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CONCEITOS EM CRISTALOGRAFIA ESTRUTUAL: UMA ABORDAGEM COMPREENSIVA DA LEI DE BRAGG E DO FATOR DE ESTRUTURA ESTRUTUAL
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Machado, Rafael P.

; Doriguetto, Antônio C.

Química Nova

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2025, Volume 48 N. 1 elocation e-20250064

Abstract: Pt | Text: Pt | PDF: Pt

It is not uncommon that as a chemistry course progresses, along with the deepening of the content studied, the tendency of not carefully revisiting the foundations of the concepts covered and deepened also increases. The understanding of the structure of matter that develops throughout the course, starting from the first concepts of atomic theory, going through chemical bonds, molecules, intermolecular interactions to the study of how matter is aggregated in the solid state, is an example of knowledge that grows in depth and complexity. In this context, crystallography presents itself as a vast interdisciplinary area that contributes to understanding the matter. This article explores fundamental mathematical, historical, chemical, and physical concepts, connecting them to offer a more comprehensive and logically coherent understanding of key crystallography principles. progresses studied increases theory bonds molecules state complexity context mathematical historical principles

https://doi.org/10.21577/0100-4042.20250064

Renal osteodystrophy and clinical outcomes: a prospective cohort study outcomes
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Carbonara, Cinthia Esbrile Moraes

; Barreto, Joaquim

; Roza, Noemi Angelica Vieira

; Quadros, KélciaRosana da Silva

; Reis, Luciene Machado dos

; Carvalho, Aluízio Barbosa de

; Sposito, Andrei C.

; Jorgetti, Vanda

; Oliveira, Rodrigo Bueno de

Brazilian Journal of Nephrology

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jun 2024, Volume 46 N. 2 elocation e20230119

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

Resumo Introdução: Osteodistrofia renal (OR) refere-se a um grupo de padrões morfológicos ósseos que decorrem de mecanismos fisiopatológicos distintos. É desconhecido se os subtipos de OR influenciam desfechos em longo prazo. Nosso objetivo foi explorar as relações entre OR e desfechos. Métodos: Este estudo é uma subanálise do Registro Brasileiro de Biópsias Ósseas (REBRABO). As amostras de cada paciente foram classificadas em osteíte fibrosa (OF), osteodistrofia urêmica mista (MUO), doença óssea adinâmica (ABD), osteomalácia (OM), alterações normais/menores, e pelo sistema Remodelação / Mineralização / Volume (RMV). Os pacientes foram acompanhados por 3,4 anos. Os eventos clínicos foram: fraturas ósseas, hospitalizações, eventos cardiovasculares adversos maiores (MACE), e óbito. Resultados: Analisamos 275 indivíduos, 248 (90%) deles estavam em diálise. No acompanhamento, 28 fraturas ósseas, 97 hospitalizações, 44 MACE e 70 óbitos foram registrados. Os subtipos de OR não foram relacionados aos desfechos clínicos. Conclusão: A incidência de desfechos clínicos não diferiu entre os tipos de OR. Introdução (OR referese refere distintos prazo Métodos REBRABO. REBRABO . (REBRABO) OF, OF , (OF) MUO, MUO (MUO) ABD, ABD (ABD) OM, OM (OM) normaismenores normais menores normais/menores RMV. RMV (RMV) 34 3 4 3, anos ósseas hospitalizações MACE, (MACE) óbito Resultados 27 indivíduos 24 90% 90 (90% diálise acompanhamento 2 9 7 registrados Conclusão (REBRABO (OF (MUO (ABD (OM (RMV (MACE (90 (9 (

Abstract Introduction: Renal osteodystrophy (ROD) refers to a group of bone morphological patterns that derive from distinct pathophysiological mechanisms. Whether the ROD subtypes influence long-term outcomes is unknown. Our objective was to explore the relationship between ROD and clinical outcomes. Methods: This study is a subanalysis of the Brazilian Registry of Bone Biopsies (REBRABO). Samples from individual patients were classified as having osteitis fibrosa (OF), mixed uremic osteodystrophy (MUO), adynamic bone disease (ABD), osteomalacia (OM), normal/minor alterations, and according to turnover/mineralization/volume (TMV) system. Patients were followed for 3.4 yrs. Clinical outcomes were: bone fractures, hospitalization, major adverse cardiovascular events (MACE), and death. Results: We enrolled 275 participants, of which 248 (90%) were on dialysis. At follow-up, 28 bone fractures, 97 hospitalizations, 44 MACE, and 70 deaths were recorded. ROD subtypes were not related to outcomes. Conclusion: The incidence of clinical outcomes did not differ between the types of ROD. Introduction (ROD mechanisms longterm long term unknown Methods REBRABO. REBRABO . (REBRABO) OF, OF , (OF) MUO, MUO (MUO) ABD, ABD (ABD) OM, OM (OM) normalminor normal minor alterations turnovermineralizationvolume turnover mineralization volume TMV (TMV system 34 3 4 3. yrs fractures hospitalization MACE (MACE) death Results 27 participants 24 90% 90 (90% dialysis followup, followup follow up, up follow-up 2 9 hospitalizations 7 recorded Conclusion (REBRABO (OF (MUO (ABD (OM (MACE (90 (9 (

https://doi.org/10.1590/2175-8239-jbn-2023-0119en

Comparison of the effectiveness of different high-flow devices in neonatal care highflow high flow
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Kaminski, Diogo Machado

; Biazus, Graziela Ferreira

; Silveira, Rita C.

