A reusable biosensor for detecting mercury(ii) at the subpicomolar level based on “turn-on” resonance light scattering
2013
Yue, Qiaoli | Shen, Tongfei | Wang, Junting | Wang, Lei | Xu, Shuling | Li, Haibo | Liu, Jifeng
A reusable sensing strategy employing magnetic nanoparticles and thymine-containing aptamers was developed to detect Hg²⁺ in real water samples based on “turn-on” resonance light scattering. The LOD was as low as 500 fM (S/N = 3), and the present sensor can be repeatedly used for at least seven cycles.
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