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The role of nanoparticles (titanium dioxide, graphene oxide) on the inactivation of co-existing bacteria in the presence and absence of quartz sand

Syngouna Vasiliki, Kourtaki Kleanthi, Georgopoulou Maria, Chrysikopoulos Constantinos

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URIhttp://purl.tuc.gr/dl/dias/C7F69F77-E5E9-4939-BDF1-EFB872925203-
Identifierhttps://doi.org/10.1007/s11356-021-17086-1-
Identifierhttps://link.springer.com/article/10.1007/s11356-021-17086-1-
Languageen-
Extent13 pagesel
TitleThe role of nanoparticles (titanium dioxide, graphene oxide) on the inactivation of co-existing bacteria in the presence and absence of quartz sanden
CreatorSyngouna Vasilikien
CreatorΣυγγουνα Βασιλικηel
CreatorKourtaki Kleanthien
CreatorΚουρτακη Κλεανθηel
CreatorGeorgopoulou Mariaen
CreatorΓεωργοπουλου Μαριαel
CreatorChrysikopoulos Constantinosen
CreatorΧρυσικοπουλος Κωνσταντινοςel
PublisherSpringeren
Content SummaryThe increased mass production and application of engineered nanomaterials (ENMs) have resulted in the release of nanoparticles (NPs) in the environment, raising uncertainties regarding their environmental impacts. This study examines the effect of graphene oxide (GO) and titanium dioxide (TiO2) NPs on the inactivation of the three model bacteria originated by mammalians including humans: Escherichia (E.) coli, Enterococcus (E.) faecalis, and Staphylococcus (S.) aureus. A series of dynamic batch experiments were conducted at constant room temperature (22 °C) in order to examine the inactivation of co-existing bacteria by NPs, in the presence and absence of quartz sand. The inactivation experimental data were satisfactorily fitted with a pseudo-first order expression with a time dependent rate coefficient. The inactivation of E. coli and S. aureus was shown to increase in the co-presence of GO or TiO2 NPs and quartz sand comparing with the presence of GO or TiO2 NPs alone. For E. faecalis, no clear trend was observed. Moreover, quartz sand was shown to affect inactivation of bacteria by GO and TiO2 NPs. Among the bacteria examined, the highest inactivation rates were observed for S. aureus.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2022-09-27-
Date of Publication2022-
SubjectEscherichia colien
SubjectEnterococcus faecalisen
SubjectStaphylococcus aureusen
SubjectGraphene oxideen
SubjectTitanium dioxideen
SubjectInactivationen
Bibliographic CitationV. I. Syngouna, K. I. Kourtaki, M. P. Georgopoulou, and C. V. Chrysikopoulos, “The role of nanoparticles (titanium dioxide, graphene oxide) on the inactivation of co-existing bacteria in the presence and absence of quartz sand,” Environ. Sci. Pollut. Res., vol. 29, no. 13, pp. 19199–19211, Mar. 2022, doi: 10.1007/s11356-021-17086-1.en

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