; Procianoy, Renato Soibelmann

Jornal de Pediatria

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apr 2024, Volume 100 N. 2 Pages 212 - 217

Abstract: En | Text: En | PDF: En

Abstract Objective: To evaluate the success rate of high-flow nasal cannula (HFNC) therapy using an adapted obsolete mechanical ventilator (MV), Optiflow™ and Vapotherm™ in newborns (NBs). Method: This was a retrospective observational study conducted in the neonatal intensive care unit (NICU). The sample comprised NBs who underwent HFNC therapy due to ventilatory dysfunction, for weaning from non-invasive ventilation (NIV), or post-extubation. The three groups, stratified according to gestational age (GA) and birth weight, and corrected GA and weight at the beginning of HFNC use, were as follows: Optiflow ™, Vapotherm ™, and obsolete Mechanical Ventilator (MV) adapted for high flow therapy. Subsequently, the NBs were divided into a success group (SG) and a failure group (FG). HFNC success was defined as a therapy duration exceeding 72 h. Results: A total of 209 NBs were evaluated, with 31.1 % using HFNC due to ventilatory dysfunction, 2.4 % after extubation, and 66.5 % after NIV weaning. HFNC success rate was observed in 90.9 % of the NBs, with no difference between equipment types (Vapotherm ™, Optiflow ™, and adapted VM). Conclusion: Different types of HFNC equipment are equally effective when used in neonatology for respiratory dysfunction, as a method of weaning from NIV and post-extubation. Adapted obsolete MV can be an alternative for HFCN therapy in resource-constrained settings. Objective highflow (HFNC MV, , NBs. . (NBs) Method NICU. NICU (NICU) dysfunction noninvasive non invasive NIV, (NIV) postextubation. postextubation post extubation. extubation post-extubation groups (GA use follows ™ (MV Subsequently SG (SG FG. FG (FG) 7 h Results 20 evaluated 311 31 1 31. 24 2 4 2. 665 66 5 66. 909 90 9 90. VM. VM VM) Conclusion resourceconstrained resource constrained settings (NBs (NICU (NIV (FG 3 6

https://doi.org/10.1016/j.jped.2023.10.006

Anomalía de Ebstein: a propósito de un caso
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Machado-Bernal, Jaime A.

; García-Herrera, Kelly P.

; Díaz-Narvaez, Mayerli C.

; Vargas-Barrios, Isaac

Revista chilena de obstetricia y ginecología

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feb 2024, Volume 89 N. 1 Pages 48 - 51

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

Abstract Ebstein’s anomaly is a rare and infrequent congenital heart disease characterized by the attachment of the tricuspid valve leaflets; in the prenatal stage it is estimated that its incidence corresponds to 3% of all diagnosed heart diseases. We present the case of a fetus diagnosed with Ebstein’s anomaly who underwent an adequate prenatal diagnosis, which made it possible to plan the neonatal birth with a comprehensive multidisciplinary team. Due to the rarity of the prenatal diagnosis of this entity, the clinical case and the representative imaging findings are described.

Resumen La anomalía de Ebstein es una cardiopatía congénita rara y poco frecuente caracterizada por el adosamiento de los velos valvulares tricuspídeos; en la etapa prenatal se estima que su incidencia corresponde a un 3% de todas las cardiopatías diagnosticadas. Se presenta el caso de un feto con diagnóstico de anomalía de Ebstein a quien se le realizó un diagnóstico prenatal adecuado, lo que permitió planificar el nacimiento neonatal con un equipo multidisciplinario integral. Debido a la rareza del diagnóstico prenatal de esta entidad, se describe el caso clínico y los hallazgos imagenológicos representativos.

https://doi.org/10.24875/rechog.23000067

Coverage and determinants of childhood vaccination during the COVID-19 pandemic in Fortaleza, Northeastern Brazil: a longitudinal analysis
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Araújo, David Augusto Batista Sá

; Correia, Luciano Lima

; Lima, Pedro Lucas Grangeiro de Sá Barreto

; Vasconcelos, Sophia Costa

; Farías-Antúnez, Simone

; Gomes, Yuri Valentim Carneiro

; Nogueira, Denise Lima

; Castro, Márcia C.

; Machado, Marcia Maria Tavares

Cadernos de Saúde Pública

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2024, Volume 40 N. 1 elocation e00074723

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

Abstract: Brazil has seen a decrease in vaccination coverage since 2016. This study analyzes the immunization status of children born during the COVID-19 pandemic in Fortaleza, Northeastern Brazil. This is a longitudinal analysis that included vaccination data of 313 children aged 12 and 18 months. Vaccination cards were checked for dose application considering the schedule of immunization recommended by the Brazilian Ministry of Health. Factors associated with no retention of vaccination cards and incomplete immunization by 18 months were identified by Tobit regression analysis. About 73% of mothers presented their child’s vaccination card. Non-availability of vaccination cards was associated with maternal age < 25 years and mothers with paid jobs. Only 33% and 45% of the children aged 12 and 18 months had all vaccines up to date, respectively. For 3-dose vaccines, the delay rate was around 10% for the first dose application, but 40% for the third dose. Despite delays, most children with available vaccine cards had coverage above 90% by 18 months of age. Adjusted factors associated with incomplete vaccination included living in a household with more than one child (p = 0.010) and monthly income of less than one minimum wage (p = 0.006). Therefore, delays in child vaccine application were high during the COVID-19 pandemic but a considerable uptake by 18 months of age was found. Poorer families with more than one child were particularly at risk of not fully immunizing their children and should be the target of public policies.

