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Concerns about the application of resistance exercise with blood-flow restriction and thrombosis risk in hemodialysis patients

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Journal of Sport and Health Science 2024年第4期13卷 548-558,F0003页

作者： Hugo de Luca Correa Lysleine Alves Deus Dahan da Cunha Nascimento Nicholas Rolnick rodrigo Vanerson Passos Neves Andrea Lucena Reis Thais Branquinho de Araujo Carmen Tzanno-Martins Fernanda Silveira Tavares Luiz Sinesio Silva Neto claudio avelino rodrig.es santos Paolo Lucas rodrig.es-Silva Fernando Honorato Souza Vitoria Marra da Motta Vilalva Mestrinho Rafael Lavarini dos santos Rosangela Vieira Andrade Jonato Prestes Thiago dos santos Rosa Post-graduate Program of Physical Education Catholic University of BrasıliaBrasılia 71966-700Brazil The Human Performance Mechanic Lehman CollegeNew YorkNY 10011USA Clinical Group Home Dialysis Center and RenalClass Sao Paulo 01239-040Brazil Department of Medicine Catholic University of BrasıliaBrasılia 71966-700Brazil Faculty of Medicine Federal University of TocantinsTocantins 77001-090Brazil Embrapa Genetic Resources and Biotechnology Brasılia 70770-917Brazil Graduate Program of Genomic Sciences and Biotechnology Brasılia 71966-700Brazil

Background:Hemodialysis(HD) per se is a risk factor for *** the growing body of evidence on blood-flow restriction(BFR) exercise in HD patients,identification of possible risk factors related to the prothrombotic agent D-dimer is required for the safety and feasibility of this training *** aim of the present study was to identify risk factors associated with higher D-dimer levels and to determine the acute effect of resistance exercise(RE) with BFR on this ***:Two hundred and six HD patients volunteered for this study(all with a glomerular filtration rate of ession consisted of 50% arterial occlusion pressure during 50 min sessions of HD(intradialytic exercise).RE repetitions included concentric and eccentric lifting phases(each lasting 2 s) and were supervised by a strength and conditioning ***:Several variables were associated with elevated levels of D-dimer,including higher blood glucose,citrate use,recent cardiovascular events,recent intercurrents,higher inflammatory status,catheter as vascular access,older patients(>70 years old),and HD ***,RE+BFR significantly increases D-dimer after 4 *** with borderline baseline D-dimer levels(400-490 ng/mL) displayed increased risk of elevating D-dimer over the normal range(≥500 ng/mL).Conclusion:These results identified factors associated with a heightened prothrombotic state and may assist in the screening process for HD patients who wish to undergo RE+BFR.D-dimer and/or other fibrinolysis factors should be assessed at baseline and throughout the protocol as a precautionary measure to maximize safety during RE+BFR.

关键词： Blood-flow restriction Chronic kidney disease Coagulation Hemodialysis Vascular occlusion exercises

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Biomass-glycerol briquettes are not necessarily mechanically stable and energetically effective

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Waste Disposal and Sustainable Energy 2020年第4期2卷 291-303页

作者： Bruno Rafael de Almeida Moreira Ronaldo da Silva Viana Samuel Dias Moreira Monique dos santos Lima Anderson Chagas Magalhães Celso Tadao Miasaki Joséclaudio Caraschi Department of Phytosanitary Rural Engineering and SoilsSchool of EngineeringSão Paulo State University(Unesp)Ilha SolteiraSão PauloBrazil Department of Plant Production College of Agricultural and Technological SciencesSão Paulo State University(Unesp)DracenaBrazil São Paulo State University(Unesp) ItapevaSão PauloBrazil

