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Rheological behavior, hydration, and mechanical properties of LC3 systems with the incorporation of functionalized multi-walled carbon nanotubes
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Silvestro, Laura

; Ruviaro, Artur Spat

; Ribeiro, Francisco Roger Carneiro

; Gleize, Philippe Jean Paul

; Kirchheim, Ana Paula

Revista IBRACON de Estruturas e Materiais

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2024, Volume 17 N. 1 elocation e17106

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

Abstract Alternatives to conventional Portland cement with a more sustainable appeal are increasingly recurrent. Among these are the Limestone Calcined Clay (LC3) systems, characterized by high replacement percentages of Portland clinker by calcined clay and limestone, materials widely available worldwide. A complete understanding of the rheological behavior of LC3 systems is necessary for the practical application of this type of cement to be consolidated. Furthermore, although not yet investigated, the incorporation of nanomaterials stands out as a promising alternative for accelerating reactions and enhancing the mechanical performance of these systems at early ages. This study investigated the incorporation of carbon nanotubes (CNT) contents from 0.05 to 0.125% in an LC3 system through rotational rheometry, isothermal calorimetry, compressive strength at 7 and 28 days, and X-ray diffraction. Although the CNT incorporation increased the dynamic yield stress and equivalent viscosity of the LC3 pastes, the content of 0.1 wt.% slightly increased and anticipated the occurrence of the main peak of the aluminates. Increases of up to 13.5% in compressive strength at 7 and 28 days of hydration were observed for a CNT content of 0.1 wt.%.

Resumo Alternativas ao cimento Portland convencional com apelo mais sustentável são cada vez mais recorrentes. Entre elas estão os sistemas Limestone Calcined Clay (LC3), caracterizados por altos percentuais de substituição do clínquer Portland por argila calcinada e calcário, materiais amplamente disponíveis em todo o mundo. Um completo entendimento do comportamento reológico dos sistemas LC3 é necessário para que a aplicação prática deste tipo de cimento seja consolidada. Além disso, embora ainda não investigada, a incorporação de nanomateriais se destaca como uma alternativa promissora para acelerar reações e melhorar o desempenho mecânico desses sistemas em idades precoces. Este estudo investigou a incorporação de teores de nanotubos de carbono (CNT) de 0,05 a 0,125% em um sistema LC3 por meio de reometria rotacional, calorimetria isotérmica, resistência à compressão aos 7 e 28 dias e difração de raios-X. Embora a incorporação de CNT tenha aumentado a tensão de escoamento e a viscosidade equivalente das pastas LC3, o teor de 0,1% aumentou ligeiramente e antecipou a ocorrência do pico principal dos aluminatos. Aumentos de até 13,5% na resistência à compressão aos 7 e 28 dias de hidratação foram observados para um teor de CNT de 0,1% em massa.

https://doi.org/10.1590/s1983-41952024000100006

Smartphone addiction and postural alterations in the cervical region in adolescents
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Fontenele, Ticiana Mesquita de Oliveira

; Nunes, Paula Pessoa de Brito

; Silva, Francisco Valter Miranda

; Menezes, Catarina Nívea Bezerra

; Andrade, Rodrigo Fragoso de

; Mont’Alverne, Daniela Gardano Bucharles

; Saintrain, Maria Vieira de Lima

; Frota, Mirna Albuquerque

; Abdon, Ana Paula Vasconcellos

Revista Paulista de Pediatria

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2024, Volume 42 elocation e2023051

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

ABSTRACT Objective: To evaluate smartphone addiction and postural alterations in the cervical region in adolescents. Methods: A cross-sectional study with 281 adolescents (15 to 19 years old), attending the 1st to the 3rd grades of High School, carried out between September and October 2019 in the city of Fortaleza, Ceará, Brazil. Data collection took place in two stages. In the first, they answered four self-administered questionnaires: sociodemographic questionnaire, health conditions and smartphone use, Nordic Musculoskeletal Symptom Questionnaire (NMQ), Self-Report Questionnaire (SRQ-20) and the Smartphone Addiction Inventory (SPAI-BR). In the second stage, they were submitted to photogrammetry using the Postural Assessment Software (SAPO) and anthropometric assessment (weight and height). The software SPSS Statistics version 23.0 was used for data analysis. Results: Of the total number of adolescents, 63.3% (n=178) showed smartphone addiction, using it for 5.8 hours (±3.5) during the week and 8.7 (±4.0) hours on the weekend. When analyzing postural alignment in the anterior view, a significant reduction in the lateral head tilt was observed when typing on the smartphone (p=0.002) compared to the anatomical position (baseline). In the lateral view, an increase in head anteriorization was observed during smartphone use (p<0.05). There was an association between smartphone addiction and head anteriorization (p<0.05). Conclusions: The use of the smartphone in the typing position causes postural alterations in the cervical region, especially in adolescents with smartphone addiction. Therefore, health promotion measures that alert adolescents to the adverse effects caused by prolonged smartphone use are necessary.

