Perrier, Jean-François and Jørn Hounsgaard. Ca-activated nonselective cationic current (ICAN) in turtle motoneurons. J. Neurophysiol. 82: 730–735, 1999. The presence of a calcium-activated nonspecific cationic (CAN) current in turtle motoneurons and its involvement in plateau potentials, bistability, and windup was investigated by intracellular recordings in a spinal cord slice preparation. In ...

Thin films (20-150 nm thickness) of poly(o-anthranilic acid) with various doping levels were prepared on silicon substrates with deposited indium tin oxide, and their topography and current-voltage (I-V) characteristics were quantitatively investigated using current-sensing atomic force microscopy with a platinum-coated tip. The films were found to have a surface morphology like that of orange ...

The presence of a calcium-activated nonspecific cationic (CAN) current in turtle motoneurons and its involvement in plateau potentials, bistability, and wind-up was investigated by intracellular recordings in a spinal cord slice preparation. In the presence of tetraethylammonium (TEA) and tetrodotoxin (TTX), calcium action potentials evoked by depolarizing current pulses were always followed by...

The output of cerebellar Purkinje cells has been characterized extensively and theories regarding the role of simple spike (SS) and complex spike (CS) patterns have evolved through many different studies. A bistable pattern of SS output can be observed in vitro; however, differing views exist regarding the occurrence of bistable SS output in vivo. Bistability in Purkinje cell output is characte...

The bipolar tunneling transport through p—i—n double barrier structures has been studied by means of simultaneous electrical transport measurements and electroluminescence spectroscopy. An “inverted” hysteresis loop is observed at the onset of the first electronic resonance in the current—voltage characteristics with an electrical ON/OFF ratio of more than two orders of magnitude. Relating the ...

Transient voltage oscillation was observed in the spin-density wave phase of (TMTSF)2AsFs. Its frequency is proportional to the non-ohmic current. In high electric field, current-field relation becomes irregular and transient oscillation diminishes. The bistability of the density-wave conductivity proposed by Littlewood is likely to be realized.

Rate-dependent bistability and hysteresis have recently been observed to be highly prevalent in periodically stimulated bullfrog ventricular muscle. Similar bistabilities have been found in in vivo sheep atria at interstimulus intervals for which spatiotemporally complex behaviors, possibly atrial flutter and fibrillation, are observed. Might bistability play a role in the onset of spatiotempor...

We predict a bistability in the photon emission from a solid-state single-atom laser comprising a microwave cavity coupled to a voltage-biased double quantum dot. To demonstrate that the single-atom laser is bistable, we evaluate the photon emission statistics and show that the distribution takes the shape of a tilted ellipse. The switching rates of the bistability can be extracted from the ele...

The present work reports on the investigations of the magnetization reversal of the system of two glass covered amorphous microwires with circular magnetic bistability. The experiments have been carried out using the transverse magneto-optical Kerr effect in circular and axial magnetic field. The electric current flowing through two wires in opposite directions produced the circular magnetic fi...