Journal Pre-proof Adsorption of methylene blue in aqueous solution using hydrogels based on 2-hydroxyethyl methacrylate copolymerized with itaconic acid or acrylic acid Estefan´ ıa Oyarce, Guadalupe Del C. Pizarro, Diego P. Oyarz´ un, Rudy Martin-Trasanco, Julio S´ anchez PII: S2352-4928(20)32335-7 DOI: https://doi.org/10.1016/j.mtcomm.2020.101324 Reference: MTCOMM 101324 To appear in: Materials Today Communications Received Date: 5 March 2020 Revised Date: 1 June 2020 Accepted Date: 3 June 2020 Please cite this article as: Oyarce E, Pizarro GDC, Oyarz ´ un DP, Martin-Trasanco R, S´ anchez J, Adsorption of methylene blue in aqueous solution using hydrogels based on 2-hydroxyethyl methacrylate copolymerized with itaconic acid or acrylic acid, Materials Today Communications (2020), doi: https://doi.org/10.1016/j.mtcomm.2020.101324 This is a PDF ﬁle of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the deﬁnitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its ﬁnal form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.