An in situ silver cationization method for hydrocarbon mass spectrometry
We have developed a novel cationization method for the analysis of long-chain hydrocarbons via UV laser desorption mass spectrometry. In this technique we electrospray a thin coating of AgNO 3 over a sample and perform UV laser desorption to produce Ag + cationization of sample molecules. Use of thi...
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| Veröffentlicht in: | Journal of the American Society for Mass Spectrometry 2005-04, Vol.16 (4), p.437-440 |
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| container_title | Journal of the American Society for Mass Spectrometry |
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| creator | Grace, Louis I. Abo-Riziq, Ali deVries, Mattanjah S. |
| description | We have developed a novel cationization method for the analysis of long-chain hydrocarbons via UV laser desorption mass spectrometry. In this technique we electrospray a thin coating of AgNO
3 over a sample and perform UV laser desorption to produce Ag
+ cationization of sample molecules. Use of this technique in our microscope/TOF-MS allows us to determine the spatial distribution of the species we detect in the sample. We demonstrate 8-μ spatial resolution, and submicron resolution is possible in principle. In mixed samples containing aromatic and aliphatic compounds, the aromatic compounds ionize directly and do not form adducts, and thus give single peaks as opposed to doublets from silver cations. This enables distinction between aromatic and aliphatic compounds that are in the same sample. |
| doi_str_mv | 10.1016/j.jasms.2004.12.011 |
| format | Article |
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3 over a sample and perform UV laser desorption to produce Ag
+ cationization of sample molecules. Use of this technique in our microscope/TOF-MS allows us to determine the spatial distribution of the species we detect in the sample. We demonstrate 8-μ spatial resolution, and submicron resolution is possible in principle. In mixed samples containing aromatic and aliphatic compounds, the aromatic compounds ionize directly and do not form adducts, and thus give single peaks as opposed to doublets from silver cations. This enables distinction between aromatic and aliphatic compounds that are in the same sample.</description><identifier>ISSN: 1044-0305</identifier><identifier>EISSN: 1879-1123</identifier><identifier>DOI: 10.1016/j.jasms.2004.12.011</identifier><identifier>PMID: 15792711</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Adducts ; Aliphatic compounds ; Aromatic compounds ; Cations ; Chemistry ; Desorption ; Exact sciences and technology ; Hydrocarbons ; Hydrocarbons, Aromatic - chemistry ; Ions ; Mass spectrometry ; Organic chemistry ; Reactivity and mechanisms ; Scientific imaging ; Silver ; Silver - chemistry ; Silver Nitrate - chemistry ; Spatial distribution ; Spatial resolution ; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - instrumentation ; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - methods ; Spectroscopy</subject><ispartof>Journal of the American Society for Mass Spectrometry, 2005-04, Vol.16 (4), p.437-440</ispartof><rights>2005 American Society for Mass Spectrometry</rights><rights>2005 INIST-CNRS</rights><rights>American Society for Mass Spectrometry 2005</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-85f4757e88d977e84e4f64656bc44f950a30fa581477e2b93f77b35a745609d93</citedby><cites>FETCH-LOGICAL-c415t-85f4757e88d977e84e4f64656bc44f950a30fa581477e2b93f77b35a745609d93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16650708$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15792711$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Grace, Louis I.</creatorcontrib><creatorcontrib>Abo-Riziq, Ali</creatorcontrib><creatorcontrib>deVries, Mattanjah S.</creatorcontrib><title>An in situ silver cationization method for hydrocarbon mass spectrometry</title><title>Journal of the American Society for Mass Spectrometry</title><addtitle>J Am Soc Mass Spectrom</addtitle><description>We have developed a novel cationization method for the analysis of long-chain hydrocarbons via UV laser desorption mass spectrometry. In this technique we electrospray a thin coating of AgNO
3 over a sample and perform UV laser desorption to produce Ag
+ cationization of sample molecules. Use of this technique in our microscope/TOF-MS allows us to determine the spatial distribution of the species we detect in the sample. We demonstrate 8-μ spatial resolution, and submicron resolution is possible in principle. In mixed samples containing aromatic and aliphatic compounds, the aromatic compounds ionize directly and do not form adducts, and thus give single peaks as opposed to doublets from silver cations. 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In this technique we electrospray a thin coating of AgNO
3 over a sample and perform UV laser desorption to produce Ag
+ cationization of sample molecules. Use of this technique in our microscope/TOF-MS allows us to determine the spatial distribution of the species we detect in the sample. We demonstrate 8-μ spatial resolution, and submicron resolution is possible in principle. In mixed samples containing aromatic and aliphatic compounds, the aromatic compounds ionize directly and do not form adducts, and thus give single peaks as opposed to doublets from silver cations. This enables distinction between aromatic and aliphatic compounds that are in the same sample.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>15792711</pmid><doi>10.1016/j.jasms.2004.12.011</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adducts Aliphatic compounds Aromatic compounds Cations Chemistry Desorption Exact sciences and technology Hydrocarbons Hydrocarbons, Aromatic - chemistry Ions Mass spectrometry Organic chemistry Reactivity and mechanisms Scientific imaging Silver Silver - chemistry Silver Nitrate - chemistry Spatial distribution Spatial resolution Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - instrumentation Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - methods Spectroscopy |
| title | An in situ silver cationization method for hydrocarbon mass spectrometry |
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