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Direct analysis in real time

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200: 1895: 3569: 1850: 1810: 3593: 3581: 1927:, drugs, inks and sexual assault evidence. In clinical and pharmaceutical sector, DART is utilized for body fluid analysis such as blood, plasma, urine etc. and study traditional medicines. Also DART can detect composition in medicine in a tablet form as per there is no need for sample preparation such as crushing or extracting. 1842:
contamination and protect the high-vacuum region. Charged species (ions) are guided to the second orifice through an intermediate cylindrical electrode ("ring lens"), but neutral molecules travel in a straight pathway and are thus blocked from entering the ion guide. The neutral contamination is then removed by the pump.
88:(DESI) ion source, the initial DART publication did not appear until shortly after the DESI publication, and both ion sources were publicly introduced in back-to-back presentations by R. G. Cooks and R. B. Cody at the January 2005 ASMS Sanibel Conference. DESI and DART are considered as pioneer techniques in the field of 1841:
atmospheric pressure interface used for DART, ions are directed to the ion guide through (outer) і and (inner) іі skimmer orifices by applying a slight potential difference between them: orifice і : 20 V and orifice іі : 5 V. The alignment of the two orifices is staggered to trap neutral
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The DART source can be operated in surface desorption mode or transmission mode. In the ordinary surface desorption mode, the sample is positioned in a way, which enables the reactive DART reagent ion stream to flow on to the surface while allowing the flow of desorbed analyte ions into interface.
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DART resulted from conversations between Laramee and Cody about the development of an atmospheric pressure ion source to replace the radioactive sources in handheld chemical weapons detectors.DART was developed in late 2002 to early 2003 by Cody and Laramee as a new atmospheric pressure ionization
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region. The DART gas can be heated from room temperature (RT) to 550 Â°C to facilitate desorption of analyte molecules. Heating is optional but may be necessary depending on the surface or chemical being analyzed. The heated stream of gaseous metastable species passes through a porous exit
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Use of DART compared to traditional methods minimizes sample amount, sample preparation, eliminates extraction steps, decreases limit of detection and analysis time. Also it provides a broad range sensitivity, simultaneous determination of multi-drug analytes and sufficient mass accuracy for
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In positive ion mode, DART produces predominantly protonated molecules and in negative-ion mode deprotonated molecules . Both negative and positive modes of DART provides relatively simple mass spectra. Depending on the type of analyte, other species may be formed, such as multiple charged
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can occur for species desorbed directly from surfaces such as bank notes, tablets, bodily fluids (blood, saliva and urine), polymers, glass, plant leaves, fruits & vegetables, clothing, and living organisms. DART is applied for rapid analysis of a wide variety of samples at
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to 1200. DART-MS is capable of semi-quantitative and quantitative analysis. To accelerate sample release from the surface, the DART gas stream is usually heated to temperature in the range 100-500 Â°C and this operation can be employed for temperature-dependent analysis.
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Therefore, this mode requires that the gas stream grazes the sample surface and does not block gas flow to the mass spectrometer sampling orifice. In contrast, transmission mode DART (tm-DART) uses a custom-made sample holder and introduces the sample at a fixed geometry.
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DART can be used for the analysis of solid, liquid or gaseous samples. Liquids are typically analyzed by dipping an object (such as a glass rod) into the liquid sample and then presenting it to the DART ion source. Vapors are introduced directly into the DART gas stream.
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The negative ion sensitivity of DART gases varies with the efficiency in forming electrons by Penning ionization, which means that the negative ion sensitivity increases with the internal energy of the metastable species, for example nitrogenᐸneonᐸhelium.
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The DART ion source is a kind of gas-phase ionization, and it requires some sort of volatility of the analyte to support thermally assisted desorption of analyte ions. This limits the size range of the molecules that can be analyzed by DART i.e.
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With the aid of DART, exact mass measurements can be done rapidly with high-resolution mass spectrometers. DART mass spectrometry has been used in pharmaceutical applications, forensic studies, quality control, and environmental studies.
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of nitrogen, atmospheric water and other gaseous species. Although some compounds can be ionized directly by Penning ionization, the most common positive-ion formation mechanism for DART involves ionization of atmospheric water.
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from the gas stream to prevent ion/electron recombination and ion loss. If the exit electrode is biased to a negative potential, electrons can be generated directly from the electrode material by surface Penning ionization. An
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Maleknia, Simin; Vail, Teresa; Cody, Robert; Sparkman, David; Bell, Tina; Adams, Mark (2009). "Temperature-dependent release of volatile organic compounds of eucalypts by direct analysis in real time (DART) mass spectrometry".
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condition. Therefore, ions entering the mass spectrometer, first go through a source - to - analyzer interface (vacuum interface), which was designed in order to bridge the atmospheric pressure region to the mass spectrometer
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of vegetable oils and many other food safety analysis. In the manufacturing industry, to determine the deposition and release of a fragrance on surfaces such as fabric and hair and dyes in textiles, DART is often utilized.
776: 649: 92:, since they operate in the open laboratory environment and do not require sample pretreatment. In contrast to the liquid spray used by DESI, the ionizing gas from the DART ion source contains a dry stream containing 421: 533: 316: 1585: 1145: 1232: 1717: 1054: 900: 426:
Although the exact ion formation mechanism is not clear, water can be ionized directly by Penning ionization. Another proposal is that water is ionized by the same mechanism that has been proposed for
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electrode that is biased to a positive or negative potential in the range 0 to 530V. When biased to a positive potential, the exit electrode acts to remove electrons and negative ions formed by
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contains and short-lived energetic species including electrons, ions, and excimers. Ion/electron recombination leads to the formation of long-lived excited-state neutral atoms or molecules (
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and in the open laboratory environment. It does not need a specific sample preparation, so it can be used for the analysis of solid, liquid and gaseous samples in their native state.
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Ifa, Demian R.; Wu, Chunping; Ouyang, Zheng; Cooks, R. Graham (2010-03-22). "Desorption electrospray ionization and other ambient ionization methods: current progress and preview".
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Chernetsova, Elena S.; Morlock, Gertrud E. (2011-09-01). "Determination of drugs and drug-like compounds in different samples with direct analysis in real time mass spectrometry".
