Journal Pre-proof Are aqueous solutions of choline-based ionic liquid biocompatible cross-linkers for collagen? Aafiya Tarannum, Nitin P. Lobo, J. Raghava Rao, N. Nishad Fathima PII: S0167-7322(19)35295-X DOI: https://doi.org/10.1016/j.molliq.2020.112654 Reference: MOLLIQ 112654 To appear in: Journal of Molecular Liquids Received date: 22 September 2019 Revised date: 8 January 2020 Accepted date: 6 February 2020 Please cite this article as: A. Tarannum, N.P. Lobo, J.R. Rao, et al., Are aqueous solutions of choline-based ionic liquid biocompatible cross-linkers for collagen?, Journal of Molecular Liquids(2020), https://doi.org/10.1016/j.molliq.2020.112654 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.