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Pyoderma gangrenosum affecting the mouth

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Open Journal of Stomatology 2013年第2期3卷 142-145页

作者： marcos martins Curi Camila Lopes Cardoso Daniel Henrique Koga Cristina Zardetto Sergio Rocha Araujo Department of Stomatology Hospital Santa CatarinaSao PauloBrazil Department of Stomatology Bauru School of DentistryUniversity of Sao PauloBauruSao PauloBrazil

Pyoderma gangrenosum is a rare ulcerative cutaneous disorder commonly associated with systemic diseases such as inflammatory bowel diseases. This paper reports a case of pyoderma gangrenosum affecting the mouth and the skin associated with ulcerative colitis. A Medline search in English literature from 1961 to 2012 revealed only 11 documented cases of pyoderma gangrenosum with oral involvement. Previous reported cases of oral cavity involvement have shown that the most common sites of manifestation are the tongue, palate, and tonsillar fauces. This case emphasizes the importance of including inflammatory bowel diseases and their manifestations in the differential diagnosis of ulcerative lesions in the oral cavity.

关键词： Pyoderma Gangrenosum Oral Manifestation Inflammatory Bowel Disease Ulcerative Colitis

Effect of Corrosion Inhibitor Used in Surface Treatment on the Anticorrosive Performance of an Epoxy Paint System

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Materials Sciences and Applications 2016年第10期7卷 593-609页

作者： Jorge Felipe Ramos Pontes Elber Vidigal Bendinelli Cristina da Costa Amorim marcos martins de Sá Alberto Pires Ordine Cepel-Electric Energy Research Center Corrosion Laboratory Rio de Janeiro Brazil

The mechanism of corrosion is mainly sustained by an electrochemical process, in which anodic and cathodic reactions take place, keeping their kinetics alive by electrons and ions fluxes. Several specific conditions can accelerate corrosion processes. When studying anticorrosive coatings, one of them is the contamination of metallic surface by soluble salts prior to coating, leading to premature failure of the paint system due to corrosion between the metallic surface and the coating. So the surface preparation step prior to coating is a procedure of great importance to the coating anticorrosive performance. The aim of this step is to clean the surface by removing visible and non-visible contaminants. Usually, wet abrasive blasting methods are the most efficient ones to achieve the latter objective, because they may clean the surface, create a surface roughness and also remove the non-visible contaminants, as they use water as a media. On the other hand, evaporation of water after blasting may create flash rust and to avoid this, it is common to use corrosion inhibitors in the water of wet blasting methods. In this paper, the use of sodium tetraborate (borax) as a corrosion inhibitor in wet abrasive blasting is discussed. Electrochemical measurements and mass loss tests show that a borax content of 1% in a saline solution has the best inhibitory action over carbon steel and zinc surfaces, allowing postponing for the painting step some time. However, residual borax left on the surface generated blistering and corrosion under coating, during accelerated corrosion test in a humidity condensation chamber. Electrochemical impedance spectroscopy confirmed that borax accelerated the permeation of water through the coating, downgrading the anticorrosive performance of the paint system.

关键词： Wet Abrasive Blasting Corrosion Inhibitor Borax Epoxy Paint System

Spacing between Soybean Rows

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American Journal of Plant Sciences 2018年第4期9卷 711-721页

作者： Luiz Claudio Garcia Ivo Frare Thiago Inagaki Pedro Henrique Weirich Neto marcos martins Maghnom Henrique Melo Leandro Nadolny marcos Kruppa Rogenski Newton Seifert Filho Ezequiel Barbosa de Oliveira Department of Soil Science and Agricultural Engineering State University of Ponta Grossa Ponta Grossa Brazil

The soybean crop has great economical importance in Brazil and in the world. In order to make the crop production profitable, several factors must be considered. The objective of this study was to evaluate the impact of spacing between soybean crop rows (Glycine max). The experiment was installed in the Mutuca farm (Arapoti—PR, southern Brazil), in the crop seasons of 2012/2013 (four seeding seasons) and 2013/2014 (two seeding seasons), in a completely randomized blocks design. We used four treatments and six replicates. The treatments were the spacing between rows as follow: 0.25, 0.50, 0.75 and 1.00 m. The variables evaluated were: initial and final plant population, plant height, number of internodes, viable internodes, pods per plant, grains per pod, mass of thousand grains and crop productivity. We concluded that the reduction of the spacing between rows significantly increased, in most part of the crop seasons, the number of pods per plants and the crop productivity.

