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| 1 | 野生毛花猕猴桃种质资源主要数量性状变异分析及评价指标探讨显示文摘【目的】更好地对江西省境内野生毛花猕猴桃(Actinidia eriantha Benth.)资源进行评价。【方法】对野生毛花猕猴桃118份资源果实的主要数量性状进行统计分析和分级。果实的主要数量性状包括单果质量、果形指数、干物质含量、维生素C、可溶性固形物(SSC)、可溶性糖及可滴定酸7项指标,根据K-S正态性检验及频率分布对数量性状进行分级。【结果】单果质量变异系数最大,为33.65%;可溶性固形物最小,为11.91%。经K-S正态性检验,大部分性状呈偏正态分布;根据分析结果,提出5级数量性状分级标准,每个等级提出2份不同区域种质作为参照。【结论】该研究可为我国毛花猕猴桃资源描述的规范化、标准化提供参考。 | 郎彬彬 朱博 谢敏 张文标 Umut Ahmet Seyrek 黄春辉 徐小彪 | 2016 | 果树学报2016,33,1: | 23 |
| 2 | Clinical outcomes of 25-gauge vitrectomy surgery for vitreoretinal diseases: comparison of vitrectomy alone and phaco-vitrectomy显示文摘AIM: To compare the clinical outcomes of combined25-gauge pars plana vitrectomy(PPV) and phacoemulsification/posterior chamber intraocular lens(PC-IOL) implantation with vitrectomy alone surgery in patients with various vitreoretinal diseases.METHODS: A total of 306 eyes(145 with PPV alone and 161 with phaco-vitrectomy) were enrolled in this retrospective analysis. The surgical approach was 25-gauge PPV combined with phacoemulsification and PC-IOL implantation at the same time in eyes in phaco-vitrectomy group and only PPV in eyes in vitrectomy alone surgery group. The main outcome measures were postoperative clinical outcomes included anterior chamber inflammation, changes in intraocular pressure(IOP) and best corrected visual acuity(BCVA).RESULTS: The most common postoperative complication was anterior chamber reaction which has higher incidence in phaco-vitrectomy group(P <0.001).The mean postoperative 1^(st) day IOP of vitrectomy alone group was significantly lower than that of phaco-vitrectomy group(16.3 ±5.8 mm Hg vs 17.8 ±8.1 mm Hg,respectively, P =0.02). Hypotony(IOP(8 mm Hg) was not different between groups in the postoperative 1^(st) day(P >0.05). The mean preoperative visual acuity was not different between groups(1.6±0.9 log MAR vs 1.8±0.9 log MAR,respectively, P >0.05). However, the mean visual acuity was decreased in vitrectomy alone group at the final visit compared to phaco-vitrectomy group(1.2 ±0.8 log MAR,0.9±0.7 log MAR, respectively P <0.05).CONCLUSION: Twenty-five gauge PPV combined with phacoemulsification surgery is a safe and efficient procedure, which can be preferred in phacic patients with a variety of vitreoretinal diseases compared to vitrectomy alone. Despite improved outcomes, this approach is not free of limitations as anterior chamber complications especially with combined surgery. | Mucella Arikan Yorgun Yasin Toklu Melek Mutlu Umut Ozen | 2016 | International Journal of Ophthalmology(English edition)2016,9,8: | 10 |
| 3 | Grain boundary engineering with nano-scale InSb producing high performance In_(x)Ce_(y)Co_(4)Sb_(12+z)skutterudite thermoelectrics显示文摘Thermoelectric semiconductors based on CoSb_(3)hold the best promise for recovering industrial or automotive waste heat because of their high efficiency and relatively abundant,lead-free constituent elements.However,higher efficiency is needed before thermoelectrics reach economic viability for widespread use.In this study,n-type In_(x)Ce_(y)Co_(4)Sb_(12+z)skutterudites with high thermoelectric performance are produced by combining several phonon scattering mechanisms in a panoscopic synthesis.Using melt spinning followed by spark plasma sintering(MS-SPS),bulk In_(x)Ce_(y)Co_(4)Sb_(12+z)alloys are formed with grain boundaries decorated with nano-phase of InSb.The skutterudite matrix has grains on a scale of 100-200 nm and the InSb nano-phase with a typical size of 5e15 nm is evenly dispersed at the grain boundaries of the skutterudite matrix.Coupled with the presence of defects on the Sb sublattice,this multi-scale nanometer structure is exceptionally effective in scattering phonons and,therefore,InxCey-Co_(4)Sb_(12)/InSb nano-composites have very low lattice thermal conductivity and high zT values reaching in excess of 1.5 at 800 K. | Han Li Xianli Su Xinfeng Tang Qingjie Zhang Ctirad Uher G.Jeffrey Snyder Umut Aydemir | 2017 | Journal of Materiomics2017,3,4: | 7 |
