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Carbazate functionalized cellulose beads as potential scavengers specific for carbonylated proteins

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Abstract

Scavenging carbonylated proteins that are toxic substances inducing various diseases attract the most attention in the field of blood purification. In our study, functionalized cellulose beads modified by carbazate groups as affinity ligands of carbonyls were prepared for specific scavenging of carbonylated proteins based on the carbazate-aldehyde/ ketone reaction. Results showed that the carbazate-functionalized cellulose beads with different degrees of substitution (DS) maintained the original multi-porous structure with the diameter of about 50 μm and thermal stability. Spectroscopic and gel electrophoresis analysis indicated that the modified cellulose beads could effectively scavenge carbonylated proteins and the scavenging effects increased with the increase of DS. Thus, the carbazate functionalized cellulose beads may be developed as fillers in the column for the scavenging of carbonylated proteins.

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Acknowledgments

This study was financially supported by National Key R&D Program of China (2018YFC1105900), the Guangxi Science and Technology Major Project (Guike.AA19254002), the Natural Science Foundation of Guangxi (2020GXNSFAA159134), the Seventh batch of special experts in Guangxi (Professor Wei Yao), Youth Science Foundation of college of pharmacy of Guangxi Medical University (No. YXY[2019]10- 15) and the Distinguished Young Scholars Program of Guangxi Medical University, and the Youth Science Foundation of Guangxi Medical University (GXMUYSF201905).

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Correspondence to Li Zheng or Ming Gao.

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This article does not contain any studies with human participants or animals performed by any of the authors. In this experiment, we did not collect any samples of human and animals. All authors declared that there were no ethical problems in this article.

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Huang, L., Zhou, X., Feng, X. et al. Carbazate functionalized cellulose beads as potential scavengers specific for carbonylated proteins. Cellulose 28, 3029–3039 (2021). https://doi.org/10.1007/s10570-020-03659-9

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  • DOI: https://doi.org/10.1007/s10570-020-03659-9

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