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Abstract The pathogenesis of systemic lupus erythematosus (SLE) is complex. Few studies in Brazilian population have addressed cell phenotypes associated with immunological responses and their associations with SLE activity. The aim of this study is to investigate cell phenotypes associated to SLE diagnosis, treatment and activity. Twenty-eight SLE female patients (17 inactive, 11 active) and 10 healthy women were included in this study. Markers of natural killer (Nk), T and B cells in peripheral blood were evaluated by flow cytometry. Nkt cells were decreased only in SLE active patients. Activated CD4+, regulatory T FoxP3+ and B cells were decreased in both active and inactive SLE patients, compared to control group. The data corroborate the disruption of immune regulatory response in SLE patients and suggest phenotipic changes as possible biomarkers of SLE activity.

https://doi.org/10.1590/s2175-97902023e20052

The SISBIOTA-Diptera Brazilian Network: A long-term survey of Diptera from unexplored Brazilian Western Arc of Amazon, Cerrado, and Pantanal
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Lamas, Carlos José Einicker

; Fachin, Diego Aguilar

; Falaschi, Rafaela Lopes

; Alcantara, Daniel Máximo Correa de

; Ale-Rocha, Rosaly

; Amorim, Dalton de Souza

; Araújo, Maíra Xavier

; Ascendino, Sharlene

; Baldassio, Letícia

; Bellodi, Carolina Ferraz

; Bravo, Freddy

; Calhau, Julia

; Capellari, Renato Soares

; Carmo-Neto, Antonio Marcelino do

; Cegolin, Bianca Melo

; Couri, Márcia Souto

; Carvalho, Claudio José Barros de

; Dios, Rodrigo de Vilhena Perez

; Falcon, Aida Vanessa Gomez

; Fusari, Livia Maria

; Garcia, Carolina de Almeida

; Gil-Azevedo, Leonardo Henrique

; Gomes, Marina Morim

; Graciolli, Gustavo

; Gudin, Filipe Macedo

; Henriques, Augusto Loureiro

; Krolow, Tiago Kütter

; Mendes, Luanna Layla

; Limeira-de-Oliveira, Francisco

; Maia, Valéria Cid

; Marinoni, Luciane

; Mello, Ramon Luciano

; Mello-Patiu, Cátia Antunes de

; Morales, Mírian Nunes

; Oliveira, Sarah Siqueira

; Patiu, Claudemir

; Proença, Barbara

; Pujol-Luz, Cristiane Vieira de Assis

; Pujol-Luz, José Roberto

; Rafael, José Albertino

; Riccardi, Paula Raile

; Rodrigues, João Paulo Vinicios

; Roque, Fabio de Oliveira

; Sallum, Maria Anice Mureb

; Santis, Marcelo Domingos de

; Santos, Charles Morphy Dias dos

; Santos, Josenilson Rodrigues dos

; Savaris, Marcoandre

; Shimabukuro, Paloma Helena Fernandes

; Silva, Vera Cristina

; Schelesky-Prado, Daniel de Castro

; Silva-Neto, Alberto Moreira da

; Camargo, Alexssandro

; Sousa, Viviane Rodrigues de

; Urso-Guimarães, Maria Virginia

; Wiedenbrug, Sofia

; Yamaguchi, Carolina

; Nihei, Silvio Shigueo

Revista Brasileira de Entomologia

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2023, Volume 67 N. 4 elocation e20230051

Abstract: En | Text: En | PDF: En

ABSTRACT The SISBIOTA-BRASIL was a three-year multimillion-dollar research program of the Brazilian government to document plants and animals in endangered/understudied areas and biomes in Brazil. Distributional patterns and the historical events that generated them are extensively unknown regarding Brazilian fauna and flora. This deficiency hinders the development of conservation policies and the understanding of evolutionary processes. Conservation decisions depend on precise knowledge of the taxonomy and geographic distribution of species. Given such a premise, we proposed to research the diversity of Diptera of the Brazilian western arc of Amazon, Cerrado, and Pantanal in the states of Mato Grosso, Mato Grosso do Sul, and Rondônia. Three important biomes of the South American continent characterize these Brazilian states: Amazon forest, Cerrado (Brazilian Savannah), and Pantanal. Besides their ecological relevance, these biomes historically lack intensive entomological surveys. Therefore, they are much underrepresented in the Brazilian natural history collections and in the scientific literature, which is further aggravated by the fact that these areas are being exponentially and rapidly converted to commercial lands. Our project involved over 90 collaborators from 24 different Brazilian institutions and one from Colombia among researchers, postdocs, graduate and undergraduate students, and technicians. We processed and analyzed nearly 300,000 specimens from ~60 families of Diptera collected with a large variety of methods in the sampled areas. Here, we provide a detailed overview of the genera and species diversity of 41 families treated. Our results point to a total of 2,130 species and 514 genera compiled and identified for the three states altogether, with an increase of 41% and 29% in the numbers of species and genera known for the three states combined, respectively. Overall, the 10 most species-rich families were Tachinidae, Cecidomyiidae, Tabanidae, Psychodidae, Sarcophagidae, Stratiomyidae, Bombyliidae, Syrphidae, Tephritidae, and Asilidae. The 10 most diverse in the number of genera were Tachinidae, Stratiomyidae, Asilidae, Mycetophilidae, Syrphidae, Tabanidae, Muscidae, Dolichopodidae, Sarcophagidae, and Chloropidae. So far, 111 scientific papers were published regarding taxonomic, phylogenetic, and biogeographical aspects of the studied families, with the description of 101 new species and three new genera. We expect that additional publications will result from this investigation because several specimens are now curated and being researched by specialists.

