We report a quantitative SERS measurement scheme based on the magnetic microsphere–Ag nanoparticles to detect target DNA. The quantitative SERS measurements can quantify the target DNA concentration down to 10 nM.
J. Zhang, P. Joshi, Y. Zhou, R. Ding and P. Zhang, Chem. Commun., 2015, 51, 15284 DOI: 10.1039/C5CC06571B
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