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1781
Dust Deposition and Associated Heavy Metal Contamination in the Neighborhood of a Cement Production Plant at Konongo, Ghana
Published 2022-01-01“…The heavy metals such as cadmium (Cd), chromium (Cr), copper (Cu), zinc (Zn), and lead (Pb) were measured in a total of 20 soil samples using atomic absorption spectroscopy (AAS). The results obtained for climatic elements such as wind speed and direction, temperature, and relative humidity were 2.25, 25.7, and 49.5 m3/s, respectively. …”
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1782
An analysis of heavy metals contamination and estimating the daily intakes of vegetables from Uganda
Published 2021“…Amaranthus, cabbages, scarlet eggplants, and tomatoes were collected from open markets, processed, and analyzed by atomic absorption spectrometry. Modeled EDI, principal component (PCA) and cluster analysis (CA) were conducted to identify relationships in the samples. …”
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1783
Temporal and Spatial Seasonal Variations in Quality of Gravity Flow Water in Kyanamira Sub-County, Kabale District, Uganda
Published 2022“…Total iron, lead, chromium, copper, zinc, manganese and cadmium were analyzed by atomic absorption spectrometry. Two of the basic biological parameters for drinking water such as faecal coliforms and salmonella were analyzed by incubation followed by counting colony forming units (CFUs). …”
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1784
Saponins Effect on Human Insulin Amyloid Aggregation
Published 2024-12-01“…The morphology of the aggregates was assessed by Atomic Force Microscopy. To deepen the understanding of the saponins interaction with insulin, a Molecular Dynamics investigation is performed, too. …”
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1785
Representing and Quantifying Conformational Changes of Kinases and Phosphatases Using the TSR-Based Algorithm
Published 2024-11-01“…If discriminative TSR keys are identified, they can be mapped back to atomic details within the amino acids involved. In conclusion, this study presents an advanced computational methodology with significant advantages in not only representing and quantifying conformational changes of protein structures but also having the capability of directly linking protein structures to their functions.…”
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1786
Trophic transfer of arsenic in the food chain from selected crops grown in long-term wastewater contaminated soil
Published 2025-03-01“…Water, soil, vegetable, and human blood samples were analyzed to determine the concentration of arsenic via an atomic absorption spectrophotometer. The As content was greater in the soil (0.53–22.311 mg/kg) and vegetable (0.291–1.796 mg/kg) samples collected from Site 3, which were treated with wastewater. …”
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1787
Extracellular vesicles-derived miR-21 as a biomarker for early diagnosis and tumor activity in breast cancer subtypes
Published 2025-01-01“…EVs isolated from serum samples were characterized using nanoparticle tracking analysis, scanning electron microscopy and atomic force microscopy to detect their concentration, size, morphology and mechanical properties. …”
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1788
Development of Sr modified Al–Si–Mg–Fe based alloys for automotive components
Published 2025-01-01“…Unmodified and modified Al–Si–Mg alloys with high Fe content accelerate the dissolution of β-Al5FeSi; this being due to the rejection of silicon (Si) atoms towards aluminum (Al) and resulting in transforming the β-Al5FeSi into Al6Fe. …”
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1789
Heavy metals loads in soil, farmlands and plant crop at open dumpsite
Published 2019-10-01“…Evaluations of heavy metals (Ni, Zn, Cd, Cr, Pb and Cu) in soil samples and in different parts of <em>Carica papaya</em> plants were carried out using atomic absorption spectrophotometer. The study revealed higher concentration of Pb in the dumpsite than the farmlands. …”
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1790
MGATAF: multi-channel graph attention network with adaptive fusion for cancer-drug response prediction
Published 2025-01-01“…Recent graph-based models, while promising, frequently neglect the critical role of atomic interactions and fail to integrate drug fingerprints with SMILES for comprehensive molecular graph construction. …”
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1791
