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Related Experiment Videos

Self-Illuminating Agents for Deep-Tissue Optical Imaging.

Qing Li1, Jianfeng Zeng1, Qingqing Miao1

  • 1State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, China.

Frontiers in Bioengineering and Biotechnology
|December 5, 2019
PubMed
Summary

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Self-luminescence imaging offers deeper penetration and better signal than traditional fluorescence imaging for biomedical applications. This review highlights design strategies for near-infrared emitting agents for improved deep-tissue optical imaging.

Area of Science:

  • Biomedical Optics
  • Medical Imaging
  • Nanotechnology

Background:

  • Optical imaging is vital in medicine but fluorescence imaging has limited depth due to autofluorescence.
  • Self-luminescence imaging overcomes these limitations by avoiding external excitation, enabling deeper tissue visualization.

Purpose of the Study:

  • To review advancements in near-infrared (NIR) emitting self-luminescence agents for deep-tissue optical imaging.
  • To discuss design principles for molecular and nano-engineered self-illuminating agents.

Main Methods:

  • Literature review of self-luminescence agents for optical imaging.
  • Analysis of molecular and nano-engineering strategies for agent design.
  • Discussion of challenges and future guidelines for agent development.
Keywords:
afterglowbioluminescencechemiluminescencedeep-tissue imagingoptical imagingself-luminescence

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Main Results:

  • Self-luminescence imaging provides deeper imaging depth and higher signal-to-background ratio (SBR) compared to fluorescence imaging.
  • NIR emitting agents are crucial for deep-tissue penetration.
  • Molecular and nano-engineering approaches offer versatile strategies for agent design.

Conclusions:

  • Self-luminescence imaging is a promising modality for deep-tissue biomedical applications.
  • Further development of NIR self-luminescent agents is needed for enhanced diagnostic and therapeutic capabilities.
  • Guidelines for designing effective self-illuminating agents are discussed.