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  • Sorption and biotransformation of arsenate by water bloom forming cyanobacterial biomass (predominantly Microcystis sp.) has been studied in this work. Biomass coming from Brno dam reservoir was cultivated in river water enriched by arsenate for 6 days. Water and aqueous extracts of biomass were subjected to anion exchange chromatographic analysis (Hamilton PRP X-100 column, ammonium acetate mobile phase pH 6.0) with ICP-MS detection. Quantitative reduction of arsenate to arsenite was observed followed by biomethylation mainly to dimethylarsinate (DMA). Monomethylarsonate (MMA), DMA and both inorganic species were determined in biomass extract and water. Up to 56% of the original arsenate content in water has been methylated by cyanobacterial biomass. In addition to these species, some unknown As species were found in biomass. For identification of these species several methods based on chemical reactivity were applied.
  • Sorption and biotransformation of arsenate by water bloom forming cyanobacterial biomass (predominantly Microcystis sp.) has been studied in this work. Biomass coming from Brno dam reservoir was cultivated in river water enriched by arsenate for 6 days. Water and aqueous extracts of biomass were subjected to anion exchange chromatographic analysis (Hamilton PRP X-100 column, ammonium acetate mobile phase pH 6.0) with ICP-MS detection. Quantitative reduction of arsenate to arsenite was observed followed by biomethylation mainly to dimethylarsinate (DMA). Monomethylarsonate (MMA), DMA and both inorganic species were determined in biomass extract and water. Up to 56% of the original arsenate content in water has been methylated by cyanobacterial biomass. In addition to these species, some unknown As species were found in biomass. For identification of these species several methods based on chemical reactivity were applied. (en)
Title
  • Interaction of arsenate and cyanobacterial biomass (Microcystis sp.) Investigation of metabolites
  • Interaction of arsenate and cyanobacterial biomass (Microcystis sp.) Investigation of metabolites (en)
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  • Interaction of arsenate and cyanobacterial biomass (Microcystis sp.) Investigation of metabolites
  • Interaction of arsenate and cyanobacterial biomass (Microcystis sp.) Investigation of metabolites (en)
skos:notation
  • RIV/00216224:14310/08:00026410!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita
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  • Z(MSM0021622412)
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  • 372800
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  • RIV/00216224:14310/08:00026410
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  • arsenic; cyanobacteria; biotransformation; speciation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [F85623DA3EDF]
http://linked.open...v/mistoKonaniAkce
  • Gdansk, PL
http://linked.open...i/riv/mistoVydani
  • Gdansk, PL
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  • 35th ISEAC
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http://linked.open...iv/tvurceVysledku
  • Čmelík, Jiří
  • Machát, Jiří
  • Konečná, Marie
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
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  • IAEAC
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  • 978-83-925754-4-3
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  • 14310
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