-
1981
Avaliação da rugosidade superficial no fresamento frontal do ferro fundido nodular austemperado (ADI)
Published 2024-01-01“… O emprego do ferro fundido nodular austemperado (austempered ductile iron – ADI) em projetos de engenharia tem ganhado notoriedade por conta das suas propriedades mecânicas como alta resistência e dureza aliada a alta ductilidade. …”
Get full text
Article -
1982
The Effect of Channel Layer Thickness on the Performance of GaN HEMTs for RF Applications
Published 2024-12-01“…In order to discuss the effect of different thicknesses of the UID-GaN layer on iron-doped tails, both AlGaN/GaN HEMTs share the same 200 nm GaN buffer layer with an Fe-doped concentration of 8 × 10<sup>17</sup> cm<sup>−3</sup>. …”
Get full text
Article -
1983
Aluminum tolerance and micronutrient content in the grain of oat cultivars with different levels of breeding improvement from the VIR collection
Published 2022-10-01“…Long-term exposure to Al results in deficiencies in some important nutrients, such as phosphorus, calcium, magnesium, potassium, and iron. Thus, the joint study of plant resistance to the effects of Al and the accumulation of micronutrients in the oat grain is relevant.Materials and methods. …”
Get full text
Article -
1984
Ferroptosis in thyroid cancer: mechanisms, current status, and treatment
Published 2025-01-01“…Comprehensive investigations into the pathogenesis of TC have identified a significant association with ferroptosis, a newly characterized form of cell death mediated by iron ions. Distinct from apoptosis, necrosis, and autophagy, ferroptosis is characterized by the accumulation of lipid peroxides and reactive oxygen species, culminating in cellular damage and death.Recent research has elucidated a connection between ferroptosis and the initiation, progression, and treatment of thyroid cancer. …”
Get full text
Article -
1985
Field switching of microfabricated metamagnetic FeRh MRI contrast agents
Published 2025-01-01“…Abstract In a step towards generating switchable MRI cellular labels, we demonstrate in-situ field switching of micron scale metamagnetic Iron-Rhodium (FeRh) thin film particles. A thin-film (200 nm) FeRh sample was fabricated and patterned into an array of progressively smaller squares with sizes ranging from 500 μm down to 1 μm. …”
Get full text
Article -
1986
Trace elements in children with pre-dialysis and end-stage renal disease
Published 2024-01-01“…Paediatric CKD is connected with considerable morbidity and necessity for early management. Trace elements as iron (Fe), zinc (Zn) and copper (Cu) are required for a variety of physiological activities and may influence CKD progression. …”
Get full text
Article -
1987
Metal oxides carbon xerogel nanocomposite for methanol oxidation fuel cell
Published 2025-02-01“…The electrocatalytic performance of Carbon xerogel doped with Iron (Fe3O4/CX), carbon xerogel doped with magnesium (MgO/CX), and carbon xerogel doped with Copper (CuO/CX) about the Methanol Oxidation Reaction (MOR) was investigated using electrochemical methods such as cyclic voltammetry, impedance spectroscopy, and chronoamperometry. …”
Get full text
Article -
1988
Effect of ecological restoration on physicochemical properties, bacterial and fungal communities of red sand soil in Longquan Mountain forest park
Published 2025-02-01“…There was a significant increase in organic matter, total phosphorus, available iron, and total nitrogen, as well as a notable decrease in soil calcium content, resulting in a substantial enhancement of soil quality. …”
Get full text
Article -
1989
Flexible Bench-Scale Recirculating Flow CPC Photoreactor for Solar Photocatalytic Degradation of Methylene Blue Using Removable TiO2 Immobilized on PET Sheets
Published 2016-01-01“…CPC photoreactor is made up of seven low iron borosilicate glass tubes connected in series. …”
Get full text
Article -
1990
Investigation of Hydro-Geochemical Characteristics of Groundwater In Port Harcourt City, Nigeria: Implication for Use and Vulnerability
Published 2013-05-01“…Besides of the major chemical compositions, ionic ratio (HCO3/Cl, Na/Ca, Ca/Cl, Mg/Cl and Ca/SO4) was used to delineate saline water intrusion. Iron and Manganese concentrations are above the World Health Organization guide value in majority of the boreholes studied, with maximum value up to 1.60mg/l in Abuloma area. …”
Get full text
Article -
1991
Synthesis of novel magnesium ferrite Schiff base chitosan nanocomposite for efficient removal of pb(II) ions from aqueous media
