Wide dynamic range sensing with single quantum dot biosensors.

@article{Opperwall2012WideDR,
  title={Wide dynamic range sensing with single quantum dot biosensors.},
  author={Stacey Renee Opperwall and Anand Divakaran and Elizabeth G. Porter and Jeffrey A Christians and Andrew John Denhartigh and David Eric Benson},
  journal={ACS nano},
  year={2012},
  volume={6 9},
  pages={
          8078-86
        }
}
Single-particle analysis of biosensors that use charge transfer as the means for analyte-dependent signaling with semiconductor nanoparticles, or quantum dots, was examined. Single-particle analysis of biosensors that use energy transfer show analyte-dependent switching of nanoparticle emission from off to on. The charge-transfer-based biosensors reported here show constant emission, where the analyte (maltose) increases the emission intensity. By monitoring the same nanoparticles under various… CONTINUE READING
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