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A highly sensitive immunosensor using optical waveguide lightmode spectroscopy (OWLS) was developed for the detection of the herbicide trifluralin. OWLS as an in situ and label free method of detection, based on the measurement of the diffraction of a linearly polarized laser beam (He-Ne laser, 632.8nm) on a diffraction grating in a thin waveguide layer (SiO 2 -TiO 2 ), offered means...
Sensitive detection of pesticides is of utmost importance in environment and food analysis. Immunological methods are widely used to detect pesticides in agricultural and environmental samples wherein antibodies are employed against the target molecules. Accurate diagnosis depends on the affinity and specificity of the antibody preparation used, and high affinity antibodies are essential for the detection...
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