关键词： Productivity Components Glycine max No-Till System

Adenosquamous Carcinoma Affecting the Maxilla: A Case Report and Review

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Journal of Cancer Therapy 2017年第3期8卷 286-295页

作者： marcos martins Curi Marcelo Ferraz de Oliveira Anthony Froy Benites Condezo Heliton Gustavo Lima Andréia Aparecida da Silva Carlos César DeAntoni Camila Lopes Cardoso Department of Oral and Maxillofacial Surgery Hospital Santa Catarina S&atilde o Paulo Brazil Department of Implantology P-I Branemark Institute S&atilde o Paulo Brazil Department of Oral Surgery Universidade do Sagrado Cora&ccedil ã o S&atilde o Paulo Brazil Department on Oral Pathology University of S&ccedil o Paulo S&ccedil o Paulo Brazil

Adenosquamous carcinoma of the head and neck (ASC) is a rare and aggressive variant of squamous cell carcinoma, a locally aggressive malignancy characterized by the presence of two distinct components: a squamous cell carcinoma and an adenocarcinoma. The purpose of this study was to report an additional rare case of adenosquamous carcinoma affecting the maxilla, with clinical microscopic features and a complex mid-facial rehabilitation.

关键词： Squamous Cell Carcinoma Adenosquamous Carcinoma Implant Supported Prosthesis Maxillofacial Rehabilitation

Rare Metastatic Lesion Affecting the Mouth: Case Report and Review

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Journal of Cancer Therapy 2017年第4期8卷 399-404页

作者： marcos martins Curi Cláudia Curra Anthony Froy Benites Condezo Maria Flávia M. Rodrigues Mariane Pexe Bruna Moraes Carlos César DeAntoni Rosenvaldo Moreira Camila Lopes Cardoso Department of Oncology Hospital Santa Catarina S&atilde o Paulo Brazil Universidade do Sagrado Coraç ã o Bauru S&atilde o Paulo Brazil

The presence of metastases in the oral cavity is considered quietly rare in the literature. Considering metastasis of hepatocellular carcinoma, the occurrence occurs in approximately 1% of cases. The objective of this study was to report a case of metastasis of hepatocellular carcinoma in gingiva, in a patient with a previous diagnosis of cancer presenting a poor prognosis. Furthermore, a review of reported cases has already been performed and found only 20 reports. This case report emphasizes the importance of including metastases in soft tissue of the mouth, in the differential diagnosis of lesions with benign aspect.

关键词： Metastasis in the Oral Cavity Hepatocellular Carcinoma

Serum myeloperoxidase level is increased in heavy smokers

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Open Journal of Clinical Diagnostics 2013年第1期3卷 5-8页

作者： André B. martins Valdecir F. Ximenes Luiz marcos da Fonseca Departamento de Análises Clínicas Faculdade de Ciências Farmacêuticas Universidade Estadual Paulista-UNESP Araraquara Brasil Departamento de Química Faculdade de Ciências Universidade Estadual Paulista-UNESP Bauru Brasil

Raised myeloperoxidase (MPO) serum levels are associated with endothelial dysfunction and cigarette smoking is a risk factor for cardiovascular diseases. Since myocardial infarction is associated with leukocytosis and smokers present increased levels of neutrophils, here we hypothesized that the levels of serum MPO in smokers could be also raised. We carried out a study on sixty eight adult healthy volunteers. The control group consisted of thirty four non-smokers and the test group was thirty four heavy smokers. The hemogram, interleukin-8 (IL-8) and MPO serum levels were measured. Neutrophil, monocyte and lymphocyte counts were higher

关键词： Smokers Neutrophils IL-8 Myeloperoxidase Hypochlorous Acid Atherosclerosis

Assessing the Impact of Using Different Land Cover Classification in Regional Modeling Studies for the Manaus Area,Brazil

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Journal of Geoscience and Environment Protection 2015年第6期3卷 77-82页

作者： Sameh Adib Abou Rafee Ana Beatriz Kawashima marcos Vinícius Bueno de Morais Viviana Urbina Leila Droprinchinski martins Jorge Alberto martins Department of Physics Federal University of Technology-ParanaLondrinaBrazil Department of Chemistry Federal University of Technology-ParanaLondrinaBrazil Department of Atmospheric Sciences University of Sao PauloSao PauloBrazil

