Volume 25 Issue 1
Published: 2025-06-25
Contents
Article
A Study of some Cosmological Parameters at Different Eras of the Universe
Mohammed K. Zeki,
This work deals with the implication of the concept of the energy density at three different eras (radiation, matter and dark energy dominated eras) through the evolution of the universe. The...
Synthesis and Characterization of Mn(II), Fe(II) and Co(II) Complexes with 4-Hydroxypiperidinedithiocarbamate and their Adducts with Neutral Bases
Hasan A. Mohammed, Saad E. Al- Mukhtar,
A new coordination complexes and adducts of the general formulas [M(hpipdtc)2] and [M(hpipdtc)2Ln] where M= Mn(II), Fe(II), Co (II), (hpipdtc)=4-hydroxypiperidinedithiocarbamate, n=1 L= 1, 10phen,...
Isolation and Identification of Saccharomyces cerevisiae var boulardii and its Uses as a Probiotic (in vitro)
Khanda O. Khidhr, Zainab M. AL Zubaidy,
The study included isolation and identification of Saccharomyces cerevisiae var. boulardii from fresh and dried fruits such as (fig, grape, apricot, lychees, mangosteen) which were available in...
Spectrophotometric Determination of Niclosamide by Prior Reduction and Subsequent Diazotization-Coupling with 2,6-Dihydroxybenzoic acid – Application to Tablets
Nabeel S. Othman, Saad H. Sultan,
A simple, rapid and sensitive spectrophotometric method is proposed for the determination of niclosamide (NIC) in pure form and in its pharmaceutical preparations. The method is based on the...
Synthesis, Characterization and Antimicrobial Evaluation of some Schiff Bases Derived from Symmetrical 4-amino-1,2,4-triazole
Badie A. Ahmed, Salim J. Mohammed, Bassam T. Khalil,
A series of new Schiff bases, namely 4-(substituted benzylidene amino)-4H-1,2,4-triazoles (5a-j) derivatives were synthesized by the reaction of symmetrical substituted 4-amino-1,2,4-triazole (4)...
Study of Latent Matrix Metalloproteinase- 1 Activity in Serum and Synovial Fluid of Patients with Rheumatoid Arthritis
Zahraa M. Hamoudatt, Layla A. Mustafa, Saad M.AL-Hasani,
This research was concerned with the measurement of latent matrix metalloproteinase-1 (MMP-1) activity in serum and synovial fluid (SF) of rheumatoid arthritis patients, and evaluation the effect...
The Effect of Isolated Obestatin Hormone from Plasma on some Biochemical Parameters in Normal and Diabetic Rats
Thikra A. Allwsh, Jehan A. Mohammad,
The study included an attempt to isolate and purify obestatin from healthy human plasma using different biochemical techniques. Two proteinous peaks had been isolated by gel filtration...
Antibacterial Effects of Lactic Acid Bacteria Cell Free Extract on the Growth of Local Isolates of Listeria moncytogenes from some Food Sources
Zainab M. Alzubaidy, Shean I. Kakey, Jassim F. Ali,
The present study aimed to determine the antibacterial activity of lactic acid bacteria metabolites against Listeria monocytogenes which was isolated from some foods in local markets of Erbil and...
Sensitive and Selective Spectrophotometric Assay of Lead in Aqueous Solution
Dheeya J. Yacoob,
A sensitive and selective spectrophotometric method for the determination of lead (II) in aqueous solution using zincon reagent has been developed. The pinkish red coloured complex was formed at pH...
Semi Empirical Equation for the Calculation of the Track Diameter of Alpha Particles in CR-39 as a Function of Etching Temperature
Mushtaq A. Al-Jubbori,
In this paper a new semi empirical equation describing the track diameters of particles in CR-39 is presented. The equation involves three free fitting parameters. It is shown that this equation...
Detection of Aspergillus Species in Dried Fruits Collected from Duhok Market and Study their Aflatoxiginic Properties
Asia A. Saadullah, Samir K. Abdullah,
Samples from four types of dried fruits (apricot, fig , grapes and plum) were collected from local markets at Duhok governorate and surveyed for their contamination with Aspergillus species. A...
Dispersion Properties of Up-doping Photonic Crystal Fibers
Huda M. Mohammad, Nawfal Y. Jamil, Abdulghafoor I. Abdullah,
In this papers the novel photonic crystal fibers (PCFs) which consist of air holes surrounded by other substances with triangular lattice arrangement have been assumed. A Full-vector plane wave...