https://doi.org/10.1590/1806-9665-rbent-2023-0051

Relationship between functional classification, upper extremity muscle strength, and agility in wheelchair rugby athletes
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Silva, Matheus Emiliano

; Ferreira, Gustavo Nunes Tasca

; Stieler, Eduardo

; Guerreiro, Renato de Carvalho

; Mello, Marco Tulio de

; Silva, Andressa

Fisioterapia e Pesquisa

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2023, Volume 30 elocation e22002623en

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

ABSTRACT This study aimed to compare the strength and agility of wheelchair rugby (WR) athletes with different functional classifications (FC) and describe the relationship between agility and upper extremity isometric muscle strength (IMS). A total of 10 WR athletes were analyzed, divided into two groups: Group 1 (G1): FC 0.5 and 1.0; and Group 2(G2): FC 1.5 to 2.5. IMS was evaluated by a dynamometer, and agility by a zig-zag test. Spearman’s correlation was used to describe the relationship between IMS and performance on the agility test. In contrast, the t-test was used to compare strength and agility between different FCs (p≤0.05). Shoulder extensor IMS was higher in G2 athletes (p=0.001; d=3.10), which were also more agile than G1 athletes (G1=23.66s>G2=17.55s; p=0.015; d=2.00). Both groups showed a correlation between bilateral shoulder extensor strength and agility (r=−0.721; p=0.019). Athletes with high FC scores are more agile than athletes with low scores and, therefore, have greater movement speed when performing WR tasks. Greater shoulder extensor muscle strength is associated with greater agility in WR athletes.

RESUMEN El objetivo de este estudio fue comparar la fuerza y la agilidad de los deportistas de rugby en silla de ruedas (RSR) desde diferentes clasificaciones funcionales (CF), así como describir la relación entre la agilidad y la fuerza muscular isométrica (FMI) de las extremidades superiores. Se evaluaron a diez deportistas RSR en dos grupos: Grupo 1 (G1): CF 0,5 y 1,0; y Grupo 2 (G2): CF 1,5 a 2,5. En la evaluación de la FMI se utilizó la dinamometría; y en la evaluación de la agilidad, la prueba de zigzag. La correlación de Spearman se utilizó para describir la relación entre la FMI y el rendimiento en la prueba de agilidad, mientras que la prueba t se utilizó para comparar la fuerza y la agilidad entre las diferentes CF (p≤0,05). La FMI de los extensores del hombro fue mayor en el G2 (p=0,001; d=3,10), y este también fue más ágil que el G1 (G1=23,66s>G2=17,55s; p=0,015; d=2,00). Hubo una correlación entre la fuerza muscular bilateral de los extensores del hombro y la agilidad en ambos grupos (r=−0,721; p=0,019). Los deportistas con altas puntuaciones de CF fueron los más ágiles en comparación con aquellos con bajas puntuaciones, por lo tanto, se constata que tienen una mayor velocidad de desplazamiento en la realización de tareas de RSR. Una mayor fuerza muscular de los extensores de hombro se asocia con una mayor agilidad en los deportistas RSR.

RESUMO O objetivo do estudo foi comparar a força e a agilidade de atletas do rúgbi em cadeira de rodas (RCR) por meio de diferentes classificações funcionais (CFs), bem como descrever a relação da agilidade com a força muscular isométrica (FMI) de membros superiores. Foram analisados 10 atletas de RCR, divididos em dois grupos: Grupo 1 (G1): CF 0,5 e 1,0; e Grupo 2 (G2): CF 1,5 a 2,5. A FMI foi avaliada pela dinamometria, e a agilidade pelo teste em ziguezague. A correlação de Spearman foi utilizada para descrever a relação entre a FMI e o desempenho no teste de agilidade, enquanto o teste t foi usado para comparar a força e a agilidade entre as diferentes CFs (p≤0,05). A FMI dos extensores do ombro foi maior no G2 (p=0,001; d=3,10), que também se mostrou mais ágil que o G1 (G1=23,66s>G2=17,55s; p=0,015; d=2,00). Verificou-se a correlação entre força muscular bilateral de extensores de ombro e agilidade em ambos os grupos (r=−0,721; p=0,019). Atletas com pontuação alta na CF são mais ágeis comparados a atletas com pontuações baixas e, portanto, apresentam maior velocidade de deslocamento ao executar as tarefas do RCR. Maior força muscular dos extensores de ombro é associada à maior agilidade em atletas do RCR.

