Improved ionic-liquid-functionalized macroporous supports able to purify nucleic acids in one step

Materials Today Bio

F. Sousa¹  A.Q. Pedro²  M.G. Freire²  T. Trindade²  M.C. Neves²  J.C. Martins³  P. Pereira³  J.A. Queiroz³ 

[1] Corresponding author.;CICECO – Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal;CICS-UBI – Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal;

关键词: Nucleic acids;    Ionic liquid-support;    Purification;    Bioseparation;    Functionalization;   

DOI  :  

来源: DOAJ

【 摘 要 】

Nucleic acids are relevant biopolymers in therapy and diagnosis, for which their purity and biological activity are of crucial relevance. However, these features are difficult to achieve by cost-effective methods. Herein, we report the functionalization of a macroporous chromatographic support functionalized with an ionic liquid (IL) with remarkable performance to purify nucleic acids. An initial screening with distinct IL chemical structures supported in silica was carried out, allowing to identify the IL 1-methyl-3-propylimidazolium chloride as the most promising ligand. A chromatographic macroporous matrix able to be used in preparative liquid chromatography was then functionalized and binding/elution studies were performed. The IL 1-methyl-3-propylimidazolium chloride acts as a multimodal ligand with a remarkable dynamic binding capacity. This macroporous support allows the (one-step) purification of nucleic acids, namely small RNAs, ribosomal RNA, and genomic DNA, from a bacterial lysate, and can be regenerated and reused without compromising its separation performance.

【 授权许可】

Unknown