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1961
Electrocatalytic and Photocatalytic N<sub>2</sub> Fixation Using Carbon Catalysts
Published 2025-01-01“…While transition metal-based catalysts have solved the kinetic constraints to activate nitrogen bonds via the donation-back-π approach, there is a problem: the d-orbital electrons of these transition metal atoms tend to generate H-metal bonds, inadvertently amplifying unwanted HER. …”
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1962
Characteristics of the IBEX Ribbon and Their Implications for a Source Region Outside the Heliopause
Published 2025-01-01“…This paper presents a comprehensive exploration of the Interstellar Boundary Explorer energetic neutral atom (ENA) ribbon, focusing on its spatial and temporal variations over 14 yr. …”
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1963
Thiazolidinone Steroids Impregnated Polyurethane Foams as a Solid Phase Extractant for the Extraction and Preconcentration of Cadmium(II) from Industrial Wastewater
Published 2011-01-01“…A preconcentration / separation procedure is presented for the solid phase extraction of trace cadmium(II) from aqueous media as its ternary complex ion associate with compound II in industrial wastewater samples onto compound II treated PUFs prior to determination by flame atomic absorption spectrometry (FAAS). Compound II treated PUFs sorbent was successfully packed in glass column for complete extraction and / or determination of trace concentrations of cadmium(II) in wastewater samples with satisfactory recovery (95±2.6). …”
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1964
Light Scattering and Current Enhancement for Microcrystalline Silicon Thin-Film Solar Cells on Aluminium-Induced Texture Glass Superstrates with Double Texture
Published 2015-01-01“…The influence of the resulting “double texture” on the optical scattering is investigated by means of atomic force microscopy (AFM) (studying the surface topology), haze measurements (studying scattering into air), and short-circuit current enhancement measurements (studying scattering into silicon). …”
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1965
Loading monocytes with magnetic nanoparticles enables their magnetic control without toxicity
Published 2025-01-01“…Finally, we compared and confirmed the experimentally generated magnetic enrichment data with computational simulations.Methods and resultsWhen THP-1 cells were incubated with citrate-coated SPIONs (SPIONCitrate) or citrate-stabilized gold-coated SPIONs (SPIONGold), cells ingested the particles, as determined via transmission electron microscopy and atomic emission spectroscopy. Flow cytometry showed that the particles were biocompatible and produced hardly any ROS. …”
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1966
Dynamic Modeling of Stress-Induced Defect Expansion in VCSELs
Published 2024-01-01“…We further exploit a diffusion-limited aggregation (DLA) method in solving the diffusion equation, which describes the random propagation and aggregation of strain in the vicinity of highly strained areas, resulting in defect formation when the stress from accumulated strain surpasses the bonding force of the atoms in the lattice. Our simulation result manages to replicate the dendritic expansion morphology of defects, aligning with experimental observations very well. …”
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1967
Characterization of Metakaolin from Wassa Kaolin and Its Potential as Adsorbent for the Regeneration of Used Engine Lubrication Oil
Published 2022-01-01“…The test results show that the efficiency of metakaolin in removing heavy metals from the used oil using an atomic absorption spectrometer (AAS) was 13.25% for Fe, 25.37% for Cr, 94.36% for Zn, and 33.33% for Cu. …”
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1968
Simulations of pH and thermal effects on SARS-CoV-2 spike glycoprotein
Published 2025-02-01“…We performed triplicate and long-time all-atom molecular dynamics simulations to investigate the structures and dynamics of the SARS-CoV-2 spike glycoprotein (S-protein) for a broad range of pH = 1 through 11 and temperatures of 3°C through 75°C. …”
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1969
Bifunctional Electromagnetic Manipulation of Surface Waves Using Metasurfaces Under One Circularly Polarized Incidence
Published 2025-01-01“…Constructed using carefully selected and arranged meta-atoms that possess both structural resonance and a geometric phase, this kind of meta-device can exhibit two distinct SPP manipulation functionalities in both co- and cross-polarized output channels under one CP incidence. …”
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1970
Photoluminescence Response in Carbon Films Deposited by Pulsed Laser Deposition onto GaAs Substrates at Low Vacuum