https://doi.org/10.1590/1809-2950/e22002623en

Use of Chlorhexidine Bioadhesive Gel to Reduce Infection and Discomfort in Alveolar Bone Graft Wound: A Randomized Pilot Study
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da Fonseca Orcina, Bernardo

; Medeiros Battistetti, Marcelo

; de Almeida Barbosa Mello, Marina

; Faria Yaedú, Renato Yassutaka

; da-Silva-Santos, Paulo Sérgio

International journal of odontostomatology

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sep 2022, Volume 16 N. 3 Pages 359 - 363

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

ABSTRACT: The objective of this study was to analyze the inflammation index, edema, bacterial plaque presence and postoperative discomfort, with the use of chlorhexidine gel. This is a randomized double-blinded pilot study, with 21 unilateral cleft lip and palate individuals, randomized into 2 groups: Test Group (TG), with 7 individuals who used 0.2 % chlorhexidine bioadhesive gel in the surgical wound after the bone graft; and Control Group (CG) with 14 individuals who used a placebo gel as the same way. The gel was applied on the surgical wound suture after alveolar bone graft. The evaluation criteria of the gel application effectiveness were the visual analogue scale (VAS) for pain control and/or discomfor t and clinical evaluation of inflammatory condition and/or wound infection. The study showed promising results for postoperativel y use of the chlorhexidine gel, although there was no statistically significant difference between the groups.

RESUMEN: El objetivo de este estudio fue analizar el índice de inflamación, edema, presencia de placa bacteriana y molestias postoperatorias, con el uso del gel de clorhexidina. Se trata de un estudio piloto aleatorizado, doble ciego, con 21 individuos con fisura labial y palatina unilateral, aleatorizados en 2 grupos: Grupo Test (GT), con 7 individuos que utilizaron gel bioadhesivo de clorhexidina al 0,2 % en la herida quirúrgica posterior al injerto óseo; y Grupo Control (GC) con 14 individuos que usaron un gel placebo de la misma forma. El gel se aplicó sobre la sutura de la herida quirúrgica después del injerto óseo alveolar. Los criterios de evaluación de la efectividad de la aplicación del gel fueron la escala analógica visual (EVA) para el control del dolor y/o malestar y la evaluación clínica del estado inflamatorio y/o infección de la herida. El estudio mostró resultados positivos para el uso posoperatorio del gel de clorhexidina, aunque no hubo diferencias estadísticamente significativas entre los grupos.

Effect of Paralympic powerlifting training on sleep and its relationship with training load
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Stieler, Eduardo

; Silva, Flávia R.

; Grade, Isadora

; Andrade, Henrique A.

; Guerreiro, Renato C.

; Resende, Renan

; Andrade, André G.

; Gonçalves, Dawit A.

; Santos, Marcelo D.M.

; Silva, Andressa

; Mello, Marco T.

Motriz: Revista de Educação Física

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2022, Volume 28 elocation e10220016321

Abstract: En | Text: En | PDF: En

Abstract Aim: This study aims to compare the sleep parameters in Paralympic powerlifting athletes during days with and without training, and to analyze the relationship between the training load and sleep on the same day and the relationship between the previous night's sleep and the training load of the following day. Methods: Actigraphy was used to analyze the sleep parameters of 11 Paralympic powerlifting athletes for 14 days (7 days without and with training), whereas Ratings of Perceived Exertion (RPE) analysis was used to assess training load. In addition, the Horne and östberg chronotype questionnaire and the Epworth Sleepiness Scale were applied. Results: Athletes show morning and indifferent chronotype and low daytime sleepiness. We found that on training days, sleep onset latency (SOL) was lower (average 5.3 min faster), whereas total sleep time (TST) and sleep efficiency (SE) were higher (TST averaged 169 min and SE 7% higher) compared to non-training days. In addition, the TST of the night before the training days correlated positively with the RPE of the following day, and the training volume correlated negatively with the SE of the same day. Conclusion: Our findings show that Paralympic powerlifting training had positive effects in increasing TST and SE and decreasing SOL on training days. These results show the positive effects of this type of training in improving sleep in athletes with physical disabilities. In addition, a good night's sleep the day before training can make it possible to put more effort into the next day's training. Therefore, guiding athletes to sleep more before training with more intense loads is recommended.

