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Abstract Analytical and computational calibrations and subsequent parametric analyses were performed on the four UHPFRC beams under flexure to estimate their actual shear strength. The computational models were calibrated using different values for the CDP parameters, and a finite element mesh sensitivity study was conducted. These models predicted the experimental behavior satisfactorily, and the analytical model was also able to find the beams’ failure loads and proved to be a simple tool to estimate their behavior. The parametric analysis showed that the current beams did not require stirrups once the UHPFRC had high shear strength, and the maximum shear capacity was accurately determined.

https://doi.org/10.1590/1679-78257804

Factors associated with interprofessional collaboration in Primary Health Care: a multilevel analysis
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Vasconcelos, Jader

; Probst, Livia Fernandes

; Silva, Jaqueline Alcântara Marcelino da

; Costa, Marcelo Viana da

; Higashijima, Marcia Naomi Santos

; Santos, Mara Lisiane de Moraes dos

; Souza, Albert Schiaveto de

; Carli, Alessandro Diogo De

Ciência & Saúde Coletiva

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2024, Volume 29 N. 1 elocation e10572022

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract Working with an interprofessional focus is increasingly necessary, in view of the growing complexity of the population’s health needs. This study aims to assess interprofessional collaboration and the teamwork climate in primary health care (PHC) and determine whether there is a relationship between these two variables. The AITCS-II instrument was used to measure interprofessional collaboration, while to diagnose teamwork climate, the ECTE instrument was used, a version adapted to the SUS context of the Teamwork Climate Inventory instrument. These two instruments were applied online together with a questionnaire for the sociodemographic characterization of the 544 participants, who belonged to 97 Family Health Strategy (FHS) teams in a Brazilian municipality. The obtained data were submitted to a multilevel analysis. A positive correlation was observed between interprofessional collaboration and three of the four teamwork climate factors. The better the work climate, the better the interprofessional collaboration in the corresponding team, and this characteristic stands out in relation to other individual analyzed characteristics.

Resumo Trabalhar com foco interprofissional é cada vez mais necessário, tendo em vista a crescente complexidade das necessidades de saúde da população. Este estudo tem como objetivo avaliar a colaboração interprofissional e o clima de trabalho em equipe na atenção primária à saúde (APS) e verificar possível relação entre estas duas variáveis. Para mensurar a colaboração interprofissional foi utilizado o instrumento AITCS-II, enquanto para o diagnóstico do clima de trabalho em equipe foi utilizado o instrumento ECTE, versão adaptada para o contexto SUS do instrumento Teamwork Climate Inventory. Esses dois instrumentos foram aplicados on-line juntamente com um questionário para caracterização sociodemográfica dos 544 participantes, pertencentes a 97 equipes da Estratégia Saúde da Família (ESF) de um município brasileiro. Os dados obtidos foram submetidos a uma análise multinível. Foi observada uma correlação positiva entre a colaboração interprofissional e três dos quatro fatores do clima de trabalho em equipe. Quanto melhor o clima de trabalho, melhor a colaboração interprofissional na equipe correspondente, e essa característica se destaca em relação às demais características individuais analisadas.

https://doi.org/10.1590/1413-81232024291.10572022

Factors associated with interprofessional collaboration in Primary Health Care: a multilevel analysis
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Vasconcelos, Jader

; Probst, Livia Fernandes

; Silva, Jaqueline Alcântara Marcelino da

; Costa, Marcelo Viana da

; Higashijima, Marcia Naomi Santos

; Santos, Mara Lisiane de Moraes dos

; Souza, Albert Schiaveto de

; Carli, Alessandro Diogo De

Ciência & Saúde Coletiva

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2024, Volume 29 N. 1 elocation e10572022

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

https://doi.org/10.1590/1413-81232024291.10572022

Recusa familiar para doação de córneas para transplante: fatores associados e tendência
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Silva, Isabelle Cristina Nogueira da

; Pimentel, Rafael Rodrigo da Silva

; Moraes, Edvaldo Leal de

; Santos, Marcelo José dos

Acta Paulista de Enfermagem

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2024, Volume 37 elocation eAPE001471

