Articles with "alternating current" as a keyword



Home-Based Gamma Transcranial Alternating Current Stimulation in Patients With Alzheimer Disease: A Randomized Clinical Trial.

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Published in 2025 at "JAMA network open"

DOI: 10.1001/jamanetworkopen.2025.46556

Abstract: Key Points Question Is gamma–transcranial alternating current stimulation (tACS) over the precuneus effective in a home-based setting for patients with Alzheimer disease? Findings In this randomized clinical trial including 50 patients with prodromal or mild… read more here.

Keywords: alzheimer disease; disease; current stimulation; gamma transcranial ... See more keywords

Advances in Alternating Current Electroluminescent Devices

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Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201801154

Abstract: Alternating current (AC)‐driven electroluminescent (EL) devices have recently attracted attention as potential alternatives to direct current (DC)‐driven organic light‐emitting diodes (OLEDs), as they have the great advantage of easy integration into the AC power system… read more here.

Keywords: current electroluminescent; alternating current; driven devices; advances alternating ... See more keywords

Alternating Current Photodetectors in Hybrid Perovskites with Modulated Oscillation Frequency

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Published in 2025 at "Advanced Optical Materials"

DOI: 10.1002/adom.202500213

Abstract: Growing interest has emerged in the alternating current (AC) photovoltaic effect, distinct from the traditional direct‐current (DC)‐based photovoltaic effect. This effect arises from the relative movement and reorganization of quasi‐Fermi levels at material interfaces when… read more here.

Keywords: oscillation; alternating current; photovoltaic effect; oscillation frequency ... See more keywords

An Alternating Current Electroosmotic Flow‐Based Ultrasensitive Electrochemiluminescence Microfluidic System for Ultrafast Monitoring, Detection of Proteins/miRNAs in Unprocessed Samples (Adv. Sci. 6/2024)

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202470033

Abstract: Portable Electrochemiluminescence Microfluidic Devices In article number 2307840, Hui Chen, Huali Shen, Jilie Kong, Xueen Fang, and co‐workers report an ultrasensitive, rapid and portable electrochemiluminescence‐microfluidic (ECL‐M) system based on alternating current electroosmotic flow for diagnosis… read more here.

Keywords: system; current electroosmotic; electrochemiluminescence microfluidic; alternating current ... See more keywords

Alternating Current Electrospinning: A Novel and Efficient Fabrication Method for Curcumin‐Loaded Polylactic Acid Nanofibers Compared to Direct Current Electrospinning

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Published in 2025 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.57585

Abstract: This study compares nanofibrous materials produced via needleless alternating current (AC) (novel technology) and needleless direct current (DC) electrospinning. AC electrospinning was carried out using unique laboratory equipment, while DC electrospinning was performed on the… read more here.

Keywords: polylactic acid; direct current; curcumin; alternating current ... See more keywords

Carboxymethyl cellulose: an efficient material in enhancing alternating current conductivity of HCl doped polyaniline

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Published in 2017 at "Cellulose"

DOI: 10.1007/s10570-017-1610-5

Abstract: In the present research, to enhance the alternating current conductivity of polyaniline (PANI), carboxymethyl cellulose (CMC), a biopolymer, is used to prepare optimized polyaniline-carboxymethyl cellulose (PANI-CMC) composite. The composite was synthesized by in situ polymerization… read more here.

Keywords: carboxymethyl cellulose; pani; alternating current; conductivity ... See more keywords
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Heat transfer analysis of feedthrough flange under high alternating current condition

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Published in 2020 at "Science China Technological Sciences"

DOI: 10.1007/s11431-019-1497-4

Abstract: The heat transfer characteristics of feedthrough flange under high alternating current excitation were investigated by three-dimensional finite element model. The correlations between the heat transfer behaviors and system parameters including applied current, ceramic thickness and… read more here.

Keywords: condition; alternating current; high alternating; heat transfer ... See more keywords
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Effects of stimulating the supplementary motor area with a transcranial alternating current for bimanual movement performance

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Published in 2020 at "Behavioural Brain Research"

DOI: 10.1016/j.bbr.2020.112801

Abstract: Transcranial alternating current stimulation (tACS) can regulate the frequency of neuronal activity in the cerebral cortex. Beta (β) activity in the supplementary motor area (SMA) is involved in motor planning and maintenance while gamma (γ)… read more here.

Keywords: condition; alternating current; motor; performance ... See more keywords

Microbial electrochemical system for the phenol degradation using alternating current: Metabolic pathway study.

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Published in 2018 at "Bioelectrochemistry"

DOI: 10.1016/j.bioelechem.2018.12.002

Abstract: The present study was conducted to investigate the effect of alternating current (AC) on phenol removal in a microbial electrochemical system (MES) and determine its by-products. The bioreactor used for this purpose operates in the… read more here.

Keywords: system; using alternating; study; alternating current ... See more keywords
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A direct comparison of the electrophysiological effects of transcranial direct and alternating current stimulation in healthy subjects

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Published in 2020 at "Brain Research"

DOI: 10.1016/j.brainres.2020.147065

Abstract: OBJECTIVE Despite the clinical effectiveness of transcranial direct current stimulation (tDCS) and transcranial alternating current stimulation (tACS), the comparability of these interventions in neurophysiological aspects have not been thoroughly investigated. Thus, we aimed to directly… read more here.

Keywords: stimulation; current stimulation; alternating current; tacs ... See more keywords

Large-scale directed assembly of single-walled carbon nanotube devices by alternating current coupling dielectrophoresis

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Published in 2017 at "Carbon"

DOI: 10.1016/j.carbon.2017.08.037

Abstract: Abstract Single-walled carbon nanotubes (SWNTs), especially suspended SWNTs, have attracted the attention of many researchers due to their unique properties. However, the processes to maintain suspended SWNTs in a controllable individual or single bundle deposition… read more here.

Keywords: carbon; walled carbon; carbon nanotube; single walled ... See more keywords