Resumen: Brasil ha experimentado una disminución en la cobertura vacunal desde el 2016. Este estudio analiza la situación vacunal de los niños nacidos durante la pandemia de COVID-19 en Fortaleza, Nordeste de Brasil. Un análisis longitudinal incluyó a 313 niños con información a los 12 y 18 meses de edad. Se revisaron los carnés de vacunación para aplicar la dosis considerando el calendario de inmunización recomendado por el Ministerio de Salud. Los factores asociados con la no retención del carné de vacunación y la inmunización incompleta a los 18 meses se identificaron mediante la regresión de Tobit. Alrededor del 73% de las madres presentaron el carné de vacunación de sus hijos. La no disponibilidad del carné de vacunación se asoció con la edad materna < 25 años y la participación materna en actividad remunerada. Solo el 33% y el 45% de los niños estaban al día con todas sus vacunas a los 12 meses y 18 meses, respectivamente. Para las vacunas de 3 dosis, la tasa de retraso fue de alrededor del 10% para la 1ª dosis, pero del 40% para la 3ª dosis. A pesar de los retrasos, la mayoría de los niños con el carné de vacunación disponible tenía una cobertura superior al 90% hasta los 18 meses de edad. Los factores ajustados asociados con la vacunación incompleta fueron vivir en un hogar con más de un hijo (p = 0,010) e ingreso mensual inferior a 1 salario mínimo (p = 0,006). En definitiva, los retrasos en la administración de la vacuna infantil fueron altos durante la pandemia de COVID-19, pero hubo una adhesión considerable hasta los 18 meses de edad. Las familias más pobres, con más de un hijo, corren el riesgo de no inmunizar completamente a sus hijos y deberían ser objeto de políticas públicas.

Resumo: O Brasil registra uma diminuição na cobertura vacinal desde 2016. Este estudo analisa a situação vacinal de crianças nascidas durante a pandemia de COVID-19 em Fortaleza, Nordeste do Brasil. Uma análise longitudinal incluiu 313 crianças com informações aos 12 e 18 meses de idade. A aplicação das doses foram conferidas com base nos cartões de vacinação, considerando o calendário de imunização recomendado pelo Ministério da Saúde. Fatores associados à não retenção do cartão de vacinação e imunização incompleta aos 18 meses foram identificados por meio da regressão de Tobit. Cerca de 73% das mães apresentaram o cartão de vacinação do filho. A não apresentação do cartão de vacinação associou-se à idade materna < 25 anos e à participação materna em emprego remunerado. Apenas 33% e 45% das crianças tinham todas as vacinas em dia aos 12 meses e 18 meses, respectivamente. Para as vacinas com 3 doses, a taxa de atraso foi de cerca de 10% para a aplicação da 1ª dose, mas de 40% para a 3ª dose. Apesar dos atrasos, a maioria das crianças com cartão de vacinação disponível tinha cobertura acima de 90% até os 18 meses de idade. Os fatores ajustados associados à vacinação incompleta foram residir em domicílio com mais de um filho (p = 0,010) e renda mensal inferior a 1 salário mínimo (p = 0,006). Em conclusão, os atrasos na aplicação da vacina infantil foram altos durante a pandemia de COVID-19, mas houve uma adesão considerável até os 18 meses de idade. As famílias mais pobres, com mais de um filho, correm o risco de não imunizar totalmente seus filhos e devem ser alvo de políticas públicas.

https://doi.org/10.1590/0102-311xen074723

Stochastic Sensing of Organotin Compounds with Alpha-Hemolysin Nanopore AlphaHemolysin Alpha Hemolysin
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Silva, Artur A. R.

; Silva Júnior, Janilson J.

; Machado, Dijanah C.

; Pontes, Frederico J. S.

; Pol-Fachin, Laércio

; Aguiar, Juliana P.

; Rodriguesa, Claudio G.

Journal of the Brazilian Chemical Society

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2024, Volume 35 N. 2 elocation e-20230127

Abstract: En | Text: En | PDF: En

Organotin compounds (OTCs) are pollutants that affect the reproduction of some marine organisms and can cause autoimmune diseases in humans. Most of the techniques used for detection and monitoring of OTCs in the environment have limitations due to several stages of sample pre-processing. Here, we demonstrated the use of the α-hemolysin (αHL) nanopore as an alternative platform for the detection of the cyhexatin and diphenyltin dichloride (DPhT) in aqueous systems. The detection process is based on the analysis of the residence times of each OTCs within the unitary nanopore, as well as, on the amplitudes of the blockages in the ionic current flowing through it. Cyhexatin and DPhT induced two and three patterns in the amplitude of the blockages in the ionic current, respectively. Residence time value of the cyhexatin inside the nanopore was higher than the value presented by the DPhT. Molecular docking was used to evaluate the interactions between OTCs and nanopore constriction, mainly identifying cation-π and hydrogen interactions. Classical atomistic molecular dynamic simulations confirm moderate aggregative behavior of these OTCs in solution in cationic form, especially for cyhexatin species. The nanopore detects OTCs at nanomolar level and it is possible to use this nanopore to monitor OTCs in aqueous systems. (OTCs humans preprocessing. preprocessing pre processing. processing pre-processing Here αhemolysin α hemolysin αHL (αHL (DPhT systems respectively constriction cationπ cation π form species

https://doi.org/10.21577/0103-5053.20230127

Coverage and determinants of childhood vaccination during the COVID-19 pandemic in Fortaleza, Northeastern Brazil: a longitudinal analysis COVID19 COVID 19 COVID-1 Fortaleza Brazil COVID1 1 COVID-
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Araújo, David Augusto Batista Sá

; Correia, Luciano Lima

; Lima, Pedro Lucas Grangeiro de Sá Barreto

; Vasconcelos, Sophia Costa

; Farías-Antúnez, Simone

; Gomes, Yuri Valentim Carneiro

; Nogueira, Denise Lima

; Castro, Márcia C.

