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مجلة ديالى للعلوم الصرفة

ISSN: 83732222/25189255
الجامعة: جامعة ديالى
الكلية: العلوم
اللغة: Arabic and English

This journal is Open Access

حول المجلة

مجلة جامعة ديالى للعلوم الصرفة مجلة علمية فصلية تصدر عن كلية العلوم في جامعة ديالى وباللغتين العربية وألأنكليزية وتهدف للمساهمة في تطوير المعرفة وذلك بنشر البحوث الأصيلة والمراجعات في مختلف العلوم الصرفة والتطبيقية، بحيث تكون سجلاّ للدراسات في هذين المجالين.

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معلومات الاتصال

admin@djps.uodiyala.edu.iq
diyalajournal@gmail.com

جدول المحتويات السنة: 2017 المجلد: 13 العدد: 3 - part 1

Article
Detection of Escherichia coli and Proteus Mirabilis Extended -Spectrum β-Lactamase Isolated from Urinary Tract Infections
الكشف عن انزيمات البيتالاكتاميز واسعة الطيف لبكتريا Escherichia coli و Proteus mirabilis المعزولة من التهاب المجاري البولية

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الخلاصة

A total of 40 urine specimens were collected from patients admitted to Baaquba Teaching Hospital in Baaquba city for the period from 1/ 12 /2014 to 1/01/2015. From them 16 isolates belonging to members of the family Enterobacteriaceae (40%). isolates were identified as E.coli 10 (25%) and three isolates were identified as proteus mirabilis 6 (15%). The results showed that only 4 isolates (25%) were detected as ESBL-producers by using disk approximation method P.mirabilis and E. coli were the species that gave positive results by using this method.


Article
Computer simulation of the fine structures in A-B alloy
محاكاة الحاسوب للتراكيب الدقيقة في السبيكة A-B

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الخلاصة

Computer simulation was used to study the fine structures of 2D- square lattice. The temperatures used in the experiment was below the TC = 770k. Within this range of temperatures, the 2D- square lattice through a chain of successive non- equilibrium configurations which is achieved through the diffusion of atoms into vacant places of lattice .The equilibrium state has been obtained by averaging a number of runs (15-16) million time steps. In equilibrium state of lattice the results showed the existence of different kinds of the fine structures (microdomains, clusters, segregations and antiphase domain boundaries). At a temperatures above TC, clusters and segregations appear and the concentration of atoms in clusters was 0.5 and in segregation 0.1. Also we noticed the changes in microdomains sizes with temperatures.


Article
Synthesis, Characterization and Antibacterial Activities of Mixed Ligand Complexes of Schiff Base Derived from Benzidine and 2-Benzoyl benzoic acid
تخليق,تشخيص وتقييم الفعالية البايولوجية للمعقدات المزيج الليكاند قاعدة شف مشتقة من Benzidine, 2-Benzoyl benzoic acid

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الخلاصة

In this work the preparation and characterization of tetradentate ligand (H2L).The ligand obtained from the reaction of benzidine with 2-benzoyl benzoic acid .The synthesized ligand(H2L) was characterized by UV-Vis , FT-IR spectroscopy, 1H,13 C-NMR spectra, melting point and (C.H.N).The mixed ligand complexes were synthesis from ligand(H2L)was used as a primary ligand while 1,10-phenanthrolineligand (phen)was used as a secondary ligand with metal ion (M(II) : Cu(II),Co(II), Mn(II) ,Ni(II) and Hg(II)). All the complexes were characterized by UV-Vis, FT-IR spectroscopy methods, elemental analysis (A.A), melting point measurements, conductivity and magnetic susceptibility. These measurements showed tetrahadral geometry around (Mn and Ni) ions and square planer geometry around (Co, Cu and Hg) ions.The antibacterial activity of (H2L) and [M2(phen)2(L)]Cl2] complexes in molar ratio [2:2:1] [M:(phn):L] were studied by using (MIC) inhibition method.


