Tikrit Journal of Pure Science

Ten adult rabbits, of different sexes, more than one year of age, grouped in to two groups (A.B.), 5 rabbits in each group, during the period from October 2011 to nov. 2011. Surgical interference (unilateral nephrectomy) and close monitoring was made. Second nephrectomy of contralateral kidney in limited time for each group was done also as follows: A (15day post operation), B (30 day post operation). The kidney specimens were inspected grossly for their shape, anatomical position, length, width and cortical thickness, and microscopically for diameter of renal corpuscles, diameter of proximal and distal convoluted tubules, distance of urinary spaces, thickness of glomerular basement membrane and the interstitial spaces The gross metrical measurement revealed that a positive correlation was observed between the post operative period and of the weight of rabbits, weight of kidney and width of kidney.
Histologically, a significant statistical variations was found between glomerular size, urinary space and proximal and distal convoluted tubules in the two groups. Glomerular size in mostly of the cortical and many of juxtamedullary type showed marked increase even on expense of urinary space size, some time obliteration of space was seen. There were necrotic and shrinkage of some of the glomeruli seen also. Some of tubules undergo necrotic and cuboidal transformations even sloughed cells from basement membrane. The blood vessel showed obvious congestion occasional hemorrhage may be appear in cortical, subcapsular and interstitial areas from rapture of arteriolar or capillary injury.

This work involves the preparation and investigation of new coordination complexes of Ni (II) and Co(II) with the ligands thiolactic (L) and thioglycolic (La) acids. The analysis of the purified products with UV, IR and magnetic measurements shows square-planer environment of the complexes having the formula: [M(L1)] and [M(L2)] where M is the transition metal ions. prepared complexes were converted to macromolecules through the addition of ethylene diamine (en) and diethylene triamine (dien). The new products show the hexa- coordination configuration when investigated by using the prementioned techniques. The limiting viscosity measurements show that the new products possess high molecular weight when compared with the original complexes. This observation reveals that the terminal and intermediate amine groups are playing an important role in connecting neighbor molecules or ions and converting them to macromolecules. Thermal stability thermograms grams show the high stability of the new complexes if compared with the original one. Also, the stability increased directly with the amount of the amine added

Derivatives of 1 (p-nitrophenyl)- 4- (1,2:5,6-di-O-isopropylidene-α-D-glucofuranose-3-O-yl)- 1,3-butanedione (2) and 1,2:5,6-di-O-isopropylidene-a-D-glucofuranose-3-0-yl-acetohydrazide (3) were obtained by reaction of ethyl (1,2:5,6-di-O-isopropylidene-α-D-glucofuranose-3-O-yl) acetate (1) as starting material with p-nitroacetophenone and hydrazine hydrate respectively. The cyclization of (2) with hydrazine hydrate, phenylhydrazine, thiourea and urea gave the corresponding pyrazole (4,5) and pyrimidine (6,7) derivatives. Pyridizine derivatives (8,9) were synthesized y reaction (3) with maleic anhydride and phthalic anhydride presence acetic acid. Reaction (3) with acetyl acetone afforded pyrazole derivative (10). Hydrolysis of the 1,2 and 5,6-isopropylidene groups for all prepared derivatives (4-10) gave the water soluble compounds (11-17). FT- IR., elemental analysis and H-NMR were used to characterize the target compounds.

The aim of the present work is the synthesis of new fluorene derivatives containing heterocyclic moieties. These compounds were synthesized in four groups, each group containing five compounds. The first group was made up of 2-(3-aryl-2-propenoyl) fluorene derivatives (la-e) synthesized from the reaction of 2- acetyl fluorene with appropriate aromatic aldehyde in the presence of sodium hydroxide. The other three groups involved compounds produced from the reaction of (la-e) with hydrazine hydrate (99%) in presence of acetic acid (96%) to give 1- acetyl-5-aryl-3-(fluoren-2-yl) pyrazoline derivatives (2a-e), and with phenyl hydrazine in presence of piperidine to produce 1-phenyl-5-aryl-3- (fluoren-2-yl) pyrazoline derivatives (3a-e), and with hydroxylamine hydrochloride in presence of pyridine to obtain the 5-aryl-3-(fluoren-2-yl) oxazoline derivatives (4a-e). All the compounds of the above three groups were substituted at position (5) in the pyrazoline and isoxazoline ring with different aryl groups according to the aromatic aldehyde used in the preparation of the first group series compounds. The synthesized compounds were identified by spectroscopic methods: FT-IR and 'H-NMR

Alanine aminotransferase and Aspartate aminotransferase were purified from serum of patients with type 2 diabetes (Non insulin dependent diabetes mellitus) in a 2 steps procedure involving dialysis bag and sephadex G- 25 gel filtration (column chromatography). ALT and AST were purified 4.82 fold with 65.38% yield and 3.46 fold with 71.42% yield in serum of patients with type 2 diabetes respectively. The purified enzyme showed single peak. The results of this study revealed that ALT and AST activity of type 2 diabetes serum increased significantly (p<0.001) compared with control group.

