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1不透X线标记物法在评价结肠传输功能中的作用显示文摘背景:功能性便秘(FC)常以结肠运动功能障碍为主要表现,结肠传输时间(CTT)是反映结肠运动功能的重要指标。目的:探讨不透X线标记物法在评价结肠传输功能以及诊断FC中的作用。方法:采用不透X线标记物法测定32名健康对照者的全结肠传输时间(TCCT)、右半结肠传输时间(RCTT)、左半结肠传输时间(LCTT)和直肠乙状结肠传输时间(RSCTT),同时检测26例FC患者和32名健康对照者不同时间点钡条排出率。结果:健康对照者TCTT、RCTT、LCTT和RSCTT分别为(20.31±11.00)h、(4.43±4.58)h、(8.44±4.01)h和(7.48±7.89)h,男女之间相比差异无统计学意义(P>0.05)。FC组不同时间点钡条排出率均显著低于健康对照组(P<0.01)。以72 h标记物残留率>20%为标准,26例FC患者中有19例可判断为结肠传输减慢。结论:不透X线标记物法简单易行、易于广泛开展,可准确有效地评价结肠传输功能,并在FC病因诊断中起有重要作用。Yaser ALDUAIS 孔浩 谢小平 杜凡 刘诗 侯晓华 2011胃肠病学2011,16,6:12
2IL28B polymorphism and cytomegalovirus predict response to treatment in Egyptian HCV type 4 patients显示文摘AIM:To test whether the status of positive cytomegalovirus(CMV) DNA detection adds to the predictive value of IL28B and to further categorize C/T allele carriers.METHODS:This study included 166 chronic hepatitis C(CHC) patients who received combined interferon and ribavirin therapy for 48 wk,84 spontaneous hepatitis C virus(HCV) resolvers who were positive for IgG anti-HCV antibody and negative for HCV RNA,and 100 healthy subjects who were negative for both HCV antibodies and RNA as controls.Genomic DNA from peripheral blood was used for IL28B rs.12979860 single nucleotide polymorphism(SNP) and CMV DNA detection.A 139 bp fragment containing IL28B SNP was amplified in all subjects by polymerase chain reaction using a specifically designed primer.Then the IL28B rs.12979860 SNP was detected by restriction fragment length polymorphism(RFLP) genotyping.The presence of CMV DNA was tested by amplification of the gB1 gene using nested polymerase chain reaction.The role of CMV and IL28B rs.12979860 SNP genotypes in determining the response rate to combined interferon therapy and clinical status of patients were statistically analyzed.RESULTS:Current data showed that 67% of patients carrying the IL28B 12979860 C/C allele had a sustained viral response(SVR) while the genotypes C/T and TT were associated with lower SVR rates,50% and 48%,respectively.SVR rates for the C/C allele were lower than other HCV genotypes and/or other populations.Genotype CC was associated with the response to interferon(P = 0.025).Genotype C/C was reduced from 48% in controls to 14% in CHC patients suggesting its protective role against progression to chronicity.The majority of spontaneously cleared subjects(86%) were C/C,confirming its protective role.The C/T allele was present in 71% of CHC patients compared with 38% of controls,so the use of IL28B SNP genotyping only in these patients may be of little value as a predictor of response.CMV reactivation occurred in 40% of CHC patients.Co-infection with CMV seriously diminished the response to interferon(IFN) therapy,with SVR rates in C/C genotypes 87.5% in CMV-negative patients and 12.5% in CMV-positive patients(P < 0.0001).SVR rates among C/T carriers were reduced to < 50% in patients with positive CMV DNA while the non-response rate doubled.These data indicate that a supplemental assay for CMV viremia adds to the prognostic value of IL28B genotyping.CONCLUSION:The results suggest that both genetic(i.e.,spontaneous) and therapeutic(IFN-based therapy) arms are complementary in the battle against HCV.CMV DNA testing may be of value to better predict the response to IFN,particularly in IL28B C/T carriers.Mostafa K El Awady Noha G Bader El Din Ashraf Tabll Yaser El Hosary Ashraf O Abdel Aziz Hesham El Khayat Mohsen Salama Tawfeek H Abdelhafez 2013World Journal of Gastroenterology2013,19,2:8