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In negative-ion mode, the potential of the exit grid electrode can be set to negative potentials. Penning electrons undergo electron capture with atmospheric oxygen to produce O
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Badu-Tawiah, Abraham K.; Eberlin, Livia S.; Ouyang, Zheng; Cooks, R. Graham (2013-04-01). "Chemical Aspects of the Extractive Methods of Ambient Ionization Mass Spectrometry".
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Li, Li-Ping; Feng, Bao-Sheng; Yang, Jian-Wang; Chang, Cui-Lan; Bai, Yu; Liu, Hu-Wei (2013-05-07). "Applications of ambient mass spectrometry in high-throughput screening".
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DART is being applied in many fields, including the fragrance industry, pharmaceutical industry, foods and spices, forensic science and health, materials analysis, etc.
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molecules. The ions generated from atmospheric or dopant molecules undergo ion-molecule reactions with the sample molecules to produce analyte ions. Analytes with low
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Pavlovich, Matthew J.; Musselman, Brian; Hall, Adam B. (March 2018). "Direct analysis in real time-Mass spectrometry (DART-MS) in forensic and security applications".
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Hajslova, Jana; Cajka, Tomas; Vaclavik, Lukas (2011). "Challenging applications offered by direct analysis in real time (DART) in food-quality and safety analysis".
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Weston, Daniel J. (2010-03-22). "Ambient ionization mass spectrometry: current understanding of mechanistic theory; analytical performance and application areas".
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Harris, Glenn A.; Nyadong, Leonard; Fernandez, Facundo M. (2008-09-09). "Recent developments in ambient ionization techniques for analytical mass spectrometry".
2446:; Lalli, Priscila M.; Benassi, Mario; Cunha, Ildenize B. S.; Eberlin, Marcos N. (2010-09-01). "Ambient mass spectrometry: bringing MS into the "real world"". 2788:
Mäkinen, Marko; Nousiainen, Marjaana; Sillanpää, Mika (2011-09-01). "Ion spectrometric detection technologies for ultra-traces of explosives: A review".
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Smoluch, Marek; Mielczarek, Przemyslaw; Silberring, Jerzy (2016-01-01). "Plasma-based ambient ionization mass spectrometry in bioanalytical sciences".
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Chernetsova, Elena S.; Morlock, Gertrud E. (2011). "Ambient desorption ionization mass spectrometry (DART, DESI) and its bioanalytical applications".
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Cody, Robert B. (2008-12-30). "Observation of Molecular Ions and Analysis of Nonpolar Compounds with the Direct Analysis in Real Time Ion Source".
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Fernandez, Facundo M.; Green, Michael D.; Newton, Paul N. (2008). "Prevalence and Detection of Counterfeit Pharmaceuticals: A Mini Review".
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R.B. Cody; J.A. LaramĂŠe; H.D. Durst (2005). "Versatile New Ion Source for the Analysis of Materials in Open Air under Ambient Conditions".
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DART is used in environmental analysis. For example, analysis of organic UV filters in water, contaminants in soil, petroleum products and
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Metastable argon atoms do not have enough internal energy to ionize water, so DART ionization with argon gas requires the use of a dopant.
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Javanshad, R.; Venter, A. R. (2017-08-31). "Ambient ionization mass spectrometry: real-time, proximal sample processing and ionization".
1866:(TLC) plates have been analyzed by positioning them directly in the DART gas stream. Gas chromatography has been carried out by coupling 1504: 3323: 1062: 1153: 3514: 3404: 2193:
Huang, Min-Zong; Yuan, Cheng-Hui; Cheng, Sy-Chyi; Cho, Yi-Tzu; Shiea, Jentaie (2010-06-01). "Ambient Ionization Mass Spectrometry".
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Chernetsova, Elena S; Morlock, G E; Revelsky, Igor A (2011). "DART mass spectrometry and its applications in chemical analysis".
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Cody, Robert B.; Dane, A. John (2016-04-07). "Dopant-assisted direct analysis in real time mass spectrometry with argon gas".
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etc. DART also plays an important role in biological studies. It enables studying chemical profiles of plants and organisms.
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being analyzed is held in the sample chamber between the DART ion source (right) and the spectrometer inlet (cone on left).
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columns directly into the DART gas stream through a heated interface. Eluate from a high-pressure liquid chromatograph (
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Huang, Min-Zong; Cheng, Sy-Chi; Cho, Yi-Tzu; Shiea, Jentaie (2011). "Ambient ionization mass spectrometry: A tutorial".
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process, and a US patent application was filed in April 2003. Although the development of DART actually predated the
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In food industry, DART assures the quality and authenticity assessment of food. It is also used in the analysis of
3333: 3152: 17: 1304: 3624: 3534: 3519: 1891:. DART is categorized as a soft ionization technique. Fragmentation can be rarely observed for some molecules. 1825:
pressure during Penning and chemical ionization. The mass spectrometry analysis, however, takes place at high
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The stream of protonated water clusters acts as a secondary ionizing species and generates analytes ions by
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may be ionized directly. The DART ionization process can produce positive or negative ions depending on the
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Maragos, C.M.; Busman, M. (2010). "Rapid and advanced tools for mycotoxin analysis: a review".
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Gross, Jürgen H. (2014-01-01). "Direct analysis in real time—a critical review on DART-MS".
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Ionized water can undergo further ion-molecule reactions to form protonated water clusters (
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species from gases such as helium, argon, or nitrogen that ionize atmospheric molecules or
1878:(CE) and the eluate of CE is guided to the mass spectrometer through the DART ion source. 8: 3619: 3425: 3394: 3268: 3238: 3128:
James A. Laramee and Robert B. Cody “Method for Atmospheric Pressure Analyte Ionization”
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in the range of +1 to +5 kV is applied to generate a glow discharge. The glow discharge
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will produce radical anions. Several reactions are possible, depending on the analyte.
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Once the metastable carrier gas atoms (M*) released from the source, they initiate
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Robert B. Cody and James A. Laramee, “Method for atmospheric pressure ionization”
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in beverages, semi-quantitative analysis of caffeine, monitoring heat accelerated
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cap at the terminal end of the ion source protects the operator from harm.