The re-use of glycerol from biodiesel industry as an alternative lubricant for making high-performance briquettes is ***,the technical performance of this agro-industrial residue is not *** study outlines,accordingly,the real risk of introducing glycerol into the co-briquetting of highly caloric by-products of *** production of hybrid briquettes consisted of pressing mixtures of residues of sugarcane and sorghum with the liquid additive at 10,20,and 30 wt.%in bench-scale hydraulic piston presser *** of the blend,briquettes containing the supplement at the highest level as part of their composition ended up being much more hygroscopic(20.10%)and less energetic(3.15 GJ m^(−3)).The explanation for the negative impact of glycerol on the thermomechanical behavior of briquettes would be overconcen-tration of additive capable of effectively defying compacting *** degree of compaction during co-briquetting has likely gone down quickly with a maximizing level of *** long as the additive is not able to lubricate the feedstock suitably,improbability of biomass particles to successfully bond together to form themselves into mechanically stable and energetically effective briquettes is *** lower density(273.80 kg m^(−3))and higher relaxation(22.75%),briquettes with glycerol at 30 wt.%generally were aesthetically ***,these products resisted no longer to handling,transportation,and *** lost their shape easily during emptying and shifting them,thus,releasing larger quanti-ties of biomass to the *** evidence of high-viscosity glycerol capable of limiting safe and effective production of high-performance briquettes for heating and power exists.

关键词： Additive Agro-residues Densification Biosolids Waste-to-energy

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Valorization of semi-solid by-product from distillation of cellulosic ethanol into blends for heating and power

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Waste Disposal and Sustainable Energy 2021年第1期3卷 49-61页

作者： Bruno Rafael de Almeida Moreira Victor Hugo Cruz Matheus Luís Oliveira Cunha Nathaly Proença Lopes Anderson Chagas Magalhães Celso Tadao Miasaki Joséclaudio Caraschi Ronaldo da Silva Viana Department of Phytosanitary Rural Engineering and SoilsSchool of EngineeringSão Paulo State University(Unesp)Ilha SolteiraSão PauloBrazil Department of Plant Production College of Agricultural and Technological SciencesSão Paulo State University(Unesp)DracenaSão PauloBrazil São Paulo State University(Unesp) ItapevaSão PauloBrazil

Burning down on semi-solid by-product from distillation of cellulosic ethanol to power upstream steps of its manufacturing is ***,this feedstock is homogenous in size and shape,hygroscopic and poorly *** disadvantages make its re-use in the industrial plant very *** of this agro-residue into high-performance blends for heating and power is,accordingly,the scientific point of this *** pilot-scale manufacturing of composite pellets consisted of systematically pressing the residue with sugarcane bagasse at the mass ratios of 1:4,2:4,and 3:4 on an automatic pelletizer machine at 200 MPa and 125℃.The process of compaction lasted for 90 *** and energy density,both increased significantly,from 95.85%to 99.55%and from 27.95 GJ m^(−3) to 32.20 GJ m^(−3) with blending at 3:***,the semi-solid by-product considerably improved the feeding,thus,enabling the layers of particles to go smoothly through the channel-forming die of the ***,blends became stiffer and denser than pellets purely consisting of sugarcane *** evidence of the process of pelleting capable of highly valorizing the semi-solid by-product from distillation of cellulosic bioethanol into mechanically stable and energetically effective hybrid fuel grade biosolids *** major findings of this paper should be of great relevance to ensure safe and effective transportation and storage of biomass in indoor facili-ties where the risk for the generation of dust and fines and the subsequent off-gassing and self-firing is ***,pelletization may optimize the co-generation of heat and steam at the large-scale bioethanol station.

