Gold Nanoparticles for Targeting of Biomedical Applications: A Review

The advancement of techniques for synthesizing nanoparticles is an important step in the field of nanotechnology. Gold nanoparticles (AuNPs) are increasing popular for detection of a multitude of biomolecules, proteins and nucleic acids. Incorporating AuNPs onto the sensing surface of biosensors to identify molecules with improved signals has been the subject of extensive research in the past ten years. This brief review describes the methods of AuNPs synthesis and their applications. It also describes a recent method to enhance surface plasmon resonance (SPR) detection capabilities using AuNPs.