2161: 1809: 771:{\displaystyle {\ce {{H2O^{+\bullet }}+{H2O}->{H3O+}+{OH^{\bullet }}}}} 644:{\displaystyle {\ce {{N4^{+\bullet }}+{H2O}->{2N2}+{H2O}^{+\bullet }}}} 3440: 3379: 3358: 2156:. New Developments in Mass Spectrometry. The Royal Society of Chemistry. 1849: 910: 416:{\displaystyle {\ce {{M^{\ast }}+{H2O}->{M}+{H2O}^{+\bullet }+e^{-}}}} 528:{\displaystyle {\ce {{N2^{+\bullet }}+{2N2}->{N4^{+\bullet }}+{N2}}}} 3215: 2620: 2265: 311:{\displaystyle {\ce {{M^{\ast }}+{N2}->{M}+{N2}^{+\bullet }+e^{-}}}} 115: 63: 40: 2954: 2911: 2860: 2809: 2358: 2315: 2077: 2766: 2569: 2518: 2409: 2120: 1931: 56: 3137: 3409: 1580:{\displaystyle {\ce {{O2}^{-\bullet }+{S}->{S}^{-\bullet }+O2}}} 1140:{\displaystyle {\ce {{N4}^{+\bullet }+S->{2N2}+S^{+\bullet }}}} 1943: 1227:{\displaystyle {\ce {{O2}^{+\bullet }+S->{O2}+S^{+\bullet }}}} 2442:
Alberici, Rosana M.; Simas, Rosineide C.; Sanvido, Gustavo B.;
2063: 1888: 1831: 1826: 1712:{\displaystyle {\ce {{SX}+{e}^{-}->{S}^{-}+{X}^{\bullet }}}} 918: 48: 1923:
In forensic science, DART is used for analysis of explosives,
1049:{\displaystyle {\ce {{S}+{}^{+}->{}^{+}+{\mathit {n}}H2O}}} 2692: 895:{\displaystyle {\ce {{H3O^{+}}+{\mathit {n}}H2O->{}^{+}}}} 2293: 1871: 1838: 3037: 2787: 3184: 2441: 1573: 1521: 1491:{\displaystyle {\ce {{O2}+{e}^{-}->{O2}^{-\bullet }}}} 1474: 1440: 1372: 1325: 1291:{\displaystyle {\ce {{NO^{+}}+S->{NO}+S^{+\bullet }}}} 1203: 1170: 1116: 1079: 1039: 964: 867: 834: 800: 738: 717: 686: 624: 605: 580: 520: 479: 383: 353: 281: 254: 3125:
issued September 27, 2005. (Priority date: April 2003).
2743: 1640:{\displaystyle {\ce {{S}+{e}^{-}->{S}^{-\bullet }}}} 2838: 2387: 1862:
DART can be combined with many separation techniques.
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Here 594: 468: 207: 99: 2547: 1961:Atmospheric pressure chemical ionization 1893: 1848: 1808: 429:atmospheric pressure chemical ionization 198: 14: 3612: 2715:10.1146/annurev-physchem-040412-110026 2496: 2448:Analytical and Bioanalytical Chemistry 2015:Analytical and Bioanalytical Chemistry 203:Schematic diagram of a DART ion source 3167: 3141: 2437: 2435: 2195:Annual Review of Analytical Chemistry 2012: 1024: 949: 852: 819: 104: 3580: 2344: 2289: 2287: 2285: 2283: 2215:10.1146/annurev.anchem.111808.073702 2153:Ambient Ionization Mass Spectrometry 2008: 2006: 2004: 2002: 2000: 1998: 1996: 1966:Atmospheric pressure photoionization 3592: 3013:TrAC Trends in Analytical Chemistry 2695:Annual Review of Physical Chemistry 1858:Coupling with separation techniques 24: 2432: 1976:Desorption electrospray ionization 1799: 86:desorption electrospray ionization 25: 3636: 2280: 1993: 3591: 3579: 3568: 3567: 3074: 3060:10.1070/rc2011v080n03abeh004194 3031: 3004: 2961: 2934: 2883: 2832: 2781: 2737: 2686: 2643: 2592: 2541: 2490: 1915: 1881: 110:Formation of metastable species 59:applied to the exit electrode. 2381: 2338: 2245: 2186: 2143: 2092: 2057: 1755: 1741: 1735: 1678: 1618: 1542: 1459: 1375: 1351: 1345: 1328: 1312: 1263: 1189: 1098: 1008: 994: 988: 977: 943: 880: 846: 840: 724: 587: 483: 360: 258: 166: 13: 1: 1986: 917:, direct charge transfer and 1898:DART source red ink spectrum 1805:Source to analyzer interface 33:direct analysis in real time 7: 3431:Microchannel plate detector 1949: 1903:formulation determination. 1821:Analyte ions are formed at 10: 3641: 3134:issued September 26, 2006. 3113: 3025:10.1016/j.trac.2010.11.001 114:As the gas (M) enters the 78: 3563: 3505: 3454: 3418: 3367: 3214: 3175: 3095:10.1007/s12566-010-0019-5 2982:10.1080/19440040903515934 2892:Mass Spectrometry Reviews 2841:Mass Spectrometry Reviews 2790:Mass Spectrometry Reviews 2672:10.1016/j.aca.2011.06.017 2460:10.1007/s00216-010-3808-3 2296:Mass Spectrometry Reviews 2027:10.1007/s00216-013-7316-0 1876:capillary electrophoresis 1864:Thin-layer chromatography 921:ion formation may occur. 