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Simulation of Multi-Frequency Induced Currents in Biophysical Models and Agar Phantoms of Breast Cancer

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Journal of Electromagnetic Analysis and Applications 2012年第8期4卷 317-325页

作者： César A. González Jesús G. silva Lucila M. Lozano Salvador M. Polo Universidad del Ejército y FAM/EMGS-Laboratorio Multidisciplinario de Investigación DF México

Breast cancer is the most frequent malignant neoplasm and the leading cause of cancer death in women in the world. Early detection techniques have been proposed on the basis of bioelectrical measurements. The aim of this study was to evaluate analytically and experimentally the inductive phase shift as a function of multi-frequency induced currents in breast cancer conditions. Virtual simulation by biophysical models and experimental measurements by magnetic induction in agar phantoms were developed to estimate the inductive phase shift as a function of the bulk electrical properties in typical breast volumes with tumors in specific positions. The analytical and experimental results are qualitatively consistent and provide evidence that the inductive phase shift has a potential clinical value to detect cancerous tumors toward inside a typical volume of breast tissue.

关键词： Inductive Phase Shift Breast Cancer

Outcome of the Use of a Synthetic Mesh in the Repair of Burst Abdomen as Compared with Simple Suture

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International Journal of Clinical Medicine 2015年第3期6卷 113-118页

作者： Manuel López-Cano josé A. Pereira Xavier Feliu Lourdes Hernández Daniel Andrada Esther Gil Borja Villanueva Manuel Armengol-Carrasco Unidad de Cirugía de la Pared Abdominal Servicio de Cirugía General y Digestiva Hospital Universitario Vall d’Hebron Universitat Autònoma de Barcelona Barcelona Spain Servicio de Cirugía General y Digestiva Hospital del Mar Parc de Salut Mar Departamento de Ciencias Experimentales y de la Salud Universitat Pompeu Fabra Barcelona Spain Servicio de Cirugía General y Digestiva Hospital de Igualada Barcelona Spain

Aim: To assess the outcome (postoperative morbidity and mortality and/or development of incisional hernia) of patients with burst abdomen (BA) of midline laparotomy without intestinal fistula comparing early closure of the abdominal wall with a running suture alone vs. running suture plus reinforcement with a non-absorbable synthetic mesh. Methods: Retrospective analysis of the medical records of all patients undergoing surgical repair of a BA in three hospitals between 2006 and 2011. Risk factors, postoperative complications and the incidence of incisional hernia (IH) after a minimum of 12-month follow-up period were compared between groups. Results: A total of 109 patients were treated for BA, 18 patients treated by non-standard procedures were excluded from analysis. Of the remaining 91 patients, 56 belong to the mesh group and 35 to the suture group. The overall rate of postoperative complications was high in both groups (79.1%). Mortality rate was higher in the suture group than in the mesh group (31.4% vs. 14.3%;P = 0.06). IH was also more frequent in the suture group (36.4% vs. 17.6%;P = 0.057). Conclusions: Patients with BA and without intestinal fistula could be candidates for surgical repair using a running suture and a non-absorbable polypropylene mesh in the “onlay” position.

关键词： Mesh Suture Burst Abdomen Abdominal Wall Hernia

Synthesis and Characterization of Monodisperse Magnetite Hollow Microspheres

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Soft Nanoscience Letters 2011年第2期1卷 25-32页

作者： Francisco Márquez Teresa Campo María Cotto Ramón Polanco Rolando Roque Pedro Fierro josé María Sanz Eduardo Elizalde Carmen Morant Universidad Autónoma de Madrid University of Puerto Rico University of Turabo

Monodisperse hollow magnetite microspheres were successfully synthesized by an one-step process through a tem-plate-free hydrothermal approach employing simultaneously a mixture of FeCl3.6H2O and ferrocene as precursor and a propylene glycol-isopropanol mixture as solvent. The morphologies and properties of the magnetite microspheres were characterized by X-ray diffraction (XRD), Raman and infrared spectroscopy, field emission scanning electron microscopy (FE-SEM), X-ray photoelectron spectroscopy (XPS), adsorption of nitrogen (BET method) and SQUID magnetometry. The results show that the microspheres consist of a single crystalline phase of magnetite. On the other hand, the size and the internal hollow of the microspheres depend on the temperature of growth and can be tuned by modifying the synthesis conditions.

