Journal
JOURNAL OF BIOMEDICAL OPTICS
Volume 20, Issue 5, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JBO.20.5.050501
Keywords
nerve; membranes; light coupling; Raman spectroscopy
Funding
- RFBR grant [14-04-31883]
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We show that myelin, the insulation wrap of nerve fibers, can couple laser light, thus behaving as a single-cell optical device. The effect was employed to map distinct myelin regions based on the coupling efficiency. Raman spectra acquisition allowed us to simultaneously understand the underlying microscopic differences in the membrane lipid ordering degree. The described method potentially provides new capabilities in myelin-associated disease studies and can be used as a handy tool for myelin structure investigation in combination with other methods. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
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