https://doi.org/10.1590/s1980-657420220016321

Characterization of primary direct-acting antiviral (DAA) drugs resistance mutations in NS5A/NS5B regions of hepatitis C virus with genotype 1a and 1b from patients with chronic hepatitis
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Santos, Ana Paula de Torres

; Silva, Vanessa Cristina Martins

; Mendes-Corrêa, Maria Cássia

; Lemos, Marcilio Figueiredo

; Malta, Fernanda de Mello

; Santana, Rúbia Anita Ferraz

; Dastoli, Gregório Tadeu Fernando

; Castro, Vanessa Fusco Duarte de

; Pinho, João Renato Rebello

; Moreira, Regina Célia

Revista do Instituto de Medicina Tropical de São Paulo

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2022, Volume 64 elocation e61

Abstract: En | Text: En | PDF: En

ABSTRACT The Hepatitis C virus (HCV) infection is a public health problem. The high level of HCV replication and its lack of post-transcriptional correction mechanisms results in the emergence of viral variants and the difficulty in determining polymorphisms and variants that contain the substitutions associated with resistance towards new antivirals. The main focus of this study was to map the NS5A and NS5B polymorphisms and resistance mutations to new antiviral drugs in HCV strains genotype 1 from patients with chronic hepatitis C infection. Serum samples were collected from patients who underwent routine viral load tests at the Instituto Adolfo Lutz, Sao Paulo city, Brazil. A total of 698 and 853 samples were used for the characterization of NS5A and NS5B regions, respectively, which comprise the HCV genotypes 1a and 1b. The prevalence of resistance mutations found in the NS5A region was 6.4%, with Y93H, L31M, Q30R, and Y93N as the main resistance-associated substitutions (RAS). No NS5B-associated RAS was observed for any of the analyzed drugs. These findings support that the RAS test should be offered to individuals with poor response to double combination regimens prior to treatment initiation, thereby assisting strain vigilance and selection of effective treatment or retreatment options using DAA regimens.

https://doi.org/10.1590/s1678-9946202264061

Gerenciamento de resíduos sólidos orgânicos do Consórcio do Maciço de Baturité: Análise técnica e econômica da geração de biogás por aterro sanitário e usina de digestão anaeróbia
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Silva, Hellen Luisa de Castro e

; Carvalho, Hiliene da Costa de

; Pinto, Jucimar

; Nascimento, Livya Wana

; Silva, Renato Mello

Engenharia Sanitaria e Ambiental

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oct 2021, Volume 26 N. 5 Pages 855 - 864

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

RESUMO Os sistemas de recuperação de biogás contribuem para a mitigação de gases do efeito estufa, além de agregarem valor econômico ao processo de decomposição anaeróbia da matéria orgânica. O presente trabalho busca analisar os potenciais energéticos e a viabilidade econômica de implementação de um sistema de recuperação de biogás de aterro sanitário (cenário 1) ou de uma usina de digestão anaeróbia (cenário 2) para o Consórcio do Maciço de Baturité no estado do Ceará, Brasil. Para isso, foi estimada a projeção populacional, seguida da estimativa da produção de biogás pelo software LandGEM. Para o sistema de recuperação de biogás do aterro sanitário, foi obtida a potência ótima de 460 kW, com geração de energia máxima de 3.223.680 kWh/ano, enquanto, para a usina de digestão anaeróbia, foram obtidos valores de potência e energia de 252 kW e 1.986.754,86 kWh, respectivamente. De acordo com a análise econômica, ambos os projetos possuem inviabilidade de implementação, todavia o preço da unidade de energia gerada (kWh) é 42,42% maior para a usina de digestão anaeróbia em relação ao do sistema de recuperação de biogás do aterro sanitário. A metodologia aplicada pode ser utilizada para estudos preliminares em outros tipos de consórcio, contribuindo para melhores gerenciamento de resíduos e aproveitamento energético de sistemas de biogás no país.

ABSTRACT Biogas recovery systems contribute to the mitigation of greenhouse gases, besides adding economic value to the anaerobic decomposition of organic matter. This research aims to analyze the energy potentials and economic feasibility of implementing a landfill biogas recovery system (scenario 1) and an anaerobic digestion plant (scenario 2) for the Baturité Massif Consortium in the state of Ceará, Brazil. To that end, a population projection followed by an estimate of biogas production were made using the LandGEM software. For the biogas recovery system of the landfill, an optimum power of 460 kW and a maximum energy generation of 3,223,680 kWh/yr were obtained, whereas the anaerobic digestion plant resulted a power and energy of 252 kW and 1,986,754.86 kWh respectively. According to the economic analysis, both projects are unfeasible, but the price of the energy unit generated (kWh) is 42.42% higher for the anaerobic digestion plant than for the biogas recovery system of the landfill. The methodology applied can be used for preliminary studies in other consortiums, contributing to a better waste management and energy use of biogas systems in the country.

https://doi.org/10.1590/s1413-415220200155 85 downloads

Diretrizes da Sociedade Brasileira de Cardiologia sobre Angina Instável e Infarto Agudo do Miocárdio sem Supradesnível do Segmento ST – 2021
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Nicolau, José Carlos

; Feitosa Filho, Gilson Soares

; Petriz, João Luiz

; Furtado, Remo Holanda de Mendonça

; Précoma, Dalton Bertolim

; Lemke, Walmor

; Lopes, Renato Delascio

; Timerman, Ari

; Marin Neto, José A.

