Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

4.0K
Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
4.0K
Photoluminescence: Applications01:14

Photoluminescence: Applications

1.1K
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
1.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Minimally Invasive Chemical Biopsy Needle with Self-Wettable Extraction Phase For In Vivo Tissue Sampling During Medical Procedures.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

Predicting head and neck tumor nodule responses to TLD1433 photodynamic therapy using the image-guided surgery probe ABY-029.

Photochemistry and photobiology·2025
Same author

Image-based treatment planning for TLD1433 mediated intraoperative photodynamic therapy with an optical surface applicator-A translational rodent study.

Photochemistry and photobiology·2025
Same author

Energy Transfer between AGuIX Nanoparticles and Photofrin under Light or X-ray Excitation for PDT Applications.

Pharmaceuticals (Basel, Switzerland)·2024
Same author

Photodynamic therapy reduces the burden of small ultraviolet-induced epidermal clones in human and mouse skin.

The British journal of dermatology·2024
Same author

Epidemiology and Survival of Malignant Central Airway Obstruction in Lung Cancer Identified on Cross-Sectional Imaging.

Journal of bronchology & interventional pulmonology·2024

Related Experiment Video

Updated: Feb 23, 2026

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

9.3K

Quantum dot light emitting devices for photomedical applications.

Hao Chen1, Juan He2, Raymond Lanzafame3

  • 1College of Optics and Photonics, University of Central Florida, Orlando, FL, USA., Nanoscience Technology Center, University of Central Florida, Orlando, FL, USA.

Journal of the Society for Information Display
|September 5, 2017
PubMed
Summary

Deep red quantum dot light-emitting devices (QLEDs) show promise for photomedicine. This study demonstrates their effectiveness in increasing cell metabolism for photobiomodulation (PBM) and killing cancer cells for photodynamic therapy (PDT).

Keywords:
photobiomodulationphotodynamic therapyphotomedicinequantum dot light emitting devices (QLEDs)

More Related Videos

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.7K
Synthesis of Cd-free InP/ZnS Quantum Dots Suitable for Biomedical Applications
10:56

Synthesis of Cd-free InP/ZnS Quantum Dots Suitable for Biomedical Applications

Published on: February 6, 2016

14.6K

Related Experiment Videos

Last Updated: Feb 23, 2026

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode
10:41

Enhanced Electron Injection and Exciton Confinement for Pure Blue Quantum-Dot Light-Emitting Diodes by Introducing Partially Oxidized Aluminum Cathode

Published on: May 31, 2018

9.3K
Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.7K
Synthesis of Cd-free InP/ZnS Quantum Dots Suitable for Biomedical Applications
10:56

Synthesis of Cd-free InP/ZnS Quantum Dots Suitable for Biomedical Applications

Published on: February 6, 2016

14.6K

Area of Science:

  • Photomedicine
  • Materials Science
  • Biotechnology

Background:

  • Existing organic light-emitting diodes (OLEDs) lack the power density and specific wavelengths required for photomedical applications like photodynamic therapy (PDT) and photobiomodulation (PBM).
  • There is a need for flexible, cost-effective illumination devices suitable for widespread clinical use in photomedicine.

Purpose of the Study:

  • To investigate the potential of ultrabright, efficient deep red quantum dot light-emitting devices (QLEDs) as a novel light source for photomedical applications.
  • To demonstrate the in-vitro efficacy of QLEDs for both PBM (enhancing cell metabolism) and PDT (killing cancer cells).

Main Methods:

  • Development and characterization of deep red QLEDs with high power density and specific wavelengths.
  • In-vitro studies assessing the impact of QLED illumination on cell metabolism (for PBM) and cancer cell viability (for PDT).

Main Results:

  • Deep red QLEDs successfully increased cell metabolism in control systems, indicating potential for PBM applications.
  • QLED-based photomedical approach demonstrated efficient killing of cancerous cells, showing promise for PDT.
  • The study provides the first in-vitro evidence of QLEDs' efficacy in both PBM and PDT.

Conclusions:

  • Deep red QLEDs are a viable alternative to existing OLEDs for photomedical applications, offering high power density and specific wavelengths.
  • Flexible, wavelength-specific QLEDs hold significant potential for advancing clinical applications in wound repair and cancer treatment.
  • This work paves the way for the widespread adoption and clinical acceptance of QLED-based photomedical strategies.