Article
Chemical and Isotopic Content and LMWL of Rainwater in Baghdad/Iraq
المحتوى الكيميائي والنظائري لمياه الامطار واعداد الخط المطري في مدينة بغداد/العراق

المؤلفون: Ahmad A. Ramadhan احمد عبدالله رمضان
الصفحات: 38-55
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الخلاصة

Rainwater samples were collected from different areas in Baghdad city of 9 samples for the rainy season 2007-2008, and 14 samples for the rainy season 2008-2009. The objective of this work is to identify the chemical and physical properties as well as isotopes contents of the rainwater, in addition, the LMWL was also carried out for the rainwater in Baghdad city. The results show that the pH was in the range from (5.5-6.44) which is moderately acidic and the TDS was in the range (84-189 ppm). As for cations and anions concentrations, they were in the range of (11.59-28 mg/l) for Sodium, (0.05-1.05 mg/l) for Potassium, (2.2-9.7 mg/l) for Magnesium, (11.22-36.2 mg/l) for calcium, (17.5-39.82 mg/l) for chloride, (18.3-49.57 mg/l) for Bicarbonate and (12.47-38.34 mg/l) for sulfate. On the other hand, the isotopic concentrations of 9 samples of rainwater, which include Deuterium, and Oxygen-18, were determined to be in the range of (-0.79-7.25‰) and (-48.78-18.75‰) respectively. The local meteoric water line for Baghdad city is represented by the following equation: (2H = 8.538 * 18O + 26.175).


Article
Qualitative and Semi Quantitative Analysis of Sample from Kolosh Formation in Kurdistan Region North of Iraq
تحليل وصفي و شبه كمي لنموذج من تكوين كولوش الجيولوجي في اقليم كردستان شمال العراق

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الخلاصة

A sample from Kolosh formation nearby Hizop small village near Kaniwatman area in Kurdistan region was taken for the purpose of conducting qualitative and semi-quantitative analysis for most of elements that constitute the sample. Initial simple physical examination shows that the sample contains a percentage of iron (III) oxide. Three parts of the sample were allowed to react with three in excess concentrated hydrochloric, nitric and sulphuric acids separately. The reaction with HCl gives deep yellow solution, with HNO3 and with H2SO4 gives colorless solution. Most of the transition elements in the periodic table were excluded for the absences of the characteristic colors of their ions in solutions. Analysis shows that the percent of total organic carbon (TOC) in the sample was 5.3%, for silica was 26.9% and for iron was 2.5%. The percentages of missing weight from the samples after their reaction with sulphuric, nitric and hydrochloric, acids were, 42.3%, 44.3% and 48.7% respectively. The group’s qualitative analysis for Kolosh sample showed a measureable presence of iron, silicon, carbon and calcium compounds. The presence was very low for other elements compound like barium, aluminum, lead and thallium. The aim of this work is a qualitative and semi quantitative analysis for probable existence of some elements compound in Kolosh formation mineral.


Article
Synthesis and Biological Active of Some Substituted 1,2,4-Triazoles and Their Fused Ring Derivatives
تحضير بعض معوضات 4،2،1-ترايازول ومشتقات الحلقية المندمجة منها

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الخلاصة

In this paper demonstrated the synthesis of some fused 1,2,4-triazoles derivatives ; Terphthalic acid condensated with ethanol to obtain diethyl terephthalate (1) in the presence of sulfuric acid as catalyst., the ethyl ester (1) was mixed with hydrazine hydrate is ethyl alcohol to give terephthalohydrazide (2). The hydrazide derivative (2) then reacted with ammonium thiocyanate to give yield 2,2'-terephthaloylbis(hydrazinecarbothioamide) (3). 3,4- diamine-bis – 1,2,4-triazole derivative (4) was obtained by reaction of a compound (3) with hydrazine hydrate. 5,5'-(1,4-phenylene)bis(4H-1,2,4-triazole-3,4-diamine) (4) was reacted with a proper aldehyde to yield Schiff bases derivatives (5,6,7).1-(1H-[1,2,4]triazolo[4,3-b][1,2,4]triazol-5-yl)-4-(3H-[1,2,4]triazolo[4,3-b][1,2,4]triazol-6-yl) benzene derivatives (8,9,10) were yielded by reaction a Schiff bases derivative with glacial acetic acid. The structures of the synthesized compounds were confirmed by physical and spectral methods.


