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International Journal of Mass Spectrometry and Ion Physics最新文献

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Some reminiscences of the early days of californium 加利福尼亚早期的一些回忆
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85098-0
A. Ghiorso
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引用次数: 0
Some aspects of secondary ion mass spectrometry of organic compounds 有机化合物二次离子质谱分析的若干方面
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85104-3
A. Benninghoven
{"title":"Some aspects of secondary ion mass spectrometry of organic compounds","authors":"A. Benninghoven","doi":"10.1016/0020-7381(83)85104-3","DOIUrl":"https://doi.org/10.1016/0020-7381(83)85104-3","url":null,"abstract":"<div><p>After a short survey of the historical development of organic SIMS, the main experimental results of organic secondary ion formation are summarized in the frame of a precursor model. Results of static SIMS investigations of the (M+H)<sup>+</sup> -, (M−H)<sup>−</sup> -, and (M−H)<sup>+</sup> - emission from metal supported amino acids and of different organic compounds in a glycerol matrix are reported. The performance of a new time-of-flight instrument for SIMS is demonstrated.</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85104-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90004759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 69
Application of californium-252 plasma desorption mass spectroscopy to chlorophyll studies☆ 等离子体解吸质谱法在叶绿素研究中的应用
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85101-8
J. E. Hunt, P. Schaber, T. J. Michalski, R. Dougherty, J. Katz
{"title":"Application of californium-252 plasma desorption mass spectroscopy to chlorophyll studies☆","authors":"J. E. Hunt, P. Schaber, T. J. Michalski, R. Dougherty, J. Katz","doi":"10.1016/0020-7381(83)85101-8","DOIUrl":"https://doi.org/10.1016/0020-7381(83)85101-8","url":null,"abstract":"","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77596257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Prompt and metastable decomposition in 252Cf fission fragment ionization mass spectrometry 252Cf裂变碎片电离质谱法的快速和亚稳态分解
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85114-6
B.T. Chait
{"title":"Prompt and metastable decomposition in 252Cf fission fragment ionization mass spectrometry","authors":"B.T. Chait","doi":"10.1016/0020-7381(83)85114-6","DOIUrl":"10.1016/0020-7381(83)85114-6","url":null,"abstract":"<div><p>High energy ion bombardment of organic compounds in the condensed phase is foundto gice rise to secondary molecular ions in the gas phase containing appreciable internal energy of excitation. This paper presents the results of time-of-flight mass spectrometric studies of the subsequent prompt and metastable decomposition of these excited ions. The implications of the findings on the fragmentation mechanisms involved in heavy particle bombardment mass spectrometry is discussed.</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85114-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80900945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 47
Secondary ion mass spectrometry by time-of-flight 飞行时间二次离子质谱法
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85107-9
K.G. Standing, R. Beavis, W. Ens, B. Schueler
{"title":"Secondary ion mass spectrometry by time-of-flight","authors":"K.G. Standing,&nbsp;R. Beavis,&nbsp;W. Ens,&nbsp;B. Schueler","doi":"10.1016/0020-7381(83)85107-9","DOIUrl":"10.1016/0020-7381(83)85107-9","url":null,"abstract":"<div><p>Some properties of the Manitoba time-of-flight secondary ion mass spectrometer are described and compared with those of other instruments. Topics discussed include properties of the primary ion beam, preparation of small electrosprayed targets, secondary ions from alkali halides (metastable decay and increase in yield after irradiation), data handling and sensitivity.</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85107-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82047050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 29
252Cf plasma desorption of natural products 252Cf等离子体解吸天然产物
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85102-X
Henry M. Fales
{"title":"252Cf plasma desorption of natural products","authors":"Henry M. Fales","doi":"10.1016/0020-7381(83)85102-X","DOIUrl":"https://doi.org/10.1016/0020-7381(83)85102-X","url":null,"abstract":"<div><p>Californium-252 plasma desorption mass spectrometry is reviewed in its application to a series of natural products including fungal metabolites, toxins, and nucleosides. Its importance in identifying the molecular weight of an unknown compound early in isolation procedures is emphasized. Several new applications to synthetic peptides, a dye conjugate and cardiac glycosides are illustrated.</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85102-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90004758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Particle induced desorption and the analysis of large molecules 颗粒诱导解吸和大分子的分析
