Pesquisa | SciELO

Abstract Objective To evaluate the association between inflammatory markers and abdominal fat assessed by ultrasound in prepubertal children with and without excess weight. Methods A cross-sectional study involving 241 prepubertal children, 156 with obesity, 37 with overweight, and 48 with normal weight, aged five to ten years, who were followed at a research unit on Childhood Obesity from a teaching hospital belonging to a public health system. The concentration of interleukin-6, tumor necrosis factor-α and C-reactive protein were assessed and regression analyses, considering outcome variables such as abdominal wall and intra-abdominal fat thickness measured by ultrasound, were performed. Results The findings highlighted an association between abdominal fat and inflammatory markers, even in children at this young age group. Subcutaneous fat showed a stronger association with inflammatory biomarkers compared to intra-abdominal fat when performing logistic regression, with a positive association between tumor necrosis factor-α and abdominal wall thickness equal to or greater than the 75th percentile in adjusted logistic regression (OR: 18.12; CI 95 %: 1.57: 209.55). Conclusions Abdominal wall fat, in contrast to what is often observed in adults, appears to have a greater impact on chronic inflammation related to excessive weight in very young children. crosssectional cross sectional 24 15 obesity 3 overweight 4 years system interleukin6, interleukin6 interleukin 6, 6 interleukin-6 factorα factor α Creactive C reactive analyses intraabdominal intra performed group th OR (OR 18.12 1812 18 12 9 % 1.57 157 1 57 209.55. 20955 209.55 . 209 55 209.55) adults 2 interleukin- 18.1 181 1.5 5 2095 209.5 20 18. 1. 209.

https://doi.org/10.1016/j.jped.2024.03.015

Treinamento Físico Reduz a Inflamação e a Fibrose e Preserva a Função e a Perfusão Miocárdica em um Modelo de Cardiomiopatia Chagásica Crônica
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Damasceno, Thayrine R.

; Tanaka, Denise M.

; Magnani, Enrico F.

; Oliveira, Rafael D. B.

; Pereira, Danielle A. G.

; Vieira-Alves, Ildernandes

; Lemos, Virginia S.

; Cabeza, Jorge M.

; Fabricio, Camila G.

; Resende, Alessandra A.

; Gonçalves, Dawit A. P.

; Zanetti, Gustavo de Oliveira

; Carvalho, Eduardo E. Vieira de

; Simões, Marcus V.

; Oliveira, Luciano F. L.

Arquivos Brasileiros de Cardiologia

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Ago 2024, Volume 121 Nº 8 elocation e20230707

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo Fundamento: A Cardiomiopatia Chagásica Crônica (CCC) é causada por um processo inflamatório induzido pelo Trypanosoma cruzi, que leva à miocardite com fibrose reativa e reparativa. A CCC progride com alterações de perfusão miocárdica e eventos histopatológicos que afetam a Aptidão Cardiorrespiratória (ACR). Objetivos: Avaliamos os efeitos do Treinamento Físico Aeróbico (TFA) na perfusão miocárdica e nos comprometimentos morfológicos e funcionais relacionados à inflamação e fibrose em hamsters sírios com CCC. Como objetivo secundário, analisamos as áreas de secção transversa do músculo esquelético. Métodos: Hamsters com CCC e seus respectivos controles foram divididos em quatro grupos: CCC sedentário, CCC-TFA, controle sedentário e controle TFA. Sete meses após a infecção, os animais foram submetidos à ecocardiografia, à cintilografia de perfusão miocárdica e ao teste de esforço cardiopulmonar. TFA de intensidade moderada foi realizado durante cinquenta minutos, cinco vezes por semana, por oito semanas. Posteriormente, os animais foram reavaliados. A análise histopatológica foi realizada após os procedimentos acima mencionados. O nível de significância foi estabelecido em 5% em todas as análises (p<0,05). Resultados: Animais com CCC sedentários apresentaram piores Defeitos de Perfusão Miocárdica (DPM) ao longo do tempo, Fração de Ejeção do Ventrículo Esquerdo (FEVE) reduzida, e apresentaram mais inflamação e fibrose quando comparados aos demais grupos (análise ANOVA mista). Por outro lado, o TFA foi capaz de mitigar a progressão do DPM, atenuar a inflamação e a fibrose e melhorar a eficiência da ACR em animais CCC-TFA. Conclusão: Nosso estudo demonstrou que o TFA melhorou a disfunção cardíaca, DPM e reduziu a inflamação e a fibrose em modelos de hamster com CCC. Além disso, os animais CCC-SED apresentaram atrofia do músculo esquelético, enquanto os animais CCC-TFA apresentaram a AST do músculo esquelético preservada. Compreender os efeitos da TFA nas dimensões fisiopatológicas da CCC é crucial para futuras pesquisas e intervenções terapêuticas. Fundamento (CCC cruzi reparativa ACR. . (ACR) Objetivos (TFA secundário Métodos CCCTFA, CCCTFA TFA, infecção ecocardiografia cardiopulmonar minutos semana semanas Posteriormente reavaliados mencionados 5 p<0,05. p005 p p<0,05 0 05 (p<0,05) Resultados (DPM tempo FEVE (FEVE reduzida mista. mista mista) lado CCCTFA. Conclusão cardíaca disso CCCSED SED preservada terapêuticas (ACR p00 p<0,0 (p<0,05 p0 p<0, (p<0,0 p<0 (p<0, p< (p<0 (p< (p

