fragmentation and parallel imaging capabilities of the newly designed PHI nanoTOF II spectrometer were evaluated by in situ MS/MS mapping of bioactive metabolites rubrynolide and rubrenolide in Amazonia wood species Sextonia rubra. Then this parallel imaging MS/MS technique was applied to perform in situ identification of related precursor metabolites in the same tree species. 2D and 3D TOF-SIMS imaging were carried out to target the plant cells that biosynthesize rubrynolide and rubrenolide. The results led to the proposal of a possible biosynthesis pathway of these two metabolites. In addition, to expand the application of TOF-SIMS imaging in wood chemistry analysis, radial distribution of wood extractives in the heartwood of European larch was also investigated
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Rowland, Tyson G. "Accurate ionic bond energy measurements with TCID mass spectrometry and imaging PEPICO spectroscopy." Scholarly Commons, 2012. https://scholarlycommons.pacific.edu/uop_etds/809.

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Two projects are presented here. In the first, metal-cyclopentadienyl bond dissociation energies (BDEs) were measured for seven metallocene ions (Cp2M+, Cp = η5-cyclopentadienyl = c-C5H5, M = Ti, V, Cr, Mn, Fe, Co, Ni) using threshold collision-induced dissociation (TCID) performed in a guided ion beam tandem mass spectrometer. For all seven room temperature metallocene ions, the dominant dissociation pathway was simple Cp loss from the metal. Traces of other fragment ions were also detected, such as C10H10+, C10H8+, C8H8+, C3H3+, H2M+, C3H3M+, C6H6M+, and C7H6M+, depending on the metal center. Statistical modeling of the Cp-loss TCID experimental data, including consideration of energy distributions, multiple collisions, and kinetic shifts, allow the extraction of 0 K [CpM+ - Cp] BDEs. These are found to be 4.95 ± 0.15, 4.02 ± 0.14, 4.22 ± 0.13, 3.51 ± 0.12, 4.26 ± 0.15, 4.57 ± 0.15, and 3.37 ± 0.12 eV for Cp2To+, Cp2V+, Cp2Cr+, Cp2Mn+, Cp2Fe+, Cp2Co+, and Cp2Ni+, respectively. The measured BDE trend is largely in line with arguments based on a simple molecular orbital picture, with the exceptions of a reversal in Cp2Mn+ and Cp2Ni+ BDEs (although within uncertainty), and the exceptional case of titanocene, most likely attributable to its bent structure. The new results presented here are compared to previous literature values and are found to provide a more complete and accurate set of thermochemical parameters. In the second project, imaging photoelectron photoion coincidence (iPEPICO) spectroscopy has been used to determine 0 K appearance energies for the unimolecular dissociation reactions of several energy selected 1-alkyl iodide cations n-CnH2n+1I+ → CnH2n+1+ + I, (n = 2-5). The 0 K appearance energies of the iodine-loss fragment ions were determined to be 9.836 ± 0.010, 9.752 ± 0.010, 9.721 ± 0.010, and 9.684 ± 0.010 eV for n-C3H7I, n-C4H9I, n-C5H11I, and n-C6H13I molecules, respectively. Isomerization of then-alkyl iodide structures into 2-iodo species adds complexity to this study. Using literature adiabatic ionization energies, ionic bond dissociation energies were calculated for the four modeled iodoalkyl cations and it was shown that as the alkyl chain length increases, the carbon-halogen bond strength decreases, supporting the suggestions set forth by inductive effects. In the modeling with statistical energy distributions and rate theory, the role of hindered rotors was also evaluated and no strong experimental evidence was found either way. The heaviest species in the series, heptyl iodide (C7H15I) was also measured via iPEPICO and showed to have a greater complexity of fragmentation than the lighter analogs. Sequential dissociation of the first fragment ion, C7H15+ leads to C4H9+, C5H11+, and C3H7+ ions in competitive dissociation processes, dominated at low energies by the C4H9+ cation.
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Begley, Ian S. "A study of isotope ratio measurement by inductively coupled plasma mass spectrometry." Thesis, Loughborough University, 1996. https://dspace.lboro.ac.uk/2134/12223.

