Search Results - "Oh, Chungik"
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Effects of NH4F and distilled water on structure of pores in TiO2 nanotube arrays
Published in Scientific reports (21-08-2018)“…In this study, we report the influences of distilled water and ammonium fluoride (NH 4 F) on morphology of pores in honeycomb-like titanium dioxide (TiO 2 )…”
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2
Effects of membrane thickness on the performance of ionic polymer-metal composite actuators
Published in RSC advances (10-05-2019)“…In this study, we report the effects of Nafion thickness on the performance of ionic polymer-metal composite (IPMC) actuators. We analyzed the actuation…”
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3
Cost-effective and strongly integrated fabric-based wearable piezoelectric energy harvester
Published in Nano energy (01-09-2020)“…Fabric-based wearable electronics are becoming more important in the fourth industrial revolution (4IR) era due to their connectivity, wearability, comfort,…”
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4
Membrane crystallinity and fuel crossover in direct ethanol fuel cells with Nafion composite membranes containing phosphotungstic acid
Published in Journal of materials science (01-03-2017)“…We report on the effect of the addition of phosphotungstic acid (PWA) in Nafion membrane on ethanol-crossover and the proton conductivity for DEFC application…”
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5
Nanoscale effects of beverages on enamel surface of human teeth: An atomic force microscopy study
Published in Journal of the mechanical behavior of biomedical materials (01-10-2020)“…Dental erosion has become a prevalence disease and attracted increasing attention worldwide. In this research, we quantitatively evaluate the mechanical and…”
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6
Flexible piezoelectric liquid volume sensor
Published in Sensors and actuators. A. Physical. (15-06-2018)“…•We developed a contact-free liquid volume sensor based on a flexible PVDF film.•Resonance frequency of vibration is detected using our sensor when a liquid…”
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Membrane crystallinity and fuel crossover in direct ethanol fuel cells with Nafion composite membranes containing phosphotungstic acid
Published in Journal of materials science (01-11-2016)Get full text
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Neuron Culture Systems: Astrocyte‐Encapsulated Hydrogel Microfibers Enhance Neuronal Circuit Generation (Adv. Healthcare Mater. 5/2020)
Published in Advanced healthcare materials (04-03-2020)“…In article number 1901072 by Insung S. Choi and co‐workers, a 3D neuron‐culture system is fabricated by encapsulating astrocytes (green in the picture) in…”
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Astrocyte‐Encapsulated Hydrogel Microfibers Enhance Neuronal Circuit Generation
Published in Advanced healthcare materials (01-03-2020)“…Astrocytes, the most representative glial cells in the brain, play a multitude of crucial functions for proper neuronal development and synaptic‐network…”
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10
Effects of NH 4 F and distilled water on structure of pores in TiO 2 nanotube arrays
Published in Scientific reports (21-08-2018)“…In this study, we report the influences of distilled water and ammonium fluoride (NH F) on morphology of pores in honeycomb-like titanium dioxide (TiO )…”
Get full text
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11
Visualization of reaction chemistry in W-KClO4-BaCrO4 delay mixtures via a Sestak-Berggren model based isoconversional method
Published 10-12-2021“…The combustion delay mixture of tungsten (W), potassium perchlorate (KClO4), and barium chromate (BaCrO4), also known as the WKB mixture, has long been…”
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12
Visualization of Ion Channels in Membranes using Electrochemical Strain Microscopy
Published 02-09-2019“…Polymer composite electrolytes of Nafion and phosphotungstic acid (PWA) are fabricated and analyzed using electrochemical strain microscopy (ESM) and…”
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13
Nanoscale characterization of the impact of beverages on the enamel surface of human teeth
Published 02-09-2019“…Here we quantitatively evaluate the early stages of mechanical and morphological changes of polished human enamel surfaces induced by soft drinks using atomic…”
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