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Lookup NU author(s): Professor Thomas CurtisORCiD, Professor Paul ChristensenORCiD
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We have undertaken simple proof of principle experiments to find out if electric field enhanced photo-oxidation using immobilised titanium dioxide will damage Cryptosporidium oocysts. Using a simple Petri dish reactor and two forms of immobilised titanium catalyst (sol-gel and thermal-film) we have tested the ability of this technology to affect Cryptosporidium oocysts permeability assessed by propidium iodide exclusion. Test and control reactor runs were significantly different (P=0.007). The thermal-film reactor had the greatest effect (approximately 27% of the seed) and was statistically distinguishable from the sol-gel reactor and the controls. The sol-gel reactor showed an increase in oocyst permeability, but was not statistically distinguishable from one of the controls. The enhanced performance of the thermal film reactor is attributed to the superior conversion of photochemical holes to hydroxyl radicals at the surface of this catalyst. © 2002 Elsevier Science Ltd. All rights reserved.
Author(s): Curtis TP, Alker GW, Dowling BM, Christensen PA
Publication type: Article
Publication status: Published
Journal: Water Research
Year: 2002
Volume: 36
Issue: 9
Pages: 2410-2413
ISSN (print): 0043-1354
ISSN (electronic): 1879-2448
Publisher: Pergamon
URL: http://dx.doi.org/10.1016/S0043-1354(01)00434-1
DOI: 10.1016/S0043-1354(01)00434-1
PubMed id: 12108733
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