2014
DOI: 10.1016/j.toxicon.2014.03.010
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Extended evaluation of polymeric and lipophilic sorbents for passive sampling of marine toxins

Abstract: Marine biotoxins are algal metabolites that can accumulate in fish or shellfish and render these foodstuffs unfit for human consumption. These toxins, released into seawater during algal occurrences, can be monitored through passive sampling. Acetone, methanol and isopropanol were evaluated for their efficiency in extracting toxins from algal biomass. Isopropanol was chosen for further experiments thanks to a slightly higher recovery and no artifact formation. Comparison of Oasis HLB, Strata-X, BondElut C18 an… Show more

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Cited by 38 publications
(47 citation statements)
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“…Therefore, the SPATT sample was presumed to contain significantly less matrix components and the observation of lower matrix effects from SPATT than from mussel samples may be attributed, at least in part, to this difference. Previous studies have demonstrated the ability of passive samplers to accumulate biotoxins quite effectively [30,33,47]. Since our study clearly shows that passive sampler matrix causes much less matrix effects, we would recommend this technique for non-targeted studies as a complementary tool useful to toxin discovery or dereplication.…”
Section: Toxinmentioning
confidence: 65%
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“…Therefore, the SPATT sample was presumed to contain significantly less matrix components and the observation of lower matrix effects from SPATT than from mussel samples may be attributed, at least in part, to this difference. Previous studies have demonstrated the ability of passive samplers to accumulate biotoxins quite effectively [30,33,47]. Since our study clearly shows that passive sampler matrix causes much less matrix effects, we would recommend this technique for non-targeted studies as a complementary tool useful to toxin discovery or dereplication.…”
Section: Toxinmentioning
confidence: 65%
“…Alexandrium ostenfeldii (A. ostenfeldii) extract containing 13,19-didesmethyl spirolide C (13,19-didesme-SPX-C) and Ostreopsis ovata (O. ovata) extract containing ovatoxin-a (OvTX-a) were obtained from Ifremer as previously described [33,37]. Those extracts were mixed with some of the abovementioned certified and in-house reference toxin calibration solutions as well as the mussel extract from Bruckless to obtain a composite multi-toxin sample, used for optimization of chromatographic separation.…”
Section: Chemicals and Reagentsmentioning
confidence: 99%
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“…Their systematic evaluations also indicate the usefulness of the commercially available polymeric Oasis HLB and Strata-X sorbents in laboratory and field studies for various microalgal toxins. It was concluded that Strata-X and Oasis HLB are fast accumulators and better for daily or on-board evaluation of toxin presence, whereas HP-20 should be more appropriate for long exposure period (>5 days) [39].…”
Section: New Sampling and Sample Preparation Techniques For Algal Toxinsmentioning
confidence: 99%