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4781
Millimeter-scale radioluminescent power for electronic sensors
Published 2025-01-01“…Different phosphorescent and scintillating materials were mixed with the alpha-emitter Th-227, and the conversion efficiency of europium-doped yttrium oxide was the highest at around 2%. Measurements of the light generated by this phosphor when combined with Th-227 reveal that over 100 nW of optical power can be expected at volumes around 1 mm3 over more than two months. …”
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4782
Recent Developments in Heavy Metals Detection: Modified Electrodes, Pretreatment Methods, Prediction Models and Algorithms
Published 2025-01-01“…To address these issues, two potential solutions have been proposed: the development of advanced algorithms (such as machine learning (ML), back-propagation neural network (BPNN), support vector machines (SVM), random forests (RF), etc.) for signal processing and the use of pretreatment methods (such as Fenton oxidation (FO), ozone oxidation, and photochemical oxidation) to suppress such interferences. …”
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4783
Eliminating fluoride-induced corrosion of aluminum cathodes in zinc electrowinning by aluminum ion complexation
Published 2025-01-01“…This favorable complexation reaction, thermodynamically modeled in this work, plays a critical role in reducing the activity of the corrosive HF species on the passive oxide layer of the aluminum surface. Electrochemical impedance spectroscopy and linear sweep voltammetry measurements supported these results. …”
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4784
Electrodeposited CdTe solar cells using low-purity Cd precursors & the effect of chemical purity
Published 2024-05-01“…Glass/fluorine-doped tin oxide (FTO) substrates have been used to electrodeposit the semiconductor layers. …”
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4785
Formation and stability of green and low-cost magnetoliposomes of the soy lecithin, stigmasterol, and β-sitosterol for hyperthermia treatments
Published 2025-01-01“…The stability of magnetoliposomes after storage for 6 months at 4 °C was improved by liposome size, the ability of soy lecithin to preserve the magnetite phase against oxidation, pH, polydispersity index, and zeta potential. …”
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4786
Parental Acceptance of Moderate Sedation and Associated Techniques for Behavior Management in Saudi Arabia: A Cross-Sectional Study
Published 2025-01-01“…Mohamad A Alanbari,1 Hebah M Hamdan,2 Omar A Bawazir,1 Ayman M Sulimany1 1Department of Pediatric Dentistry and Orthodontics, College of Dentistry, King Saud University, Riyadh, Saudi Arabia; 2Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, Saudi ArabiaCorrespondence: Mohamad A Alanbari, Pediatric Dentistry Department, Prince Sultan Military Medical City, Riyadh, Saudi Arabia, Email Mohdanbari91@gmail.comPurpose: This study aimed to evaluate the acceptance of moderate sedation (MS) as a behavior guidance technique (BGT) method among Saudi parents, and also assess their acceptance of other BGTs, including parental separation, papoose board (PB), and nitrous oxide (N2O), used in conjunction with MS.Patients and Methods: This cross-sectional study was conducted at the Dental University Hospital, King Saud University, Riyadh, Saudi Arabia. …”
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4787
In Vitro Antiplasmodial, Cytotoxicity, and Antioxidant Activities of Lophira lanceolata (Ochnaceae): A Cameroonian Plant Commonly Used to Treat Malaria
Published 2023-01-01“…The antioxidant activity was assessed by 1,1-diphenyl-2-picrylhydrazine (DPPH), hydrogen peroxide (H2O2), nitric oxide (NO) reduction, and ferric reducing antioxidant power (FRAP) scavenging. …”
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4788
Immunomodulatory effects of fucoidan extracted from Sargassum fusiforme in RAW 264.7 macrophages
Published 2024-12-01“…SFF significantly increased nitric oxide (NO) production and phagocytic activity at 25–100 μg/mL concentrations, without exhibiting cytotoxicity. …”
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4789
ANALYSIS OF SURFACE DEFECTS OF ALUMINUM AND ITS ALLOYS WITH A SCANNING KELVIN PROBE
Published 2017-02-01“…An additional study was held for AMG-2 surface after the formation of 30 microns thick specific nanostructured alumina oxide surface layer. Higher quality surfaces have characterized as more homogeneous distribution of the physical properties (at half-width distribution histogram). …”
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4790
Endothelin receptor antagonists (ERAs) can potentially be used as therapeutic drugs to reduce hypertension caused by small molecule tyrosine kinase inhibitors (TKIs)
Published 2025-01-01“…Currently, it is widely accepted that TKIs-induced hypertension involves multiple mechanisms including dysregulation of the endothelin (ET) axis, reduced bioavailability of nitric oxide (NO), imbalance in NO-ROS equilibrium system, vascular rarefaction, and activation of epithelial sodium calcium channels; nevertheless, excessive activation of ET system appears to be predominantly responsible for this condition. …”