3Fatal motorcycle accidents in Fars Province, Iran: a com- munity-based survey显示文摘ObjectiveTo 在 Fars 省识别摩托车事故的牺牲品的主要特征, Iran.MethodsThis 代表性的学习在从 2009 年 3 月在伊朗有所有 31 个省的第四张最大的人口到 2010 年 6 月的 Fars 省被进行。我们从所有 542 的 includeddata 由于机动车辆事故记录了死亡的盒子。数据从由人口统计、事故相关的信息组成的法庭的药登记被记录。人口统计的信息由名字,年龄,性别,致命的牺牲品(摩托车驱动程序对旅客) 的地位和 2 345 尸体从法庭的药档案记录的教育 level.ResultsOf 组成了,(23.1%) 542 作为机动车辆事故给了死亡的原因。这些牺牲品的吝啬的年龄是(31.4 ±16.5 ) 年,和男性到女比率是 28。头损害是在这些牺牲品的死亡的最普通的原因,并且总的来说,他们趋于有教育的底层。摩托车事故经常包含了更年轻的年龄组(15-35 年) ,并且与一顶头盔的弃权联系的头损伤是 death.ConclusionsHead 损害的最普通的原因在在我们学习了的省的牺牲品之中是经常的。这种状况可能与 victims’ 有关关于交通法律与他们的弱实施一起导致加速和这些法律的不顾的低社会经济的地位和很少教育。Seyed Taghi Heydari Najmeh Maharlouei Aft Foroutan Yaser Sarikhani Fariborz Ghaffarpasand Arya Hedjazi Mohammad Zarenezhad Ghasem Moafian Mohammad Reza Aghabeigi Payam Peymani Seyed Mehdi Ahmadi Maryam Dehghankhalili Hassan Joulaei Kamran B. Lankarani 2012Chinese Journal of Traumatology2012,15,4:6
4Ocular trauma treated with pars plana vitrectomy: early outcome report显示文摘AIM: To evaluate demographic variables and visual outcomes, among patients with ocular injuries involving the posterior segment, managed with pars plana vitrectomy.· METHODS: The records of patients were studied retrospectively from March to September 2010, to determine the age, gender, place of occurrence of trauma, visual acuity, anatomical site, nature of injury,wound length, the presence of an afferent pupillary defect, and the timing of vitrectomy. The Ocular Trauma Score was measured. The minimum follow-up from presentation was 6mo.·RESULTS: Ninety patients(77 males, 13 females), with a mean age of 32.7 ±15.8y were included over the 6-month period. The majority of cases occurred in the workplace(47 patients), followed by home(14 patients).The mean visual acuity(log MAR) of patients significantly improved from 2.36 ±0.72 preoperatively to 1.50 ±1.14 postoperatively. Twenty-three patients had preoperative vision better than 2.0 log MAR, the postoperative visual acuity was significantly better among these patients than patients with worse than 2.0 log MAR(P <0.001). Visual improvement between groups with early vitrectomy(<7d)and delayed vitrectomy(>7d) was not significantly different(P =0.66). Postoperative visual acuity was not significantly different between patients with injury in Zone I and II(P =0.64), but patients with injury in Zone III had significantly poorer visual acuity(P =0.02). Patients with relative afferent pupillary defect had significantly poorer postoperative visual acuity(P =0.02). Preoperative visual acuity, the difference of preoperative and postoperative visual acuity, and postoperative visualacuity were significantly different between groups with different ocular trauma scores(P <0.001).·CONCLUSION: Trauma is more likely to occur in men under 40 y of age and in the workplace. The favorable final visual outcome is associated with the absence of afferent pupillary defect, ocular trauma score and presenting visual acuity as well as the zone of injury, and not associated with the timing of vitrectomy.Mohammad Reza Mansouri Seyed Ali Tabatabaei Mohammad Soleimani Mohammad Yaser Kiarudi Saber Molaei Mehdi Rouzbahani Meysam Mireshghi Mohsen Zaeferani Mehrbod Ghasempour 2016International Journal of Ophthalmology(English edition)2016,9,5:5
