Jump to Main Content
- Li, Jingjing; Xi, Hongyan; Kong, Caiyun; Liu, Qingyun; Chen, Zhengbo
- Analytical chemistry 2018 v.90 no.19 pp. 11723-11727
- DNA damage; aptasensors; colorimetry; exodeoxyribonucleases; heavy metals; metal ions; microscopy; nanogold; nanosilver; river water; silver; single-stranded DNA; thymine
- ... Robust but ultrasensitive aptasensors with an ability to detect lower concentrations of heavy metal ions enable the detection of serious environmental and health issues. We herein develop a label-free aptasensor for ultrasensitive detection of the silver ion (Ag⁺) utilizing gold nanoparticle (AuNP) intensity measurement methodology by dark-field microscopy, which is based on target Ag⁺ and exonucl ...