Published 2016-01-01“…Films were characterized by optical microscopy, atomic force microscopy, laser induced breakdown spectroscopy, X-ray diffraction, and photoluminescence spectroscopy. …”
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1971
In situ visualization of interfacial processes at nanoscale in non-alkaline Zn-air batteries
Published 2024-12-01“…Herein, using in situ atomic force microscopy, we disclose that thin ZnO2 nanosheets deposit in non-alkaline electrolyte during discharge, followed by the formation of low-modulus products encircled around them. …”
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1972
Thermal behavior of silica aerogel-paraffin nanocomposites in a nanochannel under varying magnetic fields: A molecular dynamics study
Published 2025-02-01“…Results indicate that increasing the magnetic field strength to 0.5 T led to a decrease in maximum density from 0.1385 to 0.1372 atoms/ų. Additionally, the maximum velocity increased to 0.0142 Å/fs, while the maximum temperature and heat flux rose to 646 K and 72.13 W/m2, respectively. …”
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1973
Chronic Hyperglycemia Modulates Rat Osteoporotic Cortical Bone Microarchitecture into Less Fragile Structures
Published 2017-01-01“…Body weight, vertebral microarchitecture (L4-histomorphometry), femur biomechanical properties (bending tests), tibia ultrastructure (scanning electron microscopy), and femur and urinary calcium (atomic absorption) were also evaluated. The increased PINP/CTX ratio of hyperglycemic animals and the similar ratio between STZ + OVX and healthy animals contrasting with the lower ratio of OVX (in line with its histomorphometric data) suggest a tendency for improved bone formation in hyperglycemic-ovariectomized animals. …”
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1974
Two-Step Facile Preparation of 2D MoS2/ZnO Nanocomposite p-n Junctions with Enhanced Photoelectric Performance
Published 2021-01-01“…Both p-n and n-p heterojunctions of ZnO-MoS2 have been fabricated in order to understand the performance of electron and hole transport properties in solar cells and a self-powered photodetector system. Atomically thin 2-dimensional (2D) MoS2 was prepared by using a spin coating method with controlled process times, whereas ZnO nanowires were prepared by using a plasma sputtering deposition technique. …”
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1975
Biochar as a waste management strategy for cadmium contaminated cocoa pod husk residues
Published 2022-03-01“…Macro and micronutrients (Mg, K, Zn, Fe, Cu, Zn, Mn, and Na), and Cd were measured by atomic absorption spectroscopy (AAS). Sorption experiments and soil incubation experiments for two months were also carried out looking for an application of CPH materials in Cd sorption and remediation.Results Pyrolysis showed more effectiveness for Cd reduction in cocoa pod husk waste (90%) than composting (66%), 700 ℃ was the optimal temperature. …”
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1976
Origin and spatial distribution of metals in agricultural soils
Published 2016-03-01“…Iron, Antimony and Manganese in samples of soil and agricultural crops were extracted and their amount was determined using atomic absorption spectrometer. The spatial distribution map of the studied elements was developed using Kriging method. …”
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1977
Optical and electronic properties of hybrid organic-inorganic perovskite type [NH3-(CH2)3-COOH]2HgCl4
Published 2025-01-01“…[NH3-(CH2)3-COOH]2HgCl4 crystallizes in C2/c space group with cell parameters a=29.2762 (2) Å, b=11.0408 (1) Å, c=11.3944 (1) Å, β=112.532 (2) Å and Z=8.The atomic arrangement shows an alternation of organic and inorganic entities. …”
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1978
A Highly Sensitive and Selective Colorimetric Hg2+ Ion Probe Using Gold Nanoparticles Functionalized with Polyethyleneimine
Published 2018-01-01“…Time-of-flight secondary ion mass spectrometry showed that the Hg2+ ion was bound to the nitrogen atoms of the PEI in a bidentate manner (N–Hg2+–N), which resulted in a significant color change from light red to violet due to aggregation. …”
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1979
Impact on Yield, Biomass, Mineral Profile, pH, and Electrical Conductivity of Cherry Tomato Fruit Using a Nutrient Solution and a Silicon-Based Organomineral Fertilizer
Published 2020-01-01“…Cherry tomato “Atomic Grape” belongs to the Solanaceae family, an important species due to its economic value and high nutritional content. …”
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1980
A Novel Micellar Electrokinetic Chromatographic Method for Separation of Metal-DDTC Complexes
Published 2012-01-01“…The results obtained were checked by standard addition and rechecked by atomic absorption spectrometry.…”
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