Plasmonic nanostars: Synthesis, characterization, surface modification, and applications in sensing, imaging, and photothermal therapy (Conference Presentation)

Aidan Canning; Supriya Atta; Ren A. Odion; Tuan Vo-Dinh

doi:10.1117/12.2650930

17 March 2023 Plasmonic nanostars: Synthesis, characterization, surface modification, and applications in sensing, imaging, and photothermal therapy (Conference Presentation)

Aidan Canning, Supriya Atta, Ren A. Odion, Tuan Vo-Dinh

Author Affiliations +

Proceedings Volume PC12395, Colloidal Nanoparticles for Biomedical Applications XVIII; PC1239506 (2023) https://doi.org/10.1117/12.2650930
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Plasmonic nanoparticles are used in many biomedical applications, ranging from sensing to in vivo imaging and photothermal transduction. The tunable morphology of nanostars including metallic composition, spike length, spike sharpness, and overall size greatly impacts their optical and plasmonic properties. Here, we highlight 3 distinct classes of nanostar-based particle groups where the effect of tuning these properties was investigated: improved gold nanostars (GNS), bimetallic nanostars (BNS), and caged nanostars (CNS). After characterization and simulation via FDTD modeling, particles were assessed for their utility in small-molecule detection, gene probe-based plasmonic sensing, in vivo tumor imaging and detection, and photothermal transduction.

Conference Presentation

Citation Download Citation

Aidan Canning, Supriya Atta, Ren A. Odion, and Tuan Vo-Dinh "Plasmonic nanostars: Synthesis, characterization, surface modification, and applications in sensing, imaging, and photothermal therapy (Conference Presentation)", Proc. SPIE PC12395, Colloidal Nanoparticles for Biomedical Applications XVIII, PC1239506 (17 March 2023); https://doi.org/10.1117/12.2650930

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