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| 1 | A community-derived classification for extant lycophytes and ferns显示文摘发展史长通知了蕨类植物分类。当我们推断进化的树的能力改善了,针对认出生来的组的分类变得逐渐地预兆、稳定。这里,我们为 lycophytes 和蕨纲植物提供一个现代、全面分类,在下面,利用一条基于社区的途径类水平。我们 monophyly 用作主要标准让 taxa,而且目的识别保存两个广泛地被接受的存在 taxa 和界限并且与我们蕨类植物发展史的理解一致。总共,这个分类对待一在 337 个类, 51 个家庭, 14 目,和二个班估计了 11 916 种类。这个分类没在 lycophyte 和蕨纲植物上作为最后的词被打算分类,而是当前的假设的概括陈述,源于最好的可得到的数据并且在问题由熟悉植物的那些大多数塑造了。我们希望它将在蕨类植物上为最近的文学的那些想要的参考用作一个资源发展史和分类,为指导未来调查的一个框架,和推进讲话的刺激。 | Eric Schuettpelz Harald Schneider Alan R. Smith Peter Hovenkamp Jefferson Prado Germinal Rouhan Alexandre Salino Michael Sundue Thafs Elias Almeida Barbara Parris Emily B. Sessa Ashley R. Field Andre Luis de Gasper Carl J. Rothfels Michael D. Windham Marcus Lehnert Benjamin Dauphin Atsushi Ebihara Samuli Lehtonen Pedro Bond Schwartsburd Jordan Metzgar Li-Bing Zhang Li-Yaung Kuo Patrick J. Brownsey Masahiro Kato Marcelo Daniel Arana Francine C. Assis Michael S. Barker David S. Barrington Ho-Ming Chang Yi-Han Chang Yi-Shan Chao Cheng-Wei Chen De-Kui Chen Wen-Liang Chiou Vinicius Antonio de Oliveira Dittrich Yi-Fan Duan Jean-Yves Dubuisson Donald R. Farrar Susan Fawcett Jose Maria Gabriel y Galan Luiz Armando de Araujo Goes-Neto Jason R. Grant Amanda L. Grusz Christopher Haufler Warren Hauk Hai He Sabine Hennequin Regina Yoshie Hirai Layne Huiet Michael Kessler Petra Korall Paulo H. Labiak Anders Larsson Blanca Leen Chun-Xiang Li Fay-Wei Li Melanie Link-Perez Hong-Mei Liu Ngan Thi Lu Esteban I. Meza-Torres Xin-Yuan Miao Robbin Moran Claudine Massi Mynssens Nathalie Nagalingum Benjamin Ollgaard Alison M. Paul Jovani B. de S. Pereira Leon R. Perrie Monica Ponce Tom A. Ranker Christian Schulz Wataru Shinohara Alexander Shmakov Erin M. Sigel Filipe Soares de Souza Lana da Silva Sylvestre Weston Testo Luz Amparo Triana-Moreno Chie Tsutsumi Hanna Tuomisto IvAn A. Valdespino Alejandra Vasco Raquel Stauffer Viveros Alan Weakley Ran Wei Stina Weststrand Paul G. Wolf George Yatskievych Xiao-Gang Xu Yue-Hong Yan Liang Zhang Xian-Chun Zhang Xin-Mao Zhou | 2016 | Journal of Systematics and Evolution2016，54，6： | 44 |
| 2 | Amino Acid Catabolism in Plants显示文摘氨基酸在植物有各种各样的突出的功能。除他们的用法以外在蛋白质生合成期间,他们也为几条另外的生合成小径代表积木并且在表明过程期间以及在植物压力反应起枢轴的作用。一般来说, 20 氨基酸的水池尺寸强烈不同并且动态地变化取决于植物房间的发展、生理的状态。除氨基酸生合成,它已经详细地被调查了以外,氨基酸的分解代谢具有为调整他们的水池尺寸的中央重要性,但是到目前为止画了少得多注意。氨基酸的降级能也在某些生理的条件下面实质地作出贡献到植物房间的精力状态,例如碳饥饿。在这评论,我们讨论氨基酸分解代谢的生物角色并且在植物房间生理学的上下文在氨基酸降级小径和他们的规定上总结当前的知识。 | Tatjana M. Hildebrandt Adriano Nunes Nesi Wagner L. Araujo Hans-Peter Braun | 2015 | Molecular Plant2015，8，11： | 28 |
| 3 | Does autologous blood transfusion during liver transplantation for hepatocellular carcinoma increase risk of recurrence?显示文摘AIM: To analyze outcomes in patients who underwent liver transplantation(LT) for hepatocellular carcinoma(HCC) and received autologous intraoperative blood salvage(IBS). METHODS: Consecutive HCC patients who underwent LT were studied retrospectively and analyzed according to the use of IBS or not. Demographic and surgical data were collected from a departmental prospective maintained database. Statistical analyses were performed using the Fisher's exact test and the Wilcoxon rank sum test to examine covariate differences between patients who underwent IBS and those who did not. Univariate and multivariate Cox regression models were developed to evaluate recurrence and death,and survival probabilities were estimated using the Kaplan-Meier method and compared by the log-rank test.RESULTS: Between 2002 and 2012,158 consecutive patients who underwent LT in the same medical center and by the same surgical team were