Abstract: Es Pt En | Text: Es Pt En | PDF: Es | PDF: Pt | PDF: En

Resumen Objetivo Analizar la negativa familiar de donación de córneas para trasplante en una Organización de Búsqueda de Órganos. Métodos: Estudio cuantitativo tipo transversal sobre la negativa de córnea de donantes en situación de muerte encefálica. La fuente de datos estuvo compuesta por los Términos de Autorización de Donación de Órganos y Tejidos firmados entre enero de 2001 y diciembre de 2020 en una Organización de Búsqueda de Órganos. Se recopilaron los datos, luego se tabularon y se analizaron de forma descriptiva e inferencial. El presente estudio fue aprobado por el Comité de Ética en Investigación. Resultados De los 2447 Términos de Autorización de Donación de Órganos y Tejidos firmados en el período, 620 (25,34 %) negaron la donación de córneas. Con relación a la tendencia temporal de negativas de donación de córneas, el único período que presentó significación fue de 2001 a 2009, cuando los grupos de edad de 0 a 11 años y de 12 a 19 años demostraron una tendencia decreciente, y el grupo de edad mayor o igual a 60 años se mostró creciente. En el período total de 2001 a 2020, los grupos de edad de 20 a 40 años, de 41 a 59 años y mayor o igual a 60 años presentaron un 48 %, un 59 % y un 73 %, respectivamente, menor probabilidad de negativa de donación de córneas. Conclusión El grupo de edad presentó relación con la negativa, considerando que los individuos de mayor edad presentan mayores índices.

Resumo Objetivo Analisar a recusa familiar de doação de córnea para transplante em uma Organização de Procura de Órgãos. Métodos Estudo quantitativo do tipo transversal sobre as recusas de córnea de doadores em situação de morte encefálica. A fonte de dados foi constituída pelos Termos de Autorização de Doação de Órgãos e Tecidos firmados entre janeiro de 2001 a dezembro de 2020 em uma Organização de Procura de Órgãos. Os dados foram coletados, tabulados e analisados de forma descritiva e inferencial. O presente estudo foi aprovado pelo Comitê de Ética em Pesquisa. Resultados Dos 2.447 Termos de Autorização de Doação de Órgãos e Tecidos firmados no período, 620 (25.34%) recusaram a doação de córneas. Com relação à tendência temporal de recusas de doação de córneas, o único período que apresentou significância foi de 2001 a 2009, quando as faixas etárias de zero a 11 anos e 12 a 19 anos demonstraram tendência decrescente, e a faixa etária maior ou igual a 60 anos, mostrou-se crescente. No período total de 2001 a 2020, as faixas etárias dos 20 a 40 anos, 41 a 59 anos e maior ou igual a 60 anos apresentaram, 48%, 59% e 73%, respectivamente, menores chances de recusa da doação de córneas. Conclusão A faixa etária apresentou associação com a recusa, tendo em vista que os indivíduos de maior idade apresentaram maiores índices.

Abstract Objective To analyze family refusals to donate a cornea for transplantation in an Organ Procurement Organization. Methods This was a quantitative cross-sectional study on corneal donation refusals from potential brain-dead donors. The data source was based on the Terms of Authorization for Donation of Organs and Tissues signed from January 2001 to December 2020 in an Organ Procurement Organization. Data were collected, tabulated, and analyzed in a descriptive and inferential manner. The present study was approved by the Research Ethics Committee. Results Of the 2,447 Terms of Authorization for Donation of Organs and Tissues signed in the above period, 620 (25.34%) of them refused to donate a cornea. Regarding the time trend of corneal donation refusals, the period 2001-2009 was the only one that showed significance, when the 0-11 and 12-19 age groups showed a decreasing trend and that of 60 years or older showed an increasing trend. In the period 2001-2020, the age groups of 20-40, 41-59, and 60 years or older had lower rates of refusal to donate a cornea (48%, 59%, and 73%, respectively). Conclusion The age group is associated with refusal because older individuals had the highest refusal rates.

https://doi.org/10.37689/acta-ape/2024ao00001471

Comparison of nutritional status and growth curves of children and adolescents in the city of Goiânia, Goiás: cross-sectional study
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Alves, Rafael Ribeiro

; Baptista, Tadeu

; Marques, Vitor Alves

; Silva, Weder Alves da

; Silva, Marcelo Henrique

; Santos, Douglas de Assis Teles

; Vieira, Carlos Alexandre

Sao Paulo Medical Journal

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2024, Volume 142 N. 2 elocation e2022643