| 4 | Vitality variation and population structure of a riparian forest in the lower reaches of the Tarim River,NW China显示文摘Since 2000, the Chinese government has implemented emergency water diversion measures to restore the damaged riparian forest ecosystem with dominant tree species Euphrat poplar(Populus euphratica Oliv.)at the lower reaches of the Tarim River. In the present study, comparative analysis of variations in the vitality of P. euphratica trees were made using 2005 and 2010 data to illustrate the revitalization process of riparian forest. Poplar trees within 300 m of the riverbed were positively revitalized, while the vitality of trees farther than 300 m from the river decreased. Population structure was studied to demonstrate the development of poplar community. In the first belt, the class structure for the diameter at breast height(DBH) of P. euphratica fit a logistic model, and the 2nd, 3rd and 4th belt curve fittings were close to a Gaussian model; in other plots they were bimodal. Cluster analysis of the composition of the DBH class of poplar trees demonstrated that those within 16–36 cm DBH were the most abundant(58.49% of total) in study area, under 16 cm of DBH were second(31.36%), and trees >40 cm DBH were the least abundant(10.15%). More than 80% of the trees were young and medium-sized, which means that the poplar forest community in the vicinity of the lower Tarim River is at a stable developmental stage. The abundance of juvenile trees of P. euphratica in the first and second measuring belts was 12.13% in 2005 and increased to 25.52% in 2010, which means that the emergency water transfer had a positive impact on the generation of young P. euphratica trees in the vicinity of the river. | Maierdang Keyimu Umut Halik Florian Betz Choimaa Dulamsuren | 2018 | Journal of Forestry Research2018,29,3: | 7 |
| 5 | Autonomic Disturbances in Acute Cerebrovascular Disease显示文摘Autonomic disturbances often occur in patients with acute cerebrovascular disease due to damage of the central autonomic network. We summarize the structures of the central autonomic network and the clinical tests used to evaluate the functions of the autonomic nervous system.We review the clinical and experimental findings as well as management strategies of post-stroke autonomic disturbances including electrocardiographic changes, cardiac arrhythmias, myocardial damage, thermoregulatory dysfunction, gastrointestinal dysfunction, urinary incontinence, sexual disorders, and hyperglycemia. The occurrence of autonomic disturbances has been associated with poor outcomes in stroke patients. Autonomic nervous system modulation appears to be an emerging therapeutic strategy for stroke management in addition to treatments for sensorimotor dysfunction. | Jun Mo Lei Huang Jianhua Peng Umut Ocak Jianmin Zhang John H.Zhang | 2019 | Neuroscience Bulletin2019,35,1: | 6 |