关键词： Fuel grade biosolids Non-woody biomass Pelletization Second-generation biofuel Sustainable waste-to-energy technique

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Non-locality and collective emission in disordered lasing resonators

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Light(Science & Applications) 2013年第1期2卷 79-84页

作者： Marco Leonetti claudio Conti Cefe Lopez ISC-CNR UOS Sapienza00185 RomaItaly Institute for Material Science Madrid(ICMM-CSIC) 28049 MadridSpain Department of Physics University SapienzaI-00185 RomaItaly

Random lasing is observed in optically active resonators in the presence of *** the optical cavities involved are open,the modes are coupled,and energy may pour from one state to another provided that they are spatially *** the electromagnetic modes are spatially localized,our system may be actively switched to a collective state,presenting a novel form of non-locality revealed by a high degree of spectral correlation between the light emissions collected at distant *** a nutshell,light may be stored in a disordered nonlinear structure in different fashions that strongly differ in their spatial *** effect is experimentally demonstrated and theoretically explained in titania clusters embedded in a dye,and it provides clear evidence of a transition to a multimodal collective emission involving the entire spatial extent of the disordered *** results can be used to develop a novel type of miniaturized,actively controlled all-optical chip.

关键词： collective emission disorder nanophotonics random lasing

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Forest fire risk indices and zoning of hazardous areas in Sorocaba,Sao Paulo state,Brazil

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Journal of Forestry Research 2020年第2期31卷 581-590页

作者： Leonardo Guimaraes Ziccardi claudio Roberto Thiersch Aurora Miho Yanai Philip Martin Fearnside Pedro Jose Ferreira-Filho Department of Environmental Dynamics National Institute for Research in Amazonia(INPA)Av.Andre AraujoNo.2936ManausAmazonasCEP 69067-375Brazil Department of Environmental Sciences Federal University of Sao Carlos(UFSCar)SorocabaSao PauloCEP 18052-780Brazil

This study compares the performance of three fire risk indices for accuracy in predicting fires in semideciduous forest fragments,creates a fire risk map by integrating historical fire occurrences in a probabilistic density surface using the Kernel density estimator(KDE)in the municipality of Sorocaba,Sao Paulo state,*** logarithmic Telicyn index,Monte Alegre formula(MAF)and enhanced Monte Alegre formula(MAF+)were employed using data for the period 1 January 2005 to 31 December *** data and numbers of fire occurrences were obtained from the National Institute of Meteorology(INMET)and the Institute for Space Research(INPE),*** performance measures were calculated:Heidke skill score(SS)and success rate(SR).The MAF+index was the most accurate,with values of SS and SR of 0.611%and 62.8%,*** fire risk map revealed two most susceptible areas with high(63 km^2)and very high(47 km^2)risk of fires in the *** of the best risk index and the generation of fire risk maps can contribute to better planning and cost reduction in preventing and fighting forest fires.

关键词： Forest fire risk maps Forest fire protection Monitoring Monte Alegre formula

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Rainfall erosivity and erosivity density through rainfall synthetic series for Sao Paulo State,Brazil:Assessment,regionalization and modeling

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International Soil and Water Conservation Research 2022年第3期10卷 355-370页

作者： David Bruno de Sousa Teixeira Roberto avelino Cecílio Joao Paulo Bestete de Oliveira Laura Thebit de Almeida Gabrielle Ferreira Pires Department of Agricultural Engineering Federal University of ViçosaViçosaMG36570-900Brazil Department of Forest and Wood Sciences Federal University of Espírito SantoJer^onimo MonteiroES29550-000Brazil Federal Institute of espírito Santo Campus AlegreAlegreES29520-000Brazil

Rainfall is the main cause of erosion of Brazilian soils,which makes assessing the rainfall erosivity factor(RE)and the erosivity density(ED)fundamental for soil and water ***,the objectives of this study were:i)to estimate the RE and ED for Sao Paulo State,Brazil,using synthetic series of pluviographic data;ii)to define homogeneous regions regarding rainfall erosivity;and iii)to generate regression models for rainfall erosivity estimates in each of the homogeneous *** series of pluviographic data were initially obtained on a sub-daily scale from the daily rainfall records of 696 rainfall *** RE values were then estimated from the synthetic rainfall data,and ED was calculated from the relationship between erosivity and rainfall *** and annual maps for RE and ED were *** clustering analysis was used to define homogeneous regions in terms of rainfall erosivity,and regionalized regression models for estimating RE were *** results demonstrate high spatial variability of RE in Sao Paulo,where the highest annual values were observed in the coastal *** to March concentrate approximately 60%of the intra-annual *** highest values of annual ED were observed in regions with intense agricultural *** definition of five homogeneous regions concerning the rainfall erosive potential evidenced distinct seasonal patterns of the spatial distribution of ***,the high predictive accuracy of the regionalized models obtained characterizes them as essential tools for reliable estimates of rainfall erosivity,and contribute to better soil conservation planning.