RESUMO Objetivo: Avaliar a dependência do smartphone e a alteração postural da região cervical em adolescentes. Métodos: Estudo transversal, com 281 adolescentes (15 a 19 anos), que frequentavam da 1ᵃ à 3ᵃ série do ensino médio, realizado entre setembro e outubro de 2019 na cidade de Fortaleza, Ceará, Brasil. A coleta dos dados ocorreu em duas etapas. Na primeira, eles responderam a quatro questionários autoaplicáveis: questionário sociodemográfico, condições de saúde e uso do smartphon e, Questionário Nórdico de Sintomas Musculoesqueléticos (NMQ), Self-Report Questi onnaire (SRQ-20) e o Smartphone A ddiction Inventory (SPAI-BR). Na segunda etapa, foram submetidos a fotogrametria pelo Software de Avaliação Postural (SAPO) e avaliação antropométrica (peso e altura). Para a análise dos dados, foi utilizado o SPSS Statistics versão 23.0. Resultados: Do total, 63,3% (n=178) dos adolescentes apresentaram dependência do smartphone, com o uso de 5,8 horas (±3,5) durante a semana e 8,7 (±4,0) no fim de semana. Ao analisar o alinhamento postural na visão anterior, observou-se redução significativa da inclinação lateral de cabeça ao digitar no smartphon e (p=0,002) comparado à posição anatômica (baseline). Na visão lateral foi constatado aumento da anteriorização de cabeça durante o uso do smartphon e (p<0,05). Houve associação da dependência do smartphone com a anteriorização de cabeça (p<0,05). Conclusões: O uso do smartphone na posição de digitação causa alteração postural na região cervical, destacadamente naqueles que apresentam dependência do dispositivo. Dessa forma, são necessárias medidas de promoção de saúde que alertem os adolescentes sobre os efeitos adversos causados pelo uso prolongado do smartphone.

https://doi.org/10.1590/1984-0462/2024/42/2023051

Evaluation of lymphocyte count, T-cell subsets and neutrophil-to-lymphocyte ratio as early predictors for severity and outcome of COVID-19 disease-a report from a highly complex hospital in Brazil
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Oliveira, Douglas Câmara de

; Spiri, Beatriz Sanada

; Schluga, Yara Carolina

; Justus, Julie Lilian Pimentel

; Lopes Neto, Francisco Diego Negrão

; Azambuja, Ana Paula de

Hematology, Transfusion and Cell Therapy

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sep 2023, Volume 45 N. 3 Pages 330 - 337

Abstract: En | Text: En | PDF: En

ABSTRACT Introduction: Lymphopenia is a laboratory marker of poor prognosis and severity of disease in the SARS-CoV-2 infection. This study aims to describe the immune profile of a Brazilian population. Methods: A total of 121 consecutive patients with severe acute respiratory syndrome (SARS) were analyzed between April and June 2020. Routine peripheral blood counts and multiparametric flow cytometry were performed on admission to assess lymphocytes and subsets (CD3, CD4, CD8). Demographic, clinical and laboratory data were collected from hospital sources. Results: The total of 116 patients included 63 (54.3%) males; 76 (62.8%) COVID-19 patients were divided, based on clinical characteristics and mechanical ventilation (MV) use, into moderate (n = 41; no MV) and severe (n = 35; MV) groups. The control group (n = 40) was comprised of patients with SARS of different etiologies. All patients had lymphopenia, with overall lymphocyte counts and their subsets considerably lower in severe patients, when compared to the moderate and controls. Patients with a high neutrophil-to-lymphocyte ratio (> 15.2) and T-cell lymphopenia (CD3 < 593 cells/μL, CD4 < 326 cells/μL, CD8 < 121 cells/μL) had a higher risk of being intubated and progressing to death. A total of 39 patients (95.1%) in the moderate group and 54.3% (n = 19) in the severe group were discharged; 28 patients died. Conclusion: Laboratory assessment of the neutrophil/lymphocyte ratio and T-cell subsets may be predictive of mortality and may be useful for stratifying COVID-19 patients.

https://doi.org/10.1016/j.htct.2022.05.007

PCR identification of lactic acid bacteria populations in corn silage inoculated with lyophilised or activated Lactobacillus buchneri
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Santos, Ana Paula Maia dos

; Santos, Edson Mauro

; Silva de Oliveira, Juliana

; Garcia Leal de Araújo, Gherman

; de Moura Zanine, Anderson

; Araújo Pinho, Ricardo Martins

; Costa do Nascimento, Thiago Vinicius

; Fernandes Perazzo, Alexandre

; Ferreira, Daniele de Jesus

; da Silva Macedo, Alberto Jefferson

; de Sousa Santos, Francisco Naysson

Revista de la Facultad de Ciencias Agrarias. Universidad Nacional de Cuyo

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jun 2023, Volume 55 N. 1 Pages 115 - 125

