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J Chromatogr A


Title:Monitoring of isothiocyanates emanating from Arabidopsis thaliana upon paraquat spraying
Author(s):Vercammen J; Pham-Tuan H; Arickx I; Van der Straeten D; Sandra P;
Address:"Department of Organic Chemistry, Ghent University, Gent, Belgium"
Journal Title:J Chromatogr A
Year:2001
Volume:912
Issue:1
Page Number:127 - 134
DOI: 10.1016/s0021-9673(01)00558-1
ISSN/ISBN:0021-9673 (Print) 0021-9673 (Linking)
Abstract:"Arabidopsis thaliana plants were sprayed with the superoxide-generating herbicide paraquat. The headspace of sprayed plants was characterized by a number of compounds, which were absent in the headspace of untreated plants. They were identified as isothiocyanates (ITCs) with 4-methylthiobutyl isothiocyanate as main compound. After identification, a GC-system, based on PDMS sorption, was used to continuously monitor the ITC emissions. The specificity of isothiocyanate emission was also determined by subjecting the Arabidopsis thaliana plants to in vitro mechanical wounding. Again, 4-methylthiobutyl isothiocyanate was the main component, but the emission profile was completely different since the compound was emitted immediately, i.e., during wounding itself"
Keywords:Arabidopsis/*chemistry Gas Chromatography-Mass Spectrometry *Herbicides Isothiocyanates/*analysis *Paraquat Volatilization;
Notes:"MedlineVercammen, J Pham-Tuan, H Arickx, I Van der Straeten, D Sandra, P eng Research Support, Non-U.S. Gov't Netherlands 2001/04/20 J Chromatogr A. 2001 Mar 30; 912(1):127-34. doi: 10.1016/s0021-9673(01)00558-1"

 
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