Detection of low molecular weight toxins using an optical phase method of ellipsometry

NABOK, A., TSARGORODSKAYA, A., MUSTAFA, M. K., SZÉKÁCS, I., STARODUB, N. F. and SZÉKÁCS, A. (2011). Detection of low molecular weight toxins using an optical phase method of ellipsometry. Sensors and Actuators B-Chemical, 154 (2), 232-237.

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The method of total internal reflection ellipsometry (TIRE), which records simultaneously two parameters Δ and Ψ related to the amplitudes and phases of p- and s-components of polarised light, respectively, was exploited here for detection of mycotoxins (T-2 and zearalenone). The above mycotoxins in sub-ppb concentrations were detected using TIRE in both direct and competitive immunoassay. The study of immune reaction kinetics allowed the evaluation of adsorption/desorption rates and the association constant for zearalenone. The investigation of grain products samples revealed the presence of high concentrations of T-2 (>600 ng/ml) in mould products.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Advanced Coatings and Composites Research Centre > Electronic Materials and Sensors Research Group
Identification Number:
Page Range: 232-237
Depositing User: Ann Betterton
Date Deposited: 16 Feb 2011 13:33
Last Modified: 18 Mar 2021 21:00

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