; Bezerra Neto, Luiz

; Gomes, Bruno Ferraz de Oliveira

; Santos, Eduardo Cavalcanti Lapa

; Piegas, Leopoldo Soares

; Soeiro, Alexandre de Matos

; Negri, Alexandre Jorge de Andrade

; Franci, Andre

; Markman Filho, Brivaldo

; Baccaro, Bruno Mendonça

; Montenegro, Carlos Eduardo Lucena

; Rochitte, Carlos Eduardo

; Barbosa, Carlos José Dornas Gonçalves

; Virgens, Cláudio Marcelo Bittencourt das

; Stefanini, Edson

; Manenti, Euler Roberto Fernandes

; Lima, Felipe Gallego

; Monteiro Júnior, Francisco das Chagas

; Correa Filho, Harry

; Pena, Henrique Patrus Mundim

; Pinto, Ibraim Masciarelli Francisco

; Falcão, João Luiz de Alencar Araripe

; Sena, Joberto Pinheiro

; Peixoto, José Maria

; Souza, Juliana Ascenção de

; Silva, Leonardo Sara da

; Maia, Lilia Nigro

; Ohe, Louis Nakayama

; Baracioli, Luciano Moreira

; Dallan, Luís Alberto de Oliveira

; Dallan, Luis Augusto Palma

; Mattos, Luiz Alberto Piva e

; Bodanese, Luiz Carlos

; Ritt, Luiz Eduardo Fonteles

; Canesin, Manoel Fernandes

; Rivas, Marcelo Bueno da Silva

; Franken, Marcelo

; Magalhães, Marcos José Gomes

; Oliveira Júnior, Múcio Tavares de

; Filgueiras Filho, Nivaldo Menezes

; Dutra, Oscar Pereira

; Coelho, Otávio Rizzi

; Leães, Paulo Ernesto

; Rossi, Paulo Roberto Ferreira

; Soares, Paulo Rogério

; Lemos Neto, Pedro Alves

; Farsky, Pedro Silvio

; Cavalcanti, Rafael Rebêlo C.

; Alves, Renato Jorge

; Kalil, Renato Abdala Karam

; Esporcatte, Roberto

; Marino, Roberto Luiz

; Giraldez, Roberto Rocha Corrêa Veiga

; Meneghelo, Romeu Sérgio

; Lima, Ronaldo de Souza Leão

; Ramos, Rui Fernando

; Falcão, Sandra Nivea dos Reis Saraiva

; Dalçóquio, Talia Falcão

; Lemke, Viviana de Mello Guzzo

; Chalela, William Azem

; Mathias Júnior, Wilson

Arquivos Brasileiros de Cardiologia

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jul 2021, Volume 117 N. 1 Pages 181 - 264

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

https://doi.org/10.36660/abc.20210180 3052 downloads

Preemptive use of intravenous ibuprofen to reduce postoperative pain after lower third molar surgery: a systematic review of randomized controlled trials
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Silva, Pedro Urquiza Jayme

; Meneses-Santos, Daniela

; Vieira, Walbert de Andrade

; Ramacciato, Juliana Cama

; Silva, Ricardo Pedro da

; Silva, Marcelo Caetano Parreira da

; Rode, Sigmar de Mello

; Paranhos, Luiz Renato

Clinics

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2021, Volume 76 elocation e2780

Abstract: En | Text: En | PDF: En

This study aimed to systematically review the literature to assess the effect of preemptive intravenous ibuprofen on pain reduction after lower third molar surgery. Nine databases (PubMed, Scopus, LILACS, SciELO, Embase, Web of Science, Cochrane, Open Gray, and Open Thesis) were used as sources of research, including “grey literature.” The protocol was registered in PROSPERO. Only randomized clinical trials evaluating the effects of preemptive intravenous ibuprofen on pain during and immediately after the extraction of lower third molars were included, without restrictions of year and language. Two reviewers independently performed the study selection, data extraction, and assessment of the risk of bias. The “Joanna Briggs Institute for Randomized Controlled Trials” tool was used to assess the risk of bias. Each study was categorized according to the percentage of positive responses to the questions corresponding to the assessment instrument. The results were measured narratively/descriptively. The initial search resulted in 3,257 records, of which only three studies (n=150 participants) met the eligibility criteria and were included in the qualitative analysis. All studies were published in 2019. The risk of bias ranged from low to moderate. Two studies found significant pain reduction within 48 h after the procedure. In conclusion, the use of preemptive intravenous ibuprofen for extracting third molars reduces pain and analgesic consumption after the surgical procedure.

https://doi.org/10.6061/clinics/2021/e2780 243 downloads

10.

