Prof. Blahoslav Maršálek, Ph.D.

Prof. Blahoslav Maršálek, Ph.D.


  • cyanotoxins
  • cyanobacterial blooms
  • public relations


phone:+420 530 506 741


  • Ph.D. (Charles University, Prague, 1992)
  • Assoc. Prof. in Hydrobiology (Faculty of Science, Masaryk University, Brno, 2000)
  • Prof. in Chemistry and Technology of Environmental Protection (Institute of Chemical Technology, Prague, 2011)


Selected publications

International scientific journals:

  • Jiang, W., Chen, L., Batchu, S.R., Gardinali, P.R., Jasa, L., Marsalek, B., Zboril, R., Dionysiou, D.D., O’Shea, K.E., Sharma. V.K. (2014): Oxidation of microcystin-LR by ferrate(VI): Kinetics, degradation pathways, and toxicity assessments. Environmental Science and Technology 48(20): 12164-12172.
  • Markova, Z., Novak, P., Kaslik, J., Plachtova, P., Brazdova, M., Jancula, D., Machalova Siskova, K., Machala, L., Marsalek, B., Zboril, R., Varma, R. (2014): Iron(II,III)–polyphenol complex nanoparticles derived from green tea with remarkable ecotoxicological impact. ACS Sustainable Chemistry & Engineering 2(7): 1674-1680.
  • Mikula, P., Kalhotka, L., Jancula, D., Zezulka S., Korinkova, R., Cerny, J., Marsalek, B., Toman, P. (2014): Evaluation of antibacterial properties of novel phthalocyanines against Escherichia coli – Comparison of analytical methods. Journal of Photochemistry and Photobiology B-Biology 138: 230-239.
  • Jancula, D., Strakova, L., Sadilek, J., Marsalek, B., Babica, P. (2014): Survey of cyanobacterial toxins in Czech water reservoirs - the first observation of neurotoxic saxitoxins. Environmental Science and Pollution Research 21(13): 8006-8015.
  • Jancula, D., Mikula, P., Marsalek, B., Rudolf, P., Pochyly, F. (2014): Selective method for cyanobacterial bloom removal - hydraulic jet cavitation experience. Aquaculture International 22(2): 509-521.
  • Carpentier, C., Dahlhaus, A., van de Giesen, N., Marsalek, B. (2013): The influence of hard substratum reflection and calibration profiles on in situ fluorescence measurements of benthic microalgal biomass. Environmental Science: Processes & Impacts 15(4): 783-793.
  • Jancula, D., Marsalek, B., Babica, P. (2013): Photodynamic effects of 31 different phthalocyanines on a human keratinocyte cell line. Chemosphere 93(6): 870-874.
  • Adamek, Z., Marsalek, B. (2013): Bioturbation of sediments by benthic macroinvertebrates and fish and its implication for pond ecosystems: a review. Aquaculture International 21(1): 1-17.
  • Lukes, P., Clupek, M., Babicky, V., Spetlikova, E., Sisrova, I., Marsalkova, E., Marsalek, B. (2013): High power DC diaphragm discharge excited in a vapor bubble for the treatment of water. Plasma Chemistry and Plasma Processing 33(1 ): 83-95.
  • Jancula, D., Marsalek, B. (2012): Seven years from the first application of polyaluminium chloride in the Czech Republic - effects on phytoplankton communities in three water bodies. Chemistry and Ecology 28(6): 535-544.
  • Mikula, P., Zezulka S., Jancula, D., Marsalek, B. (2012): Metabolic activity and membrane integrity changes in Microcystis aeruginosa new findings on hydrogen peroxide toxicity in cyanobacteria. European Journal of Phycology 47(3): 195-206.
  • Jancula, D., Marsalek, B. (2012): The toxicity of phthalocyanines to the aquatic plant Lemna minor (duckweed) – Testing of 31 compounds. Chemosphere 88(8): 962-965.
  • Marsalek, B., Jancula, D., Marsalkova, E., Mashlan, M., Safarova, K., Tucek, J., Zboril, R. (2012): Multimodal action and selective toxicity of zerovalent iron nanoparticles against cyanobacteria. Environmental Science and Technology 46(4): 2316-2323.
  • Adamek, Z., Sikora, J., Blaha, L., Marsalek, B. (2011): Screening assessment of cyanobacterial embryotoxicity to Japanese medaka, Oryzias latipes (Actinopterygii: Beloniformes, Adrianichthyidae). Acta Ichthyologica et Piscatoria 41(4): 293-299.
  • Bartova, K., Hilscherova, K., Babica, P., Marsalek, B. (2011): Extract of Microcystis water bloom affects cellular differentiation in filamentous cyanobacterium Trichormus variabilis (Nostocales, Cyanobacteria). Journal of Applied Phycology 23(6): 967-973.
  • Bartova, K., Hilscherova, K., Babica, P., Marsalek, B., Blaha, L. (2011): Effects of microcystin and complex cyanobacterial samples on growth and oxidative stress paramaters in green alga Pseudokirchneriella subcapitata and comparison with the effects of model oxidative stressor, herbicide paraquat. Environmental Toxicology 26(6): 641-648.
  • Jancula, D., Marsalkova, E., Marsalek, B. (2011): Organic flocculants for the removal of phytoplankton biomass. Aquaculture International 19(6): 1207-1216.