Article
Chemotaxonomical study of the genera Brunnera (Schenk) Jonston,Choriantha H.Rirdel., Cynoglossum Mill., Solenanthus Ledeb. & Symphytum (Boiss.) L. (Boraginaceae) in Kurdistan region of Iraq by using High Performance Liquid Chromatography (HPLC)
دراسه تصنيفيه كيميائيه للاجناس Brunnera (Schenk) Jonston,Choriantha H.Rirdel., Cynoglossum Mill., Solenanthus Ledeb. & Symphytum (Boiss.) L. العائده للعائله (Boraginaceae) في اقليم كوردستان العراق باستخدام تقنية HPLC

المؤلفون: Adel Mohan Adai عادل موحان عداي الزبيدي
الصفحات: 88-103
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الخلاصة

In the present study, seven of the phenolic compounds, in seven plant species within five genera of the Boraginaceae family have been identified which were (Brunnera orientalis (Schenk) Jonston., Choriantha popoviana H., Cynoglossum creticum Mill, Solenanthus circinnatus Ledeb, Solenanthus stamineus Defed, Symphytum kurdicum Boiss and Symphytum tuberosum L.). were studied in order to important the phenolic profile. The chemical composition of these species were examined for the content of the following phenolic compounds:Caffeic acid , Estragole,2-6Dimethyl phenol, Coumaric acid, Eugenol,Salicylic acid, and P-Cresol, by using high performance liquid chromatography (HPLC).The results showed that the most abundant phenolic acids were: Coumaric acid and Salicylic acid which were found in all the studied taxa, followed by Caffeic acid was absent from Brunnera orientalis and Solenanthus circinnatus while Eugenol was absent just from Symphytum kurdicum Boiss and Symphytum tuberosum L. , also 2-6Dimethyl phenol was absent from Choriantha popoviana and Cynoglossum creticum, whereas the less prevalent phenolic compounds were Estragole(4- Allyl anisole) and P-Cresol which found in just two of the studied taxa (the first found in Solenanthus stamineus and Symphytum tuberosum L. while the second one found in Choriantha popoviana H. and Symphytum kurdicum Boiss. ). The different distribution for the presence of phenolic compounds in different species was of benefit taxonomic value and can be used to enhance taxonomic studies to isolate and identify plant and do not less important as other taxonomic studies the present study regards as the first study of these Boraginaceae family genera in Iraq.


Article
Synthesis and Antibacterial Evaluation of 2-(chloro / ethyl thio / seleno)-1,8-naphthyridine-3-azetidine Derivatives
تحضير ودراسة الفعالية البايولوجية لمشتقات 2-(كلورو / اثيل ثايو / سلينو)-8,1-نفثايريدين-3-ازيتيدين

المؤلفون: Mohanad Y.Saleh مهند يقظان صالح العلاف
الصفحات: 104-115
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الخلاصة

Synthesis of new heterocyclic fuse compounds by reaction of N-acetyl-2-amino pyridine with through Vilsmeier-Haack cyclization to give 2-chloro-3-formyl-1,8-naphthyridine (1) , chloro atom changing with selenium (2) or Et-S- group (3) , the formyl group in the compounds (1,2,3) converted to schiff base by react with aryl amine (4-9), shiff base derivatives reaction with chloroacetylchloride in triethylamine to give azetidine ring (10-15) . The structures of synthesized compounds were confirmed by spectral and physical data. Some of the newly synthesized compounds exhibited antibacterial activity.