; Machado, Marcia Maria Tavares

Cadernos de Saúde Pública

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2024, Volume 40 N. 1 elocation e00074723

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

https://doi.org/10.1590/0102-311xen074723

Effects of biochar on soil fertility and the morphometry and production of elephant grass cultivars
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Pacheco, Laiane B.

; Machado, Roriz L.

; Soares, Frederico A. L.

; Silva, Pedro S. F. da

; Rabelo, Kassia C. de C.

; Lima, Ângelo A. de

Revista Caatinga

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2024, Volume 37 elocation e11786

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

RESUMO Entre as diversas espécies forrageiras utilizadas na alimentação de ruminantes, o capim elefante (Pennisetum purpureum Schum.) se destaca por ser perene e de elevado potencial de produção de matéria seca. Objetivou-se com o presente trabalho avaliar o desempenho de cultivares de capim elefante e características químicas do solo sob diferentes níveis de biochar e épocas de avaliação sob irrigação na época da seca. Os tratamentos foram dispostos em delineamento em blocos casualizados (DBC) em esquema fatorial, e analisado em parcelas subdivididas, sendo as parcelas, as cultivares BRS Capiaçu e BRS Kurumi x doses de biochar (0, 8, 16 e 24 t ha-1), e as subparcelas, quatro épocas de avaliação (71, 225, 335 e 447 dias após aplicação do biochar), com quatro repetições. Para avaliação de características químicas do solo o delineamento não teve o fator épocas, sendo analisado em DBC em fatorial 2 x 4, com 4 repetições. Os atributos analisados foram a fertilidade de solo, a morfometria e o rendimento de capim elefante. Nas avaliações aos 225 (2ª) e 335 (3ª) dias após aplicação de biochar houve melhor desempenho das cultivares. As doses de biochar não aumentaram significativamente atributos morfométricos, de produtividade das cultivares e fertilidade do solo. A aplicação de biochar não melhora os atributos de produtividade e proteína bruta das cultivares de capim elefante nas condições deste estudo. ruminantes Pennisetum Schum. Schum seca Objetivouse Objetivou (DBC subdivididas 0, 0 (0 8 1 ha1, ha1 ha , ha-1) subparcelas 71, 71 (71 33 44 biochar, biochar) repetições 22 2ª ª (2ª 3ª (3ª morfométricos estudo ( ha-1 7 (7 3 ha-

ABSTRACT Among the various forage species used in ruminant feeding, elephant grass (Pennisetum purpureum Schum.) is notable as it is a perennial plant and has a high potential for dry matter production. The present study evaluated the performance of elephant grass cultivars and soil chemical characteristics under different biochar addition levels and at different evaluation times under irrigation in the dry season. The treatments were arranged in a factorial randomized complete block design (CBD) and analyzed in a split-plot design according to cultivar (BRS Capiaçu and BRS Kurumi) x biochar dose (0, 8, 16 and 24 t ha-1); the subplots consisted of four evaluation times (71, 225, 335 and 447 days after application of biochar), with four replicates. The soil chemical characteristics were evaluated without inclusion of the time factor according to a CBD in a 2 x 4 factorial scheme, with 4 replications. The attributes analyzed were soil fertility, morphometry and elephant grass yield. The performance of the cultivars improved at 225 days (2nd evaluation) and 335 days (3rd evaluation) after biochar application. The biochar doses did not significantly increase morphometric attributes, cultivar productivity or soil fertility. The application of biochar did not improve the yield attributes or crude protein of elephant grass cultivars under the conditions of this study. feeding Pennisetum Schum. Schum production season (CBD splitplot split plot Kurumi 0, 0 (0 8 1 ha1 ha ha-1) 71, 71 (71 33 44 biochar, , biochar) replicates scheme replications fertility 22 2nd nd 3rd rd ( ha-1 7 (7 3 ha-

https://doi.org/10.1590/1983-21252024v3711786rc

Acidic and Basic Functionalized Biochar from Licuri Nutshell for Methylene Blue Removal: A More Sustainable Solution for Wastewater Treatment Removal
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Bitencourt, Gustavo F.

; Machado, Letícia F. L.

; Peixoto, Bruno S.

; Castro, Laís F. de

; Veloso, Márcia Cristina C.

; Romeiro, Gilberto A.

; Lima, Thiago M.

Journal of the Brazilian Chemical Society

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2024, Volume 35 N. 5 elocation e-20230182

Abstract: En | Text: En | PDF: En

The right to clean water is one of the Sustainable Development Goals from the United Nations Agenda 2030. Industrial activity produces several tons of wastewater daily contaminated with dyes that must be treated. In this sense, the adsorption employing carbon-based materials as adsorbents is one of the most used and efficient processes. In this study, we developed a more sustainable biochar derived from a licuri nutshell (LN), a typical Brazilian lignocellulosic residue, for methylene blue (MB) removal. The chemical treatment of this biochar with sulfuric acid and sodium hydroxide created a functional structure with acid and basic sites. The licuri nutshell modified biochar (LNMB) presented a maximum adsorption capacity of MB of 826.45 mg g-1, while the non-modified biochar and the commercial activated carbon presented only 5.27 and 142.86 mg g-1, respectively. The recyclability of the adsorbents was evaluated, and there was a loss of efficiency in each cycle for every material. However, it is remarkable that LNMB presented in only one adsorption cycle almost six times more MB removal than the commercial material, thus proving its promising feature as a greener adsorbent derived from lignocellulosic waste. 2030 treated sense carbonbased based processes study LN, LN , (LN) residue (MB sites (LNMB 82645 826 45 826.4 g1, g1 g 1, 1 g-1 nonmodified non 527 5 27 5.2 14286 142 86 142.8 respectively evaluated material However waste 203 (LN 8264 82 4 826. g- 52 2 5. 1428 14 8 142. 20

https://doi.org/10.21577/0103-5053.20230182

10.

