Our news journalists obtained a quote from the research, "The surface charge of GNPs changed from negative to positive as increasing amounts of beta-lg molecule were added, indicating that the globular protein molecules adsorbed to the surfaces of the particles. Extensive particle aggregation occurred when beta-Ig did not saturate the GNP surfaces, which was attributed to electrostatic bridging flocculation. Modifications in LSPR and SERS spectra after addition of beta-Ig to the GNP suspensions supported the adsorption of beta-Ig to the particle surfaces. Moreover, SERS highlighted the importance of a number of specific molecular groups in the binding interaction, and suggested conformational changes of the globular protein after adsorption."
According to the news editors, the research concluded: "This research provides useful information for characterizing and understanding the interactions between globular proteins and colloidal particles."
For more information on this research see: Spectroscopic studies of conformational changes of beta-lactoglobulin adsorbed on gold nanoparticle surfaces.
Our news journalists report that additional information may be obtained by contacting T. Winuprasith, Center Excellence Agr Biotechnol AG BIO PERDO CHE,
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