Letteratura scientifica selezionata sul tema "Cyanobacteria Toxicology"

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Articoli di riviste sul tema "Cyanobacteria Toxicology"

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Rangel, Luciana M., Lúcia H. S. Silva, Elisabeth J. Faassen, Miquel Lürling, and Kemal Ali Ger. "Copepod Prey Selection and Grazing Efficiency Mediated by Chemical and Morphological Defensive Traits of Cyanobacteria." Toxins 12, no. 7 (July 21, 2020): 465. http://dx.doi.org/10.3390/toxins12070465.

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Abstract (sommario):
Phytoplankton anti-grazer traits control zooplankton grazing and are associated with harmful blooms. Yet, how morphological versus chemical phytoplankton defenses regulate zooplankton grazing is poorly understood. We compared zooplankton grazing and prey selection by contrasting morphological (filament length: short vs. long) and chemical (saxitoxin: STX- vs. STX+) traits of a bloom-forming cyanobacterium (Raphidiopsis) offered at different concentrations in mixed diets with an edible phytoplankton to a copepod grazer. The copepod selectively grazed on the edible prey (avoidance of cyanobacter
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Andeden, Enver Ersoy, Sahlan Ozturk, and Belma Aslim. "Antiproliferative, neurotoxic, genotoxic and mutagenic effects of toxic cyanobacterial extracts." Interdisciplinary Toxicology 11, no. 4 (December 1, 2018): 267–74. http://dx.doi.org/10.2478/intox-2018-0026.

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Abstract Cyanobacteria are the rich resource of various secondary metabolites including toxins with broad pharmaceutical significance. The aim of this work was to evaluate the antiproliferative, neurotoxic, genotoxic and mutagenic effects of cyanobacterial extracts containing Microcystin-LR (MCLR) in vitro. ELISA analysis results showed that MCLR contents of five cyanobacterial extracts were 2.07 ng/mL, 1.43 ng/mL, 1.41 ng/mL, 1.27 ng/mL, and 1.12 ng/mL for Leptolyngbya sp. SB1, Phormidium sp. SB4, Oscillatoria earlei SB5, Phormidium sp. SB2, Uncultured cyanobacterium, respectively. Phormidium
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Jalili, Farhad, Saber Moradinejad, Arash Zamyadi, Sarah Dorner, Sébastien Sauvé, and Michèle Prévost. "Evidence-Based Framework to Manage Cyanobacteria and Cyanotoxins in Water and Sludge from Drinking Water Treatment Plants." Toxins 14, no. 6 (June 15, 2022): 410. http://dx.doi.org/10.3390/toxins14060410.

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Abstract (sommario):
Freshwater bodies and, consequently, drinking water treatment plants (DWTPs) sources are increasingly facing toxic cyanobacterial blooms. Even though conventional treatment processes including coagulation, flocculation, sedimentation, and filtration can control cyanobacteria and cell-bound cyanotoxins, these processes may encounter challenges such as inefficient removal of dissolved metabolites and cyanobacterial cell breakthrough. Furthermore, conventional treatment processes may lead to the accumulation of cyanobacteria cells and cyanotoxins in sludge. Pre-oxidation can enhance coagulation e
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Dulić, Tamara, Zorica Svirčev, Tamara Palanački Malešević, Elisabeth J. Faassen, Henna Savela, Qingzhen Hao, and Jussi Meriluoto. "Assessment of Common Cyanotoxins in Cyanobacteria of Biological Loess Crusts." Toxins 14, no. 3 (March 16, 2022): 215. http://dx.doi.org/10.3390/toxins14030215.