1H NMR Chemical Profile and Antioxidant Activity of Eugenia punicifolia Extracts Over Seasons: A Metabolomic Pilot Study H Seasons
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Neves, Kidney O. G.

; Santos, Maria F. C.

; Mar, Josiana M.

; Pontes, Flávia L. D.

; Tormena, Claudio F.

; Chaves, Francisco C. M.

; Campos, Francinete R.

; Sanches, Edgar Aparecido

; Bezerra, Jaqueline A.

; Machado, Marcos B.

; Santos, Alan D. C.

Journal of the Brazilian Chemical Society

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2024, Volume 35 N. 7 elocation e-20240010

Abstract: En | Text: En | PDF: En

Eugenia punicifolia (Kunth) DC. is a medicinal plant used to treat diseases related to oxidative processes. In this work, 1H nuclear magnetic resonance (NMR) spectroscopy and multivariate analysis have been employed to track the chemical changes and antioxidant activity of dimethyl sulfoxide (DMSO) extracts from E. punicifolia leaves over seasons. Principal component analysis (PCA) applied to 1H NMR allowed discriminating DMSO extracts from leaves collected in the dry and rainy seasons and pointed out sucrose, catechin, and epicatechin as responsible for separating dry season samples and quercetin, acid gallic, glucose, and fatty acids contributed for rainy samples grouping. Notably, antioxidant assays revealed that dry season extracts exhibited a higher radical scavenging capacity. When those compounds were submitted to partial least squares-discriminant analysis (PLS-DA) only sucrose and fatty acids presented variable importance projection (VIP) score > 1, both metabolites are related somehow to the defense mechanisms of the plant. This pilot study may suggest new experimental approaches for more effectively monitoring the spectrum-effect relationship of E. punicifolia leaf extracts. Kunth (Kunth DC processes work H (NMR (DMSO E PCA (PCA catechin quercetin gallic glucose grouping Notably capacity squaresdiscriminant squares discriminant PLSDA PLS DA (PLS-DA VIP (VIP 1 spectrumeffect spectrum effect

https://doi.org/10.21577/0103-5053.20240010

11.

Combinação de Ferramentas de Telecardiologia para Estratificação de Risco Cardiovascular na Atenção Primária: Dados do Estudo PROVAR+ Primária PROVAR
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Fraga, Lucas Leal

; Nascimento, Bruno Ramos

; Haiashi, Beatriz Costa

; Ferreira, Alexandre Melo

; Silva, Mauro Henrique Agapito

; Ribeiro, Isabely Karoline da Silva

; Silva, Gabriela Aparecida

; Vinhal, Wanessa Campos

; Coimbra, Mariela Mata

; Silva, Cássia Aparecida

; Machado, Cristiana Rosa Lima

; Pires, Magda C.

; Diniz, Marina Gomes

; Santos, Luiza Pereira Afonso

; Amaral, Arthur Maia

; Diamante, Lucas Chaves

; Fava, Henrique Leão

; Sable, Craig

; Nunes, Maria Carmo Pereira

; Ribeiro, Antonio Luiz P.

; Cardoso, Clareci Silva

Arquivos Brasileiros de Cardiologia

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2024, Volume 121 N. 2 elocation e20230653

