1. Articles from Frezghi Habte

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    1. Optical coherence contrast imaging using gold nanorods in living mice eyes

      Optical coherence contrast imaging using gold nanorods in living mice eyes

      Background Optical Coherence Tomography (OCT) is a powerful imaging modality to visualize tissue structures, with axial image pixel resolution as high as 1.6 um in tissue. However, OCT is intrinsically limited to providing structural information as the OCT contrast is produced by optically scattering tissues. Methods Here we demonstrate gold nanorods (GNRs) injected into the anterior chamber (AC) and cornea of mice eyes can create a significant OCT signal and hence can be used as a contrast agent for in vivo OCT imaging. Results We show that a low dose of 30 nM of GNRs (13 nm in diameter ...

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