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Abstract (sommario):
Cyanotoxins are a diverse group of bioactive compounds produced by cyanobacteria that have adverse effects on human and animal health. While the phenomenon of cyanotoxin production in aquatic environments is well studied, research on cyanotoxins in terrestrial environments, where cyanobacteria abundantly occur in biocrusts, is still in its infancy. Here, we investigated the potential cyanotoxin production in cyanobacteria-dominated biological loess crusts (BLCs) from three different regions (China, Iran, and Serbia) and in cyanobacterial cultures isolated from the BLCs. The presence of cyanoto
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Swartzendruber, Julie A., Rosalinda Monroy Del Toro, Ryan Incrocci, Nessa Seangmany, Joshua R. Gurr, Alejandro M. S. Mayer, Philip G. Williams, and Michelle Swanson-Mungerson. "Lipopolysaccharide from the Cyanobacterium Geitlerinema sp. Induces Neutrophil Infiltration and Lung Inflammation." Toxins 14, no. 4 (April 9, 2022): 267. http://dx.doi.org/10.3390/toxins14040267.

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Glucocorticoid-resistant asthma, which predominates with neutrophils instead of eosinophils, is an increasing health concern. One potential source for the induction of neutrophil-predominant asthma is aerosolized lipopolysaccharide (LPS). Cyanobacteria have recently caused significant tidal blooms, and aerosolized cyanobacterial LPS has been detected near the cyanobacterial overgrowth. We hypothesized that cyanobacterial LPS contributes to lung inflammation by increasing factors that promote lung inflammation and neutrophil recruitment. To test this hypothesis, c57Bl/6 mice were exposed intran
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Liyanage, H. M., D. N. Magana Arachchi, T. Abeysekara, and L. Guneratne. "Toxicology of freshwater cyanobacteria." Journal of Environmental Science and Health, Part C 34, no. 3 (May 26, 2016): 137–68. http://dx.doi.org/10.1080/10590501.2016.1193923.

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Ballot, Andreas, Thida Swe, Marit Mjelde, Leonardo Cerasino, Vladyslava Hostyeva, and Christopher O. Miles. "Cylindrospermopsin- and Deoxycylindrospermopsin-Producing Raphidiopsis raciborskii and Microcystin-Producing Microcystis spp. in Meiktila Lake, Myanmar." Toxins 12, no. 4 (April 7, 2020): 232. http://dx.doi.org/10.3390/toxins12040232.

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Abstract (sommario):
Meiktila Lake is a shallow reservoir located close to Meiktila city in central Myanmar. Its water is used for irrigation, domestic purposes and drinking water. No detailed study of the presence of cyanobacteria and their potential toxin production has been conducted so far. To ascertain the cyanobacterial composition and presence of cyanobacterial toxins in Meiktila Lake, water samples were collected in March and November 2017 and investigated for physico-chemical and biological parameters. Phytoplankton composition and biomass determination revealed that most of the samples were dominated by
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Schwarzenberger, Anke. "Negative Effects of Cyanotoxins and Adaptative Responses of Daphnia." Toxins 14, no. 11 (November 7, 2022): 770. http://dx.doi.org/10.3390/toxins14110770.

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Abstract (sommario):
The plethora of cyanobacterial toxins are an enormous threat to whole ecosystems and humans. Due to eutrophication and increases in lake temperatures from global warming, changes in the distribution of cyanobacterial toxins and selection of few highly toxic species/ strains are likely. Globally, one of the most important grazers that controls cyanobacterial blooms is Daphnia, a freshwater model organism in ecology and (eco)toxicology. Daphnia–cyanobacteria interactions have been studied extensively, often focusing on the interference of filamentous cyanobacteria with Daphnia’s filtering appara
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Dziga, Dariusz, Nada Tokodi, Damjana Drobac, Mikołaj Kokociński, Adam Antosiak, Jakub Puchalski, Wojciech Strzałka, Mariusz Madej, Zorica Svirčev, and Jussi Meriluoto. "The Effect of a Combined Hydrogen Peroxide-MlrA Treatment on the Phytoplankton Community and Microcystin Concentrations in a Mesocosm Experiment in Lake Ludoš." Toxins 11, no. 12 (December 11, 2019): 725. http://dx.doi.org/10.3390/toxins11120725.

