alexa Engineered microsphere contrast agents for optical coherence tomography.
Materials Science

Materials Science

Journal of Nanomedicine & Nanotechnology

Author(s): Lee TM, Oldenburg AL, Sitafalwalla S, Marks DL, Luo W,

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Abstract Contrast agents are utilized in virtually every imaging modality to enhance diagnostic capabilities. We introduce a novel class of optical contrast agent, namely, encapsulating microspheres, that are based not on fluorescence but on scattering nanoparticles within the shell or core. The agents are suitable for reflection- or scattering-based techniques such as optical coherence tomography, light microscopy, and reflectance confocal microscopy. We characterize the optical properties of gold-, melanin-, and carbon-shelled contrast agents and demonstrate enhancement of optical coherence tomography imaging after intravenous injection of such an agent into a mouse.
This article was published in Opt Lett and referenced in Journal of Nanomedicine & Nanotechnology

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