Abstract: En | Text: En | PDF: En

ABSTRACT BACKGROUND: Nutritional status and growth curves can affect cognitive development, increase the risk of infection, and contribute to the development of chronic diseases. Its etiology is related to food, socioeconomic, and maternal conditions. However, to date, no data on these parameters exist in the state of Goiás, Brazil. OBJECTIVE: To compare the nutritional status and growth curves of children and adolescents in the city of Goiânia, Goiás, Brazil. DESIGN AND SETTING: This was a cross-sectional study. A total of 529 individuals were recruited from a primary health center in the municipality. METHODS: To assess nutritional status, the sample was divided into three categories: 3–4, 5–10, and 11–19 years, with z-score classification considering body mass index for age. The classification of growth curves was performed considering the median height values for age, assuming two references: (a) young Brazilian population and (b) one recommended for international use. The independent sample T-test was used to compare anthropometric variables. RESULTS: The results showed that the classification of eutrophics represents a predominant percentage between both sexes (men: 03–04 = 55.4%; 05–10 = 57.6%; 11–19 = 53.5 % and women: 03–04 = 53.5%; 05–10 = 63.9%; 11–19 = 56.9%), and growth curves showed differences in specific periods in both sexes. CONCLUSIONS: It can be concluded that children and adolescents from the city of Goiânia present as predominance the eutrophic nutritional status, followed by the risk of overweight, underweight, obesity, and malnutrition of both sexes.

https://doi.org/10.1590/1516-3180.2022.0643.r1.010623

Study of the potentiality of murumuru husk ash, an amazonian agroindustrial waste, as a filler to structural concrete
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Souza, Milleno Ramos de

; Teixeira, Marcelo Rassy

; Cordeiro, Luciana de Nazaré Pinheiro

; Sousa, Fernanda dos Santos

; Gonçalves, Andrey da Costa

; Vieira Filho, Arudá Gomes

Revista IBRACON de Estruturas e Materiais

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2024, Volume 17 N. 3 elocation e17307

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract This research paper focuses on the use of murumuru husk ash (MHA), an agro-industrial waste generated specifically in the Amazon region, as partial replacement of cement in structural concrete. It also evaluates the physical, chemical and mineralogical characteristics of the ash to act as filler in concrete and its properties in the fresh and hardened states in concrete. To this end, the MHA performed physical-mechanical characterization tests, such as specific mass, pozzolanic activity with Portland cement, pozzolanic activity with lime, and BET test, also performing the mineralogical and chemical analysis of the ash. The results showed that there is technical feasibility with partial replacement of 6% of MHA in cement using plasticizer additive to improve workability, thus showing an improvement in the physical-mechanical and durability properties of the concrete.

Resumo O estudo objetiva pesquisar o uso da cinza da casca do murumuru (CCM), um resíduo agroindustrial gerado especificamente na região amazônica como substituição parcial do cimento no concreto estrutural e avaliar as características físicas, químicas e mineralógicas da cinza para atuação como filler no concreto, além de suas propriedades no estado fresco e endurecido no concreto. Com esse intuito, o CCM passou pelos ensaios de caracterização físico-mecânicas como o de massa específica, atividade pozolânica com cimento Portland, atividade pozolânica com a cal e ensaio de BET, realizando-se também as análises mineralógicas e químicas da cinza. Os resultados mostraram que existe uma viabilidade técnica com substituição parcial de 6% de CCM no cimento, utilizando-se aditivo plastificante para melhorar a trabalhabilidade, mostrando uma melhora nas propriedades físico-mecânicas e de durabilidade do concreto.

https://doi.org/10.1590/s1983-41952024000300007

Impact of Conservation Processes on the Lipid Profile and Immunological Factors IL-10 and TGF-β1 in Whey Separated from Discarded Human Milk
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Alves, Eloize S.

; Castro, Matheus C.

; Saqueti, Bruno H. F.

; Manin, Luciana P.

; Alencar, Josiane B.

; Zacarias, Joana M. V.

; Bruni, Andressa R. S.

; Madrona, Grasiele S.

; Visentainer, Jeane E. L.

; Cristianini, Marcelo

; Santos, Oscar O.

; Visentainer, Jesui V.

