Anisotropic Gold Nanoparticles in Biomedical Applications.

Area of Science:

• Nanomedicine
• Materials Science
• Biotechnology

Background:

• Gold nanoparticles (AuNPs) are vital in nanomedicine due to their photophysical properties and biocompatibility.
• Anisotropic AuNPs, with tunable localized surface plasmon resonance (LSPR) in the near-infrared region, are increasingly researched.
• Controlled synthesis of anisotropic nanoparticles has surged, driving innovation in biomedical applications.

Purpose of the Study:

• To review recent advances in the synthesis of key anisotropic AuNP classes: nanorods, nanourchins, and nanocages.
• To highlight the biomedical applications of these anisotropic AuNPs in diagnosis and therapeutics.
• To address persistent challenges in scalable production, characterization, and long-term nanotoxicology.

Main Methods:

• Literature review focusing on recent publications.
• Analysis of synthesis strategies for anisotropic gold nanoparticles.
• Examination of applications in diagnostic and therapeutic biomedical fields.

Main Results:

• Significant progress in controlled synthesis of anisotropic AuNPs (nanorods, nanourchins, nanocages).
• Demonstrated utility of anisotropic AuNPs in various diagnostic and therapeutic applications.
• Identification of ongoing challenges in production, characterization, and nanotoxicology.

Conclusions:

• Anisotropic AuNPs show great promise for nanomedicine, with ongoing research addressing synthesis and application.
• Further development is needed for scalable production, comprehensive characterization, and long-term safety assessment.
• Continued interdisciplinary efforts are crucial for translating these nanomaterials into clinical practice.