Land cover classification is one of the main components of the modern weather research and forecasting models, which can influence the meteorological variable, and in turn the concentration of air pollutants. In this study the impact of using two traditional land use classifications, the United States Geological Survey (USGS) and the Moderate-resolution Imaging Spectroradiometer (MODIS), were evaluated. The Weather Research and Forecasting model (WRF, version 3.2.1) was run for the period 18 - 22 August, 2014 (dry season) at a grid spacing of 3 km centered on the city of Manaus. The comparison between simulated and ground-based observed data revealed significant differences in the meteorological fields, for instance, the temperature. Compared to USGS, MODIS classification showed better skill in representing observed temperature for urban areas of Manaus, while the two files showed similar results for nearby areas. The analysis of the files suggests that the better quality of the simulations favorable to the MODIS file is straightly related to its better representation of urban class of land use, which is observed to be not adequately represented by USGS.

关键词： Land Use and Land Cover Classification Regional Modeling Studies Urban Air Quality

Damage Caused by Psyllids and Influence of Climatic Factors in Brazilian Accesses of Guava Trees Cultivated in Organic System

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American Journal of Plant Sciences 2014年第10期5卷 1432-1440页

作者： Juliana Altafin Galli marcos Doniseti Michelotto Maria Beatriz Bernardes Soares Antonio Lucio Melo martins Ivan Herman Fischer Apta North Centre PindoramaBrazil Apta Midwest BauruBrazil

The psyllid (Triozoida sp.) is the primary pest of guava tree in the Central Northern region of S?o Paulo State, Brazil. The variation of climatic factors may influence directly or indirectly the behavior of agricultural pests. The present work had objectives to evaluate the damages caused by psyllid in accesses of guava trees in order to identify materials with potential resistance to pest and the possible correlations of the damage with the meteorological factors, in an orchard of guava conducted in an organic system. Eighty-five guava accesses were evaluated. Each one was analyzed at random 10 leaves containing the symptom of the psyllid attack, through visual range of notes. The averages of the notes were compared by Scott-Knott test at 5% probability. The 25 accesses with the highest average damage of psyllid had the data submitted to correlation (Pearson), with the minimum and maximum temperature (°C), precipitation (mm) and relative humidity (%). Guava accesses used commercially were the most susceptible to the attack of psyllid, compared to the selections, with an emphasis to access “L4P14”, “L7P28” and “L8P32B”, which were the least attacked. The study of correlation between psyllid damages and meteorological factors, must be used the medium temperature, relative humidity and rainfall accumulated in the period of 14 days before the evaluations. There is a positive correlation between minimum temperasture, precipitation and relative humidity with the damage of psyllids in leaves of guava.

关键词： Triozoida sp. Psidium guajava Varietal Resistance Temperature Precipitation Relative Humidity

Analysis of PTEN Methylation Pattern by Pyrosequencing in Renal Cell Carcinoma

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Journal of Cancer Therapy 2020年第12期11卷 793-802页

作者： Eurico Cleto Ribeiro de Campos marcos Gonçalves Adriano Júnior Marcus Rivabem Winheski Renan martins Ademar Lopes Department of Oncology Surgery of Prevent Senior Sao Paulo Group Sao Paulo Brasil Oncology Surgical Department of Evangélico Mackenzie University Hospital Curitiba Paraná Ponta Grossa State University Paraná Brasil Hospital A. C. Camargo Sao Paulo Brazil

Objectives: We aimed to determine the frequency of PTEN (phosphatase with tensin homology deleted in chromosome 10) hypermethylation in renal cell carcinoma (RCC) and its impact on overall (OS) and disease-free survival (DFS). The association between PTEN hypermethylation and clinic and pathologic factors was also analyzed. Materials and Methods: The authors analyzed 137 patients who had undergone a radical or partial nephrectomy between 1997 and 2011. The methylation pattern was quantified individually at multiple CpG islands that are located on the exon 1 of PTEN gene by pyrosequencing. Results: Mean follow-up was 32.3 months. PTEN hypermethylation was detected with a low frequency (3.6%). There were no deaths or disease recurrence among patients with PTEN hypermethylation. Determining the association between PTEN hypermethylation and clinical and pathological factors was not possible due to the low frequency observed. Conclusion: The results show that the methylation of promoter CpG sites in PTEN is relatively infrequent in renal carcinogenesis and has no prognostic impact on survival.

关键词： Methylation PTEN Pyrosequencing Renal Cell Carcinoma