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. 2019 Jun 23;9(6):910. doi: 10.3390/nano9060910

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Comparison results between TiO₂ and P25 for (a) photodegradation rate of gaseous toluene and (b) recycling test over tricrystalline TiO₂-0.8 (blank) and P25 (filled) for five repeat uses [39]. (adapted from [39], with permission from Elsevier, 2019).