Journal Pre-proofs Control of viscosity in biopharmaceutical protein formulations Mitja Zidar, Petrua Rozman, Kaja Belko-Parkel, Miha Ravnik PII: S0021-9797(20)30850-X DOI: https://doi.org/10.1016/j.jcis.2020.06.105 Reference: YJCIS 26602 To appear in: Journal of Colloid and Interface Science Received Date: 13 May 2020 Revised Date: 19 June 2020 Accepted Date: 24 June 2020 Please cite this article as: M. Zidar, P. Rozman, K. Belko-Parkel, M. Ravnik, Control of viscosity in biopharmaceutical protein formulations, Journal of Colloid and Interface Science (2020), doi: https://doi.org/ 10.1016/j.jcis.2020.06.105 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 Elsevier Inc. All rights reserved.