Zobrazeno 1 - 10
of 16
pro vyhledávání: '"J. M. E. Quirke"'
Publikováno v:
Analytical Chemistry. 66:1302-1315
Derivatization strategies and specific derivatization reactions for conversion of simple alkyl halides, alcohols, phenols, thiols, and amines to ionic or solution-ionizable derivatives, that is [open quotes]electrospray active[close quotes] (ES-activ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ff1a89cb4c8c6b2c45427bb9a53d98b
https://doi.org/10.1021/ac00080a016
https://doi.org/10.1021/ac00080a016
Autor:
J. M. E. Quirke, Craig J. Medforth, Kevin M. Smith, S. A. Majumder, Mathias O. Senge, M. Miura, John A. Shelnutt, J. D. Hobbs, L. Luo, Laurie D. Sparks
Publikováno v:
Journal of Raman Spectroscopy. 23:523-529
Non-planar conformational distortions have recently been implicated in the biological activity of porphyrins and related tetrapyrroles in proteins, and several studies have used highly substituted porphyrins to model these nonplanar conformational di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f7b1352c866700f315232faa85da1b5
https://doi.org/10.1002/jrs.1250231004
https://doi.org/10.1002/jrs.1250231004
Publikováno v:
Journal of natural products. 63(2)
The alcohols and phenols of oil of cloves, lemon oil, rose absolut, and oil of peppermint were derivatized with ferroceneoyl azide to generate their ferroceneoyl carbamates. These derivatives are selectively detected at the attomole level, in nanomol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3632fb51d27f0c32eb22ccd0c454ef6
https://pubmed.ncbi.nlm.nih.gov/10691715
https://pubmed.ncbi.nlm.nih.gov/10691715
Publikováno v:
Analytical chemistry. 70(8)
In this paper, the use of ferrocene-based "electrochemically ionizable" derivatives to enhance ES-MS analysis of simple alcohols, sterols, and phenols is discussed. These derivatives are designed to take advantage of the electrolysis process inherent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13e58ffa3d7446827edaf90cf8d048f4
https://pubmed.ncbi.nlm.nih.gov/9569764
https://pubmed.ncbi.nlm.nih.gov/9569764
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 31:584-587
A system utilizing the combination of time of flight and quadrupole mass spectrometery is described. The system is used to determine if a mass peak in the spectrum resulting from mass analyis of a molecular beam is due to the breakup of a molecule in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7078e9b823360bb2ed3a3cef67ba686
https://doi.org/10.1016/0168-583x(88)90459-4
https://doi.org/10.1016/0168-583x(88)90459-4
Publikováno v:
Propellants, Explosives, Pyrotechnics. 14:76-81
The initial stages of the decomposition of 1,4-butanediammonium dinitrate (BDD) were investigated using a molecular beam sampling time-of-flight-quadrupole mass spectrometer system. Experimental results are consistent with the hypothesis that the com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3afc96866e0e19ef474ef9d88fa98c46
https://doi.org/10.1002/prep.19890140206
https://doi.org/10.1002/prep.19890140206
Autor:
Simon C. Brassell, J. M. E. Quirke, P.A. Comet, J. McEvoy, John K. Volkman, James R. Maxwell, Geoffrey Eglinton
Publikováno v:
Initial Reports of the Deep Sea Drilling Project, 50
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fa30ac083330c221a13016cc58545fe
https://doi.org/10.2973/dsdp.proc.50.129.1980
https://doi.org/10.2973/dsdp.proc.50.129.1980
Publikováno v:
Heterocyclic Chemistry ISBN: 9780851868233
Heterocyclic Chemistry ISBN: 9780851868134
Heterocyclic Chemistry ISBN: 9780851868332
Heterocyclic Chemistry ISBN: 9780851868134
Heterocyclic Chemistry ISBN: 9780851868332
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69d919ec55084aab2f5d12110695c496
https://doi.org/10.1039/9781847557209-00345
https://doi.org/10.1039/9781847557209-00345
ChemInform Abstract: PETROPORPHYRINS. 1. PRELIMINARY CHARACTERIZATION OF THE PORPHYRINS OF GILSONITE
Publikováno v:
Chemischer Informationsdienst. 11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::809a493ac2d0bdbd1c8180512670daab
https://doi.org/10.1002/chin.198012340
https://doi.org/10.1002/chin.198012340
The thermal decomposition of BDD has been observed in a TOF- quadrupole tandem mass spectrometer system. The major ion products observed were 30, 41, 43, and 46 amu. All of the data obtained in the present study indicate that, under vacuum, BDD therm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::389605621b0ff7f1abf2ed152ce9f810
https://doi.org/10.21236/ada190392
https://doi.org/10.21236/ada190392