Microcystins and Other Blue-Green Algae Toxins Analyzed in Fish and Sediments from Washington Lakes
Microcystins and Other Blue-Green Algae Toxins Analyzed in Fish and Sediments from Washington Lakes (Number of pages: 58) (Publication Size: 1159KB)
|Author(s)||Johnson, A., M. Friese, and R. Coots|
|Description||Microcystins and other blue-green algae toxins were analyzed in fish and sediment samples collected from nine Washington lakes with recurrent toxic algae blooms. The samples were analyzed by enzyme-linked immunosorbent assay (ELISA) and liquid chromatography/mass spectrometry/mass spectrometry (LC/MS/MS).
Microcystins or microcystin-like compounds were elevated in fish liver relative to other tissues. Microcystin-LA (MC-LA) was the only variant specifically detected in fish among the nine microcystins analyzed by LC/MS/MS. The detections were in four fish liver samples. Fish fillets showed no accumulation of the microcystins targeted in this analysis. MC-LA and MC-LR residues were found in the lake sediment samples. The other blue-green toxins analyzed – anatoxin-a, saxitoxin, domoic acid, and okadaic acid – were not detected in fish or sediment.
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|Contact||Art Johnson at 360-407-6766 or firstname.lastname@example.org|
|Keywords||saxitoxin, anatoxin, blue-green algae, microcystin, fish tissue, sediment, cyanobacteria|
|WEB PAGE||Toxics studies|
|WATERSHED||Water Resource Inventory Areas
(WRIA 03,WRIA 07,WRIA 12,WRIA 13,WRIA 15,WRIA 17,WRIA 23,WRIA 53)
|DATA||Environmental Information Management (EIM) #AJOH0061
Quality Assurance Project Plan: Blue-Green Algae Toxins in Fish and Sediment from Washington Lakes: Microcystins and Saxitoxin
Blue-Green Algae Toxins in Washington Lakes: Screening Fish Tissue for Microcystins and Anatoxin-a
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