3446:Langmuir–Taylor detector 3040:Russian Chemical Reviews 1981:Electric glow discharge 3390:Quadrupole mass filter 2652:Analytica Chimica Acta 1899: 1854: 1818: 1786: 1713: 1641: 1581: 1492: 1406:Negative ion formation 1391: 1292: 1228: 1141: 1050: 896: 772: 645: 529: 417: 312: 208:Positive ion formation 204: 186: 100:Principle of operation 3625:Measuring instruments 3131:U.S. patent 7,112,785 3122:U.S. patent 6,949,741 3083:Bioanalytical Reviews 2162:10.1039/9781782628026 1897: 1852: 1812: 1787: 1714: 1642: 1582: 1493: 1392: 1293: 1229: 1142: 1051: 897: 773: 646: 530: 418: 313: 202: 187: 2347:Analytical Chemistry 1726: 1654: 1594: 1505: 1425: 1305: 1241: 1154: 1063: 928: 785: 671: 542: 437: 323: 224: 151: 130:species, M*) in the 69:atmospheric pressure 3426:Electron multiplier 3395:Quadrupole ion trap 3052:2011RuCRv..80..235C 2904:2011MSRv...30..875C 2853:2018MSRv...37..171P 2802:2011MSRv...30..940M 2759:2009RCMS...23.2241M 2707:2013ARPC...64..481B 2664:2011AcAC..702....1H 2613:2013Ana...138.3097L 2562:2016RCMS...30.1181C 2511:2010Ana...135..661W 2402:2008Ana...133.1297H 2308:2016MSRv...35...22S 2207:2010ARAC....3...43H 2113:2010Ana...135..669I 1575: 1523: 1476: 1442: 1374: 1327: 1205: 1172: 1118: 1081: 1041: 966: 907:chemical ionization 869: 836: 802: 740: 719: 688: 626: 607: 582: 564: 522: 504: 481: 459: 385: 355: 283: 256: 2621:10.1039/c3an00119a 2266:10.1039/c7ay00948h 2254:Analytical Methods 1956:Ambient ionization 1900: 1868:gas chromatography 1855: 1819: 1782: 1709: 1637: 1577: 1563: 1511: 1488: 1464: 1430: 1387: 1362: 1315: 1288: 1224: 1193: 1160: 1137: 1106: 1069: 1046: 1029: 954: 892: 857: 824: 790: 768: 728: 707: 676: 641: 614: 595: 570: 547: 525: 510: 487: 469: 442: 413: 373: 343: 308: 271: 244: 214:Penning ionization 205: 182: 137:Penning ionization 120:electric potential 105:Ionization process 90:ambient ionization 3607: 3606: 3169:Mass spectrometry 2955:10.1021/ie0703787 2912:10.1002/mas.20304 2861:10.1002/mas.21509 2810:10.1002/mas.20308 2753:(15): 2241–2246. 2556:(10): 1181–1189. 2359:10.1021/ac8022108 2316:10.1002/mas.21460 2260:(34): 4896–4907. 2078:10.1021/ac050162j 1773: 1754: 1746: 1733: 1700: 1685: 1670: 1661: 1625: 1610: 1601: 1566: 1549: 1540: 1514: 1467: 1451: 1433: 1365: 1357: 1344: 1318: 1277: 1269: 1262: 1249: 1213: 1196: 1188: 1163: 1126: 1109: 1097: 1072: 1044: 1032: 1026: 1007: 1000: 976: 969: 957: 951: 935: 879: 872: 860: 854: 839: 827: 821: 806: 793: 759: 744: 731: 722: 710: 692: 679: 629: 617: 598: 585: 573: 550: 513: 490: 472: 445: 405: 388: 376: 366: 358: 346: 331: 300: 274: 264: 247: 232: 173: 165: 158: 132:flowing afterglow 53:ionization energy 29:mass spectrometry 16:(Redirected from 3632: 3595: 3594: 3583: 3582: 3571: 3570: 3162: 3155: 3148: 3139: 3138: 3133: 3124: 3107: 3106: 3078: 3072: 3071: 3035: 3029: 3028: 3008: 3002: 3001: 2965: 2959: 2958: 2938: 2932: 2931: 2887: 2881: 2880: 2836: 2830: 2829: 2785: 2779: 2778: 2767:10.1002/rcm.4133 2741: 2735: 2734: 2690: 2684: 2683: 2647: 2641: 2640: 2607:(11): 3097–103. 2596: 2590: 2589: 2570:10.1002/rcm.7552 2545: 2539: 2538: 2519:10.1039/b925579f 2494: 2488: 2487: 2444:RomĂŁo, Wanderson 2439: 2430: 2429: 2410:10.1039/b806810k 2396:(10): 1297–301. 2385: 2379: 2378: 2353:(3): 1101–1107. 2342: 2336: 2335: 2291: 2278: 2277: 2249: 2243: 2242: 2190: 2184: 2183: 2147: 2141: 2140: 2121:10.1039/b925257f 2096: 2090: 2089: 2072:(8): 2297–2302. 2061: 2055: 2054: 2010: 1837:In the original 1791: 1789: 1788: 1783: 1781: 1780: 1779: 1774: 1771: 1765: 1764: 1759: 1758: 1752: 1751: 1744: 1734: 1731: 1718: 1716: 1715: 1710: 1708: 1707: 1706: 1701: 1698: 1692: 1691: 1686: 1683: 1677: 1676: 1671: 1668: 1662: 1659: 1646: 1644: 1643: 1638: 1636: 1635: 1634: 1626: 1623: 1617: 1616: 1611: 1608: 1602: 1599: 1586: 1584: 1583: 1578: 1576: 1574: 1571: 1564: 1559: 1558: 1550: 1547: 1541: 1538: 1533: 1532: 1524: 1522: 1519: 1512: 1497: 1495: 1494: 1489: 1487: 1486: 1485: 1477: 1475: 1472: 1465: 1458: 1457: 1452: 1449: 1443: 1441: 1438: 1431: 1396: 1394: 1393: 1388: 1386: 1385: 1384: 1379: 1378: 1373: 1370: 1363: 1358: 1355: 1342: 1338: 1337: 1336: 1331: 1326: 1323: 1316: 1297: 1295: 1294: 1289: 1287: 1286: 1285: 1275: 1270: 1267: 1260: 1256: 1255: 1254: 1247: 1233: 1231: 1230: 1225: 1223: 1222: 1221: 1211: 1206: 1204: 1201: 1194: 1186: 1182: 1181: 1173: 1171: 1168: 1161: 1146: 1144: 1143: 1138: 1136: 