A series of complexes of the type [MLCl2], where L = Schiff base formed by condensation of furfuraldehyde and 2-amino-4-methyl pyridine, M = Mn(II), Fe(II), Co(II), Ni(II), Cu(II), Zn(II), and Cd(II), have been synthesized and characterized based on metal content, molar conductivity, magnetic susceptibility measurements, electronic and infrared spectral studies. Infrared spectra of the complexes agree with the coordination to the central metal atom through the nitrogen of the azomethine group and the oxygen atom of the furan ring. Magnetic susceptibility data and electronic spectra suggest an octahedral structure for the Mn(II), Fe(II), Co(II), Ni(II), and Cu(II) complexes and a tetrahedral geometry of the Zn(II) and Cd(II).

An increase in the shear stress that leads to bank failure in water bodies is commonly the result of rapid drawdown of water against bank face. The present research work introduces and discusses a local case study of bank failure of an artificial lake in Iraq (the regulating lake of Mosul dam). The bank susceptible to this failure extends about 4 kilometers long and 0.4 kilometers maximum width. The fluctuation of water level in the lake depends mainly on the daily release of water from Mosul main dam and on the requirement of daily flow in Tigris River. Thus, the lake banks have degraded seriously since the dam operation in 1985. The failures are generally associated with bank tension cracks. These failures are due to the rapid daily draw down of water in the lake causing imbalance condition between the hydrostatic pressure in the lake and the pore water pressure in the saturated bank. This imbalance results in insufficient shear strength against failure. Moreover, the wetting of bank materials causes an increase in its weight and decreases in its strength. The observed collapses are due to the degradation and erosion of cementing material formed of conglomerate terrace. The average amount of bank retreat was found to be 0.144 m/month during the study period. Stability analysis showed high factor of safety at low water level and decreases as water level increases in the lake

This study is based on ten samples that were collected from selected sites at the quaternary recent deposits, with varies depths illustrated among 1.5 and 5.6 m within Kirkuk area (Turkishkan region), northeastern Iraq. They were subjected to laboratory studies including grain size(using sieve (0.063 mm), by wet sieving), mineralogical (using X-ray diffraction analysis, type Panalytical Xpert PRO MPD with Ni-filtered and Cua radiation) and chemical analysis (using polarized energy dispersive XRF). Grain size distributions indicate that the deposits are mainly composed of clay and silt with very small amount of sand. Most of the studied sediments characterized as silty clay (50%), sandy clay (30%) and clayey mud (20%) as texture
Chemical analysis showed that all samples have high concentration in SiO, and CaO in c comparison with Al,O,, MgO, Fe2O, KO, Na2O and SO,. These results are generally in agreement with the mineral composition. Mineralogically, the essential mineral contents in the studied sediment samples are quartz, calcite, feldspar with very small proportions of dolomite. Clay minerals assemblages consist of (Chlorite 35.28%, Kaolinite 20.73%, Illite 19.46%, Palygorskite 14.23% and Smectite 10.29% ) . The nature and abundance of clay minerals, in addition to the resemblance in their sediments forming mineral, refers that these sediment were a similar mineral components but differ only in the proportions of the presence of these minerals. Also reveals that these sediments were derived from rocks of similar mineralogical and chemical composition. The clay mineral assemblages proved that the major phase transformations were not observed in these sediments. The deposition environment of these minerals may be characterized by an arid to semi-arid climate in the source area

Four Ostracoda species have been described from the Lower part of the Jaddala Formation (Late Early Eocene) of north western Iraq, of which three are new: Cytheropteron sinjarensis sp. nov., Cytheropteron iraqensis sp.nov., Cytheropteron zerwensis sp.nov. and one is left in open nomenclature due to the lack of material: Cytheropteron sp.

Two cylindrical electrostatic lenses of different diameters has been designed, of the same length and separate by a distance G-1mm. The axial potential distribution and the focal properties were calculated. It was found that the different diameter of the inner or outer electrode play an important role for the optical performance of the lenses . It was noticed that the lens where D1V1).

In this paper, the energy dispersion relation has been calculated for zigzag carbon nanotubes to study their electronic properties and when they become metal or semiconductor depending on their diameters and chiral angles. The metal carbon nanotubes were taken with chirality of (9,0) and (12,0), and for the semiconductor carbon nanotube, were (10,0) and (13,0). The outcome gave various and tunable energy band gaps.

