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  • Title: Positively charged silver nanoparticles and their effect on surface-enhanced Raman scattering of dye-labelled oligonucleotides.
    Author: van Lierop D, Krpetić Ž, Guerrini L, Larmour IA, Dougan JA, Faulds K, Graham D.
    Journal: Chem Commun (Camb); 2012 Aug 25; 48(66):8192-4. PubMed ID: 22544041.
    Abstract:
    Improved positively charged nanoparticles are described to provide a simplified SERS substrate for DNA detection. Complete flocculation of the nanoparticles is prevented due to the controlled analyte induced aggregation. This provides a stable aggregation state which significantly extends the analysis window simplifying DNA detection by SERS.
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