1135: 1134: 1124: 1119: 1117: 1114: 1107: 1095: 1091: 1090: 1082: 1080: 1077: 1070: 1055: 1053: 1052: 1047: 1045: 1042: 1040: 1037: 1030: 1028: 1027: 1018: 1017: 1012: 1011: 1005: 1001: 998: 987: 986: 981: 980: 974: 970: 967: 965: 962: 955: 953: 952: 936: 933: 901: 899: 898: 893: 891: 890: 889: 884: 883: 877: 873: 870: 868: 865: 858: 856: 855: 837: 835: 832: 825: 823: 822: 813: 812: 811: 804: 801: 798: 791: 777: 775: 774: 769: 767: 766: 765: 764: 757: 751: 750: 749: 742: 739: 736: 729: 723: 720: 718: 715: 708: 702: 701: 700: 690: 687: 684: 677: 663: 662: 661: 650: 648: 647: 642: 640: 639: 638: 630: 627: 625: 622: 615: 608: 606: 603: 596: 586: 583: 581: 578: 571: 565: 563: 555: 548: 534: 532: 531: 526: 524: 523: 521: 518: 511: 505: 503: 495: 488: 482: 480: 477: 470: 460: 458: 450: 443: 422: 420: 419: 414: 412: 411: 410: 403: 398: 397: 389: 386: 384: 381: 374: 367: 364: 359: 356: 354: 351: 344: 338: 337: 336: 329: 317: 315: 314: 309: 307: 306: 305: 298: 293: 292: 284: 282: 279: 272: 265: 262: 257: 255: 252: 245: 239: 238: 237: 230: 191: 189: 188: 183: 181: 180: 179: 178: 171: 163: 159: 156: 21: 3640: 3639: 3635: 3634: 3633: 3631: 3630: 3629: 3610: 3609: 3608: 3603: 3559: 3501: 3450: 3414: 3363: 3210: 3171: 3166: 3129: 3120: 3116: 3111: 3110: 3079: 3075: 3036: 3032: 3009: 3005: 2966: 2962: 2939: 2935: 2888: 2884: 2837: 2833: 2786: 2782: 2742: 2738: 2691: 2687: 2648: 2644: 2597: 2593: 2546: 2542: 2495: 2491: 2440: 2433: 2386: 2382: 2343: 2339: 2292: 2281: 2250: 2246: 2191: 2187: 2172: 2148: 2144: 2097: 2093: 2062: 2058: 2011: 1994: 1989: 1952: 1918: 1884: 1860: 1807: 1802: 1800:Instrumentation 1775: 1770: 1769: 1760: 1747: 1740: 1739: 1738: 1730: 1729: 1727: 1724: 1723: 1702: 1697: 1696: 1687: 1682: 1681: 1672: 1667: 1666: 1658: 1657: 1655: 1652: 1651: 1627: 1622: 1621: 1612: 1607: 1606: 1598: 1597: 1595: 1592: 1591: 1572: 1567: 1551: 1546: 1545: 1537: 1525: 1520: 1515: 1510: 1509: 1508: 1506: 1503: 1502: 1478: 1473: 1468: 1463: 1462: 1453: 1448: 1447: 1439: 1434: 1429: 1428: 1426: 1423: 1422: 1417: 1413: 1408: 1380: 1371: 1366: 1354: 1350: 1349: 1348: 1332: 1324: 1319: 1311: 1310: 1309: 1308: 1306: 1303: 1302: 1278: 1274: 1266: 1250: 1246: 1245: 1244: 1242: 1239: 1238: 1214: 1210: 1202: 1197: 1192: 1174: 1169: 1164: 1159: 1158: 1157: 1155: 1152: 1151: 1127: 1123: 1115: 1110: 1101: 1083: 1078: 1073: 1068: 1067: 1066: 1064: 1061: 1060: 1038: 1033: 1023: 1022: 1013: 997: 993: 992: 991: 982: 963: 958: 948: 947: 946: 942: 941: 940: 932: 931: 929: 926: 925: 885: 866: 861: 851: 850: 849: 845: 844: 843: 833: 828: 818: 817: 807: 803: 799: 794: 789: 788: 786: 783: 782: 760: 756: 755: 745: 741: 737: 732: 727: 716: 711: 706: 693: 689: 685: 680: 675: 674: 672: 669: 668: 660: 658: 657: 656: 655: 631: 623: 618: 613: 612: 604: 599: 590: 579: 574: 569: 556: 551: 546: 545: 543: 540: 539: 519: 514: 509: 496: 491: 486: 478: 473: 464: 451: 446: 441: 440: 438: 435: 434: 406: 402: 390: 382: 377: 372: 371: 363: 352: 347: 342: 332: 328: 327: 326: 324: 321: 320: 301: 297: 285: 280: 275: 270: 269: 261: 253: 248: 243: 233: 229: 228: 227: 225: 222: 221: 210: 174: 170: 169: 155: 154: 152: 149: 148: 112: 107: 102: 81: 23: 22: 18:DART ion source 15: 12: 11: 5: 3638: 3628: 3627: 3622: 3605: 3604: 3602: 3601: 3589: 3577: 3564: 3561: 3560: 3558: 3557: 3552: 3547: 3542: 3537: 3532: 3527: 3522: 3517: 3511: 3509: 3503: 3502: 3500: 3499: 3494: 3489: 3484: 3479: 3474: 3469: 3464: 3458: 3456: 3455:MS combination 3452: 3451: 3449: 3448: 3443: 3438: 3433: 3428: 3422: 3420: 3416: 3415: 3413: 3412: 3407: 3402: 3397: 3392: 3387: 3385:Time-of-flight 3382: 3377: 3371: 3369: 3365: 3364: 3362: 3361: 3356: 3351: 3346: 3341: 3336: 3331: 3326: 3321: 3316: 3311: 3306: 3301: 3296: 3291: 3286: 3281: 3276: 3271: 3266: 3261: 3256: 3251: 3246: 3241: 3236: 3231: 3226: 3220: 3218: 3212: 3211: 3209: 3208: 3203: 3198: 3193: 3182: 3176: 3173: 3172: 3165: 3164: 3157: 3150: 3142: 3136: 3135: 3126: 3115: 3112: 3109: 3108: 3073: 3046:(3): 235–255. 3030: 3019:(2): 204–218. 3003: 2976:(5): 688–700. 2960: 2949:(3): 585–590. 2933: 2898:(5): 875–883. 2882: 2847:(2): 171–187. 2831: 2796:(5): 940–973. 