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Statements

Subject Item
n2:RIV%2F68081707%3A_____%2F04%3A00104699%21RIV%2F2005%2FAV0%2FA17005%2FN
rdf:type
skos:Concept n16:Vysledek
dcterms:description
This work studies biological effects of low-frequency electromagnetic fields. We have exposed three different bacterial strains-Escherichia coli, Leclercia adecarboxylata and Staphylococcus aureus to the magnetic field (t < 30 min, B-m = 10 mT, f= 50 Hz) in order to compare their viability (number of colony-forming units (CFU)). We have measured the dependence of CFU on time of exposure and on the value of the magnetic field induction B-m. Viability decreases with longer exposure time and/or higher induction B,, for all strains, but the quantity of the effect is strain-dependent. The highest decrease of the viability and the biggest magnetic field effect was observed with E. coli. The smallest magnetic field effect appears for S. aureus. From the measurement of the growth dynamics we have concluded that the decrease of the CFU starts immediately after the magnetic field was switched on. This work studies biological effects of low-frequency electromagnetic fields. We have exposed three different bacterial strains-Escherichia coli, Leclercia adecarboxylata and Staphylococcus aureus to the magnetic field (t < 30 min, B-m = 10 mT, f= 50 Hz) in order to compare their viability (number of colony-forming units (CFU)). We have measured the dependence of CFU on time of exposure and on the value of the magnetic field induction B-m. Viability decreases with longer exposure time and/or higher induction B,, for all strains, but the quantity of the effect is strain-dependent. The highest decrease of the viability and the biggest magnetic field effect was observed with E. coli. The smallest magnetic field effect appears for S. aureus. From the measurement of the growth dynamics we have concluded that the decrease of the CFU starts immediately after the magnetic field was switched on. Tato práce studuje bilogický efekt nízkofrekvenčních elektromagnetických polí na tři různé bakteriální kmeny - Escherichia coli, Leclercia adecarboxylata a Staphylococcus aureus. Všechny byly exponovány nízkofrekvenčním magnetickým polem (t < 30 min, Bm=10 mT, f = 50 Hz) a poté porovnána jejich viabilita pomocí CFU - colony forming units. Pro všechny kmeny došlo k poklesu viability bakterií po expozici. Tento efekt byl kmenově závislý (největší úbytek bakterií byl pozorován pro E. coli, nejmenší pro S.aureus).
dcterms:title
Comparison of the low-frequency magnetic field effects on bacteria Escherichia coli, Leclercia adecarboxylata and Staphylococcus aureus Comparison of the low-frequency magnetic field effects on bacteria Escherichia coli, Leclercia adecarboxylata and Staphylococcus aureus Porovnání působení nízkofrekvenčních magnetických polí na bakterie Escherichia coli, Leclercia adecarboxylata a Staphylococcus aureus
skos:prefLabel
Comparison of the low-frequency magnetic field effects on bacteria Escherichia coli, Leclercia adecarboxylata and Staphylococcus aureus Comparison of the low-frequency magnetic field effects on bacteria Escherichia coli, Leclercia adecarboxylata and Staphylococcus aureus Porovnání působení nízkofrekvenčních magnetických polí na bakterie Escherichia coli, Leclercia adecarboxylata a Staphylococcus aureus
skos:notation
RIV/68081707:_____/04:00104699!RIV/2005/AV0/A17005/N
n3:strany
337;341
n3:aktivita
n6:Z n6:P
n3:aktivity
P(GA310/01/0816), P(IAA4004404), P(IBS5004107), Z(AV0Z5004920)
n3:cisloPeriodika
1-2
n3:dodaniDat
n12:2005
n3:domaciTvurceVysledku
n9:5374650 n9:6245420 n9:7746547
n3:druhVysledku
n15:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
558320
n3:idVysledku
RIV/68081707:_____/04:00104699
n3:jazykVysledku
n14:eng
n3:klicovaSlova
low-frequency electromagnetic field; ELF magnetic fields; bacteria
n3:klicoveSlovo
n13:ELF%20magnetic%20fields n13:bacteria n13:low-frequency%20electromagnetic%20field
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[4BFC7E91CD21]
n3:nazevZdroje
Bioelectrochemistry
n3:obor
n17:BO
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n8:IAA4004404 n8:IBS5004107 n8:GA310%2F01%2F0816
n3:rokUplatneniVysledku
n12:2004
n3:svazekPeriodika
63
n3:tvurceVysledku
Šmarda, J. Vetterl, Vladimír Fojt, Lukáš Strašák, Luděk
n3:zamer
n10:AV0Z5004920
s:issn
1567-5769
s:numberOfPages
5