Influence of Leather Fiber on Modulus of Elasticity in Bending Test and of Bend Strength of Particleboards
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Oliveira, Renato Cardoso de

; Bispo, Rodrigo Andraus

; Trevisan, Mariana Ferreira

; Gilio, Caroline Graminha

; Rodrigues, Felipe Reis

; Silva, Sérgio Augusto Mello da

Materials Research

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2021, Volume 24 elocation e20210287

Abstract: En | Text: En | PDF: En

Abstract The society’s development provides consequences such as the increasing generation of industrial waste. In the city of Franca, São Paulo’s inland city, there are footwear industries that generate a large amount of leather waste during their production process. In most cases, there’s no use of this waste and they’re disposed of in landfills. A reuse alternative is the production of particleboards used in construction sectors. Therefore, one of the biggest challenges is the use of this leather waste adding value to the product and enabling the production of sustainable material. This work proposes the production of particleboards from Eucalyptus wood and leather fibers using castor oil polyurethane adhesive. In addition, the assessment of the leather fiber influence on modulus of rupture and elasticity obtained from a static bending test. The study investigated the proportion of 10%, 25% e 50% leather waste in relation to Eucalyptus particles and 10% castor oil polyurethane adhesive. The mechanical performance of the panels was evaluated based on ABNT NBR 14810-1 and 2 (2013; 2018). The results allowed us to ascertain that the incorporation of 10% leather waste in particleboard rated them, according to NBR 14810-1 and 2 (2013; 2018), as structural panels of type P4 for use in dry conditions.

https://doi.org/10.1590/1980-5373-mr-2021-0287 86 downloads

11.

Plasmodium vivax metacaspase 1 (PvMCA1) catalytic domain is conserved in field isolates from Brazilian Amazon
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de Souza, Hugo Amorim dos Santos

; Escafa, Victor Fernandes

; Blanco, Carolina Moreira

; Baptista, Bárbara de Oliveira

; de Barros, Jenifer Peixoto

; Riccio, Evelyn Ketty Pratt

; Rodrigues, Aline Beatriz Mello

; Melo, Gisely Cardoso de

; Lacerda, Marcus Vinícius Guimarães de

; de Souza, Rodrigo Medeiros

; Lima-Junior, Josué da Costa

; Guimarães, Ana Carolina Ramos

; da Mota, Fabio Faria

; da Silva, João Hermínio Martins

; Daniel-Ribeiro, Cláudio Tadeu

; Pratt-Riccio, Lilian Rose

; Totino, Paulo Renato Rivas

Memórias do Instituto Oswaldo Cruz

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2021, Volume 116 elocation e200584

Abstract: En | Text: En | PDF: En

In the present study, we investigated the genetic diversity of Plasmodium vivax metacaspase 1 (PvMCA1) catalytic domain in two municipalities of the main malaria hotspot in Brazil, i.e., the Juruá Valley, and observed complete sequence identity among all P. vivax field isolates and the Sal-1 reference strain. Analysis of PvMCA1 catalytic domain in different P. vivax genomic sequences publicly available also revealed a high degree of conservation worldwide, with very few amino acid substitutions that were not related to putative histidine and cysteine catalytic residues, whose involvement with the active site of protease was herein predicted by molecular modeling. The genetic conservation presented by PvMCA1 may contribute to its eligibility as a druggable target candidate in vivax malaria.

https://doi.org/10.1590/0074-02760200584 202 downloads

12.

AMMONIA TOXICITY AFFECTS CATIONS UPTAKE AND GROWTH IN PAPAYA PLANTS INCLUSIVE WITH SILICON ADDITION
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SANTOS SILVA, Bruna

; MELLO PRADO, Renato de

; CALERO HURTADO, Alexander

; APARECIDA DE ANDRADE, Renata

; PEREIRA DA SILVA, Gilmara

Acta Biológica Colombiana

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dec 2020, Volume 25 N. 3 Pages 345 - 353