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

Resumen Este estudio tuvo como objetivo evaluar el efecto de la inoculación con L. buchneri liofilizado y/o activado sobre las poblaciones de bacterias de ácido láctico en ensilajes de maíz. Los tratamientos experimentales consistieron en ensilaje de maíz sin aditivo y ensilaje con los inoculantes L. buchneri 1 × 10 5 ufc/g, aplicados según las recomendaciones del fabricante (1 g/tonelada de forraje) en las formas de inoculante liofilizado e inoculante preactivado. Se identificaron aislados purificados de ensilajes de maíz con y sin inocu lación, y el 93% de los aislados correspondieron a bacterias de ácido láctico de la especie L. plantarum. Entre los aislados no se detectaron bacterias de la especie L. buchneri. La aplicación de L. buchneri liofilizado o activado en la masa ensilada promueve un aumento considerable de la población de bacterias de ácido lácticas en los ensilajes de maíz durante todo el período de fermentación.

Abstract This study aimed to evaluate the effect of inoculation with lyophilised and/or activated Lactobacillus buchneri on lactic acid bacteria populations in corn silage. Experimental treatments consisted of corn silage without additives or silage with the inoculants of L. buchneri (1 x 10 5 cfu/g) applied according to the manufacturer’s recommendations (1 g/tonne fodder) in the forms of the lyophilised inoculant and pre-activated inoculant. Purified isolates from corn silage with and without the inoculant were identified, and 93% of the isolates corresponded to the lactic acid bacteria of the species Lactobacillus plantarum. Among the isolates, no bacteria of the species L. buchneri were detected. The application of lyophilised or activated L. buchneri improved the microbiological profile and reduced ethanol production in corn silage, even without being identified among the isolates captured 70 days after ensilage.

Production of edible flowers: irrigation and biotechnology
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Gonçalves, Joelma

; Borges Júnior, João Carlos Ferreira

; Souza, Francisco Adriano de

; Silva, Ana Paula Coelho Madeira

; Ferraz, Leila de Castro Louback

Revista Ceres

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mar 2023, Volume 70 N. 2 Pages 1 - 12

Abstract: En | Text: En | PDF: En

ABSTRACT Garden pansy is a versatile gardening plant – it produces beautiful colorful edible-flowers with high value in gourmet cuisine. The use of irrigation and biotechnology in garden pansy cultivation can provide gains in flower productivity and nutritional value. The goal of this study was to evaluate the growth and edible flower production in garden pansy plants, submitted to different levels of irrigation and mycorrhizal inoculation. The experiment was conducted in randomized blocks in the 2 x 5 factorial design, with the presence and absence of mycorrhizal inoculation in combination with 5 levels of irrigation with 6 replicates, in a greenhouse. There was no significant interaction between the factors mycorrhizal inoculation and irrigation levels by the F test. Under the tested conditions, the mycorrhizal inoculation was unable to provide significant changes in the growth, development and flowering of garden pansy plants. It was concluded that no symbiotic efficiency was pointed out between the mycorrhizal fungus used and garden pansy plants. The best growth and yield results for cultivating and producing edible flowers of garden pansy were obtained at the 100% replenishment level of water evaporation.

https://doi.org/10.1590/0034-737x202370020001

Hipertensão em mulheres presas no Brasil: muito além do biológico
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Silva, Paula Negrão da

; Kendall, Carl

; Silva, Ana Zaira da

; Mota, Rosa Maria Salani

; Araújo, Larissa Fortunato

; Pires Neto, Roberto da Justa

; Leal Júnior, Francisco Marto Pinheiro

; Macena, Raimunda Hermelinda Maia

; Kerr, Ligia Regina Franco Sansigolo

Ciência & Saúde Coletiva

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jan 2023, Volume 28 N. 1 Pages 37 - 48

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

Resumo Objetivou-se estimar a prevalência de hipertensão arterial (HA) e os fatores de risco associados em mulheres presas. Utilizou-se dados do Inquérito Nacional de Saúde na População Penitenciária Feminina e em Servidoras Prisionais, investigando-se características sociodemográficas, fatores das prisões, comportamentos e condições de saúde. As informações foram coletadas por meio de questionário autoaplicado, sendo a magnitude da associação estimada por odds ratio e intervalo de confiança de 95%. Das 1.327 participantes, 24,4% eram hipertensas, a maioria tinha 31 anos ou mais (54,6%), 51,5% autorreferiram etnia/cor parda. Após mutual ajustamento pelos fatores de risco associados na análise bivariada, observou-se relação direta e com gradiente entre idade e HA, em que idade igual/maior a 41 anos foi associada independentemente com uma chance sete vezes maior de ter HA, se comparado a quem tem menos de 25 anos. Aquelas que autorreferiram etnia/cor negra apresentaram colesterol alto e estavam obesas, também foram associadas de forma independente com maior prevalência de HA. O maior número de pessoas com que a presa divide cela esteve associado à maior prevalência de há, sem uma relação dose-resposta. Conclui-se que idade, etnia/cor, obesidade, inatividade física e estresse são fatores de risco para HA em mulheres presas.

