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2121
Effects of applying a graphene/polyurethane composite thermally conductive film on capacitor heat dissipation performance
Published 2025-01-01“…The lattice and valence bond structures of the C atoms in the composite films were analyzed using x-ray diffraction, Raman spectroscopy, x-ray photoelectron spectroscopy, and Fourier transform infrared spectroscopy to investigate the extent of graphene defects and types of functional groups in the composite film materials. …”
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2122
Speciation studies of potentially toxic elements within the vicinity of major dumpsites in Ile-Ife, Osun State, Nigeria
Published 2025-03-01“…The metal levels were determined using Atomic Absorption Spectrophotometer. Results: The findings showed a mean distribution pattern of Mn > Zn > Cu > Pb > Cd > Al. …”
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2123
Cement Dust Exposure and Perturbations in Some Elements and Lung and Liver Functions of Cement Factory Workers
Published 2016-01-01“…PEFR, liver function {aspartate and alanine transaminases (AST and ALT) and total and conjugated bilirubin (TB and CB)}, and serum elements {lead (Pb), copper (Cu), manganese (Mn), iron (Fe), cadmium (Cd), selenium (Se), chromium (Cr), zinc (Zn), and arsenic (As)} were determined using peak flow meter, colorimetry, and atomic absorption spectrometry, respectively. Data were analysed using ANOVA and correlation at p=0.05. …”
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2124
Combined MSC and GLP-1 Therapy Modulates Collagen Remodeling and Apoptosis following Myocardial Infarction
Published 2016-01-01“…After four weeks, infarcted areas were imaged using atomic force microscopy, demonstrating significant alterations between groups in the structure of collagen fibrils and resulting scar. …”
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2125
A Comparative Study of the Removal of Heavy Metal Ions from Synthetic Wastewaters Using Different Adsorbents
Published 2009-06-01“…The concentrations of the heavy metal ions in the mixed standard solutions were determined before and after contact with the adsorbents via atomic absorption spectrophotometry (AAS). The adsorption capacities of the various adsorbents based on the overall percentage removal of Cu 2+ ions at pH 9 employing a column of 50 cm length were in the order: Amberlite resin (98.89 ± 7.59%) > plantain peel charcoal (98.56 ± 6.72%) > technical charcoal animal powder (96.87 ± 5.78%) > activated wood charcoal (93.64 ± 7.29%). …”
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2126
Layered metal carbo–selenide Nb2CSe2 with van der Waals interlayer coupling
Published 2025-01-01“…Nb2CSe2 features Se−Nb−C−Nb−Se quintuple atomic layers. These layers are stacked in Bernal mode. …”
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2127
CALCULATION OF STATIC PARAMETERS OF SILICON DIODE CONTAINING δ-LAYER OF TRIPLE-CHARGED POINT DEFECTS IN SYMMETRIC p–n-JUNCTION
Published 2018-06-01“…The study of semiconductor materials and devices containing a narrow layer of impurity atoms and/or intrinsic point defects of the crystal lattice is of fundamental and practical interest. …”
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2128
Near-infrared germanium PIN-photodiodes with >1A/W responsivity
Published 2025-01-01“…The high performance is achieved by minimizing optical losses using surface nanostructures and electrical losses using both conformal atomic-layer-deposited aluminum oxide surface passivation and dielectric induced electric field -based carrier collection instead of conventional pn-junction. …”
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2129
Enhancing adsorption efficiency for camouflage clothing through activated carbon and inorganic composite coatings
Published 2025-06-01“…The process’s protective efficacy was analyzed by a scanning electron microscope (SEM), examining pore size distribution, UV–Vis NIR, and atomic adsorption spectroscopy (AAS). SEM images of military camouflage texture treated with activated carbon, Talc, TiO2 and Bentonite in 50x, 100x, 200x, 400x, 800x and 1,000x magnifications reveal composite materials between powder materials and binder composites in the camouflage texture, arranged in an organized amorphous configuration. …”
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2130
Microstructural transition from ZrO₂ to Zr–Al intermetallics and property evolution in AA5051 composites
Published 2025-03-01“…AA5051 is lightweight and has excellent corrosion resistance, but it loses strength at higher temperatures as magnesium atoms diffuse more readily within the aluminium matrix, reducing the uniformity of the solid solution and weakening the alloy's strengthening mechanism. …”
