Related Experiment Video
Updated: Mar 24, 2026
12:57
Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
Published on: October 13, 2017
9.6K
Recent developments in Förster resonance energy transfer (FRET) diagnostics using quantum dots
Daniel Geißler1, Niko Hildebrandt2
1Division 1.10 Biophotonics, Federal Institute for Materials Research and Testing (BAM), Richard-Willstätter-Str. 11, 12489, Berlin, Germany. daniel.geissler@bam.de.
Analytical and Bioanalytical Chemistry
|March 14, 2016
Summary
Colloidal semiconductor quantum dots (QDs) enhance bioanalytical methods through Förster resonance energy transfer (FRET) for improved diagnostics. QD-FRET biosensing is advancing multiplexed analysis and light-free detection in consumer electronics.
Area of Science:
- Bioanalytical Chemistry
- Nanotechnology
- Biophysics
Background:
- Colloidal semiconductor quantum dots (QDs) possess unique photophysical properties and nanometric dimensions, attracting significant attention in bioanalysis for two decades.
- Integration of QDs with Förster resonance energy transfer (FRET) has revolutionized fluorescence-based biosensing, enhancing analytical capabilities and diagnostic applications.
Purpose of the Study:
- To review recent advancements in quantum dot Förster resonance energy transfer (QD-FRET) biosensing.
- To highlight the implementation of QD-FRET in consumer electronics, multiplexed analyses, and non-light-dependent diagnostic applications.
Main Methods:
- Utilized QD-FRET biosensing with QDs acting as both FRET donors and acceptors.
- Incorporated techniques including smartphone-based imaging, single- and multistep FRET, steady-state and time-resolved spectroscopy, and bio/chemiluminescence detection.
Main Results:
- Demonstrated the successful application of QD-FRET in diverse formats, including electronic consumer products and multiplexed assays.
- Showcased sensitive diagnostic capabilities through various spectroscopic and light-independent detection methods.
Conclusions:
- QD-FRET biosensing offers significant advantages for developing sensitive and multiplexed diagnostic tools.
- Emerging applications in consumer electronics and novel detection strategies are expanding the utility of QD-FRET technology.