Abstract Background: Chronic Chagas cardiomyopathy (CCC) is caused by an inflammatory process induced by Trypanosoma cruzi, which leads to myocarditis with reactive and reparative fibrosis. CCC progresses with myocardial perfusion abnormalities and histopathological events that affect cardiorespiratory fitness (CRF). Objectives: We evaluated the effects of aerobic physical training (APT) on myocardial perfusion and on morphological and functional impairments related with inflammation and fibrosis in Syrian hamsters with CCC. As a secondary objective, we analyzed the cross-sectional areas of the skeletal muscle. Methods: Hamsters with CCC and their respective controls were divided into four groups: CCC sedentary, CCC-APT, sedentary control and APT control. Seven months after infection, the animals underwent echocardiography, myocardial perfusion scintigraphy and cardiopulmonary exercise testing. Moderate-intensity APT was performed for fifty minutes, five times a week, for eight weeks. Subsequently, the animals were reassessed. Histopathological analysis was conducted after the above-mentioned procedures. The level of significance was set at 5% in all analyses (p<0.05). Results: CCC sedentary animals presented worse myocardial perfusion defects (MPD) over time, reduced left ventricle ejection fraction (LVEF) and showed more inflammation and fibrosis when compared to other groups (mixed ANOVA analysis). Conversely, APT was able to mitigate the progression of MPD, ameliorate inflammation and fibrosis and improve CRF efficiency in CCC-APT animals. Conclusions: Our study demonstrated that APT ameliorated cardiac dysfunction, MPD, and reduced inflammation and fibrosis in CCC hamster models. Additionally, CCC-SED animals presented skeletal muscle atrophy while CCC-APT animals showed preserved skeletal muscle CSA. Understanding APT's effects on CCC's pathophysiological dimensions is crucial for future research and therapeutic interventions. Background (CCC cruzi CRF. . (CRF) Objectives (APT objective crosssectional cross sectional Methods CCCAPT, CCCAPT APT, infection echocardiography testing Moderateintensity Moderate intensity minutes week weeks Subsequently reassessed abovementioned above mentioned procedures 5 p<0.05. p005 p p<0.05 0 05 (p<0.05) Results MPD (MPD time LVEF (LVEF mixed analysis. analysis) Conversely Conclusions dysfunction models Additionally CCCSED SED CSA APTs s CCCs interventions (CRF p00 p<0.0 (p<0.05 p0 p<0. (p<0.0 p<0 (p<0. p< (p<0 (p< (p

https://doi.org/10.36660/abc.20230707

Descompressão de cisto radicular associado à cirurgia paraendodôntica: Relato de caso
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Oliveira, Leandro J.

; Souza, Mariana S.

; Souza, Paulo Eduardo A.

; Horta, Martinho C.R.

Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial

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Jun 2024, Volume 65 Nº 2 Páginas 105 - 111

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract Radicular cysts result from an inflammatory process associated with teeth with pulp necrosis. The initial therapy is the endodontic treatment. However, if it fails, other treatment alternatives should be considered. Among them are some types of endodontic surgery that should be indicated according to the diagnosis of the tooth involved. Another technique for treating cysts is decompression, which can be used for the reduction or complete regression of the lesion and the preservation of adjacent noble structures. This case report, with a follow-up of two years, aims to present the therapy of a radicular cyst in close association with the mandibular canal through endodontic surgery and decompression of the lesion, as an alternative method to preserve the innervation of the inferior alveolar nerve.

Resumo O cisto radicular é um cisto de origem odontogénica causado por um processo inflamatório associado a dentes com diagnóstico de necrose pulpar. São os cistos mais comuns dos maxilares. A terapia inicial de eleição é o tratamento endodôntico do dente acometido. Contudo, em casos de insucesso, outras alternativas de tratamento devem ser consideradas. Entre as alternativas existem alguns tipos de cirurgia paraendodôntica que devem ser indicados de acordo com o diagnóstico do dente envolvido. Outra técnica para tratamento dos cistos é a descompressão, que pode ser utilizada para redução ou regressão completa da lesão e para conservação de estruturas nobres adjacentes. Esse relato de caso, com acompanhamento de dois anos, tem como objetivo apresentar a terapia de um cisto radicular em íntimo contato com o canal mandibular, por meio da cirurgia paraendodôntica e descompressão da lesão como método alternativo para preservação da inervação do nervo alveolar inferior.

https://doi.org/10.24873/j.rpemd.2024.06.1215

The association between gaming disorder and impulsivity: A systematic review impulsivity
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Andrade, André Luiz Monezi

; Lobato, Fernanda Beatriz Hodar

; Stange, Naomi

; Scatena, Adriana

; Oliveira, Wanderlei Abadio de

; Kim, Hyoun S.

; Lopes, Fernanda Machado

Estudos de Psicologia (Campinas)

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2024, Volume 41 elocation e220032

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract Objective Impulsivity has been robustly linked to various addictions, including behavioral addictions. This systematic review aimed to investigate possible relationships between impulsivity and gaming disorder. Method A total of 1,710 empirical studies, without date or language restrictions, were retrieved from Biblioteca Virtual em Saúde, Cumulative Index to Nursing and Allied Health Literature, PubMed, PsycNET, Scopus, and Web of Science databases. In total, 16 studies met the inclusion criteria and were included for extraction, quantitative analysis, and integrative synthesis. Results Overall, a positive association was observed between gaming disorder and both self-reported measures of impulsivity and behavioral measures of impulsivity. Gaming disorder was associated with the presence of high-risk trends, high sensitivity to rewards, reduced inhibitory control, and low self-control among video game players. Conclusion The present systematic review provides preliminary support for the robust association between impulsivity and gaming disorder. However, given the methodological heterogeneity in assessment instruments and statistical procedures, the identified association should be interpreted cautiously. addictions 1710 1 710 1,71 restrictions Saúde Literature PubMed PsycNET Scopus databases extraction analysis synthesis Overall selfreported self reported highrisk risk trends rewards control selfcontrol players However procedures cautiously 171 71 1,7 17 7 1,