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The measurement of isotopic ratios by inductively coupled plasma mass spectrometry (ICP-MS) has the benefits of ionising all metallic elements, simplifying sample preparation and reducing analysis time, when compared with thermal ionisation mass spectrometry (TIMS). However, the use of ICP-MS in isotopic ratio studies has been somewhat restricted by Its failure to offer the precision and accuracy required by a variety of applications. The precision achievable by ICPMS, typically 0.2 to 0.3 % RSD, for isotopic ratios, has generally been regarded as being primarily limited by instrumental instability. An investigation of the sources of instrumental noise in ICP-MS has been undertaken, utilising noise spectral analysis as a diagnostic md Study of parametric variation upon noise production has identified the methods by which modulation of the ion signal occurs Noise spectral analysis has allowed an understanding of the limitations imposed upon measurement precision by the various contributing noise sources to be established The key to improved measurement precision has been found to lie in the development of data acquisition methods which allow the predominant sources of instrumental noise to be effectively filtered from the ion signal The methodology developed for sequential measurement of isotopes, using a quadrupole mass analyser, to reduce the deleterious influences of instrumental noise is discussed. Results are given for isotopic ratio measurement which demonstrate that a precision of approximately 0 05 % RSD can be attained The factors which affect the accuracy of isotopic ratio measurement are shown to be many and varied and depend to a large extent on the particular Isotopes bemg studied Definition of an appropriate measurement strategy for high accuracy isotope ratio measurement involves consideration of all possible causes of bias and adoption of methods for their elimination or correction. To facilitate this process a protocol has been developed and subsequently applied to various elements and instrument systems.
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Sassin, Nicholas A. "Optical and collisional energy transfer processes in fluorescent dyes, quaternary alkylammonium and peptide cations." abstract and full text PDF (free order & download UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3307572.

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Smith, Lori Lyn. "Effectiveness of low energy collisional activation methods for automated peptide sequencing by tandem mass spectrometry." Diss., The University of Arizona, 2003. http://hdl.handle.net/10150/280450.

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The relative efficiencies of low energy (< 100 eV) collisional activation techniques were determined for peptide sequencing by tandem mass spectrometry (MS/MS). Tryptic peptides were fragmented using either collision induced dissociation (CID) or surface induced dissociation (SID) to generate spectral databases. Statistical analysis of the resulting fragment ions and success rates for automated peptide sequencing by publicly available algorithms provided a measure of the value of sequencing information content of CID and SID MS/MS spectra. Typical success rates were determined for automated sequencing by SEQUEST¹⁻³, MS-Tag⁴, Mascot's⁵ MS/MS Ion Search and Sequence Query using low energy CID spectra. The ability of an algorithm to match peptide sequences to raw MS/MS data directly depended on various factors including the mass spectrometer from which the spectra were acquired, the precursor ion charge state, and the mass accuracy and resolution available in the spectra. Statistical analysis demonstrated the presence of similar fragment ions in SID and CID spectra. A lack of long contiguous ion series in SID spectra prevented automated sequencing using conventional approaches. Thus, "patchwork peptide sequencing"⁶, an unconventional method to derive specific sequence criteria for unknown peptides from SID spectra, was performed. Submitting this information to Mascot's Sequence Query allowed database searching strategies to achieve automated peptide sequencing with SID spectra. Some aspects of gas phase ion chemistry were explored for the unexpected formation of fragment ions from cleavage C-terminal to proline residues. Semi-empirical calculations suggest the most stable structure for valineprolyl-b₂ ion is a diketopiperazine, although the MS/MS/MS fragmentation pattern for VP-b₂ is indicative of an oxazalone structure. Support for a diketopiperazine structure is provided by similar fragmentation patterns for VP-b₂ and a synthetic diketopiperazine VP, and prevention of the formation of VP-b₂ by acetylation of the free N-terminus. Substitution of N-methyl alanine for proline produces a b₂ ion that fragments by loss of a portion of the valine residue, consistent with an oxazalone structure. However, theoretical calculations suggest the N-methyl alanine-containing b₂ ion is a diketopiperazine. The differences in fragmentation patterns indicate that the gas phase ion structures for the proline- and N-methyl alanine-containing b₂ ions are different, although stability calculations suggest otherwise.
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Yau, Pui Yip. "Thresholds for production of gaseous ions in matrix-assisted laser desorption/ionisation mass spectrometry of bio-molecules." Thesis, University of Warwick, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389459.

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Yang, Zhongyu. "Performance Advantages of Maximum Likelihood Methods in PRBS-Modulated Time-of-flight Energy Loss Spectroscopy." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/YangZ2003.pdf.

