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 Experiment Video

Updated: Jun 30, 2026

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

Semiconductor quantum dots for bioanalysis.

Ron Gill1, Maya Zayats, Itamar Willner

  • 1Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.

Angewandte Chemie (International Ed. in English)
|September 24, 2008
PubMed
Summary
This summary is machine-generated.

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

Redox- and Photo-Responsive Fe<sup>3+/2+</sup>-Cross-Linked Carboxymethyl Cellulose Methacrylate Dissipative Gels: Synthesis and Applications.

ACS applied materials & interfaces·2026
Same author

Intracellular logic computing with DNA tetrahedron processors enables precision cancer theranostics.

Signal transduction and targeted therapy·2026
Same author

Dictated cell adhesion and migration using microfluidic-controlled synthetic hydrogels exhibiting programmable viscoelasticities.

Journal of materials chemistry. B·2026
Same author

Photoactivated Signaling Networks using DNA-Based Synthetic Organelles as Biomimetic Protocells.

Angewandte Chemie (International ed. in English)·2026
Same author

Dynamic Switchable and Transient DNA Condensates Driven by Aptamer-Ligand or Ion-Nucleobase Bridged Complexes.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Allosteric ligand-aptamer complexes orchestrate supramolecular or transient catalytic, transcription and fibrinogenesis processes.

Chemical science·2026
Same journal

Fundamentals, Measurement and Regulation of the Conductance of Single Molecule Junctions.

Angewandte Chemie (International ed. in English)·2026
Same journal

Quantitative Photoswitching of Spin States in o-Fluoroazobenzene-Loaded Metal-Organic Frameworks.

Angewandte Chemie (International ed. in English)·2026
Same journal

Cobalt Nanoparticles Confined in Defective Carbon Matrices for Robust Intermittent CO<sub>2</sub> Methanation.

Angewandte Chemie (International ed. in English)·2026
Same journal

Copper(II/III) Redox Couple Enables C─H Methylation via a Radical Mechanism Analogous to SAM Enzymes.

Angewandte Chemie (International ed. in English)·2026
Same journal

Ring Strain Engineering of Cyclic Ethers for High-Performance Sodium Metal Batteries.

Angewandte Chemie (International ed. in English)·2026
Same journal

Bond Length as a Unified Descriptor for Stable Iodine Battery.

Angewandte Chemie (International ed. in English)·2026
See all related articles

Semiconductor nanoparticles, or quantum dots (QDs), offer unique optical properties for biosensing applications. Their use as labels enables sensitive detection of biomolecules and monitoring of biocatalytic processes.

Area of Science:

  • Nanotechnology
  • Biochemistry
  • Analytical Chemistry

Background:

  • Semiconductor nanoparticles (quantum dots, QDs) possess unique photophysical properties like size-controlled fluorescence and photostability.
  • These properties make QDs valuable as optical labels in biological assays and for probing biocatalytic reactions.

Purpose of the Study:

  • To explore the application of QDs in biosensing and biocatalysis.
  • To highlight QD-based methods for detecting biomolecular interactions and transformations.

Main Methods:

  • Utilizing QDs as fluorescent labels for immunocomplexes and DNA hybridization.
  • Employing fluorescence resonance energy transfer (FRET) or photoinduced electron transfer (PET) to monitor biocatalysis.
  • Integrating QD-biomolecule hybrids with electrodes for photoelectrochemical transduction.

More Related Videos

Fluorescent Lateral Flow Immunoassay Based on Quantum Dots Nanobeads
07:13

Fluorescent Lateral Flow Immunoassay Based on Quantum Dots Nanobeads

Published on: June 28, 2024

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

Related Experiment Videos

Last Updated: Jun 30, 2026

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

Fluorescent Lateral Flow Immunoassay Based on Quantum Dots Nanobeads
07:13

Fluorescent Lateral Flow Immunoassay Based on Quantum Dots Nanobeads

Published on: June 28, 2024

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

  • Using QDs as labels for electrochemical detection of DNA and proteins.

    • Main Results:

    • QDs enable multiplexed analysis of biological events.
    • QD-based assays can probe nucleic acid replication, enzymatic activity (tyrosinase, proteases), and biocatalyzed transformations.
    • Photoelectrochemical methods with QDs generate photocurrents for biorecognition events.
    • Electrochemical detection using QDs allows sensitive quantification of DNA and proteins.

    Conclusions:

    • Semiconductor nanoparticles offer versatile platforms for advanced biosensing.
    • QDs facilitate sensitive and multiplexed detection of biological analytes and processes.
    • QD-based electrochemical and photoelectrochemical methods provide powerful tools for bioanalysis.