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Hydrophilic interaction liquid chromatography-tandem mass spectrometry (HILIC-MS/MS) method was validated with algal samples for verification and quantification of saxitoxin (STX), a potent neurotoxin which is listed in the Chemical Weapons Convention (CWC) in Schedule 1A. Isocratic elution, conventional bore HILIC column and high flow rate together with(More)
As a part of the project for screening unequivocal biomarkers after sulfur mustard exposure, a quantitative method for the determination of β-lyase metabolites 1,1'-sulfonylbis-[2-(methylsulfinyl)ethane] (SBMSE) and 1-methylsulfinyl-2-[2-(methylthio)ethylsulfonyl]ethane (MSMTESE) was validated. Full validation was conducted according to the FDA guidelines(More)
RATIONALE Sulfur mustard is a chemical warfare agent (CWA) with high toxicity and complex metabolism. This study aimed at identification of new metabolic biomarkers for sulfur mustard using in in vitro exposures and various mass spectrometric techniques. METHODS Human and pig liver subcellular fractions were used as biocatalysts. Metabolites were screened(More)
Incapacitating and irritating agents produce temporary disability persisting for hours to days after the exposure. One can be exposed to these agents occupationally in industrial or other working environments. Also general public can be exposed in special circumstances, like industrial accidents or riots. Incapacitating and irritating agents discussed in(More)
.............................................................................................................. 4 ACKNOWLEDGEMENTS ......................................................................................... 5 CONTENTS ............................................................................................................... 6 LIST OF(More)
Capsaicin and dihydrocapsaicin are the major active components in pepper spray products, which are widely used for law enforcement and self-protection. The use of pepper sprays, due to their irreversible and other health effects has been under a strong debate. In this study, we compared metabolism and cytotoxicity of capsaicin and dihydrocapsaicin using(More)
Chloropicrin (trichloronitromethane) is a widely used soil fumigant and an old chemical warfare agent. The metabolism of chloropicrin is not well known in mammals but nitromethane has been shown to be one of its main metabolites. Here, a fast and simple headspace gas chromatography with mass spectrometry method was applied for the measurement of(More)
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