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Bottrill, Andrew R. "High-energy collision-induced dissociation of macromolecules using tandem double-focusing/time-of-flight mass spectrometry." Thesis, University of Warwick, 2000. http://wrap.warwick.ac.uk/52318/.

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The first part of this study involves the adaptation of a matrix-assisted laser desorption/ionisation (MALDI) ion source for a tandem double-focusingltime-offlight instrument (MAG-TOF). Ion trajectory modelling was carried out for defining the optimum ion optical configuration for a new extraction region and associated ion optics that were designed and constructed. Installation of the new ion source resulted in increased sensitivity and no loss of resolution. The second part of this study involves the analysis of fullerenes and fullerene derivatives by high-energy collision-induced dissociation (CID). The structure of fullerenes formed by coalescence under the conditions of laser desorption were shown to be that of a single fullerene closed-cage structure. The dissociation of exohedral fullerene hydride derivatives was investigated. The third part of this study investigates the high-energy collision-induced dissociation of polyglycol polymer ions generated by MALDI. Mechanisms have been proposed for the dissociation of poly(ethylene glycol) and poly(propylene glycol). High-energy CID has been shown to be particularly useful for the determination of polymer end-group structure.
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Williams, Jonathan Paul. "Ion structure determination using novel time-of-flight techniques and mass-analysed ion kinetic energy spectrometry." Thesis, Swansea University, 2000. https://cronfa.swan.ac.uk/Record/cronfa42653.

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Mass spectrometry is a powerful analytical technique that possesses the capability of molecular characterisation of complex mixtures. The technique has been the method afforded in this study for the characterisation of such mixtures of industrial relevance. The last decade has seen an important revival of one area in particular, time-of-flight mass spectrometry, which has had a significant impact on the field of mass spectrometry. This has been largely due to two recently developed ionisation methods, namely electrospray and matrix-assisted laser desorption ionisation. These ionisation methods have led to the development of novel time-of-flight mass spectrometer designs by commercial manufacture's, which take advantage of the theoretically unlimited mass range and the acquisition of a full mass spectrum every injection pulse of ions. Matrix-assisted laser desorption and electrospray ionisation have been interfaced to two novel time-of-flight mass analysers, the 'Autospec' oa- ToF, a hybrid sector orthogonal-acceleration time-of-flight instrument and the 'LCT', a liquid chromatograph time-of-flight instrument, manufactured by Micromass U.K., Ltd respectively. They have been successfully used to investigate and fully characterise complex systems of industrial significance. The 'Autospec' oa-ToF was used for high-energy collision induced dissociation experiments. The high sensitivity of the time-of-flight analyser was very powerful in the detection of product ions produced from various synthetic polymer precursor ions. The detailed structural information produced will be shown to fully characterise the polystyrene samples studied. An expanding area of mass spectrometry is electrospray ionisation used with orthogonal acceleration time-of-flight. The two methods when used in reflectron mode have significantly removed early limitations on resolution that time-of-flight mass analysers initially possessed. Sampling the electrosprayed ions orthogonally results in an increased duty cycle, which can be advantageous if fast chromatography is required. Evaluation of the LCT instrument, will be shown to provide mass resolution of the order of 5000 at full-width half maximum, mass accuracies of the order of 5ppm, full scan sensitivity equal to that of a quadrupole instrument in single ion monitoring mode and the detection of singly charged ions greater than m/z 10000. The research unit at Swansea University allowed the opportunity to investigate ion structural problems on an instrument built in house of BEE geometry. The energy released upon metastable fragmentation, leading to the formation of C3H3+ ions formed in some simple organic molecules yield peak shapes of a composite nature. The selection of ions from the translational energy-release distribution produced, have been investigated by consecutive reactions and will be shown to fully characterise isomeric ion structures.
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Books on the topic "Mass and Energy spectrometry"

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United States. National Aeronautics and Space Administration., ed. Development of a miniature mass analyzer and associated instrumentation for improved capabilities in the analysis of low energy plasmas from a rocket or satellite platform: Final technical report. [Washington, D.C]: National Aeronautics and Space Administration, 1992.

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Copland, Evan H. Measuring thermodynamic properties of metals and alloys with Knudsen effusion mass spectrometry. Cleveland, Ohio: National Aeronautics and Space Administration, Glenn Research Center, 2010.

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Bottrill, Andrew R. High-energy collision-induced dissociation of macromolecules using tandem double-focusing/time-of-flight mass spectrometry. [s.l.]: typescript, 2000.