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

RESUMEN Las altas concentraciones de amonio (NH4+) pueden ejercer estrés en las plantas cultivadas, lo que causa trastornos nutricionales y reducción del crecimiento. Sin embargo, dependiendo de la intensidad del estrés, este puede atenuarse mediante el silicio (Si). En este trabajo, se investigó la respuesta de la acumulación de cationes y silicio y el crecimiento de plantas de papaya cultivadas en diferentes concentraciones tóxicas de amonio independientemente de la presencia de silicio. El experimento se realizó en la Universidade Estadual Paulista (UNESP), con plántulas de papaya, variedad Grupo Formosa (Calimosa híbrida 01), cultivadas en invernadero, en macetas de 1,7 dm3, rellenas con sustrato a base de fibra de pino y coco. El diseño experimental fue en bloques al azar, en esquema factorial 5x2, con cinco concentraciones de amonio 10, 20, 40, 80 y 100 mmol L-1, en la ausencia y presencia de Si (2 mmol L-1), con cinco repeticiones. A los 31 días posteriores del inicio de los tratamientos, se evaluó la acumulación de calcio, magnesio, nitrógeno, potasio y silicio, altura de la planta, diámetro del tallo y la materia seca de la raíz y los brotes. Los resultados revelaron que el aumento de la concentración de amonio mostró toxicidad en plantas de papaya y una reducción en la acumulación de calcio, magnesio, potasio y silicio, la altura de la planta, diámetro del tallo y la producción de materia seca de raíces y brotes, aunque el silicio esté presente, con mayor afectación en la materia seca de los brotes (87 %) que en las raíces (13 %).

ABSTRACT High ammonia (NH4 +) concentration can exert stress on many plants, which causes nutritional disorders and reduction on plant growth. However, depending on the intensity of the stress, it may be attenuated by silicon. In this work, the response of impact of cations and silicon accumulations and plant growth in cultivated papaya plants was investigated under different toxic ammonia concentrations regardless of the presence of silicon (Si). The experiment was conducted at the Universidade Estadual Paulista (UNESP) with papaya seedlings, variety 'Grupo Formosa' (Calimosa híbrida 01), grown in a glass greenhouse, in 1.7 dm3 pots filled with pine and coconut fiber-based substrate. The experimental design was a randomized block design, in a 5 x 2 factorial arrangement. There were five ammonium concentrations: 10, 20, 40, 80, and 100 mmol L-1 that were delivered via nutrient solution, in the absence and presence of Si (2 mmol L-1), with five replicates. After 31 days of growth, the cations and silicon accumulations in the shoot, plant height, stem diameter, root, and shoot dry matter were evaluated. Results revealed that increased ammonia concentration showed toxicity in papaya plants and stronger reductions in Ca, Mg, K and Si accumulations, plant heights, stem diameters, and root and shoot dry matter production, even when silicon was present and with greater effects on the shoot dry matter (87 %) than that of the roots (13 %).

https://doi.org/10.15446/abc.v25n3.79490 349 downloads

13.

Development of the southern corn leaf blight caused by Bipolaris maydis (teleomorph: Cochliobolus heterostrophus) in sweet corn as a function of nitrogen, potassium, and silicon under greenhouse conditions
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Castellanos González, Leónides

; de Mello Prado, Renato

; Silva Campos, Cid Naudi

; Barbosa da Silva Júnior Fiallos, Gabriel

Ciencia y Tecnología Agropecuaria

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dec 2020, Volume 21 N. 3 elocation e1508

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

Resumen El objetivo del trabajo fue evaluar el desarrollo de la mancha foliar causada por Bipolaris maydis, enfermedad común en maíz dulce, según la dosis y el acumulado de nitrógeno, potasio y silicio, en condiciones de invernadero. Los tratamientos consistieron en cinco dosis de nitrógeno (N) (0, 200, 400, 800 y 1.200 kg/ha), aplicación o no de potasio (K) (240 kg/ha) y aplicación o no de silicio (Si) (380 kg/ha). Se empleó un diseño experimental completamente aleatorizado con esquema factorial 5 x 2 x 2 y tres repeticiones. Se inocularon todos los tratamientos a los 30 días con una suspensión de 2 x 105 conidios por mL de B. maydis. A los 42 días se midió la acumulación de N, K y Si, así como el porcentaje de infección y el área bajo la curva de progreso de la enfermedad (ABCPE). Los tratamientos que recibieron fertilización con Si y K presentaron mayores acumulados de N, K y Si, y niveles más bajos de intensidad de ataque y ABCPE. Los acumulados de N, K y Si presentaron variaciones frente a las interacciones de la fertilización de K con N, y de Si con N; sin embargo, los niveles de las variables de la enfermedad fueron menores en la fertilización con K o Si, combinadas con las dosis de 0, 200 y 400 kg/ha de N.

