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

You might also read

Related Articles

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

Sort by
Same author

Dual Quantum Dot Molecular FRET Probes for Picomolar DNA Hexaplexing.

Small methods·2026
Same author

Human blood-derived neural progenitor cells as a platform for developmental neurotoxicity of micro- and nanoplastics.

Neurotoxicology·2026
Same author

Catalytic Efficiency for the Chemoenzymatic Synthesis of Core Human Milk Oligosaccharides and Analogs via Sugar Oxazolines.

Journal of agricultural and food chemistry·2026
Same author

RNA-LNP-mediated in vivo prime editing corrects disease phenotypes in a mouse model of citrullinemia type I.

Science translational medicine·2026
Same author

mRNA delivery of mosaic-8 pan-sarbecovirus RBD vaccines elicits distinct antibody epitope signatures.

Cell reports·2026
Same author

Bivalent mRNA booster encoding virus-like particles elicits potent polyclass receptor-binding domain antibodies in pre-vaccinated mice.

eLife·2026

Related Experiment Video

Updated: Dec 24, 2025

Author Spotlight: High-Quality Quantum Dot Nanobeads for Sensitive Fluorescent Lateral Flow Immunoassays
07:13

Author Spotlight: High-Quality Quantum Dot Nanobeads for Sensitive Fluorescent Lateral Flow Immunoassays

Published on: June 28, 2024

2.0K

Quantum dots as platforms for charge transfer-based biosensing: challenges and opportunities.

W Russ Algar1, Michael H Stewart, Amy M Scott

  • 1Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada. algar@chem.ubc.ca.

Journal of Materials Chemistry. B
|April 9, 2020
PubMed
Summary

Charge transfer (CT) in semiconductor quantum dots (QDs) offers a novel biosensing mechanism. Understanding the electron or hole transfer process is key to advancing QD-based biological imaging and sensing technologies.

More Related Videos

Rapid Detection of Helicobacter pylori Virulence and Typing Using Quantum Dot Labeling Technology
05:13

Rapid Detection of Helicobacter pylori Virulence and Typing Using Quantum Dot Labeling Technology

Published on: June 13, 2025

625
A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis
14:53

A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis

Published on: September 10, 2014

17.7K

Related Experiment Videos

Last Updated: Dec 24, 2025

Author Spotlight: High-Quality Quantum Dot Nanobeads for Sensitive Fluorescent Lateral Flow Immunoassays
07:13

Author Spotlight: High-Quality Quantum Dot Nanobeads for Sensitive Fluorescent Lateral Flow Immunoassays

Published on: June 28, 2024

2.0K
Rapid Detection of Helicobacter pylori Virulence and Typing Using Quantum Dot Labeling Technology
05:13

Rapid Detection of Helicobacter pylori Virulence and Typing Using Quantum Dot Labeling Technology

Published on: June 13, 2025

625
A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis
14:53

A Microfluidic-based Electrochemical Biochip for Label-free DNA Hybridization Analysis

Published on: September 10, 2014

17.7K

Area of Science:

  • Biotechnology
  • Materials Science
  • Nanotechnology

Background:

  • Semiconductor quantum dots (QDs) are highly valued for their photoluminescent properties in biological applications.
  • Charge transfer (CT) modulation of QD emission is an emerging detection method for biosensing.
  • The precise mechanism of CT between QD excitons and redox-active moieties in bioconjugates requires further elucidation.

Purpose of the Study:

  • To explore the utility and challenges of charge transfer (CT) for quantum dot (QD)-based biosensing.
  • To compare CT with Förster resonance energy transfer (FRET) in QD biosensing applications.
  • To summarize the current understanding of the CT mechanism in QD bioconjugate systems.

Main Methods:

  • Literature review and synthesis of existing research on charge transfer in quantum dots.
  • Comparative analysis of charge transfer (CT) and Förster resonance energy transfer (FRET) mechanisms in QD biosensing.
  • Discussion of the underlying principles at the intersection of biological and photovoltaic research with QDs.

Main Results:

  • Charge transfer (CT) presents a promising, yet not fully understood, mechanism for QD-based biosensing.
  • CT offers distinct advantages and challenges compared to FRET for QD biosensor development.
  • The interplay between QD excitons and redox-active biomolecules is central to CT modulation.

Conclusions:

  • Further research is needed to fully characterize the charge transfer (CT) mechanism in QD bioconjugates.
  • Optimizing CT processes can enhance the sensitivity and specificity of QD-based biosensors.
  • Understanding CT is crucial for integrating QD photoluminescence with biological systems for advanced diagnostics.