  • Jancula, D., Marsalek, B. (2011): Critical review of actually available chemical compounds for prevention and management of cyanobacterial blooms. Chemosphere 85(9): 1415-1422.
  • Jancula, D., Mikula, P., Marsalek, B. (2011): Effects of polyaluminium chloride on the freshwater invertebrate Daphnia magna. Chemistry and Ecology 27(4): 351-357.
  • Jancula, D., Gregorova, J., Marsalek, B. (2010): Algicidal and cyanocidal effects of selected isoquinoline alkaloids. Aquaculture Research 41(4): 598-601.
  • Jancula, D., Marsalek, B., Novotna, Z., Cerny, J., Karaskova, M., Rakusan, J. (2009): In search of the main properties of phthalocyanines participating in toxicity against cyanobacteria. Chemosphere 77(11): 1520-1525.
  • Blahova, L., Oravec, M., Marsalek, B., Sejnohova, L., Simek, Z., Blaha, L. (2009): The first occurrence of the cyanobacterial alkaloid toxin cylindrospermopsin in the Czech Republic as determined by immunochemical and LC/MS methods. Toxicon 53(5): 519-524.
  • Jancula, D., Drabkova, M., Cerny, J., Karaskova, M., Korinkova, M., Rakusan, J., Marsalek, B. (2008): Algicidal activity of phthalocyanines - screening of 31 compounds. Environmental Toxicology 23(2): 218-223.
  • Gregor, J., Jancula, D., Marsalek, B. (2008): Growth assays with mixed cultures of cyanobacteria and algae assessed by in vivo fluorescence: One step closer to real ecosystems? Chemosphere 70(10): 1873-1878.
  • Mazurova, E., Hilscherova, K., Triebskorn, R., Kohler, H.R., Marsalek, B., Blaha, L. (2008): Endocrine regulation of the reproduction in crustaceans - identification of potential targets for toxicants and environmental contaminants. Biologia 63(2): 139-150.
  • Kohoutek, J., Babica, P., Blaha, L., Marsalek, B. (2008): A novel approach for monitoring of cyanobacterial toxins - development and evaluation of the passive sampler for microcystins. Analytical and Bioanalytical Chemistry 390(4): 1167-1172.
  • Jancula, D., Drabkova, M., Adamek, Z., Marsalek, B. (2008): Changes in the photosynthetic activity of Microcystis colonies after gut passage through Nile tilapia (Oreochromis niloticus) and silver carp (Hypophthalmichthys molitrix). Aquaculture Research 39(3): 311-314.
  • Bernardova, K., Babica, P., Marsalek, B., Blaha, L. (2008): Isolation and endotoxin activities of lipopolysaccharides from cyanobacterial cultures and complex water blooms and comparison with the effects of heterotrophic bacteria and green alga. Journal of Applied Toxicology 28(1): 72-77.
  • Adamovsky, O., Kopp, R., Hilscherova, K., Babica, P., Palikova, M., Paskova, V., Navratil, S., Marsalek, B., Blaha, L. (2007): Microcystin kinetics (bioaccumulation, elimination) and biochemical responses in common carp and silver carp exposed to toxic cyanobacterial blooms. Environmental Toxicology and Chemistry 26(12): 2687-2693.
  • Blahova, L., Babica, P., Marsalkova, E., Smutna, M., Marsalek, B., Blaha, L. (2007): Concentrations and seasonal trends of extracellular microcystins in freshwaters of the Czech Republic - results of the national monitoring program. CLEAN - Soil, Air, Water 35(4): 348-354.
  • Zounkova, R., Odraska, P., Dolezalova, L., Hilscherova K., Marsalek, B., Blaha, L. (2007): Ecotoxicity and genotoxicity assessment of cytostatic pharmaceuticals. Environmental Toxicology and Chemistry 26(10): 2208-2214.
  • Jancula, D., Suchomelova, J., Gregor, J., Smutna, M., Marsalek, B., Taborska, E. (2007): Effects of aqueous extracts from five species of the family Papaveraceae on selected aquatic organisms. Environmental Toxicology 22(5): 480-486.
  • Drabkova, M., Matthijs, H.C.P., Admiraal, W., Marsalek, B. (2007): Selective effects of H2O2 on cyanobacterial photosynthesis. Photosynthetica 45(3): 363-369.
  • Zahradnickova, H., Husek, P., Simek, P., Hartvich, P., Marsalek, B., Holoubek, I. (2007): Determination of D- and L-amino acids produced by cyanobacteria using gas chromatography on Chirasil-Val after derivatization with pentafluoropropyl chloroformate. Analytical and Bioanalytical Chemistry 388(8): 1815-1822.
  • Skocovska, B., Hilscherova, K., Babica, P., Adamovsky, O., Bandouchova, H., Horakova, J., Knotkova, Z., Marsalek, B., Paskova, V., Pikula, J. (2007): Effects of cyanobacterial biomass on the Japanese quail. Toxicon 49(6): 793-803.
  • Babica, P., Hilscherova, K., Bartova, K., Marsalek, B., Blaha, L. (2007): Effects of dissolved microcystins on growth of planktonic photoautotrophs. Phycologia 46(2): 137-142.
