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DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
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Activatable nanoprobes for biomolecular detection.

Pengcheng Zhang1, Andrew G Cheetham1, Lye Lin Lock1

  • 1Department of Chemical and Biomolecular Engineering, Institute for NanoBioTechnology, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States.

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Activatable nanoprobes offer enhanced detection of disease biomarkers. These nanoscale tools improve in vitro and in vivo biomolecule analysis for accurate diagnosis and treatment.

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Molecular Diagnostics

Background:

  • Accurate detection of pathologically relevant biomolecules is crucial for disease diagnosis, staging, and treatment.
  • Intercellular, cellular, and subcellular events provide essential diagnostic information.
  • Current detection methods may have limitations in sensitivity or specificity.

Purpose of the Study:

  • To review recent advancements in activatable nanoprobes for biomolecule detection.
  • To highlight the advantages of activatable nanoprobes in diagnostics.
  • To showcase examples of nanoprobes for in vitro and in vivo applications.

Main Methods:

  • Review of recent scientific literature on activatable nanoprobes.
  • Focus on nanoprobes activated by specific biological reactions or interactions.
  • Analysis of applications in biomolecule detection.

Main Results:

  • Activatable nanoprobes demonstrate improved detection capabilities for biomolecules.
  • These nanoprobes offer advantageous properties for both in vitro and in vivo applications.
  • Recent developments show diverse strategies for probe activation.

Conclusions:

  • Activatable nanoprobes represent a promising technology for enhanced biomolecule detection.
  • Their application can lead to more accurate disease diagnosis and staging.
  • Further development holds potential for improved patient treatment strategies.