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Updated: Jan 30, 2026
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An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation
Published on: August 30, 2017
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Upconversion nanoparticles for in vivo applications: limitations and future perspectives.
Blanca Del Rosal1, Daniel Jaque2,3
1Centre for Micro-Photonics, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Hawthorn, VIC 3122, Australia.
Methods and Applications in Fluorescence
|January 30, 2019
Summary
Upconversion nanoparticles (UCNPs) show promise for biomedical imaging and therapy. However, their limitations need careful consideration for widespread clinical use in small animal models.
Area of Science:
- Biomedical Optics
- Nanotechnology
- Medical Imaging
Background:
- Upconversion nanoparticles (UCNPs) are near-infrared-excited luminescent probes with significant biomedical potential.
- Their applications include in vivo imaging, temperature sensing, and photothermal therapy.
- Despite unique advantages, intrinsic limitations may hinder broad clinical adoption.
Purpose of the Study:
- To analyze the role and evolution of UCNPs in small animal model research.
- To discuss the advantages and limitations of UCNPs for various biomedical applications.
- To evaluate the suitability of UCNPs for preclinical research and potential clinical translation.
Main Methods:
- Literature review of UCNP applications in small animal models.
- Analysis of UCNP evolution from early imaging studies to recent applications.
- Discussion of UCNP advantages and limitations for diverse biomedical uses.
Main Results:
- UCNPs have advanced from basic in vivo fluorescence imaging to more complex therapeutic applications.
- Key advantages include deep tissue penetration and low autofluorescence.
- Significant limitations involve quantum efficiency, photostability, and potential toxicity.
Conclusions:
- UCNPs offer unique capabilities for preclinical research in small animal models.
- Addressing current limitations is crucial for successful translation to clinical settings.
- Further research is needed to optimize UCNP performance and safety for human applications.
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