关键词： Fe3O4 Magnetite Hollow Spheres

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泛读:没有痛苦就没有收获吗?

外语教学理论与实践 1993年第2期 11-13,49页

作者： JuanPino-silva 申厚坤菏泽师专

阅读课教师必须区分精读和泛读。前者一般来说是慢速的;而后者是快速的,其目的是获取对所读课文的总体理解。现在,泛读被之泛地使用和称赞,它被认为是一种者一系列的活动,其目的是“培养良好的:阅读习惯,巩固词汇和语法结构知识,而且或... 详细信息

阅读课教师必须区分精读和泛读。前者一般来说是慢速的;而后者是快速的,其目的是获取对所读课文的总体理解。现在,泛读被之泛地使用和称赞,它被认为是一种者一系列的活动,其目的是“培养良好的:阅读习惯,巩固词汇和语法结构知识,而且或增进对阅读的爱好”(Richards等1985100)。在我教阅读课的西蒙,博利瓦大学Univer-sidad Simon Bolivar),新生报告说,阅读对他们而言就是把印好的英语材料译成他们的母语——西班牙语。这也许意味着大部分只具备一些不甚牢固的中学英语能力的学生,只能逐词阅读,既不会喜爱阅读,也读的不多,对英语课文理解也不够透彻——恰似Nuttal(1982)描述的关于不良读者恶性循环的一系列特点。在西蒙·博利瓦大学,教师们普遍认为。

关键词：博利瓦语法错误结构知识词典使用阅读课程泛读课语言能力阅读问题阅读测试阅读模式

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经济政策实施中的一些问题

湖南社会科学 1994年第3期 76-81页

作者： Jesus,silva—Herzog,贝兴亚墨西哥墨西哥

原著作者是墨西哥著名经济学教授,1977年曾主持墨西哥银行工作,1979年至1986年,先后担任墨西哥政府财政与国家信贷部副部长、部长,是墨西哥政府经济调整政策的主要设计者之一。本文就是作者对墨西哥政府经济调整政策实施过程中经验教训... 详细信息

原著作者是墨西哥著名经济学教授,1977年曾主持墨西哥银行工作,1979年至1986年,先后担任墨西哥政府财政与国家信贷部副部长、部长,是墨西哥政府经济调整政策的主要设计者之一。本文就是作者对墨西哥政府经济调整政策实施过程中经验教训的理论总结。80年代墨西哥经济在国内和国外诸因素影响下,出现了剧烈的波动,政府对经济的宏观调控政策,在实施中遇到种种矛盾、冲突和问题。作者从墨西哥经济调整政策实施的经历中,总结了经济政策在实施阶段应注意的8个问题,有借鉴作用。故译出供我国经济理论工作者和政策制定专家参考。

关键词：经济所有通货膨胀率墨西哥拉丁美洲经济调整政策外汇汇率经济学利率预算财政管理财政财政金融

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开路电池光声辐射探测器

红外 1989年第1期10卷 38-40页

作者： silva,MD 高国龙

Agriculture and Forest Transition: Understanding of Land Use Change in a Cultural Landscape

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Open Journal of Applied Sciences 2015年第12期5卷 797-807页

作者： josé Eduardo dos Santos Angela Terumi Fushita Imyra Maíra Martins de Souza Lia Martucci Amorim Valéria Aparecida David Andrade Department of Hydrobiology Federal University of S&atilde o Carlos S&atilde o Carlos Brazil Postgraduate Program in Ecology and Natural Resources Federal Universityof S&atilde o Carlos S&atilde o Carlos Brazil

Land use trajectory analysis provides both the time and kind of land cover changes to monitor land use dynamics. Land cover change trajectories for three different dates (1965, 1989 and 2014) extracted from satellite images by vectorization of the thematic information were studied This study was carried out on a cultural landscape (S?o Carlos municipality, SP, Brazil) with three major land use-cover classes (forest, agriculture and other uses). The results showed the spatio temporal variability of landscape pattern and forest and agriculture change trajectories. Analysis based on these landscape trajectories demonstrates that agriculture and forest cover changes have been caused by human activities. The results reflect the conflicting interactions between environmental and human systems in the study area. A key question is that the pressure exerted on forest land use-cover depends on the incentives that move society from a conflicting relation with a municipal territory. A more sustainable landscape transition and trajectory for S?o Carlos municipality are extremely dependent on the regulatory role of the government through strategies related to the implementation of specific categories of legally protected areas (Legal Reserves and Areas of Permanent Preservation).