5Epidemiological characteristics of fatal pedestrian ac- cidents in Fars Province of Iran: a community-based survey显示文摘ObjectiveTo 决定在 Iran.MethodsThis 代表性的学习的 Fars 省的致命的步行事故的流行病学的特征从 2009 年 3 月在一个 29 月的时期期间在伊朗的 Fars 省被进行到 2011 年 7 月。数据从 Fars 法庭的药登记。在 4 923 记录道路交通事故死亡, 971 死亡由于步行事故。人口统计、事故相关的信息被社会科学统计套装软体版本 11.5 分析。不到 0.05 被认为死者的 significant.ResultsThe 平均数年龄的 P 价值是(47.2 ±26.2 ) 年,从 6 个月到 103 岁。男性们说明了 69.8% 所有死亡。致命的事故在 9 月是很普通的;56.1% 致命的损害发生在 intracity 道路上并且 33.1% 在 extracity 道路上。致命的头损害在 60.54% 盒子中是在场的。损害地点的评估和死亡的原因发现他们显著地与年龄被联系,在损害和死亡之间的间隔。而且,道路的类型在 mortality.ConclusionAlthough 起了一个重要作用损伤病人的临床的管理在最近的十年在我们的国家被改进了,减少损害的负担在损伤系统组织之中需要协作。Payam Peymani Seyed Taghi Heydari Amin Hoseinzadeh Yaser Safikhani Arya Hedjazi Mohammad Zarenezhad Ghasem Moafian Mohammad Reza Aghabeigi Najmeh Maharlouei All Foroutan Seyed Mehdi Ahmadi FariborzGhaffarpasand Hassan Joulaei Kamran B Lankarani 2012Chinese Journal of Traumatology2012,15,5:5
6The Modified Simple Equation Method and the Multiple Exp-function Method for Solving Nonlinear Fractional Sharma-Tasso-Olver Equation显示文摘In this article,the fractional derivatives in the sense of the modified Riemann-Liouville derivatives together with the modified simple equation method and the multiple exp-function method are employed for constructing the exact solutions and the solitary wave solutions for the nonlinear time fractional Sharma-TassoOlver equation.With help of Maple,we can get exact explicit 1-wave,2-wave and 3-wave solutions,which include 1-soliton,2-soliton and 3-soliton type solutions if we use the multiple exp-function method while we can get only exact explicit 1-wave solution including 1-soliton type solution if we use the modified simple equation method.Two cases with specific values of the involved parameters are plotted for each 2-wave and 3-wave solutions.Elsayed M.E.ZAYED Yaser A.AMER Abdul-Ghani AL-NOWEHY 2016Acta Mathematicae Applicatae Sinica2016,32,4:4
7Synergists action of piperonyl butoxide and S,S,S-tributyl phosphorotrithioate on toxicity of carbamate insecticides against Blattella germanica显示文摘Objective: To determine the synergists action of piperonyl butoxide(PBO) and S,S,Stributyl phosphorotrithioate(DEF) on toxicity of carbamate insecticides against Blattella germanica in Tehran city.Methods: In the current study, German cockroach strains were collected from several hospitals and dormitories in Tehran.At the beginning, different concentrations of bendiocarb and carbaryl(insecticides belong to carbamate group) were determined by surface contact on a susceptible strain.Then, the level of susceptibility and type of resistance mechanisms in the collected strains from contaminated sites to the aforementioned insecticides were studied by using PBO and DEF synergists with different insecticide ratios to synergist(1:0, 1:1, 1:2, 1:3).Results: The DEF synergist along with bendiocarb and carbaryl completely eliminated the resistance in all strains but PBO did not completely eliminate the resistance in the strains of Mofid, Alvand, Valiasr hospitals and Shariati dormitory.Generally, the impact of DEF was observed in the removing resistance more than PBO.Conclusions: In most of these strains, resistance to bendiocarb and carbaryl is completely eliminated by DEF, showing a very high role of estraze enzymes in resistance to bendiocarb and carbaryl.But in most strains PBO does not remove the resistance because other mechanisms, such as reduced cuticle penetration and insensitivity to the acetylcholine esterase enzyme, may be involved.Alireza Sanei Dehkordi Yaser Salim Abadi Hasan Nasirian Teymour Hazratian Mohammad Amin Gorouhi Saideh Yousefi Azim Paksa 2017Asian Pacific Journal of Tropical Medicine2017,10,10:3
