Articles with "impedance spectroscopy" as a keyword



Evaluation of Electrical Impedance Spectroscopy‐on‐a‐Needle as a Novel Tool to Determine Optimal Surgical Margin in Partial Nephrectomy

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Published in 2017 at "Advanced Healthcare Materials"

DOI: 10.1002/adhm.201700356

Abstract: A hypodermic needle has been introduced incorporating an electrical impedance spectroscopy (EIS) sensor, called micro-EIS-on-a-needle for depth profiling (μEoN-DP). The μEoN-DP can locate endophytic renal tumors as well as determine tumor margins by detecting the… read more here.

Keywords: tool; electrical impedance; spectroscopy; impedance ... See more keywords

Enhancing Charge Transport in CuBi2O4 Films: The Role of a Protective TiO2 ALD Coating Probed by Impedance Spectroscopy

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Published in 2024 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202400263

Abstract: The common solution for protecting p‐type semiconductors against photocorrosion in a photo‐electrochemical (PEC) cell is by applying a TiO2 over‐layer via atomic layer deposition (ALD). However, for the case of CuBi2O4 (CBO), this approach leads… read more here.

Keywords: spectroscopy; cubi2o4; impedance spectroscopy; tio2 ... See more keywords

Absolute Quantum Efficiency Measurements of Electrochemiluminescent Devices Through Electrical Impedance Spectroscopy

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202401253

Abstract: AC‐operating electrochemiluminescent devices (ECLDs) have recently shown a substantial increase in brightness, making them potentially relevant for applications in lighting and displays. To further improve the performance of these liquid‐state light‐emitting devices, it is essential… read more here.

Keywords: spectroscopy; efficiency; absolute quantum; impedance spectroscopy ... See more keywords
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Impedance Spectroscopy for Identifying Tau-protein to Monitor Anesthesia-based Issues.

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Published in 2021 at "Biotechnology and applied biochemistry"

DOI: 10.1002/bab.2246

Abstract: Anesthesia-related drugs cause various side effects and health-related illnesses after surgery. In particular, neurogenerative disorder is a common problem of anesthesia-related drugs. A patient undergoes anesthesia as a requirement of the preoperative evaluation to diagnose… read more here.

Keywords: impedance spectroscopy; anesthesia related; tau protein; spectroscopy ... See more keywords
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Evaluation of fish freshness using impedance spectroscopy based on the characteristic parameter of orthogonal direction differenc.

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Published in 2020 at "Journal of the science of food and agriculture"

DOI: 10.1002/jsfa.10435

Abstract: BACKGROUND As a non-destructive testing technology, electrochemical impedance spectroscopy (EIS) has been applied to evaluate food quality because of its rapid, low-cost, non-destructive and portability. However, fish freshness evaluation based on existing EIS technology is… read more here.

Keywords: fish freshness; orthogonal direction; spectroscopy; impedance spectroscopy ... See more keywords
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Unraveling Stochastic Dynamics and Switching Mechanism in Ag Network-Based Neuromorphic Device by Impedance Spectroscopy.

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Published in 2025 at "Small"

DOI: 10.1002/smll.202502771

Abstract: Neuromorphic devices are leading advancements in brain-inspired computing. The present study employs impedance spectroscopy on an in-plane volatile neuromorphic device with self-formed silver (Ag) structures to understand its conduction mechanism. Ag islands act as synaptic… read more here.

Keywords: spectroscopy; impedance spectroscopy; impedance; neuromorphic device ... See more keywords

Voltammetry coupled with impedance spectroscopy

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Published in 2020 at "Journal of Solid State Electrochemistry"

DOI: 10.1007/s10008-020-04689-w

Abstract: Dynamic EIS (dEIS) is the joint use of cyclic voltammetry and electrochemical impedance spectroscopy. A method is planned for data evaluation which involves transformations yielding potential program invariant forms of certain characteristic functions. This way… read more here.

Keywords: impedance spectroscopy; voltammetry coupled; coupled impedance; spectroscopy ... See more keywords
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Structural, optical properties, impedance spectroscopy studies and electrical conductivity of SnO2 nanoparticles prepared by polyol method

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-6356-1

Abstract: Tin oxide nanoparticles (SnO2) with controlled shapes and sizes were prepared at 160 °C by a simple polyol method. The formation of typical rutilE−type was confirmed by X-ray diffraction studies, and it was found to be… read more here.

Keywords: sno2 nanoparticles; conductivity; spectroscopy; impedance spectroscopy ... See more keywords

Impedance spectroscopy, ferroelectric and optical properties of cobalt-doped $${Zn}_{1-x}{Co}_{x}O$$ nanoparticles

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Published in 2020 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-020-03085-4

Abstract: Cobalt-doped zinc oxide, i.e., $${Zn}_{1-x}{Co}_{x}O$$ (x = 0.0, 0.02, 0.04 and 0.06) nanoparticles were synthesized by co-precipitation method. The X-ray diffraction patterns confirmed the formation of wurtzite structure in all prepared samples. Impedance spectroscopy was employed to… read more here.

Keywords: ferroelectric optical; cobalt doped; spectroscopy ferroelectric; spectroscopy ... See more keywords

Investigation of Pulsed Thermoelectric Performance by Impedance Spectroscopy

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Published in 2019 at "Journal of Electronic Materials"

DOI: 10.1007/s11664-018-06922-9

Abstract: A widespread use of thermoelectric technology usually collides with their limited efficiency. Efforts to overcome this limitation face difficulties in decoupling the thermal conductivity from the electrical conductivity (because of the Wiedeman–Franz law) and to… read more here.

Keywords: thermoelectric performance; investigation pulsed; spectroscopy; impedance ... See more keywords
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Internal polarization process revelation of electrochemical impedance spectroscopy of proton exchange membrane fuel cell by an impedance dimension model and distribution of relaxation times

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.129358

Abstract: Abstract Electrochemical impedance spectroscopy (EIS) is a widespread non-invasive technology applied in proton exchange membrane (PEM) fuel cell characterization and diagnosis. In an experimental impedance plot, multi-arc nature displays or some arcs may merge. To… read more here.

Keywords: spectroscopy; impedance spectroscopy; impedance; membrane ... See more keywords