A polarization fluorescence immunoassay for the herbicide propanil

A. I. Krasnova, S. A. Eremin, M. Natangelo, S. Tavazzi, E. Benfenati

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

A rapid, homogeneous polarization fluorescence immunoassay (PFIA) has been developed for herbicide propanil. Polyclonal antiserum were raised in rabbits using 3,4-dichloroaniline coupled to succinylated bovine serum albumin (BSA) as immunogen. The various haptens and fluorescein-labeled tracers were synthesized to achieve high-sensitivity PFIA. The method can detect propanil concentrations in the range 1-100ng/mL in 50μL of sample. Analysis of one sample takes less then 1 min. In order to achieve better sensitivity a preconcentration step is possible and has been done for the low concentration samples. The use of SPE was suitable to enrich the sample, allowing measuring water samples at the limit required at EC Directive (permitted residue level in water: 0.1 ng/ml). The specificity of the PFIA for propanil was investigated using chloranilines, phenylureas, and other pesticides. Some cross-reactivity was found for closely related phenylureas (13-18%), but the major metabolite 3,4-dichloroaniline had negligible cross-reactivity (0.1%). SPE-PFIA and SPME-GC-MS showed a good correlation, when testing propanil in drinking water.

Original languageEnglish
Pages (from-to)2285-2301
Number of pages17
JournalAnalytical Letters
Volume34
Issue number13
DOIs
Publication statusPublished - 2001

Fingerprint

Propanil
Fluorescence Polarization Immunoassay
Herbicides
Fluorescence
Polarization
Water
Haptens
Bovine Serum Albumin
Metabolites
Pesticides
Fluorescein
Potable water
Drinking Water
Immune Sera
Rabbits
Testing

Keywords

  • Herbicides
  • Polarization fluorescence immunoassay
  • Propanil
  • Specificity

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Analytical Chemistry

Cite this

A polarization fluorescence immunoassay for the herbicide propanil. / Krasnova, A. I.; Eremin, S. A.; Natangelo, M.; Tavazzi, S.; Benfenati, E.

In: Analytical Letters, Vol. 34, No. 13, 2001, p. 2285-2301.

Research output: Contribution to journalArticle

Krasnova, AI, Eremin, SA, Natangelo, M, Tavazzi, S & Benfenati, E 2001, 'A polarization fluorescence immunoassay for the herbicide propanil', Analytical Letters, vol. 34, no. 13, pp. 2285-2301. https://doi.org/10.1081/AL-100107295
Krasnova, A. I. ; Eremin, S. A. ; Natangelo, M. ; Tavazzi, S. ; Benfenati, E. / A polarization fluorescence immunoassay for the herbicide propanil. In: Analytical Letters. 2001 ; Vol. 34, No. 13. pp. 2285-2301.
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