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

Resumo Fundamento: As ferramentas de telecardiologia são estratégias valiosas para melhorar a estratificação de risco. Objetivo: Objetivamos avaliar a acurácia da tele-eletrocardiografia (ECG) para predizer anormalidades no ecocardiograma de rastreamento na atenção primária. Métodos: Em 17 meses, 6 profissionais de saúde em 16 unidades de atenção primária foram treinados em protocolos simplificados de ecocardiografia portátil. Tele-ECGs foram registrados para diagnóstico final por um cardiologista. Pacientes consentidos com anormalidades maiores no ECG pelo código de Minnesota e uma amostra 1:5 de indivíduos normais foram submetidos a um questionário clínico e ecocardiograma de rastreamento interpretado remotamente. A doença cardíaca grave foi definida como doença valvular moderada/grave, disfunção/hipertrofia ventricular, derrame pericárdico ou anormalidade da motilidade. A associação entre alterações maiores do ECG e anormalidades ecocardiográficas foi avaliada por regressão logística da seguinte forma: 1) modelo não ajustado; 2) modelo 1 ajustado por idade/sexo; 3) modelo 2 mais fatores de risco (hipertensão/diabetes); 4) modelo 3 mais história de doença cardiovascular (Chagas/cardiopatia reumática/cardiopatia isquêmica/AVC/insuficiência cardíaca). Foram considerados significativos valores de p < 0,05. Resultados: No total, 1.411 pacientes realizaram ecocardiograma, sendo 1.149 (81%) com anormalidades maiores no ECG. A idade mediana foi de 67 anos (intervalo interquartil de 60 a 74) e 51,4% eram do sexo masculino. As anormalidades maiores no ECG se associaram a uma chance 2,4 vezes maior de doença cardíaca grave no ecocardiograma de rastreamento na análise bivariada (OR = 2,42 [IC 95% 1,76 a 3,39]) e permaneceram significativas (p < 0,001) após ajustes no modelo 2 (OR = 2,57 [IC 95% 1,84 a 3,65]), modelo 3 (OR = 2,52 [IC 95% 1,80 a 3,58]) e modelo 4 (OR = 2,23 [IC 95% 1,59 a 3,19]). Idade, sexo masculino, insuficiência cardíaca e doença cardíaca isquêmica também foram preditores independentes de doença cardíaca grave no ecocardiograma. Conclusões: As anormalidades do tele-ECG aumentaram a probabilidade de doença cardíaca grave no ecocardiograma de rastreamento, mesmo após ajustes para variáveis demográficas e clínicas. Fundamento Objetivo teleeletrocardiografia tele eletrocardiografia (ECG Métodos meses portátil TeleECGs Tele ECGs cardiologista 15 5 1: remotamente moderadagrave moderada moderada/grave disfunçãohipertrofia disfunção hipertrofia ventricular motilidade forma idade/sexo idadesexo hipertensão/diabetes hipertensãodiabetes hipertensão diabetes (hipertensão/diabetes) Chagas/cardiopatia Chagascardiopatia Chagas cardiopatia reumáticacardiopatia reumática isquêmicaAVCinsuficiência AVC cardíaca. . cardíaca) 005 0 05 0,05 Resultados total 1411 411 1.41 1149 149 1.14 81% 81 (81% intervalo 74 514 51 51,4 masculino 24 2, OR 242 42 IC 95 176 76 1,7 3,39 339 39 3,39] 0,001 0001 001 257 57 2,5 184 84 1,8 3,65, 365 3,65 , 65 3,65]) 252 52 180 80 3,58 358 58 3,58] 223 23 2,2 159 59 1,5 3,19. 319 3,19 19 3,19]) Idade Conclusões teleECG clínicas (hipertensão/diabetes 00 0,0 141 41 1.4 114 14 1.1 8 (81 7 51, 9 1, 3,3 33 0,00 000 25 18 36 3,6 3,65] 3,5 35 22 31 3,1 3,19] 0, 1. 11 (8 3, (

Abstract Background: Tele-cardiology tools are valuable strategies to improve risk stratification. Objective: We aimed to evaluate the accuracy of tele-electrocardiography (ECG) to predict abnormalities in screening echocardiography (echo) in primary care (PC). Methods: In 17 months, 6 health providers at 16 PC units were trained on simplified handheld echo protocols. Tele-ECGs were recorded for final diagnosis by a cardiologist. Consented patients with major ECG abnormalities by the Minnesota code, and a 1:5 sample of normal individuals underwent clinical questionnaire and screening echo interpreted remotely. Major heart disease was defined as moderate/severe valve disease, ventricular dysfunction/hypertrophy, pericardial effusion, or wall-motion abnormalities. Association between major ECG and echo abnormalities was assessed by logistic regression as follows: 1) unadjusted model; 2) model 1 adjusted for age/sex; 3) model 2 plus risk factors (hypertension/diabetes); 4) model 3 plus history of cardiovascular disease (Chagas/rheumatic heart disease/ischemic heart disease/stroke/heart failure). P-values < 0.05 were considered significant. Results: A total 1,411 patients underwent echo; 1,149 (81%) had major ECG abnormalities. Median age was 67 (IQR 60 to 74) years, and 51.4% were male. Major ECG abnormalities were associated with a 2.4-fold chance of major heart disease on echo in bivariate analysis (OR = 2.42 [95% CI 1.76 to 3.39]), and remained significant after adjustments in models (p < 0.001) 2 (OR = 2.57 [95% CI 1.84 to 3.65]), model 3 (OR = 2.52 [95% CI 1.80 to3.58]), and model 4 (OR = 2.23 [95%CI 1.59 to 3.19]). Age, male sex, heart failure, and ischemic heart disease were also independent predictors of major heart disease on echo. Conclusions: Tele-ECG abnormalities increased the likelihood of major heart disease on screening echo, even after adjustments for demographic and clinical variables. Background Telecardiology Tele cardiology stratification Objective teleelectrocardiography tele electrocardiography (ECG (echo PC. . (PC) Methods months protocols TeleECGs ECGs cardiologist code 15 5 1: remotely moderatesevere moderate severe dysfunctionhypertrophy dysfunction hypertrophy dysfunction/hypertrophy effusion wallmotion wall motion follows age/sex agesex sex hypertension/diabetes hypertensiondiabetes hypertension diabetes (hypertension/diabetes) Chagas/rheumatic Chagasrheumatic Chagas rheumatic diseaseischemic diseasestrokeheart stroke failure. failure failure) Pvalues P values 005 0 05 0.0 Results 1411 411 1,41 1149 149 1,14 81% 81 (81% IQR 74 years 514 51 51.4 2.4fold 24fold fold 2.4 OR 242 42 95% 95 [95 176 76 1.7 3.39, 339 3.39 , 39 3.39]) p 0.001 0001 001 257 57 2.5 184 84 1.8 3.65, 365 3.65 65 3.65]) 252 52 180 80 to3.58, to358 to3.58 to3 58 to3.58]) 223 23 2.2 95%CI 95CI 159 59 1.5 3.19. 319 3.19 19 3.19]) Age Conclusions TeleECG variables (PC (hypertension/diabetes 00 0. 141 41 1,4 114 14 1,1 8 (81 7 51. 4fold 24 2. 9 [9 1. 33 3.3 3.39] 0.00 000 25 18 36 3.6 3.65] to35 to3.5 to3.58] 22 31 3.1 3.19] 1, 11 (8 [ 3. to3. (

https://doi.org/10.36660/abc.20230653

12.

