This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/WER.1310 This article is protected by copyright. All rights reserved Photodegradation of Ibuprofen and Four Other Pharmaceutical Pollutants on Natural Pigments Sensitized TiO 2 nanoparticles Kristen Patterson a , Kevin Howlett a , Kelsey Patterson a , Bo Wang b,* , Lin Jiang a,* a Division of Natural Sciences, New College of Florida, 5800 Bay Shore Road, Sarasota, FL 34243, USA b Department of Chemistry, North Carolina A&T State University, 1601 E. Market St, Greensboro, NC 27411, USA Corresponding author: E-mail: ljiang@ncf.edu (L J); Tel: +1 941-487-4315 E-mail: bwang1@ncat.edu (B W); Tel: +1 336-285-2256; Fax: +1 336-334-7124 Accepted Article