| 6 | Coexistence of acute myocardial infarction with normal coronary arteries and migraine with aura in a female patient显示文摘Acute myocardial infarction with normal coronary arteries is a well known condition,which is typically diagnosed in young patients.Coronary vasospasm,inherited,acquired or malignancy-induced hypercoagulable state,collagen vascular disease and coronary arterial embolism have been considered as underlying etiologic factors.An association between migraine with aura and increased risk of ischemic stroke,angina and myocardial infarction has been demonstrated in studies.Patients with migraine and especially with aura should be followed closely against cardiovascular events even if they are young and do not have traditional risk factors. | Umut Celikyurt Goksel Kahraman Ender Emre | 2011 | World Journal of Cardiology2011,3,7: | 6 |
| 7 | Comparison of visual and topographic outcomes of deep-anterior lamellar keratoplasty and penetrating keratoplasty in keratoconus显示文摘AIM:To compare visual,surgical and topographic outcomes of deep anterior lamellar keratoplasty(DALK)and penetrating keratoplasty(PK)for keratoconus(KC).METHODS:In this multicenter,prospective,randomized clinical trial 76 eyes of 71 KC patients operated between January 2011 and July 2014 in 2 tertiary referral hospitals were included. Consecutive patients were alternately selected to receive one of the two surgical methods. Thirty eight eyes underwent DALK with the big-bubble technique and 38 eyes underwent PK.RESULTS:Mean best spectacle corrected visual acuity(BSCVA)at the first postoperative week(P=0.012)and the first postoperative month(P<0.001)was statistically significantly higher in DALK group. The mean BSCVA at12 mo was not significantly different for DALK(0.30±1.99 log MAR)versus PK(0.40±0.33 log MAR)(P=0.104). The76.3% of the eyes had a BSCVA over 0.5 in DALK and 47.4%in PK group(P=0.009). The 7.9% of the eyes had a BSCVA of 1.0 in DALK and 5.3% in PK group(P=0.644). Mean spherical equivalent was-2.94 D in DALK and-3.09 D in PK group.Mean topographic astigmatism was 4.62 D and 4.18 D respectively. Regular topographic patterns were observed in 31(81.6%)of DALK and 29(76.3%)of PK(P=0.574). The most frequent topographic pattern was oblate asymmetric bow tie,seen in 39.5% in DALK and 23.7% in PK. CONCLUSION:Big bubble DALK provides an earlier visual improvement compare to PK. However,visual and topographic outcomes are similar to those in PK at 1y. Postoperative complications including rejection and intraocular pressure elevation are more frequent in PK. DALK is a safer alternative to PK for KC. However,intraoperativeperforation of the Descemet's membrane is a significant complication. | Bora Yüksel Baran Kandemir Umut Duygu Uzunel Ozan Celik Sezgin Ceylan Tuncay Küsbeci | 2017 | International Journal of Ophthalmology(English edition)2017,10,3: | 5 |
| 8 | On the feasibility of re-stimulation of shale wells显示文摘As a result of advances in horizontal completions and multi-stage hydraulic fracturing, the U.S. has been able to economically develop several decades of worth of natural gas. However, a considerable concern has risen on the economic viability of shale gas development for reasons associated with the fast production declines as well as recent down-turns of natural gas prices besides rises in the costs of new technologies. Therefore, an economic analysis is required to investigate the profitability of the refracturing treatment of unconventional gas resources. Net present value of cash flows and internal rate of return are calculated for a range of gas