2780: 2736: 2701:(1): 481–505. 2685: 2642: 2591: 2540: 2489: 2454:(1): 265–294. 2431: 2380: 2337: 2279: 2244: 2185: 2170: 2142: 2091: 2056: 1991: 1990: 1988: 1985: 1984: 1983: 1978: 1973: 1968: 1963: 1958: 1951: 1948: 1925:warfare agents 1917: 1914: 1883: 1880: 1859: 1856: 1806: 1803: 1801: 1798: 1793: 1792: 1778: 1768: 1763: 1757: 1750: 1743: 1737: 1720: 1719: 1705: 1695: 1690: 1680: 1675: 1665: 1648: 1647: 1633: 1630: 1620: 1615: 1605: 1588: 1587: 1570: 1562: 1557: 1554: 1544: 1536: 1531: 1528: 1518: 1499: 1498: 1484: 1481: 1471: 1461: 1456: 1446: 1437: 1415: 1411: 1407: 1404: 1403: 1402: 1399: 1397: 1383: 1377: 1369: 1361: 1353: 1347: 1341: 1335: 1330: 1322: 1314: 1299: 1298: 1284: 1281: 1273: 1265: 1259: 1253: 1235: 1234: 1220: 1217: 1209: 1200: 1191: 1185: 1180: 1177: 1167: 1148: 1147: 1133: 1130: 1122: 1113: 1104: 1100: 1094: 1089: 1086: 1076: 1057: 1056: 1036: 1021: 1016: 1010: 1004: 996: 990: 985: 979: 973: 961: 945: 939: 903: 902: 888: 882: 876: 864: 848: 842: 831: 816: 810: 797: 779: 778: 763: 754: 748: 735: 726: 714: 705: 699: 696: 683: 659: 652: 651: 637: 634: 621: 611: 602: 593: 589: 577: 568: 562: 559: 554: 536: 535: 517: 508: 502: 499: 494: 485: 476: 467: 463: 457: 454: 449: 424: 423: 409: 401: 396: 393: 380: 370: 362: 350: 341: 335: 318: 304: 296: 291: 288: 278: 268: 260: 251: 242: 236: 209: 206: 193: 192: 177: 168: 162: 111: 108: 106: 103: 101: 98: 80: 77: 9: 6: 4: 3: 2: 3637: 3626: 3623: 3621: 3618: 3617: 3615: 3600: 3599: 3590: 3588: 3587: 3578: 3576: 3575: 3566: 3565: 3562: 3556: 3553: 3551: 3548: 3546: 3543: 3541: 3538: 3536: 3533: 3531: 3528: 3526: 3523: 3521: 3518: 3516: 3513: 3512: 3510: 3508: 3507:Fragmentation 3504: 3498: 3495: 3493: 3490: 3488: 3485: 3483: 3480: 3478: 3475: 3473: 3470: 3468: 3465: 3463: 3460: 3459: 3457: 3453: 3447: 3444: 3442: 3439: 3437: 3436:Daly detector 3434: 3432: 3429: 3427: 3424: 3423: 3421: 3417: 3411: 3408: 3406: 3403: 3401: 3398: 3396: 3393: 3391: 3388: 3386: 3383: 3381: 3378: 3376: 3373: 3372: 3370: 3368:Mass analyzer 3366: 3360: 3357: 3355: 3352: 3350: 3347: 3345: 3342: 3340: 3337: 3335: 3332: 3330: 3327: 3325: 3322: 3320: 3317: 3315: 3312: 3310: 3307: 3305: 3302: 3300: 3297: 3295: 3292: 3290: 3287: 3285: 3282: 3280: 3277: 3275: 3272: 3270: 3267: 3265: 3262: 3260: 3257: 3255: 3252: 3250: 3247: 3245: 3242: 3240: 3237: 3235: 3232: 3230: 3227: 3225: 3222: 3221: 3219: 3217: 3213: 3207: 3204: 3202: 3199: 3197: 3196:Mass spectrum 3194: 3192: 3191: 3187: 3183: 3181: 3178: 3177: 3174: 3170: 3163: 3158: 3156: 3151: 3149: 3144: 3143: 3140: 3132: 3127: 3123: 3118: 3117: 3104: 3100: 3096: 3092: 3088: 3084: 3077: 3069: 3065: 3061: 3057: 3053: 3049: 3045: 3041: 3034: 3026: 3022: 3018: 3014: 3007: 2999: 2995: 2991: 2987: 2983: 2979: 2975: 2971: 2964: 2956: 2952: 2948: 2944: 2937: 2929: 2925: 2921: 2917: 2913: 2909: 2905: 2901: 2897: 2893: 2886: 2878: 2874: 2870: 2866: 2862: 2858: 2854: 2850: 2846: 2842: 2835: 2827: 2823: 2819: 2815: 2811: 2807: 2803: 2799: 2795: 2791: 2784: 2776: 2772: 2768: 2764: 2760: 2756: 2752: 2748: 2740: 2732: 2728: 2724: 2720: 2716: 2712: 2708: 2704: 2700: 2696: 2689: 2681: 2677: 2673: 2669: 2665: 2661: 2657: 2653: 2646: 2638: 2634: 2630: 2626: 2622: 2618: 2614: 2610: 2606: 2602: 2595: 2587: 2583: 2579: 2575: 2571: 2567: 2563: 2559: 2555: 2551: 2544: 2536: 2532: 2528: 2524: 2520: 2516: 2512: 2508: 2504: 2500: 2493: 2485: 2481: 2477: 2473: 2469: 2465: 2461: 2457: 2453: 2449: 2445: 2438: 2436: 2427: 2423: 2419: 2415: 2411: 2407: 2403: 2399: 2395: 2391: 2384: 2376: 2372: 2368: 2364: 2360: 2356: 2352: 2348: 2341: 2333: 2329: 2325: 2321: 2317: 2313: 2309: 2305: 2301: 2297: 2290: 2288: 2286: 2284: 2275: 2271: 2267: 2263: 2259: 2255: 2248: 2240: 2236: 2232: 2228: 2224: 2220: 2216: 2212: 2208: 2204: 2200: 2196: 2189: 2181: 2177: 2173: 2171:9781849739269 2167: 2163: 2159: 2155: 2154: 2146: 2138: 2134: 2130: 2126: 2122: 2118: 2114: 2110: 2107:(4): 669–81. 