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Ultrasonic inactivation of Microcystis aeruginosa in the presence of TiO2 particles

Paper ID Volume ID Publish Year Pages File Format Full-Text
20624 43183 2013 5 PDF Available
Title
Ultrasonic inactivation of Microcystis aeruginosa in the presence of TiO2 particles
Abstract

This is the first study to demonstrate that Microcystis aeruginosa, a typical algal bloom-forming cyanobacterium, can be effectively inactivated by ultrasound (US) irradiation in the presence of titanium dioxide (TiO2) particles as a sonocatalyst. When a culture broth of M. aeruginosa was ultrasonically irradiated for 15 min in the presence of 0.5 g/mL of TiO2 particles 2 mm in diameter, the cell survival ratio was 0.13, which was significantly lower than that in the case of US irradiation alone (0.87). Moreover, regrowth of M. aeruginosa in the culture was also inhibited for 10 days following ultrasonic disinfection in the presence of TiO2 particles for 15 min.

Keywords
Ultrasound; Titanium dioxide; Disinfection; Microcystis aeruginosa; Hydroxyl radicals
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 116, Issue 2, August 2013, Pages 214–218
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
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100% Money Back Guarantee
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