Quantitative SERS-based DNA detection assisted by magnetic microspheres.
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.
Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA. peng.zhang@uc.edu.
Jinnan
J
Zhang
Padmanabh
P
Joshi
Yan
Y
Zhou
Rui
R
Ding
Peng
P
Zhang
D004247:DNA / Q000032:analysis*; D059346:Magnets; D053768:Metal Nanoparticles / Q000737:chemistry*; D008863:Microspheres; D010316:Particle Size; D012834:Silver / Q000737:chemistry*; D013059:Spectrum Analysis, Raman; D013499:Surface Properties
D012834:Silver; D004247:DNA