Journal of the Brazilian Chemical Society

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2024, Volume 35 N. 1 elocation e-20230102

Abstract: En | Text: En | PDF: En

Reuse made by the separation of whey can reduce the waste of human milk. However, the authors are not aware of the literature on treatments in human whey, made available by pasteurization holder, freeze-drying, spray drying, and high hydrostatic pressure. In this context, the present study applied treatments to human whey and evaluated their lipid and immunological quality. Among the results, a different formation in the triacylglycerol profile was evidenced after the application of spray drying and high hydrostatic pressure, while pasteurization and freeze-drying presented ion intensity close to the control human whey. In addition, pasteurization proved to be adequate for lipid nutritional quality and transformation factor-β1 (TGF-β1) concentration, while an increase in interleukin-10 (IL-10) levels was promoted, between 73 and 80%, after freeze-drying, spray drying, and high hydrostatic pressure. Through the principal component analysis, it is noteworthy that the processes presented divergences in terms of the effects caused, with similarity only between pasteurization and freeze-drying in the composition of fatty acids. However, it was observed that all processes were able to maintain the nutrients. Nevertheless, it is relevant to consider individual characteristics presented and the interest in the desired quality, which can be promising as a complementary product to infant feeding.

https://doi.org/10.21577/0103-5053.20230102

Thickness of the nasolacrimal duct and the adjacente maxillary bone in different skeletal patterns using MSCT: A retrospective study
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Santos, Marcelo Oldack Silva dos

; Souza, Daniel Adrian Silva

; Borges, Maria Clara Albuquerque

; Rebello, Iêda Margarida Crusoé Rocha

; Neves, Frederico Sampaio

; Sardinha, Sandra de Cássia Santana

Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial

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dec 2023, Volume 64 N. 4 Pages 155 - 161

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo Objetivos: Avaliar a anatomia do ducto nasolacrimal e a espessura do osso maxilar adjacente por meio de tomografia computadorizada multislice. Métodos: Imagens tomográficas de 92 indivíduos (184 lados) foram analisadas quanto ao sexo, lado e padrão esquelético sagital (Classe I, II e III) e vertical (mesocefálico, braquicefálico e dolicocéfalo). Os maiores diâmetros do ducto nasolacrimal e espessura do osso maxilar adjacente foram medidos quando a sutura lacrimomaxilar estava completamente visível. Além disso, as medidas foram realizadas 2 mm acima e abaixo do ponto médio. As medidas do osso maxilar e do ducto nasolacrimal foram analisadas por ANOVA de uma via com teste post hoc de Tukey. Resultados: Indivíduos do sexo feminino apresentaram ducto lacrimal significativamente mais estreito no ponto médio (p=0,026) e 2 mm acima (p=0,025). A espessura óssea maxilar foi maior nos indivíduos Classe II em comparação aos indivíduos Classe I no ponto médio (p=0,012) e 2 mm acima (p=0,027). O grupo dolicocefálico apresentou maior espessura óssea maxilar no ponto médio (p=0,014) e 2 mm abaixo (p=0,005) quando comparado ao grupo braquicefálico. A espessura óssea maxilar foi maior em indivíduos mesocefálicos em comparação com indivíduos dolicocéfalos (p=0,04). Conclusões: Indivíduos braquicefálicos Classe I apresentam menor espessura óssea maxilar adjacente ao ducto nasolacrimal, facto que aumenta o risco de lesão durante o processo de fixação óssea.

Abstract Objectives: To evaluate the anatomy of the nasolacrimal duct and the adjacent maxillary bone thickness using multislice computed tomography. Methods: Tomographic images of 92 individuals (184 sides) were analyzed according to sex, side, and sagittal (Class I, II, and III) and vertical (mesocephalic, brachycephalic, and dolichocephalic) skeletal patterns. The largest diameters of the nasolacrimal duct and the thickness of the adjacent maxillary bone were measured when the lacrimomaxillary suture was completely visible. In addition, the measurements were performed 2 mm above and below the midpoint. The maxillary bone and nasolacrimal duct measurements were analyzed by one-way ANOVA with Tukey’s post-hoc test. Results: Females had a significantly narrower lacrimal duct at the midpoint (p=0.026) and 2 mm above it (p=0.025). Maxillary bone thickness was greater in Class II individuals compared to Class I at the midpoint (p=0.012) and 2 mm above it (p=0.027). The dolichocephalic group had greater maxillary bone thickness at the midpoint (p=0.014) and 2 mm below it (p=0.005) compared to the brachycephalic group. Maxillary bone thickness was greater in mesocephalic individuals compared to dolichocephalic individuals (p=0.04). Conclusions: Brachycephalic Class I individuals have lower maxillary bone thickness adjacente to the nasolacrimal duct, which increases the risk of injury during the bone fixation process.