identified. Among these patients,122(77.2%) were in the IBS group and 36(22.8%) in the non-IBS group. The overall survival(OS) and recurrence free survival(RFS) at 5 years were 59.7% and 83.3%,respectively. No differences in OS(P=0.51) or RFS(P=0.953) were detected between the IBS and non-IBS groups. On multivariate analysis for OS,degree of tumor differentiation remained as the only independent predictor. Regarding patients who received IBS,no differences were detected in OS or RFS(P=0.055 and P=0.512,respectively) according to the volume infused,even when outcomes at 90 d or longer were analyzed separately(P=0.518 for both outcomes).CONCLUSION: No differences in RFS or OS were detected according to IBS use. Trials addressing this question are justified and should be designed to detect small differences in long-term outcomes. | Raphael LC Araujo Carlos Andrés Pantanali Luciana Haddad Joel Avancini Rocha Filho Luiz Augusto Carneiro D’Albuquerque Wellington Andraus | 2016 | World Journal of Gastrointestinal Surgery2016，8，2： | 14 |
| 4 | Robotic surgery for rectal cancer: Current immediate clinical and oncological outcomes显示文摘Laparoscopic rectal surgery continues to be a challenging operation associated to a steep learning curve. Robotic surgical systems have dramatically changed minimally invasive surgery. Three-dimensional, magnified and stable view, articulated instruments, and reduction of physiologic tremors leading to superior dexterity and ergonomics. Therefore, robotic platforms could potentially address limitations of laparoscopic rectal surgery. It was aimed at reviewing current literature on short-term clinical and oncological(pathological) outcomes after robotic rectal cancer surgery in comparison with laparoscopic surgery. A systematic review was performed for the period 2002 to 2014. A total of 1776 patients with rectal cancer underwent minimally invasive robotic treatment in 32 studies. After robotic and laparoscopic approach to oncologic rectal surgery, respectively, mean operating time varied from 192-385 min, and from 158-297 min; mean estimated blood loss was between 33 and 283 mL, and between 127 and 300 mL; mean length of stay varied from 4-10 d; and from 6-15 d. Conversion after robotic rectal surgery varied from 0% to 9.4%, and from 0 to 22% after laparoscopy. There was no difference between robotic(0%-41.3%) and laparoscopic(5.5%-29.3%) surgery regarding morbidity and anastomotic complications(respectively, 0%-13.5%, and 0%-11.1%). Regarding immediate oncologic outcomes, respectively among robotic and laparoscopic cases, positive circumferential margins varied from 0% to 7.5%, and from 0% to 8.8%; the mean number of retrieved lymph nodes was between 10 and 20, and between 11 and 21; and the mean distal resection margin was from 0.8 to 4.7 cm, and from 1.9 to 4.5 cm. Robotic rectal cancer surgery is being undertaken by experienced surgeons. However, the quality of the assembled evidence does not support definite conclusions about most studies variables. Robotic rectal cancer surgery is associated to increased costs and operating time. It also seems to be associated to reduced conversion rates. Other short-term outcomes are comparable to conventional laparoscopy techniques, if not better. Ultimately, pathological data evaluation suggests that oncologic safety may be preserved after robotic total mesorectal excision. However, further studies are required to evaluate oncologic safety and functional results. | Sergio Eduardo Alonso Araujo Victor Edmond Seid Sidney Klajner | 2014 | World Journal of Gastroenterology2014，20，39： | 9 |