2106: 2102: 2095: 2087: 2083: 2079: 2075: 2071: 2067: 2060: 2052: 2048: 2044: 2040: 2036: 2032: 2028: 2024: 2020: 2016: 2009: 2007: 2005: 2003: 2001: 1999: 1997: 1992: 1982: 1979: 1977: 1974: 1972: 1969: 1967: 1964: 1962: 1959: 1957: 1954: 1953: 1947: 1945: 1940: 1937: 1936:decomposition 1933: 1928: 1926: 1921: 1913: 1910: 1904: 1896: 1892: 1890: 1879: 1877: 1873: 1869: 1865: 1851: 1847: 1843: 1840: 1835: 1833: 1828: 1824: 1816: 1811: 1797: 1776: 1766: 1761: 1748: 1722: 1721: 1703: 1693: 1688: 1673: 1663: 1650: 1649: 1631: 1628: 1613: 1603: 1590: 1589: 1568: 1560: 1555: 1552: 1534: 1529: 1526: 1516: 1501: 1500: 1482: 1479: 1469: 1454: 1444: 1435: 1421: 1420: 1419: 1400: 1398: 1381: 1367: 1359: 1339: 1333: 1320: 1301: 1300: 1282: 1279: 1271: 1257: 1251: 1237: 1236: 1218: 1215: 1207: 1198: 1183: 1178: 1175: 1165: 1150: 1149: 1131: 1128: 1120: 1111: 1102: 1092: 1087: 1084: 1074: 1059: 1058: 1034: 1019: 1014: 1002: 983: 971: 959: 937: 924: 923: 922: 920: 916: 915:deprotonation 912: 908: 886: 874: 862: 829: 814: 808: 795: 781: 780: 761: 752: 746: 733: 712: 703: 697: 694: 681: 667: 666: 665: 635: 632: 619: 609: 600: 591: 575: 566: 560: 557: 552: 538: 537: 515: 506: 500: 497: 492: 474: 465: 461: 455: 452: 447: 433: 432: 431: 430: 407: 399: 394: 391: 378: 368: 348: 339: 333: 319: 302: 294: 289: 286: 276: 266: 249: 240: 234: 220: 219: 218: 215: 201: 197: 175: 160: 147: 146: 145: 143: 138: 133: 129: 125: 121: 117: 97: 95: 94:excited state 91: 87: 76: 72: 70: 65: 60: 58: 54: 50: 46: 45:excited-state 42: 38: 34: 30: 19: 3596: 3584: 3572: 3400:Penning trap 3248: 3189: 3185: 3086: 3082: 3076: 3043: 3039: 3033: 3016: 3012: 3006: 2973: 2969: 2963: 2946: 2942: 2936: 2895: 2891: 2885: 2844: 2840: 2834: 2793: 2789: 2783: 2750: 2746: 2739: 2698: 2694: 2688: 2655: 2651: 2645: 2604: 2600: 2594: 2553: 2549: 2543: 2505:(4): 661–8. 2502: 2498: 2492: 2451: 2447: 2393: 2389: 2383: 2350: 2346: 2340: 2302:(1): 22–34. 2299: 2295: 2257: 2253: 2247: 2201:(1): 43–65. 2198: 2194: 2188: 2152: 2145: 2104: 2100: 2094: 2069: 2065: 2059: 2021:(1): 63–80. 2018: 2014: 1941: 1929: 1922: 1919: 1916:Applications 1908: 1905: 1901: 1885: 1882:Mass spectra 1861: 1844: 1836: 1820: 1794: 1409: 904: 653: 425: 211: 194: 113: 82: 73: 61: 36: 32: 26: 3598:WikiProject 3441:Faraday cup 3380:Wien filter 3201:MS software 2658:(1): 1–15. 2601:The Analyst 2499:The Analyst 2390:The Analyst 2101:The Analyst 911:protonation 3620:Ion source 3614:Categories 3216:Ion source 3089:(1): 1–9. 2066:Anal. Chem 1987:References 1932:mycotoxins 128:metastable 116:ion source 64:ionization 41:ion source 3477:Hybrid MS 2920:1098-2787 2869:1098-2787 2818:1098-2787 2723:0066-426X 2629:1364-5528 2578:0951-4198 2527:1364-5528 2468:1618-2642 2418:1364-5528 2367:0003-2700 2324:1098-2787 2274:1759-9679 2223:1936-1327 2180:2045-7553 2129:1364-5528 2035:1618-2642 1762:− 1749:− 1736:⟶ 1704:∙ 1689:− 1679:⟶ 1674:− 1632:∙ 1629:− 1619:⟶ 1614:− 1556:∙ 1553:− 1543:⟶ 1530:∙ 1527:− 1483:∙ 1480:− 1460:⟶ 1455:− 1346:⟶ 1283:∙ 1264:⟶ 1219:∙ 1190:⟶ 1179:∙ 1132:∙ 1099:⟶ 1088:∙ 989:⟶ 841:⟶ 762:∙ 725:⟶ 698:∙ 636:∙ 588:⟶ 561:∙ 501:∙ 484:⟶ 456:∙ 408:− 395:∙ 361:⟶ 334:∗ 303:− 290:∙ 259:⟶ 235:∗ 176:∗ 167:⟶ 142:insulator 96:species. 57:potential 3574:Category 3419:Detector 3410:Orbitrap 3206:Acronyms 3103:96382472 3068:95220965 2998:26568215 2990:20155533 2928:24737631 2877:27271453 2826:21294149 2775:19551840 2731:23331308 2680:21819855 2637:23549078 2586:28328019 2535:20309440 2484:41444270 2476:20521143 2426:18810277 2375:19115958 2332:25988731 2239:32568838 2231:20636033 2137:20309441 2086:15828760 2043:24036523 1950:See also 1944:aerosols 39:) is an 3586:Commons 3314:MALDESI 3114:Patents 3048:Bibcode 2900:Bibcode 2849:Bibcode 2798:Bibcode 2755:Bibcode 2703:Bibcode 2660:Bibcode 2609:Bibcode 2558:Bibcode 2507:Bibcode 2398:Bibcode 2304:Bibcode 2203:Bibcode 2109:Bibcode 2051:9565130 1889:adducts 1823:ambient 1815:capsule 1414:. The O 79:History 3492:IMS/MS 3405:FT-ICR 3375:Sector 3101:  3066:  2996:  2988:  2926:  2918:  2875:  2867:  2824:  2816:  2773:  2729:  2721:  2678:  2635:  2627:  2584:  2576:  2533:  2525:  2482:  2474:  2466:  2424:  2416:  2373:  2365:  2330:  2322:  2272:  2237:  2229:  2221:  2178:  2168:  2135:  2127:  2084:  2049:  2041:  2033:  1909:m/z 50 1832:vacuum 1827:vacuum 919:adduct 164:energy 