NDLI: Development and Characterization of an Immunoaffinity Solid-Phase-Extraction Sorbent for Trace Analysis of Propanil and Related Phenylurea Herbicides in Environmental Waters and in Beverages

Content Provider	Springer Nature Link
Author	Pichon, V. Krasva, A. I. Hennion, M. C.
Copyright Year	2004
Abstract	An immunoaffinity solid-phase-extraction sorbent has been developed by raising polyclonal antibodies against propanil and covalently bonding them to activated silica. This immunosorbent (IS) had high affinity for propanil and for structurally related phenylurea herbicides whereas structurally related chloroanilines were retained only poorly. Studies of breakthrough volumes, capacity, and calibration ranges of selected pesticides showed that the antibodies have different affinities for each compound. Propanil and phenylureas could be quantitatively recovered by elution with methanol–water; average recoveries were close to 100%. The IS was also packed in a precolumn and coupled on-line to HPLC–UV. The high selectivity provided by the IS was demonstrated by comparing results with those obtained by use of a non-selective polymeric sorbent when both were used for direct extraction of propanil and phenylureas from a 50-mL sample of river-Seine water spiked at 0.1 μg L−1 or from lemon juice spiked at 50 μg L−1.
Starting Page	S221
Ending Page	S226
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	60
Issue Number	1
e-ISSN	16121112
Language	English
Publisher	Vieweg Verlag
Publisher Date	2004-04-02
Publisher Place	Wiesbaden
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Column liquid chromatography Solid-phase extraction Immunoaffinity Polyclonal antibodies Pesticides in water and food
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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