| 5 | Mechanisms of neuroplasticity and brain degeneration: strategies for protection during the aging process显示文摘Aging is a dynamic and progressive process that begins at conception and continues until death.This process leads to a decrease in homeostasis and morphological,biochemical and psychological changes,increasing the individual’s vulnerability to various diseases.The growth in the number of aging populations has increased the prevalence of chronic degenerative diseases,impairment of the central nervous system and dementias,such as Alzheimer’s disease,whose main risk factor is age,leading to an increase of the number of individuals who need daily support for life activities.Some theories about aging suggest it is caused by an increase of cellular senescence and reactive oxygen species,which leads to inflammation,oxidation,cell membrane damage and consequently neuronal death.Also,mitochondrial mutations,which are generated throughout the aging process,can lead to changes in energy production,deficiencies in electron transport and apoptosis induction that can result in decreased function.Additionally,increasing cellular senescence and the release of proinflammatory cytokines can cause irreversible damage to neuronal cells.Recent reports point to the importance of changing lifestyle by increasing physical exercise,improving nutrition and environmental enrichment to activate neuroprotective defense mechanisms.Therefore,this review aims to address the latest information about the different mechanisms related to neuroplasticity and neuronal death and to provide strategies that can improve neuroprotection and decrease the neurodegeneration caused by aging and environmental stressors. | Mariana Toricelli Arthur Antonio Ruiz Pereira Guilherme Souza Abrao Helena Nascimento Malerba Julia Maia Hudson Sousa Buck Tania Araujo Viel | 2021 | Neural Regeneration Research2021，16，1： | 8 |
| 6 | Fetal brain tumors:Prenatal diagnosis by ultrasound and magnetic resonance imaging显示文摘Congenital central nervous system tumors diagnosed during pregnancy are rare, and often have a poor prognosis. The most frequent type is the teratoma. Use of ultrasound and magnetic resonance image allows the suspicion of brain tumors during pregnancy. However, the definitive diagnosis is only confirmed after birth by histology. The purpose of this mini-review article is to describe the general clinical aspects of intracranial tumors and describe the main fetal brain tumors. | Herbene Jose Milani Edward Araujo Junior Sergio Cavalheiro Patrícia Soares Oliveira Wagner Jou Hisaba Enoch Quindere Sa Barreto Maurício Mendes Barbosa Luciano Marcondes Nardozza Antonio Fernandes Moron | 2015 | World Journal of Radiology2015，7，1： | 7 |
| 7 | Short-term complementary and alternative medicine on quality of life in women with fibromyalgia显示文摘BACKGROUND:Fibromyalgia(FMS)is a syndrome characterized by chronic widespread musculoskeletal pain,whose etiology is not completely understood.Different therapeutic approaches have been used with inconsistent results.This observation does not invalidate the continued search for alternative treatments aimed at improving quality of life(Qo L)in FMS.OBJECTIVE:This study compared three classical traditional Chinese medicine(TCM)therapies:acupuncture(AC),electroacupuncture(EAC)and moxibustion(MX)in the management of pain and promotion of Qo L in FMS patients.DESIGN,SETTING,PARTICIPANTS AND INTERVENTIONS:A preliminary,group-assigned,comparative study enrolled 30 women,mean age(46.90±9.24)years(range 20–60 years),who met the 1990 American College of Rheumatology criteria for FMS diagnosis and a pain-pressure