Resumo Objetivo A impulsividade tem estado fortemente ligada a vários tipos de dependência, incluindo as dependências comportamentais. Esta revisão sistemática visou investigar possíveis relações entre a impulsividade e o transtorno por jogos eletrônicos. Método Um total de 1.710 estudos empíricos, sem restrições de data ou linguagem, foram recuperados das bases de dados Biblioteca Virtual em Saúde, Cumulative Index to Nursing and Allied Health Literature, PubMed, PsycNET, Scopus, e Web of Science. No total, 16 estudos preencheram os critérios de inclusão e foram incluídos para extração, análise quantitativa, e síntese integrativa. Resultados Observou-se uma associação positiva entre o transtorno por jogos eletrônicos e as medidas de impulsividade e de comportamento de impulsividade autorrelatadas. O transtorno por jogos eletrônicos foi associado à presença de tendências de alto risco, alta sensibilidade às recompensas, controle inibitório reduzido, e baixo autocontrole entre os jogadores. Conclusão A presente revisão fornece apoio preliminar para uma associação robusta entre a impulsividade e o transtorno por jogos eletrônicos. Contudo, dada a heterogeneidade metodológica nos instrumentos de avaliação e procedimentos estatísticos, esta associação deve ser interpretada com cautela. dependência comportamentais 1710 1 710 1.71 empíricos linguagem Saúde Literature PubMed PsycNET Scopus Science extração quantitativa integrativa Observouse Observou se autorrelatadas risco recompensas reduzido jogadores Contudo estatísticos cautela 171 71 1.7 17 7 1.

https://doi.org/10.1590/1982-0275202441e220032

Pure and Cobalt-Modified ZnO Nanostructures Prepared by a New Synthesis Route Applied to Environmental Remediation CobaltModified Cobalt Modified
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Nobrega, Eryka T. D.

; Araújo, Kelvin C. de

; Moreira, Ailton J.

; Oliveira, Regiane C. de

; Silva, Gelson T. S. T. da

; Blaskievicz, Sirlon F.

; Soares, Leandro L.

; Lemos, Sherlan G.

; Mascaro, Lucia H.

; Pereira, Ernesto C.

Journal of the Brazilian Chemical Society

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2024, Volume 35 Nº 11 elocation e-20240054

Resumo: En | Texto: En | PDF: En

Pure and cobalt-doped 3D ZnO were produced using the microwave (MW)-ultraviolet (UV)-visible (Vis) radiation-assisted hydrothermal method (MW-UV-Vis HM). Using experimental design, the effects of cobalt and UV-Vis radiation during the synthesis stage on the physicochemical properties of the materials were evaluated with different characterization techniques such as X-ray diffraction, scanning and transmission electron microscopy, diffuse reflectance, and electrochemistry. The presence of cobalt had a great influence on the reduction of charge donors in the ZnO matrix and had their photocatalytic properties improved when produced under the effect of UV-Vis radiation. The catalytic activity of the materials has been verified in important environmental remediation reactions, such as the electrochemical reduction of CO2 and the photocatalytic degradation of emerging pollutants. The results achieved in this study show competitive efficiency values for CO2 reduction (97%) and photocatalytic degradation (91%) of emerging pollutants in natural waters, illustrating the great versatility of the produced material in distinct applications. cobaltdoped doped D MWultraviolet MW ultraviolet UVvisible UV visible Vis (Vis radiationassisted assisted MWUVVis HM. HM . HM) design UVVis Xray X ray diffraction microscopy reflectance electrochemistry reactions CO 97% 97 (97% 91% 91 (91% waters applications 9 (97 (91 (9 (

https://doi.org/10.21577/0103-5053.20240054

Spatial autocorrelation of soybean plant populations and physical attributes of Oxisol
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Oliveira, Job T. de

; Baio, Fábio H. R.

; Silva, Eder E. da

; Moura, Suzany S. de

; Valente, Domingos S.

; Teodoro, Paulo E.

Revista Brasileira de Engenharia Agrícola e Ambiental

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2024, Volume 28 Nº 1 elocation e264872

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

ABSTRACT Among the necessary phytotechnical adjustments, the correct recommendation of the plant population of each soybean cultivar is of paramount importance for success in crop production. Thus, the objective of this study was to analyze the distribution and spatial autocorrelation of the soybean plant population according to the spatial variability of the physical and chemical attributes of Oxisol in the Brazilian Cerrado region. The attributes studied were plant population, soybean grain yield, apparent soil electrical conductivity, soil organic matter content, cation exchange capacity, hydrogenionic potential, and clay content in the soil. The plant population varied inversely as a function of apparent soil electrical conductivity. The areas with the highest values of apparent soil electrical conductivity, soil organic matter content, cation exchange capacity, and clay content had the lowest plant populations. Soybean yield was not influenced by increase or decrease in the plant population. Thus, it is economically viable to plant with lower plant density to improve the farmer’s profit margin. adjustments production Thus region conductivity capacity potential populations farmers farmer s margin

RESUMO Dentre os ajustes fitotécnicos necessários, a correta recomendação da população de plantas de cada cultivar de soja é de suma importância para o sucesso na produção desta cultura. Assim, o objetivo deste estudo foi analisar a distribuição e autocorrelação espacial da população de plantas de soja de acordo com a variabilidade espacial de atributos físicos e químicos de um Latossolo na região do Cerrado brasileiro. Os atributos estudados foram: população de plantas, produtividade de grãos de soja, condutividade elétrica aparente do solo, teor de matéria orgânica do solo, capacidade de troca catiônica, potencial hidrogeniônico e teor de argila no solo. A população de plantas variou inversamente em função da condutividade elétrica aparente do solo. As áreas com os maiores valores de condutividade elétrica aparente do solo, teor de matéria orgânica do solo, capacidade de troca catiônica e teor de argila apresentaram as menores populações de plantas. A produtividade da soja não foi influenciada pelo aumento ou diminuição da população de plantas, por isso é economicamente viável plantar com menor densidade de plantas para melhorar a margem de lucro do agricultor. necessários cultura Assim brasileiro foram solo agricultor

https://doi.org/10.1590/1807-1929/agriambi.v28n1e264872

ESTRESSE TOXICOLÓGICO EM UM RIO ALTAMENTE IMPACTADO NO AMBIENTE PORTUÁRIO DE SANTOS, SP SANTOS
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Ventura, Maria L. S.

