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3881
Effect of Protein Concentration on the Corrosion Behavior of Magnesium Alloys
Published 2025-05-01“…When magnesium alloy is used in the human physiological environment, it will be affected by protein.In this work, the corrosion mechanism of a magnesium alloy in phosphate-buffered saline (PBS) containing various concentrations of bovine serum albumin (BSA) (0,0.5, 1.0, 1.5, 2.0, 3.5 and 5.0 g/L) was systematically investigated.Surface characterisation was carried out by Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM),energy-dispersive spectroscopy (EDS) and contact-angle measurements,whereas electrochemical behaviour was evaluated through potentiodynamic polarisation, electrochemical impedance spectroscopy (EIS) and scanning electrochemical microscopy (SECM).Complementary immersion tests were performed to corroborate the electrochemical findings.To elucidate the time-dependent effect of protein concentration, the electrochemical response and corrosion products of specimens immersed for 1, 3 and 7 d in solutions containing 0, 2.0 and 5.0 g/L BSA were also examined.Results showed that the presence of BSA up to 2.0 g/L reduced the corrosion rate, and the minimum corrosion current density occurred at 2.0 g/L,whereas a higher concentration (5.0 g/L) of BSA significantly accelerated localized corrosion of magnesium alloy surface.In the later stages of immersion, the overall corrosion resistance of the alloy deteriorated.When the BSA concentration was kept below 2.0 g/L, protein molecules formed a monolayer via chemisorption on the alloy surface, leading to a continuous decrease in corrosion rate with increasing BSA concentration.During prolonged immersion, this non-dense adsorbed layer was penetrated by the corrosive medium and consequently lost its protective effect.At 5.0 g/L BSA, protein molecules chelated the metal ions released from the alloy, forming soluble complexes that accelerated corrosion.With further immersion, the continual deposition, detachment and chelation of high-concentration BSA further intensified the dissolution of the magnesium alloy.…”
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3882
A solvent-compatible filter-transfer method of semi-transparent carbon-nanotube electrodes stacked with silver nanowires
Published 2022-12-01“…All of the photovoltaic parameters were dependent on the junction areas, suggesting that AgNWs function as an effective current-collector layer on the semiconductor layer of SWNTs without direct contact of AgNWs with the Si surface. …”
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3883
Technological trends in epidemic intelligence for infectious disease surveillance: a systematic literature review
Published 2025-05-01“…The increasing intricacy and regular occurrence of disease outbreaks underscore the pressing necessity for improvements in public health monitoring systems. …”
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3884
Older adults’ digital technology experiences: a qualitative study
Published 2025-07-01“…However, current digital technology has been found to be difficult for older persons. …”
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3885
Oral vs. Outpatient Parenteral Antimicrobial Treatment for Infective Endocarditis: Study Protocol for the Spanish OraPAT-IE GAMES Trial
Published 2025-03-01“…Conclusion In a global context of limited healthcare resources and a sustained increase in elderly and frail patients, it is of great importance to demonstrate the effectiveness and safety of outpatient management strategies that could reduce the duration of conventional hospitalizations with their potential complications and inherent costs. …”
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3886
Molecular genetics is on the guard of the law
Published 2025-03-01“…In the world, forensic DNA analysis is recognized as one of the most promising areas of development of forensic examinations, and its results are currently one of the most reliable pieces of evidence. …”
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3887
Identifying additional risk factors for early asymptomatic neonatal hypoglycemia in term and late preterm babies
Published 2022-11-01“…In the univariate analysis, parity, insulin treatment for gestational diabetes mellitus (GDM), and cesarean section were associated with an increased risk for neonatal hypoglycemia. Factors associated with decreased risk included higher gestational age, longer duration of skin-to-skin contact, neonatal hyperthermia, higher maternal labor pain score, and epidural anesthesia administration. …”
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3888
Alternatives to Traditional Physical Science Laboratory Experiences: A Review
Published 2024-12-01“…A summary list of advantages (e.g., increased flexibility and access) and disadvantages (e.g., no face-to-face contact and some additional costs) outlined in the articles is presented. …”
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3889
Macro-Micro Testing-Based Study on the Physical and Mechanical Properties of Cohesive Soil Containing Calcareous Nodules
