-
1321
Optical and Electrical Characterization of Crystallized M:WO3 (Cu, Fe, Ni) Films in Acidic Medium
Published 2024-06-01“…The surface resistance values were significantly reduced by metal additives compared to its pure counterpart, especially by the inclusion of nickel ions in WO3. The results indicated that nucleus growth and thereby impurity/defect-related surfaces had a serious effect on the optical and electrical properties of M:WO3 films.…”
Get full text
Article -
1322
Fabrication of Si3N4 Nanocrystals and Nanowires Using PECVD
Published 2010-01-01“…When the density of Fe ions on the substrate was decreased remarkably, a smooth superlong Si3N4 nanowire with 12 μm in length was fabricated. …”
Get full text
Article -
1323
3-Mercaptopropyltrimethoxysilane Modified Diatomite: Preparation and Application for Voltammetric Determination of Lead (II) and Cadmium (II)
Published 2017-01-01“…The performance of a carbon paste electrode (CPE) modified with MPTMS-diatomite in the simultaneous determination of Cd(II) and Pb(II) ions was addressed.…”
Get full text
Article -
1324
Forced degradation of tacrolimus and the development of a UHPLC method for impurities determination
Published 2019-09-01“…The forced degradation study in solution revealed tacrolimus instability under stress alkaline, thermal, light and photolytic conditions and in the presence of a radical initiator or metal ions. The drug was stable at pH 3–5. Solid-state degradation studies conducted on amorphous tacrolimus demonstrated its sensitivity to light, elevated temperature, humidity and oxidation.…”
Get full text
Article -
1325
Broadening horizons: research on ferroptosis in lung cancer and its potential therapeutic targets
Published 2025-01-01“…Ferroptosis is a novel form of cell death distinct from traditional mechanisms, characterized by the accumulation of iron ions and the production of lipid peroxides. It not only affects the survival of tumor cells but is also closely linked to changes in the tumor microenvironment. …”
Get full text
Article -
1326
Corrosion Control of Alloy 690 by Shot Peening and Electropolishing under Simulated Primary Water Condition of PWRs
Published 2015-01-01“…The corrosion behavior of Alloy 690 was distinguished by the shot peening intensity on the surface, and additional electropolishing was effective at reducing the dissolution of nickel ions from the metal surface.…”
Get full text
Article -
1327
Electrochemical Performance of Steel Embedded in CSA Concrete and Its Interfacial Microstructure
Published 2020-01-01“…The galvanostatic polarization behavior indicates that the steel embedded in CSA concrete remains passive for 28 days in absence of Cl− ions and carbonation. Microstructure analysis has shown that there is an Al-enriched layer at interfacial zone in CSA concrete with the main hydration product of AH3, which is also alkaline and is expected to improve the steel passivity. …”
Get full text
Article -
1328
Simple and Efficient Rout for Synthesis of Spinel Nanopigments
Published 2013-01-01“…The diffuse reflectance spectra of the CoxMg1−xAl2O4 (x > 0) pigments confirmed the presence of tetrahedrally coordinated Co2+ ions in the spinel lattice. The colorimetric data pointed out the formation of blue pigments (for x > 0), corresponding to highly negative values of b*, and the bluest color was produced for x = 0.8 and 1. …”
Get full text
Article -
1329
Durability of Marine Concretes with Nanoparticles under Combined Action of Bending Load and Salt Spray Erosion
Published 2022-01-01“…Test results showed that chloride ion levels in the tensile and compressive zones for both nanoconcretes were lower than plain concrete at the same timepoint. …”
Get full text
Article -
1330
In Vivo Photoelectrochemical Analysis
Published 2024-12-01“…Furthermore, newly developed PEC neurochemical sensing methods for detecting various substances, including SO<sub>2</sub>, antibiotics, metal ions, neurotransmitters, and thioalcohols, as well as cells are discussed. …”
Get full text
Article -
1331
Potential Low-cost Treatment of Tannery Effluents from Industry by Adsorption on Activated Charcoal Derived from Olive Pomace
Published 2024-12-01“…The physicochemical characterization of tanning water included several parameters, such as chemical oxygen demand (COD), total Kjeldahl nitrogen (TKN), suspended solids (SS), sulfate ions (SO42-), nitrate, and chromium Cr(VI). The analyses show that the adsorption process reduced nitrate by 57.54%, sulfate by 94.08%, TKN by 74.84%, COD by 68.18%, Cr by 91.27%, and Cr (VI) by 89.78%. …”
