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Updated: Jun 26, 2025

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

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

Published on: June 28, 2024

Graphene quantum dots for biosensing and bioimaging.

P Abdul Rasheed^1,2, Menon Ankitha², Vijayamohanan K Pillai³

¹Department of Biological Sciences and Engineering, Indian Institute of Technology Palakkad Palakkad Kerala 678 557 India abdulrasheed@iitpkd.ac.in.

|May 20, 2024

Summary

This summary is machine-generated.

Graphene Quantum Dots (GQDs) offer unique properties for bioimaging and biosensing. This review covers their synthesis, surface functionalization, and diverse applications in diagnostics and therapy.

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Compact Quantum Dots for Single-molecule Imaging

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

Area of Science:

Nanomaterials Science
Biotechnology
Materials Chemistry

Background:

Graphene Quantum Dots (GQDs) are carbon-based nanomaterials with exceptional physical, chemical, and biological properties.
Their unique electronic structures enable tunable optical/electrical characteristics, heteroatom doping, and surface functionalization.

Purpose of the Study:

To review recent advancements in GQD synthesis methodologies.
To detail GQD surface properties and their applications in bioimaging and biosensing.

Main Methods:

Review of top-down and bottom-up synthesis approaches for GQDs.
Analysis of GQD surface functionalization techniques.
Compilation of reported applications in bioimaging and biosensing.

Main Results:

GQDs are synthesized via top-down and bottom-up methods.
Surface functionalization enhances GQD utility in biological applications.
GQDs demonstrate efficacy in fluorescence and MRI bioimaging, and photoluminescence-based biosensing for various analytes.

Conclusions:

Graphene Quantum Dots show significant promise for advanced bioimaging and biosensing.
Future research should focus on further optimizing synthesis and exploring novel applications.