In this paper, we applied the Haar wavelets method which is operational matrices of orthogonal functions to solve two dimensional Generalized Benjamin-Bona-Mahony equation numerically. It transforms the problem into a simple Lyapunov matrix equation. We compared this numerical result with the exact solution. The accuracy of the obtained solutions is quite high even if the number of calculation points is small, by increasing the number of collocation points the error of the solution rapidly decreases as shown by solving an example. We have been reducing the boundary conditions in the solution by using the finite differences method with respect to time and the notation (6) with respect to space.

A non-Redei type minimal blocking set of size 3/2 (q+1) was known in PG(2,7). Blokhuis, Brouwer and Wibrink [1] in (2003) studied the minimal blocking sets of size 3/2 (q+1) in PG(2.q) for q<41, q is prime, and we found a second minimal blocking set of this size that is non-Re'dei type in PG(2,13), also show that no other non- Re'dei sets of size 3/2 (q+1) occur in PG(2,q), q<41.
In this paper we prove that the projective plane PG(2,q), q-19 does not contain minimal blocking set of size [3/4 (q+1)+1] which have non-Re'dei type.

In this paper we introduce the concept of pseudo quasi-Dedekind module as a generalization of quasi-Dedekind module. A unitary R-module M is called pseudo quasi-Dedekind module if Hom,M) = 0 for all weak- essential submodule N of M. Many basic properties, characterizations and example of pseudo quasi-Dedekind module are given.

In this paper we introduce a new definition is called bi- intuitionistic topological space and from this concept we present some kinds of closed set (semi-closed, pre-closed B-closed a-closed )setes in bi- intuitionistic topological space, define generalized closed set (sg-closed gs-closed gp-closed, ga-closed, ag- closed, gẞ- closed) sets in bi- intuitionistic topological space and give relationship among them, we introduce the definition of T-space in bi- intuitionistic topological space and from this consept we get new results.

This paper presents a new using of k-means clustering techniques. It uses for diagnosis the cryptographic system of cipher messages depending on cipher text. System diagnosis is the first step in analyzing the encrypted messages by the cryptanalyst. The proposed method classify the messages that were encrypted using two systems: simple substitution cipher or transposition technique using k- means algorithm after modifying the Euclidean equation. This method proved to be successful diagnosis all the encrypting messages, that encrypted using one of the two systems, which are tested

In this paper we introduce a new class of separation axioms through the concept e - open set which was studied ,we study the relation among them and some hereditary property. At last we study and investigate the characterization of e- completely regular space and e-regular space.

This paper we introduces types of completely regular in intuitionistic topological spaces and studies the relation among them. I 1. Is also we introduces types of weak completely regular in intuitionistic topological spaces and study the relation among them. Finally, we study the relation between completely regular and weak completely regular in intuitionistic topological spaces

The current study's objectives were to measure the levels of testosterone, follicle-stimulating hormone (FSH), luteinizing hormone (LH), prolactin (PRL), and interleukins (IL4 & IL6) and to examine the role of L-theanine and citicoline as antioxidants to shield the male reproductive system and immune system from oxidative stress caused by treatment with H2O₂ (0.5%) in drinking water for 30 days. The experiment employed albino male rats (Rattus norvegicus) weighing between 250 and 350 grams and aged between three and four months. They were split up into seven groups at random: The first group served as the control; the second group received H2O₂ (0.5%); the third group received L-theanine (6 mg/kg); the fourth group received L-theanine (6 mg/kg) + HO; and the fifth group received citicoline.

The hydrazone ligands (SONPH) utilized in this study, salicylhydrazone (SH) and salicyl phenylhydrazone (SPH) were 4-hydroxy salicylaldehyde-4-nitrophenylhydrazone. 4-HSNPH is salicylaldehyde-2,4-dinitrophenylhydrazone. Physicochemical and spectroscopic methods were used to characterize the produced complexes. Some of the prepared hydrazone complexes are determined to be non-electrolytes (neutrals). Six-coordinated neutral complexes of the type [MLCl₂] (M = Mn, Co, Ni, and Cu) with octahedral geometry were formed when the ligand hydrazone coordinated to the metal ion as a bidentate chelate. Four-coordinated ionic complexes of the type [ML]Cl, where M = Mn, Co, Ni, or Cu, had a square planar or tetrahedral geometry and were formed. The complexes formed in dimethyl sulfoxide correspond to (1:2) electrolytes, according to conductivity measurements, in which the ligand hydrazone couples to the metal as a bidentate chelate to form four-coordinate ionic complexes of the type [ML]Cl₂.

This paper proposes a pseudo-random key generation scheme based on banks of linear shift registers (LSRs). In the proposed approach, selected LSRs are randomly chosen during each system run, allowing the cryptosystem configuration to vary dynamically from one execution to another. For each subsystem (S_i), where (i = 1, \ldots, 4), four LSRs are selected. Consequently, a total of 16 LSRs are employed in each run of the cryptosystem. These 16 registers are selected from a larger bank consisting of 32 available LSRs, thereby increasing the variability and unpredictability of the generated key sequence.