About: Multimodal Action and Selective Toxicity of Zerovalent Iron Nanoparticles against Cyanobacteria

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Cyanobacteria pose a serious threat to water resources around the world. This is compounded by the fact that they are extremely resilient, having evolved numerous protective mechanisms to ensure their dominant position in their ecosystem. We show that treatment with nanoparticles of zero-valent iron (nZVI) is an effective and environmentally benign method for destroying and preventing the formation of cyanobacterial water blooms. The nanoparticles have multiple modes of action, including the removal of bioavailable phosphorus, the destruction of cyanobacterial cells, and the immobilization of microcystins, preventing their release into the water column. Ecotoxicological experiments showed that nZVI is a highly selective agent, having an EC50 of 50 mg/L against cyanobacteria; this is 20-100 times lower than its EC50 for algae, daphnids, water plants, and fishes. The primary product of nZVI treatment is non-toxic and highly aggregated Fe(OH)3, which promotes flocculation and gradual settling of the decomposed cyanobacterial biomass. Cyanobacteria pose a serious threat to water resources around the world. This is compounded by the fact that they are extremely resilient, having evolved numerous protective mechanisms to ensure their dominant position in their ecosystem. We show that treatment with nanoparticles of zero-valent iron (nZVI) is an effective and environmentally benign method for destroying and preventing the formation of cyanobacterial water blooms. The nanoparticles have multiple modes of action, including the removal of bioavailable phosphorus, the destruction of cyanobacterial cells, and the immobilization of microcystins, preventing their release into the water column. Ecotoxicological experiments showed that nZVI is a highly selective agent, having an EC50 of 50 mg/L against cyanobacteria; this is 20-100 times lower than its EC50 for algae, daphnids, water plants, and fishes. The primary product of nZVI treatment is non-toxic and highly aggregated Fe(OH)3, which promotes flocculation and gradual settling of the decomposed cyanobacterial biomass. (en)
Title	Multimodal Action and Selective Toxicity of Zerovalent Iron Nanoparticles against Cyanobacteria Multimodal Action and Selective Toxicity of Zerovalent Iron Nanoparticles against Cyanobacteria (en)
skos:prefLabel	Multimodal Action and Selective Toxicity of Zerovalent Iron Nanoparticles against Cyanobacteria Multimodal Action and Selective Toxicity of Zerovalent Iron Nanoparticles against Cyanobacteria (en)
skos:notation	RIV/61989592:15310/12:33118831!RIV13-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0512), P(1M0571), P(ED2.1.00/03.0058), P(FR-TI3/196), P(KAN115600801), P(QH81012), Z(AV0Z60050516), Z(MSM6198959218)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Zbořil, Radek Tuček, Jiří Mašláň, Miroslav Šafářová, Klára
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	152406
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/12:33118831
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Zero-valent iron nanoparticles, cyanobacteria, water treatment, precipitation, phosphate, photosynthesis, cell degradation, microcystin, iron uptake, iron hydroxide. (en)
http://linked.open.../riv/klicoveSlovo	phosphate iron uptake Zero-valent iron nanoparticles cyanobacteria precipitation water treatment microcystin cell degradation iron hydroxide. photosynthesis
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[F91DDE7153EE]
http://linked.open...i/riv/nazevZdroje	Environmental Science & Technology
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Bioindication and revitalization of toxic and antropogenic substrates and water sources: application of cyano bacteria, algae, soil bacteria and symbiotic fungi Research center of powdered nanomaterials Advanced technologies for sanitary and toxicological treatment of wastewater plant outlet Regional Centre of Advanced Technologies and Materials New technologies of preparation and exploitation of iron oxide-based nanoparticles for environmental, industrial and medical applications The use of aeration technologies in the reduction cyanobacterial resting stages and nutrient bioavailability in reservoir sediments.
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Jančula, Daniel Maršálek, Blahoslav Maršálková, Eliška Tuček, Jiří Zbořil, Radek Mašláň, Miroslav Šafářová, Klára
http://linked.open...ain/vavai/riv/wos	000300465900046
http://linked.open...n/vavai/riv/zamer	Struktura, funkce a evoluce biodiversity fotoautotrofních organismů a hub: původ a příčiny jejich proměnlivosti, dynamika populací, společenstev a ekosystémů; využití vybraných výsledků k rozvoji Průhonického parku Komplexní sloučeniny a oxidy přechodných kovů s využitím v bioaplikacích a nanotechnologiích
issn	0013-936X
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/es2031483
http://localhost/t...ganizacniJednotka	15310

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