  • Welker, M., Sejnohova, L., Nemethova, D., van Dohren, H., Jarkovsky, J., Marsalek, B. (2007): Seasonal shifts in chemotype composition of Microcystis sp. communities in the pelagial and the sediment of a shallow reservoir. Limnology and Oceanography 52(2): 609-619.
  • Drabkova, M., Marsalek, B., Admiraal, W. (2007): Photodynamic therapy against cyanobacteria. Environmental Toxicology 22(1): 112-115.
  • Gregor, J., Marsalek, B., Sipkova, H. (2007): Detection and estimation of potentially toxic cyanobacteria in raw water at the drinking water treatment plant by in vivo fluorescence method. Water Research 41(1): 228-234.
  • Buryskova, B., Hilscherova, K., Babica, P., Vrskova, D., Marsalek, B., Blaha, L. (2006): Toxicity of complex cyanobacterial samples and their fractions in Xenopus laevis embryos and the role of microcystins. Aquatic Toxicology 80(4): 346-354.
  • Drabkova, M., Admiraal, W., Marsalek, B. (2006): Combined exposure to hydrogen peroxide and light - Selective effects on cyanobacteria, green algae, and diatoms. Environmental Science and Technology 41(1): 309-314.
  • Buryskova, B., Hilscherova, K., Blaha, L., Marsalek, B., Holoubek, I. (2006): Toxicity and modulations of biomarkers in Xenopus laevis embryos exposed to polycyclic aromatic hydrocarbons and their N-heterocyclic derivatives. Environmental Toxicology 21(1): 590-598.
  • Smid, R., Kubasek, M., Klimes, D., Dusek, L., Jarkovsky, J., Marsalek, B., Hilscherova, K., Blaha, L., Cupr, P., Holoubek, I. (2006): Web portal for management of bioindication methods and ecotoxicological tests in ecological risk assessment. Ecotoxicology 15(8): 623-627.
  • Pavlova, V., Babica, P., Todorova, D., Bratanova, Z., Marsalek B. (2006): Contamination of some reservoirs and lakes in Republic of Bulgaria by microcystins. Acta Hydrochimica et Hydrobiologica 34(5): 437-441.
  • Welker, M., Marsalek, B., Sejnohova, L., van Dohren, H. (2006): Detection and identification of oligopeptides in Microcystis (Cyanobacteria) colonies: Toward an understanding of metabolic diversity. Peptides 27(9): 2090-2103.
  • Babica, P., Kohoutek, J., Blaha, L., Adamovsky, O., Marsalek B. (2006): Evaluation of extraction approaches linked with ELISA and HPLC for analyses of microcystin-LR, -RR and -YR in freshwater sediments with different organic material content. Analytical and Bioanalytical Chemistry 385(8): 1545-1551.
  • Feldmannova, M., Hilscherova, K., Marsalek, B., Blaha, L. (2006): Effect of N-heterocyclic polyaromatic hydrocarbons (N-PAHs) on survival, reproduction and biochemicals parameters in Daphnia magna. Environmental Toxicology 21(4): 425-431.
  • Buryskova, B., Blaha, L., Vrskova, D., Simkova, K., Marsalek, B. (2006): Sublethal toxic effects and induction
    of glutathione S-transferase by short chain chlorinated paraffins (SCCPs) and C-12 alkane (dodecane) in Xenopus laevis frog embryo. Acta Veterinaria Brno 75(1): 115-122.
  • Babica P., Blaha L., Marsalek B. (2006): Exploring the natural role of microcystins - review of effects on photoautotrophic organisms. Journal of Phycology 42(1): 9-20.
  • Gregor, J., Geris, R., Marsalek, B., Hetesa, J., Marvan, P. (2006): In situ quantification of phytoplankton in reservoirs using a submersible spectrofluorometer. Hydrobiologia 548(1): 141-151.
  • Babica, P., Blaha, L., Marsalek, B. (2005): Removal of microcystins by phototrophic biofilms: a microcosm study. Environmental Science and Pollution Research 12(6): 369-374.
  • Gregor, J., Marsalek, B. (2005): A simple in vivo fluorescence method for the selective detection and quantification of freshwater cyanobacteria and eukaryotic algae. Acta Hydrochimica et Hydrobiologica 33(2): 142-148.
  • Marsalek, B., Blaha, L. (2004): Comparison of 17 biotests for detection of cyanobacterial toxicity. Environmental Toxicology 19(4): 310-317.
  • Gavel, A., Marsalek, B. (2004): A novel approach for phytotoxicity assessment by CCD fluorescence imaging. Environmental Toxicology 19(4): 429-432.
  • Palikova, M., Navratil, S., Krejci, R., Sterba, F., Tichy, F., Kubala, L., Marsalek, B., Blaha, L. (2004): Outcomes of repeated exposure of the carp (Cyprinus carpio L.) to cyanobacteria extract. Acta Veterinaria Brno 73(2): 259-265.
  • Palikova, M., Navratil, S., Tichy, F., Sterba, F., Marsalek, B., Blaha, L. (2004): Histopathology of carp (Cyprinus carpio L.) larvae exposed to cyanobacteria extract. Acta Veterinaria Brno 73(2): 253-258.
  • Gregor, J., Marsalek, B. (2004): Freshwater phytoplankton quantification by chlorophyll a: a comparative study of in vitro, in vivo and in situ methods. Water Research 38(3): 517-522.

