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  • Title: Sensitive and selective plasmonic assay for spermine as biomarker in human urine.
    Author: Jornet-Martínez N, González-Béjar M, Moliner-Martínez Y, Campíns-Falcó P, Pérez-Prieto J.
    Journal: Anal Chem; 2014 Feb 04; 86(3):1347-51. PubMed ID: 24428122.
    Abstract:
    A simple, fast, and highly selective and sensitive colorimetric assay to detect nanomolar levels of spermine in human urine (healthy donors, cancer patients) is reported. This assay is based on the absence of a competitive organic capping on the gold nanoparticles together with the high affinity of the amine groups of the analyte for the nanoparticle surface.
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