threshold(PPT)< 4 kg/cm^2.The study was conducted in a teaching tertiary-care medical institution from May 2010 through April 2012.AC,EAC and MX were delivered for 30 min,once a week,for 8 weeks,bilaterally at Neiguan(PC6),Hegu(LI4),Yanglingquan(GB34),Sanyinjiao(SP6)and Taichong(LR3)acupoints.MAIN OUTCOME MEASURES:Each week,immediately before treatment and after treatment,subjects were tested for PPTs,Wong-Baker Faces Pain Scale(WBFPS;for pain intensity)and Medical Outcomes Study 36-item Short Form Health Survey(SF-36:for Qo L).RESULTS:There was no signifi cant improvement in pain or reduction of tender points in any of the groups studied,at the end of the 8th session.Signifi cant improvement of Qo L was perceived in vitality(after AC treatment)and in mental health(after EAC and MX treatments).CONCLUSION:TCM therapies(AC,EAC and MX)promoted an improvement in the Qo L in two areas(vitality and mental health)in FMS women.Further large-scale clinical trials are required to confi rm this effect. | Paulo Araujo Dias Andre Brito Bastos Guimaraes Andrea de Oliveira Albuquerque Karoline Lucas de Oliveira Maria Luzete Costa Cavalcante Sergio Botelho Guimaraes | 2016 | Journal of Integrative Medicine2016，14，1： | 7 |
| 8 | 中医药在巴西的发展现状与分析显示文摘巴西医疗保险以统一医疗体系(Unified Health System,SUS)的免费医疗为主、私人保险为补充,已实现全民享有基本医疗服务。导致该国居民死亡的主要疾病是缺血性心脏病、脑卒中、下呼吸道感染,近年来AD、慢性肾脏病及糖尿病的发病率显著增高。以针灸为代表的中医疗法在19世纪初传入巴西,目前针灸治疗已得到较广泛的认可和应用,被纳入SUS,并在多所高校开设相关课程,但中医药整体特色有待加强,从业人员对中药的理解、运用不足,以及中医药教育缺乏规范等问题限制了中医药在巴西的发展。建议通过发挥中医药治未病的特色,加大中药研发力度并扩大市场,规范中医教育等措施,促进两国在中医药领域的广泛合作,推动中医药在巴西的发展与传播。 | 李皓月 党迎迎 Thaís Salles Araujo Fatima Terezinha Pelachini Farias Jaime Amador Soares Graciela Mendonça da Silva de Medeiros 于涛 魏竞竞 赵静 许家杰 曹洪欣 | 2021 | 国际中医中药杂志2021，43，5： | 5 |
| 9 | Fiber Laser Sensor Based on a Phase-Shifted Chirped Grating for Acoustic Sensing of Partial Discharges显示文摘 | Sanderson E. U. LIMA Rubem G FARIAS Francisco M. ARAUJO Luis A. FERREIRA José L. SANTOS Vladimiro MIRANDA1 Orlando FRAZAO | 2013 | Photonic Sensors2013，3，1： | 5 |
| 10 | FIT阳性结直肠癌筛查对象的结肠胶囊内窥镜检查与CT结肠成像检查对比:一项前瞻性随机试验--VICOCA研究显示文摘背景:结肠胶囊内窥镜检查(colon capsule endoscopy,CCE)和CT结肠成像(CT colonography,CTC)是用于结直肠癌(CRC)筛查的微创技术。我们的目的在于比较CCE和CTC在CRC筛查发现粪便免疫化学试验(faecal immunochemicaltest,FIT)阳性的受试者中识别结直肠肿瘤患者的效能。主要研究结果是CCE和CTC检出肿瘤性病变效能的比较。方法:VICOCA研究是一项于2014年3月至2016年5月进行的前瞻性、单中心随机试验。在进行结肠镜检查之前,共向662人提出检查建议,其中349人被随机分入CCE组或CTC组。内镜医师并未知晓CCE和CTC检查的结果。结果:共349人纳入分组,其中CCE组173人、CTC组176人。共290人同意参加该研究,其中CCE组147人、CTC组143人。在意向筛查分析中,CCE组检出结直肠肿瘤的敏感度、特异度、阳性预测值和阴性预测值分别为98.1%、76.6%、93.7%和92.0%,CTC组相应分别为64.9%、95.7%、96.8%和57.7%。在检出显见的肿瘤性病变方面,CCE组和CTC组的敏感度分别为96.1%和79.3%。CCE组对晚期结直肠肿瘤的检出率有相比CTC组更高的趋势(分别为100%和93.1%,RR=1.07,P=0.08)。CCE组和CTC组均识别出所有癌症患者。CCE组检出存在任一肿瘤性病变患者的比例高于CTC组(分别为98.6%和81.0%,RR=1.22,P=0.002)。结论:虽然两种技术在识别晚期结直肠肿瘤患者方面的效能相近,但CCE检出任一肿瘤性病变的敏感度更高。 | 佟伟华 GONZáLEZ-SUáREZ B PAGéS M ARAUJO I K | 2020 | 结直肠肛门外科2020，26，6： | 4 |
| 11 | On the wavelet analysis of cutting forces for chatter identification in milling显示文摘 | Cesar Giovanni Cabrera Anna Carla Araujo Daniel Alves Castello | 2017 | Advances in Manufacturing2017，5，2： | 4 |
| 12 | Catabolism of Branched Chain Amino Acids Supports Respiration but Not Volatile Synthesis in Tomato Fruits显示文摘分支链氨基酸 transaminases (BCAT ) 在分支链氨基酸白氨酸,异白氨酸,和缬氨酸的新陈代谢有一个关键角色。这些酶催化合成的最后步和这些氨基酸的降级的起始的步。尽管在植物的分叉的链氨基酸的 biosynthetic 小径广泛地被调查了,很多基因被描绘了,他们在植物的分解代谢完全还没被理解。我们以前在西红柿描绘了分叉的链氨基酸 transaminase 基因家庭,揭示 subcellular 本地化和六基因编码的酶的运动性质。这里,我们在水果开发期间检验了酶的可能的功能。我们进一步描绘了在分叉的链氨基酸 transaminases 的表示不同的转基因的植物 1 和 3,在线 overexpressing 任何一个 BCAT1 或 BCAT3 在在 BCAT1 和 volatiles 的层次缺乏的水果评估呼吸的率。我们测试的份量上经由喂实验的先锋和同位素,在水果 volatiles 的形成的分叉的链氨基酸和他们的相应 keto 酸的重要性。我们的结果不仅第一次在水果呼吸表明分叉的链氨基酸的重要性,而且揭示那 keto 酸,而非氨基酸,是为分叉的链风味 volatiles 的可能的先锋。 | Andrej Kochevenko Wagner L. Araujo Gregory S. Maloney Denise M. Tieman Phuc Thi Do Mark G. Taylor Harry J. Klee Alisdair R. Fernie | 2012 | Molecular Plant2012，5，2： | 4 |