Get full text
Article -
1332
Complexes of a piperazine based macrocycle as Cu-Zn SOD biomimetic: approach by constants determination
Published 2024-07-01“…As an approach to the Cu,Zn-SOD system, the formation of quaternary species formed between these ions, the main ligand and histidine as a secondary ligand, was verified, which could be used as mimetics of said enzyme. …”
Get full text
Article -
1333
Estimation of serum calcium levels in apheresis platelet donors
Published 2024-01-01“…This procedure utilizes an anticoagulant acid citrate dextrose to prevent clotting of blood in the extracorporeal circuit which chelates divalent ions like calcium. This alters the calcium homeostasis resulting in hypocalcemia causing acute adverse events. …”
Get full text
Article -
1334
Computational Studies of 4-Formylpyridinethiosemicarbazone and Structural and Biological Studies of Its Ni(II) and Cu(II) Complexes
Published 2019-01-01“…Binary metal complexes of the ligand, H4FPT (L) with the Ni(II) and Cu(II) metal ions (M), were synthesized and characterized by various spectroanalytical techniques as elemental analysis, molar conductance, magnetic susceptibility measurements, LC-MS, TGA, IR, UV-Visible, ESR, and powder XRD. …”
Get full text
Article -
1335
Yttrium iron garnet: Dodecahedral substitutions
Published 2025-03-01“…In recent years, there has been a growing interest in the impact of doping, particularly with rare earth, bismuth, and strontium elements, on YIG’s properties. Rare earth ions, with their shielded 4f electrons, introduce unique modifications in the dodecahedral sub-lattice, influencing phase formation, structural characteristics, magnetic behavior, and optical performance. …”
Get full text
Article -
1336
Kinetic Modeling for Microwave-Enhanced Degradation of Methylene Blue Using Manganese Oxide
Published 2013-01-01“…However, a higher degradation rate of MB was available under the MW-enhanced process, which implies that the “athermal effect” of MW might be of more benefit for the generation of electrophilic oxygen ions (, , and ) to degrade MB. The results showed that the degradation percentage of MB could reach 100%, corresponding to 92% total organic carbon (TOC) removal under microwave irradiation at pH 7.20 for 10 min.…”
Get full text
Article -
1337
Aloe vera leaves potential as a new source of transglutaminase
Published 2025-01-01“…The results showed that aloe vera leaves extract had high transglutaminase activity (0.47 U.mg-1), optimum temperature of 40-50°C, pH 5-7, molecular weight of 70-75 kDa, strongly inhibited by Zn2+ ions, and activated in the presence of dithiothreitol (DTT). …”
Get full text
Article -
1338
Review on the Durability of Polypropylene Fibre-Reinforced Concrete
Published 2021-01-01“…As a result, the durability of concrete is significantly enhanced since PPF can block the penetration of water or harmful ions in concrete. This paper summarizes the influence of polypropylene fibre on the durability of concrete, including drying shrinkage, creep, water absorption, permeability resistance, chloride ion penetration resistance, sulfate corrosion resistance, freeze-thaw cycle resistance, carbonation resistance, and fire resistance. …”
Get full text
Article -
1339
Sol-Gel Synthesis, X-Ray Diffraction Studies, and Electric Conductivity of Sodium Europium Silicate
Published 2013-01-01“…O(4) atoms not related to silicate ions are placed at the centers of Eu(2) triangles. …”
Get full text
Article -
1340
OBTAINING AND TESTING OF MG-CA-SR BIODEGRADABLE MATERIALS USED IN MEDICINE
Published 2024-12-01“…These materials are particularly promising for temporary implants, such as orthopedic screws, plates, and cardiovascular stents, as they eliminate the need for secondary surgical removal and provide osteogenic benefits through the release of bioactive ions. Despite their potential, the clinical implementation of Mg-Ca-Sr alloys faces several challenges, including precise control of degradation rates to match tissue healing, optimization of biocompatibility to prevent inflammatory responses, and addressing the complexities of industrial production for consistent quality and performance. …”
Get full text
Article