Abstract The scope was to estimate the prevalence of arterial hypertension (AHT) and associated risk factors among female prisoners. Data from the National Health Survey of the Female Prison Population and Prison Guards were used, investigating sociodemographic variables, prison characteristics, health behaviors and conditions. Information was collected through a self-administered questionnaire, and the magnitude of the association was estimated by the odds ratio and 95% confidence interval. Of the 1,327 prisoner participants, 24.4% were hypertensive, the majority were 31 years of age or older (54.6%), and 51.5% self-reported mixed race. After adjustment for associated risk factors in the bivariate analysis, a direct relationship between age and AHT was observed, in which age equal to/over 41 years was independently associated with a 7-fold greater chance of having AHT, compared to those under 25 years of age. Those who self-reported mixed race, had high cholesterol, were obese and were also independently associated with a higher prevalence of AHT. The greater the number of people with whom the inmate shares a cell was associated with a higher prevalence of AHT, but without a dose-response relationship. The conclusion drawn is that age, race, obesity, physical inactivity and stress are risk factors for AHT in female prisoners.

https://doi.org/10.1590/1413-81232023281.10672022

Hipertensão em mulheres presas no Brasil: muito além do biológico
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Silva, Paula Negrão da

; Kendall, Carl

; Silva, Ana Zaira da

; Mota, Rosa Maria Salani

; Araújo, Larissa Fortunato

; Pires Neto, Roberto da Justa

; Leal Júnior, Francisco Marto Pinheiro

; Macena, Raimunda Hermelinda Maia

; Kerr, Ligia Regina Franco Sansigolo

Ciência & Saúde Coletiva

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jan 2023, Volume 28 N. 1 Pages 37 - 48

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

https://doi.org/10.1590/1413-81232023281.10672022

Análise do efeito da incorporação de nanopartículas de ZnO nas propriedades físicas e mecânicas de painéis MDF
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Campos, Cristiane Inácio

; Silva, Ana Paula Santos

; Aquino, Vinicius Borges de Moura

; Christoforo, André Luis

; Lahr, Francisco Antonio Rocco

Ambiente Construído

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jan 2023, Volume 23 N. 1 Pages 171 - 182

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

Resumo O painel MDF pode sofrer mudanças dimensionais, o que compromete seu desempenho. Uma forma de melhorar o desempenho do painel é incorporar nanopartículas. A presente pesquisa estudou o efeito do uso de nanopartículas de óxido de zinco em diferentes teores (0%, 0,5% e 1,0%) em painéis MDF fabricados com resina ureia-formaldeído (UF), resina melamina-formaldeído (MF) e fibras de Eucalyptusgrandis. Também avaliou o uso de modelos de regressão para estimar propriedades físicas e mecânicas em função do adesivo utilizado e do teor de ZnO incorporado. Os tratamentos com resina MF apresentaram melhor desempenho quando comparados com os tratamentos que utilizaram adesivo UF. O teor ótimo para adição de nanopartículas foi o de 0,5%. O teor de 1,0% levou ao aumento no teor de umidade, ao inchamento e à diminuição dos valores de MOR e MOE, o que pode ser justificado pela cura acelerada e pelo superaquecimento das camadas externas, prejudicando a cura das camadas interiores. O modelo com maior precisão foi o estimador da densidade aparente, sendo os fatores resina, ZnO e interação significativos.

Abstract MDF panels can undergo dimensional changes, compromising their performance. One way to improve the performance of the panel is to incorporate nanoparticles. This study analysed the effect of using zinc oxide nanoparticles at different levels (0%, 0.5% and 1.0%) in MDF panels manufactured with urea-formaldehyde (UF) resin, melamine-formaldehyde resin (MF) and Eucalyptus grandis fibres. It also evaluated the use of regression models to estimate physical and mechanical properties as a function of the adhesive used and the content of incorporated ZnO. Treatments using MF resin presented a better performance than treatments using UF adhesive. The optimal content of nanoparticles addition was 0.5%. The 1.0% content led to an increase in moisture content, swelling and a decrease in MOR and MOE values, possibly caused by an accelerated curing and overheating of the outer layers, affecting the curing of the inner layers. The most accurate model was the bulk density estimator, with resin, ZnO and interaction factors being the most significant.

https://doi.org/10.1590/s1678-86212023000100656

Seroprevalence of SARS-CoV-2 antibodies in schoolchildren in the city of São Paulo, 2020
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Kamioka, Gabriela Akemi

