Academic literature on the topic 'Compact mass spectrometer'

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Journal articles on the topic "Compact mass spectrometer"

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Zaporozhets, O. V., V. F. Shkurdoda, O. N. Peregudov, and V. K. Zaporozhets. "Compact mass spectrometer on permanent magnets." Instruments and Experimental Techniques 53, no. 5 (2010): 718–22. http://dx.doi.org/10.1134/s0020441210050180.

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Liebl, H. "A compact double-focusing mass spectrometer." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 258, no. 3 (1987): 323–26. http://dx.doi.org/10.1016/0168-9002(87)90912-0.

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Ioanoviciu, D. "Oversimplified, compact double focusing mass spectrometer geometries." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 363, no. 1-2 (1995): 406–10. http://dx.doi.org/10.1016/0168-9002(95)00164-6.

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Meng, Dong, Cheng Yongjun, Sun Wenjun, et al. "Newly developed compact magnetic sector mass spectrometer." Measurement Science and Technology 28, no. 12 (2017): 125901. http://dx.doi.org/10.1088/1361-6501/aa8ba3.

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Kuleshov, D. O., V. T. Kogan, Yu V. Chichagov, et al. "Compact static mass spectrometer for medical diagnostics." Journal of Physics: Conference Series 1400 (November 2019): 033015. http://dx.doi.org/10.1088/1742-6596/1400/3/033015.

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Bekker-Jensen, Dorte B., Ana Martínez-Val, Sophia Steigerwald, et al. "A Compact Quadrupole-Orbitrap Mass Spectrometer with FAIMS Interface Improves Proteome Coverage in Short LC Gradients." Molecular & Cellular Proteomics 19, no. 4 (2020): 716–29. http://dx.doi.org/10.1074/mcp.tir119.001906.

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State-of-the-art proteomics-grade mass spectrometers can measure peptide precursors and their fragments with ppm mass accuracy at sequencing speeds of tens of peptides per second with attomolar sensitivity. Here we describe a compact and robust quadrupole-orbitrap mass spectrometer equipped with a front-end High Field Asymmetric Waveform Ion Mobility Spectrometry (FAIMS) Interface. The performance of the Orbitrap Exploris 480 mass spectrometer is evaluated in data-dependent acquisition (DDA) and data-independent acquisition (DIA) modes in combination with FAIMS. We demonstrate that different c
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Mous, Dirk J. W., Wim Fokker, Rein Van Den Broek, Ron Koopmans, Christopher Bronk Ramsey, and R. E. M. Hedges. "An Ion Source for the HVEE 14C Isotope Ratio Mass Spectrometer for Biomedical Applications." Radiocarbon 40, no. 1 (1997): 283–88. http://dx.doi.org/10.1017/s0033822200018154.

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During the past two decades, accelerator mass spectrometry (AMS) has allowed major developments in many areas of geosciences and archaeology. In the near future, AMS should realize a similar potential in the field of biomedical research, leading ultimately to clinical applications. For such applications, the required instrument differs significantly from that presently used in the field of 14C dating. Whereas the needed accuracy and sensitivity is more than an order of magnitude less demanding than that for present state-of-the-art 14C instrumentation, the widespread acceptance of 14C AMS in b
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Ioanoviciu, Damaschin, and Cornel Cuna. "Compact Wien filter/magnetic sector double-focusing mass spectrometer." Rapid Communications in Mass Spectrometry 9, no. 6 (1995): 512–14. http://dx.doi.org/10.1002/rcm.1290090608.

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Tuszewski, M. "A compact mass spectrometer for plasma discharge ion analysis." Review of Scientific Instruments 67, no. 6 (1996): 2215–20. http://dx.doi.org/10.1063/1.1147039.

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Mous, D. J. W., K. H. Purser, W. Fokker, R. van den Broek, and R. B. Koopmans. "A compact 14C Isotope Ratio Mass Spectrometer for biomedical applications." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 123, no. 1-4 (1997): 159–62. http://dx.doi.org/10.1016/s0168-583x(96)00423-5.

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Dissertations / Theses on the topic "Compact mass spectrometer"

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Verruno, Marina. "Investigation of the enhancement of the performance of the SIMS instruments." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS400/document.

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Résumé : Les instruments de spectrométrie de masse à ionisation secondaire (SIMS) doivent être améliorés afin de satisfaire les exigences et tendances dans de nombreux domaines qui demandent des outils d'analyse pouvant cartographier les échantillons à la fois avec une excellente résolution et une haute sensibilité chimique, mais également avec des temps d’analyse plus court. Les objectifs de cette thèse sont : rechercher à améliorer la résolution en masse des spectromètres de masse à double focalisation en remplaçant le secteur sphérique standard par une nouvelle géométrie sphéroïde ayant de
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Moura, Dayanne Chianca de. "Compara??o entre metodologias de extra??o de HPAs em ?gua utilizando um planejamento fatorial com quantifica??o no CG/EM." Universidade Federal do Rio Grande do Norte, 2009. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17627.

