Disclosed are methods for the preparation and use of labeled AChE and
labeled AChE inhibitory conjugate compositions for detecting accumulation
of toxic materials such as organophosphates, insecticides, and other
nerve agents. Also disclosed are methods for the use of labeled AChE and
labeled AChE inhibitory conjugate compositions in a variety of areas,
including the detecting of toxic materials in biological samples, in the
area of food and water analysis, in environmental monitoring, and in
industrial settings.