; Curraladas, Isadora D. R.

; Santos, Marco A. dos

; Boim, Mirian A.

; Maquigusa, Edgar

; Bastos, Paula A. S.

; Sarkis, Jorge E. S.

; Hortellani, Marcos A.

; Oliveira-Sales, Elizabeth B.

Química Nova

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2024, Volume 47 Nº 6 elocation e-20240012

Resumo: Pt | Texto: Pt | PDF: Pt

There are many stilts and industry, which discharge sewage, domestic garbage and industrial effluents in the Pouca Saúde River from the port environment of Santos, São Paulo (SP) State. However, ecotoxicological studies in this river are rare. In this study, we seek to fill this gap by analyzing physicochemical, toxicological, and chemical conditions. Surface water and sediment samples were collected at 2 sampling sites with riparian community activities and industrial activities in the summer, autumn, winter and spring. The parameters analyzed were pH, alkalinity, turbidity, salinity, oils, greases, dissolved oxygen (DO), toxicological and cytotoxicity with mitotic index (MI) of onion roots using Allium cepa roots, and concentration of Pb, Zn, Hg, Ni and Cd. Our results showed alterations in the DO, turbidity, oils/greases and reduction of MI when compared to the respective control. Ni and Zn in sediment samples presented concentrations exceeding levels occasionally associated with adverse biological effects “threshold effect level”. These results suggested that the water quality of the Pouca Saúde River is influenced by both presences of heavy metals contamination and the seasons, i.e. by the tide. Thus, the toxic potential monitoring carried out in this study is of paramount importance to this river. industry sewage Santos SP (SP State However rare physicochemical conditions summer autumn spring pH alkalinity turbidity salinity oils greases DO , (DO) (MI Pb Hg Cd oilsgreases control threshold level. level . level” seasons ie i e i.e tide Thus (DO

https://doi.org/10.21577/0100-4042.20240012

Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi) Teleostei (Teleostei Ostariophysi
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Toledo-Piza, Mônica

; Baena, Eduardo G.

; Dagosta, Fernando C. P.

; Menezes, Naércio A.

; Ândrade, Marcelo

; Benine, Ricardo C.

; Bertaco, Vinicius A.

; Birindelli, José Luís O.

; Boden, Gert

; Buckup, Paulo A.

; Camelier, Priscila

; Carvalho, Fernando R. de

; Castro, Ricardo M. C.

; Chuctaya, Junior

; Decru, Eva

; Derijst, Eddy

; Dillman, Casey B.

; Ferreira, Katiane M.

; Merxem, Dimitri G.

; Giovannetti, Victor

; Hirschmann, Alice

; Jégu, Michel

; Jerep, Fernando C.

; Langeani, Francisco

; Lima, Flávio C. T.

; Lucena, Carlos A. S.

; Lucena, Zilda Margarete S.

; Malabarba, Luiz R.

; Malabarba, Maria Cláudia S. L.

; Marinho, Manoela M. F.

; Mathubara, Kleber

; Mattox, George M. T.

; Melo, Bruno F.

; Moelants, Tuur

; Moreira, Cristiano R.

; Musschoot, Tobias

; Netto-Ferreira, André L.

; Ota, Rafaela P.

; Oyakawa, Osvaldo T.

; Pavanelli, Carla S.

; Reis, Roberto E.

; Santos, Osmar

; Serra, Jane Piton

; Silva, Gabriel S. C.

; Silva-Oliveira, Cárlison

; Souza-Lima, Rosana

; Vari, Richard P.

; Zanata, Angela M.

Neotropical Ichthyology

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2024, Volume 22 Nº 1 elocation e230086

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract A checklist of recent and fossil fishes of the Order Characiformes is presented herein and believed to be complete through 2022. A total of 47 collaborators checked and provided information about their taxa of expertise. The list is arranged in alphabetical order by family and then genus and includes all available synonyms. From a total of 3,087 species group names and 527 genus group names, 2,334 species are currently treated as valid, and assigned to 301 genera and 24 families. This total includes 25 species known only from the fossil record, of which 21 are assigned to eight extant families and four are Incertae sedis in Characiformes, but does not include five species based on fossil which were wrongly treated in Characiformes. The status of 79 nominal species remains unresolved. When there are two competing hypotheses about the validity of a name, one of them is chosen and the alternate interpretation is provided in the remark section of that name. Distributional summaries are presented as numbers that correspond to areas for which there is a record of occurrence of the species. A list of unavailable names is provided at the end since some of those names may need additional research to certify their status. 2022 4 expertise synonyms 3087 3 087 3,08 52 2334 2 334 2,33 valid 30 7 unresolved name 202 308 08 3,0 5 233 33 2,3 20 0 3, 23 2,

Resumo Uma lista de peixes recentes e fósseis da Ordem Characiformes é apresentada e acredita-se que a lista esteja completa até 2022. Ao todo, 47 colaboradores verificaram e forneceram informações sobre táxons de sua especialidade. A lista está organizada em ordem alfabética por família e em seguida gênero e inclui todos os sinônimos disponíveis. De um total de 3.087 nomes de grupos de espécies e 527 nomes de grupos de gêneros, 2.334 espécies são atualmente tratadas como válidas e atribuídas a 301 gêneros e 24 famílias. Este total inclui 25 espécies fósseis, das quais 21 são incluídas em oito famílias recentes e quatro são Incertae sedis em Characiformes, mas não inclui cinco espécies baseadas em fósseis que foram incorretamente consideradas como Characiformes. O status de 79 espécies nominais permanece não resolvido. Quando há duas hipóteses concorrentes sobre a validade de um nome, uma delas é escolhida e a interpretação alternativa é fornecida na seção de comentários do nome em questão. Dados sobre distribuição geográfica são apresentados através de números que correspondem a regiões para as quais há registro de ocorrência da espécie. Uma lista de nomes indisponíveis foi listada no final do texto, pois alguns desses nomes precisam ser mais bem investigados para certificar seu status. acreditase acredita se 2022 todo 4 especialidade disponíveis 3087 3 087 3.08 52 2334 2 334 2.33 30 7 resolvido questão espécie texto 202 308 08 3.0 5 233 33 2.3 20 0 3. 23 2.

https://doi.org/10.1590/1982-0224-2023-0086

Impact of silicon application on downy mildew severity in melon plants during the rainy season
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Barbosa, João P. F.

