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Resultados globales: 7 registros encontrados en 0.02 segundos.
Artículos, Encontrados 7 registros
Artículos Encontrados 7 registros  
1.
12 p, 1.6 MB Tele-supervised home-based transcranial alternating current stimulation (tACS) for Alzheimer's disease : a pilot study / Cappon, Davide (Harvard Medical School) ; Fox, Rachel (Deanna and Sidney Wolk Center for Memory Health at Hebrew SeniorLife) ; den Boer, Tim (Hinda and Arthur Marcus Institute for Aging Research at Hebrew SeniorLife) ; Yu, Wanting (Hinda and Arthur Marcus Institute for Aging Research at Hebrew SeniorLife) ; LaGanke, Nicole (Hinda and Arthur Marcus Institute for Aging Research at Hebrew SeniorLife) ; Cattaneo, Gabriele (Institut Germans Trias i Pujol. Institut Guttmann) ; Perellón-Alfonso, Ruben (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Bartrés-Faz, David (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Manor, Brad (Harvard Medical School) ; Pascual Leone, Álvaro (Harvard Medical School) ; Universitat Autònoma de Barcelona
Over 55 million people worldwide are currently diagnosed with Alzheimer's disease (AD) and live with debilitating episodic memory deficits. Current pharmacological treatments have limited efficacy. Recently, transcranial alternating current stimulation (tACS) has shown memory improvement in AD by normalizing high-frequency neuronal activity. [...]
2023 - 10.3389/fnhum.2023.1168673
Frontiers in human neuroscience, Vol. 17 (june 2023)  
Registro completo - Creative Commons
2.
14 p, 2.1 MB Differential tDCS and tACS Effects on Working Memory-Related Neural Activity and Resting-State Connectivity / Abellaneda-Pérez, Kilian (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Vaqué-Alcázar, Lídia (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Perellón-Alfonso, Ruben (Institut d'Investigacions Biomèdiques August Pi i Sunyer) ; Bargalló, Núria (Hospital Clínic i Provincial de Barcelona) ; Kuo, Min-Fang (Leibniz Research Centre for Working Environment and Human Factors) ; Pascual Leone, Álvaro (Institut Germans Trias i Pujol. Institut Guttmann) ; Nitsche, Michael A. (Department of Neurology, University Medical Hospital Bergmannsheil) ; Bartrés-Faz, David (Institut Germans Trias i Pujol. Institut Guttmann) ; Universitat Autònoma de Barcelona
Transcranial direct and alternating current stimulation (tDCS and tACS, respectively) entail capability to modulate human brain dynamics and cognition. However, the comparability of these approaches at the level of large-scale functional networks has not been thoroughly investigated. [...]
2020 - 10.3389/fnins.2019.01440
Frontiers in Neuroscience, Vol. 13 (january 2020)  
Registro completo - Creative Commons
3.
19 p, 2.8 MB Textile wastewater purification using an elaborated biosorbent hybrid material (Luffa-Cylindrica-Zinc Oxide) assisted by alternating current / Othmani, Amina (Monastir University (Tunísia)) ; Kesraoui, Aida (University of Sousse (Tunísia)) ; Boada, Roberto (Universitat Autònoma de Barcelona. Departament de Química) ; Seffen, Mongi (University of Sousse (Tunísia)) ; Valiente Malmagro, Manuel (Universitat Autònoma de Barcelona. Departament de Química)
This paper aims to synthesize hybrid materials with high pollutant-uptake capacity and low costbased based on Luffa cylindrica (L. C) and different percentage of Zn in the presence and absence of alternating current (AC). [...]
2019 - 10.3390/w11071326
Water, Vol. 11, Issue 7 (July 2019) , art. 326  
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4.
4 p, 257.1 KB Alternating current loss in a cylinder with power-law current-voltage characteristic / Chen, Du-Xing (Institució Catalana de Recerca i Estudis Avançats) ; Gu, C. (Tsinghua University. Applied Superconductivity Research Center) ; American Physical Society
The transportac loss Q in a superconducting cylinder of radius a with a power-law current-voltage characteristicE=Ec∣J/Jc∣n as a function of current amplitude Im is numerically calculated for a set of given values of a,Jc, and frequency f at n=5, 10, 20, and 30. [...]
2005 - 10.1063/1.1947912
Applied physics letters, Vol. 86, Issue 25 (Juny 2005) , p. 252504  
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5.
4 p, 332.2 KB Direct measurements of magnetostrictive process in amorphous wires using scanning tunneling microscopy / Costa, J. L. (Kungl. Tekniska högskolan. Department of Condensed Matter Physics) ; Nogués, Josep (Kungl. Tekniska högskolan (Estocolm (Suècia)) ; Rao, K. V. (Kungl. Tekniska högskolan. Department of Condensed Matter Physics) ; American Physical Society
We demonstrate a versatile capability to measure directly the magnetostrictive properties through the magnetization process on a nanometric scale using a modified scanning tunneling microscope. Single 10 mm long, 125 μm diam amorphouswires of both positive and negative magnetostriction have been studied and the data are compared with the hysteretic loops determined by both ac and SQUID magnetic measurements. [...]
1995 - 10.1063/1.113762
Applied physics letters, Vol. 66, Issue 24 (June 1995) , p. 3374-3376  
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6.
4 p, 497.0 KB Magnetic domain and domain-wall imaging of submicron Co dots by probing the magnetostrictive response using atomic force microscopy / Wittborn, J. (Kungl. Tekniska högskolan. Department of Materials Science) ; Rao, K. V. (Kungl. Tekniska högskolan. Department of Materials Science) ; Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ; Schuller, Ivan K. (University of California, San Diego. Department of Physics) ; American Physical Society
An approach to image the domains and domain walls of small ferromagnetic entities using atomic force microscopy(AFM), with a nonmagnetic AFM probe, has been developed. Exciting the sample in an external acmagnetic field, the distribution of magnetostrictive response at the surface is detected. [...]
2000 - 10.1063/1.126520
Applied physics letters, Vol. 76, Issue 20 (May 2000) , p. 2931-2933  
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7.
4 p, 494.5 KB Nondestructive thickness measurement of biological layers at the nanoscale by simultaneous topography and capacitance imaging / Casuso, Ignacio (Universitat de Barcelona. Departament d'Electrònica) ; Fumagalli, Laura (Universitat de Barcelona. Departament d'Electrònica) ; Gomila, Gabriel (Universitat de Barcelona. Departament d'Electrònica) ; Padrós, Esteve (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular) ; American Physical Society
Nanoscale capacitance images of purple membrane layers are obtained simultaneously to topography in a nondestructive manner by operating alternating current sensing atomic force microscopy in jumping mode. [...]
2007 - 10.1063/1.2767979
Applied physics letters, Vol. 91, Issue 6 (August 2007) , p. 063111/1-063111/3  
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