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Ray, P. K. Low-energy sputtering studies of boron nitride with xenon ions. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1999.

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Ray, P. K. Low-energy sputtering studies of boron nitride with xenon ions. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1999.

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Ray, P. K. Low-energy sputtering studies of boron nitride with xenon ions. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1999.

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Ray, P. K. Low-energy sputtering studies of boron nitride with xenon ions. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1999.

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Busch, Kenneth L. Mass spectrometry/ mass spectrometry: Techniques and applications of tandem mass spectrometry. Weinheim: VCH, 1988.

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Busch, Kenneth L. Mass spectrometry/mass spectrometry: Techniques and applications of Tandem mass spectrometry. New York, N.Y: VCH Publishers, 1988.

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James, Barker. Mass spectrometry. 2nd ed. New York: John Wiley & Sons, 1999.

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Book chapters on the topic "Mass and Energy spectrometry"

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Eide, Ingvar, and Kolbjørn Zahlsen. "Renewable Energy: Mass Spectrometry in Biofuel Research." In Mass Spectrometry Handbook, 749–62. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118180730.ch34.

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Cooper, Helen J., and Peter J. Derrick. "Energy Shifts in Collisional Activation." In Mass Spectrometry in Biomolecular Sciences, 201–59. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0217-6_10.

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Wollnik, H. "Energy—Isochronous Time—of—Flight Mass Spectrometers." In Mass Spectrometry in Biomolecular Sciences, 111–46. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0217-6_7.

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Zhang, Wei, and Rawi Ramautar. "Assessing the Energy Status of Low Numbers of Mammalian Cells by Capillary Electrophoresis–Mass Spectrometry." In Capillary Electrophoresis-Mass Spectrometry, 203–9. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2493-7_13.

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Soff, G., I. Bednyakov, T. Beier, F. Erler, I. A. Goidenko, U. D. Jentschura, L. N. Labzowsky, et al. "Effects of QED and Beyond from the Atomic Binding Energy." In Atomic Physics at Accelerators: Mass Spectrometry, 75–103. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-1270-1_4.

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Goidenko, I., L. Labzowsky, A. Nefiodov, G. Plunien, G. Soff, and S. Zschocke. "Evaluation of the Two-Photon Self-Energy Correction for Hydrogenlike Ions." In Atomic Physics at Accelerators: Mass Spectrometry, 397–400. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-1270-1_40.

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Beier, T., A. N. Artemyev, G. Plunien, V. M. Shabaev, G. Soff, and V. A. Yerokhin. "Vacuum-Polarization Screening Corrections to the Low-Lying Energy Levels of Heliumlike Ions." In Atomic Physics at Accelerators: Mass Spectrometry, 369–74. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-1270-1_35.

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Lifshitz, Chava. "Intramolecular Vibrational Energy Redistribution and Ergodicity of Biomolecular Dissociation." In Principles of Mass Spectrometry Applied to Biomolecules, 239–75. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/047005042x.ch7.

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Laskin, Julia. "Energy and Entropy Effects in Gas-Phase Dissociation of Peptides and Proteins." In Principles of Mass Spectrometry Applied to Biomolecules, 619–65. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/047005042x.ch16.

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Vékey, Károly. "Role of Internal Energy in Mass Spectrometric Fragmentation." In Selected Topics in Mass Spectrometry in the Biomolecular Sciences, 129–42. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5165-8_8.

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Conference papers on the topic "Mass and Energy spectrometry"

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Veličković, Suzana, and Xianglei Kong. "„Superalkali” clusters, production, potential application like energy storage materials." In 8th International Conference on Renewable Electrical Power Sources. SMEITS, 2020. http://dx.doi.org/10.24094/mkoiee.020.8.1.15.