; Santos, Júlio R. dos

; Gagliardi, Paulo R.

; Silva, Airon J. da

; Oliveira, Thiago H. S.

; Oliveira Júnior, Luiz F. G. de

Revista Caatinga

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2024, Volume 37 elocation e12077

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

ABSTRACT Downy mildew is one of the main foliar diseases affecting melon plants during the rainy season in the Northeast region of Brazil. Silicon (Si) application has emerged as an alternative method for pathogen control, forming physical barriers and activating defense mechanisms in plants. The objective of this study was to reduce the severity of downy mildew in melon plants during the rainy season through foliar application of Si. The treatments consisted of five rates (0, 0.25, 0.5, 1, and 2 L ha-1) of potassium silicate (12% Si and 15% potassium) applied from May to July 2022, with four replications. Disease severity was assessed using rating scales, chlorophyll contents, and transient chlorophyll a fluorescence (OJIP). The rate of 2 L ha-1 resulted in the best results by delaying pathogen development in leaves with disease incidence. Disease severity decreased to 68.27% and chlorophyll a, b, and total increased by 8.21%, 13.86%, and 9.72%, respectively. Si application resulted in beneficial changes in the following OJIP test parameters: ABS/RC, TR0/RC, ET0/RC, ABS/CS0, and TR0/CS0. During periods of high rainfall intensity and mild temperatures, Si application to melon plants reduces downy mildew severity and protects chlorophylls, enhancing the absorption flux (ABS) and electron storage (TR0) and transport (ET0). Brazil (Si control 0, 0 (0 025 25 0.25 05 5 0.5 1 ha1 ha 12% 12 (12 15 2022 replications scales contents OJIP. . (OJIP) ha- incidence 6827 68 27 68.27 b 821 8 21 8.21% 1386 13 86 13.86% 972 9 72 9.72% respectively parameters ABSRC ABS RC ABS/RC TR0RC TRRC TR0 TR TR0/RC ET0RC ETRC ET0 ET ET0/RC ABSCS0 ABSCS CS0 CS ABS/CS0 TR0CS0 TRCS TR0/CS0 temperatures chlorophylls (ABS (TR0 ET0. (ET0) ( 02 0.2 0. (1 202 (OJIP 682 6 68.2 82 8.21 138 13.86 97 7 9.72 ABS/CS TR0CS TR0/CS (TR (ET0 20 68. 8.2 13.8 9.7 (ET 8. 13. 9.

RESUMO O míldio é umas das principais doenças foliares que acomete o meloeiro durante o período chuvoso na região Nordeste do Brasil. O silício (Si) tem se destacado como um método alternativo para o controle de patógenos tanto por constituir barreira físicas, como na ativação de mecanismos de defesa da planta. Assim, objetivou-se com este trabalho avaliar a severidade de míldio em meloeiro durante período chuvoso com aplicações foliares de Si. Durante as chuvas, nos meses de maio a julho de 2022 realizaram-se duas pulverizações de silicato de potássio (12% de Si e 15% de potássio) nas doses de 0; 0,25; 0,50; 1,0 e 2,0 L ha-1, com quatro repetições por dose. Realizaram-se avaliações da severidade do míldio em escalas de notas, índices de clorofila e fluorescência transiente da clorofila a (OJIP). A dose de 2,0 L ha-1 proporcionou melhores resultados retardando o desenvolvimento do patógeno em folhas com incidência da doença. Houve diminuição na severidade da doença de até 68,27%, além do aumento nos índices de clorofila a, b e total, em 8,21%, 13,86% e 9,72%, respectivamente. Além disso, o Si promoveu alterações benéficas nos parâmetros do teste OJIP: ABS/RC; TR0/RC; ET0/RC; ABS/CS0 e TR0/CS0. Durante períodos de alta intensidade de chuvas e temperaturas amenas, a aplicação de Si em meloeiro reduz a severidade do míldio e protege as clorofilas, resultando em maior absorção (ABS), armazenamento (TR0) e transporte de elétrons (ET0). Brasil (Si físicas planta Assim objetivouse objetivou 202 realizaramse realizaram 12% 12 (12 15 0 0,25 025 25 0,50 050 50 10 1 1, 20 2 2, ha1, ha1 ha Realizaramse Realizaram notas OJIP. OJIP . (OJIP) ha- 6827 68 27 68,27% total 821 8 21 8,21% 1386 13 86 13,86 972 9 72 9,72% respectivamente disso ABS/RC ABSRC ABS RC TR0/RC TR0RC TRRC TR0 TR ET0/RC ET0RC ETRC ET0 ET ABSCS0 ABSCS CS0 CS ABS/CS TR0CS0 TRCS TR0/CS0 amenas clorofilas ABS, , (ABS) (TR0 ET0. (ET0) (1 0,2 02 0,5 05 5 (OJIP 682 6 68,27 82 8,21 138 13,8 97 7 9,72 TR0CS TR0/CS (ABS (TR (ET0 ( 0, 68,2 8,2 13, 9,7 (ET 68, 8, 9,

https://doi.org/10.1590/1983-21252024v3712077rc

10.

