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Molecular Evaluation of Viral load and Genotype of HCV in Acute and Chronic HCV Patients in Kirkuk City 基尔库克市急性和慢性HCV患者HCV病毒载量和基因型的分子评估
Pub Date : 2019-01-01 DOI: 10.32894/kujss.2019.14.1.2
I. Saadoon, T. Hamada, Muhannad Abdulla Alazzawy
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引用次数: 0
An experimental investigation of Impact of ZrO2 nanoparticles in DI engine performance ZrO2纳米颗粒对直喷发动机性能影响的实验研究
Pub Date : 2019-01-01 DOI: 10.32894/kujss.2019.14.1.6
A. Hamadi, H. Dhahad, Ali Ghufran Khidhir
Many investigators have examined the effluent of different types of nanoparticles on emission characteristics and performance of diesel engine but most of the present studies have been concentrated only diesel or biodiesel that contain dispersed nanoparticle. In the present work, water in diesel Nano-emulsified fuel was prepared by high speed rotor-stator homogenizer, and then addition of (50ppm, 100ppm, 150ppm) Zirconium oxide ZrO2nanoparticle blended water-diesel nanoemulsion (WiDNE). The objective of this project is to evaluate the effect of ZrO2 nanoparticles on combustion characteristics and engine performance. Direct injection (DI), water cooled four cylinders, in-line, natural aspirated Fiat diesel engine was used and run at a constant speed (1500 rpm) and constant fuel injection pressure (400 bars) with varying the operation load. The concentration of the emission gases such as NOx, unburned total hydrocarbon HC, CO and CO2 was measured by Multigas analyzer model 4880. The engine exhaust smoke emissions were measured using the AVL-415 smoke meter. The experimental results notified that WiDNE+ZrO2 fuel imposes the capability to enhance fuel properties, improve the engine efficiency as well as reduction in the emissions concentrations of exhaust gas.
许多研究者研究了不同类型的纳米颗粒对柴油机排放特性和性能的影响,但目前的研究大多集中在含有分散纳米颗粒的柴油或生物柴油上。采用高速转子-定子均质机制备柴油纳米乳化燃料中的水,然后加入(50ppm、100ppm、150ppm)氧化锆zro2纳米颗粒混合水-柴油纳米乳液(WiDNE)。该项目的目的是评估ZrO2纳米颗粒对燃烧特性和发动机性能的影响。采用直喷式(DI),水冷式四缸直列自然吸气菲亚特柴油发动机,在恒定转速(1500 rpm)和恒定燃油喷射压力(400 bar)下运行,并改变运行负载。采用4880型Multigas分析仪测定了NOx、未燃烧总烃HC、CO和CO2等排放气体的浓度。发动机排烟量采用AVL-415型烟量计测量。实验结果表明,WiDNE+ZrO2燃料具有增强燃料性能、提高发动机效率和降低废气排放浓度的能力。
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引用次数: 3
Detection of Toxoplasma gondii in Iraqi Women with Breast Cancer by Real-Time PCR 伊拉克乳腺癌妇女刚地弓形虫的实时荧光定量PCR检测
Pub Date : 2019-01-01 DOI: 10.32894/kujss.2019.14.3.1
A. Mahmood, Z. Rezaig
A cross-sectional study was carried out in Kirkuk city from 15 th of June 2018 to 15 th of December 2018 to detect of Toxoplasma gondii DNA in sera of women with breast cancer by real-time PCR and comparing the results with IgG and IgM toward T. gondii. The number of breast cancer women understudy were 35. The ages of the patients were between 20-75 years old. These patients admitted to Kirkuk oncology center. The control group were included 50 healthy individuals. blood was collected from each patients and control for molecular tests of T. gondii using real-time PCR and serological testing for detection specific Toxoplasma gondii IgM and IgG by using ELISA technique. The study showed that the highest rate of anti T. gondii IgM+ IgGantibodies 8.57% was recorded among women with breast cancer comparing with 8% in healthy control while 14.29% of women with breast cancer were IgM+IgG+ comparing 6% of the healthy control group. The highest rate of total T. gondii antibodies by ELISA 68.57% was noted among women with breast cancer and the lowest rate was among healthy control 20%. The study revealed that 54.17% of women with breast cancer with positive ELISA was positive by PCR comparing with 9.09% of patients with negative ELISA results. The result was highly significant with sensitivity and specificity of 54.17% and 90.09% respectively. The highest rate of anti T. gondii IgM+ IgGantibodies 66.67% women with breast cancer was positive by PCR followed by 40% of patients with IgM+ IgG+ antibodies. It was concluded that Toxoplasma gondii more frequently associated with breast cancer and PCR was more accurate in detection of the parasite.