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One of the major developments of the past century was the recognition of clusters as building blocks of new materials. “Superalkali” clusters because of their ionization energies which lower than alkaline atoms, present the excellent reducing agents; hence, they are recognized as good can-didates for the synthesis of unusually compounds. “Superalkalis”, plays an important role in the chemistry and material science because of their potential to serve as structural units for the assem-bly of novel nanostructured functional materials, such as nonlinear optical materials, hydrogen storage materials, as well as an excellent reduction reagent for decreasing emissions of carbon dioxide, nitrogen oxides, and molecular nitrogen. One way to get a cluster is to use unconventional methods. To date, the mass spectrometry has proven itself a crucial method, which has no alterna-tive, in the field of the production “superalkali” clusters. However, in order to obtain these clus-ters, it is necessary to make modifications of the mass spectrometers available on the market. With-in this paper, the possibilities of obtaining “superalkali” clusters by combining two classical meth-ods of mass spectrometry such as, Knudsen cell and the surface ionization within a magnetic mass spectrometer will be presented. The modified classic surface ionization mass spectrometry has con-firmed to be an efficient and inexpensive method for obtaining these clusters.
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Goeringer, D. E., and W. H. Christie. "Resonance Ionization Mass Spectrometry Using Ion-Beam Sampling." In Lasers in Material Diagnostics. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/lmd.1987.thc2.

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Sputter atomization/resonance ionization mass spectrometry (SA/RIMS) is a highly sensitive technique for materials analysis which combines ion beam sputtering, resonance ionization, and mass spectrometry. A pulsed beam of high-energy primary ions bombards the sample producing a plume of neutral atoms. The cloud of sputtered neutrals is intersected and ionized by a synchronized, pulsed laser beam tuned to a resonant transition for specific sample atoms. Laser-generated ions are then extracted into a mass spectrometer for mass analysis. Ion beam sputtering allows the sampling process to be highly controlled by varying the energy, current density, and composition of the primary beam; the pulsed nature of the beam results in efficient sample utilization. Use of a micro-focused beam permits imaging of small areas and particles. The pulsed dye laser generates the high optical power necessary to efficiently ionize the sputtered atoms. Mass analysis of the laser-generated ions provides the capability for isotope ratio measurements.
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Kitagawa, Kuniyuki, Shigeaki Morita, Kenji Kodama, and Kozo Matsumoto. "Spectroscopic Monitoring of Energy Systems (Calvin W. Rice Lecture)." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81047.

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A review is presented for monitoring of chemical species in flames and plasmas used for energy systems. The monitoring systems studied in our group include the followings. 1. Developments and applications of planar laser induced fluorescence spectrometry (PLIF) using isotope effect and laser-induced plasma spectrometry (LIPS) for two-dimensional combustion analyses. 2. Development of direct measurements of chemical species during combustion by coupling flames and mass spectrometers. 3. Development of in-situ monitoring of polymer electrolyte fuel cells by near infrared spectrometry (NIR).
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El-Shafie, Mahmoud Y., Sally Bebawi, Hussein H. Zomor, and Frank Gunzer. "Improvement of the ion transfer efficiency in ion mobility spectrometry-mass spectrometry." In 2016 IEEE Workshop on Environmental, Energy, and Structural Monitoring Systems (EESMS). IEEE, 2016. http://dx.doi.org/10.1109/eesms.2016.7504828.

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Estler, R. C., E. C. Apel, and N. S. Nogar. "Laser Etching and Evaporation of CaF2 Studied by Mass Spectrometry." In Microphysics of Surfaces, Beams, and Adsorbates. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/msba.1987.wc10.

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In this work we describe the interaction of relatively high-fluence laser pulses (ϕ≥10 J/cm2) with polished CaF2 substrates. Both electron impact- and laser ionization-mass spectrometry have been used to probe the material spalled by the fundamental(1.06μ) and harmonic (355 nm and 266 nm) outputs from a Q-switched Nd:YAG laser. Primary ions produced in the source region of a quadrupole mass spectrometer were detected by turning off the eletron impact ionizer, while survey electron impact mass spectra were typically acquired at an energy of 75 eV. A time-of-flight mass spectrometer was modified to permit optical access by both the etching and interrogation laser beams1. This latter apparatus was used to measure velocity distributions, and to provide optical spectroscopic identification of the ion precursors.
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Menoni, Carmen S. "Extreme ultraviolet laser ablation mass spectrometry: probes chemical composition at the nanoscale (Conference Presentation)." In UV and Higher Energy Photonics: From Materials to Applications 2019, edited by Gilles Lérondel, Yong-Hoon Cho, Satoshi Kawata, and Atsushi Taguchi. SPIE, 2019. http://dx.doi.org/10.1117/12.2529814.

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van de Ven, Tijn H. M., Pim Reefman, Edgar A. Osorio, Vadim Y. Banine, and Job Beckers. "Investigation of ion energy distribution functions in EUV-induced plasmas by ion mass spectrometry." In 2016 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2016. http://dx.doi.org/10.1109/plasma.2016.7534354.

