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Rapid Nanoprobe Signal Enhancement by In Situ Gold Nanoparticle Synthesis
Published on: March 7, 2018
Microstructured arrays with pre-synthesized capture probes for DNA detection based on metal nanoparticles and silver
Guo-Jun Zhang1, Robert Möller, Robert Kretschmer
1Institute for Physical High Technology, PO Box 100239, 07702 Jena, Germany.
Journal of Fluorescence
|December 25, 2004
Abstract:
DNA microarrays exhibiting highly defined squared spot geometry and increased homogeneity in capture DNA distribution were prepared by a combination of microfabrication and DNA spotting. The microfabricated substrates were tested using metal nanoparticles as markers. The optical absorption signal is improved by a silver enhancement step. Experiments demonstrated the specificity and the concentration-dependency of the signal.

