Готові списки джерел за темами / Mass Spectrometric Study

Добірка наукової літератури з теми "Mass Spectrometric Study"

Автор: Grafiati
Опубліковано: 7 вересня 2023

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Статті в журналах з теми "Mass Spectrometric Study"

1

Nakajima, Kunihisa, Yasuo Arai, and Toshiyuki Yamashita. "Mass-spectrometric study of PuCd2." Journal of Physics and Chemistry of Solids 66, no. 2-4 (February 2005): 639–42. http://dx.doi.org/10.1016/j.jpcs.2004.06.072.

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2

Pleshkova, A. P., Yu A. Molodtsova, Yu A. Pozdnyakova, O. I. Shchegolikhina, M. V. Nevezhin, A. B. Zachernyuk, and A. M. Muzafarov. "Mass spectrometric study of organocyclosiloxanes." Russian Chemical Bulletin 56, no. 9 (September 2007): 1809–12. http://dx.doi.org/10.1007/s11172-007-0281-z.

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3

Miranda, René, Gabriel A. Arroyo, Luis Velasco, Francisco J. Pérez, and Francisco Delgado. "Mass spectrometric study of benzylidenecyanoacetamides." Rapid Communications in Mass Spectrometry 13, no. 1 (January 15, 1999): 33–38. http://dx.doi.org/10.1002/(sici)1097-0231(19990115)13:1<33::aid-rcm444>3.0.co;2-s.

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4

Zavilopulo, A. N., M. I. Mykyta, and O. B. Shpenik. "Mass-spectrometric study of coal gases." Technical Physics Letters 37, no. 8 (August 2011): 763–66. http://dx.doi.org/10.1134/s1063785011080293.

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5

Boltalina, Olga V., Nadezhda A. Galeva, Vitaliy Yu Markov, Andrey Ya Borschevskii, Igor D. Sorokin, Lev N. Sidorov, Arkadij Popovich, and Dusan Zigon. "A mass spectrometric study of C60F48." Mendeleev Communications 7, no. 5 (January 1997): 184–86. http://dx.doi.org/10.1070/mc1997v007n05abeh000809.

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6

Lozinskii, M. O., Yu A. Fialkov, V. S. Khomenko, L. I. Krasovskaya, T. A. Rasshinina, and V. V. Berenblit. "Mass spectrometric study of fluorinated ?-diketones." Theoretical and Experimental Chemistry 21, no. 2 (1985): 174–79. http://dx.doi.org/10.1007/bf00945192.

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7

Ruscic, B., and J. Berkowitz. "Photoionization mass spectrometric study of Si2H6." Journal of Chemical Physics 95, no. 4 (August 15, 1991): 2407–15. http://dx.doi.org/10.1063/1.460946.

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Ruscic, B., E. H. Appelman, and J. Berkowitz. "Photoionization mass spectrometric study of CH3OF." Journal of Chemical Physics 95, no. 11 (December 1991): 7957–61. http://dx.doi.org/10.1063/1.461325.

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9

Rogowska, Agnieszka, Małgorzata Szultka-Młyńska, Basem Kanawati, Paweł Pomastowski, Adrian Arendowski, Adrian Gołębiowski, Phillipe Schmitt-Kopplin, et al. "Advanced Mass Spectrometric Techniques for the Comprehensive Study of Synthesized Silicon-Based Silyl Organic Compounds: Identifying Fragmentation Pathways and Characterization." Materials 16, no. 9 (May 6, 2023): 3563. http://dx.doi.org/10.3390/ma16093563.

