Tunable Morphology of Au Nanostars Enhances Dual-Modal Lateral Flow Immunoassay for Sensitive SARS-CoV-2 Antibody Detection

Key Points

• The aim is to enhance the sensitivity of SARS-CoV-2 antibody detection using tunable gold nanostars.
• Developed gold nanostars with adjustable morphology.
• Applied dual-modal colorimetric and photothermal detection methods.
• Tested the functionality of the nanostars in immunoassays.
• Tunable morphology of gold nanostars significantly improved detection sensitivity.
• Demonstrated successful detection of SARS-CoV-2 antibodies with high reliability.