| 13 | 一个基于孔洞演化机制的韧性断裂预测模型显示文摘在韧性断裂中微观孔洞演化机制的基础上,提出了一个基于孔洞演化机制的非耦合型韧性断裂预测模型.模型充分考虑了两种典型的孔洞演化机制:孔洞的长大机制和孔洞的拉长扭转机制.该模型引入了三个具有不同物理意义的材料参数:材料对不同孔洞演化机制的敏感度、应力状态敏感度系数和材料的损伤阈值,并使用等效塑性应变增量表征其对韧性损伤累积过程的驱动作用.为了使模型可以更好地反映三维应力状态对材料韧性断裂性能的影响,将该模型从主应力空间转换到由应力三轴度、罗德参数和临界断裂应变构成的三维空间,得到了由模型确定的三维韧性断裂曲面,并研究了相关参数对三维韧性断裂曲面及平面应力二维韧性断裂曲线的影响.利用5083-O铝合金、TRIP690钢和Docol 600DL双相钢三个典型的轻质高强板材的韧性断裂数据验证了该模型对不同材料和不同应力状态的适用性和准确性. | 穆磊 臧勇 Araujo Stemler Pedro Malaquias | 2017 | 工程科学学报2017，39，4： | 4 |
| 14 | Synthesis of highly fluorescent carbon dots from lemon and onion juices for determination of riboflavin in multivitamin/mineral supplements显示文摘In this work, lemon and onion biomasses commonly found in street markets are for the first time used to develop a facile, fast and low-cost one-step microwave-assisted carbonization method for synthesis of highly fluorescent carbon dots (CDs). The structure and optical properties of CDs were investigated by TEM, XRD, XRF, UV-Vis, FTIR, and fluorescence spectroscopy. CDs displayed satisfactory optical pro-prieties, a high quantum yield of 23.6%, and excellent water solubility, and the particle size was 4.23-8.22 nm with an average diameter of 6.15 nm. An efficient fluorescent resonance energy transfer (FRET) between the CDs and riboflavin was achieved with CDs acting as donor and riboflavin as acceptor. A linear relationship between FRET and the riboflavin concentration from 0.10 to 3.0 μg/mL was observed, allowing the development of an accurate and fast analytical method to determine this vitamin in multivitamin/mineral supplements. Despite the potential interferences in these supplements, CDs were selective for riboflavin under optimized conditions. A paired t-test at a 95% confidence level indicated no statistically significant difference between the proposed and the reference methods. Recovery test presented values ranged from 96.0% to 101.4%. The limit of detection and relative standard deviation were estimated at 1.0 ng/mL and <2.6% (n = 3), respectively. CDs were successfully synthesized in a domestic microwave oven (1450 W, 6 min), presenting satisfactory parameters when compared with results of other studies reported in the literature, suggesting that the proposed method is a potentially useful method for the synthesis of CDs and determination of riboflavin. | Severino S. Monte-Filho Stefani I.E. Andrade Marcelo B. Lima Mario C.U. Araujo | 2019 | Journal of Pharmaceutical Analysis2019，9，3： | 4 |
| 15 | Corneal stem cells and tissue engineering: Current advances and future perspectives显示文摘Major advances are currently being made in regenerative medicine for cornea. Stem cell-based therapies represent a novel strategy that may substitute conventional corneal transplantation, albeit there aremany challenges ahead given the singularities of each cellular layer of the cornea. This review recapitulates the current data on corneal epithelial stem cells, corneal stromal stem cells and corneal endothelial cell progenitors. Corneal limbal autografts containing epithelial stem cells have been transplanted in humans for more than 20 years with great successful rates, and researchers now focus on ex vivo cultures and other cell lineages to transplant to the ocular surface. A small population of cells in the corneal endothelium was recently reported to have self-renewal capacity, although they do not proliferate in vivo. Two main obstacles have