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Cyanotoxins: Occurrence, Causes, Consequences by Dr. Ingrid Chorus (auth.), Dr. Ingrid Chorus (eds.)

By Dr. Ingrid Chorus (auth.), Dr. Ingrid Chorus (eds.)

Toxic cyanobacteria are more and more recognized as a possible risk in water for human use. the hot availability of tools for quantitative screening is resulting in a surge of analysis on their incidence. This booklet provides a unique compilation of intensive screening effects displaying the cyanotoxin degrees that could be anticipated while convinced taxa dominate. those effects point out cyanotoxins to be the main common one of the chemical compounds of shock in water used for ingesting and activity. It extra combines box info with effects from laboratory tradition experiments to signify a unifying view of ways environmental elements regulate the cyanotoxin degrees in normal waters. a realistic part is devoted to the publicity of people via drinking-water and recreation.

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Extra info for Cyanotoxins: Occurrence, Causes, Consequences

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45 /lm; Schleicher and Schuell, Germany). Intracellular (or cell-bound) anatoxin-a was analyzed from the filters and extracellular anatoxin-a was extracted from the filtrate. Analysis was conducted with the highly sensitive method described by Bumke-Yogt et al. (1996), which is based on derivatization to N-pentafluorobenzyl-anatoxin-a and electron capture detection. By performing gas chromatography with three capillary columns of different polarity, unambiguous identification is possible, and further confirmation with CG-MS in SIM modus was 38 2 Cyanotoxin Occurrence in Freshwaters carried out for selected samples.

Spp M. spp. a. r. spp. spp. = different species ofMicrocystis. a. = Planktothrix agardhii. r. = Planktothrix rubescens. spp. 1 Cyanotoxin Occurrence in Germany The majority of all samples was either dominated by other cyanobacteria (240 samples, 37%) or by other phytoplankton (214 samples, 33%). Frequency of Hepatocyte Toxicity Ofthe total of 443 samples tested, 42% were toxic to primary hepatocytes (Table 1). Notably, toxicity was detected in all ofthe samples dominated by Planktothrix agardhii or P.

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