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Abstract (sommario):
Harmful cyanobacteria and their toxic metabolites constitute a big challenge for the production of safe drinking water. Microcystins (MC), chemically stable hepatotoxic heptapeptides, have often been involved in cyanobacterial poisoning incidents. A desirable solution for cyanobacterial management in lakes and ponds would eliminate both excess cyanobacteria and the MC that they potentially produce and release upon lysis. Hydrogen peroxide (H2O2) has recently been advocated as an efficient means of lysing cyanobacteria in lakes and ponds, however H2O2 (at least when used at typical concentratio
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Khomutovska, Nataliia, Małgorzata Sandzewicz, Łukasz Łach, Małgorzata Suska-Malawska, Monika Chmielewska, Hanna Mazur-Marzec, Marta Cegłowska, et al. "Limited Microcystin, Anatoxin and Cylindrospermopsin Production by Cyanobacteria from Microbial Mats in Cold Deserts." Toxins 12, no. 4 (April 11, 2020): 244. http://dx.doi.org/10.3390/toxins12040244.

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Abstract (sommario):
Toxic metabolites are produced by many cyanobacterial species. There are limited data on toxigenic benthic, mat-forming cyanobacteria, and information on toxic cyanobacteria from Central Asia is even more scarce. In the present study, we examined cyanobacterial diversity and community structure, the presence of genes involved in toxin production and the occurrence of cyanotoxins in cyanobacterial mats from small water bodies in a cold high-mountain desert of Eastern Pamir. Diversity was explored using amplicon-based sequencing targeting the V3-V4 region of the 16S rRNA gene, toxin potential us
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Più fonti

Tesi sul tema "Cyanobacteria Toxicology"

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Froscio, Suzanne M. "Investigation of the mechanisms involved in cylindrospermopsin toxicity : hepatocyte culture and reticulocyte lysate studies." Title page, contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phf938.pdf.

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Abstract (sommario):
Bibliography: leaves 121-139. The aim of this study was to determine the extent to which protein synthesis inhibition, lowered glutathione (GSH) levels and toxin metabolism contribute to the toxicity of cyclindrospermopsin. Both hepatocyte cultures and reticulocyte lysates were utilized as in vitro tools of investigation. The findings imply that the inhibition of protein synthesis by direct action of the toxin cannot be considered a primary cause of hepatocyte cell death over an acute time frame. Cytochrome P450-derived metabolites may play a crucial role in cytotoxicity, and the toxicity proc
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Niyonzima, Francois Niyongabo. "Bioaccumulation and ecotoxicology of b-methylamino-l-alanine (BMAA) in model crop plants." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1475.

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Abstract (sommario):
Cyanobacteria are known to produce a variety of toxic compounds. β-N-methylamino-L-alanine (BMAA) is one of the neurotoxins produced by most cyanobacteria. BMAA has been implicated in amyotrophic lateral sclerosis / Parkinsonism dementia complex (ALS / PDC) and was suggested to contribute to this pathology after biomagnification and slow release of BMAA from a protein associated form. The uptake and accumulation of BMAA by the aquatic macrophyte Ceratophyllum demersum has recently been shown, but the consumption of aquatic macrophytes by humans is not typical. The uptake by, and accumulation i
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Humpage, Andrew Raymond. "Tumour promotion by the cyanobacterial toxin microcystin /." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phh9258.pdf.

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Giles, Jonathan. "Mathematical modelling of the development of cyanobacteria (blue-green algae) in an eutrophical lake, including aspects of toxicology." Thesis, University of South Wales, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284893.

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Brookes, Justin Dean. "The influence of nutrients and light on the metabolic activity and buyoancy of Microcystis aeruginosa and Anabaena circinalis /." Title page, contents and summary only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phb8711.pdf.