prices considering 20 years of natural gas production from a typical unconventional shale gas reservoir. A systematic comparison is then accomplished for three scenarios:(1) re-fracturing versus no refracturing,(2) combination of re-fracturing and drilling new wells, and(3) time-dependent re-fracturing treatment.Further, this paper incorporates the cost of re-fracturing treatment, the cost of drilling a new horizontal well, the water treatment cost, as well as the current and future price of natural gas in the model. The findings of this work would help the future re-stimulation development plans of the emerging unconventional shale gas plays. | Mohammad O.Eshkalak Umut Aybar Kamy Sepehrnoori | 2015 | Petroleum Science2015,12,3: | 4 |
| 9 | In vitro and in vivo application of RNA interference for targeting genes involved in peritrophic matrix synthesis in a lepidopteran system显示文摘大多数昆虫的 midgut 与一个半渗透的非细胞组成的试管被衬里, peritrophic 矩阵(下午) ,几丁质和蛋白质镇静。尽管各种各样的基因编码下午蛋白质被描绘了,我们他们在下午结构和功能的角色的理解是很有限的。为获得功能的信息的一条有希望的途径是 RNA 干扰,它被用来减少使用任何一个注射予幼虫以的双 stranded RNA 或喂的特定的 mRNAs 的层次。尽管这个方法很好在 dipterans 和甲虫类之昆虫被记录,它在 lepidopterans 的成功的报告被改变。在当前的学习,编码下午蛋白质的 silencing midgut 基因(昆虫肠的粘蛋白 1 ,昆虫肠的粘蛋白 4 ,下午蛋白质 1 )并且几丁质 biosynthetic 或修改的酶(几丁质 synthase-B 和几丁质 deacetylase 1 )在 noctuid 鳞翅类, Mamestra configurata ,在 vitro 并且在 vivo 被检验。在在主要 midgut 的 vitro 研究,上皮的房间准备揭示了尖锐、快速的 silencing (由 24 h ) 为编码几丁质 deacetylase 的基因 1 并且 silencing 的更慢的率(由 72 h ) 为编码下午蛋白质 1 的基因。肠的粘蛋白是的基因编码昆虫稍微由 72 h 的 silenced,而没有 silencing 为编码几丁质 synthase-B 的基因被检测。在 vivo,实验集中了于几丁质 deacetylase 1 基因是 silenced 到在 vitro 的最大的程度。与双 stranded RNA 的出生不满一月的婴儿和第四个中间形态幼虫的连续的喂导致了几丁质 deacetylase 的 silencing 1 由 24 和 36 h 分别地。喂单个剂量到出生不满一月的婴儿也由 24 h 导致了 silencing。当前的学习证明基因编码下午蛋白质能是为 RNA 干扰由的 silenced 和轮廓条件每在 lepidopterans 喂的 os。 | Umut Toprak Doug Baldwin Martin Erlandson Cedric Gillott Stephanie Harris Dwayne D. Hegedus | 2013 | Insect Science2013,20,1: | 4 |
| 10 | Identification of the Mamestra configurata (Lepidoptera Noctuidae) peritrophic matrix proteins and enzymes involved in peritrophic matrix chitin metabolism显示文摘peritrophic 矩阵(下午) 为昆虫是必要的它由食物粒子,病原体,和毒素保护 midgut 上皮免受损坏的伤害的消化系统生理学。下午也由于它的 per os 可接近性是为新害虫控制策略的开发的一个吸引人的目标。理解 PM 怎么执行这些函数, PM 的分子的体系结构用 genomic 被检验, proteomic 在 Mamestra configurata 来临(鳞翅目:Noctuidae ) ,饰有十字架的 oilseed 的一个主要害虫在北美洲收割。PM 的液体层析双人脚踏车团 spectrometry 分析识别了是分类的 82 蛋白质:(i) peritrophins,与一个 CBDIII 领域包括一个新班;(ii ) 酶在几丁质修正(几丁质 deacetylases ) 包含了,消化(丝氨酸朊酶, aminopeptidases, carboxypeptidases,脂肪分解酵素和 α-amylase ) 或另外的反应(β-1,3-glucanase,碱的磷酸酶, dsRNase,虾红素, pantetheinase ) ;(iii ) 没有已知的 orthologs,由 polycalin, REPAT, serpin, C 类型 lectin 和 Lsti99/Lsti201 和 3 新奇蛋白质组成的一个异质的组。编码下午蛋白质的基因在 midgut 主要被表示。cDNAs 编码几丁质 synthase-2 (McCHS-2 ) , chitinase (McCHI ) ,和 β-N-acetylglucosaminidase (McNAG ) 酶,在下午几丁质新陈代谢包含了,也被识别。McCHS-2 表示对显示它为在 PM,的几丁质合成负责的 midgut 特定在 midgut 的唯一的几丁质的材料。相反,编码 chitinolytic 酶的基因在多重纸巾被表示。McCHS-2, McCHI,和 McNAG 在喂幼虫的 midgut 被表示,并且唠叨活动在 PM 是在场的。这个信息被用来产生鳞翅类的下午建筑学的一个更新的模型。 | Umut Toprak Martin Erlandson Doug Baldwin Steve Karcz Lianglu Wan Cathy Coutu Cedric Gillott Dwayne D. Hegedus | 2016 | Insect Science2016,23,5: | 4 |
