"Improved methods will be developed for isolation of lipophilic marine algal toxins (azaspiracids, pectenotoxins, yessotoxins and okadaic acid analogues) and their metabolites from algae and shellfish. Derivatives such as labelled analogues will also be produced. These materials will be used in collaborative studies to perform toxicology, identify toxin mode-of-action, and develop improved or vali ...