Zobrazeno 1 - 10 of 42 pro vyhledávání: '"John J. Monaghan"'
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Tandem mass spectrometric study of the major fragmentation pathways of some non-ester pyrethroid insecticides having alkane, alkene and ether central linkages
Autor: John J. Monaghan, Ian A. Fleet
Publikováno v: Journal of Mass Spectrometry. 32:984-991
The non-ester pyrethroid MTI-800 which has an alkane central linkage has been studied using a tandem quadrupole mass spectrometer incorporating a hexapole collision cell under positive-ion electron ionization conditions. Other structurally related in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6342817c9f92819ef06ecae10c3216a2
https://doi.org/10.1002/(sici)1096-9888(199709)32:9<984::aid-jms555>3.0.co
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5
Microbore liquid chromatography–electrospray mass spectrometry of selected synthetic pyrethroid insecticides
Autor: John J. Monaghan, Gwyn A. Lord, Ian A. Fleet, D. B. Gordon
Publikováno v: The Analyst. 121:55-59
The pyrethroid insecticides kadethrin, α-cypermethrin, flucythrinate and SSI-116 have been studied by positive-ion electrospray mass spectrometry (+ESMS) in the presence of ammonium acetate and formic acid. Ammoniated molecule base peak ions [M + NH
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b41024cd2d5d144131fd53e0c0a2a3d
https://doi.org/10.1039/an9962100055
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6
Mass spectrometric evidence for the formation of silaethene accompanying the fragmentation of a non-ester silicon-containing pyrethroid insecticide
Autor: Lee W. Tetler, John J. Monaghan, Ian A. Fleet
Publikováno v: Journal of Mass Spectrometry. 30:617-624
The non-ester silicon-containing pyrethroid SSI-116 and its carbon analogue (ethofenprox, MTI-500) were investigated using a tandem quadrupole mass spectrometer incorporating a hexapole collision cell under positive-ion electron impact ionization con
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9630d09cbe161718a6567bd6dab6b250
https://doi.org/10.1002/jms.1190300413
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7
Study of the major fragmentation pathways of cypermethrin and related synthetic insecticides using tandem mass spectrometry
Autor: John J. Monaghan, Ian A. Fleet, Lee W. Tetler
Publikováno v: Organic Mass Spectrometry. 28:626-634
Fragmentation pathways of the synthetic pyrethroid cypermethrin and four structurally related insecticides were investigated using a tandem quadrupole mass spectrometer incorporating a hexapole collision cell under positive-ion electron impact ioniza
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b98e5899543310ec8b1da5a7e645ace
https://doi.org/10.1002/oms.1210280526
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10
Fragmentation of trimethoprim and other compounds containing alkoxy-phenyl groups in electrospray ionisation tandem mass spectrometry
Autor: John J. Monaghan, Jean-Claude Wolff, Christine Eckers
Publikováno v: European journal of mass spectrometry (Chichester, England). 11(1)
This work describes electrospray ionisation tandem mass spectrometry studies of trimethoprim and a series of structurally similar compounds containing alkoxy-phenyl groups, using accurate mass measurement to confirm the proposed fragmentations. Radic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77e3312422fb44092ca4ddd95b30b0cf
https://pubmed.ncbi.nlm.nih.gov/15947446
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