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The primary objective of this study was to synthesize and characterize novel silicon-based silyl organic compounds in order to gain a deeper understanding of their potential applications and interactions with other compounds. Four new artificial silyl organic compounds were successfully synthesized: 1-O-(Trimethylsilyl)-2,3,4,6-tetra-O-acetyl-β-d-glucopyranose (compound 1), 1-[(1,1-dimethylehtyl)diphenylsilyl]-1H-indole (compound 2), O-tert-butyldiphenylsilyl-(3-hydroxypropyl)oleate (compound 3), and 1-O-tert-Butyldiphenylsilyl-myo-inositol (compound 4). To thoroughly characterize these synthesized compounds, a combination of advanced mass spectrometric techniques was employed, including nanoparticle-assisted laser desorption/ionization mass spectrometry (NALDI-MS), Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR-MS), and triple quadrupole electrospray tandem mass spectrometry (QqQ ESI-MS/MS). These analytical methods enabled the accurate identification and characterization of the synthesized silyl organic compounds, providing valuable insights into their properties and potential applications. Furthermore, the electrospray ionization–Fourier transform ion cyclotron resonance–tandem mass spectrometry (ESI-FT-ICR-MS/MS) technique facilitated the proposal of fragmentation pathways for the ionized silyl organic compounds, contributing to a more comprehensive understanding of their behavior during mass spectrometric analysis. These findings suggest that mass spectrometric techniques offer a highly effective means of investigating and characterizing naturally occurring silicon-based silyl organic compounds, with potential implications for advancing research in various fields and applications in different industries.
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Masur, Monika, Hans-Fr Grützmacher, Helmut Münster, and Herbert Budzikiewicz. "Mass spectrometric fragmentation of the tautomers of 1,3-diketones. A gas chromatographic/mass spectrometric study." Organic Mass Spectrometry 22, no. 8 (August 1987): 493–500. http://dx.doi.org/10.1002/oms.1210220804.

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Дисертації з теми "Mass Spectrometric Study"

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Sarpola, A. (Arja). "The hydrolysis of aluminium, a mass spectrometric study." Doctoral thesis, University of Oulu, 2007. http://urn.fi/urn:isbn:9789514285578.

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Abstract This thesis is focused on the hydrolysis of aluminium, the polymerisation of the hydrolysis products, and how these can be monitored by mass spectrometric methods. The main aim of this research is to figure out how the aqueous speciation of aluminium changes as a function of pH (3.2–10), concentration (1–100 mM), reaction time (1s–14d), and counter anion (Cl-, SO42-, HCOO-). The method used was electrospray mass spectrometry. The results showed more variable speciation than those suggested earlier. The main species were Al2, Al3, and Al13, which were found in all of the conditions under scrutiny. The effect of pH was the most remarkable of all the parameters researched. The formation of large highly charged complexes was strongly dependent on it. Also the Al-concentration in the bulk solution had a clear effect on speciation: in dilute solutions there were more protonated ligands and less attached counter anions. This could mean that the species in more diluted bulk solutions had fewer different states of charge. Reaction time caused only minor changes to speciation in the initial pH: there was slightly more variation of a certain sized species in the aged solution. In elevated pH, the birth of important Al13 oligomers was time dependent. The effect of the counter anion was tremendous. In a chloride environment the speciation was rich and diversified. With sulphate the speciation was limited to solid- like compounds, and the variation of single-sized species was almost lacking. The formate as a counter anion caused most surprising results; the charge of aluminium in some studied complexes was lowered from the common 3+ to 1+. If this reaction also occurs in natural circumstances, the uses of aluminium formate would be wide. The results can be utilised in following the progress of dissolution, the mobilization and toxicity of aluminium in natural waters, as well as in water purification, and in reaching minimal chemical contamination levels in sludge as well as in aqueous waste.
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Cao, Yu. "Mass spectrometric study of alkali metal containing ions." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/27890.

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Lu, Mei. "Mass Spectrometric Study of Electrochemical and Organic Reaction Mechanisms." Ohio University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1437474195.

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Ju, Yue. "MASS SPECTROMETRIC STUDY OF PROTEIN AND PROTEIN LIGAND COMPLEXES." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1449219266.

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Leader, Ian Philip. "The study of personal care products using mass spectrometric techniques." Thesis, Royal Holloway, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420376.

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Evans, Catherine Sarah. "Mass spectrometric study for the analysis of quaternary ammonium pesticides." Thesis, University of York, 2001. http://etheses.whiterose.ac.uk/10815/.

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Cao, Jie. "Proton affinities of organic molecules by the kinetic method and a mass spectrometric study of immonium ions by tandem mass spectrometry." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/NQ66132.pdf.

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Zhang, Yuexiang. "Mass Spectrometric Study of Visible-Light Triggered Photoredox and Electrolytic Reaction Mechanisms." Ohio University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1527760864441781.