Exploring Strategic Approaches for CvFAP Photodecarboxylation through Violet Light Irradiation
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Brêda, Gabriela C.

; França, Alexandre S.

; Oliveira, Kleber T. de

; Almeida, Rodrigo V.

; Souza, Rodrigo O. M. A. de

Journal of the Brazilian Chemical Society

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2024, Volume 35 Nº 8 elocation e-20240027

Resumo: En | Texto: En | PDF: En

In this study, we describe a light-driven photocatalytic decarboxylation of palmitic acid and related fatty acids using Chlorella variabilis fatty acid photodecarboxylase (CvFAP). By utilizing violet light emitting diode (LED) light (50 W; 397 nm), we achieved a remarkable conversion efficiency of 99% within just 4 min, surpassing the previous 79% conversion achieved in 60 min using blue LED light (300 W; 439 nm). Importantly, the use of 50 W violet LED light also resulted in a lower enzyme photoinactivation rate when compared to 300 W blue LED. Comparing the whole-cell biocatalyst with the enzymatic extract, we found that the former demonstrated superior catalytic performance and reduced susceptibility to photoinactivation. Furthermore, whole-cell biocatalyst reuse was demonstrated after five sequential batches. Employing this approach, we successfully synthesized 26 mmol L-1 h-1 of pentadecane, showcasing a promising strategy to improve productivity. These findings represent a significant advancement in CvFAP photodecarboxylation processes compared to the literature, utilizing an alternative light source, with potential implications to the biofuel sector. study lightdriven driven CvFAP. . (CvFAP) (LED (5 39 nm, nm , nm) 99 79 6 (30 43 nm. Importantly 5 30 wholecell whole cell extract Furthermore batches approach 2 L1 L 1 L- h1 h h- pentadecane productivity literature source sector (CvFAP ( 3 9 7 (3

https://doi.org/10.21577/0103-5053.20240027

11.

Evaluation of surface roughness, wettability and adhesion of multispecies biofilm on 3D-printed resins for the base and teeth of complete dentures roughness 3Dprinted Dprinted 3D printed D
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POKER, Beatriz de Camargo

; OLIVEIRA, Viviane de Cássia

; MACEDO, Ana Paula

; GONÇALVES, Mariane

; RAMOS, Ana Paula

; SILVA-LOVATO, Cláudia Helena

Journal of Applied Oral Science

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2024, Volume 32 elocation e20230326

Resumo: En | Texto: En | PDF: En

Abstract Studies evaluating the roughness, wettability and microbial adhesion of 3D-printed resins for complete denture bases and teeth are scarce. Objective This study evaluated the surface roughness, wettability and adhesion of multispecies biofilms (Candida albicans, Staphylococcus aureus and Streptococcus mutans) on 3D-printed resins for complete denture bases and teeth compared to conventional resins (heat-polymerized acrylic resin; artificial pre-fabricated teeth). Methodology Circular specimens (n=39; 6.0 mm Ø × 2.0 mm) of each group were subjected to roughness (n=30), wettability (n=30) and biofilm adhesion (n=9) tests. Three roughness measurements were taken by laser confocal microscopy and a mean value was calculated. Wettability was evaluated by the contact angle of sessile drop method, considering the mean of the three evaluations per specimen. In parallel, microorganism adhesion to resin surfaces was evaluated using a multispecies biofilm model. Microbial load was evaluated by determining the number of Colony Forming Units (CFU/mL) and by scanning electron microscopy (SEM). Data were subjected to the Wald test in a generalized linear model with multiple comparisons and Bonferroni adjustment, as well as two-way ANOVA (α=5%). Results The roughness of the conventional base resin (0.01±0.04) was lower than that of the conventional tooth (0.14±0.04) (p=0.023) and 3D-printed base (0.18±0.08) (p<0.001). For wettability, conventional resin (84.20±5.57) showed a higher contact angle than the 3D-printed resin (60.58±6.18) (p<0.001). Higher microbial loads of S. mutans (p=0.023) and S. aureus (p=0.010) were observed on the surface of the conventional resin (S. mutans: 5.48±1.55; S. aureus: 7.01±0.57) compared to the 3D-printed resin (S. mutans: 4.11±1.96; S. aureus: 6.42±0.78). The adhesion of C. albicans was not affected by surface characteristics. The conventional base resin showed less roughness than the conventional dental resin and the printed base resin. Conclusion The 3D-printed resins for base and tooth showed less hydrophobicity and less adhesion of S. mutans and S. aureus than conventional resins. 3Dprinted Dprinted 3D D scarce Candida heatpolymerized heat polymerized prefabricated pre fabricated teeth. . teeth) n=39 n39 n 39 (n=39 60 6 0 6. 20 2 2. n=30, n30 n=30 , 30 (n=30 n=9 n9 9 (n=9 tests calculated method specimen parallel CFU/mL CFUmL CFU mL (CFU/mL SEM. SEM (SEM) adjustment twoway two way α=5%. α5 α α=5% 5 (α=5%) 0.01±0.04 001004 01 04 (0.01±0.04 0.14±0.04 014004 14 (0.14±0.04 p=0.023 p0023 p 023 (p=0.023 0.18±0.08 018008 18 08 (0.18±0.08 p<0.001. p0001 p<0.001 001 (p<0.001) 84.20±5.57 8420557 84 57 (84.20±5.57 60.58±6.18 6058618 58 (60.58±6.18 S p=0.010 p0010 010 (p=0.010 (S 5.48±1.55 548155 48 1 55 7.01±0.57 701057 7 4.11±1.96 411196 4 11 96 6.42±0.78. 642078 6.42±0.78 42 78 6.42±0.78) C characteristics n=3 n3 3 (n=3 n= (n= (SEM α=5 (α=5% 0.01±0.0 00100 (0.01±0.0 0.14±0.0 01400 (0.14±0.0 p=0.02 p002 02 (p=0.02 0.18±0.0 01800 (0.18±0.0 p000 p<0.00 00 (p<0.001 84.20±5.5 842055 8 (84.20±5.5 60.58±6.1 605861 (60.58±6.1 p=0.01 p001 (p=0.01 5.48±1.5 54815 7.01±0.5 70105 4.11±1.9 41119 64207 6.42±0.7 (n α= (α=5 0.01±0. 0010 (0.01±0. 0.14±0. 0140 (0.14±0. p=0.0 p00 (p=0.0 0.18±0. 0180 (0.18±0. p<0.0 (p<0.00 84.20±5. 84205 (84.20±5. 60.58±6. 60586 (60.58±6. 5.48±1. 5481 7.01±0. 7010 4.11±1. 4111 6420 6.42±0. (α= 0.01±0 (0.01±0 0.14±0 014 (0.14±0 p=0. p0 (p=0. 0.18±0 018 (0.18±0 p<0. (p<0.0 84.20±5 8420 (84.20±5 60.58±6 6058 (60.58±6 5.48±1 548 7.01±0 701 4.11±1 411 642 6.42±0 (α 0.01± (0.01± 0.14± (0.14± p=0 (p=0 0.18± (0.18± p<0 (p<0. 84.20± 842 (84.20± 60.58± 605 (60.58± 5.48± 54 7.01± 70 4.11± 41 64 6.42± 0.01 (0.01 0.14 (0.14 p= (p= 0.18 (0.18 p< (p<0 84.20 (84.20 60.58 (60.58 5.48 7.01 4.11 6.42 0.0 (0.0 0.1 (0.1 (p (p< 84.2 (84.2 60.5 (60.5 5.4 7.0 4.1 6.4 0. (0. 84. (84. 60. (60. 5. 7. 4. (0 (84 (60 ( (8 (6

