Engineering of Nanoscale Contrast Agents for Optical Coherence Tomography

  • Ashwath Jayagopal A
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Optical coherence tomography has emerged as valuable imaging modalityin ophthalmology and other fields by enabling high-resolution three-dimensional imaging of tissue. In this paper, we review recent progress in the field of contrast-enhanced optical coherence tomography (OCT). We discuss exogenous and endogenous sources of OCT contrast, focusing on their use with standard OCT systems as well as emerging OCT-based imaging modalities. We include advances in the processing of OCT data that generate improved tissue contrast, including spectroscopic OCT (SOCT), as well as work utilizing secondary light sources and/or detection mechanisms to create and detect enhanced contrast, including photothermal OCT (PTOCT) and photoacoustic OCT (PAOCT). Finally, we conclude with a discussion of the translational potential of these developments as well as barriers to their clinical use.




Ashwath Jayagopal, A. Y. G. (2014). Engineering of Nanoscale Contrast Agents for Optical Coherence Tomography. Journal of Nanomedicine & Nanotechnology, s5(01).

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