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Trikoupis, Moschoula Anna. "A mass spectrometric and computational study of hydrogen transfer reactions in radical cations /." *McMaster only, 2001.

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Ežerinskis, Žilvinas. "Study and reduction of the matrix effects in analytical ICP mass spectrometric measurements." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20111227_092301-36142.

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Measurements of the signals proportional to the radiation intensities or the number densities of the charged particles in argon ICP plasma are between the most popular methods of analysis of low concentrations of elements. But the relationships between the signals and the quantity of element in the sample are very complicated, depend on many physical phenomena and chemical reactions and must be calibrated by application of the reference materials. The accuracy of analysis depends on the level of agreement between the compositions of the RM matrices and the sample. As the exact matching is not possible the signal formation in the argon plasma and the effects of matrices on the analytical results should be studied. A method of calibration of the dependence of the sensitivity of the mass spectrometer on the ion masses and methods to determine the electron density and temperature from the mass spectrometric measurement data were proposed. Those aid estimation of the ion signals for analysis and assessment of the measurement uncertainty. The largest matrix effects usually are due to easy to ionize elements. The results show that those elements in argon plasma, depending on the ionization potentials and the structure of the atomic energy levels, differ in possibilities to increase the temperature, the temperature and density gradients, deviation from the local thermodynamic equilibrium, take part in charge transfer reaction between doubly ionized ions and argon atoms. The phenomena... [to full text]
Mažos elementų koncentracijos šiuo metu dažniausiai yra nustatomos fizikiniais metodais. Dažnai matuojamas spinduliuotės stipris arba elektringų dalelių skaičius. Tačiau ryšys tarp signalo dydžio ir elemento atomų kiekio yra labai sudėtingas daugelio fizikinių (garavimo ar dulkėjimo, disociacijos, atomų sužadinimo bei jonizacijos, srautų ir kt.) reiškinių bei cheminių reakcijų rezultatas. Jų išeiga kol kas pakankamu tikslumu negali būti numatyta. Todėl tokie matavimai yra tik santykiniai, t.y. jie kalibruojami etaloninėmis medžiagomis. Kalibravimo tikslumas priklauso nuo to kiek bendroji etaloninės medžiagos sudėtis artima tiriamajai medžiagai. Tai įmanoma padaryti tik tam tikru artutinumu. Todėl darbe tiriamos signalo formavimosi sąlygos indukcinėje argono plazmoje ir paskirų paveikiųjų elementų bei bendros bandinio sudėties įtaka bandinių analizinių masių spektrometrinių matavimų rezultatams. Pasiūlytas būdas masių spektrometro jautrio priklausomybei nuo jono masės kalibruoti bei būdai elektronų temperatūrai ir koncentracijai nustatyti iš jonų spektrometrinių matavimų. Tai leidžia įvertinti jonų signalus santykinei pusiaukiekybinei analizei, padeda nustatant matavimų neapibrėžtis. Nustatyta, kad labiausiai analizinį signalą argono plazmos šaltiniuose įtakojantys lengvai jonizuojami elementai, priklausomai nuo jų jonizacijos potencialų ir atominių energijos lygmenų išsidėstymo, gali padidinti plazmos temperatūrą ir gradientus bei nukrypimus nuo dalinės termodinaminės... [toliau žr. visą tekstą]
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Книги з теми "Mass Spectrometric Study"

1

A, Semenov G., and Beynon J. H, eds. Mass spectrometric study of the vaporization of oxide systems. Chichester: Wiley, 1994.

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2

Connor, Jonathan N. A mass-spectrometric study of uranium and radium behaviour in selected Irish river-estuarine systems. Dublin: University College Dublin, 1996.

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3

A, Fuselier Stephen, and United States. National Aeronautics and Space Administration., eds. A study of ion composition and dynamics at Comet Halley: Final report on contract NASW-4336. Sunnyvale, Calif: Lockheed Missles & Space Company, Inc., 1991.

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4

Dale, Vanessa Cordelia Meriel. The study of cyanobacterial toxins by means of tandem mass spectrometry. [s.l.]: typescript, 1994.

