نتایج جستجو برای: bioelectric phenomenon

تعداد نتایج: 158864  

Journal: :Progress in Biophysics and Molecular Biology 2004

Journal: :BioEssays : news and reviews in molecular, cellular and developmental biology 2007
Scott Stewart Agustin Rojas-Muñoz Juan Carlos Izpisúa Belmonte

All cells have electric potentials across their membranes, but is there really compelling evidence to think that such potentials are used as instructional cues in developmental biology? Numerous reports indicate that, in fact, steady, weak bioelectric fields are observed throughout biology and function during diverse biological processes, including development. Bioelectric fields, generated upo...

Journal: :Critical reviews in biomedical engineering 1997
C R Johnson

Fundamental problems in electrophysiology can be studied by computationally modeling and simulating the associated microscopic and macroscopic bioelectric fields. To study such fields computationally, researchers have developed a variety of numerical and computational techniques. Advances in computer architectures have allowed researchers to model increasingly complex biophysical systems. Model...

2008
Karl H. Schoenbach Carl E. Baum Ravindra P. Joshi Stephen J. Beebe

Experimental studies of bioelectric effects caused by single intense, ultrashort (nanosecond and even subnanosecond), square wave pulses indicate that the product of electric field amplitude and pulse duration, i.e., the electrical impulse, can be considered a similarity or scaling factor. An explanation for this scaling law is based on the assumption that any bioelectric effect in this paramet...

2016
Fateme Pourhasanzade Seyed Hojjat Sabzpoushan Ali Mohammad Alizadeh Ebrahim Esmati

Fateme Pourhasanzade, Seyed Hojjat Sabzpoushan, Ali Mohammad Alizadeh, Ebrahim Esmati a Bioelectric Department, Research laboratory of Biomedical signals and sensors, Iran University of Sciences and Technology (I.U.S.T), Tehran, Iran b Bioelectric Department, Biomedical Engineering Faculty, Iran University of Sciences and Technology (I.U.S.T), Tehran, Iran c Cancer Research Center, Tehran Unive...

Journal: :Journal of General Physiology 1938

Journal: :Journal of General Physiology 1938

Journal: :Investigative ophthalmology & visual science 2012
Tsung-Han Chou Vittorio Porciatti

PURPOSE To compare the bioelectric field associated with the pattern electroretinogram (PERG) with that of the flash electroretinogram (FERG) in the mouse. METHODS PERGs and FERGs were recorded from each eye in 32 C57BL/6J mice using corneal silver loops referenced to a subcutaneous needle on the back of the head. PERG stimuli were horizontal gratings of 0.05 cycles per degree and 98% contras...

Journal: :Journal of Physics: Conference Series 2015

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