In this section, you can access to the latest technical information related to the FUTURE project topic.

Preparation of a Poly(ionic liquid)-Functionalized Cellulose Aerogel and Its Application in Protein Enrichment and Separation

In this work, a novel poly(ionic liquid) with 1-vinyl-3-aminopropyl imidazolium cations was designed and used to modify cellulose aerogels via Schiff base reaction. The poly(ionic liquid) modified cellulose aerogels (PIL-CA) exhibited a well-interconnected porous structure and a high porosity of 86.2%. A zeta potential study showed the PIL-CA had a strong positive potential of more than 65?mV when its pH was below 6. Furthermore, after 350?min of adsorption experiments, the PIL-CA showed a superior adsorption capacity of 918?±?8?mg g-1 towards bovine serum albumin (BSA) at pH 6 when its concentration was 1.5?mg?mL-1. Finally, the PIL-CA was employed for the selective separation of target protein from a real serum sample, obtaining the BSA with high purity of over 98%.

» Author: Liwei Qian, Miaoxiu Yang, Haonan Chen, Yang Xu, Sufeng Zhang, Qiusheng Zhou, Bin He, Yang Bai, Wenqi Song

» Reference: 10.1016/j.carbpol.2019.04.081

» Publication Date: 29/04/2019

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