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A MnO x -nucleic acid nanoprobe with enzyme-free cascade signal amplification for ultrasensitive intracellular microRNA imaging.

Jiayao XuYuxin QinQiuyi LiangXiaohong ZhongLi HouYong HuangShu-Lin ZhaoHong Liang
Published in: Chemical communications (Cambridge, England) (2022)
A novel MnO x -nucleic acid nanoprobe was constructed for catalytic imaging of microRNA in living cells based on the combination of catalytic hairpin assembly, hybridization chain reaction, and DNAzyme amplification. This nanoprobe exhibited ultrahigh sensitivity and specificity, and could distinguish tumor cells and normal cells by live cell microRNA imaging.
Keyphrases
  • nucleic acid
  • living cells
  • fluorescent probe
  • high resolution
  • single molecule
  • induced apoptosis
  • label free
  • wastewater treatment
  • gold nanoparticles
  • oxidative stress
  • liquid chromatography