8Numerical investigation of flow pattern and components of three-dimensional velocity around a submerged T-shaped spur dike in a 90° bend显示文摘Spur dike is one of the river training structures. This work presented a numerical simulation of flow field and three-dimensional velocity around a T-shaped spur dike located in bend using SSIIM model. The main objective of this work is to investigate the three-dimensional velocities and streamlines at transverse and longitudinal sections and plan views around the T-shaped spur dike in different submergence ratios(0, 5%, 15%, 25% and 50%). It is concluded that by increasing the submergence ratio from 5% to 50%, the maximum of scour is reduced; the maximum of longitudinal velocity increases by 7.7% and occurs at the water surface in spur dike axis. Near the bed, the maximum of vertical velocity occurs at the end of spur wing. By analyzing the streamlines at transverse sections, the followings were deduced for different submergence ratios: different dimensions and different positions of vortices around the spur dike.Mohammad Vaghefi Yaser Safarpoor Maryam Akbari 2016Journal of Central South University2016,23,11:2
9Potential of biochar and organic amendments for reclamation of coastal acidic-salt affected soil显示文摘Salinity and acidity have affected several hundred million hectares of land throughout the globe which poses a major threat to global food security and biodiversity.Application of organic amendments for salt-affected soils has been identified as one of the most effective ways to mitigate salinity-induced problems and considered as a green technique offering twin benefits of waste load reduction and land reclamation.However,studies on reclaiming acidic-salt affected soils are limited.Therefore,this study aimed to determine the reclamation potential of biochars and organic amendments involving Gliricidia sepium biochar produced at 300℃,500℃,and 700℃,green waste compost,and municipal sewage sludge at three different amend-ment ratios,1.0%,2.5%and 5.0%.The incubation experiment was conducted for a 4-month period with different amendment ratios applied to the coastal acidic-salt affected soil.Subsamples were extracted from incubation pots after 1 and 4 months and analyzed for soil chemical parameters(pH,EC,NO_(3)^(−),PO_(4)^(3−,total organic carbon,cation exchange capacity,sodium adsorption ratio,exchangeable sodium percentage)and microbial enzyme activity(catalase activity,and acid-and alkaline phosphatase activity).All organic amendments demonstrated enhancement of the soil properties in a significant manner.However,increasing incubation time and amendment ratio increase the changes of soil parameters by a great percentage.Therefore,the maximum amendment ratio of 5.0%and 4 months of incubation period rendered a significant improvement in the reclamation of acidic-salt affected soil.However,the biochar produced at 500℃ contributed the maximum towards the improved physicochemical and biochemical profile of acidic-salt affected soil,making it the most promising organic amend-ment for the reclamation of acidic-salt affected soil.The overall reclamation efficiency of organic amendments registered the following order of variation:700 BCViraj Gunarathne Athula Senadeera Udaya Gunarathne Jayanta Kumar Biswas Yaser A.Almaroai Meththika Vithanage 2020Biochar2020,2,1:2