本研究于2018年6月15日至12月15日在基尔库克市开展横断面研究,采用实时荧光定量PCR检测乳腺癌妇女血清中弓形虫DNA,并与弓形虫IgG和IgM检测结果进行比较。乳腺癌女性代演人数为35人。患者年龄在20-75岁之间。这些病人住进了基尔库克肿瘤中心。对照组为50名健康个体。采用实时荧光定量PCR对患者和对照组进行弓形虫分子检测,采用ELISA技术对弓形虫IgM和IgG进行血清学检测。研究表明,乳腺癌女性中IgM+ igg抗体的最高比例为8.57%,而健康对照组为8%;乳腺癌女性中IgM+IgG+的比例为14.29%,而健康对照组为6%。ELISA检测的弓形虫总抗体阳性率在乳腺癌患者中最高,为68.57%,在健康对照组中最低,为20%。该研究发现,PCR阳性的乳腺癌患者中54.17%为阳性,而ELISA阴性的患者为9.09%。结果具有高度统计学意义,敏感性为54.17%,特异性为90.09%。PCR检测弓形虫IgM+ igg抗体阳性率最高,为66.67%,其次为IgM+ IgG+抗体阳性率为40%。结论:弓形虫与乳腺癌的相关性较高,PCR检测弓形虫的准确性较高。
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引用次数: 1
Determination the Time of Toxoplasmosis among Pregnant Women by using IgG Avidity to Various Toxoplasma Gondii Antigens IgG对各种弓形虫抗原的亲和力测定孕妇弓形虫病发病时间
Pub Date : 2019-01-01 DOI: 10.32894/kujss.2019.14.1.1
S. Tawfiq, Z. Rezaig, Mohemid Al- Jebouri
Toxoplasmosis is caused by Toxoplasma gondii, which is an intracellular protozoan parasite. Its main host is the cat. It is one of the most common human parasites. The main objective of this study is to determine the time of T. gondii infection among pregnant women by using avidity test of Toxoplasma IgG to various Toxoplasma antigens. The study period was from August 2017 to February 2018 to study the time of toxoplasmosis among 180 pregnant women and 100 non pregnant married women as control attending to hospitals, primary health care centers and some private medical laboratories. The pregnant women were examined for Toxo-IgG seroprevalence by using ELISA technique, and then examined their avidity of antibodies for specific Toxoplasma antigens by using line immune assay. The rates of Toxo-IgG seropositive were64 (35.56 %) among pregnant women. Regarding the reactivity of determined Toxo-IgG against various Toxoplasma antigens, the rates were 40(62.50%), 39 (60.93%), 63(98.43%) ,55(85.93%) ,63(98.43%), 62(96.87%) ,41(64.04%) and 42(65.62) positive for Toxoplasma ROP1C, MIC3, GRA7, GRA8, p30, MAG1,GRA1,rSAG1 antigens, respectively. Considering the avidity of Toxo-IgG for these antigens, the rates of high avidity were higher than low and intermediate avidity. So, the highest rate of high avidity was 85.0% for ROP1c antigen. It is concluded that the highest rate of predicting Toxoplasma infection among pregnant women was for a period of more than 6 months, which makes it less dangerous for maternal and fetal health.