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5

Minor, Elizabeth C. Compositional heterogeneity within oceanic POM: A study using flow cytometry and mass spectrometry. Woods Hole, Mass: Massachusetts Institute of Technology, Woods Hole Oceanographic Institution, Joint Program in Oceanography/Applied Ocean Science and Engineering, 1998.

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6

Park, Chang Joon. Feasibility study of an electrothermal vaporizer/inductively coupled plasma/mass spectrometry system. [Downsview, Ont.]: [Institute for Aerospace Studies], 1985.

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7

Werner, Ens, Standing K. G, and Chernushevich I. V, eds. New methods for the study of biomolecular complexes. Dordrecht: Kluwer Academic Publishers, 1998.

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8

D, Bechtel R., and Ames Research Center, eds. A fast data acquisition system for the study of transient events by high repetition rate time-of-flight mass spectrometry. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1987.

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9

Saunders, William Hundley, and James M. Farrar. Techniques for the study of ion-molecule reactions. New York: Wiley, 1988.

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10

Fox, Harvey Stuart. A study of shallow implants in silicon by secondary ion mass spectrometry. [s.l.]: typescript, 1989.

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Частини книг з теми "Mass Spectrometric Study"

1

Nelson, R. W., J. R. Krone, K. A. Tubbs, and D. Dogruel. "Mass Spectrometric Methods for Biomolecular Characterization." In New Methods for the Study of Biomolecular Complexes, 225–38. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-015-9046-4_19.

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2

Ziemann, P. J., and A. W. Castleman. "Mass spectrometric study of MgO clusters produced by the gas aggregation technique." In Small Particles and Inorganic Clusters, 547–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76178-2_130.

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3

Del Prete, Eugenio, Diego d’Esposito, Maria Fiorella Mazzeo, Rosa Anna Siciliano, and Angelo Facchiano. "Comparative Analysis of MALDI-TOF Mass Spectrometric Data in Proteomics: A Case Study." In Computational Intelligence Methods for Bioinformatics and Biostatistics, 154–64. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44332-4_12.

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4

Hartmann, A., and K. G. Weil. "Equilibrium intermetallic particles in the gas phase—A Knudsen cell mass spectrometric study." In Small Particles and Inorganic Clusters, 11–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74913-1_3.

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5

Buesseler, Ken O. "An Automated Radiochemical Purification Procedure for the Mass Spectrometric Analyses of Thorium and Plutonium in Environmental Samples (Poster)." In Radionuclides in the Study of Marine Processes, 372. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3686-0_48.

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6

Sabatini, Francesca, and Ilaria Degano. "Analysis of Natural and Synthetic Organic Lakes and Pigments by Chromatographic and Mass Spectrometric Techniques." In Analytical Chemistry for the Study of Paintings and the Detection of Forgeries, 247–87. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-86865-9_9.

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7

Lin, M. C. "Multiphoton Ionization/Mass Spectrometric Study of OMCVD Mechanisms Under Single Gas-Surface Collision Conditions." In Mechanisms of Reactions of Organometallic Compounds with Surfaces, 191–204. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4899-2522-0_22.

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Rivera, J., F. Ventura, J. Caixach, J. Romero, and D. Fraisse. "FAB Mass Spectrometric Applications to the Study of Non Volatile Organic Compounds in Water." In Organic Micropollutants in the Aquatic Environment, 344–49. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3356-2_36.

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Rivera, J., F. Ventura, J. Caixach, A. Figueras, D. Fraisse, and V. Blondot. "FAB Mass Spectrometric Study of the Non Volatile Organic Fraction in Raw and Drinking Water Extracts." In Organic Micropollutants in the Aquatic Environment, 77–88. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4660-6_7.

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Eremenko, G. O., M. N. Larichev, I. O. Leypunsky, A. S. Orlichenko, V. G. Krasovsky, and N. K. Viculova. "Thermal Desorption Mass Spectrometric Study of the Structure of Silane Coupling Agent on Glass Fiber Surfaces." In MICC 90, 356–60. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3676-1_59.

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Тези доповідей конференцій з теми "Mass Spectrometric Study"

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RODIN, A. M., V. BELOZEROV, E. V. CHERNYSHEVA, G. G. CHUBARYAN, A. V. GULYAEV, A. V. GULYAEVA, S. N. DMITRIEV, et al. "MASS-SPECTROMETRIC METHOD TO STUDY THE PROPERTIES OF HEAVY NUCLEI." In Proceedings of the International Symposium. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814508865_0046.