Effect Of Magnesium Perchlorate Content on the Mechanical, Thermal Stability, and Dielectric Properties of Plasticized PMMA/PVC-g-PMMA Electrolytes
Published 2020-01-01“…Energy-dispersive X-ray (EDX) spectroscopy and mapping technique revealed the regular distributions of all atomic elements such as Cl, Mg, O, and C in the doped GPBEs. …”
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1792
Antioxidant Properties of Lapachol and Its Derivatives and Their Ability to Chelate Iron (II) Cation: DFT and QTAIM Studies
Published 2020-01-01“…In this latter tridentate coordination in gas phase, the topological analysis of complexes exhibits the fact that the electron density is concentrated between the O3 oxygen atom of the ligand attached to Fe2+ and this metal cation. …”
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1793
Ecotoxicity of lanthanides to Daphnia magna: insights from elemental behavior and speciation in a standardized test medium
Published 2024-07-01“…Experimental data show that exposure concentrations can decrease by up to 95 % over the test duration, with the percentage decrease being inversely related with LN atomic mass. Thermodynamic speciation calculations confirm the possible formation of insoluble species, mainly LN carbonates. …”
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1794
Stabilization of metal-doped magnesium oxide nanoparticles with PAMAM dendrimers to improve alpha-amylase enzyme inhibition
Published 2025-04-01“…Notably, unlike other shapes, spherical nanoparticles were highly stabilized by dendrimers because of the absence of edged atoms. Amylase inhibition assay revealed that dendrimer-stabilized zinc-doped MgO nanoparticles exhibited enhanced inhibitory activity (82.9 %) at 0 h, which decreased to 66.6 % after 24 h, indicating controlled nanoparticle release by the dendrimer. …”
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1795
Fabrication of heteroatom-doped graphene-porous organic polymer hybrid materials via femtosecond laser writing and their application in VOCs sensing
Published 2025-01-01“…Abstract Graphene, a two-dimensional material featuring densely packed sp2-hybridized carbon atoms arranged in a honeycomb lattice, has revolutionized material science. …”
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1796
Study of the corrosion behavior of cast Ti2AlNb alloy in HF–HNO3 solution
Published 2025-01-01“…Scanning Kelvin probe atomic force microscopy (SKPFM) combined with microstructural analysis revealed that the electrochemical system consisting of matrix B2 phase and secondary phase governs the high localized dissolution rate of Ti2AlNb alloy. …”
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1797
Advanced perspective on heavily phosphorus-doped diamond layers via optical emission spectroscopy
Published 2025-01-01“…However, beyond a maximum [P] of ∼7.0 × 1020 atoms/cm3, further increases in IPH/ICH did not lead to higher [P] with a significant reduction in phosphorus incorporation efficiency (η), consistent with the solubility limits of phosphorus in diamond. …”
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1798
Physical, Thermal, and Morphology Characteristics of Waste Latex Rubber Glove-Modified Bitumen
Published 2023-01-01“…The morphological characteristics were determined using atomic force microscopy (AFM). The bee structure gives a scientific explanation of the microstructural characteristics. …”
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1799
Using Spatial Regression to Model Potentially Toxic Metal (PTM) Mobility Based on Physicochemical Soil Properties
Published 2019-01-01“…Samples were analyzed for Zn, Mn, Cu, Pb, and Cd by microwave-assisted acid digestion and flame atomic absorption spectrometry (FAAS) (12–1,354 mg/kg Zn, 6–2,574 mg/kg Mn, 1–65 mg/kg Cu, 33–2,271 mg/kg Pb, and 7–40 mg/kg Cd). …”
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1800
Ecological and human health implications of mercury contamination in the coastal water
Published 2023-04-01“…Therefore, this study aims to 1) assess the ecological and human health risk of mercury contamination in coastal water; 2) analyze the effectiveness of polymer sulfur as an absorbent for mercury.METHODS: A total of fifteen water samples were obtained from the coastal areas of Makassar and were analyzed using cold vapor atomic absorption spectrophotometry. Ecological and human health risks were assessed using established assessment methods by the United States Environmental Protection Agency. …”
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