https://doi.org/10.1590/1678-7757-2023-0326

12.

Biogeographic history and environmental gradients modulate non-stationary patterns of tropical tree diversity nonstationary non stationary
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FERREIRA, PAULO SÉRGIO M.

; GONÇALVES-SOUZA, THIAGO

; OUCHI-MELO, LILIAN S.

; OLIVEIRA-FILHO, ARY T.

; RODAL, MARIA JESUS N.

Anais da Academia Brasileira de Ciências

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2024, Volume 96 Nº 1 elocation e20230063

Resumo: En | Texto: En | PDF: En

Abstract Here we studied the entire Atlantic Forest hotspot to investigate whether the effect of different environmental predictors depends on the phylogenetic extension and the biogeographical history of different Atlantic Forest sectors. We used occurrence data of 3,183 plant species with arboreal or arborescent habits. We reconstructed climatic stability across 120,000 years using the Random Forest method. Then, we compared the effect of biogeographical history, topographic, and climatic variables on species richness and phylogenetic diversity using Geographically Weighted Regression (GWR) models. Niche conservatism drives the strength and direction of environmental correlates with tree diversity, interacting with the biogeographical and phylogenetic extension considered. Low current climate seasonalities were the main drivers of species richness and phylogenetic diversity variation across the Atlantic Forest. Whereas in higher phylogenetic extension, topographic heterogeneity increased the number of tree species independent of the sector, deep-past climate stability favored phylogenetic diversity by increasing relict lineages of distant clades in all forests, but with anomalies in the southern sector. This investigation yields substantial evidence that the response of the northern and southern sectors of the Atlantic Forest to identical environmental conditions diverges significantly, providing compelling support for the imprint of phylogenetic heritage in generating non-linear diversity patterns. 3183 3 183 3,18 habits 120000 120 000 120,00 method Then GWR (GWR models considered sector deeppast deep past forests significantly nonlinear non linear patterns 318 18 3,1 12000 12 00 120,0 31 1 3, 1200 0 120,

https://doi.org/10.1590/0001-3765202420230063

13.

Survival and mortality profile among people living with HIV in a cohort in the Northeastern region of Brazil
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Leite, Kaliene Maria Estevão

; Lima, Kledoaldo Oliveira

; Ximenes, Ricardo Arraes de Alencar

; Albuquerque, Maria de Fatima Militão de

; Miranda-Filho, Demócrito de Barros

; Godoi, Emmanuelle Tenório Albuquerque Madruga

; Montarroyos, Ulisses Ramos

; Lacerda, Heloísa Ramos

Revista do Instituto de Medicina Tropical de São Paulo

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2024, Volume 66 elocation e23

Resumo: En | Texto: En | PDF: En

ABSTRACT Conditions related to the acquired immune deficiency syndrome (AIDS) are still a significant cause of morbidity and mortality among people living with HIV (PLHIV). Longer survival in this population were reported to increase the risk of developing noncommunicable chronic diseases (NCDs). This study aimed to estimate the survival and causes of death according to age group and sex among PLHIV monitored at two referral centers in the Northeastern Brazil. This is a prospective, retrospective cohort with death records from 2007 to 2018, based on a database that registers causes of death using the International Classification of Disease (ICD-10), which were subsequently coded following the Coding Causes of Death in HIV (CoDe). A total of 2,359 PLHIV participated in the study, with 63.2% being men, with a follow-up period of 13.9 years. Annual mortality rate was 1.46 deaths per 100 PLHIV (95% CI: 1.33 – 1.60) with a frequency of 20.9%. Risk of death for men increased by 49% when compared to women, and the risk of death in PLHIV increased by 51% among those aged 50 years and over at the time of diagnosis. It was observed that 73.5% accounted for AIDS-related deaths, 6.9% for non-AIDS defining cancer, 6.3% for external causes, and 3.2% for cardiovascular diseases. Among the youngest, 97.2% presented an AIDS-related cause of death. Highest frequency of deaths from neoplasms was among women and from external causes among men. There is a need for health services to implement strategies ensuring greater adherence to treatment, especially among men and young people. Moreover, screening for chronic diseases and cancer is essential, including the establishment of easily accessible multidisciplinary care centers that can identify and address habits such as illicit drug use and alcoholism, which are associated with violent deaths. AIDS (AIDS PLHIV. . (PLHIV) NCDs. NCDs (NCDs) Brazil prospective 200 2018 ICD10, ICD10 ICD 10 , (ICD-10) CoDe. CoDe (CoDe) 2359 2 359 2,35 632 63 63.2 followup follow up 139 13 9 13. 146 1 46 1.4 95% 95 (95 CI 133 33 1.3 1.60 160 60 209 20 20.9% 49 51 5 diagnosis 735 73 73.5 AIDSrelated 69 6 6.9 nonAIDS non 3 6.3 32 3.2 youngest 972 97 97.2 treatment Moreover essential alcoholism (PLHIV (NCDs 201 ICD1 (ICD-10 (CoDe 235 35 2,3 63. 14 4 1. (9 1.6 16 20.9 7 73. 6. 3. 97. (ICD-1 23 2, ( 20. (ICD- (ICD

