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Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
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Versatile nanodiamond-based tools for therapeutics and bioimaging.

Hoi Man Leung1, Hoi Ching Chu1, Zheng-Wei Mao2

  • 1Department of Chemistry and State Key Laboratory of Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China. peggylo@cityu.edu.hk.

Chemical Communications (Cambridge, England)
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Summary

Nanodiamonds (NDs) offer unique properties for nanomedicine, functioning as versatile tools for bioimaging and drug delivery. Research highlights their potential in various therapies and tissue engineering, despite facing challenges for clinical translation.

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Area of Science:

  • Nanomedicine
  • Materials Science
  • Biotechnology

Background:

  • Nanodiamonds (NDs) are carbon nanoparticles with unique properties like functionalization versatility, tunable opto-magnetic characteristics, and biocompatibility.
  • Negatively charged nitrogen vacancy (NV-) centers in NDs exhibit useful fluorescence properties for probe applications.

Purpose of the Study:

  • To review the opto-magnetic properties of NV- centers in NDs for fluorescence probing.
  • To discuss surface modification methods for NDs in biomedical contexts.
  • To highlight the biocompatibility and diverse biomedical applications of NDs.

Main Methods:

  • Discussion of opto-magnetic properties of NV- centers in NDs.
  • Review of chemical methods for ND surface modification.
  • Analysis of in vitro and in vivo biocompatibility data.
  • Overview of recent applications in bioimaging, drug delivery, and tissue engineering.

Main Results:

  • NDs with NV- centers show promise as fluorescence probes.
  • Surface modification enhances ND suitability for biomedical applications.
  • Modified NDs demonstrate good in vitro and in vivo biocompatibility.
  • NDs are effective in bioimaging, targeted drug delivery, and tissue engineering.

Conclusions:

  • Nanodiamonds are versatile nanomedicine tools with significant potential in diagnostics and therapeutics.
  • Further research is needed to overcome challenges for clinical translation of ND-based applications.