Article
Design and Performance Analysis of a V-Trough Photovoltaic Concentrator
تصميم وتحليل أداء لمركز فوتوفولتائي -V الحوضي

المؤلفون: Alaa H. Shneishil علاء حسين شنيشل
الصفحات: 116-134
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الخلاصة

The idea of concentrating solar energy to increase the output power of photovoltaic (PV) collectors is an area that has received significant attention in recent years. In this study, a design model for a V-trough concentrating PV solar collector by using one and two plane reflectors is theoretically analyzed and validated with experimental measurements data. The angle between the PV collector and reflector and the tilt of PV collector are fixed at 120o and 60o, respectively. Variation of the total solar radiation received by the PV collector without reflector for horizontal surface, for normal incidence, with tilt angle 60o, with one reflector and with two reflectors for a selected day in 15-January during the time period from 7:30 AM to 4:30 PM in Baghdad city for different view factor between the PV collector and reflector (Fr-c) is studied. The results indicated that the total solar radiation at solar noon for Fr-c=0.21 is 1265 W/m2 when using two reflectors, in other words 61% enhancement. On the other hand, there is 120% enhancement of two reflectors system in comparison with horizontal surface without reflector. The Isc at solar noon increase from 0.16 A for PV collector without reflector to 0.22 A with one reflector which represent 37.5% enhancement and to 0.3 A with two reflectors which represent 87.5% enhancement, while the open circuit voltage (VOC) increase from 8.35 volt for PV collector without reflector to 8.43 volt with one reflector and to 8.4 volt with two reflectors.


Article
Antibacterial activity of ethanol and aqueous extracts of some Perennial plants against three gram negative pathogenic bacteria from Koya city – Kurdistan Region - Northern Iraq
الفعالية المضادة للبكتريا للمستخلصات الكحولية والمائية لبعض النباتات المعمرة تجاه ثلاثة أنواع من البكتريا المرضية السالبة لصبغة كرام والمعزولة من مدينة كويا- إقليم كردستان- شمال العراق

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الخلاصة

The aim of this investigation was to determine whether both ethanol and aqueous extracts of different parts of three Perennial plants (Dodonaea viscosa, Eucalyptus sp. and Pinus sp.) could provide the biological activity to inhibit the growth of three gram negative pathogenic bacteria include: Eschericia coli, Pseudomonas aeruginosa and Salmonella typhi. 20 grams of the plant parts powder were extracted with 200 ml of ethanol and 40 grams were extracted with 160 ml of distilled water. MIC was estimated for ethanol and aqueous. Antibacterial activity assay of the ethanol and aqueous extracts was carried out disk diffusion method. Pure colonies of test bacteria were transferred to nutrient broth and incubated overnight at 37C˚ and turbidity of prepared inoculums were adjusted equal to that 106 CFU/ml (standardized by 0.5 McFarland standards) and 100μl of inoculum was spread on Muller-Hinton agar medium by using a sterile glass spreader. For control, discs were impregnated with sterile water or absolute alcohol (control negative) and also standard antibiotic discs (ciprofloxacin 10μg/disc, Ampicillin 10μg/disc and cloxacillin 10μg/disc, Tobramycin 10μg/disc) as a control. Interestingly in our study we have observed promising antimicrobial activity against studied bacteria. It is worth mentioning that most of the results of aqueous and ethanolic extracts were distinct because they cannot appearing in some large inhibition zone, but it was interesting because it was close to the positive control , where inhibition percentage arrived to more than 90%. Suggest both extracts of D.viscosa shoots against P. aeruginosa, Eucalyptus sp. leaves against E.coli and S. typhi , ethanolic extract of pine cone against P. aeruginosa and aqueous extract of pine leaves against E.coli , as a good antibacterial” .


