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2401
Electrocatalytic detection of Acetaminophen by sodium ferrite
Published 2025-01-01“…The Na2Fe4O7-NPs were characterized by advanced analytical techniques such as x-ray diffraction (XRD), fourier transform infrared (FTIR), UV–visible, atomic force microscopy (AFM), zeta potential, zeta sizer, energy dispersive x-ray (EDX) and field emission scanning electron microscopy (FESEM) which displayed that the Na2Fe4O7-NPs possess hexagonal structure, a narrow band gap (1.475 eV), corresponding to their excellent electronic capability, nanosize of particles, rough surface and highly stable nature for electrochemical analysis. …”
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2402
Mechanism of Threshold Voltage Instability in Double Gate α-IGZO Nanosheet TFT Under Bias and Temperature Stress
Published 2024-01-01“…An anomalous negative side shifting of the Vth is observed under positive bias temperature stress (PBTS), where diffused hydrogen atoms are identified as introducing excess n-type carriers into the channel and causing the observed <inline-formula> <tex-math notation="LaTeX">$\Delta$ </tex-math></inline-formula>Vth. …”
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2403
Microstructural modifications in bitumens rejuvenated by oil from pyrolysis of waste tires
Published 2025-01-01“…The blends were also investigated using atomic force microscopy, and the asphaltenic fraction was assessed via optical microscopy.Results and discussionAll the data consistently indicate that oil addition not only reduces the viscosity of bitumen and restores it to values close to the original unaged bitumen but also changes the intermolecular structure to recover the self-assembly pattern typical of the unaged sample. …”
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2404
The Influence of Heavy Metals and Trace Elements on Comatose Patients with Severe Traumatic Brain Injury in the First Week of Admission
Published 2018-01-01“…Concentration of heavy metals and trace elements in serum was determined by electrochemical atomic absorption spectrometry. Statistical analysis was performed using Statistical software (SPSS) and the cases and controls were compared using the Mann–Whitney U test and Student’s t-test for cadmium according to gender and final evolution. …”
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2405
Excellent high-temperature strength of (HfZrTiTaNb)C high-entropy carbide diffusion-bonded joint via in-situ alloying of Ni/Nb/Ni composite interlayer
Published 2025-01-01“…Starting from a modified Ni/Nb/Ni composite interlayer with a Nb content of > 64 at%, an alloyed Nb2Ni layer was constructed in situ by accelerating the directional diffusion of Ni atoms from the high-entropy interface into the remaining pure Nb through the Ni‒Nb eutectic liquid. …”
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2406
Adhesion-induced MoS2 layer transfer via in-situ TEM-nanoindentation: Effects of curvature and substrate mediated residual stress
Published 2025-01-01“…To address this, we conducted a comprehensive study investigating the interaction forces originating from the bonding between atoms that govern the adhesion of ultra-thin 2D MoS2. …”
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2407
Comparative Analysis of Five Moroccan Thyme Species: Insights into Chemical Composition, Antioxidant Potential, Anti-Enzymatic Properties, and Insecticidal Effects
Published 2025-01-01“…Inductively coupled plasma atomic emission spectroscopy (ICP-AES) revealed important levels of calcium (450.6–712.2 mg/kg), potassium (255.4–420.7 mg/kg), magnesium (97.3–150.7 mg/kg), and iron (1.95–15.1 mg/kg). …”
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2408
Ecotoxicological insight of phytochemicals, toxicological informatics, and heavy metal concentration in Tridax procumbens L. in geothermal areas
Published 2024-01-01“…In addition, quantitative analysis was conducted using gas chromatography–mass spectroscopy to obtain the chromatograms and mass spectra of the metabolite compounds of the ethanolic extract of Tridax procumbens, which were used in computational toxicology analysis using a simplified molecular input system in a predictor server. Atomic absorption spectrometry was conducted to confirm the contents of six heavy metals harmful to medicinal plants.FINDINGS: The results showed that Tridax procumbens from the Ie-Seu'um geothermal area, Aceh, has secondary metabolites such as flavonoids, saponins, steroids, and tannins, with phytol from diterpenoid group having the highest content (32.72 percent). …”
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2409
Using artificial intelligence methods for the optimal synthesis of reversible networks
Published 2024-11-01“…According to Moore's Law, the reduction of transistor sizes to the atomic scale faces physical limits, which complicate further development. …”
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2410
Investigation of Mechanical and Tribological Characteristics of Medical Grade Ti6al4v Titanium Alloy in Addition with Corrosion Study for Wire EDM Process
Published 2022-01-01“…The biggest drawback of the material in the biomedical industry, which includes orthopedic applications and dental implants, would be that it releases harmful atoms such as iron, chromium, and nickel into the bodily fluid environment. …”
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2411
Compact 999.6 nm Actively Q-Switched Yb3+:LuAlO for Laser-Induced Breakdown Spectroscopy Laser
Published 2019-06-01“…The reduction in the thermal conductivity of doped laser crystal in comparison with host materials is small in the case of ions with close atomic mass and ionic radii such as for Yb3+ and Lu3+. …”
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2412
Optical Observations of Sputtered Au-nanostructures and Characterizations
Published 2024-03-01“…Au nanofilms were investigated by XRD (X-ray diffraction), UV-Vis (ultraviolet-visible light) diffractometer, and AFM (atomic force microscopy) techniques. The thicknesses of the three films prepared at different sputtering times (10, 15, and 20 seconds) were calculated using the theoretical deposition formula method. …”
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2413
Different post-pancreatectomy glucagon responses to a meal test between surgical approaches
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2414
Graphene-Based Materials for Bone Regeneration in Dentistry: A Systematic Review of In Vitro Applications and Material Comparisons
Published 2025-01-01“…Introduction: Graphene, a two-dimensional arrangement of carbon atoms, has drawn significant interest in medical research due to its unique properties. …”
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2415
Experimental study of polishing systems on surface roughness and color stability of novel bulk-fill composite resins
Published 2025-01-01“…Surface roughness was measured using a profilometer following the polishing procedures, while surface morphology was assessed through atomic force microscopy and scanning electron microscopy. …”
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2416
Infernal instabilities in negative-triangularity plasmas with negative central shear
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2417
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2418
USSD: Unsupervised Sleep Spindle Detector
Published 2025-01-01“…The proposed detector learns prototype SSs of different lengths (called atoms). An unsupervised adaptive threshold method based on the distribution of the automatically detected SS lengths is developed, which allows the adaptation of the USSD algorithm to different datasets in an unsupervised way. …”
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2419
Contribution of individual phospholipase A2 enzymes to the cleavage of oxidized phospholipids in human blood plasma
Published 2025-02-01“…Species containing 1 to 3 oxygen atoms were relatively stable to degradation in plasma, while OxPLs containing > 3 extra oxygens were degraded but at significantly slower rate than truncated species. …”
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2420
Progress in research on strain glass transition in Ni-Ti based alloys
Published 2025-02-01“…The theoretical and experimental studies in recent years indicated that when doping sufficient amounts of defects (excess solute atoms,foreign alloying dopants, dislocations and nanosized precipitates) into equiatomic Ni-Ti alloys,the resistance from such defects could suppress the first-order martensitic transformation and achieve strain glass transition with the formation of randomly short-range ordered nanodomains. …”
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