关键词： Soil erosion Stochastic weather generator Homogeneous regions Modified Fournier index Regression models

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Enhancing the response of CALUX and CAFLUX cell bioassays for quantitative detection of dioxin-like compounds

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Science China Chemistry 2010年第5期53卷 1010-1016页

作者： BASTON David S. KHAN Elaine SORRENTINO claudio DENISON Michael S. Laboratorium voor Analytische en Milieu Chemie Vrije Universiteit Brussel Pesticide Epidemiology Section Pesticide and Environmental Toxicology BranchOffice of Environmental Health Hazard Assessment Human and Ecological Risk Office Brownfields and Environmental Restoration ProgramDepartment of Toxic Substances Control Department of Environmental Toxicology University of California

Reporter genes produce a protein product in transfected cells that can be easily measured in intact or lysed cells and they have been extensively used in numerous basic and applied research *** the past 10 years,reporter gene assays have been widely accepted and used for analysis of 2,3,7,8-tetrachlorodibenzo-p-dioxin and related dioxin-like compounds in various types of matrices,such as biological,environmental,food and feed samples,given that high-resolution instrumental analysis techniques are impractical for large-scale screening *** most sensitive cell-based reporter gene bioassay systems developed are the mechanism-based CALUX(Chemically Activated Luciferase Expression) and CAFLUX(Chemically Activated Fluorescent Expression) bioassays,which utilize recombinant cell lines containing stably transfected dioxin(AhR) responsive firefly luciferase or enhanced green fluorescent protein(EGFP) reporter genes,*** the current CALUX and CAFLUX bioassays are very sensitive,increasing their lower limit of sensitivity,magnitude of response and dynamic range for chemical detection would significantly increase their utility,particularly for those samples that contain low levels of dioxin-like HAHs(i.e.,serum) .In this study,we report that the addition of modulators of cell signaling pathways or modification of cell culture conditions results in significant improvement in the magnitude and overall responsiveness of the existing CALUX and CAFLUX cell bioassays.

关键词： dioxin reporter gene bioassay CALUX CAFLUX

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Treatability studies of naphthalene in soil,water and air with persulfate activated by iron(Ⅱ)

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Journal of Environmental Sciences 2020年第4期32卷 67-77页

作者： Gabriela P.Mendes Vivian M.A.Magalhaes Lélia C·R·Soares Rayanne M.Aranha claudio A.O.Nascimento Marilda M.G.R.Vianna Osvaldo Chiavone-Filho Department of Chemical Engineering University of Sao PauloSPf 05508-000Brazil Department of Chemical Engineering Federal University of Rio Grande Do NorteNatalRN59072-970Brazil

Chemical oxidation was applied to an artificially contaminated soil with naphthalene(NAP).Evaluation of NAP distribution and mass reduction in soil,water and air phases was carried out through mass *** of NAP distribution and mass reduction in soil,water and air phases was carried out through mass *** importance of the air phase analysis was emphasized by demonstrating how NAP behaves in a sealed system over a 4 hr reaction *** of Experiments method was applied to the following variables:sodium persulfate concentration[SP],ferrous sulfate concentration[Fes04],and *** system operated with a prefixed solid to liquid ratio of 1:*** following conditions resulted in optimum NAP removal[SP]=18.37 g/L,[FesO4]=4.25 g/L and pH=*** the end of the 4 hr reaction,62%of NAP was *** the soil phase,the chemical oxidation reduced the NAP concentration thus achieving levels which comply with Brazilian and USA environmental *** the NAP partitioning view,the monitoring of each phase allowed the variabilities assessment over the process,refining the knowledge of mass *** on NAP distribution in the system,this study demonstrates the importance of evaluating the presence of semi-volatile and volatile organic compounds in the air phase during remediation,so that there is greater control of the system as to the distribution and presence of the contaminant in the *** results highlight the importance of treating the contaminant in all its phases at the contaminated site.