Article
Preparation, Characterization and Biological Activity Studies for Some Mixed Ligands Complexes of 1, 10- Phenanthroline and Schiff Base Ligand with Metal Ions
تحضير وتشخيص ودراسة الفعالية البيولوجية لبعض معقدات مزيج الليكاندات قاعدة شف و 1, 10 -Phenanthroline مع الايونات الفلزية

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الخلاصة

The ligand (H2L) Schiff base was synthesized via a reaction of oxo ethanoic acid and Ethane-1,2-diamine environment and characterized by different techniques such as: (1H-N.M.R, C.H.N, UV-Vis, and FTIR). Mixed ligands complexes of some metal ions [Hg(II), Cu(II),Mn(II), Ni(II), and Co(II)] were prepared by the reaction of 1,10- Phenanthroline and ligand. The preparation mixed ligand complexes were diagnosed with different techniques such as :( micro-elemental analysis, molar conductance, atomic absorption, UV-Vis, FT-IR, and magnetic susceptibility). Based on the products that characterized its geometric arrangement is octahedral that the metal ions was coordinated with (H2L) by two oxygen atoms of carboxyl groups and two nitrogen atoms of imine groups in mixed ligand complexes, in addition to coordination with 1,10-Phenanthronline by nitrogen atoms. All complexes showed antibacterial activity toward two types Gram-positive and two types (Gram-negative bacteria.


Article
Screening for celiac disease using anti-tissue transglutaminase antibody assays in healthy students individuals
الكشف عن مرض حساسية الحنطة باستخدام فحص أضداد نسيج الترانسكلوتامنيز في الطلبة الأصحاء

المؤلفون: Braihan Hamdi Hameed بريهان حمدي حميد
الصفحات: 162-169
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الخلاصة

This study was aimed to determine the prevalence of seropositivity of celiac disease among apparently healthy individuals. Between December / 2014 to March / 2015, eighty four apparently healthy students (42 males and 42 females) of the Technical College/Kirkuk with mean age ± standard deviation of 22.25 ± 2.85 years where participated in the study. All subjects were serologically screened for the presence of immunoglobulin A and G of anti-tissue transglutaminase antibodies (IgA-tTG and IgG-tTG) by using Enzyme-Linked Immunosorbent Assay (ELISA). In total, 84 students (42 males and 42 females). There was only five students (5.9%) who had a seropositive for celiac disease, including 4 females and 1 male, among them only one female showed positive results of both IgA and IgG anti-tissue transglutaminase antibodies (IgA-tTG and IgG-tTG), while the remaining students (3 females and 1 male) revealed negative results of IgA anti-tissue transglutaminase antibodies and positive results of IgG anti-tissue transglutaminase antibodies. The Computerized Microsoft Excel program was performed by using proportions and mean ± standard deviation. In conclusions, positive celiac screening is existent at a high prevalence rate in our healthy individuals, in which the individuals' IgA deficiency are detected with the positivity of IgG anti-tissue transglutaminase antibodies. Females are more affected than males. A study widely is needed to estimate the real prevalence by substantiation of positive cases with histological examination.


Article
A study the Spectrum for A Probabilistic Hilbert Space Operator
دراسة الطيف لمؤثرات فضاء هلبرت الاحتمالي

المؤلفون: Sarkesh Khalid Ridha سركش خالد رضا
الصفحات: 170-181
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الخلاصة

The objective of this work is to exhibit an integrated to the spectrum of bounded linear operator in probabilistic Hilbert space (PH-space). We have given several theorems, and some of its essential properties to the spectrum of the bounded linear operators in PH-space.


Article
Investigation of the ground state features for some Sn-isotopes in the framework of Skyrme-Hartree-Fock method
دراسة خصائص الحالة الارضية لبعض نظائر القصدير باستخدام طريقة سكيرم- هارتري- فوك

المؤلفون: Ahmed N. Abdullah أحمد نجم عبدالله
الصفحات: 182-194
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الخلاصة

The nuclear ground state properties of some Sn-isotopes have been investigated by the Skyrme-Hartree-Fock (SHF) method with the Skyrme parameters; SII, SIII, SV, SKXce, SLy4 and SKT. These nuclear properties include the charge, proton and matter densities and their root mean square (rms) radii, neutron skin thickness, nuclear binding energy per particle and charge form factor. The obtained results are compared with the available measured data and the relativistic mean field theory (RMFT) results.


