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Voltage responsivity of pyroelectric sensor
Sensors and Actuators A: Physical, 1999Abstract Composites polymer–ceramic using castor oil-based polyurethane (PU) as non-ferroelectric matrix and Lead Zirconate Titanate (PZT) as ceramic powder have been prepared at thin films form by spin coating. The samples are poled by appropriated electric field to show piezo and pyroelectric activity. The pyroelectric coefficient p ( T ) at 343 K
Sakamoto, W. K. +2 more
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High-voltage bidirectional current sensor
2017 IEEE 12th International Conference on ASIC (ASICON), 2017A high-voltage (HV) bidirectional current sensor using fully-differential amplifier (FDA) is designed and analyzed in this investigation. The FDA balances bidirectional input voltages of the HV current sensor by a feedback loop. Thus, the proposed design can detect the direction and magnitude of the current by the difference between the output voltage ...
Zong-You Hou +2 more
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Fluorescent boost for voltage sensors
Nature, 2016The development of a voltage sensor in which a microbial rhodopsin protein is fused with a fluorescent protein enables the neuronal activity of single cells in live animals to be measured with unprecedented speed and accuracy. ; © 2016 Macmillan Publishers Limited. Published online 27 January 2016.
Gradinaru, Viviana +1 more
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Optically controlled fiber voltage sensor
IEEE Photonics Technology Letters, 2000We describe a fiber optic voltage sensor with optically controlled sensitivity. The sensor operates at two widely separated wavelengths (633 and 976 nm), one of which is a control signal (976 nm). We show that at a properly chosen wavelength of the control signal and of the phase-retarding element, variations of the power of the control signal allow ...
V.N. Filippov +3 more
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Voltage Sensor for Proliferation
Science's STKE, 2006Hegle et al. provide evidence that a K + channel has an ion-independent signaling activity that stimulates cell proliferation. Transfection of the Drosophila ether-à-go-go (EAG) channel into mammalian cultured cells stimulated cell proliferation based on increased ...
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An integrated SAW voltage sensor
IEEE 1988 Ultrasonics Symposium Proceedings., 2003An integrated SAW (surface acoustic wave) voltage sensor is presented, based on the SAW oscillator system, with features such as high sensitivity, broad measuring range, high input impedance, and direct voltage-to-frequency conversion. The dual oscillator system possesses the additional advantage of temperature compensation.
M.J. Vellekoop, C.C.G. Visser
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Biodiversity of voltage sensor domain proteins
Pflügers Archiv - European Journal of Physiology, 2007The six-transmembrane type voltage-gated ion channels play an essential role in neuronal excitability, muscle contraction, and secretion. The voltage sensor domain (VSD) is the key element of voltage-gated ion channels for sensing transmembrane potential, and has been studied at the levels of both biophysics and protein structure.
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Lamb-wave electroacoustic voltage sensor
Journal of Applied Physics, 1985The effect of a bias electric field on the phase velocity of Lamb waves propagating in a piezoelectric plate has been investigated in order to develop an electroacoustic voltage sensor. Experiments were performed on YX and YZ LiNbO3 Lamb-wave delay lines, used as the stabilizing element in the feedback loop of an oscillator, by measuring the fractional
Palma A, Palmieri L, Socino G, Verona E
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Voltage Sensor Meets Lipid Membrane
Science, 2004Several crystal structures of the bacterial voltage-dependent Kchannel have provided intriguing insights into how voltage-dependent ion channels work. In his Perspective, MacKinnon provides a primer on how the voltage sensor of voltage-dependent Kchannels works, and updates the primer with new data provided by the latest spectroscopic study ...
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