关键词： Chemical oxidation Phase distribution Degradation kinetics PAH Soil remediation Mass balance

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Variation of Morpho-Agronomic and Biomass Quality Traits in Elephant Grass for Energy Purposes According to Nitrogen Levels

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American Journal of Plant Sciences 2015年第11期6卷 1685-1696页

作者： Erik da Silva Oliveira Rogério Figueiredo Daher Niraldo José Ponciano Geraldo de Amaral Gravina José Augusto de Almeida Sant’ana Romildo Domingos Gottardo Bruna Rafaela da Silva Menezes Paulo Marcelo de Souza Cláudio Luiz Melo de Souza Veronica Brito da Silva avelino dos santos Rocha Antonio Alonso Cecon Novo Universidade estadual do Norte Fluminense Darcy Ribeiro Campos dos GoytacazesRJBrazil Instituto Federal do espírito Santo Campus of AlegreAlegreESBrazil Universidade Federal Rural do Rio de Janeiro SeropédicaRJBrazil

Elephant grass is a tropical forage plant widely spread in Brazil, used mainly in the livestock sector and in cattle feeding. Because of its high productivity and photosynthetic capacity, this culture has also been considered an alternative source of renewable energy. Six clones of elephant grass (Pennisetum purpureum Schum.) were evaluated under five levels of nitrogen fertilization (100, 200, 400, 800, and 1600 kg·N·ha-1), in a randomized-block design with a split-plot arrangement with three replicates, from April 2010 to December 2012, in the city of Campos dos Goytacazes— RJ, Brazil. The objective was to obtain estimates of variation in morpho-agronomic traits and biomass quality. We observed that genotypes Cameroon-Piracicaba and Gua?u I/Z2 have great potential to be used, with maximum dry matter yields of 60.97 and 44.10 t·ha-1 per cut for energy purposes among the studied genotypes.

关键词： Nitrogen Fertilization Alternative Energy Energy Biomass Dry Matter Yield Pennisetum purpureum Schum

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Prevalence of Cholelithiasis in Patients with Type 2 Diabetes and Obesity in a Basic Family Health Centre in Irecê, Northeastern Brazil

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Open Journal of Endocrine and Metabolic Diseases 2016年第1期6卷 38-42页

作者： Sarah Virgínia Dantas Guimarães Heldernilson Lopes Eugênio Gomes claudio Galindo de Oliveira Marcus Fabiano Santana Rocha Chiacchio Fabricio Miranda Souza Daniel Souza Oliveira Renata Lima de Cerqueira Jurandir José Cerqueira Dantas Junior Denise Rosso Tenório Wanderley Rocha Alberto Krayyem Arbex Postgraduate Study Programme in Endocrinology IPEMED Medical School (IPEMED) Bahia Brazil Division of Endocrinology IPEMED Medical School Salvador-Bahia Brazil Visiting Scientist of the Harvard T. H. Chan School of Public Health Harvard University Boston USA

Cholelithiasis is a common disease in the general population. One of its risk factors is the type 2 diabetes mellitus, related to metabolic abnormalities associated to overweight, obesity, insulin resistance, hypertriglyceridemia and dietary habits. The main risk factors to cholelithiasis are genetic susceptibility, ileum resection, diabetes mellitus, obesity, hemolytic anemia, age, estrogens and cirrhosis. This study aims to make a correlation between diabetes mellitus and obesity versus prevalence of cholelithiasis in these patients.

关键词： Diabetes Mellitus Obesity Prevalence and Cholelithiasis

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