Protein aggregation and crystallization with ionic liquids: Insights into the influence of solvent properties

[Display omitted] Ionic liquids (ILs) have been used in solvents for proteins in many applications, including biotechnology, pharmaceutics, and medicine due to their tunable physicochemical and biological properties. Protein aggregation is often undesirable, and predominantly occurs during bioproces...

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Published inJournal of colloid and interface science Vol. 608; no. Pt 2; pp. 1173 - 1190
Main Authors Han, Qi, Brown, Stuart J., Drummond, Calum J., Greaves, Tamar L.
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 15.02.2022
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Summary:[Display omitted] Ionic liquids (ILs) have been used in solvents for proteins in many applications, including biotechnology, pharmaceutics, and medicine due to their tunable physicochemical and biological properties. Protein aggregation is often undesirable, and predominantly occurs during bioprocesses, while the aggregation process can be reversible or irreversible and the aggregates formed can be native/non-native and soluble/insoluble. Recent studies have clearly identified key properties of ILs and IL-water mixtures related to protein performance, suggesting the use of the tailorable properties of ILs to inhibit protein aggregation, to promote protein crystallization, and to control protein aggregation pathways. This review discusses the critical properties of IL and IL-water mixtures and presents the latest understanding of the protein aggregation pathways and the development of IL systems that affect or control the protein aggregation process. Through this feature article, we hope to inspire further advances in understanding and new approaches to controlling protein behavior to optimize bioprocesses.
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ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2021.10.087