نتایج جستجو برای: depolarization

تعداد نتایج: 14729  

2014
Zhi Zhong Venkat K. Ramshesh Hasibur Rehman Qinlong Liu Tom P. Theruvath Yasodha Krishnasamy John J. Lemasters

BACKGROUND/AIMS An increase of ethanol metabolism and hepatic mitochondrial respiration occurs in vivo after a single binge of alcohol. Here, our aim was to determine how ethanol intake affects hepatic mitochondrial polarization status in vivo in relation to ethanol metabolism and steatosis. METHODS Hepatic mitochondrial polarization, permeability transition (MPT), and reduce pyridine nucleot...

Journal: :Journal of neurophysiology 2009
Sandra Westmark Eugenio E Oliveira Joachim Schmidt

Stick insect middle leg (mesothoracic) motoneurons receive tonic excitatory input during front leg stepping on a treadmill. We studied the pharmacology of this excitatory input to the motoneurons during single-legged treadmill walking (in situ). During bath application of drugs restricted to the mesothoracic ganglion, activity in motoneurons contralateral to the stepping front leg was recorded ...

2015
S. P. Burton J. W. Hair M. Kahnert R. A. Ferrare C. A. Hostetler A. L. Cook D. B. Harper T. A. Berkoff S. T. Seaman J. E. Collins M. A. Fenn R. R. Rogers

Linear particle depolarization ratio is presented for three case studies from the NASA Langley airborne High Spectral Resolution Lidar-2 (HSRL-2). Particle depolarization ratio from lidar is an indicator of non-spherical particles and is sensitive to the fraction of non-spherical particles and their size. The HSRL-2 instrument measures depolarization at three wavelengths: 355, 532, and 1064 nm....

2011
W. Christopher Risher Mark R. Lee Ioulia V. Fomitcheva David C. Hess Sergei A. Kirov

BACKGROUND Spreading depolarizations that occur in patients with malignant stroke, subarachnoid/intracranial hemorrhage, and traumatic brain injury are known to facilitate neuronal damage in metabolically compromised brain tissue. The dramatic failure of brain ion homeostasis caused by propagating spreading depolarizations results in neuronal and astroglial swelling. In essence, swelling is the...

Journal: :physiology and pharmacology 0
ali rastqar mahyar janahmadi neuroscience research center and dept. physiology, faculty of medicine, shaheed beheshti yaghub fathollahi mahyar janahmadi 1neuroscience research center and dept. of physiology, shahid beheshti university (medical campus), tehran,iran .

introduction: the functional effects of orexin-b on the calcium spikes and excitability of the neuronal soma membrane of garden snail, helix aspersa were studied. methods: conventional intracellular recording, under the current clamp conditions was performed to examine the effects of orexin-b on the configuration and electrophysiological properties of calcium spikes. results: application of ore...

Journal: :Optics express 2009
Ivan Mukhin Oleg Palashov Efim Khazanov

The first measurements of thermally induced depolarization in a [110] oriented cubic crystal at powerful heat release were made. It was demonstrated that depolarization in a crystal with such orientation may be less than in analogous crystals having orientation [001] or [111]. In a TGG crystal, for example, maximum depolarization value was 10% and dropped down to 3% with a further increase of r...

Journal: :Journal of Physics: Conference Series 2014

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