Naturally occurring sphalerite as a novel cost-effective photocatalyst for bacterial disinfection under visible light

Environmental Science and Technology

Volumn 45, Issue 13, 2011, Pages 5689-5695

  Chen, Yanmin ^a   Lu, Anhuai ^b   Li, Yan ^b   Zhang, Lisha ^a   Yip, Ho Yin ^a   Zhao, Huijun ^c   An, Taicheng ^d   Wong, Po Keung ^a  

^a CHINESE UNIVERSITY OF HONG KONG   (Hong Kong)

^b Peking University   (China)

^c GRIFFITH UNIVERSITY   (Australia)

^d GUANGZHOU INSTITUTE OF GEOCHEMISTRY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

ANTI-OXIDATIVE ENZYMES; BACTERIAL CELLS; BACTERICIDAL ACTION; CATALASE ACTIVITY; E. COLI; INITIAL STAGES; MICROSCOPIC ANALYSIS; NATURALLY OCCURRING; PARTITION SYSTEMS; PHOTO-CATALYTIC; PHOTOCATALYTIC ACTIVITIES; THROUGH TRANSMISSION; VISIBLE LIGHT; VISIBLE-LIGHT IRRADIATION;

BACTERIOLOGY; COST EFFECTIVENESS; DISINFECTION; ENZYME ACTIVITY; ESCHERICHIA COLI; PHOTOCATALYSIS; PHOTOCATALYSTS; WASTEWATER; ZINC SULFIDE;

WASTEWATER TREATMENT;

CATALASE; HYDROGEN PEROXIDE; SCAVENGER; ZINC SULFIDE;

ANTIOXIDANT; BACTERIUM; CATALYSIS; CATALYST; CELL ORGANELLE; COST-BENEFIT ANALYSIS; DISINFECTION; ELECTRON; ENZYME ACTIVITY; EXPERIMENTAL STUDY; LIGHT EFFECT; RADIATION BALANCE; SPHALERITE; TRANSMISSION ELECTRON MICROSCOPY; WASTEWATER; WATER TREATMENT;

ARTICLE; BACTERIAL CELL; BACTERICIDAL ACTIVITY; COST EFFECTIVENESS ANALYSIS; DISINFECTION; ELECTRON; ENZYME ACTIVITY; ESCHERICHIA COLI; IRRADIATION; LIGHT; PHOTOCATALYSIS; TRANSMISSION ELECTRON MICROSCOPY; WASTE WATER MANAGEMENT;

CATALASE; CATALYSIS; DISINFECTION; ESCHERICHIA COLI K12; HYDROGEN PEROXIDE; LIGHT; MICROSCOPY, ELECTRON, TRANSMISSION; PHOTOCHEMICAL PROCESSES; SULFIDES; WATER PURIFICATION; ZINC COMPOUNDS;

BACTERIA (MICROORGANISMS); ESCHERICHIA COLI K12;

EID: 79959883401     PISSN: 0013936X     EISSN: 15205851     Source Type: Journal    
DOI: 10.1021/es200778p     Document Type: Article

References (27)