弓形虫病是由刚地弓形虫引起的,它是一种细胞内的原生动物寄生虫。它的主要宿主是猫。它是最常见的人类寄生虫之一。本研究的主要目的是通过弓形虫IgG对各种弓形虫抗原的亲和力试验,确定孕妇感染弓形虫的时间。研究时间为2017年8月至2018年2月,研究180名孕妇和100名未怀孕的已婚妇女在医院、初级卫生保健中心和一些私人医学实验室就诊的弓形虫病时间。采用ELISA法检测孕妇弓形虫igg血清阳性率,采用线免疫法检测孕妇弓形虫特异性抗原抗体的亲和力。孕妇弓形虫igg血清阳性率为64例(35.56%)。弓形虫igg对弓形虫ROP1C、MIC3、GRA7、GRA8、p30、MAG1、GRA1、rSAG1抗原的阳性率分别为40(62.50%)、39(60.93%)、63(98.43%)、55(85.93%)、63(98.43%)、62(96.87%)、41(64.04%)和42(65.62%)。考虑到弓形虫igg对这些抗原的亲和力,高亲和力的比例高于低亲和力和中等亲和力。因此,ROP1c抗原的高贪婪率最高为85.0%。结论:妊娠期6个月以上的孕妇弓形虫感染预测率最高,对母婴健康的危害较小。
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引用次数: 1
Evaluation of Ribonuclease (RNAse) Activity in the Sera of Women with Breast Tumor. 乳腺癌患者血清核糖核酸酶(RNAse)活性的评价。
Pub Date : 2019-01-01 DOI: 10.32894/kujss.2019.14.1.3
Basma F. Tawfeq, Kdiar A. Kdiar, Saba Kurshid
In this study 125 patients with breast tumors (61 patients with benign breast tumors, 64 patients with malignant breast tumors) with age range between (20-75) years collected from Center of Early Detection of Breast Cancer in Azady Teaching Hospital in Kirkuk City from November 2016 to end of May 2018 and matched with 50 healthy women as control group. Serum RNAse activity and total protein (albumin, globulin) concentration were estimated in all patients (benign and malignant) and compared to control group. The present observational study has shown a significant elevation in serum RNAase activity in cases of breast carcinoma and benign breast lesions as compared to control, which can use RNAse as tumor marker for breast tumor.
本研究于2016年11月至2018年5月底在基尔库克市阿扎迪教学医院乳腺癌早期检测中心收集了年龄在(20-75)岁之间的125例乳腺肿瘤患者(61例乳腺良性肿瘤,64例乳腺恶性肿瘤),并与50名健康女性作为对照组。评估所有患者(良性和恶性)的血清RNAse活性和总蛋白(白蛋白、球蛋白)浓度,并与对照组进行比较。本观察性研究发现,乳腺癌及乳腺良性病变患者血清RNAase活性较对照组显著升高,可将RNAase作为乳腺肿瘤的肿瘤标志物。
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引用次数: 0
Estimating Parameters for Extension of Burr Type X Distribution by Using Conjugate Gradient in Unconstrained Optimization 无约束优化中利用共轭梯度估计毛刺X型分布扩展参数
Pub Date : 2019-01-01 DOI: 10.32894/kujss.2019.14.3.4
Zeyad M. Abdullah, M. A. Khaleel, Moudher Kh. . Abdal-hameed, P. E. Oguntunde
1 Computer Department, Collage of Computer Science and Mathematics, University of Tikrit, Tikrit, Iraq. 2 Mathmatic Department, Collage of Computer Science and Mathematics, University of Tikrit, Tikrit, Iraq. 3 Department of General Administration, Collage of Administration and Economics, University of Tikrit, Tikrit, Iraq. 4 Department of Mathematics, Covenant University, Ota, Ogun State, Nigeria. 1 zeyaemoh1978@tu.edu.iq, 2 mun880088@tu.edu.iq, 3 moudher@yahoo.com, 4 pelumi.oguntunde@covenantuniversity.edu.ng
1伊拉克提克里特市提克里特大学计算机科学与数学学院计算机系2伊拉克提克里特市提克里特大学计算机科学与数学学院数学系3伊拉克提克里特市提克里特市行政与经济学院综合行政学系4尼日利亚奥贡州奥塔塔圣约大学数学系1 zeyaemoh1978@tu.edu.iq, 2 mun880088@tu.edu.iq, 3 moudher@yahoo.com,4 pelumi.oguntunde@covenantuniversity.edu.ng
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引用次数: 4
Existence Solution of Volterra Hammerstein Equation in L^p Space L^p空间中Volterra Hammerstein方程的存在性解
Pub Date : 2019-01-01 DOI: 10.32894/kujss.2019.14.3.5
M. Shihab
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引用次数: 0
The Reactivity of Anti-HCMV IgM to Various Specific HCMV Antigens Among Pregnant Women in Kirkuk. 基尔库克孕妇抗HCMV IgM对多种特异性HCMV抗原的反应性
Pub Date : 2018-12-01 DOI: 10.32894/KUJSS.2018.13.4.5
