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Efficient inactivation of MS-2 virus in water by hydrodynamic cavitation
ID
Kosel, Janez
(
Avtor
),
ID
Gutiérrez-Aguirre, Ion
(
Avtor
),
ID
Rački, Nejc
(
Avtor
),
ID
Dreo, Tanja
(
Avtor
),
ID
Ravnikar, Maja
(
Avtor
),
ID
Dular, Matevž
(
Avtor
)
PDF - Predstavitvena datoteka,
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(2,40 MB)
MD5: 4387ABAE51FCFB6B3AF11D1E07BB0C21
URL - Izvorni URL, za dostop obiščite
https://www.sciencedirect.com/science/article/pii/S0043135417306504?via%3Dihub
Galerija slik
Izvleček
The aim of this study was to accurately quantify the impact of hydrodynamic cavitation on the infectivity of bacteriophage MS2, a norovirus surrogate, and to develop a small scale reactor for testing the effect of hydrodynamic cavitation on human enteric viruses, which cannot be easily prepared in large quantities. For this purpose, 3 mL scale and 1 L scale reactors were constructed and tested. Both devices were efficient in generating hydrodynamic cavitation and in reducing the infectivity of MS2 virus. Furthermore, they reached more than 4 logs reductions of viral infectivity, thus confirming the scalability of hydrodynamic cavitation for this particular application. As for the mechanism of page inactivation, we suspect that cavitation generated OH$^-$ radicals formed an advanced oxidation process, which could have damaged the host's recognition receptors located on the surface of the bacteriophage. Additional damage could arise from the high shear forces inside the cavity. Moreover, the effectiveness of the cavitation was higher for suspensions containing low initial viral titers that are in similar concentration to the ones found in real water samples. According to this, cavitation generators could prove to be a useful tool for treating virus-contaminated wastewaters in the future.
Jezik:
Angleški jezik
Ključne besede:
MS2 bacteriophage
,
norovirus surrogate
,
hydrodynamic cavitation
,
Venturi type constriction
,
phage infectivity
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FS - Fakulteta za strojništvo
Status publikacije:
Objavljeno
Različica publikacije:
Recenzirani rokopis
Leto izida:
2017
Št. strani:
Str. 465-471
Številčenje:
Vol. 124
PID:
20.500.12556/RUL-126446
UDK:
578.2:532(045)
ISSN pri članku:
0043-1354
DOI:
10.1016/j.watres.2017.07.077
COBISS.SI-ID:
15600923
Avtorske pravice:
Zapis Sherpa Romeo za revijo Water research
https://v2.sherpa.ac.uk/id/publication/13286
: licenca za recenzirani rokopis (Accepted Version) je CC BY-NC-ND 4.0. (Datum opombe: 15. 3. 2023)
Datum objave v RUL:
22.04.2021
Število ogledov:
446
Število prenosov:
80
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Objavi na:
Gradivo je del revije
Naslov:
Water research
Skrajšan naslov:
Water res.
Založnik:
Elsevier
ISSN:
0043-1354
COBISS.SI-ID:
26617344
Licence
Licenca:
CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:
Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.
Začetek licenciranja:
01.11.2017
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
kavitacija
,
MS2 bakteriofag
,
venturijeva cev
,
virusi
,
infektivnost
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