Published 2025-02-01“…Additionally, energy-dispersive X-ray analysis verified the elemental composition of the nanocomposite, revealing distinct peaks corresponding to carbon, nitrogen, oxygen, magnesium, and iron. The nanocomposite exhibited outstanding performance as a nanoadsorbent for the efficient removal of Pb(II) ions from aqueous media through electrostatic attraction and complexation mechanisms, achieving a maximum adsorption capacity of 290.7 mg g-1. …”
Get full text
Article -
1992
Development of Nutrient-Rich Injera Using Amaranthus Leaf/Grain and Teff Flours: A Study on Nutritional Value, Sensory Characteristics, and Storage Stability
Published 2025-01-01“…Minerals such as sodium (Na), potassium (K), calcium (Ca), magnesium (Mg), iron (Fe), and zinc (Zn) increased noticeably (in percent), ranging from 10% to 12.2%, 0.02%–0.41%, 3%–4.4%, 0.33%–2.2%, 5.7%–10%, and 4.9%–28.7%, respectively. …”
Get full text
Article -
1993
Hydrochemistry of a Tropical harbor: Influence of Industrial and Municipal inputs
Published 2013-05-01“…Correlation between Salinity and heavy metals measured in this study were negative except Iron. Considering the values recorded for the pollution indicators, the harbor appears to be organically polluted. …”
Get full text
Article -
1994
Potentially Toxic Elements’ Accumulation and Health Risk of Consuming Vegetables Cultivated along the Accra-Tema Motorway
Published 2024-01-01“…The study investigated the concentrations of chromium (Cr), zinc (Zn), nickel (Ni), copper (Cu), cadmium (Cd), manganese (Mn), and iron (Fe) in lettuce (Lactuca sativa), African eggplant (Solanum melongena), and jute leaves (Corchorus olitorius) at distances 0–10, 50, and 200 m and the health risk of consuming these vegetables. …”
Get full text
Article -
1995
Metabolic consequences of erastin-induced ferroptosis in human ovarian cancer cells: an untargeted metabolomics study
Published 2025-01-01“…Erastin (ER), a ferroptosis inducer, kills tumor cells by generating and accumulating reactive oxygen species (ROS) within the cell, resulting in an iron-dependent oxidative damage-mediated ferroptotic cell death.MethodsWe have utilized human ovarian cancer cell lines, OVCAR-8 and its adriamycin-selected, multi-drug resistance protein (MDR1)-expressing NCI/ADR-RES, both equally sensitive to ER, to identify metabolic biomarkers of ferroptosis.ResultsOur studies showed that ER treatment rapidly depleted cellular glutathione and cysteine and enhanced formation of ophthalamate (OPH) in both cells. …”
Get full text
Article -
1996
Deferiprone ameliorates cisplatin induced peripheral neurotoxicity via ferritinophagy adjustment
Published 2025-02-01“…One of the Cisplatin pathways is ferritinophagy which may end up in ferroptosis. So, we aimed to use iron chelator as a new strategy based on an anti-ferroptotic mechanism and to evaluate its neuroprotective effect against polyneuropathy in Cisplatin-treated rats. …”
Get full text
Article -
1997
L’oppidum du Marduel (Saint-Bonnet-du-Gard) du Bronze final IIIb à l’époque romaine : synthèse des recherches sur un habitat occupé dans la longue durée
Published 2019-12-01“…This decline does not seem to result from a considerable decrease in farming production, but can instead be explained by the insecurity that appears to set in during the second Iron Age, and perhaps by a breakdown in the terms of trade between native communities and their trade partners, Mediterranean traders and trading-post intermediaries.…”
Get full text
Article -
1998
Producing Effective and Clean Coke for Household Combustion Activities to Reduce Gaseous Pollutant Emissions
Published 2019-01-01“…In this paper, a preprocessed coke was prepared by co-pyrolysis of high-sulfur coal with the assistance of calcium-based and iron-based complexes at high temperature. The results show that high-temperature co-pyrolysis could remove the volatile compounds that are major precursors for the formation of gaseous pollutants from the raw coal. …”
Get full text
Article -
1999
Carbothermal reduction of fayalite: Thermodynamic and non-isothermal kinetic analysis
Published 2022-01-01“…As the reaction proceeded, the generated CO provided a good kinetics condition for the carbothermal reduction of fayalite, and the controlling step of the reaction was the nucleation and growth of the metallic iron.…”
Get full text
Article -
2000
Effect of Earthing-Up Frequency on Growth and Yield of Anchote (Coccinia abyssinica) Varieties at Gimbi District, Western Ethiopia
Published 2024-01-01“…It is a good source of protein, carbohydrates, calcium, and iron. However, little attention has been given to the improvement of genetic and agronomic practices such as selection of variety, staking, weeding, fertilizer application, and earthing-up frequency. …”
Get full text
Article