| 11 | Online computation of International Reference Ionosphere Extended to Plasmasphere(IRI-Plas) model for space weather显示文摘Ionosphere is the most challenging part of Space Weather with its spatio-temporal variability and dispersive nature. Ionospheric models are very important in reducing positioning error in GNSS system.International Reference Ionosphere(IRI) is an empirical, deterministic and climatic model of ionosphere up to 2000 km in height. Recently, IRI Extended to Plasmasphere(IRI-Plas) model has been developed to extend the interest region of IRI to the GPS orbital height of 20,000 km. Both IRI and IRI-Plas provide ionospheric parameters such as electron density, electron and ion temperatures according to their height profiles. In order to update the model to current ionospheric conditions, IRI-Plas can input F2 layer critical frequency(foF2), maximum ionization height(hmF2), and also Total Electron Content(TEC).Online IRI-Plas is developed for the ionospheric community to run multiple tasks at various locations,dates and times with optional foF2, hmF2 and TEC inputs in a user-friendly manner. In this paper, we are going to present the capabilities of the Online IRI-Plas service and provide some comparisons between IRI-Plas outputs and ionosonde measurements. The comparison between online IRI-Plas foF2 outputs and ionosonde foF2 measurements indicates that the model with TEC input can significantly improve the representation of the current ionospheric state, which is very successful especially in the geomagnetically disturbed days. | Umut Sezen T.L.Gulyaeva Feza Arikan | 2018 | Geodesy and Geodynamics2018,9,5: | 3 |
| 12 | Colorectal stenting for palliation and as a bridge to surgery:A 5-year follow-up study显示文摘AIM: To evaluate the long-term effectiveness of colonic stents in colorectal tumors causing large bowel obstruction.METHODS: We retrospectively analyzed data from 49 patients with colorectal cancer who had undergone colorectal stent placement between January 2008 and January 2013. Patients' symptoms,characteristics and clinicopathological data were obtained by reviewing medical records. The obstruction was diagnosed clinically and radiologically. Histopathological diagnosis was achieved endoscopically. Technical success rate(TSR)was defined as the ratio of patients with correctly placed SEMS upon stent deployment across the entire stricture length to total number of patients. Clinical success rate(CSR) was defined as the ratio of patients with technical success and successful maintenance of stent function before elective surgery(regardless of number of SEMS deployed) to total number of patients. The surgical success rate(SSR) of colorectal stent as a bridge to surgery was defined as the ratio of patients with successful surgical procedures. Unsuccessful surgical outcomes were defined as being due to insufficient colonic decompression. The technical,clinical,surgical success rates and complications after stenting were assessed.RESULTS: The median age of patients was 64(36 to 89). 44.9% of patients were male and 55.1% were female. Eighteen patients had the obstruction located in the rectum,15 patients in the rectosigmoid region,10 patients in the sigmoid region,and 6 patients had a tumor causing obstruction in the proximal colon. Each patient was categorized pathologically as stage 2(32.7%,16 patients) or stage 3(42.9%,21 patients) and 12 patients(24.4%) had metastatic disease. None of the patients received chemotherapy before stenting. Stenting was undertaken in 37 patients as a bridge to surgery,and in 12 patients stents were used for palliation. Median time to surgery after stenting was 30 ± 91.9 d. All surgery was completed in one single operation and thus no colostomy with stoma was needed. The median overall survival rate of patients with stage 2-3 colorectal cancer was 53.1 mo and stage 4 was 37.1 mo(P = 0.04). Metastatic colorectal patients who were treated palliatively with stents had backbone chemotherapy with oxaliplatin and/or irinotecan-based regimens plus antiangiogenic therapies,especially bevacizumab. Resolution of the obstruction and clinical improvement was achieved in all patients. The technical,clinical and surgical success rates were 95.9%,100% and 94.6%,respectively.CONCLUSION: The efficacy and safety of colonic stents was demonstrated both as a bridge to surgery and for palliative decompression. In addition,results emphasize the importance of the skills of the endoscopist in colonic stenting. | Baris Bayraktar Ibrahim Ali Ozemir Umut Kefeli Gokhan Demiral Julide Sagiro?lu Onur Bayraktar Gupse Adali Alp Ozcelik Osman Baran Tortum | 2015 | World Journal of Gastroenterology2015,21,31: | 3 |
| 13 | Radiation-induced epigenetic alterations after low and high LET irradiations显示文摘 | Umut Aypar William F. Morgan Janet E. Baulch | 2010 | Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis2010,,1: | 2 |
| 14 | Surgical Management of Substernal Goiters: Clinical Experience of 170 Cases显示文摘 | Yesim Erbil Alp Bozbora Umut Barbaros Selcuk ?zarma?an Adil Azezli Senay Molvalilar | 2004 | Surgery Today2004,,9: | 1 |
| 15 | Biometric cryptosystems: Issues and challenges 显示文摘 | Umut Uludag Sharath Pankanti SaIiI Prabhakar | 2004 | IEEE Special Issue on Enabling Security Technology for Digital Rights Management2004,92,6: | 1 |
| 16 | Characterization of Microstructural and Morphological Properties in As-deposited Ta/NiFe/IrMn/CoFe/Ta Multilayer System显示文摘Surface morphology and its relationship with microstructure in Ta/NiFe/IrMn/CoFe/Ta multilayer system deposited by pulsed DC magnetron sputtering have been investigated in dependence of Ta buffer and NiFe seed layer thicknesses using atomic force microscopy.The structural parameters such as grain size,dislocation density,texture and strain were calculated.For each surface,a self-affinity behavior with mean fractal dimensions in the range of 2.03-2.18 was found.Additionally,it was also observed that the surface of all samples has locally smooth textured surface structure in the short range.The texture aspect parameter and texture direction index have been obtained for isotropy/anisotropy surface texture.A significant relationship between the surface texture and the strength of the〈111〉texture in IrMn layer has been found.The analysis indicated that the surface roughness is strongly affected by the thicknesses of the NiFe seed and Ta buffer layers. | Ramis Mustafa ksoglu Umut Sarac Mustafa Yildirm Hakan inar | 2014 | Journal of Materials Science & Technology2014,30,4: | 1 |
| 17 | Retrospective evaluation of patient compliance in continuous oxygen therapy 显示文摘 | Demirel H Demir T Umut S | 2003 | Respira- tion2003,70,2: | 1 |
| 18 | Identifying the complex relationships among emotional labor and its correlates显示文摘 | Dogan Gursoy Yasin Boylu Umut Avci | 2010 | International Journal of Hospitality Management2010,,4: | 1 |
| 19 | Prognostic Significance of Perineural Invasion in Patients with Gastric Cancer Who Underwent Curative Resection显示文摘 | Ahmet Bilici MD Mesut Seker MD Bala Basak Oven Ustaalioglu MD Umut Kefeli MD Emre Yildirim MD Dilek Yavuzer MD Fatih Muhammed Aydin MD Taflan Salepci MD Mustafa Oncel MD FASCRS(Int) Mahmut Gumus MD | 2010 | Annals of Surgical Oncology2010,,8: | 1 |
| 20 | Jain: Fuzzy Vault for Fingerprints显示文摘 | Umut Uludag Sharath Pankanti Anil K | 2005 | AVBPA2005,,: | 1 |