; Madalosso, Geraldine

; Albuquerque, José Olimpio Moura de

; Costa, Selma Anequini

; Ferreira, Paula Bisordi

; Sato, Ana Paula Sayuri

; Glasser, Paula Regina

; Pino, Francisco Alberto

; Burihan, Patrícia Carla Piragibe Ramos

; Carvalho, Ana Carolina Aguiar de

; Amorim, Ana Beatriz Pagliaro

; Cavazzana, Cinthya Luzia

; Aires, Caroline Cotrim

; Kataoka, Ana Paula Arruda Geraldes

; Savani, Elisa San Martin Mouriz

; Bessa, Thirsa Alvares Franco

; Aguiar, Breno Souza de

; Failla, Marcelo Antunes

; Santos, Edson Aparecido dos

; Brito, Edjane Maria Torreão

; Santos, Maria Cristina Honório dos

; Caldeira, Luiz Artur Vieira

; Silva, Solange Maria Saboia e

; Zamarco, Luiz Carlos

; Fonseca, Sandra Maria Sabino

; Lima, Marcia Maria de Cerqueira

; Marques, Ivanilda Argenau

; Mauro, Athenê Maria de Marco França

; Masi, Eduardo de

Revista de Saúde Pública

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2023, Volume 57 Suppl. 1 elocation 6s

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

RESUMO OBJETIVO Estimar a soroprevalência de anticorpos do vírus SARS-CoV-2 em escolares de quatro a 14 anos de idade residentes no município de São Paulo, segundo variáveis clínicas, demográficas, epidemiológicas e sociais, durante o período de fechamento das escolas como medida de controle da covid-19. MÉTODOS Realizou-se um inquérito sorológico em setembro de 2020 com amostra aleatória estratificada por tipo de rede de ensino (pública municipal, pública estadual e privada). Foi coletada amostra de sangue venoso utilizando-se o teste de imunoensaio de fluxo lateral da fabricante Wondfo para detecção de anticorpos totais contra o vírus SARS-CoV-2. Aplicaram-se questionários semiestruturados para o levantamento de dados clínicos, demográficos, sociais e epidemiológicos. RESULTADOS A soroprevalência de anticorpos do vírus SARS-CoV-2 em escolares foi de 16,6% (IC95% 15,4–17,8). O estudo encontrou soroprevalências mais elevadas na rede pública municipal (18,5%; IC95% 16,6–20,6) e estadual (16,2%; IC95% 14,4–18,2) em relação à rede privada (11,7; IC95% 10,0–13,7) e entre escolares da raça/cor preta e parda (18,4%; IC95% 16,8–20,2) e no estrato social mais vulnerável (18,5%; IC95% 16,9–20,2). A pesquisa identificou menores soroprevalências nos escolares que relataram seguir as medidas recomendadas de proteção contra a covid-19. CONCLUSÃO A soroprevalência de anticorpos contra o vírus SARS-CoV-2 atinge principalmente os escolares socialmente mais vulneráveis. Este estudo pode contribuir para embasar políticas públicas que reforcem a importância da suspensão das aulas presenciais e da necessidade de estratégias de medidas de proteção e acompanhamento do status sorológico daqueles que ainda não foram contemplados no calendário vacinal.

ABSTRACT OBJECTIVE To estimate seroprevalence of SARS-CoV-2 antibodies in schoolchildren aged 4 to 14 years living in the city of São Paulo, according to clinical, demographic, epidemiological, and social variables, during the school closure period as a measure against covid-19 spread. METHODS A serological survey was made in September 2020 with a random sample stratified by school system (municipal public, state public and private) type. A venous blood sample was collected using the Wondfo SARS-CoV-2 Antibody Test (lateral flow method) for detection of total SARS-CoV-2 virus antibodies. Semi-structured questionnaires were applied to collect clinical, demographic, social, and epidemiological data. RESULTS Seroprevalence of SARS-CoV-2 antibodies in schoolchildren was of 16.6% (95%CI 15.4–17.8). The study found higher seroprevalence in the municipal (18.5%; 95%CI 16.6–20.6) and state (16.2%; 95%CI 14.4–18.2) public school systems compared to the private school system (11.7; 95%CI 10.0–13.7), among black and brown students (18.4%; 95%CI 16.8–20.2) and in the most vulnerable social stratum (18.5 %;95%CI 16.9–20.2). Lower seroprevalence was identified in schoolchildren who reported following the recommended protective measures against covid-19. CONCLUSION Seroprevalence of SARS-CoV-2 antibodies is found mainly in the most socially vulnerable schoolchildren. This study can contribute to support public policies that reinforce the importance of suspending face-to-face classes and developing strategies aimed at protective measures and monitoring of the serological status of those who have not yet been included in the vaccination schedule.

https://doi.org/10.11606/s1518-8787.2023057004782

10.