S. Qader, I. Saadoon, T. Hamada
Human Cytomegalovirus (HCMV) is a DNA virus of the Betaherpesvirinae subfamily and Herpesviridae family. HCMV is a leading cause of congenital infections throughout the world. This study was carried out in Kirkuk governorate from July 2017 to January 2018,aimed at studying there activity of anti-HCMV IgM to various specific HCMV antigens among 180 pregnant women attending hospitals, primary health care centers and some private medical laboratories. The pregnant women were examined for HCMV-IgM seroprevalence using Electro-chemo-luminescence(ECLIA) technique then examined their reactivity for specific HCMV antigens using line immune assay. The rates of HCMV-IgM seropositive were 22 (12.22 %). Regarding the reactivity of determined HCMV-IgM against various HCMV antigens, the rates 14 (63.63%), 13(59.09%), 21(95.45%), 15(68.18%), 21(95.45%) and 16(72.72%) were seropositive for HCMV IE1, CM2, p150, p65, gB1 and gB2 antigens, respectively. Concerning the band intensity of HCMV-IgM reactions with HCMV antigens, the rates of (+++) were higher than other band intensity for all antigens with highest rate for gB1 antigen (85.71%). So, the highest rate of HCMV-IgM reaction with the number of antigens was 40.90% for three antigens at the same time. In conclusion, the highest rate of HCMV-IgM in pregnant women was for gB1and p150 antigens; while the highest rate of intensity reaction was (+++)and the highest rate of HCMV-IgM ability for reaction was for three antigens at the same time.
人巨细胞病毒(HCMV)是Betaherpesvirinae亚科疱疹病毒科的一种DNA病毒。HCMV是全世界先天性感染的主要原因。这项研究于2017年7月至2018年1月在基尔库克省进行,旨在研究180名在医院、初级卫生保健中心和一些私人医学实验室就诊的孕妇中抗HCMV IgM对各种特异性HCMV抗原的活性。使用电化学发光(ECLIA)技术检测孕妇的HCMV IgM血清流行率,然后使用线免疫测定检测孕妇对特异性HCMV抗原的反应性。HCMV IgM阳性率为22(12.22%)。关于测定的HCMV IgM对各种HCMV抗原的反应性,HCMV IE1、CM2、p150、p65、gB1和gB2抗原的阳性率分别为14(63.63%)、13(59.09%)、21(95.45%)、15(68.18%)、21和16(72.72%)。HCMV-IgM与HCMV抗原反应的条带强度,所有抗原的(+++)阳性率均高于其他抗原,gB1抗原阳性率最高(85.71%),因此,三种抗原的HCMV IgM反应的最高阳性率为40.90%。结论孕妇HCMV IgM阳性率最高的是gB1和p150抗原;而HCMV IgM反应能力的最高比率是同时对三种抗原。
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引用次数: 0
Study of Some Influencing Factors on the Dielectric Strength of (Blend PZT) Nanocomposites Piezoelectric 影响(共混PZT)纳米压电复合材料介电强度的因素研究
Pub Date : 2018-12-01 DOI: 10.32894/kujss.2018.13.4.15
J. Al-Suwaydawei
The aim of this research is to study the affecting factors on the dielectric strength of polymeric blend [of Epoxy resin and unsaturated polyester] and its composites. A Nano composites were prepared based on polymeric blend ( 80% Ep + 20% UPE), supported by Nano Piezoelectric powder (PZT), of crystalline size (1-10 nm) with weight percentages (2, 4 and 6 Wt%). Dielectric strength (Ebr) for the blend and composite samples was studied before and after immersion in water for 11 weeks. The results showed that (Ebr) decreases with average the rise of voltage decreasing, increasing the thickness of samples and by form nonlinearly (35.13 kv/s – 19.38 kV/s), and with the number of cycles While (Ebr) increases with increasing the addition of ratio (36.77 kV/s – 43.82 kV/s ). On the other hand, immersing the samples in the water caused a clear reduction of the dielectric strength for each of the blend and composites.