Published 2025-01-01“…Under the same confining pressure, the shear strength of CSCN sample initially decreases and then increases with the increase in calcareous nodule particle size. …”
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3890
Preferences for life-sustaining treatments in advance decisions: a cross-sectional survey of Taiwanese general public
Published 2025-07-01“…Results Of the 3188 individuals contacted, 2440 declined to participate, and 748 (24.3%) respondents were successfully interviewed. …”
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3891
Determination of Ethanol Content in Fuels with Phononic Crystal Sensor
Published 2019-12-01“…In-line analysis of ethanol content in gasoline blends is currently one of the urgent needs of fuel industry. …”
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3892
Kyoh<sup>®</sup> Rocket Leaf Extract Regulates Proliferation and VEGF and FGF7 Expression in Human Dermal Follicle Papilla Cells
Published 2025-03-01“…Androgenetic alopecia is the most common cause of hair loss for women and men. Current treatments for androgenetic alopecia, such as those based on drugs like Minoxidil, Finasteride, or Dutasteride, have been associated with a variety of side effects, such as irritation, contact dermatitis, scalp pruritus, burning, etc. …”
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3893
Influences of intelligent predictive networks on thermal efficiency of radiative magnetohydrodynamics hybrid nanofluid flow considering heat absorption-generation aspects
Published 2025-07-01“…The profile will be rejected as the values of suction parameter and magnetic field parameter increases. In addition, a profile grows with the values of mixed convection parameter increasing. …”
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3894
Electrochemical performance and interfacial stability in Ni-rich NCM/ halide solid state batteries
Published 2025-10-01“…AC impedance analysis reveals increased interfacial impedance at high potentials, particularly during constant-current/constant-voltage charging, indicating interfacial instability. …”
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3895
Effects of Deposition Power and Annealing Temperature on Indium Zinc Oxide (IZO) Film’s Properties and Their Applications to the Source–Drain Electrodes of Amorphous Indium Gallium...
Published 2025-05-01“…Both resistances decreased significantly as the annealing temperature increased from 200 °C to 300 °C.…”
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3896
A computational fluid dynamics (CFD) study on extraction of geothermal energy in Bangladesh
Published 2025-06-01“…Due to Bangladesh’s elevated geothermal gradients for its tectonic position, geothermal energy can be harnessed through directionally drilled U-shaped wells, enhancing current designs by removing internal pipes and optimizing contact with elevated subsurface temperatures. …”
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3897
The Impact of Social Responsibility Activities on Gaining Values
Published 2024-12-01“…Social responsibility activities implemented within the scope of the project that has been carried out can be summed up as teacher candidates engaging in educational activities for the underprivileged, marking down the positive experiences that experienced teachers have had throughout their careers, meeting with secondary and high school students during social activities and informing them about the universities and departments they are currently enrolled in. The social responsibility activities in this project aim to increase teacher candidates' sense of responsibility. …”
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3898
A comprehensive review of methodologies and application to use the real-world data and analytics platform TriNetX
Published 2025-03-01“…TriNetX’s federated network architecture allows real-time, privacy-compliant data access, significantly enhancing the ability to conduct retrospective studies and refine clinical trial designs. With access to currently over 150 million EHRs, TriNetX has proven particularly effective in filling gaps left by RCTs, especially in the context of rare diseases, rare endpoints, and diverse patient populations. …”
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3899
Providing Education to the 1st Year Students at the Medical University in the Conditions of Martial State in Ukraine
Published 2023-04-01“…Interactive distance learning means are crucial for several reasons: increasing contact, improving communication and collaboration, and contributing to a more dynamic and collaborative learning environment. …”
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3900
Substance use and risk of suicide among adults who sought mental health and addiction specialty services through a centralised intake process in Nova Scotia: a cross-sectional stud...
Published 2024-10-01“…Stimulant (aOR=1.84, 95% CI 1.23 to 2.75) and hallucinogen (aOR=3.54, 95% CI 1.96 to 6.43) use were associated with increased odds of moderate/high suicide risk compared with denying current use. …”
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