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2521
Electrophoretic Deposition of Chitosan Films Doped with Nd2Ti2O7 Nanoparticles as Protective Coatings against Corrosion in Saline Solutions
Published 2019-01-01“…According to the FT-IR (Fourier transform infrared spectroscopy), Raman, and XRD (X-ray diffraction) analyses, it was observed that the presence of the nanoparticles modified the properties of the chitosan films, that is, their crystallinity was increased and their moisture absorption capacity was reduced. …”
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2522
Anticancer Potential of Green Synthesized Silver Nanoparticles Using Extract of Nepeta deflersiana against Human Cervical Cancer Cells (HeLA)
Published 2018-01-01“…The prepared AgNPs (ND-AgNPs) were examined by ultraviolet-visible spectroscopy, Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscope (SEM), and energy dispersive spectroscopy (EDX). …”
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2523
Preparation and properties of alkali-activated slag-like powder paste
Published 2025-03-01“…Additionally, a series of analytical techniques, including X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and scanning electronic microscopy with energy dispersive spectroscopy (SEM-EDS), were used to explain the underlying reasons for the differences in macroscopic properties from a microscopic perspective. …”
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2524
Valorization of Date Pits as an Effective Biosorbent for Remazol Brilliant Blue Adsorption from Aqueous Solution
Published 2020-01-01“…The characterization of RDP material is investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), and Fourier-transform infrared spectroscopy (FTIR). Based on the calculation, the kinetic rate of the adsorption was well modeled by pseudo-second-order and Langmuir isotherm. …”
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2525
Pain Measurement through Temperature Changes in Children Undergoing Dental Extractions
Published 2016-01-01“…Pain evaluation in children can be a difficult task, since it possesses sensory and affective components that are often hard to discriminate. Infrared thermography has previously been used as a diagnostic tool for pain detection in animals; therefore, the aim of this study was to assess the presence of temperature changes during dental extractions and to evaluate its correlation with heart rate changes as markers of pain and discomfort. …”
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2526
Encapsulation of Hydrogen Peroxide in PVA/PVP Hydrogels for Medical Applications
Published 2025-01-01“…The structural and morphological properties of the hydrogel were characterized using Fourier transform infrared spectroscopy (FTIR), environmental scanning electron microscope analysis (E-SEM), and water-swelling tests. …”
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2527
Influence of malting and fermentation on the nutritional composition, thermal stability, structural and physicochemical properties of a gluten-free flour blend of Digitaria exilis...
Published 2025-06-01“…Magnesium content ranged from 33.33 in FFS to 85.00 mg/100 g in MFDF, and zinc content increased from 0.04 in FFS to 0.17 mg/100 g in MFDF. Fourier transform infrared (FTIR) spectra showed changes and enhancements in band intensities, while scanning electron microscopy (SEM) revealed changes in microstructure due to fermentation and malting. …”
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2528
Sodium cation exchanged zeolites for direct air capture of CO2
Published 2025-01-01“…This study systematically investigated the CO2 adsorption-desorption performance of the representative zeolites (ZSM-5, Beta, Mordenite and Y) in H- and Na-forms using various analytical methods, including in-situ Diffuse Reflectance Infrared Fourier Transform spectroscopy. Compared to the corresponding H-zeolites, the enhancement of CO2 adsorption capacity by Na+ ions was observed for all the structure-type zeolite adsorbents. …”
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2529
Multifield Coupling Mechanism of Unloading Deformation and Fracture of Composite Coal-Rock
Published 2021-01-01“…The experimental results show that the internal infrared radiation temperature of the composite coal-rock decreases during the initial stage of loading and unloading due to the discharge of internal gas. …”
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2530
fNIRS neurofeedback facilitates emotion regulation: Exploring individual differences over the ventrolateral prefrontal cortex
Published 2025-03-01“…Participants in the experimental group underwent VLPFCNF training over eight sessions across two consecutive days, while those in the sham group received random signals from functional near-infrared spectroscopy (fNIRS). To investigate individual variability, participants in the experimental group were further categorized as high or low-efficacy groups based on their training efficiency, determined by the regression slope of VLPFC activity over the sessions. …”
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2531