10An epidemiologic survey of road traffic accidents in Iran: analysis of driver-related factors显示文摘ObjectiveRoad 交通事故(RTA ) 和它的相关损害在伊朗贡献疾病的负担的重要部分。这份报纸在 countryMethodsThis 探索在司机相关的因素和 RTA 之间的协会代表性的学习从 2010 年 3 月 20 日关于 RTA 在伊朗和所有数据被进行到 2010 年 6 月 10 日从交通警察部门被获得。我们包括了 538 588 RTA 记录,它被分类为主要 confounders 控制:事故类型,事故的最后的原因,事故的时间和司机相关的因素。司机相关的因素包括了性,教育水平,许可证类型,损害的类型,在事故之间的持续时间并且得到驾驶执照和 538 588 位司机的 driver’s 错误 type.ResultsA 总数(91.83% 男性,几乎 13:1 的性比率) 涉及 RTA。在他们之中 423 (78.71%) 932 是未受损伤的;224 (41.74%) 818 有证书度。等级 2 驾驶执照代表了所有驾驶执照的最高的比例(290 811, 54.00%) 。事故的最大的数字发生在 12:00-13:59 (75 024, 13.93%) 。涉及 RTA 的司机的比例在在 10   以后得到一个驾驶执照到 3.13% 的第一年里从 15.90% 减少了; years’驾驶经验。规定的疏忽是交通碰撞的最普通的原因(345 589, 64.17%) 。到前面的优先级和疏忽的违反是死亡的最经常的最后的原因(138 175, 25.66% 和 129 352, 24.02% ,分别地) 。我们发现了在事故和性的类型之间的重要协会,教育,许可证类型,事故的时间,事故的最后的原因,在事故之间的 driver’s 错误以及持续时间并且得到驾驶执照(所有 P  ;<   ; 0.001 ) .ConclusionOur 结果将改进交通法律实施措施,它将改变司机的不恰当的行为并且保护最不富有经验的道路用户。Ghasem Moafian Mohammad Reza Aghabeigi Seyed Taghi Heydari Amin Hoseinzadeh Kamran Bagheri Lankarani Yaser Sarikhani 2013Chinese Journal of Traumatology2013,16,3:2
11Classification of Percutaneous Nephrolithotomy Complications Using the Modified Clavien Grading System: Looking for a Standard显示文摘Ahmet Tefekli Mert Ali Karadag Kadir Tepeler Erhan Sari Yalcin Berberoglu Murat Baykal Omer Sarilar Ahmet Yaser Muslumanoglu 2007European Urology2007,,1:2
12Simplifi ed dynamic analysis to evaluate liquefaction-inducedlateral deformation of earth slopes: a computational fluid dynamics approach显示文摘Lateral deformation of liquefiable soil is a cause of much damage during earthquakes, reportedly more than other forms of liquefaction-induced ground failures. Researchers have presented studies in which the liquefied soil is considered as viscous fluid. In this manner, the liquefi ed soil behaves as non-Newtonian fl uid, whose viscosity decreases as the shear strain rate increases. The current study incorporates computational fl uid dynamics to propose a simplified dynamic analysis for the liquefaction-induced lateral deformation of earth slopes. The numerical procedure involves a quasi-linear elastic model for small to moderate strains and a Bingham fluid model for large strain states during liquefaction. An iterative procedure is considered to estimate the strain-compatible shear stiffness of soil. The post-liquefaction residual strength of soil is considered as the initial Bingham viscosity. Performance of the numerical procedure is examined by using the results of centrifuge model and shaking table tests together with some field observations of lateral ground deformation. The results demonstrate that the proposed procedure predicts the time history of lateral ground deformation with a reasonable degree of precision.Yaser Jafarian Ali Ghorbani Omid Ahmadi 2014Earthquake Engineering and Engineering Vibration2014,13,3:2
13miR-362-5p在胃癌中的表达及对胃癌细胞增殖和迁移的影响显示文摘目的探讨miR-362-5p在胃癌组织、胃癌细胞系中的差异表达情况以及miR-362-5p组织差异表达与临床病理参数的相关性,并分析其对胃癌细胞增殖及迁移的影响。方法TRIzol法提取胃癌组织、癌旁组织及胃癌细胞SGC7901、AGS和胃黏膜上皮细胞GES-1的RNA后,采用茎环逆转录实时荧光定量PCR(RT-PCR)方法,分别检测miR-362-5p在癌组织、癌旁组织及胃癌细胞和胃黏膜细胞的表达水平;通过重组慢病毒转染法构建稳定过表达、敲低miR-362-5p的细胞系,采用MTT法、迁移实验分别检测细胞的增殖、迁移能力。结果 miR-362-5p在胃癌组织的表达明显高于其相应的癌旁组织(P <0. 05); miR-362-5p在胃癌细胞系SGC7901、AGS的表达量均高于胃黏膜细胞GES-1 (P <0. 05)。miR-362-5p在TNM分期较晚、分化程度较低、有淋巴结转移的肿瘤中的表达量要高于TNM分期较早、分化程度较高、无淋巴结转移的肿瘤。在胃癌细胞SGC7901、AGS2018-07-16接收中敲低miR-362-5p表达后,细胞的增殖、迁移能力显著下降;在胃黏膜细胞GES-1中上调miR-362-5p表达后,细胞的增殖、迁移能力明显增强。结论 miR-362-5p可能在胃癌发生、发展中发挥着促癌作用。魏小丽 Ahmed Yaser 赵奇红 王华 顾康生 2018安徽医科大学学报2018,53,12:2
14Covalently anchored sulfonic acid on silica gel(SiO_2-R-SO_3H)as an efficient and reusable heterogeneous catalyst for the one-pot synthesis of 1,8-dioxooctahydroxanthenes under solvent-free conditions显示文摘A highly efficient one-pot synthesis of 1,8-dioxooctahydroxanthenes under solvent-free conditions catalyzed by sulfonic acid covalently anchored onto the surface of silica gel is reported.All types of aldehydes,including aromatic,unsaturated,and heterocyclic,are used.The silica gel/sulfonic acid catalyst(SiO_2-R-SO_3H)is completely heterogeneous and can be recycled.Gholam Hossein Mahdavinia Mohammad A.Bigdeli Yaser Saeidi Hayeniaz 2009Chinese Chemical Letters2009,20,5:2