Other publications:

  • Marsalek, B., Blaha, L., Turanek, J. (2001): Microcystin LR and total microcystins in Czech reservoirs during 1993-1998. In: Chorus I. (ed.): Cyanobacterial Toxins, Springer Verlag, Berlin, 2001, pp. 56-62.
  • Blaha, L., Marsalek, B. (2001): Dissolved microcystins in raw and treated drinking water in the Czech republic. In: Chorus I. (ed.): Cyanobacterial Toxins, Springer Verlag, Berlin, 2001, pp. 212-217.
  • Marsalek, B., Blaha, L .(2000): Microbiotests for cyanobacterial toxins prescreening. In: Persoone G., Jansen C., De Coen W. (eds.): New microbiotests for routine toxicity screening and biomonitoring, Kluwer/Plenum Acad. Press, pp. 519-526.
  • Rojickova, R., Marsalek, B. (2000): Selection of battery of assays for various purposes. In: Persoone G., Jansen C., De Coen W. (eds.): New microbiotests for routine toxicity screening and biomonitoring, Kluwer/ Plenum Acad.Press, pp. 95-101.
  • Lawton, L., Marsalek, B., Padisak, J., Chorus, I. (1999): Determination of cyanobacteria in the laboratory. In: Chorus, I. et Bartram, J. (eds.): Toxic cyanobacteria in water, London, pp. 347-367.
  • Marsalek, B. (1999): Impact on aquatic biota. In: Chorus, I. et Bartram, J. (eds.): Toxic cyanobacteria in water, London, p. 88-91.
  • Rojickova, R., Marsalek, B., Dutka, B., McInnis, R. (1998): Bioassays used for detection of ecotoxicity at contaminated areas. In: Fonnum F. (Ed.): Environmental contamination and remediation practices at former and present military bases. Kluwer Academic Publisher, 1998, pp. 227-232.


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