A Study and Comparison of the Preparation of Gadolinium Aluminate Nanoparticles Using γ-Irradiated and Unirradiated Precursors
Published 2018-01-01“…The formation of NPs has been confirmed by X-ray diffraction analysis (XRD) and Fourier-transform infrared (FT-IR) spectroscopy. The results indicate towards the formation of an orthorhombic perovskite structure of GdAO3 in the Pbnm space group. …”
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2532
Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates
Published 2018-01-01“…Copolymers were characterized by hydrogen nuclear magnetic resonance (1H-NMR), size exclusion chromatography (SEC), and Fourier transform infrared (FTIR) spectroscopy. All polymers exhibited narrow molar masses distributions (Mw/Mn<1.54), and their thermal properties were analyzed by isothermal crystallization kinetics (Avrami’s theory, by using differential scanning calorimetry (DSC)) and by employing modulated thermogravimetric analysis (MTGA). …”
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2533
Development of a Sustainable Flexible Humidity Sensor Based on <i>Tenebrio molitor</i> Larvae Biomass-Derived Chitosan
Published 2025-01-01“…Comprehensive characterization of the chitosan film was performed using Fourier-transform infrared (FTIR) spectroscopy, contact angle measurements, and tensile testing, which confirmed its chemical structure, wettability, and mechanical stability. …”
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2534
A Preliminary Study to Evaluate Recovery in Environmental Microplastic Analysis
Published 2024-01-01“…MPs in the samples, which underwent a series of experimental processes, such as density separation (NaCl) and organic removal (30% H2O2), were later visually inspected with a stereo microscope and then identified with an Attenuated Total Reflectance (ATR)-Fourier Transform Infrared (FTIR) spectrometer. Polyethylene, Tencel, and Polyacetylene (>70% matching rate) type MPs were detected in soil and dust samples, mainly in the form of fibers and fragments, with sizes ranging between 57.0-4989 µm and 36.2-2636 µm, with an average of 1.43±0.574 MP/g and 5500±2531 MP/g, respectively. …”
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2535
Unexpected stability of the iron(II) complex by an asymmetrical Schiff base from Fe(III): structure, magnetic and Mössbauer investigations
Published 2025-01-01“…This complex was characterized by elemental analysis, infrared spectra, single crystal and powder X-ray diffraction measurements, variable temperature DC magnetic measurement and room temperature Mössbauer spectroscopy. …”
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2536
Intrinsically anisotropic 1D NbTe4 for self-powered polarization-sensitive photodetection
Published 2024-11-01“…Meanwhile, the device exhibits a pronounced photothermoelectric effect, conferring a broad spectral photoresponse ranging from visible to near-infrared wavelengths (532-1064 nm), with a rapid response time of 158 ms. …”
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2537
Potential Technosignature from Anomalously Low Deuterium/Hydrogen in Planetary Water Depleted by Nuclear Fusion Technology
Published 2025-01-01“…These are vibrational O–D stretching at 3.7 μ m in transmission spectroscopy of Earth-like worlds, ∼1.5 μ m (in the wings of the 1.4 μ m water band) in the shorter near-infrared for direct imaging by the Habitable Worlds Observatory, and ∼7.5-8 μ m (in the wings of the broad 6.3 μ m bending vibration of water) for concepts like the Large Interferometer for Exoplanets.…”
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2538
Gnidia glauca- and Plumbago zeylanica-Mediated Synthesis of Novel Copper Nanoparticles as Promising Antidiabetic Agents
Published 2019-01-01“…Aqueous extracts of flower, leaf, and stem of G. glauca and leaves of P. zeylanica were prepared which could effectively reduce Cu2+ ions to CuNPs within 5 h at 100°C which were further characterized using UV-visible spectroscopy, field emission scanning electron microscopy, high-resolution transmission electron microscopy, energy dispersive spectroscopy, dynamic light scattering, X-ray diffraction, and Fourier-transform infrared spectroscopy. Further, the CuNPs were checked for antidiabetic activity using porcine pancreatic α-amylase and α-glucosidase inhibition followed by evaluation of mechanism using circular dichroism spectroscopy. …”
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2539
Incorporation of κ-carrageenan improves the practical features of agar/konjac glucomannan/κ-carrageenan ternary system
Published 2023-03-01“…., scanning electron microscopy, small-angle X-ray scattering, infrared spectroscopy (IR) and X-ray diffraction (XRD), were used to disclose how κ-carrageenan addition tailors the features of agar/KGM/κ-carrageenan ternary system. …”
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2540
Memristors Based on Ni(II)‐tetraaza[14]annulene Complexes: Toward an Unconventional Resistive Switching Mechanism
Published 2024-12-01“…An in‐depth spectroscopic characterization of the Ni complex is performed, using radiation from infrared, through visible and ultraviolet, to tender X‐rays. …”
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