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Sampaio, Joseane. "Cianopeptídeos inibidores de proteases produzidos por cianobactérias brasileiras." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/9/9141/tde-08032013-153415/.

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Abstract (sommario):
As cianobactérias são micro-organismos reconhecidos por seu potencial em produzir cianotoxinas que afetam não só o ecossistema e a outros organismos dos ambientes aquáticos, mas também aos seres humanos, agindo em diversos órgãos e tecidos. Cerca de 600 metabólitos secundários produzidos por cianobactérias já foram descritos na literatura, sendo que muitos deles possuem potencial biológico. Os peptídeos de baixo peso molecular, produzidos por cianobactérias chamados cianopeptídeos, dos quais se podem citar as anabaenopeptinas, aeruginosinas, microviridinas, cianopeptolinas e microgininas, são
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Zajac, Meron Petro. "Investigação da cilidrospermopsina e PSPs em amostras de águas superficiais no Estado de São Paulo (OU) Investigação da presença de cilindrospermopsina e saxitoxinas em amostras de águas superficiais no Estado de São Paulo." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/9/9141/tde-27102009-120004/.

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Abstract (sommario):
O crescimento desordenado das cidades tem trazido à tona problemas de saneamento e degradação dos recursos naturais, entre eles a água. O despejo de efluentes domésticos e industriais têm ocasionado a eutrofização dos mananciais, culminando com a proliferação dos fitoplânctons. Esta proliferação tem chegado ao ponto, em certos momentos, de acarretar episódios de floração de algas. Entre os organismos fitoplanctônicos que se desenvolvem no ambiente, estão as cianobactérias, com vários gêneros capazes de produzir diversas cianotoxinas, tais como as microcistinas, anatoxinas, cilindrospermopsinas
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Bortoli, Stella de. "Investigação da biossíntese de toxinas produzidas por cepas de cianobactérias." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/9/9141/tde-29092011-164054/.

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A demanda crescente de água doce de boa qualidade são problemas atuais e mundiais, além do descaso com os dejetos lançados nos ambientes aquáticos que comprometem a qualidade dos recursos hídricos. Um dos parâmetros que atesta a potabilidade da água é a presença de cianobactérias e cianotoxinas. Cianobactérias são microrganismos procariontes aeróbicos fotoautróficos que sintetizam as cianotoxinas. Estes compostos podem ser classificados de acordo com seus mecanismos de ação em hepatotóxicos, neurotóxicos e dermatotóxicos. Por sua diversidade, representam diferentes riscos não só ao ecossistema
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Müller, Luciana. "Avaliação da toxicidade e degradação de M. aeruginosa e Microcistina-LR por AOPs e nanopartículas de prata." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2601.

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Abstract (sommario):
Florações de cianobactérias são facilmente encontradas, devido ao crescente aporte de nutrientes nos corpos de águas naturais e artificiais, ocasionado pelos acelerados processos de eutrofização frutos da ocupação urbana e rural sem a observação de critérios mínimos. Microcystis aeruginosa é uma espécie de cianobactéria potencialmente produtora de cianotoxinas, comumente associada a casos de intoxicação em escala mundial. Novas tecnologias para o tratamento de água têm sido implementadas para cumprimento dos padrões de potabilidade exigidos pela legislação. O presente trabalho buscou analisar
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Norris, Ross L. G. "Toxicology of compounds from the cyanobacterium Cylindrospermopsis raciborskii /." [St. Lucia, Qld.], 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16950.pdf.

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Più fonti

Libri sul tema "Cyanobacteria Toxicology"

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Helén, Annadotter, ed. Manual on aquatic cyanobacteria: A photo guide and a synopsis of their toxicology. Paris, France: Intergovernmental Oceanographic Commission, Unesco, 2006.

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Organisation for Economic Co-operation and Development, ed. Freshwater alga and cyanobacteria: Growth inhibition test. Paris: Organisation for Economic Co-Operation and Development, 2006.