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2131
Secondary Metabolites from the Mangrove Ecosystem-Derived Fungi <i>Penicillium</i> spp.: Chemical Diversity and Biological Activity
Published 2024-12-01“…Among these natural products, the plausible biosynthetic pathways of 37 compounds were also proposed; 11 compounds have novel skeleton structures, and 26 compounds contain halogen atoms. A total of 126 compounds showed biological activities, such as cytotoxic, antifungal, antibacterial, anti-inflammatory, and <i>α</i>-glucosidase-inhibitory activities, and 11 compounds exhibited diverse biological activities. …”
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2132
Unveiling the potential: iodide-infused nickel-enhanced MXene composite for high-performance sodium ion hybrid capacitors
Published 2025-01-01“…The composite had a rough surface with readily aggregated 2D-MXene sheets and was uniformly covered with Ni, Na, and I atoms. Several vibrational bands and peaks associated with Ti, Ni, Na, C and O in the Raman while XPS spectra confirmed the effective incorporation of dopants into the MXene sheets and successful synthesis of the Ti _2 C/Ni/NaI composite. …”
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2133
Surface Modification by Combination of Dip-Pen Nanolithography and Soft Lithography for Reduction of Bacterial Adhesion
Published 2018-01-01“…Optical microscopy and atomic force microscopy (AFM) were used to characterize the patterns. …”
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2134
Formation and Device Application of Ge Nanowire Heterostructures via Rapid Thermal Annealing
Published 2011-01-01“…Scanning electron microscopy and transmission electron microscopy demonstrated a wide temperature range of 400~500°C to convert the Ge nanowire to a single-crystalline Ni2Ge/Ge/Ni2Ge nanowire heterostructure with atomically sharp interfaces. More importantly, we studied the effect of oxide confinement during the formation of nickel germanides in a Ge nanowire. …”
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2135
Ternary Toward Binary: Circuit-Level Implementation of Ternary Logic Using Depletion-Mode and Conventional MOSFETs
Published 2025-01-01“…However, the improvement of binary computing systems supporting these applications is approaching their limits due to atomic-level scaling. Regarding this challenging situation, ternary computing is gaining more attention due to its better data saving/computing/moving capability. …”
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2136
Novel Insights into Surface Energies and Enhanced Gas-Sensing Capabilities of ZnGa<sub>2</sub>O<sub>4</sub>(111) via Ab Initio Studies
Published 2025-01-01“…This study investigates the surface energies and work function changes in ZnGa<sub>2</sub>O<sub>4</sub>(111) surfaces with different atomic terminations using ab initio density functional theory. …”
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2137
Investigation of children's toys quality on the Macedonian market: determination of lead, cadmium and chromium levels
Published 2024-12-01“…The levels of lead, cadmium and Trivalent chromium in 28 samples, divided in three categories according to EN 71-3:2019, were determined using graphite furnace atomic absorption spectrometry (GF-AAS), after suitable sample preparation. …”
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2138
Promotion Effect of CaO Modification on Mesoporous Al2O3-Supported Ni Catalysts for CO2 Methanation
Published 2016-01-01“…CO2-TPD and H2-TPD results suggested that CaO can change the environment surrounding of CO2 and H2 adsorption and thus the reactants on the Ni atoms can be activated more easily. The modified Ni/Al2O3 showed better catalytic activity than pure Ni/Al2O3. …”
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2139
PLGA confers upon conventional nonfluorescent molecules luminescent properties to trigger 1O2-induced pyroptosis and immune response in tumors
Published 2025-01-01“…This exploration revealed that surface passivation atoms play a dominant role in governing the fluorescence emission of PLGA-NPs. …”
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2140
Analysis of heavy metal pollution of chromium (Cr) and nickel (Ni) in soil at Putri Cempo Landfill, Indonesia
Published 2025-01-01“…Analysis of Cr and Ni content was carried out using Atomic Absorption Spectrophotometry (AAS). Data analysis was carried out by comparing the content of heavy metals in the soil at Putri Cempo Landfill with the SNI on the Threshold Limit Value (NAB) of Heavy Metals in Sediment/Soil. …”
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