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2

Long, S. Randolph, and Chih-Cong Chou. "Laser Desorption/Ionization Mass Spectrometry of Biological Materials." In Laser Applications to Chemical Analysis. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/laca.1992.pd5.

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The detection, identification, and analysis of biological materials in "real time" is of significant current interest in a number of fields. As with chemical materials, mass spectrometry holds great promise for such applications. We are presently engaged in a study of approaches to mass spectrometric analysis of biological materials, utilizing laser desorption/vaporization/ionization in conjunction with Fourier transform mass spectrometry. In this presentation, we focus on laser desorption/ionization applied to peptides. Although laser desorption can generate mass spectra with reasonably abundant molecular ion for relatively small peptides in the pure state, use of matrix-enhanced desorption techniques facilitates greatly the generation of molecular ion, We demonstrate this using examples of 248 nm laser desorption mass spectra of polypeptides. The nature of the substrate from which ions are desorbed is found also to be an important factor in the desorption/fragmentation processes through a study of a range of metallic supports. Thermal conductivity of the substrate appears to be the key parameter.
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3

Bulgakov, Alexander V. "Mass spectrometric study of gas-phase oxidation reactions during laser ablation of YBaCuO." In Photonics West '95, edited by Jan J. Dubowski. SPIE, 1995. http://dx.doi.org/10.1117/12.206263.

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4

Misaizu, Fuminori, M. Abdul Latif, Jenna W. J. Wu, Ryoichi Moriyama, Motoyoshi Nakano, Kiichirou Koyasu, and Keijiro Ohshimo. "Structures of stable oxide cluster ions of first-row late transition metals: An ion mobility-mass spectrometric study." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING 2019 (ICCMSE-2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5137928.

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Ivanova, Bojidarka, and Michael Spiteller. "Stochastic Dynamics Mass Spectrometric 3D Structural Analysis of N-Glycans of Fetal Bovine Serum—An Experimental and Theoretical Study." In ECMC 2022. Basel Switzerland: MDPI, 2022. http://dx.doi.org/10.3390/ecmc2022-12870.

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Sausa, Rosario C., Stephen L. Howard, and Andrzej W. Miziolek. "Mass spectrometric and laser-based studies of H2/N2O and H2/NO2 low pressure flames." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.tuoo4.

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A major new research facility consisting of a low-pressure burner apparatus has been constructed at the Ballistic Research Laboratory to study the detailed flame chemistry relevant to the gaseous flames of burning propellants. Experimental results provide temperature and species profiles that are necessary to validate flame models being developed to simulate propellant combustion. This facility is an integrated apparatus that consists of various diagnostic tools which include laser spectroscopy, Fourier transform infrared spectroscopy, and molecular beam triple quadrupole mass spectrometry. In this paper, we report on spatially resolved temperature and species profiles obtained in premixed H2/N2O/Ar and H2/NO2/Ar low-pressure flames (20 Torr). The temperature measurements were obtained by laser-induced fluorescence (LIF) of OH radical employing its (A2Σ+–X2Π) (1,0) band near 281 nm. Temperatures were abstracted from a Boltzmann energy simulation and compared with those obtained with Pt/Pt-Rh(10%) thermocouples coated with noncatalytic beryllium/yttrium oxide. Species profiles include H, H2, O, OH, N2O, NO, NO2, O2, H2O and NO2. Profiles for radical species such as OH and NO are compared with those obtained with LIF and/or resonant-enhanced multiphoton ionization to ensure that there are no systematic errors in a given technique.
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7

Chatterjee, Piyali, and Tapas Chakraborty. "ISOMERIC DISTRIBUTION OF FLUORESCENT LASER DYE DCM IN METHANOL AND IN GAS PHASE: AN ION MOBILITY MASS SPECTROMETRIC STUDY IN COMBINATION WITH HIGH PERFORMANCE LIQUID CHROMATOGRAPHY." In 2020 International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2020. http://dx.doi.org/10.15278/isms.2020.wi07.

