Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Lionel R. Provost"'
Publikováno v:
Journal of Chromatography A. 912:291-299
An analytical method based on aqueous ultrasonic extraction and packed capillary liquid chromatography–electrospray mass spectrometry (LC–ESI–MS) analysis was developed and compared to an existing gas chromatography(GC)–MS based method for th
Publikováno v:
Journal of Chromatography A. 808:177-184
Packed capillary column liquid chromatography (LC)–electrospray mass spectrometry (ESI-MS) was used to identify munitions grade mustard hydrolysis products, including five longer chain diols, two partial hydrolysis products and three ether/thioethe
Publikováno v:
Rapid Communications in Mass Spectrometry. 10:805-810
Pyridinium and bis-pyridinium oxime salts are currently in use or under development for treatment of patients exposed to organophosphorus nerve agents. The low volatility and thermal lability of these compounds limits the number of mass spectrometric
Publikováno v:
Rapid Communications in Mass Spectrometry. 9:1038-1043
We report the electrospray (ESI) mass spectra of four fluoroquinolones, enoxacin, norfloxacin, ofloxacin and ciprofloxacin, a group of highly potent antibiotics that have not been previously characterized by this ionization technique. At low sampling
Publikováno v:
Rapid Communications in Mass Spectrometry. 9:597-603
The accurate molecular weights for a series of 37 unknown synthetic peptides, used in research studies involving synthetic vaccines, antibacterial peptides or the de novo design of helical peptides and proteins, were determined with a magnetic sector
Autor:
Lionel R. Provost, Paul A. D'Agostino
Publikováno v:
Journal of Chromatography A. 670:127-134
Daughter, parent and constant neutral loss spectra, and multiple reaction ion monitoring data were all evaluated for the detection and confirmation of phosphate esters during capillary column GC-MS-MS analysis with a hybrid tandem mass spectrometer.
Autor:
Lionel R. Provost, Paul A. D'Agostino
Publikováno v:
Journal of Chromatography A. 589:287-294
A procedure based on sequential hexane and dichloromethane extraction followed by trimethylsilyl derivatization and capillary column gas chromatographic-mass spectrometric (GC-MS) confirmation was developed for the verification of chemical warfare ag
Publikováno v:
Journal of chromatography. A. 840(2)
Packed capillary column liquid chromatography (LC)-electrospray mass spectrometry (ESI-MS) was used for the first time to detect and identify four common organophosphorus chemical warfare agents in aqueous samples. Aqueous samples containing the orga
Publikováno v:
Journal of chromatography. A. 837(1-2)
Packed capillary column liquid chromatography (LC)–electrospray mass spectrometry (ESI–MS) was used for the first time to detect and identify O-ethyl S-[2-(diisopropylamino)ethyl] methylphosphonothiolate (VX) and its degradation products, includi
Publikováno v:
Journal of chromatography. A. 800(1)
Liquid chromatography-high-resolution electrospray mass spectrometry (LC-ESI-MS) was investigated for the identification of known and unknown synthetic peptides in a research effort designed to evaluate the applicability of this and complementary MS