Our news journalists obtained a quote from the research, "The Au NPs with mean diameter of about 7 nm were shown to efficiently redisperse in water due to the strong interaction between QC and Au NPs, and the solutions were quite stable after storage for nearly 4 months at room temperature. QC-Au NPs were subsequently used as novel physically adsorbed coatings for protein separation by CE. The separation performance was significantly improved in the capillary coated by QC-Au NPs compared with that of the uncoated capillary or QC coated capillary. A small quantity of Au NPs (Au content of 4.6%) was adequate for the obvious improvement of coating ability. The theoretical plate number of lysozyme in QC-Au1 NPs coated capillary was 2.9 times as much as that in QC coated capillary. We have demonstrated the separation of six model proteins with RSD of migration time less than 2.79% and RSD of peak area less than 4.81%. Furthermore, QC-Au NPs was applied to the analysis of closely related proteins and biological samples."
According to the news editors, the research concluded: "With simplicity, high resolution and reproducibility, the proposed method shows potential for applications in proteomics and clinical diagnosis."
For more information on this research see: Quaternized cellulose-supported gold nanoparticles as capillary coatings to enhance protein separation by capillary electrophoresis.
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