Antimicrobial and Cytotoxic Bioprospection of Thymus vulgaris and Thymol Against Salmonella enterica Serovar Heidelberg Isolated in Broiler Chicken
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Sperandio, Jhonatan

; Bastos, Ana Paula Almeida

; Fonseca, Francisco Noé da

; Bellaver, Franciana Aparecida Volpato

; Bello, Thais Carla Dal

; Kuhnen, Shirley

; Millezi, Alessandra Farias

Brazilian Archives of Biology and Technology

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2023, Volume 66 elocation e220210502

Abstract: En | Text: En | PDF: En

Abstract Salmonella enterica serovar Heidelberg (SH), often isolated from broiler chicken samples, damages the entire production chain due to its high resistance in the environment. The search for sustainable disinfectant agents has intensified, focusing on the action of essential oils. This work's objective was to evaluate the in vitro, effect of Thymus vulgaris essential oil (TEO) and thymol in SH isolated from broilers, and the cytotoxicity in animal cells. Four different concentrations of TEO (0.1%, 0.2%, 0.4%, and 0.8%, (v/v)) were used against five SH isolates obtained from broilers and ATCC 8326. Thymol was evaluated at the concentrations of 0.023%, 0.047%, 0.071%, and 0.094% (v/v). In vitro antibacterial assays were performed by quantifying viable planktonic cells in the broth microdilution test. The MTT technique was used to assess the cytotoxicity in IEC-6 intestinal cells and NCTC fibroblasts. IC50 was assessed testing the concentrations of 0.0625%, 0.125%, 0.25%, and 0.5% of TEO and thymol in 24 hours. The bacterial activity was observed from the 0.2% concentration of TEO since no colony-forming units were observed. Thymol in the concentration of 0.094% controlled 83.33% of the bacteria. TEO presented an IC50 of 0.14% and 1.22%, while the IC50 for thymol was 0.068% and 0.001% for the IEC-6 and NCTC cells, respectively. On the other hand, TEO showed low cytotoxicity in fibroblasts and a potential action capacity to eliminate SH strains in vitro.

https://doi.org/10.1590/1678-4324-2023210502

11.

Posicionamento Brasileiro sobre Síndrome da Quilomicronemia Familiar – 2023
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Izar, Maria Cristina de Oliveira

; Santos Filho, Raul Dias dos

; Assad, Marcelo Heitor Vieira

; Chagas, Antonio Carlos Palandri

; Toledo Júnior, Alceu de Oliveira

; Nogueira, Ana Cláudia Cavalcante

; Souto, Ana Cristina Carneiro Fernandes

; Lottenberg, Ana Maria

; Chacra, Ana Paula Marte

; Ferreira, Carlos Eduardo dos Santos

; Lourenço, Charles Marques

; Valerio, Cynthia Melissa

; Cintra, Dennys Esper

; Fonseca, Francisco Antonio Helfenstein

; Campana, Gustavo Aguiar

; Bianco, Henrique Tria

; Lima, Josivan Gomes de

; Castelo, Maria Helane Costa Gurgel

; Scartezini, Marileia

; Moretti, Miguel Antonio

; Barreto, Natasha Slhessarenko Fraife

; Maia, Rayana Elias

; Montenegro Junior, Renan Magalhães

; Alves, Renato Jorge

; Figueiredo, Roberta Marcondes Machado

; Fock, Rodrigo Ambrosio

; Martinez, Tânia Leme da Rocha

; Giraldez, Viviane Zorzanelli Rocha

Arquivos Brasileiros de Cardiologia

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2023, Volume 120 N. 4 elocation e20230203

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

https://doi.org/10.36660/abc.20230203

12.

Seroprevalence of SARS-CoV-2 antibodies in schoolchildren in the city of São Paulo, 2020
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Kamioka, Gabriela Akemi

; Madalosso, Geraldine

; Albuquerque, José Olimpio Moura de

; Costa, Selma Anequini

; Ferreira, Paula Bisordi

; Sato, Ana Paula Sayuri

; Glasser, Paula Regina

; Pino, Francisco Alberto

; Burihan, Patrícia Carla Piragibe Ramos

; Carvalho, Ana Carolina Aguiar de

; Amorim, Ana Beatriz Pagliaro

; Cavazzana, Cinthya Luzia

; Aires, Caroline Cotrim

; Kataoka, Ana Paula Arruda Geraldes

; Savani, Elisa San Martin Mouriz

; Bessa, Thirsa Alvares Franco

; Aguiar, Breno Souza de

; Failla, Marcelo Antunes

; Santos, Edson Aparecido dos

; Brito, Edjane Maria Torreão

; Santos, Maria Cristina Honório dos

; Caldeira, Luiz Artur Vieira

; Silva, Solange Maria Saboia e

; Zamarco, Luiz Carlos

; Fonseca, Sandra Maria Sabino

; Lima, Marcia Maria de Cerqueira

; Marques, Ivanilda Argenau

; Mauro, Athenê Maria de Marco França

; Masi, Eduardo de

Revista de Saúde Pública

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2023, Volume 57 elocation 6s

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

https://doi.org/10.11606/s1518-8787.2023057004782

13.

