The overall goal of this thesis was the development of fast immunological methods for the detection of mycotoxins in crops and of polycyclic aromatic hydrocarbons (PAHs) in water intended for human consumption. The main focus of the qualitative and quantitative determination of mycotoxins was on the development of a new detection method. Therefore a chemiluminescence microarray for the detection of aflatoxins and ochratoxin A in crops was successfully produced and validated. For the detection of PAHs in drinking water the emphasis was on the development of new affine antibodies. In addition to highly affine monoclonal antibodies, new recombinant antibodies (single chain variable fragments) were developed for the first time.
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