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85097-9
Catherine Fenselau, J. Yergey, D. Heller
{"title":"Particle induced desorption and the analysis of large molecules","authors":"Catherine Fenselau,&nbsp;J. Yergey,&nbsp;D. Heller","doi":"10.1016/0020-7381(83)85097-9","DOIUrl":"10.1016/0020-7381(83)85097-9","url":null,"abstract":"<div><p>This opening lecture in the Texas Symposium on Particle Induced Desorption is intended to reflect on the state of the art, and to pose questions to the instrumentalists, the theoreticians and the analytical/bioorganic chemists participating in the three respective subdivisions of the symposium. Recent studies from our laboratory are discussed which investigate the information which can be deduced from the molecular ion envelope of an unknown middle mass or large molecule, evaluate the need for unit resolution above 5000 amu, and illustrate the ability of particle induced desorption to provide stable isotope analyses, absolute and relative quantitation in mixtures, as well as molecular weights and structural information.</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85097-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76601669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 34
Secondary ion mass spectrometry of small-molecule solids at cryogenic temperatures. V [1]. Oxygen 低温下小分子固体的二次离子质谱分析。V[1]。氧气
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85127-4
Dusan Stulik, Robert G. Orth, Harry T. Jonkman, Josef Michl
{"title":"Secondary ion mass spectrometry of small-molecule solids at cryogenic temperatures. V [1]. Oxygen","authors":"Dusan Stulik,&nbsp;Robert G. Orth,&nbsp;Harry T. Jonkman,&nbsp;Josef Michl","doi":"10.1016/0020-7381(83)85127-4","DOIUrl":"10.1016/0020-7381(83)85127-4","url":null,"abstract":"<div><p>Positive secondary ion mass spectra of neat solid O<sub>2</sub> and O<sub>2</sub> diluted with argon at 15–20K were measured as a function of the nature and energy of the primary ions (He<sup>+</sup>, Ar<sup>+</sup>, Kr<sup>+</sup>, 0.5–4.0 keV). With He<sup>+</sup>, the spectrum of solid O<sub>2</sub> is dominated by O<sub>2</sub> and O<sup>+</sup> peaks, with Ar<sup>+</sup> and Kr<sup>+</sup>, it is dominated by an intense cluster series O<sup>+</sup><sub>3n+2</sub>, n = 0,1,2….</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85127-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88465501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
252Cf plasma desorption of natural products 252Cf等离子体解吸天然产物
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85102-X
H. Fales
{"title":"252Cf plasma desorption of natural products","authors":"H. Fales","doi":"10.1016/0020-7381(83)85102-X","DOIUrl":"https://doi.org/10.1016/0020-7381(83)85102-X","url":null,"abstract":"","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91092632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
High resolution accurate mass measurements of FAB-generated ions by use of peak matching and multichannel analyzer techniques. 利用峰值匹配和多通道分析仪技术对fab -生成离子进行高分辨率精确质量测量。
International Journal of Mass Spectrometry and Ion Physics Pub Date : 1983-09-20 DOI: 10.1016/0020-7381(83)85123-7
Keith L. Clay, Robert C. Murphy
{"title":"High resolution accurate mass measurements of FAB-generated ions by use of peak matching and multichannel analyzer techniques.","authors":"Keith L. Clay,&nbsp;Robert C. Murphy","doi":"10.1016/0020-7381(83)85123-7","DOIUrl":"10.1016/0020-7381(83)85123-7","url":null,"abstract":"<div><p>Accurate mass measurement at a resolution of 10,000 has been performed with very small ion currents generated by fast atom bombardment ionization. With the use of a peak matching unit to switch accelerating voltage and a multi-channel analyzer to acquire the data, determination of exact mass can be routinely made with less than 5 ppm error on ion currents of insufficient intensity for accurate peak matching in the conventional mode. Glycerol cluster ions generated during the FAB experiment are suitable mass references. Calibration of the peak matching unit voltage offset allows the use of a single reference mass for exact mass calculation.</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1983-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85123-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73015227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
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