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4791
Experimental Study on Fe3O4 Nanoparticle-Assisted Microwave Enhancing Heavy Oil
Published 2022-01-01“…The results show that nanoparticles can improve the wave absorption and heating capacity of heavy oil, and adding 0.6 wt% of nanomagnetic iron oxide catalyst can increase the heating rate of heavy oil in microwave by 60.6%; nanoparticle-assisted microwave heating method can effectively upgrade heavy oil and reduce viscosity. …”
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4792
Feasibility and Efficiency of Human Bone Marrow Stromal Cell Culture with Allogeneic Platelet Lysate-Supplementation for Cell Therapy against Stroke
Published 2016-01-01“…The cells were incubated with superparamagnetic iron oxide (SPIO) agents and injected into a pig brain. …”
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4793
Gel–sol synthesis of hierarchical CaO using pollen as biotemplate for biodiesel production
Published 2024-05-01“…The results indicate that pollen as a biotemplate could be used to improve the basicity and textural parameters of calcium oxide particles, especially for 1/1-CaO(S)-700, presented by its total basicity of 5.90 mmol/g, the specific surface area of 16.47 m2/g, the pore volume of 0.04 cm3/g, the average pore size of 10.28 nm, and the widespread distribution of pore size (2–12.5 nm). …”
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4794
Interventional real-time molecular MRI for targeting early myocardial injury in a pig model
Published 2025-02-01“…Here, we assessed ischemic cardiac lesions non-invasively directly after ischemia/reperfusion (I/R) in a porcine model by advanced MRI techniques and molecular imaging, targeting the cell adhesion molecule P-selectin functionalized with microparticles of iron oxide (MPIO). We used a closed-chest model of I/R by temporary coronary balloon-occlusion, real time 3T MRI-guided coronary injection of MPIO-based contrast agents, as well as injury, edema and iron-sensitive MRI. …”
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4795
The analysis of the effect of heat treatment in various atmospheres on the structure of titanium foil
Published 2024-02-01“…With an increase in the annealing temperature, an increase in carbon and oxygen concentrations is observed, and the hardness of the material increases significantly, which is probably due to the formation of titanium oxide and titanium carbide in the foil structure.…”
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4796
Physiological characteristics of IRR 400 series rubber clones (Hevea brasiliensis Muell. Arg.) under drought stress [version 4; peer review: 1 approved, 2 approved with reservation...
Published 2023-12-01“…Other characteristics, namely chlorophyll a, b, and total, as well as hydrogen peroxidase, ascorbate peroxidase, super oxide dismutase, peroxide dismutase, cannot be used as selection characteristics for this study. …”
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4797
Effect of weight loss on the course of non-alcoholic fatty liver disease: results of 6-month follow-up
Published 2015-03-01“…Levels of lipid and carbohydrate metabolism markers, TNF-α, leptin, adiponectin and nitric oxide (NO) metabolites were evaluated.Results. Weight loss for at least 5% was gained in 44,1% of patients with NAFLD in association to obesityand in 56,6% of those with NAFLD in combination to MS, that was accompanied by significant reduction of lipid atherogenic fraction levels (cholesterol, low density lipoproteins), decrease of insulin resistance index, CRP and TNF-α inflammation markers, and decrease of leptin concentration in MS group. …”
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4798
Comparative Protective Effects of N-Acetylcysteine, N-Acetyl Methionine, and N-Acetyl Glucosamine against Paracetamol and Phenacetin Therapeutic Doses–Induced Hepatotoxicity in Rat...
Published 2018-01-01“…Both PA and PH induce oxidative stress in rat liver within their therapeutic doses. …”
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4799
Effect of Selected Nanospheres on the Mechanical Strength of Lime-Stabilized High-Plasticity Clay Soils
Published 2019-01-01“…Thus, the following paper investigates the effect of nanospheres, including nanosilica (nano-SiO2) and nano zinc oxide (nano-ZnO), on lime-stabilized high-plasticity clay soil. …”
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4800
Compressive Strength of Fly-Ash-Based Geopolymer Concrete by Gene Expression Programming and Random Forest
Published 2021-01-01“…The influential parameters that are considered as input variables for modelling are curing temperature T, curing time t, age of the specimen A, the molarity of NaOH solution M, percent SiO2 solids to water ratio % S/W in sodium silicate (Na2SiO3) solution, percent volume of total aggregate ( % AG), fine aggregate to the total aggregate ratio F/AG, sodium oxide (Na2O) to water ratio N/W in Na2SiO3 solution, alkali or activator to the FA ratio AL/FA, Na2SiO3 to NaOH ratio Ns/No, percent plasticizer (% P), and extra water added as percent FA EW%. …”
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