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Statements

Subject Item
n2:RIV%2F62156489%3A43210%2F11%3A00176063%21RIV12-GA0-43210___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
Nanotechnology and nanoscience are new areas of research and human cognition. The effects of nanomaterials on humans and the environment are still poorly understood. Because of their much larger surface there is a possibility to occur toxic effects unknown in %22normal%22 materials. The aim of this work was to use the set of the methods for antioxidants capacity determination to compare the effect of multiwall carbon nanotubes (MWCNTs) and magnetic microparticles (MNPs) in concentrations 0, 1 and 10 ug/ml on suspension tobacco culture. After 7-day cultivation, compared to controls, the weight of the cells exposed to 10ug/ml MWCNTs was 3x higher. MNPs did not influence the cells growth, but they induced free radicals and synthesis of antioxidative compounds, especially thiols. In cells exposed to MNPs the total antioxidant capacity was 30 % increased compared to controls, in cells exposed to MWCNTs a slight decrease was observed. This indicates possible changes in whole plants metabolism Nanotechnology and nanoscience are new areas of research and human cognition. The effects of nanomaterials on humans and the environment are still poorly understood. Because of their much larger surface there is a possibility to occur toxic effects unknown in %22normal%22 materials. The aim of this work was to use the set of the methods for antioxidants capacity determination to compare the effect of multiwall carbon nanotubes (MWCNTs) and magnetic microparticles (MNPs) in concentrations 0, 1 and 10 ug/ml on suspension tobacco culture. After 7-day cultivation, compared to controls, the weight of the cells exposed to 10ug/ml MWCNTs was 3x higher. MNPs did not influence the cells growth, but they induced free radicals and synthesis of antioxidative compounds, especially thiols. In cells exposed to MNPs the total antioxidant capacity was 30 % increased compared to controls, in cells exposed to MWCNTs a slight decrease was observed. This indicates possible changes in whole plants metabolism
dcterms:title
Utilization of total antioxidant capacity to evaluate the effect of multiwall carbon nanotubes and magnetic nanoparticles on suspension tobacco culture Utilization of total antioxidant capacity to evaluate the effect of multiwall carbon nanotubes and magnetic nanoparticles on suspension tobacco culture
skos:prefLabel
Utilization of total antioxidant capacity to evaluate the effect of multiwall carbon nanotubes and magnetic nanoparticles on suspension tobacco culture Utilization of total antioxidant capacity to evaluate the effect of multiwall carbon nanotubes and magnetic nanoparticles on suspension tobacco culture
skos:notation
RIV/62156489:43210/11:00176063!RIV12-GA0-43210___
n5:predkladatel
n6:orjk%3A43210
n3:aktivita
n21:P
n3:aktivity
P(GAP102/11/1068)
n3:dodaniDat
n20:2012
n3:domaciTvurceVysledku
n4:6218482 n4:2307049 n4:4995775 n4:6834914 n4:2104237 n4:1204807 n4:8594716
n3:druhVysledku
n19:D
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
237589
n3:idVysledku
RIV/62156489:43210/11:00176063
n3:jazykVysledku
n16:eng
n3:klicovaSlova
nanoparticles; antioxidant capacity; nanotubes
n3:klicoveSlovo
n11:nanotubes n11:nanoparticles n11:antioxidant%20capacity
n3:kontrolniKodProRIV
[FD63EB2ADAA0]
n3:mistoKonaniAkce
MENDELU
n3:mistoVydani
Brno
n3:nazevZdroje
XI. pracovní setkání fyzikálních chemiků a elektrochemiků
n3:obor
n9:CB
n3:pocetDomacichTvurcuVysledku
7
n3:pocetTvurcuVysledku
8
n3:projekt
n22:GAP102%2F11%2F1068
n3:rokUplatneniVysledku
n20:2011
n3:tvurceVysledku
Vysloužil, Lukáš Hrdinová, Zuzana Kryštofová, Olga Kudrle, V. Sochor, Jiří Kizek, René Adam, Vojtěch Křížková, Soňa
n3:typAkce
n18:CST
n3:zahajeniAkce
2011-01-01+01:00
s:numberOfPages
6
n15:hasPublisher
Mendelova zemědělská a lesnická univerzita v Brně
n14:isbn
978-80-7375-514-0
n13:organizacniJednotka
43210