124:plasma 49:dopant 3545:IRMPD 3497:CE-MS 3487:LC/MS 3482:GC/MS 3462:MS/MS 3349:SELDI 3309:MALDI 3304:LAESI 3244:DAPPI 3099:S2CID 3064:S2CID 2994:S2CID 2480:S2CID 2235:S2CID 2047:S2CID 118:, an 62:This 3550:NETD 3515:BIRD 3334:SIMS 3329:SESI 3264:EESI 3259:DIOS 3254:DESI 3249:DART 3234:APPI 3229:APLI 3224:APCI 3180:Mass 2986:PMID 2924:PMID 2916:ISSN 2873:PMID 2865:ISSN 2822:PMID 2814:ISSN 2771:PMID 2727:PMID 2719:ISSN 2676:PMID 2633:PMID 2625:ISSN 2582:PMID 2574:ISSN 2531:PMID 2523:ISSN 2472:PMID 2464:ISSN 2422:PMID 2414:ISSN 2371:PMID 2363:ISSN 2328:PMID 2320:ISSN 2270:ISSN 2227:PMID 2219:ISSN 2176:ISSN 2166:ISBN 2133:PMID 2125:ISSN 2082:PMID 2039:PMID 2031:ISSN 1872:HPLC 1839:JEOL 37:DART 3555:SID 3540:HCD 3535:ETD 3530:EDD 3525:ECD 3520:CID 3472:AMS 3467:QqQ 3344:SSI 3324:PTR 3319:MIP 3299:ICP 3279:FAB 3274:ESI 3091:doi 3056:doi 3021:doi 2978:doi 2951:doi 2908:doi 2857:doi 2806:doi 2763:doi 2711:doi 2668:doi 2656:702 2617:doi 2605:138 2566:doi 2515:doi 2503:135 2456:doi 2452:398 2406:doi 2394:133 2355:doi 2312:doi 2262:doi 2211:doi 2158:doi 2117:doi 2105:135 2074:doi 2023:doi 2019:406 664:). 27:In 3616:: 3359:TS 3354:TI 3339:SS 3294:IA 3289:GD 3284:FD 3269:EI 3239:CI 3097:. 3085:. 3062:. 3054:. 3044:80 3042:. 3017:30 3015:. 2992:. 2984:. 2974:27 2972:. 2947:47 2945:. 2922:. 2914:. 2906:. 2896:30 2894:. 2871:. 2863:. 2855:. 2845:37 2843:. 2820:. 2812:. 2804:. 2794:30 2792:. 2769:. 2761:. 2751:23 2749:. 2725:. 2717:. 2709:. 2699:64 2697:. 2674:. 2666:. 2654:. 2631:. 2623:. 2615:. 2603:. 2580:. 2572:. 2564:. 2554:30 2552:. 2529:. 2521:. 2513:. 2501:. 2478:. 2470:. 2462:. 2450:. 2434:^ 2420:. 2412:. 2404:. 2392:. 2369:. 2361:. 2351:81 2349:. 2326:. 2318:. 2310:. 2300:35 2298:. 2282:^ 2268:. 2256:. 2233:. 2225:. 2217:. 2209:. 2197:. 2174:. 2164:. 2131:. 2123:. 2115:. 2103:. 2080:. 2070:77 2068:. 2045:. 2037:. 2029:. 2017:. 1995:^ 1813:A 1732:SH 1660:SX 1364:NH 1317:NH 1268:NO 1248:NO 913:, 758:OH 31:, 3190:z 3188:/ 3186:m 3161:e 3154:t 3147:v 3105:. 3093:: 3087:3 3070:. 3058:: 3050:: 3027:. 3023:: 3000:. 2980:: 2957:. 2953:: 2930:. 2910:: 2902:: 2879:. 2859:: 2851:: 2828:. 2808:: 2800:: 2777:. 2765:: 2757:: 2733:. 2713:: 2705:: 2682:. 2670:: 2662:: 2639:. 2619:: 2611:: 2588:. 2568:: 2560:: 2537:. 2517:: 2509:: 2486:. 2458:: 2428:. 2408:: 2400:: 2377:. 2357:: 2334:. 2314:: 2306:: 2276:. 2264:: 2258:9 2241:. 2213:: 2205:: 2199:3 2182:. 2160:: 2139:. 2119:: 2111:: 2088:. 2076:: 2053:. 2025:: 1777:+ 1772:H 1767:+ 1756:] 1753:H 1745:S 1742:[ 1699:X 1694:+ 1684:S 1669:e 1664:+ 1624:S 1609:e 1604:+ 1600:S 1569:2 1565:O 1561:+ 1548:S 1539:S 1535:+ 1517:2 1513:O 1470:2 1466:O 1450:e 1445:+ 1436:2 1432:O 1416:2 1412:2 1382:+ 1376:] 1368:4 1360:+ 1356:S 1352:[ 1343:S 1340:+ 1334:+ 1329:] 1321:4 1313:[ 1280:+ 1276:S 1272:+ 1261:S 1258:+ 1252:+ 1216:+ 1212:S 1208:+ 1199:2 1195:O 1187:S 1184:+ 1176:+ 1166:2 1162:O 1129:+ 1125:S 1121:+ 1112:2 1108:N 1103:2 1096:S 1093:+ 1085:+ 1075:4 1071:N 1043:O 1035:2 1031:H 1025:n 1020:+ 1015:+ 1009:] 1006:H 1003:+ 999:S 995:[ 984:+ 978:] 975:H 972:+ 968:O 960:2 956:H 950:n 944:[ 938:+ 934:S 887:+ 881:] 878:H 875:+ 871:O 863:2 859:H 853:n 847:[ 838:O 830:2 826:H 820:n 815:+ 809:+ 805:O 796:3 792:H 753:+ 747:+ 743:O 734:3 730:H 721:O 713:2 709:H 704:+ 695:+ 691:O 682:2 678:H 633:+ 628:O 620:2 616:H 610:+ 601:2 597:N 592:2 584:O 576:2 572:H 567:+ 558:+ 553:4 549:N 516:2 512:N 507:+ 498:+ 493:4 489:N 475:2 471:N 466:2 462:+ 453:+ 448:2 444:N 404:e 400:+ 392:+ 387:O 379:2 375:H 369:+ 365:M 357:O 349:2 345:H 340:+ 330:M 299:e 295:+ 287:+ 277:2 273:N 267:+ 263:M 250:2 246:N 241:+ 231:M 172:M 161:+ 157:M 35:( 20:)

Index

DART ion source
mass spectrometry
ion source
excited-state
dopant
ionization energy
potential
ionization
atmospheric pressure
desorption electrospray ionization
ambient ionization
excited state
ion source
electric potential
plasma
metastable
flowing afterglow
Penning ionization
insulator
DART schematic
Penning ionization
atmospheric pressure chemical ionization
chemical ionization
protonation
deprotonation
adduct

capsule
ambient
vacuum

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