https://doi.org/10.1590/s1678-9946202466023

14.

Associated factors, incidence, and management of gestational and congenital syphilis in a Brazilian state capital: a cross-sectional study factors incidence capital crosssectional cross sectional
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Pires, Cássia de Paula

; Mareto, Lisany Krug

; Medeiros, Márcio José de

; Oliveira, Everton Falcão de

Revista do Instituto de Medicina Tropical de São Paulo

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2024, Volume 66 elocation e21

Resumo: En | Texto: En | PDF: En

ABSTRACT Maternal and child health remains an enduring global challenge, having occupied a prominent position on international agendas since the dawn of the 21st century. During pregnancy, syphilis emerges as the second most prevalent cause of stillbirth on a global scale, potentially leading to a range of adverse outcomes. This study aimed to describe the clinical and epidemiological profile of cases of gestational and congenital syphilis and the hospital care provided for newborns in Campo Grande municipality, Mato Grosso do Sul State, Brazil, from 2013 to 2018. This is a cross-sectional study based on data from Brazilian Notifiable Diseases Surveillance System (SINAN) and hospital medical records. Chi-square or Fisher’s exact test and logistic regression analysis were used to assess the associations and relationships between the child’s clinical outcome at birth and the mother’s clinical-obstetric and epidemiological characteristics. Cumulative detection rate of gestational syphilis was 174.3 cases per 1,000 live births and cumulative incidence of congenital syphilis was 47.7 cases per 1,000 live births. Alcoholism, prenatal care, number of prenatal visits, maternal treatment regimen, and timing of maternal diagnosis were associated with child’s clinical outcome at birth and considered in the regression model. Prenatal visits showed a protective effect against the signs and symptoms of congenital syphilis (odds ratio = 0.37; 95% confidence interval = 0.17−0.77). Medical assistance was considered inadequate in 62.3% of cases. Prenatal consultations should be encouraged among pregnant women. There is a need for better education of health personnel on the treatment and diagnosis of syphilis. challenge st century pregnancy scale outcomes municipality State Brazil 201 2018 crosssectional cross sectional SINAN (SINAN records Chisquare Chi square Fishers Fisher s childs mothers mother clinicalobstetric obstetric characteristics 1743 174 3 174. 1000 1 000 1,00 477 47 7 47. Alcoholism regimen model odds 0.37 037 0 37 95 0.17−0.77. 017077 0.17−0.77 . 17 77 0.17−0.77) 623 62 62.3 women 20 100 00 1,0 4 0.3 03 9 01707 0.17−0.7 6 62. 2 10 1, 0. 0170 0.17−0. 017 0.17−0 01 0.17− 0.17 0.1

https://doi.org/10.1590/s1678-9946202466021

15.

Evaluation of the potential for greenhouse gas (CO2, CH4) emissions in the southern São Paulo coastal region, Cananéia-Iguape system CO2, CO2 CO (CO2 CH4 CH region CananéiaIguape Cananéia Iguape (CO
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Araujo, Elaine C.

; Correa, Thais

; Andrade, Izabel da S.

; Macedo, Fernanda de M.

; Marques, Marcia T.

; Andrade, Thais

; Souto-Oliveira, Carlos Eduardo

; Braga, Elisabete S.

; Andrade, Maria de F.

; Landulfo, Eduardo

Ocean and Coastal Research

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2024, Volume 72 elocation e24036

Resumo: En | Texto: En | PDF: En

ABSTRACT The emissions of CH4 and CO2, the primary greenhouse gases, have a significant impact on radiative forcing. This study investigated these gases along the Cananéia-Iguape estuarine system on the southern coast of the State of São Paulo, Brazil, which is a mangrove region characterized by low anthropogenic impact and a sparse population. As such, this area provides an ideal location for identifying natural emissions and background concentrations. The data for this study were collected using a portable gas analyzer (LGR-ICOSTM GLA131), known for its high sensitivity and precision in detecting gases, mounted on a research boat. The results obtained were promising for both gases. A small variability in CH4 concentrations was observed along the route, ranging from 1.84 ppm to 1.95 ppm, while CO2, showed greater variation in values obtained during routes, ranging from approximately 411 ppm to 575 ppm. This study underscores the importance of investigating areas with minimal environmental impact. Together with future analyses, this research should help improve Greenhouse Gas (GHG) inventories in Brazil by providing valuable baseline data for comparisons with more impacted areas. CH CO2 CO forcing CananéiaIguape Cananéia Iguape Paulo population such LGRICOSTM LGR ICOSTM GLA131, GLA131 GLA , GLA131) boat route 184 1 84 1.8 195 95 1.9 routes 41 57 analyses GHG (GHG GLA13 18 8 1. 19 9 4 5 GLA1

https://doi.org/10.1590/2675-2824072.22121

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