https://doi.org/10.24873/j.rpemd.2023.12.1206

Revisores 2023
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Molas de la Quintana, Adriana Beatriz

; Jimenez Genchi, Alejandro

; Carrizales, Alexia

; Gotti, Amanda

; Martinez Ortiz, Ana

; Rocío Martínez Yacelga, Ana del

; Camilo Ciantelli, Ana Paula

; Jimenez Figueroa, Andres

; Neumann, Angélica Paula

; Parodi Svartman, Bernardo

; Vazquez Rodriguez, Carolina

; Da Silva, Cecilia

; Baroni, Cecilia

; Lanza Perez, Cintia Beatriz

; Mola, Débora

; Alarcón Rubio, David

; Perales Mejia, Felipe de Jesús

; Sarachu, Gerardo

; Gelpi, Gonzalo

; Sosa, Gustavo

; Viana Batista, Helder

; Moizéis, Heloísa Bárbara Cunha

; Carrasco, Jimena

; Ungaretti, Joaquín

; Moreira, Karen

; Tomatis, Karina

; Oros, Laura Beatriz

; Mazaro, Lisabelle Manente

; Chiavone, Luciana

; Perilla Toro, Lyria Esperanza

; Campagnoli, Mabel Alicia

; Ruiz Barbot, Mabela

; Brenlla, María Elena

; Folle Chavannes, María Ana

; Freytes Frey, Marcela

; Rossal, Marcelo

; Ortiz, Maria Victoria

; Nabergoi, Mariela

; Montenegro, Marisela

; Lladó, Mónica

; Freitas De León, Paribanú

; Solís García, Patricia

; Ruiz Santos, Paul

; Fiorati, Regina Célia

; Martins, Rita de Cássia Andrade

; Dominguez-Lara, Sergio Alexis

; Herranz, Silvana Melisa

; Yoma, Solana María

; Gondim, Sonia Maria Guedes

; Rostagnol, Susana

; Wittke, Tommy

; Ballesteros, Virginia

; Tamayo, William

Psicología, Conocimiento y Sociedad

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dec 2023, Volume 13 N. 3 Pages 116 - 118

Abstract: Es | Text: Es | PDF: Es

https://doi.org/10.26864/pcs.v13.n3.rev

10.

Capillary leak syndrome during continuous renal replacement therapy after renal hilum ligation in a hypercapnic landrace pig
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Santos, Yuri de Albuquerque Pessoa dos

; Cardozo Júnior, Luis Carlos Maia

; Mendes, Pedro Vitale

; Besen, Bruno Adler Maccagnan Pinheiro

; Park, Marcelo

Critical Care Science

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dec 2023, Volume 35 N. 4 Pages 413 - 415

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

https://doi.org/10.5935/2965-2774.20230139-en

11.

Posicionamento do Departamento de Imagem Cardiovascular da Sociedade Brasileira de Cardiologia sobre o Uso do Strain Miocárdico na Rotina do Cardiologista – 2023
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Almeida, André Luiz Cerqueira