Occupational exposure to pesticides deregulates systemic cortisol levels in women with breast cancer and correlates with poor prognosis features
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Jumes, J.J.

; Jaques, H.S.

; Dalla Vecchia, M.F.

; Ferreira, M.O.

; Orrutéa, J.F.G.

; Machado, M.G.

; Mezoni, M.F.

; Silva, R.G.S. da

; Almeida, R.F.

; Rech, D.

; Kawassaki, A.C.B.

; Panis, C.

Brazilian Journal of Medical and Biological Research

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2024, Volume 57 elocation e13060

Abstract: En | Text: En | PDF: En

Pesticides have been pointed out as hormone disruptors and may significantly affect the prognosis of hormone-dependent diseases such as breast cancer (BC). Here, we investigated the impact of occupational pesticide exposure on systemic cortisol levels in female rural workers diagnosed with BC. Occupational exposure was assessed by interviews with a standardized questionnaire. Plasma samples (112 from pesticide-exposed women and 77 from unexposed women) were collected in the afternoon, outside the physiological cortisol peak, and analyzed by a chemiluminescent paramagnetic immunoassay for the quantitative determination of cortisol levels in serum and plasma. The results from both groups were categorized according to patients' clinicopathological and exposure data. BC pesticide-exposed women presented higher levels of cortisol than the unexposed. Higher cortisol levels were also detected in the exposed group with more aggressive disease (triple-negative BC), with tumors over 2 cm, with lymph node metastases, and with high risk of disease recurrence and death. These findings demonstrated that there is an association between pesticide exposure and BC that affected cortisol levels and correlated to poor disease prognosis. hormonedependent dependent . (BC) Here questionnaire 112 (11 pesticideexposed 7 afternoon peak plasma patients data triplenegative triple negative BC, , BC) cm metastases death (BC 11 (1 1 (

https://doi.org/10.1590/1414-431x2023e13060

13.

Diretrizes Brasileiras de Medidas da Pressão Arterial Dentro e Fora do Consultório – 2023 202 20 2
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Feitosa, Audes Diogenes de Magalhães

; Barroso, Weimar Kunz Sebba

; Mion Junior, Decio

; Nobre, Fernando

; Mota-Gomes, Marco Antonio

; Jardim, Paulo Cesar Brandão Veiga

; Amodeo, Celso

; Oliveira, Adriana Camargo

; Alessi, Alexandre

; Sousa, Ana Luiza Lima

; Brandão, Andréa Araujo

; Pio-Abreu, Andrea

; Sposito, Andrei C.

; Pierin, Angela Maria Geraldo

; Paiva, Annelise Machado Gomes de

; Spinelli, Antonio Carlos de Souza

; Machado, Carlos Alberto

; Poli-de-Figueiredo, Carlos Eduardo

; Rodrigues, Cibele Isaac Saad

; Forjaz, Claudia Lucia de Moraes

; Sampaio, Diogo Pereira Santos

; Barbosa, Eduardo Costa Duarte

; Freitas, Elizabete Viana de

; Cestario, Elizabeth do Espirito Santo

; Muxfeldt, Elizabeth Silaid

; Lima Júnior, Emilton

; Campana, Erika Maria Gonçalves

; Feitosa, Fabiana Gomes Aragão Magalhães

; Consolim-Colombo, Fernanda Marciano

; Almeida, Fernando Antônio de

; Silva, Giovanio Vieira da

; Moreno Júnior, Heitor

; Finimundi, Helius Carlos

; Guimarães, Isabel Cristina Britto

; Gemelli, João Roberto

; Barreto-Filho, José Augusto Soares

; Vilela-Martin, José Fernando

; Ribeiro, José Marcio

; Yugar-Toledo, Juan Carlos

; Magalhães, Lucélia Batista Neves Cunha

; Drager, Luciano F.

; Bortolotto, Luiz Aparecido

; Alves, Marco Antonio de Melo

; Malachias, Marcus Vinícius Bolívar

; Neves, Mario Fritsch Toros

; Santos, Mayara Cedrim

; Dinamarco, Nelson

; Moreira Filho, Osni

; Passarelli Júnior, Oswaldo

; Vitorino, Priscila Valverde de Oliveira

; Miranda, Roberto Dischinger

; Bezerra, Rodrigo

; Pedrosa, Rodrigo Pinto

; Paula, Rogerio Baumgratz de

; Okawa, Rogério Toshiro Passos

; Póvoa, Rui Manuel dos Santos

; Fuchs, Sandra C.

; Lima, Sandro Gonçalves de

; Inuzuka, Sayuri

; Ferreira-Filho, Sebastião Rodrigues

; Fillho, Silvio Hock de Paffer

; Jardim, Thiago de Souza Veiga

; Guimarães Neto, Vanildo da Silva

; Koch, Vera Hermina Kalika

; Gusmão, Waléria Dantas Pereira

; Oigman, Wille

; Nadruz Junior, Wilson

Arquivos Brasileiros de Cardiologia

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2024, Volume 121 N. 4 elocation e20240113

Abstract: Pt | Text: Pt | PDF: Pt

https://doi.org/10.36660/abc.20240113

14.

