The waveguide Mach-Zender interferometer as atrazine sensor

E. F. Schipper, S. Rauchalles, R. P.H. Kooyman, B. Hock, J. Greve

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Immunoanalytical techniques used in combination with a highly sensitive Mach-Zender waveguide sensor give a device that is capable of fast on-line monitoring of immunoreactions. The on-line monitoring is especially attractive when the sensor can be used as an environmental probe. It is demonstrated that low concentrations of atrazine can be measured with a sensitivity around the EC limit of 100 ng/L. These measurements are performed with an inhibition technique. In combination with 'a dynamic slope method' one complete measurement is done within 10 min. Sensor measurements show the same sensitivity and errors as parallel ELISAs.

Original languageEnglish
Pages (from-to)1192-1197
Number of pages6
JournalAnalytical Chemistry
Volume70
Issue number6
DOIs
StatePublished - 15 Mar 1998

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