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Made available in DSpace on 2014-12-17T15:41:49Z (GMT). No. of bitstreams: 1 DayanneCM_DISSERT.pdf: 2858760 bytes, checksum: 79d38db851fa949cbc454e621806fe1c (MD5) Previous issue date: 2009-12-18<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>PAHs (Polycyclic Aromatic Hydrocarbons) are a group of organic substances which receive considerable attention because of the carcinogenic and mutagenic properties of some of them. It is therefore important to determine the PAHs in different environmental matrices. Several studies have shown the use of gas chromatography coupled to ma
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Book chapters on the topic "Compact mass spectrometer"

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Kaneko, Tadao, and Masamoto Takatsuji. "DEVELOPMENT OF A COMPACT MASS SPECTROMETER FOR ANALYSIS OF GASES DURING PLANT METABOLISM." In Measurement Techniques in Plant Science. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-12-330585-5.50020-7.

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Fisher, David. "Helium." In Much Ado about (Practically) Nothing. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195393965.003.0007.

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Today we learn at such a young age about the periodic properties of the elements and their atomic structure that it seems as if we grew up with the knowledge, and that everyone must always have known such basic, simple stuff. But till nearly the end of the nineteenth century no one even suspected that such things as the noble gases, with their filled electronic orbits, might exist. Helium was the first one we at Brookhaven looked for in our mass spectrometer, and the first one discovered. This was in 1868, but the discovery was ignored and the discoverer ridiculed. He didn’t care; he had other things on his mind. His name was Pierre Jules César Janssen, and he was a French astronomer who sailed to India that year in order to take advantage of a predicted solar eclipse. With the overwhelming brightness of the sun’s disk blocked by the moon, he hoped to observe the outer layers using the newly discovered technique of absorption spectroscopy. Nobody at the time understood why, but it had been observed that when a bright light shone through a gas, the chemical elements in the gas absorbed the light at specific wavelengths. The resulting dark lines in the emission spectrum of the light were like fingerprints, for it had been found in chemical laboratories that when an element was heated it emitted light at the same wavelengths it would absorb when light from an outside source was shined on it. So the way the technique worked, Janssen reasoned, was that he could measure the wavelengths of the solar absorbed lines and compare them with lines emitted in chemical laboratories where different elements were routinely studied, thus identifying the gases present in the sun. On August 18 of that year the moon moved properly into position, and Janssen’s spectroscope captured the dark absorption lines of the gases surrounding the sun. It was an exciting moment, as for the first time the old riddle could be answered: “Twinkle twinkle, little star, how I wonder what you are.” The answer now was clear: the sun, a typical star, was made overwhelmingly of hydrogen. But to Janssen’s surprise there was one additional and annoying line, with a wavelength of 587.49 nanometers.
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Abdi, Fahmida, Ann M. Simpson, Sara Lal, and Kaneez Fatima Shad. "Early Predictive Biomarkers for Hypertension Using Human Fetal Astrocytes." In Erythrocyte - A Peripheral Biomarker For Infection and Inflammation. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98561.

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Hypertension is a major risk factor for cardiovascular and cerebrovascular diseases, causing high numbers of deaths and /or disabilities worldwide. Previous studies have reported numerous biomolecules, such as, triglycerides and fibrinogen as biomarkers of hypertension (HTN), but none of these biomolecules could be considered as ‘true’ predictive biomarkers as they were produced after the establishment of HTN. Therefore, there is an urgent need for identifying and monitoring molecules that are linked to early pre-HTN stages, that is, prior to the onset of HTN. Astrocytes are the most abundant cells in the nervous system and through their long processes, astrocytes can communicate with both neuronal and non-neuronal cells such as endothelial cells lining blood vessels. Thus, any biochemical changes in astrocytes will affect both blood vessels and neurons. We are using human fetal astrocytes (HFAs) to investigate the molecules which may possibly act as early predictive biomarkers for hypertension. Astrocytic processes are mostly supported by the intermediate filaments, an example is the glial fibrillary acidic protein (GFAP) which is a type III intermediate filament. Elevated GFAP levels are being considered as a marker of astroglial injury, indicating the conversion of non-reactive (A2) into reactive (A1) astrocytes. Our initial immunohistochemistry studies using anti-GFAP antibodies on astrocytes from spontaneous hypertensive rats (SHRs) and their normal counter parts (WKY) rats showed a similar profile to that of reactive (A1) and non-reactive (A2) HFAs, respectively. Numerous studies point to a significant role of calcium ion channel proteins in hypertension, and calcium channel blockers such as Amlodipine (Norvasc) Diltiazem (Cardizem) are commonly used as antihypertensive drugs. By using liquid chromatography–tandem mass spectrometry (LC–MS/MS) we observed that reactive (A1) astrocytes, contain more calcium-activated proteins such as calpain, calpastatin, cathepsin and mitogen activated protein kinase (MAPK) as compare to normal (A2) HFAs, suggesting their possible link to the future onset of HTN. Hence these proteins could be considered as potential early predictive biomarkers of HTN.
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Conference papers on the topic "Compact mass spectrometer"

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Mall, Urs A., Andreas Nathues, and Horst Uwe Keller. "SIR: a flexible, compact, low-mass, near-infrared spectrometer." In Remote Sensing, edited by Roland Meynart, Steven P. Neeck, Haruhisa Shimoda, Joan B. Lurie, and Michelle L. Aten. SPIE, 2004. http://dx.doi.org/10.1117/12.511063.

