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Pregled bibliografske jedinice broj: 1025321

Silver-modified zeolite in bioremediation of soil contaminated with Acinetobacter baumannii


Dekić, Svjetlana; Hrenović, Jasna; Durn, Goran; Dikić, Jelena; Rajić, Nevenka
Silver-modified zeolite in bioremediation of soil contaminated with Acinetobacter baumannii // Proceedings of the 8th Serbian-Croatian-Slovenian Symposium on Zeolites / Rakić, Vesna ; Hrenović, Jasna ; Ristić, Alenka (ur.).
Belgrade, Serbia: SZA, 2019. str. 54-57 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Silver-modified zeolite in bioremediation of soil contaminated with Acinetobacter baumannii

Autori
Dekić, Svjetlana ; Hrenović, Jasna ; Durn, Goran ; Dikić, Jelena ; Rajić, Nevenka

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the 8th Serbian-Croatian-Slovenian Symposium on Zeolites / Rakić, Vesna ; Hrenović, Jasna ; Ristić, Alenka - Belgrade, Serbia : SZA, 2019, 54-57

ISBN
978-86-916637-2-8

Skup
8th Serbian-Croatian-Slovenian Symposium on Zeolites

Mjesto i datum
Beograd, Srbija, 3.-5. 10. 2019

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Acinetobacter baumannii, bacteria, soil, natural zeolite, Ag-modified zeolite

Sažetak
Bacterium Acinetobacter baumannii is an opportunistic pathogen of great clinical significance. Clinically significant A. baumannii isolates have been recorded in wastewaters, natural aquatic habitats and soils contaminated by human waste. The aim of this study was to investigate the potential application of unmodified (NZ) and Ag-modified (AgNZ) natural zeolitized tuff to remove A. baumannii from natural soil. Pure culture of pandrug-resistant A. baumannii was suspended in spring water and inoculated into 100 g of fresh alkaline red palaeosol, which was supplemented with 1 wt.% of NZ or AgNZ. The abundance of A. baumannii was monitored on CHROMagar Acinetobacter at 36 °C/24h, while total heterotrophic bacteria were monitored on Nutrient agar 22 °C/72h. A. baumannii successfully survived 50 days in soil with the addition of NZ. The AgNZ showed a strong bactericidal activity, after only 1h exposure (removal of 6.8±0.1 log CFU/g). The abundance of native heterotrophic bacteria was reduced by AgNZ for 2.6±0.1 log CFU/g, but a large portion of the population remained viable (4.1±0.2 log CFU/g). AgNZ is a promising material for the bioremediation of soil contaminated with hospital pathogen A. baumannii. The application of AgNZ does not influence the population of native heterotrophic bacteria in soil, which makes it acceptable for use in real environment.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Kemija, Biologija



POVEZANOST RADA


Projekti:
HRZZ-IP-2014-09-5656 - Prirodno stanište klinički značajnih Acinetobacter baumannii (NATURACI) (Hrenović, Jasna, HRZZ - 2014-09) ( POIROT)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb,
Rudarsko-geološko-naftni fakultet, Zagreb

Profili:

Avatar Url Goran Durn (autor)

Avatar Url Svjetlana Dekić (autor)

Avatar Url Jasna Hrenović (autor)


Citiraj ovu publikaciju

Dekić, Svjetlana; Hrenović, Jasna; Durn, Goran; Dikić, Jelena; Rajić, Nevenka
Silver-modified zeolite in bioremediation of soil contaminated with Acinetobacter baumannii // Proceedings of the 8th Serbian-Croatian-Slovenian Symposium on Zeolites / Rakić, Vesna ; Hrenović, Jasna ; Ristić, Alenka (ur.).
Belgrade, Serbia: SZA, 2019. str. 54-57 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Dekić, S., Hrenović, J., Durn, G., Dikić, J. & Rajić, N. (2019) Silver-modified zeolite in bioremediation of soil contaminated with Acinetobacter baumannii. U: Rakić, V., Hrenović, J. & Ristić, A. (ur.)Proceedings of the 8th Serbian-Croatian-Slovenian Symposium on Zeolites.
@article{article, year = {2019}, pages = {54-57}, keywords = {Acinetobacter baumannii, bacteria, soil, natural zeolite, Ag-modified zeolite}, isbn = {978-86-916637-2-8}, title = {Silver-modified zeolite in bioremediation of soil contaminated with Acinetobacter baumannii}, keyword = {Acinetobacter baumannii, bacteria, soil, natural zeolite, Ag-modified zeolite}, publisher = {SZA}, publisherplace = {Beograd, Srbija} }
@article{article, year = {2019}, pages = {54-57}, keywords = {Acinetobacter baumannii, bacteria, soil, natural zeolite, Ag-modified zeolite}, isbn = {978-86-916637-2-8}, title = {Silver-modified zeolite in bioremediation of soil contaminated with Acinetobacter baumannii}, keyword = {Acinetobacter baumannii, bacteria, soil, natural zeolite, Ag-modified zeolite}, publisher = {SZA}, publisherplace = {Beograd, Srbija} }




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