hindered endothelial cell transplantation to date: culture protocols and cell delivery methods to the posterior cornea in vivo. Human corneal stromal stem cells have been identified shortly after the recognition of precursors of endothelial cells. Stromal stem cells may have the potential to provide a direct cell-based therapeutic approach when injected to corneal scars. Furthermore, they exhibit the ability to deposit organized connective tissue in vitro and may be useful in corneal stroma engineering in the future. Recent advances and future perspectives in the field are discussed. | Aline Lütz de Araujo JoséAlvaro Pereira Gomes | 2015 | World Journal of Stem Cells2015，7，5： | 4 |
| 16 | 亚微米MOS场效应管的完全解析二维模型显示文摘本文对二维非线性泊松方程这一基本问题进行了求解.采用一个微分算符将泊松方程分解成自由载流子部份和掺杂分布部份.自由载流子部份正是著名的刘维方程,具有解析解。掺杂分布部份采用“相似变换”的方法予以求解.将包含自由载流子影响的完全的二维电势分布用于亚微米MOS场效应管,得到了阈值电压的解析模型.它能很好地说明短沟道效应.本解析模型的特点是其完整性及简单性.它能很方便地用于器件模拟,也能推广到三维情况. | 汤庭鳌 C.A.Paz de Araujo | 1992 | Journal of Semiconductors1992，13，9： | 3 |
| 17 | Determination of heavy metals in activated charcoals and carbon black for Lyocell fiber production using direct solid sampling high-resolution continuum source graphite furnace atomic absorption and inductively coupled plasma optical emission spectrometry显示文摘 | Fábio G. Lepri Daniel L.G. Borges Rennan G.O. Araujo Bernhard Welz Frank Wendler Marcus Krieg Helmut Becker-Ross | 2010 | Talanta2010，，3： | 3 |
| 18 | G eant 4—a simulation toolkit显示文摘 | S. Agostinelli J. Allison K. Amako J. Apostolakis H. Araujo P. Arce M. Asai D. Axen S. Banerjee G. Barrand F. Behner L. Bellagamba J. Boudreau L. Broglia A. Brunengo H. Burkhardt S. Chauvie J. Chuma R. Chytracek G. Cooperman G. Cosmo P. Degtyarenko A. Del | 2003 | and Methods in Physics Research, A2003，，3： | 3 |
| 19 | Testing for HCV Infection: An Update of Guidance for Clinicians and Laboratorians显示文摘 | Getchell Jane P Wroblewski Kelly E DeMaria Alfred Bean Christine L Parker Monica M Pandori Mark Dufour D Robert Busch Michael P Brecher Mark E Meyer William A Pesano Rick L Teo Chong-Gee Beckett Geoffrey A Araujo Aufra C Branson Bernard M D | 2013 | MMWR. Morbidity and Mortality Weekly Report2013，，18： | 3 |
| 20 | CAPTURING COMPLEX,NON-LINEAR TEAM BEHAVIOURS DURING COMPETITIVE FOOTBALL PERFORMANCE显示文摘This study investigated changes in the complexity(magnitude and structure of variability)of the collective behaviours of association football teams during competitive performance.Raw positional data from an entire competitive match between two professional teams were obtained with the ProZone^(?) tracking system.Five compound positional variables were used to investigate the collective patterns of performance of each team including:surface area,stretch index,team length,team width,and geometrical centre.Analyses involve the coefficient of variation(%CV) and approximate entropy(ApEn),as well as the linear association between both parameters.Collective measures successfully captured the idiosyncratic behaviours of each team and their variations across the six time periods of the match.Key events such as goals scored and game breaks(such as half time and full time) seemed to influence the collective patterns of performance.While ApEn values significantly decreased during each half,the%CV increased.Teams seem to become more regular and predictable,but with increased magnitudes of variation in their organisational shape over the natural course of a match. | DUARTE Ricardo ARAUJO Duarte FOLGADO Hugo ESTEVES Pedro MARQUES Pedro DAVIDS Keith | 2013 | Journal of Systems Science & Complexity2013，26，1： | 3 |
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