; Melo, Marcelo Dantas Tavares de

; Bihan, David Costa de Souza Le

; Vieira, Marcelo Luiz Campos

; Pena, José Luiz Barros

; Del Castillo, José Maria

; Abensur, Henry

; Hortegal, Renato de Aguiar

; Otto, Maria Estefania Bosco

; Piveta, Rafael Bonafim

; Dantas, Maria Rosa

; Assef, Jorge Eduardo

; Beck, Adenalva Lima de Souza

; Santo, Thais Harada Campos Espirito

; Silva, Tonnison de Oliveira

; Salemi, Vera Maria Cury

; Rocon, Camila

; Lima, Márcio Silva Miguel

; Barberato, Silvio Henrique

; Rodrigues, Ana Clara

; Rabschkowisky, Arnaldo

; Frota, Daniela do Carmo Rassi

; Gripp, Eliza de Almeida

; Barretto, Rodrigo Bellio de Mattos

; Silva, Sandra Marques e

; Cauduro, Sanderson Antonio

; Pinheiro, Aurélio Carvalho

; Araujo, Salustiano Pereira de

; Tressino, Cintia Galhardo

; Silva, Carlos Eduardo Suaide

; Monaco, Claudia Gianini

; Paiva, Marcelo Goulart

; Fisher, Cláudio Henrique

; Alves, Marco Stephan Lofrano

; Grau, Cláudia R. Pinheiro de Castro

; Santos, Maria Veronica Camara dos

; Guimarães, Isabel Cristina Britto

; Morhy, Samira Saady

; Leal, Gabriela Nunes

; Soares, Andressa Mussi

; Cruz, Cecilia Beatriz Bittencourt Viana

; Guimarães Filho, Fabio Villaça

; Assunção, Bruna Morhy Borges Leal

; Fernandes, Rafael Modesto

; Saraiva, Roberto Magalhães

; Tsutsui, Jeane Mike

; Soares, Fábio Luis de Jesus

; Falcão, Sandra Nívea dos Reis Saraiva

; Hotta, Viviane Tiemi

; Armstrong, Anderson da Costa

; Hygidio, Daniel de Andrade

; Miglioranza, Marcelo Haertel

; Camarozano, Ana Cristina

; Lopes, Marly Maria Uellendahl

; Cerci, Rodrigo Julio

; Siqueira, Maria Eduarda Menezes de

; Torreão, Jorge Andion

; Rochitte, Carlos Eduardo

; Felix, Alex

Arquivos Brasileiros de Cardiologia

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dec 2023, Volume 120 N. 12 elocation e20230646

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

https://doi.org/10.36660/abc.20230646

12.

Microtensile bond strength of resin cements to 3-D printed and milled temporary restorative resins
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Soto-Montero, Jorge

; Romano, Beatriz de Cassia

; Noronha, Mayara dos Santos

; André, Carolina Bosso

; Giannini, Marcelo

Odovtos International Journal of Dental Sciences

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dec 2023, Volume 25 N. 3 Pages 82 - 98

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen Evaluar la resistencia adhesiva en microtracción (µTBS) de dos cementos resinosos a resinas CAD/CAM impresas y fresadas indicadas para restauraciones provisionales. Bloques (5 x 5 x 5mm) de tres resinas impresas (Cosmos3DTemp / Yller; Resilab3D Temp / Wilcos and SmartPrint BioTemp, / MMTech) y una resina fresada (VitaCAD-Temp, VITA) fueron fabricados. La mitad de los especímenes fueron arenados y el resto no recibió tratamiento mecánico. Dos bloques con condiciones de tratamiento iguales fueron cementados con cemento resinoso (PanaviaV5 / Kuraray Noritake y RelyX Ultimate / 3M Oral Care). Después de 24 horas los bloques fueron seccionados en palitos de 1 mm² de área. En la mitad de los especímenes se midió la TBS inmediatamente y el resto fue termociclado (5000 ciclos, 30s remojo, 5s transferencia) antes de la prueba de TBS. Se aplica un análisis estadístico por Modelo Linear General con 4 factores (material*arenado*cemento*termociclado). La resina VITA presentó la menor µTBS, independientemente del cemento usado, el arenado y el termociclado. Sin embargo, el arenado aumentó la µTBS de VIT, especialmente después del termociclado. Por otro lado, el arenado no resultó en un aumento significativo de la µTBS de las resinas impresas. El arenado no fue beneficiosos para las resinas impresas, aunque es un paso crucial para la cementación adhesive de las resinas fresadas. El arenado afecta la integridad de las capas de las resinas impresas, sin generar un beneficio en la TBS.

Abstract To evaluate the microtensile bond strength (µTBS) of two resin cements to 3D printed and milled CAD/CAM resins used for provisional fixed partial dentures. Blocks (5 x 5 x 5 mm) of three 3D-printed resins (Cosmos3DTemp / Yller; Resilab3D Temp / Wilcos and SmartPrint BioTemp, / MMTech) were printed (Photon, Anycubic Technology Co.). A milled material (VitaCAD-Temp, VITA) was used as control. Half the specimens were sandblasted and the rest were untreated. Two blocks were bonded with the corresponding resin cement: PanaviaV5 (Kuraray Noritake) and RelyX Ultimate (3M Oral Care). After 24 hours, the bonded blocks were sectioned into 1 x 1 mm side sticks. Half the beams were tested for µTBS and the other half was thermocycled (5000 cycles, 30s dwell-time, 5s transfer time) before µTBS testing. A four way Generalized Linear Model (material*sandblasting*cement*aging) analysis was applied. VITA exhibited the lowest µTBS, regardless of the cement, sandblasting and thermocycling. Sandblasting significantly improved the µTBS of VIT, especially after aging, but did not improve the µTBS of 3D printed resins. Sandblasting was not beneficial for 3D printed resins, although is crucial for adhesive cementation of milled temporary resins. Airborne particle abrasion affects the integrity of 3D-printed resins, without producing a benefit on the microtensile bond strength of these materials. However, sandblasting is crucial to achieve a high bond strength on milled temporary resins.

https://doi.org/10.15517/ijds.2023.55808

13.

