Vladimir L Lyaskovskiy

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We study orientational ordering of membrane compounds in the myelinated nerve fiber by means of polarized Raman microspectroscopy. The theory of orientational distribution functions was adapted to live-cell measurements. The obtained orientational distribution functions of carotenoids and lipid acyl chain clearly indicated a predominantly radial-like(More)
In the present paper we addressed a mechanism of the myelin reorganization initiated by extracellular ATP and adenosine in sciatic nerves of the frog Rana temporaria. In combination with Raman microspectroscopy, allowing noninvasive live-cell measurements, we employed time-of-flight secondary ion mass spectrometry (TOF-SIMS) to follow the underlying changes(More)
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(More)
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