Methods for Determining Saxitoxin and Ricin: A Review

A review of publications on the development and improvement of methods for determining ricin and saxitoxin using various combinations and modifications of biochemical and immunospecific methods and also liquid chromatography–mass spectrometry is presented. Attention is focused on the importance of the choice of an analytical strategy and the optimization of sample preparation procedures and operation modes of analytical instruments. Published data on the selection of characteristic markers and methods for their determination are summarized.