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An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation
Published on: August 30, 2017
7.9K
Near-infrared upconversion nanoparticles for bio-applications.
Qing Qing Dou1, Hong Chen Guo1, Enyi Ye1
1Institute of Materials Research and Engineering (IMRE), 3 Research Link, Singapore 117602, Singapore.
Summary
Upconversion nanoparticles (UCNs) offer advanced biomedical solutions, overcoming limitations of traditional biomarkers. Their unique optical properties enable enhanced bioimaging, diagnostics, and therapies with high signal and low toxicity.
Area of Science:
- Biomedical Science
- Nanotechnology
- Optical Materials
Background:
- Upconversion nanoparticles (UCNs) are increasingly utilized in biomedical fields.
- They possess unique anti-Stokes optical properties and near-infrared (NIR) excitation capabilities.
- These characteristics address limitations of conventional luminescent biomarkers.
Purpose of the Study:
- To review the rationale for selecting UCNs in biomedical applications.
- To discuss the advancements in UCN development for biological use.
- To present case studies showcasing UCNs' biomedical utility.
Main Methods:
- Literature review of UCNs in biomedical research.
- Analysis of UCN properties relevant to biological systems.
- Compilation of case studies on UCN applications.
Main Results:
- UCNs provide a high signal-to-noise ratio and stable results.
- They exhibit low cytotoxicity, making them suitable for in vivo applications.
- UCNs demonstrate potential in bioimaging, drug delivery, and photodynamic therapy.
Conclusions:
- UCNs are promising agents for diverse biomedical applications.
- Their unique optical properties offer significant advantages over conventional methods.
- Continued research and development will expand their clinical utility.