1. Hoffmann, M. R.; Martin, S. T.; Choi, W.; Bahnemann, D. W. Environmental applications of semiconductor photocatalysis Chem. Rev. 1995, 95, 69-96
2. Matsunaga, T.; Tomodam, R.; Nakajima, T.; Wake, H. Photoelectrochemical sterilization of microbial cells by semiconductor powders FEMS Microbiol. Lett. 1985, 29, 211-214 (Pubitemid 16221826)
3. 2 surfaces J. Solid State Chem. 1993, 103, 528-532
4. Leung, T. Y.; Chan, C. Y.; Hu, C.; Yu, J. C.; Wong, P. K. Photocatalytic disinfection of marine bacteria using fluorescent light Water Res. 2008, 42, 4827-4837
5. Li, Y.; Lu, A. H.; Wang, C. Q. Semiconducting mineralogical characteristics of natural sphalerite gestating visible-light photocatalysis Acta Geol. Sin 2009, 83, 633-639
6. Li, Y.; Lu, A. H.; Wang, C. Q. Photocatalytic reduction of Cr(VI) by natural sphalerite suspensions under visible light irradiation Acta Geol. Sin 2006, 80, 267-272
7. Li, Y.; Lu, A. H.; Wang, C. Q.; Wu, X. L. Characterization of natural sphalerite as a novel visible-light-driven photocatalyst Solar. Energy Mater. Solar Cells 2008, 92, 953-959
8. Li, Y.; Lu, A. H.; Jin, S.; Wang, C. Q. Photo-reductive decolorization of an azo dye by natural sphalerite: case study of a new type of visible light-sensitized photocatalyst J. Hazard. Mater. 2009, 170, 479-486
9. 2 thin films: dynamic view of the active oxygen species responsible for the effect J. Photochem. Photobiol. A: Chem. 1997, 106, 51-56 (Pubitemid 127341027)
10. Zhang, L. S.; Wong, K. H.; Zhang, D. Q.; Hu, C.; Yu, J. C.; Chan, C. Y.; Wong, P. K. Zn:In(OH)ySz solid solution nanoplates: synthesis, characterization, and photocatalytic mechanism Environ. Sci. Technol. 2009, 43, 7883-7888
11. 6 nanojunction system irradiated by visible light: the role of diffusing hydroxyl radicals Environ. Sci. Technol. 2010, 44, 1392-1398
12. 2 surface characteristic in UV-illuminated photodegradation of Acid Orange 7 J. Photochem. Photobiol. A: Chem. 2005, 172, 47-54 (Pubitemid 40549552)
13. 2 Appl. Catal. B: Environ. 2005, 59, 147-154
14. Lejeune, D.; Hasanuzzaman, M.; Pitcock, A.; Francis, J.; Sehgal, I. The superoxide scavenger TEMPOL induces urokinase receptor (uPAR) expression in human prostate cancer cells Mol. Cancer 2006, 5, 21-26
15. Cayman Chemical Company, Protocol for Catalase Assay; Ann Arbor: MI, USA, 2009.
16. Bader, H.; Sturzenegger, V.; Hoigné, J. Photometric method for the determination of low concentrations of hydrogen peroxide by the peroxidase catalyzed oxidation of N, N-diethyl-p-phenylenediamine (DPD) Water Res. 1988, 22, 1109-1115 (Pubitemid 19300445)
17. Yu, J. C.; Ho, W. K.; Yu, J. G.; Yip, H. Y.; Wong, P. K.; Zhao, J. C. Efficient visible-light-induced photocatalytic disinfection on sulfur-doped nanocrystalline titania Environ. Sci. Technol. 2005, 39, 1175-1179 (Pubitemid 40250322)
18. 2 with enhanced photocatalytic and bactericidal activities Langmuir 2003, 19, 10372-10380
19. Tsunogai, S. Determination of iodine in sea water by an improved Sugawara's method Anal. Chim. Acta 1971, 55, 444-447
20. Backer, H.; Hollowell, J. Use of iodine for water disinfection: iodine toxicity and maximum recommended dose Environ. Health Perspect. 2000, 108, 679-684
21. Zang, L.; Liu, C. Y.; Ren, X. M. Photochemistry of semiconductor particles 3. Effects of surface charge on reduction rate of methyl orange photosensitized by ZnS sols J. Photochem. Photobiol. A: Chem. 1995, 85, 239-245
22. Watts, R. J.; Kong, S.; Orr, M. P.; Miller, G. C.; Henry, B. E. Photocatalytic inactivation of coliform bacteria and viruses in secondary wastewater effluent Water Res. 1995, 29, 95-100
23. 2 photocatalytic disinfection Appl. Environ. Microbiol. 2005, 71, 270-275 (Pubitemid 40116277)
24. Blake, D. M.; Maness, P. C.; Huang, Z.; Wolfrum, E. J.; Huang, J.; Jacoby, W. A. Application of the photocatalytic chemistry of titanium dioxide to disinfection and the killing of cancer cells Sep. Purif. Methods 1999, 28, 1-50
25. Strul, G.; Frimer, A. A.; Weiner, L. Spin-trapping study of free radical penetration into liposomal membranes J. Chem. Soc., Perkin Trans. 1993, 2, 2057-2059
26. Bors, W.; Michel, C.; Saran, M. On the nature of biochemically generated hydroxyl radicals Eur. J. Biochem. 1979, 95, 621-627
27. 2-Implications in solar water disinfection Appl. Catal. B: Environ. 2004, 51, 283-302 (Pubitemid 38729893)