Novel nanosystems enabling near and far IR multimodal imaging

Smita Dayal; Robert Krolicki; Clemens Burda

doi:10.1117/12.619137

18 August 2005 Novel nanosystems enabling near IR multimodal imaging

Smita Dayal, Robert Krolicki, Clemens Burda

Proceedings Volume 5929, Physical Chemistry of Interfaces and Nanomaterials IV; 59290D (2005) https://doi.org/10.1117/12.619137
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Narrow and symmetric emission spectrum, continuous excitation spectrum, high quantum yields and resistance to photobleaching are outstanding advantages semiconductor nanoparticles exhibit ideally compared to conventional fluorescent dyes. However, it is still a challenge to replace existing organic fluorophores and develop a tool for imaging and site-specific drug delivery. In this presentation, we demonstrate the chemistry and spectroscopy of homogeneously alloyed nanocrystals and nanocrystal-doped protein microspheres, emitting the IR and near-infra red as tools for bio-imaging, and drug delivery, respectively. In addition, nanoparticles are studied as energy donors to photosensitizer phthalocyanine dyes, which have proven potential for photodynamic therapy.

Citation Download Citation

Smita Dayal, Robert Krolicki, and Clemens Burda "Novel nanosystems enabling near IR multimodal imaging", Proc. SPIE 5929, Physical Chemistry of Interfaces and Nanomaterials IV, 59290D (18 August 2005); https://doi.org/10.1117/12.619137

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