In silico prediction of ADMET parameters and in vitro evaluation of antioxidant and cytotoxic activities promoted by indole-thiosemicarbazone compounds indolethiosemicarbazone indole thiosemicarbazone
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SANTOS, KERIOLAINE L. DOS

; MARQUES, DIEGO SANTA CLARA

; JACOB, IRIS T.

; SILVA, PAULA ROBERTA DA

; MACHADO, DIJANAH C.

; SOUZA, TÚLIO RICARDO C.L.

; OLIVEIRA, JAMERSON F. DE

; ALMEIDA, SINARA MÔNICA V.

; CRUZ FILHO, IRANILDO JOSÉ DA

; LIMA, MARIA DO CARMO A. DE

Anais da Academia Brasileira de Ciências

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2024, Volume 96 N. 3 elocation e20230811

Abstract: En | Text: En | PDF: En

Abstract Cancer is a complex and multifactorial disease characterized by uncontrolled cell growth and is one of the main causes of death in the world. This work aimed to evaluate a small series of 10 different indole-thiosemicarbazone compounds as potential antitumor agents. This is a pioneering study. For this, the antioxidant and cytotoxic capacity against normal and tumor cells was evaluated. The results showed that the compounds were able to promote moderate to low antioxidant activity for the ABTS radical scavenging assay. ADMET in silico assays showed that the compounds exhibited good oral bioavailability. As for toxicity, they were able to promote low cytotoxicity against normal cells, in addition to not being hemolytic. The compounds showed promising in vitro antitumor activity against the T47D, MCF-7, Jurkat and DU-145 strains, not being able to inhibit the growth of the Hepg2 strain. Through this in vitro study, it can be concluded that the compounds are potential candidates for antitumor agents. world 1 indolethiosemicarbazone indole thiosemicarbazone agents study evaluated assay bioavailability toxicity hemolytic T47D TD T D MCF7, MCF7 MCF 7, 7 MCF-7 DU145 DU 145 DU-14 strains Hepg strain MCF- DU14 14 DU-1 DU1 DU-

https://doi.org/10.1590/0001-3765202420230811

15.

Viability and conservation of genipap tree pollen grains
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Freire, Gilmara da S.

; Machado, Caroline de A.

; Silva, Ana V. C. da

; Ledo, Ana da S.

Revista Caatinga

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2024, Volume 37 elocation e12071

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

RESUMO A conservação de recursos genéticos vegetais é vital para manter a diversidade para uso futuro. A conservação de grãos de pólen é uma das ferramentas complementares às estratégias convencionais de conservação além de desempenhar um papel importante em programas de melhoramento. Considerando a importância do jenipapeiro e à escassez de trabalhos relacionados à biologia floral e conservação de pólen, este trabalho teve como objetivo avaliar o potencial de armazenamento de grãos de pólen em diferentes condições de armazenamento. O estudo foi conduzido no Laboratório de Cultura de Tecidos de Plantas da Embrapa Tabuleiros Costeiros, Aracaju, SE. A coleta de flores foi realizada na fase de préantese e após a extração, os grãos de pólen foram acondicionados em criotubos e mantidos nas seguintes temperaturas: 4°C, -20°C, - 80°C e -196°C. As avaliações foram realizadas aos 30, 60, 90, 120, 150 e 180 dias de armazenamento. Após 180 dias, as porcentagens de germinação do tubo polínico foram superiores a 60,00% em todas as temperaturas. A menor porcentagem foi observada em condição de armazenamento de 4°C com 60,21%. Sendo as demais temperaturas as mais indicadas para conservação ex situ de grãos de pólen. futuro melhoramento Costeiros Aracaju SE extração 4C C 4 20°C, 20C 20 -20°C 80C 80 196°C. 196C 196 -196°C 30 60 90 120 15 18 6000 00 60,00 6021 21 60,21% 20°C 2 8 196°C 19 3 6 9 12 1 600 0 60,0 602 60,21 60,2

ABSTRACT Conservation of plant genetic resources is vital for maintaining diversity for future use. The conservation of pollen grains is one of the tools complementary to conventional conservation strategies and plays an important role in breeding programs. Considering the importance of genipap trees and the lack of studies related to their floral biology and pollen conservation, the aim of this study was to evaluate the storage potential of pollen grains under different storage conditions. This study was conducted at the Plant Tissue Culture Laboratory of Embrapa Tabuleiros Costeiros, Aracaju, SE, Brazil. Flowers were collected in the preanthesis phase, and the pollen grains were placed in cryotubes and kept at different temperatures (i.e., 4°C, -20°C, -80°C, and -196°C) after extraction. Evaluations were performed after 30, 60, 90, 120, 150, and 180 days of storage. After 180 days, the germination percentage of the pollen tube was greater than 60.00% for all storage temperatures. The lowest percentage (60.21%) was observed under the storage condition of 4°C. Therefore, the other three temperatures are more highly recommended for ex situ conservation of pollen grains. use programs conditions Costeiros Aracaju SE Brazil phase i.e., ie i e (i.e. 4C C 4 4°C 20°C, 20C 20 -20°C 80°C, 80C 80 -80°C 196°C 196C 196 -196°C extraction 30 60 90 120 150 18 6000 00 60.00 60.21% 6021 21 (60.21% Therefore i.e. (i.e 20°C 2 80°C 8 19 3 6 9 12 15 1 600 0 60.0 60.21 602 (60.21 i.e 60. 60.2 (60.2 (60. (60 (6 (

https://doi.org/10.1590/1983-21252024v3712071rc

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