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19 April 2017 Improving imaging of the air-liquid interface in living mice by aberration-corrected optical coherence tomography (mOCT) (Conference Presentation)
Hinnerk Schulz-Hildebrandt, Benjamin Sauer, Fred Reinholz, Mario Pieper, Markus Mall, Peter König, Gereon Huettmann
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Proceedings Volume 10041, Optical Techniques in Pulmonary Medicine II; 1004105 (2017) https://doi.org/10.1117/12.2252558
Event: SPIE BiOS, 2017, San Francisco, California, United States
Abstract
Failure in mucociliary clearance is responsible for severe diseases like cystic fibroses, primary ciliary dyskinesia or asthma. Visualizing the mucous transport in-vivo will help to understanding transport mechanisms as well as developing and validating new therapeutic intervention. However, in-vivo imaging is complicated by the need of high spatial and temporal resolution. Recently, we developed microscopy optical coherence tomography (mOCT) for non-invasive imaging of the liquid-air interface in intact murine trachea from its outside. Whereas axial resolution of 1.5 µm is achieved by the spectral width of supercontinuum light source, lateral resolution is limited by aberrations caused by the cylindric shape of the trachea and optical inhomogenities of the tissue. Therefore, we extended our mOCT by a deformable mirror for compensation of the probe induced aberrations. Instead of using a wavefront sensor for measuring aberrations, we harnessed optimization of the image quality to determine the correction parameter. With the aberration corrected mOCT ciliary function and mucus transport was measured in wild type and βENaC overexpressing mice, which served as a model for cystic fibrosis.
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Hinnerk Schulz-Hildebrandt, Benjamin Sauer, Fred Reinholz, Mario Pieper, Markus Mall, Peter König, and Gereon Huettmann "Improving imaging of the air-liquid interface in living mice by aberration-corrected optical coherence tomography (mOCT) (Conference Presentation)", Proc. SPIE 10041, Optical Techniques in Pulmonary Medicine II, 1004105 (19 April 2017); https://doi.org/10.1117/12.2252558
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KEYWORDS
Optical coherence tomography
In vivo imaging
Interfaces
Spectral resolution
Tissue optics
Human-machine interfaces
Microscopy
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