Tetrahedral DNA-directed core-satellite assembly as SERS sensor for mercury ions at the single-particle level
Feng Ning, Jingjing Shen, Chang Li, Qianqian Zhao, Essy Kouadio Fodjo, Lei Zhang, Shufen Chen, Quli Fan, Lianhui Wang
Abstract
We have designed a single-particle detection assay for quantifying Hg 2+ by DFM-correlated Raman spectroscopy. A tetrahedral DNA-directed core-satellite nanostructure is used as the SERS probe.
Topics & Concepts
Raman spectroscopyIonMaterials scienceAnalytical Chemistry (journal)Mercury (programming language)SelectivityAptamerNanotechnologyChemistryOpticsPhysicsChromatographyComputer scienceBiochemistryProgramming languageGeneticsOrganic chemistryBiologyCatalysisAdvanced biosensing and bioanalysis techniquesGold and Silver Nanoparticles Synthesis and ApplicationsBiosensors and Analytical Detection