15Experimental investigation of changes in petrophysical properties and structural deformation of carbonate reservoirs显示文摘To examine the effect of pressure on pore structure and petrophysical properties of carbonate rock, the porosity, permeability, CT scanning, SEM and elastic wave velocity of two carbonate core plug samples from an oilfield in Southwest Iran were analyzed under cyclic pressure. One of the plugs was calcite and the other was dolomite with anhydrite nodules. The cyclic pressure exerted on the samples increased from 13.79 MPa to 27.58 MPa in six steps, and the variations in petrophysical properties of the two samples at different pressure loading and unloading steps were counted and analyzed. The results show that the calcite sample decreases in porosity and permeability with the increase of pressure, which is consistent with the results from compression and shear wave velocity tests. In the dolomite sample, the decreasing trend was not observed;fluctuations of compressive and shear velocities were observed during the loading stage, which may be due to different geometries of the pores and the porosity variation in the sample. Understanding the variation of carbonate petrophysical properties with pressure is helpful for optimizing reservoir development scheme.SALIMIDELSHAD Yaser MORADZADEH Ali KAZEMZADEH Ezatallah POURAFSHARY Peyman MAJDI Abbas 2019Petroleum Exploration and Development2019,46,3:2
16A fuzzy-based system for incident detection in urban street networks 显示文摘YASER E H 2007Transportation Research Part C:Emerging Technologies2007,15,2:1
17Crimean—Congo hemorrhagic fever:a molecular survey on hard ticks(Ixodidae) in Yazd province,Iran显示文摘Objective:To determine the rate of Crimean-Congo hemorrhagic fever virus(CCHFV) infection in hard ticks(Ixodidae) in Yazd province of Iran.Methods:A molecular survey on hard ticks (Ixodidae) was conducted in Yazd province during 2008 -2009.A total of 140 hard ticks(three genera and 7 species) were collected from randomly selected villages and were exanimate for presence of CCHFV reverse transcription-polymerase chain reaction(RT-PCR) method.Results: CCHFV genome was found in 5.71%of hard ticks.All positive ticks were from Hyalomma genus. Positive ticks including:Hyalomma dromedarii,Hyalomma marginatum,Hyalomma anatolicum, Hyalomma detritum,Hyalomma asiaticum.We were not able to find virus in in Rhipicephalus sanguineus and Dermacentor marginatus.Results exhibited that Hyalomma is the main vector in the study area.Conclusions:Due to the presence of virus in 24 provinces’ out of 31,we recommend the use of acaricides and repellent to prevent disease transmission among humans. Greta care should be taken by the people who are working in slaughter houses.Salim Abadi Yaser Chinikar Sadegh Telmadarraiy Zakkyeh Vatandoost Hassan Moradi Maryam Oshaghi Mohammad Ali Ghiasi Seyed Mojtaba 2011Asian Pacific Journal of Tropical Medicine2011,4,1:1
18Domain ontologies for data sharingan example from environmental monitoring using field GIS显示文摘Hardy Pundt Yaser Bishr 2002Computers and Geosciences2002,28,:1
19A study of the sintering of diatomaceous earth to produce porous ceramic monoliths with bimodal porosity and high strength 显示文摘FARID Akhtar YASER Rehman LENNART Bergstrom 2010Powder Teehnol2010,201,:1
20Post-punching behavior of flat slabs显示文摘Miguel F R Yaser M Aurelio M 2013ACI Structural Journal2013,,80:1
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