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The use of Silver-coated Ceramic Beads for Sterilization of Sphingomonas sp. in Drinking Mineral Water

Authors
 Dong-Wook Han  ;  Min Sub Lee  ;  Mi Hee Lee  ;  Masakazu Uzawa  ;  Jong-Chul Park 
Citation
 WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY, Vol.21(6~7) : 921-924, 2005 
Journal Title
 WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY 
ISSN
 0959-3993 
Issue Date
2005
Abstract
It has been established that certain heavy metals including silver have antibacterial properties, and that they may be useful components of antibacterial materials. This knowledge of the antibacterial activity of silver has already been put to use to decrease the occurrence of urinary catheter infections and to develop topical antibacterial agents for burn victims. In this study, the ability of silver-coated ceramic beads (Ag-CBs), sintered at 375, 400, 425, or 450 °C, to sterilize Sphingomonas sp. in commercial mineral water was evaluated. Over 3% (w/v) Ag-CBs in mineral water completely sterilized Sphingomonas sp. after 6 h, regardless of the sintering temperature. The Ag-CBs sintered at 400 °C were the most useful since they did not produce clouding in the water and the bacteria were effectively killed. The antimicrobial activity of the 400 °C-sintered Ag-CBs was comparable to that of free silver ions at 15 μg/l, showing that the silver ions released from the Ag-CBs resulted in the complete sterilization of the microbial cells in mineral water. These results suggest that Ag-CBs present an easy-to-use option for mineral water sterilization.
Full Text
http://link.springer.com/article/10.1007%2Fs11274-004-6721-0
DOI
10.1007/s11274-004-6721-0
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
Park, Jong Chul(박종철) ORCID logo https://orcid.org/0000-0003-0083-5991
Lee, Mi Hee(이미희) ORCID logo https://orcid.org/0000-0002-9630-7044
Han, Dong Wook(한동욱)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/151529
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