Gold–Polymer Nanocomposites for Bioimaging and Biosensing

Abstract

The sections in this article are Introduction Fabrication of Gold Nanocomposites General Aspects “Grafting‐From” Modifications “Grafting‐To” Modifications Post‐Modification Imaging and Labeling with Gold Nanocomposites Optical Imaging Magnetic Resonance Imaging, X ‐Ray Imaging, and Surface‐Enhanced Raman Scattering Imaging Gold Nanocomposites as Indicators Colorimetric Sensors General Aspects Red‐to‐Blue Sensors Crosslinking Aggregation Non‐Crosslinking Aggregation Blue‐to‐Red Sensors Fluorometric Systems with Gold Nanocomposites Fluorescence Quenching System A : Disruption of ds DNA Linker System B : Disruption of Biological Interaction System C : Cleavage of Linking Aptamer and Peptide Time‐Resolved Fluorometry and Fluorescence Polarization Electrochemical Applications of Gold Nanoparticles and Their Composites AuNPs Assembled on Electrode Surfaces for Enhanced Electrode Responses Conducting Polymer/AuNP Composites on Electrodes Applications of Conducting Polymer/AuNP Composites on Electrodes Other Composite Materials for Electrochemical Measurements Composite Nanoparticles and Their Applications as Labels Quantification Strategies Sensitivity Enhancements Perspective