Article
Study a level of TNF-α and INF-Ƴ in patients with Type I and II Diabetes Mellitus in diayla governorate
دراسة مستوى عامل التنخر الورمي الفا وانترفيرون كاما للمرضى المصابين بداء السكري النوع الاول والثاني في محافظة ديالى

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الخلاصة

The aim of this study was to determine a level of TNF-α and INF-Ƴ in patients with Type I and Type II Diabetes Mellitus, this cytokines measured by enzyme-linked immunosorbent assay (ELISA). A total of 70 patients and 20 healthy volunteers were included in this study, collected during the period from the beginning of August 2015 to the end of May 2016. The results showed a significant increase in the concentration of INF-Y in the serum of both types diabetes mellitus with the control group there were, the level of INF-Y in patients with type I and type II diabetes mellitus was 740.1, 738.5 pg / mL respectively while the level in control group was 431.9 pg / mL .As well as the results showed a significant increase in the concentration of TNF-α in the serum of both types diabetes mellitus than control group there were, the level of TNF-α in patients with type I and type II diabetes mellitus was 339.2 , 228.4 pg / mL respectively while the level in control group was107.8 pg / ml.


Article
Determination of adsorbed Mn (II) and Cr (III) ions using hydrogel beads and AAS measurements
تقديرايونات المنغنيز (II) والكروم (III) الممتزة باستخدام حبيبات الجل المائية وقياسات الامتصاص الذري

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الخلاصة

In this work the hydrogel (Poly acrylic acid) beads used for adsorb Mn (II) and Cr (III) from aqueous solutions. The adsorption capacity of the adsorbents is presented, the time required to reach a maximum capacity of bead (130.62, 123.13) mg/g for Mn (II) and Cr (III) ions respectively was about 24 hr. The initial concentration, temperature, time and pH effect on adsorption process were studied. The experimental data have been analyzed using the Langmuir and Freundlich. The Langmuir isotherm model gave the highest R2 value of (0.9999 and 0.9992) for Mn (II) and Cr (III) ions respectively. The thermodynamic parameters were studied and calculated. First-order and second- order kinetic models were used and it is shown that the experimental data was in reliable compliance with the first- order model with an R2 value of (0.984 and 0.993) for Mn (II) and Cr (III) ions respectively. The process is very efficient, especially for the removal of pollutants in aqueous solutions and more than 95% of study cations were removed by this adsorbent. The concentration of metal ion in the solutions was measured using AAS. The method was linear with an R2 of (0.9992 and 0.9989) for Mn and Cr respectively.


Article
Influence of Substrate Material on Structure Formation and Optical Properties of CdS Thin Films by Chemical Spray Pyrolysis
تأثير مادة القاعدة على الخواص التركيبية و البصرية لشبه الموصل كبريتيد الكادميوم المحضرة بطريقة الرش الكيمياوي الحراري

المؤلفون: Tariq Abdul-Hameed Abbas طارق عبدالحميد عباس
الصفحات: 226-244
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الخلاصة

Cadmium sulfide (CdS) thin films have been deposited on a variety of substrates by using homemade chemical spray technique (CSP). A study of the effect of substrate material on the structure and optical properties of the fabricated films is reported. X-ray diffraction studies confirm the polycrystalline nature of the films with hexagonal structure and a preferential orientation along the (002) plane. The surface morphological studies revealed the nanocrystalline grains, and all the deposited films have uniform well covered grain size on the surface of the substrates. The compositional analyses showed highly stoichiometric, and the S/Cd atomic ratio is close to one. The optical studies showed the average transmittance of the films deposited on different substrates in the visible and near infrared regions is about (65 to 80) %, and band gap varied from (2.432 to 2.444) eV. The obtained results indicated that the substrate nature has a strong factor influencing on the formation and optical properties of CdS films.


