Abstract
The novel nanocomposites were obtained by covalently linking arginine enantiomers with the sidewall of multi-walled carbon nanotubes, and utilized as sensing materials for biomolecular recognition in electrochemical immunoassay. They were characterized by X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM) and circular dichroism spectroscopy (CD). Nano-gold and Prussian Blue were employed to amplify the analytical signal responses. Prostate specific antibody/antigen and carcinoembryonic antibody/antigen were used as model systems. The results showed that the different configurations of nanocomposites could readily facilitate chiral recognition of antibodies, and D-nanocomposites displayed a larger signal.
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Fu, Y., Chen, M., Cui, X. et al. Recognition behavior of chiral nanocomposites toward biomolecules and its application in electrochemical immunoassay. Sci. China Chem. 53, 1453–1458 (2010). https://doi.org/10.1007/s11426-010-4011-2
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DOI: https://doi.org/10.1007/s11426-010-4011-2