Acinic cell carcinoma of the oral and maxillofacial region: an international multicenter study
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KIRSCHNICK, Laura Borges

; SILVEIRA, Felipe Martins

; SCHUCH, Lauren Frenzel

; VASCONCELOS, Ana Carolina Uchoa

; GOMES, Ana Paula

; SANTOS, Jean Nunes dos

; SANTANA, Dandara Andrade

; FONSECA, Felipe Paiva

; MESQUITA, Ricardo Alves

; MENDONÇA, Elismauro Francisco de

; SOUSA-NETO, Sebastião Silvério

; PONTES, Hélder Antônio Rebelo

; ROBINSON, Liam

; HEERDEN, Willie van

; CARLOS-BREGNI, Román

; TAGER, Elena María José Román

; SILVA, Luan César da

; ZANELLA, Virgílio Gonzales

; RIVERO, Luis Fernando

; BITTENCOURT, Raquel

; MARTINS, Marco Antonio Trevizani

; LOPES, Márcio Ajudarte

; WAGNER, Vivian Petersen

; VARGAS, Pablo Agustin

; MARTINS, Manoela Domingues

Brazilian Oral Research

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2023, Volume 37 elocation e050

Abstract: En | Text: En | PDF: En

Abstract The aim of this study was to describe the prevalence, clinicopathological, and prognostic features of acinic cell carcinoma (AciCC) of the oral and maxillofacial region. AciCC cases were retrospectively retrieved from 11 pathology centers of three different countries. Medical records were examined to extract demographic, clinical, pathologic, and follow-up information. A total of 75 cases were included. Females (65.33%) with a mean age of 45.51 years were mostly affected. The lesions usually presented as an asymptomatic (64.28%) nodule (95.66%) in the parotid gland (70.68%). The association of two histopathological patterns was the most common finding (48.93%) and the tumors presented mainly conventional histopathological grades (86.11%). Surgical treatment was performed in the majority of the cases (59.19%). Local recurrence was observed in 20% of the informed cases, regional metastasis in 30.43%, and distant metastasis in 12.50%. The statistical analysis showed that the cases with a solid histopathological pattern (p=0.01), high-grade transformation (p=0.008), recurrence (p=0.007), and regional metastasis (p=0.03) were associated with poor survival. In conclusion, high histopathological transformation, presence of nodal metastasis, and recurrence were prognostic factors for AciCC of the oral and maxillofacial region.

https://doi.org/10.1590/1807-3107bor-2023.vol37.0050

14.

Recommendations for the Screening of Breast Cancer of the Brazilian College of Radiology and Diagnostic Imaging, Brazilian Society of Mastology and Brazilian Federation of Gynecology and Obstetrics Association
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Urban, Linei Augusta Brolini Delle

; Chala, Luciano Fernandes

; Paula, Ivie Braga de

; Bauab, Selma di Pace

; Schaefer, Marcela Brisighelli

; Oliveira, Ana Lúcia Kefalás

; Shimizu, Carlos

; Oliveira, Tatiane Mendes Gonçalves de

; Moraes, Paula de Camargo

; Miranda, Beatriz Medicis Maranhão

; Aduan, Flávia Engel

; Rego, Salete de Jesus Fonseca

; Canella, Ellyete de Oliveira

; Couto, Henrique Lima

; Badan, Gustavo Machado

; Francisco, José Luis Esteves

; Moraes, Thaís Paiva

; Jakubiak, Rosangela Requi

; Peixoto, João Emílio

Revista Brasileira de Ginecologia e Obstetrícia

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2023, Volume 45 N. 8 Pages 480 - 488

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

Abstract Objective To present the update of the recommendations of the Brazilian College of Radiology and Diagnostic Imaging, the Brazilian Society of Mastology and the Brazilian Federation of Associations of Gynecology and Obstetrics for breast cancer screening in Brazil. Methods Scientific evidence published in Medline, EMBASE, Cochrane Library, EBSCO, CINAHL and Lilacs databases between January 2012 and July 2022 was searched. Recommendations were based on this evidence by consensus of the expert committee of the three entities. Recommendations Annual mammography screening is recommended for women at usual risk aged 40–74 years. Above 75 years, it should be reserved for those with a life expectancy greater than seven years. Women at higher than usual risk, including those with dense breasts, with a personal history of atypical lobular hyperplasia, classic lobular carcinoma in situ, atypical ductal hyperplasia, treatment for breast cancer or chest irradiation before age 30, or even, carriers of a genetic mutation or with a strong family history, benefit from complementary screening, and should be considered individually. Tomosynthesis is a form of mammography and should be considered in screening whenever accessible and available.

