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Article
Facile Regioselective Synthesis, Molecular Dynamics Study, and Antioxidant Activity of Some 3′H,4H-Spiro[chromene-3,2′-[1,3,4]thiadiazol]-4-ones
A series 3′H,4H-spiro[chromene-3,2′-[1,3,4]thiadiazol]-4-ones 6a–6d were synthesized regioselectively through the thermolysis of spiro[benzopyran-3′,2-[1,3,4]oxadithiino[5,6-c]benzopyran]-4′-ones 5a–5d in the pr...
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Chapter and Conference Paper
A Compact CSRR Loaded Monopole Antenna with Defected Ground Structure for Mobile WLAN and WiMAX Applications
A physically compact dual band antenna design is presented for use in mobile WLAN and mid-band WiMAX applications. The antenna design is based on a monopole, with a combination of metamaterial inspired featur...
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Article
Association between type 1, type 2 cytokines, diabetic autoantibodies and 25-hydroxyvitamin D in children with type 1 diabetes
Vitamin D may play a role in the pathogenesis of type 1 diabetes (T1D). The aim of the current study was to determine the possible association between 25-hydroxyvitamin D [25(OH)D] levels and circulating leve...
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Article
Dielectric characterization of semiconducting ZnPc films sandwiched between Gold or Aluminum electrodes
The dependencies of complex dielectric functions (the dielectric constant, ε 1, and the dielectric loss, ε 2), on frequency and temperature of zinc phthalocyanine (ZnPc) thin films...
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Article
Identification and map** of some soil types using field spectrometry and spectral mixture analyses: a case study of North Sinai, Egypt
This study examines linear spectral unmixing technique for map** the surface soil types using field spectroscopy data as the reference spectra. The investigated area is located in North Sinai, Egypt. The stu...
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Article
Extraction of Critical Current Density and Flux Creep Exponent in the Magnetic Superconductor Ru-1212 Using the ac Magnetic Susceptibility Measurements
The ac susceptibility data was employed to extract the temperature dependence of the critical current density, J c(T), as well as the variation of flux-creep exponent n(T,H ...
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Article
On the Applicability of the Magnetic Susceptibility Models for the Magnetic Superconductor Ru-1212
The applicability of theoretical models for the ac susceptibility measurements of polycrystalline RuSr2GdCu2O8 superconductor has been examined within the temperature range between 8–50 K, ac magnetic field 0.5–...
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Article
Pinning Energies and Relaxation Rates in Laser Ablated Al-Doped YBCO Superconducting Thin Films
Systematic magnetization measurements were performed on laser ablated Al-doped YBCO thin films in the temperature range from 4 to 80 K and fields up to 12 T. The magnetization as a function of logarithmic time...
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Article
Scaling Behavior and Estimation of Activation Energy of Polycrystalline RuSr2GdCu2O8 Superconductor from AC Susceptibility Measurements
In this study, the measured curves of AC susceptibility (ACS) components, χ′(T) and χ″(T), of polycrystalline RuSr2GdCu2O8 (Ru-1212) superconductor were scaled onto a single curve using the peak temperature of it...
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Article
Increase in neuronal nitric oxide synthase content of the gastroduodenal tract of diabetic rats
This study examined the changes occurring in the pattern of distribution and expression of neuronal nitric oxide synthase (nNOS)-positive nerves in the gastroduodenal tract of streptozotocin-induced diabetic ...
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Article
Influence of temperature and frequency on the electrical parameters of thermally evaporated metal-free phthalocyanine H2Pc thin films
The ac electrical properties of metal-free phthalocyanine (H2PC) thin films have been studied in the frequency range from 102 to 2×104 Hz and in the temperature range from 150 to 475 K. The ac conductivity σ was ...
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Article
Protective effect of folinic acid on low-dose methotrexate genotoxicity
Introduction Methotrexate (MTX) is an antineoplastic agent widely used in low dose to treat patients with rheumatoid arthritis (RA). Its side effects can partly be explained by folate antagonism. Folinic acid (L...
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Article
The nutritional quality of drum-dried algae produced in open door mass culture
The yield of three large scale cultures ofScenedesmus acutus, Chlorella vulgaris, andCoelastrum proboscideum was drum dried. The amino acid composition of the three species proved to compare well with the FAO (11...
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Article
Specific heat, pressure, and the Grüneisen relation in solid hydrogen
We report systematic measurements ofC v and (∂P/∂T) v in solid hydrogen below 1 K and for orthohydrogen molar concentrations 0.58≥X ortho≥0.20. This is the temperature and conce...
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Article
Folate metabolism in man: the effect of malignant disease
The metabolism of [2-14C]+[3', 5', 7, 9-3H] folic acid and [214C]+[3', 5', 7, 9-3H] 10-formylfolate was studied in hospital inpatients. Metabolites detected in the urine after folic acid feeding included the u...
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Article
Folate catabolism in tumour-bearing rats and rats treated with methotrexate
The metabolism of (2-14C) + (3',5',7,9-3H) folic acid was studied in normal rats, tumour-bearing rats and rats treated with methotrexate (MTX). The experiments were designed to investigate changes in the catab...
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Article
Studies on the mechanism of fungicidal action of crystal violet on mycelial felts of fusarium culmorum
Crystal violet, when incorporated in culture media of mycelial felts of Fusarium culmorum, reduced, or in certain cases stopped, the uptake of nitrate-nitrogen, protein and peptide synthesis, and carbon dioxide o...
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Article
Effect of organic acids on the growth, respiration, and nitrogen metabolism of mycelial felts of fusarium culmorum
The rate of building up of proteins by Fusarium culmorum seems to be accelerated, to a marked extent, in presence of sodium salts of various organic acids, a fact which is most pronounced in case of sodium fumara...
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Article
Effect of age of the mycelial mats of fusarium culmorum on their growth, respiration and nitrogen metabolism
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Article
Correlation between pH-Value of Tomato Tissue and its Susceptibility to Attack by Two Fusaria
The problem of the resistance of plants to fungal or bacterial attack is of great practical importance. If the nature of resistance of a particular plant to a particular pathogen is understood, the plant breed...
