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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.12
- 수록면
- 1,345 - 1,348 (4page)
이용수
초록· 키워드
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Titanium dioxide (TiO₂) shows antibacterial effects when exposed to near ultra violet (UV) light. In this study, TiO₂ photocatalytic continuous reactor was designed and applied to food-borne pathogens such as Vibrio parahaemolyticus ATCC 17802, Salmonella choleraesuis ATCC 14028, and Listeria monocytogenes ATCC 15313. TiO₂ films were prepared by conventional sol-gel dip-coating method using titanium tetra iso-propoxide (TTIP). The antibacterial activity of photocatalytic reactor with various flow rates and UV-A illumination time showed effective bactericidal activity. As the UV-A illumination time increased, survival rates of those bacteria decreased. After 60 min of UV-A illumination, the survival rates of V. parahaemolyticus and S. choleraesuis were less than 0.1%. However, that of L. monocytogenes was about 5% at that time point. These results present an effective way to exclude pathogenic bacteria from aqueous foods.
목차
Abstract
Introduction
Materials and Methods
Materials and Methods
Acknowledgments
References
참고문헌 (20)
참고문헌 신청
Sopyan I / 1994 / Highly efficient TiO2 film photocatalyst: Degradation of gaseous acetaldehyde / Chem. Lett 23:723~726
Sauer ML / 1996 / Photocatalyzed oxidation of ethanol and acetaldehyde in humidified air / J. Catal 158:570~582
Vorontsov AV / 1997 / Quantitative studies on the heterogeneous gas-phase photooxidation of CO and simple VOCs by air over TiO2 / Catal. Today 39:207~218
Wong HC / 1999 / Incidence of highly genetically diversified Vibrio parahaemolyticus in seafood imported from Asian countries / J. Food. Microbiol 52:181~188
Wills RW / 2000 / Synergism between porcine reproductive and respiratory syndrome virus (PRRSV) and Salmonella choleraesuis in swine / J. Vet. Med. Sci 71:177~192
Sauer ML / 1996 / Photocatalyzed oxidation of ethanol and acetaldehyde in humidified air / J. Catal 158:570~582
Vorontsov AV / 1997 / Quantitative studies on the heterogeneous gas-phase photooxidation of CO and simple VOCs by air over TiO2 / Catal. Today 39:207~218
Wong HC / 1999 / Incidence of highly genetically diversified Vibrio parahaemolyticus in seafood imported from Asian countries / J. Food. Microbiol 52:181~188
Wills RW / 2000 / Synergism between porcine reproductive and respiratory syndrome virus (PRRSV) and Salmonella choleraesuis in swine / J. Vet. Med. Sci 71:177~192
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