Resumo Objetivo Apresentar a atualização das recomendações do Colégio Brasileiro de Radiologia e Diagnóstico por Imagem da Sociedade Brasileira de Mastologia e da Federação Brasileira das Associações de Ginecologia e Obstetrícia para o rastreamento do câncer de mama no Brasil. Métodos Foram pesquisadas evidências científicas publicadas nas bases de dados Medline EMBASE Biblioteca Cochrane EBSCO CINAHL e Lilacs entre janeiro de 2012 e julho de 2022. As recomendações foram baseadas nessas evidências por consenso do comitê de especialistas das três entidades. Recomendações A mamografia anual é recomendada para mulheres com risco habitual entre 40 e 74 anos. Acima de 75 anos deve ser reservado para aqueles com expectativa de vida superior a sete anos. Mulheres com risco maior do que o normal incluindo aquelas com mamas densas com história pessoal de hiperplasia lobular atípica carcinoma lobular in situ clássico hiperplasia ductal atípica tratamento para câncer de mama ou irradiação de tórax antes dos 30 anos ou ainda portadoras de doença genética mutação ou com forte histórico familiar beneficiam-se de triagem complementar e devem ser considerados individualmente. A tomossíntese é uma forma de mamografia e deve ser considerada na triagem sempre que acessível e disponível.

https://doi.org/10.1055/s-0043-1772498

15.

Recommendations for breast cancer screening in Brazil, from the Brazilian College of Radiology and Diagnostic Imaging, the Brazilian Society of Mastology, and the Brazilian Federation of Gynecology and Obstetrics Associations
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Urban, Linei Augusta Brolini Delle

; Chala, Luciano Fernandes

; Paula, Ivie Braga de

; Bauab, Selma di Pace

; Schaefer, Marcela Brisighelli

; Oliveira, Ana Lúcia Kefalás

; Shimizu, Carlos

; Oliveira, Tatiane Mendes Gonçalves de

; Moraes, Paula de Camargo

; Miranda, Beatriz Medicis Maranhão

; Aduan, Flávia Engel

; Rego, Salete de Jesus Fonseca

; Canella, Ellyete de Oliveira

; Couto, Henrique Lima

; Badan, Gustavo Machado

; Francisco, José Luis Esteves

; Moraes, Thaís Paiva

; Jakubiak, Rosangela Requi

; Peixoto, João Emílio

Radiologia Brasileira

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2023, Volume 56 N. 4 Pages 207 - 214

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

Abstract Objective: To present an update of the recommendations of the Brazilian College of Radiology and Diagnostic Imaging, the Brazilian Society of Mastology, and the Brazilian Federation of Gynecology and Obstetrics Associations for breast cancer screening in Brazil. Materials and Methods: Scientific evidence published between January 2012 and July 2022 was gathered from the following databases: Medline (PubMed); Excerpta Medica (Embase); Cochrane Library; Ebsco; Cumulative Index to Nursing and Allied Health Literature (Cinahl); and Latin-American and Caribbean Health Sciences Literature (Lilacs). Recommendations were based on that evidence and were arrived at by consensus of a joint committee of experts from the three entities. Recommendations: Annual mammographic screening is recommended for women between 40 and 74 years of age. For women at or above the age of 75, screening should be reserved for those with a life expectancy greater than seven years. Women at higher than average risk are considered by category: those with dense breasts; those with a personal history of atypical lobular hyperplasia, classical lobular carcinoma in situ, or atypical ductal hyperplasia; those previously treated for breast cancer; those having undergone thoracic radiotherapy before age 30; and those with a relevant genetic mutation or a strong family history. The benefits of complementary screening are also addressed according to the subcategories above. The use of tomosynthesis, which is an evolved form of mammography, should be considered in screening, whenever accessible and available.

Resumo Objetivo: Apresentar a atualização das recomendações do Colégio Brasileiro de Radiologia e Diagnóstico por Imagem, da Sociedade Brasileira de Mastologia e da Federação Brasileira das Associações de Ginecologia e Obstetrícia para o rastreamento do câncer de mama no Brasil. Materiais e Métodos: Foram feitas buscas das evidências científicas publicadas nas bases Medline (PubMed), Excerpta Medica (Embase), Cochrane Library, Ebsco, Cinahl e Lilacs, entre janeiro de 2012 e julho de 2022. As recomendações foram baseadas nessas evidências, mediante consenso da comissão de especialistas das três entidades. Recomendações: O rastreamento mamográfico anual é recomendado para as mulheres de risco habitual entre 40 e 74 anos. Acima de 75 anos deve ser reservado para as que tenham expectativa de vida maior que sete anos. Mulheres com risco maior que o habitual, entre elas as com mamas densas, com história pessoal de hiperplasia lobular atípica, carcinoma lobular in situ clássico, hiperplasia ductal atípica, tratamento de câncer de mama ou de irradiação no tórax antes dos 30 anos, ou ainda portadoras de mutação genética ou com forte história familiar, se beneficiam do rastreamento complementar, sendo consideradas de forma individualizada. A tomossíntese é uma evolução da mamografia e deve ser considerada no rastreamento, sempre que acessível e disponível.

https://doi.org/10.1590/0100-3984.2023.0064-en

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