Detection of time-resolved photoionization currents from pesticide-contaminated vegetation

Michal Kadosh; Vladimir V. Gridin; Israel Schechter

doi:10.1560/19QM-F8YJ-UN3F-KHUQ

Detection of time-resolved photoionization currents from pesticide-contaminated vegetation

Michal Kadosh, Vladimir V. Gridin, Israel Schechter^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Multiphoton-ionization fast-conductance (MPI-FC) was directly applied for detection of photoionization currents originated from pesticide traces irradiated by UV-laser. The principal methodology required for direct screening of pesticide traces deposited on various vegetational specimens was addressed. This approach was exemplified with 1,2,3,4,5,6-hexachlorocyclohexane and 3-amino-1,2,4-triazole, which are frequently found in agriculture-related industries. The range of pesticide concentrations covered was from 0.001 ng/mL to 1 mg/mL, and all measurements were carried out under ambient conditions. Our target vegetation substrates were sampled from the outdoors: grass, plant, and/or tree leaves. Neither material purification nor laborious extraction routines were utilized; thus employing MPI-FC for in situ/on-line monitoring of pesticide-contaminated vegetation is feasible.

Original language	English
Pages (from-to)	99-104
Number of pages	6
Journal	Israel Journal of Chemistry
Volume	41
Issue number	2
DOIs	https://doi.org/10.1560/19QM-F8YJ-UN3F-KHUQ
State	Published - 2001
Externally published	Yes

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title = "Detection of time-resolved photoionization currents from pesticide-contaminated vegetation",

abstract = "Multiphoton-ionization fast-conductance (MPI-FC) was directly applied for detection of photoionization currents originated from pesticide traces irradiated by UV-laser. The principal methodology required for direct screening of pesticide traces deposited on various vegetational specimens was addressed. This approach was exemplified with 1,2,3,4,5,6-hexachlorocyclohexane and 3-amino-1,2,4-triazole, which are frequently found in agriculture-related industries. The range of pesticide concentrations covered was from 0.001 ng/mL to 1 mg/mL, and all measurements were carried out under ambient conditions. Our target vegetation substrates were sampled from the outdoors: grass, plant, and/or tree leaves. Neither material purification nor laborious extraction routines were utilized; thus employing MPI-FC for in situ/on-line monitoring of pesticide-contaminated vegetation is feasible.",

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T1 - Detection of time-resolved photoionization currents from pesticide-contaminated vegetation

AU - Kadosh, Michal

AU - Gridin, Vladimir V.

AU - Schechter, Israel

PY - 2001

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N2 - Multiphoton-ionization fast-conductance (MPI-FC) was directly applied for detection of photoionization currents originated from pesticide traces irradiated by UV-laser. The principal methodology required for direct screening of pesticide traces deposited on various vegetational specimens was addressed. This approach was exemplified with 1,2,3,4,5,6-hexachlorocyclohexane and 3-amino-1,2,4-triazole, which are frequently found in agriculture-related industries. The range of pesticide concentrations covered was from 0.001 ng/mL to 1 mg/mL, and all measurements were carried out under ambient conditions. Our target vegetation substrates were sampled from the outdoors: grass, plant, and/or tree leaves. Neither material purification nor laborious extraction routines were utilized; thus employing MPI-FC for in situ/on-line monitoring of pesticide-contaminated vegetation is feasible.

AB - Multiphoton-ionization fast-conductance (MPI-FC) was directly applied for detection of photoionization currents originated from pesticide traces irradiated by UV-laser. The principal methodology required for direct screening of pesticide traces deposited on various vegetational specimens was addressed. This approach was exemplified with 1,2,3,4,5,6-hexachlorocyclohexane and 3-amino-1,2,4-triazole, which are frequently found in agriculture-related industries. The range of pesticide concentrations covered was from 0.001 ng/mL to 1 mg/mL, and all measurements were carried out under ambient conditions. Our target vegetation substrates were sampled from the outdoors: grass, plant, and/or tree leaves. Neither material purification nor laborious extraction routines were utilized; thus employing MPI-FC for in situ/on-line monitoring of pesticide-contaminated vegetation is feasible.

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M3 - 文章

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JO - Israel Journal of Chemistry

JF - Israel Journal of Chemistry

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Detection of time-resolved photoionization currents from pesticide-contaminated vegetation

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