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Kolodko, D. V., A. V. Kaziev, and A. V. Tumarkin. "Mass-resolved spectrometry of ion flux from hot-target reactive HiPIMS discharge with Si target." In 8th International Congress on Energy Fluxes and Radiation Effects. Crossref, 2022. http://dx.doi.org/10.56761/efre2022.c4-o-047204.

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The work is devoted to the study of the composition of ion fluxes originating from hot-target reactive HiPIMS plasma. Experiments were carried out for thermally insulated Si target. The HiPIMS discharge was operated in O2/Ar mixture. The component composition of ion fluxes from plasma was measured by a custom-built magnetic mass-analyzer as a function of the reactive gas flow. In the experiments, sharp changes in the ratio of fluxes of different ions were observed once the injected reactive gas flow exceeded certain levels. Nevertheless, in the HiPIMS mode, the dominant fraction of ions were those of the target material. Distinct SiO+ signal in the ion flux was found that implies intense evaporation of oxide molecules.
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Wang, W., S. Y. Li, Y. Liu, D. K. Qiu, Y. Ma, and J. X. Wu. "Analysis of the chemical constitutions of Yaojie shale oil in China by gas chromatography–mass spectrometry (GC–MS)." In Energy and Sustainability V: Special Contributions. Southampton, UK: WIT Press, 2015. http://dx.doi.org/10.2495/ess140081.

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Bi, Zhe, Zeyi Zhou, Zixuan Liu, Shuli Ma, Haomiao Ma, Zhen Wang, Peng Huang, and Man Wang. "Determination of ultra-trace amount of halo-hydrocarbon in nitrogen by atmospheric pressure ionization mass spectrometry." In 2017 3rd International Forum on Energy, Environment Science and Materials (IFEESM 2017). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/ifeesm-17.2018.274.

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Reports on the topic "Mass and Energy spectrometry"

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Trimble, D. J. DATA ANALYSIS K-WEST BASIN CANISTER LIQUID AND GAS SAMPLES AND GAMMA ENERGY ANALYSIS AND MASS SPECTROMETRY DATA. Office of Scientific and Technical Information (OSTI), February 1996. http://dx.doi.org/10.2172/16098.

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Halliday, A. N. Applications of ICP magnetic sector multicollector mass spectrometry to basic energy research. Final report for period December 1st, 1993 - May 31st, 2000. Office of Scientific and Technical Information (OSTI), May 2002. http://dx.doi.org/10.2172/809162.

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A.L. Roquemore and S.S. Medley. The TFTR E Parallel B Spectrometer for Mass and Energy Resolved Multi-Ion Charge Exchange Diagnostics. Office of Scientific and Technical Information (OSTI), January 1998. http://dx.doi.org/10.2172/4580.

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Alcaraz, A., B. Andresen, and W. Martin. Finnigan ion trap mass spectrometer detection limits and thermal energy analyzer interface status report and present capabilities. Office of Scientific and Technical Information (OSTI), October 1990. http://dx.doi.org/10.2172/6282092.

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Benz, Frederick W. High Technology Mass Spectrometry Laboratory. Fort Belvoir, VA: Defense Technical Information Center, August 2010. http://dx.doi.org/10.21236/ada530590.

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Hastie, J. W., D. W. Bonnell, and P. K. Schenck. Laser-assisted vaporization mass spectrometry:. Gaithersburg, MD: National Institute of Standards and Technology, 2001. http://dx.doi.org/10.6028/nist.ir.6793.

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Hieftje, Gary M., and George H. Vickers. Developments in Plasma-Source Mass Spectrometry. Fort Belvoir, VA: Defense Technical Information Center, July 1988. http://dx.doi.org/10.21236/ada197732.

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Gaffney, Amy. Guideline on Isotope Dilution Mass Spectrometry. Office of Scientific and Technical Information (OSTI), May 2017. http://dx.doi.org/10.2172/1358328.

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Bach, Stephan B., and Walter Hubert. Radiation Biomarker Research Using Mass Spectrometry. Fort Belvoir, VA: Defense Technical Information Center, July 2007. http://dx.doi.org/10.21236/ada473187.

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Perdian, David C. Direct analysis of samples by mass spectrometry: From elements to bio-molecules using laser ablation inductively couple plasma mass spectrometry and laser desorption/ionization mass spectrometry. Office of Scientific and Technical Information (OSTI), January 2009. http://dx.doi.org/10.2172/972075.

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