本研究的目的是研究影响[环氧树脂和不饱和聚酯]聚合物共混物及其复合材料介电强度的因素。基于聚合物共混物(80%Ep+20%UPE),由纳米压电粉末(PZT)支撑,制备了具有重量百分比(2、4和6Wt%)的晶体尺寸(1-10nm)的纳米复合材料。在浸入水中11周之前和之后,研究了共混物和复合材料样品的介电强度(Ebr)。结果表明,(Ebr)随电压的升高而平均降低,随样品厚度的增加而非线性减小(35.13kV/s–19.38kV/s),随循环次数的增加而减小。另一方面,将样品浸入水中会导致混合物和复合材料的介电强度明显降低。
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引用次数: 0
Seroprevalence of Toxoplasma-IgA and its Relation to Serum IL-4 Level Among Pregnant Women. 孕妇血清弓形虫iga阳性率及其与血清IL-4水平的关系
Pub Date : 2018-12-01 DOI: 10.32894/kujss.2018.13.4.6
S. Tawfiq
Toxoplasmosis is caused by infection with the parasite Toxoplasma gondii. It is one of the most common parasitic infections in humans and is most typically asymptomatic. However infection in a pregnant woman can cause severe and disabling disease in the developing fetus. The presented study aimed to determination the correlation of Toxo-IgA seroprevalence among pregnant women to various Toxoplasma antigens with the serum IL-4 level. From the June 2017 to January 2018, 300 pregnant women enrolled in this study attended to hospitals, primary health care centers and some private medical laboratories in Kirkuk. The pregnant women were examined for Toxo-IgA and determine their specificity for various Toxoplasma antigens by using line immune assay and the serum IL-4 evaluated by using ELISA technique. The rates of Toxo-IgA seropositive were 22 (7.33 %). Considering the reactivity of determined Toxo-IgA against various Toxoplasma antigens; the rates were 12(54.54%), 13(59.09%), 11(50.00%), 14(63.63%), 17(77.27%), 13(59.09%), 11(50.00%) and 18(81.81%) seropositive for Toxoplasma ROP1C, MIC3, GRA7, GRA8, p30, MAG1, GRA1 and rSAG1 antigens respectively. Regarding to the total serum IL-4 level, the highest rate of decreased serum IL-4 level among Toxo-IgA seropositive was 59.09%.In the presented study we concluded the highest rates of decreased serum IL-4 levels was 54.55% seen within Toxo-IgA seropositive for GRA7 and GRA1 antigens , and the rates of increased serum IL-4 level ranged from 5.88% to 9.09% within all seropositive groups to various Toxoplasma antigens.
弓形虫病是由弓形虫感染引起的。它是人类最常见的寄生虫感染之一,也是最典型的无症状感染。然而,孕妇感染可导致发育中的胎儿患上严重的致残性疾病。本研究旨在确定孕妇对各种弓形虫抗原的弓形虫IgA血清流行率与血清IL-4水平的相关性。从2017年6月到2018年1月,300名参与本研究的孕妇前往基尔库克的医院、初级卫生保健中心和一些私人医疗实验室。对孕妇进行Toxo-IgA检测,并用线免疫法测定其对各种弓形虫抗原的特异性,用ELISA技术评估血清IL-4。Toxo-IgA血清阳性率为22(7.33%)。考虑测定的弓形虫IgA对各种弓形虫抗原的反应性;弓形虫ROP1C、MIC3、GRA7、GRA8、p30、MAG1、GRA1和rSAG1抗原的阳性率分别为12(54.54%)、13(59.09%)、11(50.00%)和18(81.81%)。关于总血清IL-4水平,Toxo-IgA血清阳性者的血清IL-4降低率最高为59.09%。在本研究中,我们得出结论,在GRA7和GRA1抗原的Toxo-Ig A血清阳性中,血清IL-4下降率最高为54.55%,在所有弓形虫抗原血清阳性组中,血清IL-4水平的升高率为5.88%至9.09%。
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引用次数: 0
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