关键词： Land Use-Cover Change Trajectories Landscape Sustainability Legally Protected Areas Remote Sensing

Growth and Production of Hydroponic Pepper under Salt Stress and Plant Density

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American Journal of Plant Sciences 2017年第9期8卷 2255-2267页

作者： Guilherme De Freitas Furtado Antonio Ramos Cavalcante Lúcia Helena G. Chaves josé Amilton Santos Júnior Hans Raj Gheyi Department of Agricultural Engineering Federal University of Campina Grande Campina Grande Brazil Department of Agricultural Engineering Federal Rural University of Pernambuco Recife Brazil Postgraduate Program in Agricultural Engineering Federal University of Rec&#244 ncavo da Bahia Cruz das Almas Brazil

The viability of the use of brackish water in the hydroponic cultivation of vegetables cannot dispense with auxiliary techniques such as water mixing and the use of plant densities. In this sense, the objective of the present work was to analyze the growth and production of sweet pepper, cv. All Big, under hydroponic conditions, under different levels of electrical conductivity of the nutrient solution (1.7, 3.7, 5.7, 7.7, 9.7 and 11.7 dS·m-1) in plants spaced every 0.2 m and 0.3 m. These treatments were distributed in a completely randomized experimental design, analyzed in a 6 × 2 factorial scheme, with five replications. The growth variables were evaluated at 60, 75 and 90 days after sowing and the production variables at the time of harvest;however, the results were submitted to analysis of variance, at a 0.05 probability level. The interaction between the electrical conductivity of the nutrient solution and the density of plants influenced the behavior of the growth and production variables of pepper (All Big). It was verified that the pepper plants had better performance of the biometric variables plant height, stem diameter and number of leaves when cultivated every 30 cm. At the time, in the analysis by plant, the production of pepper fruits was more expressive when spacing of 30 cm was adopted, however, in the tube of six meters, when 20 cm of spacing was used, the number of fruits was on average, 26.38% and 16.40% higher than lower density, in the electrical conductivities 1.7 and 11.7 dS·m-1.

关键词： Capsicum annuum L. Brackish Water Rainwater

Tolerance in liver transplantation: Biomarkers and clinical relevance

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World Journal of Gastroenterology 2016年第34期22卷 7676-7691页

作者： Alberto Baroja-Mazo Beatriz Revilla-Nuin Pascual Parrilla Laura Martínez-Alarcón Pablo Ramírez josé Antonio Pons Biomedical Research Institute of Murcia (IMIB-Arrixaca-UMU) 30120 Murcia Spain Division of Gastroenterology and Hepatology and Liver Transplant Unit University Hospital Virgen de la Arrixaca 30120 Murcia Spain

Transplantation is the optimal treatment for end-stage organ failure,and modern immunosuppression has allowed important progress in short-term outcomes. However,immunosuppression poorly influences chronic rejection and elicits chronic toxicity in current clinical practice. Thus,a major goal in transplantation is to understand and induce tolerance. It is well established that human regulatory T cells expressing the transcription factor Fox P3 play important roles in the maintenance of immunological self-tolerance and immune homeostasis. The major regulatory T cell subsets and mechanisms of expansion that are critical for induction and long-term maintenance of graft tolerance and survival are being actively investigated. Likewise,other immune cells,such as dendritic cells,monocyte/macrophages or natural killer cells,have been described as part of the process known as "operational tolerance". However,translation of these results towards clinical practice needs solid tools to identify accurately and reliably patients who are going to be tolerant. In this way,a plethora of genetic and cellular biomarkers is raising and being validated worldwide in large multicenter clinical trials. Few of the studies performed so far have provided a detailed analysis of the impact of immunosuppression withdrawal on pre-existing complications derived from the long-term administration of immunosuppressive drugs and the side effects associated with them. The future of liver transplantation is aimed to develop new therapies which increase the actual low tolerant vs non-tolerant recipients ratio.

关键词： Liver transplantation Operational tolerance Regulatory T cells Dendritic cells Biomarkers