Browsing NIVA Open Access Archive by Author "Sandvik, Morten"
Now showing items 1-3 of 3
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Diversity of cyanobacteria and cyanotoxins in Hartbeespoort Dam, South Africa
Ballot, Andreas; Sandvik, Morten; Rundberget, Thomas; Botha, Christo J.; Miles, Christopher O. (Journal article; Peer reviewed, 2014)The South African Hartbeespoort Dam is known for the occurrence of heavy Microcystis blooms. Although a few other cyanobacterial genera have been described, no detailed study on those cyanobacteria and their potential toxin ... -
Fast and accurate on-site determination of rotenone in water during fish control treatments using liquid chromatography
Sandvik, Morten; Waaler, Thor Arnulf; Rundberget, Thomas; Adolfsen, Pål; Bardal, Helge; Sandodden, Roar (Journal article; Peer reviewed, 2018)A fast, accurate and simple method using liquid chromatography (LC) with UV detection was used for the on-site determination of the piscicide rotenonein water during fish control treatments. Sample volumes of 10 to 40 µL ... -
Identification of 24-O-β-d-Glycosides and 7-Deoxy-Analogues of Okadaic Acid and Dinophysistoxin-1 and -2 in Extracts from Dinophysis Blooms, Dinophysis and Prorocentrum Cultures, and Shellfish in Europe, North America and Australasia
Wilkins, Alistair L.; Rundberget, Thomas; Sandvik, Morten; Rise, Frode; Knudsen, Brent K.; Kilcoyne, Jane; Reguera, Beatriz; Rial, Pilar; Wright, Elliot J.; Giddings, Sabrina D.; Boundy, Michael J.; Rafuse, Cheryl; Miles, Christopher O. (Peer reviewed; Journal article, 2021)Two high-mass polar compounds were observed in aqueous side-fractions from the purification of okadaic acid (1) and dinophysistoxin-2 (2) from Dinophysis blooms in Spain and Norway. These were isolated and shown to be ...