Article
Extract Unique Personal ID Using Fingerprint
استخلاص رقم فريد لتحديد الهوية الشخصية باستخدام بصمة الاصبع

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الخلاصة

Security documents like certificates, land revenue documents, etc., have only the individual’s name, address, and in some cases a photo as means of personal identification. This makes criminal impersonation an easy task. Therefore, many of these limitations can be eliminated by incorporation of better methods that can be used to verify identity by measuring and analyzing human characteristics instead of things the individual may have (smart card) or know (password). The main goal of this paper is using the fingerprint technology to generate the unique ID based on the core point of the fingerprint of an individual that can be used for identifying person identity. The finger-print’s minutia features are extracted with the core point as the reference based on the seven moment invariants, Then the extracted features are converted into numerical value, This numerical value is used as the unique ID for printing in the security documents for the personal identification. If the fingerprint image does not contain the core point such as the plain arch and tented arch patterns then we must create the center point in this fingerprint image and this is considered as the core point. The minutia features will be computed with this point as the reference point and this is used to generate a unique ID.


Article
Hybrid Face Recognition Algorithm for Wireless Sensor Network
خوارزمية هجينة لتمييز الوجوه في شبكات الاستشعار اللاسلكية

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الخلاصة

Since computing technology increasing as part of our daily life activity, there is a need for new branches of applications. Developing the Wireless Sensor Network (WSN) application to adequate to work within the access control of smart home is the main aim of this paper. In this paper, a new approach of face recognition is proposed to work with WSN depending on Gabor filter and the computation of Eigen faces. Centralized algorithm principle is depended on work to carry the work load to the base station node with a flat architecture based on the principle of gossiping routing protocol. The feature vector that is traveling on the network is compressed to only 15 components with recognition rate reaches to 100% and reduction in computation complexity of Eigen faces.


Article
The level of Dehydroepiandrosterone sulfate hormone in Iraqi Diabetic patients with Nephropathy
مستوى هرمون الديهايدرو سلفيت عند المرضى العراقيين المصابين بالسكري مع اعتلال الكليتين

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الخلاصة

Diabetes Mellitus is a chronic and complex disease, requiring continued lifelong management aimed at reducing premature mortality and the high morbidity caused by chronic complications, one of the main causes of chronic renal failure is diabetic nephropathy. The responsive filtering system in the kidney becomes progressively destroyed after many years of diabetes. This study was conducted to establish relationship of Dehydroepiandrosterone sulfate (DHEA_S) level with increased risk factor of kidney damage in diabetic, diabetic nephropathy and control men. Eighty one subjects were divided in three groups were incorporated in this study, 32 were healthy control ,with mean age ( 54±0.34) years , 30 diabetic men with mean age (55±0.9) years, and 19 diabetic men with nephropathy with mean age ( 65±0.57) years. They were attended at Baquba Teaching Hospital. This investigation was carried out on serum sample to measure the concentrations of DHEA-S by using [Enzyme-Linked Immuno Sorbents by Assay [ELISA]] test using commercially available kits. In addition to that, serum creatinine, blood urea, albumin, fasting serum glucose (FSG), Glycohemoglobin (Hb1AC), systolic blood pressure (SBP), body mass index (BMI), diastolic blood pressure (DBP) , and the duration of disease were identified in the control and patients. The experimental results revealed that the mean value of DHEA-S concentration was none significantly decreased in diabetic comparing to the control group (p>0.005), while the level of DHEA-S concentration were decreased significantly in diabetic with nephropathy compared to healthy control subject (p<0.005). Also, low mean concentration of serum DHEA-S noticed in all groups of diabetic patients, and highly significant decrease in DHEA-S levels with advancing age in the studied groups. This finding had been proved by multiple regression model used in this study, which showed that the negative correlation found between age, and serum DHEA-S level. The concentration of the other parameters (blood urea and creatinine) increases in the serum of patient groups as compared to the control group, on other hands decreased albumin in patient groups as compared to the control group. In summary, there is a major association between DHEA-S levels and diabetic nephropathy. These conclusions promote that DHEA-S level inversely correlated with the progression of diabetic nephropathy in diabetic men. Also decrease in DHEA-S levels with advancing age in the studied groups suggest that apart from age being diabetic is related with lower mean value of this hormone.

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