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231225s2017 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2017.266
|2 doi
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|a pubmed25n0914.xml
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|a (NLM)28759453
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Theologides, C P
|e verfasserin
|4 aut
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|a Preventing maritime transport of pathogens
|b the remarkable antimicrobial properties of silver-supported catalysts for ship ballast water disinfection
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 13.10.2017
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|a Date Revised 02.12.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a Ship ballast water (SBW) antimicrobial treatment is considered as a priority issue for the shipping industry. The present work investigates the possibility of utilizing antimicrobial catalysis as an effective method for the treatment of SBW. Taking into account the well-known antimicrobial properties of ionic silver (Ag+), five silver-supported catalysts (Ag/γ-Al2O3) with various loadings (0.05, 0.1, 0.2, 0.5, and 1 wt%) were prepared and examined for the antimicrobial treatment of SBW. The bactericidal activity of the aforementioned catalysts was investigated towards the inhibition of Escherichia coli (Gram-negative) and Escherichia faecalis (Gram-positive) bacteria. Catalytic experiments were conducted in a three-phase continuous flow stirred tank reactor, used in a semi-batch mode. It was found that using the catalyst with the lowest metal loading, the inhibition of E. coli reached 95.8% after 30 minutes of treatment of an E. coli bacterial solution, while the inhibition obtained for E. faecalis was 76.2% after 60 minutes of treatment of an E. faecalis bacterial solution. Even better results (100% inhibition after 5 min of reaction) were obtained using the catalysts with higher Ag loadings. The results of the present work indicate that the prepared monometallic catalysts exert their antimicrobial activity within a short period of time, revealing, for the first time ever, that the field of antimicrobial heterogeneous catalysis using deposited ionic silver on a solid support may prove decisive for the disinfection of SBW
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|a Journal Article
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|a Anti-Infective Agents
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Silver
|2 NLM
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| 650 |
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|a 3M4G523W1G
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| 700 |
1 |
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|a Theofilou, S P
|e verfasserin
|4 aut
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|a Anayiotos, A
|e verfasserin
|4 aut
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|a Costa, C N
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 76(2017), 3-4 vom: 31. Juli, Seite 712-718
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:76
|g year:2017
|g number:3-4
|g day:31
|g month:07
|g pages:712-718
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|u http://dx.doi.org/10.2166/wst.2017.266
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