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Updated: Jan 5, 2026

Early Detection of Cyanobacterial Blooms and Associated Cyanotoxins using Fast Detection Strategy
Published on: February 25, 2021
Co-occurring dissolved algal toxins observed at multiple coastal sites in southern California via solid phase
Jayme Smith1, Alle A Y Lie2, Erica L Seubert2
1Department of Biological Sciences, University of Southern California, Los Angeles, CA, 90089, USA; Southern California Coastal Water Research Project, Costa Mesa, CA, 92626, USA.
Abstract:
Algal toxins (domoic acid, saxitoxin, okadaic acid) were monitored at seven locations off southern California using Solid Phase Adsorption Toxin Tracking. At least two types of toxins were found at all locations, with co-occurrence of two and three toxins in 12% and 10% of samples, respectively. This study expands our limited understanding of the simultaneous presence of multiple algal toxins along the coast and raises questions regarding the potential health ramifications of such co-occurrences.