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8

Mayer, T. M., M. S. Ameen, E. L. Barish, D. J. Vitkavage, and T. Mizutani. "Ion Enhanced Processes in Etching of Silicon." In Microphysics of Surfaces, Beams, and Adsorbates. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/msba.1985.ma1.

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A case study of the ion-assisted etching of silicon by chlorine is presented as a prototype of a class of ion-assisted etching processes. In contrast to the more well studied Si-F system, and other F atom etching reactions, Cl etching processes are much more dependent on energetic ion impact of the surface. We will examine aspects of chlorine adsorption to silicon, sputtering of adsorbed chlorine atoms, incorporation fo chlorine into the silicon crystal lattice, and formation and removal of SiClx etch products. In-situ SIMS, ISS, and modulated beam mass spectrometric measurements, and post etch RBS and XPS analysis of the altered surface are used to examine the dynamics of the etching process and the state of the altered surface layer produced by ion bombardment.
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9

Sperka, Jirí, Lenka Zajícková, Ondrej Jasek, Annapurna Pamreddy, Josef Havel, Jan Schäfer, and Rüdiger Foest. "Growth of Carbon Materials on Gold Substrate by Plasma Enhanced CVD." In 13th International Conference on Plasma Surface Engineering September 10 - 14, 2012, in Garmisch-Partenkirchen, Germany. Linköping University Electronic Press, 2013. http://dx.doi.org/10.3384/wcc2.395-398.

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Carbon is a versatile building element of many interesting materials that have already find practical applications in the form of thin films (diamond, DLC) or potential applications in the form of nanostructures (fullerenes, carbon nanotubes, graphene). For electronics or sensors, it is important to provide a very good contact to the functional structures. Gold is the best choice taking into account its inertness, i. e. oxidation resistance. From this point of view the investigation of the growth of carbon materials on gold is important. The carbon-gold interaction plays an important role in different fields of electronics such as atomic force microscope lithography, bioelectronics or semiconductor industry. Research in this field is developing rapidly e. g. the modification of interface structure and contact resistance between a CNT and gold electrode was recently modified by Joule melting and amorphous C-Au nanocomposite thin films were deposited by dc magnetron co-sputtering. Herein we report on the preparation and characterization of the carbon nanocomposites which were synthesized on gold substrate from methane precursor using low pressure thermal chemical vapor deposition technique and two different plasma-enhanced chemical vapor deposition (PECVD) methods. The former one PECVD proceeded in microwave reactor at low pressure and the latter one was carried out using non-thermal atmospheric pressure plasma jet (ntAPPJ). Presented approach is based on the deposition of carbon material on gold instead of the deposition of gold on carbon material which is more common. Surprisingly, we didnt find similar studies dealing with the synthesis of carbon nanocomposites using direct deposition from hydrocarbon precursor on the gold thin _lm. The surface morphology was studied by high resolution scanning electron microscopy (HRSEM). Depth-structure profile including the film thickness was observed using the focused ion beam ablation. Energy-dispersive X-ray spectroscopy (EDX), infrared reflection absorption spectroscopy (IRRAS) and laser desorption-ionization time of flight mass spectrometry (LDI-TOF MS) were used to study the chemical properties. Gold and carbon related clusters were observed by means of mass spectrometric study.
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10

Duckworth, Chloë N., Julian Henderson, and Frank J. M. Rutten. "Time of flight secondary ion mass spectrometry examination of ancient and historical opaque glasses." In Integrated Approaches to the Study of Historical Glass - IAS12, edited by Hugo Thienpont, Wendy Meulebroeck, Karin Nys, and Dirk Vanclooster. SPIE, 2012. http://dx.doi.org/10.1117/12.979791.

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Звіти організацій з теми "Mass Spectrometric Study"

1

Sloan, Jr., Richard Charles. Development and application of a mass spectrometric system to study volatile components of fluid inclusions. Office of Scientific and Technical Information (OSTI), June 1992. http://dx.doi.org/10.2172/10152018.

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2

Sloan, R. C. Jr. Development and application of a mass spectrometric system to study volatile components of fluid inclusions. Office of Scientific and Technical Information (OSTI), June 1992. http://dx.doi.org/10.2172/5148689.

