I. V. Kuznetzova

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Using the extracellular recording we studied the effect of 4-aminopyridine (4-AP), a potassium channel blocker on the electrical activity of the myelinated nerve fibres of amphibia Rana ridibunda Pallas. Two main types of the reaction on 4-AP were established: extension of the action potential and multi-spike response. In some cases the nerve fibres with(More)
First results of endoscopic applications of optical coherence tomography for in vivo studies of human mucosa in respiratory, gastrointestinal, urinary and genital tracts are presented. A novel endoscopic OCT (EOCT) system has been created that is based on the integration of a sampling arm of an all-optical-fiber interferometer into standard endoscopic(More)
We report results of application of our endoscopic optical coherence tomography (EOCT) system in clinical experiments to image human internal organs. Based on the experience of studying more than 100 patients, we make first general conclusions on the place and capabilities of this method in diagnosing human mucous membranes. It is demonstrated that EOCT can(More)
The mechanism underlying the voltage-dependent action of 4-aminopyridine (4-AP) is investigated in experiments on amphibian myelinated nerve fibres (Rana ridibunda Pallas) by way of extracellular recording of electrical activity and using activators of potassium current (potassium-free solution and nitric oxide NO) and inhibitors of sodium current(More)
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