MICROCLIMATE AND IRRIGATION AFFECT THE GROWTH DYNAMICS OF SUGARCANE IN A SEMIARID ENVIRONMENT
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Carvalho, Herica F. de S.

; Silva, Thieres G. F. da

; Santos, Cloves V. B. dos

; Silva, Marcelo J. da

; Leitão, Mario de M. V. B. R.

; Moura, Magna S. B. de

Engenharia Agrícola

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dec 2023, Volume 43 N. 6 elocation e20230145

Abstract: En | Text: En | PDF: En

ABSTRACT The aim of this study was to assess how microclimate variables and irrigation affect the growth of sugarcane. The experiment was conducted using the VAT90-212 cultivar in the Semi-arid region of Brazil. The microclimate was monitored and by quantifying the irrigation depth. Nine campaigns were carried out in the field to collect morphological and biomass data. The data were subjected to descriptive statistics, so as to generate the mean values and/or sum between the campaigns. Using the correlation coefficient, the extent, sign and significance of the relationship between the response and explanatory variables were evaluated. The direct or indirect effects of the explanatory variables on the response variables were identified by path analysis. There was a significant correlation between microclimate variables and the morphological and biomass variables of the sugarcane, with a strong contribution from the intercepted fraction of the photosynthetically active radiation, the wind speed and soil temperature. The negative correlation with irrigation suggests that excess water impaired the growth dynamics of the crop. It is concluded that the growth of sugarcane is closely related to its capacity to intercept radiation, to the wind, thermal regime of the soil and irrigation management.

https://doi.org/10.1590/1809-4430-eng.agric.v43n6e20230145/2023

14.

Justiça internacional e o regime tributário internacional: uma análise do Acordo Tributário Global
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Santos, Marcelo

Economia e Sociedade

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dec 2023, Volume 32 N. 3 Pages 555 - 578

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract The general framework of economic deregulation, mobility of production factors and digitalization of the economy accelerated the processes of harmful tax competition and aggressive tax planning, increasing the problems related to the determination of tax rights and the sharing of profits among States, and putting into question the rules of the international tax regime. Since the 2008 crisis, this regime has undergone important changes, with emphasis on the Global Tax Agreement, in 2021. Having as a theoretical reference the normative debate around questions of justice in the international tax regime, mainly based on cosmopolitanism and internationalism, this article analyzes this reform process.

Resumo O quadro geral de desregulamentação econômica, de mobilidade dos fatores de produção e de digitalização da economia acelerou os processos de competição fiscal prejudicial e de planejamento tributário agressivo, aumentando os problemas relacionados à determinação dos direitos fiscais e à partilha de lucros entre os Estados, e colocando em causa as regras do regime tributário internacional. Desde a crise de 2008, o referido regime passou por importantes reformas, com destaque para o Acordo Tributário Global, em 2021. Tendo como referência teórica o debate normativo em torno de questões de justiça no regime tributário internacional, principalmente o cosmopolitismo e o internacionalismo, este artigo analisa esse processo de reforma.

https://doi.org/10.1590/1982-3533.2023v32n3art03

15.

Guide for stability evaluation of ammonium nitrate-based emulsions
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Funaki, Amanda Rie

; Lenzi, Marcelo Kaminski

; Santos, Alexandre Ferreira

REM - International Engineering Journal

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dec 2023, Volume 76 N. 4 Pages 353 - 362

Abstract: En | Text: En | PDF: En

Abstract This article aims to compilate stability measurement tests for explosive emulsions (EE), which were developed and used in the last decades. So, it could serve as a stability guide for EEs. The main methodologies to evaluate the condition of the emulsion’s matrix is through microscopy, DLS, viscosity, and rheology, which can preview the stability of a freshly manufactured emulsion within maximum 30 days, since it can undergo physically (centrifugation, compression, and direct contact with water). Thermal tests for (freeze-thaw) can also be performed.

https://doi.org/10.1590/0370-44672023760008

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