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3

Jun, Ji Hyun. Development of high-spatial and high-mass resolution mass spectrometric imaging (MSI) and its application to the study of small metabolites and endogenous molecules of plants. Office of Scientific and Technical Information (OSTI), January 2012. http://dx.doi.org/10.2172/1048509.

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4

MARTÍNEZ LEAL, LAURA DE LA CRUZ, and Carlos Romá Mateo. Preliminary proteomics analysis of the potential use of HMGB1 as sepsis biomarker. Fundación Avanza, May 2023. http://dx.doi.org/10.60096/fundacionavanza/2312022.

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With this study, we evaluate the first steps into the development of a new possible biomarker for sepsis disease consisting in detection of HGMB1 protein in plasma, using mass spectrometry (MRM-MS), that could improve sepsis clinical management.
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5

Xiong, X., J. M. R. Hutchinson, J. D. Fassett, T. B. Lucatorto, F. J. Schima, W. A. Bowman, and K. R. Hess. Study of laser resonance ionization mass spectrometry using a glow discharge source. Office of Scientific and Technical Information (OSTI), September 1994. http://dx.doi.org/10.2172/10180748.

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6

Feenstra, Adam D. Technological Development of High-Performance MALDI Mass Spectrometry Imaging for the Study of Metabolic Biology. Office of Scientific and Technical Information (OSTI), December 2016. http://dx.doi.org/10.2172/1409181.

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7

Visser, A., M. Singleton, D. Hillegonds, C. Velsko, J. Moran, and B. Esser. California GAMA Special Study: A Noble Gas Membrane Inlet Mass Spectrometry (NG-MIMS) system for water and gas samples. Office of Scientific and Technical Information (OSTI), April 2012. http://dx.doi.org/10.2172/1089999.

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8

Kontak, D. J., S. Paradis, Z. Waller, and M. Fayek. Petrographic, fluid inclusion, and secondary ion mass spectrometry stable isotopic (O, S) study of Mississippi Valley-type mineralization in British Columbia and Alberta. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/327994.

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A comprehensive study of Mississippi Valley-type base-metal deposits across the Canadian Cordillera was done to compare and contrast their features. Extensive dissolution of host rocks is followed by multiple generations of dolomite cements from early, low-temperature, fine-grained to coarser, higher temperature types that overlap with Zn-Pb sulfide minerals; late-stage calcite occludes residual porosity. Dolomite is generally chemically stoichiometric, but ore-stage types are often rich in Fe (&amp;lt;1.3 weight per cent FeO) with small sphalerite inclusions. Sphalerite-hosted fluid inclusions record ranges for homogenization temperatures (77-214°C) and fluid salinity (1-28 weight per cent equiv. NaCl±CaCl2). These data suggest fluid mixing with no single fluid type related to all sulfide mineralization. In situ secondary ion mass spectrometry (SIMS) generated delta-18OVSMOW values for carbonate minerals (13-33 permille) reflect dolomite and calcite formation involving several fluids (seawater, basinal, meteoric) over a large temperature range at varying fluid-rock ratios. Sphalerite and pyrite SIMS delta-34SVCDT values vary (8-33 permille) but in single settings have small ranges (&amp;lt;2-3 permille) that suggest sulfur was reduced via thermochemical sulfate reduction from homogeneous sulfur reservoirs. Collectively, the data implicate several fluids in the mineralizing process and suggest mixing of a sulfur-poor, metal-bearing fluid with a metal-poor, sulfide-bearing fluid.
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9

Evans, Jr, and Charles A. Development and Application of SIMS (Secondary Ion Mass Spectrometry) Characterization Techniques for the Study of Impurities and Impurity Motion in (HgCd)Te and CdTe. Fort Belvoir, VA: Defense Technical Information Center, September 1985. http://dx.doi.org/10.21236/ada163047.

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10

Tan, Haisong. Kinetics and mechanism of the oxidation of alkenes and silanes by hydrogen peroxide catalyzed by methylrhenium trioxide (MTO) and a novel application of electrospray mass spectrometry to study the hydrolysis of MTO. Office of Scientific and Technical Information (OSTI), November 1999. http://dx.doi.org/10.2172/754781.

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