Abstract This work aimed to evaluate the development of the southern corn leaf blight caused by Bipolaris maydis, a common disease in sweet corn, depending on the dose and the accumulated nitrogen, potassium, and silicon, under greenhouse conditions. The treatments consisted of five doses of nitrogen (0, 200, 400, 800, and 1,200 kg/ha), application or not of potassium (240kg/ha), and application or not of silicon (380kg/ha). A completely randomized design with factorial arrangement 5 x 2 x 2 and three repetitions was used. All the treatments were inoculated on day 30 with a suspension of 2 x 105 conidia by mL of B. maydis. On day 42, the accumulated N, K, and Si were measured, as well as the infection percentage and the area under the disease progress curve (AUDPC). The treatments that received fertilization with Si and K showed higher accumulation of N, K and Si, and lower levels of disease intensity and AUDPC. The accumulated N, K, and Si exhibited variations compared to the fertilization interactions of K with N, and Si with N; however, the levels of the disease variables were lower in the fertilization with K or Si, combined with the doses of 0, 200 and 400 kg/ha of N.

https://doi.org/10.21930/rcta.vol21_num3_art:1508 39 downloads

14.

Foliar sources of boron and manganese in soybean and zinc plants in corn plants complexed with polyols in nutritional status and in production
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Coutinho Neto, André Mendes

; Silva, Gilmara Pereira da

; Coutinho, Edson Luiz Mendes

; Prado, Renato de Mello

Idesia (Arica)

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sep 2020, Volume 38 N. 3 Pages 97 - 105

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

Resumen Existe fuentes alternativas de micronutrientes han aparecido en el mercado de los complejos de B, Mn y Zn con polioles, respecto a fuentes convencionales, lo cual es una preocupación cuando se busca una alta eficiencia de la fertilización. El objetivo de este estudio fue evaluar los niveles de Mn, B y Zn en hojas y granos, conjuntamente con el rendimiento de granos en función de la aplicación foliar de dosis y fuentes de Mn y B en soja y Zn en maíz. Se estudiaron diferentes fuentes de Mn (sulfato de manganeso, quelato de Mn-EDTA y complejo de Mn con lignosulfonato y con poliol), B (ácido bórico, complejo B con poliol) en soja y Zn (sulfato de zinc, Zn-EDTA y complejo de Zn con poliol) La aplicación foliar de fuentes y dosis de Mn y B en los cultivos de soja y Zn en el cultivo de maíz no influye en la nutrición de las plantas y la producción de granos. La aplicación foliar de fuentes solubles, quelatos y fuentes alternativas de Mn, B en los cultivos de soja y Zn en cultivos de maíz presentan eficiencias agronómicas similares en la nutrición de las plantas y la producción de granos.

Abstract Alternative sources of micronutrients have appeared on the market from B, Mn, and Zn complexes with polyols without scientific evidence on their agronomic effects compared to conventional sources, which is a concern when high fertilizer efficiency is sought Leaf. This study's objective was to evaluate the levels of Mn, B, and Zn leaf and grain and grain yield as a function of foliar ap plication of doses and sources of Mn and B in soybean and Zn maize. They studied different sources of Mn (manganese sulphate, Mn-EDTA chelate, and Mn complex with lignosulfonate and with polyol), B (boric acid, B complex with polyol) in soybean and Zn (zinc sulfate, Zn-EDTA and Zn complex with polyol). Foliar application of sources and doses of Mn and B in the soybean and Zn crops in the maize crop does not influence plant nutrition and grain production. Foliar application of soluble sources, chelates, and alternative sources of Mn, B in the soybean, and Zn crops in maize crops present similar agronomic efficiencies in plant nutrition and grain production.

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15.

New records of the bats Histiotus montanus and Molossops neglectus in southeastern Brazil with notes on biology and morphology
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Gregorin, Renato

; Mancini, Matheus C. S.

; Laurindo, Rafael S.

; Mello, Rodrigo M.

; Moras, Ligiane M.

; Almeida, Talita G.

; Silva, Lilith C.

Caldasia

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jun 2020, Volume 42 N. 1 Pages 30 - 37

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

RESUMEN Datos sobre biología y distribución para algunas especies de murciélagos in Suramérica son escasos, principalmente para grupos no filostómidos. Proporcionamos nuevos registros de dos especies raras de murciélagos insectívoros para el sureste de Brasil, Histiotus montanus y Molossops neglectus. En adición, reportamos la variación de colores faciales y nuevos registros de ectoparásitos en Histiotus montanus. Para M. neglectus se aplicó un Análisis de Componentes Principales (ACP) para probar variación morfométrica con base en dimensiones craneales y de antebrazo, demostrando que las muestras del sur de la distribución tuvieron menores medidas que las del norte.

ABSTRACT Distributional and biological data for some bat species in South America are scarce, mainly in non-phyl-lostomid bats. Herein we provide new records of two rare species of aerial insectivore bats for southeastern Brazil, Histiotus montanus and Molossops neglectus. In addition, we report facial morphological variation in color and new records of ectoparasites for H. montanus. For M. neglectus we performed a Principal Component Analysis (PCA) to check for morphometric variation based on forearm and skull dimensions, the southerly distributed specimens showing slightly smaller measurements than the northern ones.

https://doi.org/10.15446/caldasia.v42n1.73949 319 downloads

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