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McMurtry, Gary M., John C. Wiltshire, and Arnaud Bossuyt. "A Deep-Ocean Mass Spectrometer to Monitor Hydrocarbon Seeps and Pipelines." In ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2005. http://dx.doi.org/10.1115/omae2005-67146.

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New developments in instrumentation for ocean environmental engineering are allowing unprecedented levels of trace contaminant measurement in the deep ocean. With funding from the U.S. National Science Foundation (NSF), our engineering design team constructed a new mass spectrometer-based in situ analysis system for work in the deep ocean environment over prolonged deployment periods. Our design goals were a depth capability of up to 4,000 m water depth (400 bars hydrostatic pressure) and autonomous operation for periods of up to six months to a year, depending upon the type of external batter
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van Amerom, Friso, Xiang Li, and William B. Brinckerhoff. "Development of a compact ion trap - time-of-flight mass spectrometer for space missions." In 2021 IEEE Aerospace Conference. IEEE, 2021. http://dx.doi.org/10.1109/aero50100.2021.9438469.

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Holz, Olaf, Thierry Zesiger, Bianca Lavae-Mokhtari, Sven Schuchardt, Norbert Krug, and Jens M. Hohlfeld. "Analysis Of Volatile Organic Compounds In Exhaled Air With A Novel Compact Mass Spectrometer (Smart-Nose®)." In American Thoracic Society 2011 International Conference, May 13-18, 2011 • Denver Colorado. American Thoracic Society, 2011. http://dx.doi.org/10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a5572.

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Getty, Stephanie A., William B. Brinckerhoff, Xiang Li, et al. "A compact tandem two-step laser time-of-flight mass spectrometer for in situ analysis of non-volatile organics on planetary surfaces." In 2014 IEEE Aerospace Conference. IEEE, 2014. http://dx.doi.org/10.1109/aero.2014.6836334.

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Frink, Kaiem, Linda Hayden, and Malcom LeCompte. "Compact reconnaissance imaging spectrometer for MARS (CRISM)." In IGARSS 2011 - 2011 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2011. http://dx.doi.org/10.1109/igarss.2011.6050128.

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Blebea, Nicoleta Mirela, and Simona Negreș. "METHODS FOR QUANTIFICATION OF THE MAIN CANNABINOIDS IN CBD OIL." In GEOLINKS Conference Proceedings. Saima Consult Ltd, 2021. http://dx.doi.org/10.32008/geolinks2021/b1/v3/13.

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Cannabidiol (CBD) is an alkaloid present in Cannabis sativa, together with tetrahydrocannabinol (THC) and more than 120 other substances belonging to a group of compounds named cannabinoids. Due to the continuous increased usage of CBD oils, it became necessary to be developed efficient methods for the identification of its compounds and especially for the characterization of the cannabinoids from the commercial specimens. Cannabinoids may be detected by many and different analytical methods, including immunoassays (EMIT®, Elisa, fluorescent polarization, radioimmunotest), techniques of flat c
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Fasold, Melissa J. "Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) Thermal Design." In International Conference On Environmental Systems. SAE International, 2003. http://dx.doi.org/10.4271/2003-01-2638.

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Murchie, Scott L., Raymond E. Arvidson, Peter Bedini, et al. "CRISM (Compact Reconnaissance Imaging Spectrometer for Mars) on MRO (Mars Reconnaissance Orbiter)." In Fourth International Asia-Pacific Environmental Remote Sensing Symposium 2004: Remote Sensing of the Atmosphere, Ocean, Environment, and Space, edited by Carl A. Nardell, Paul G. Lucey, Jeng-Hwa Yee, and James B. Garvin. SPIE, 2004. http://dx.doi.org/10.1117/12.578976.

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Ge, Jian, Deqing Ren, Jonathan I. Lunine, Robert H. Brown, Roger V. Yelle, and Laurence A. Soderblom. "Compact high-resolution 3D imaging spectrometer for discovering oases on Mars." In Astronomical Telescopes and Instrumentation, edited by Richard B. Hoover, Alexei Y. Rozanov, and Roland R. Paepe. SPIE, 2003. http://dx.doi.org/10.1117/12.457334.

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Reports on the topic "Compact mass spectrometer"

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Young, A. T., D. J. Clark, W. B. Kunkel, K. N. Leung, and C. Y. Li. A compact permanent magnet cyclotrino for accelerator mass spectrometry. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/88768.

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