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Zurawell, Ron. Alberta Environment cyanotoxin program status report. Edmonton: Alberta Environment, Environmental Assurance Division, Water Policy Branch, 2010.

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Ferrao-Filho, Aloysio Da S. Cyanobacteria: Ecology, Toxicology and Management. Nova Science Publishers, Inc., 2013.

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Toxic Blue-Green Algae (Water Quality Series). Stationery Office Books (TSO), 1990.

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Australias Poisonous Plants Fungi And Cyanobacteria A Guide To Species Of Medical And Veterinary Importance. CSIRO Publishing, 2012.

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Giles, Jonathan. Mathematical modelling of the development of cyanobacteria (blue-green algae) in an eutrophical lake, including aspects of toxicology. 1998.

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The Research and Development Report (R & D Report: 29). Stationery Office Books, 1996.

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Algal Toxins in Seafood and Drinking Water. Academic Press, 1993.

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Falconer, Ian Robert. Algal Toxins in Seafood and Drinking Water. Academic Press, 1993.

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Capitoli di libri sul tema "Cyanobacteria Toxicology"

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Pipe, Annette E. "Pesticide Effects on Soil Algae and Cyanobacteria." In Reviews of Environmental Contamination and Toxicology, 95–170. New York, NY: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4613-9751-9_4.

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Metcalf, J. S., and N. R. Souza. "Cyanobacterial toxins." In A handbook of environmental toxicology: human disorders and ecotoxicology, 33–48. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781786394675.0033.

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Gupta, PK. "Bacterial and Cyanobacterial (Blue-Green Algae)." In Concepts and Applications in Veterinary Toxicology, 187–201. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22250-5_9.

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Chauhan, Abhishek, Anuj Ranjan, Rupesh Kumar Basniwal, and Tanu Jindal. "Cytotoxic and Antibiotic Properties of Cyanobacterial Extracts." In New Frontiers in Environmental Toxicology, 23–34. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72173-2_4.

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Codd, G. A., C. J. Ward, and S. G. Bell. "Cyanobacterial Toxins: Occurrence, Modes of Action, Health Effects and Exposure Routes." In Archives of Toxicology, 399–410. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60682-3_38.

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Duy, Tai Nguyen, Paul K. S. Lam, Glen R. Shaw, and Des W. Connell. "Toxicology and Risk Assessment of Freshwater Cyanobacterial (Blue-Green Algal) Toxins in Water." In Reviews of Environmental Contamination and Toxicology, 113–85. New York, NY: Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4757-6429-1_3.

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Porzani, Samaneh J., Stella T. Lima, James S. Metcalf, and Bahareh Nowruzi. "In Vivo and In Vitro Toxicity Testing of Cyanobacterial Toxins: A Mini-Review." In Reviews of Environmental Contamination and Toxicology, 109–50. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/398_2021_74.

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Hooser, Stephen B., and Patricia A. Talcott. "Cyanobacteria." In Small Animal Toxicology, 685–89. Elsevier, 2006. http://dx.doi.org/10.1016/b0-72-160639-3/50044-7.

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Puschner, Birgit, and Caroline Moore. "Cyanobacteria." In Small Animal Toxicology, 533–40. Elsevier, 2013. http://dx.doi.org/10.1016/b978-1-4557-0717-1.00043-0.

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Humbert, J. F. "Toxins of Cyanobacteria." In Handbook of Toxicology of Chemical Warfare Agents, 371–79. Elsevier, 2009. http://dx.doi.org/10.1016/b978-012374484-5.00027-4.

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Atti di convegni sul tema "Cyanobacteria Toxicology"

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Mankiewicz-Boczek, J., K. Izyorczyk, and T. Jurczak. "Risk assessment of toxic Cyanobacteria in Polish water bodies." In ENVIRONMENTAL TOXICOLOGY 2006. Southampton, UK: WIT Press, 2006. http://dx.doi.org/10.2495/etox060061.

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