Počet záznamů: 1

Formation of ROS and RNS in Water Electro-Sprayed through Transient Spark Discharge in Air and their Bactericidal Effects

SYSNO ASEP	0421972
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Formation of ROS and RNS in Water Electro-Sprayed through Transient Spark Discharge in Air and their Bactericidal Effects
Tvůrce(i)	Machala, Z. (SK) Tarabová, B. (SK) Hensel, K. (SK) Doležalová, Eva (UFP-V)_RID Šikurová, L. (SK) Lukeš, Petr (UFP-V)_{RID, ORCID}
Zdroj.dok.	Plasma Processes and Polymers. - : Wiley - ISSN 1612-8850 Roč. 10, č. 7 (2013), s. 649-659
Poč.str.	11 s.
Forma vydání	Tištěná - P
Jazyk dok.	eng - angličtina
Země vyd.	DE - Německo
Klíč. slova	Plasma electrospray ; water ; bacteria ; hydrogen peroxide ; peroxynitrite ; cold plasma ; water electro-spray
Vědní obor RIV	BL - Fyzika plazmatu a výboje v plynech
CEP	IAAX00430802 GA AV ČR - Akademie věd
	GD104/09/H080 GA ČR - Grantová agentura ČR
	MEB0810116 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy
Institucionální podpora	UFP-V - RVO:61389021
UT WOS	000322371700008
EID SCOPUS	84879849826
DOI	10.1002/ppap.201200113
Anotace	Chemical and bactericidal effects induced by plasma in water upon electro-spraying through DC-driven positive transient spark discharge in air were investigated. Inactivation of E. coli was determined in dependence on pH (controlled by buffers) and correlated with chemical changes induced in water. Productions of hydrogen peroxide, nitrites, nitrates, peroxynitrites and pH changes were determined, and the extent of oxidative stress induced in bacteria was evaluated. The degree of inactivation and oxidative damage of bacteria increased with the increasing acidity of the solution. Acidified nitrites interacting with hydrogen peroxide were determined as the most important bactericidal ROS/RNS agents in plasma-treated water. A possible role of peroxynitrites, ozone and metal nanoparticles is discussed.
Pracoviště	Ústav fyziky plazmatu
Kontakt	Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975
Rok sběru	2014

Počet záznamů: 1