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1.
Lesão Miocárdica e Prognóstico em Pacientes Hospitalizados com COVID-19 no Brasil: Resultados do Registro Nacional de COVID-19 COVID19 COVID 19 COVID-1 Brasil COVID1 1 COVID-
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Barbosa, Hannah Cardoso
; Martins, Maria Auxiliadora Parreiras
; Jesus, Jordana Cristina de
; Meira, Karina Cardoso
; Passaglia, Luiz Guilherme
; Sacioto, Manuela Furtado
; Bezerra, Adriana Falangola Benjamin
; Schwarzbold, Alexandre Vargas
; Maurílio, Amanda de Oliveira
; Farace, Barbara Lopes
; Silva, Carla Thais Cândida Alves da
; Cimini, Christiane Corrêa Rodrigues
; Silveira, Daniel Vitorio
; Carazai, Daniela do Reis
; Ponce, Daniela
; Costa, Emanuel Victor Alves
; Manenti, Euler Roberto Fernandes
; Cenci, Evelin Paola de Almeida
; Bartolazzi, Frederico
; Madeira, Glícia Cristina de Castro
; Nascimento, Guilherme Fagundes
; Velloso, Isabela Vasconcellos Pires
; Batista, Joanna d’Arc Lyra
; Morais, Júlia Drumond Parreiras de
; Carvalho, Juliana da Silva Nogueira
; Ruschel, Karen Brasil
; Martins, Karina Paula Medeiros Prado
; Zandoná, Liege Barella
; Menezes, Luanna Silva Monteiro
; Kopittke, Luciane
; Castro, Luís César de
; Nasi, Luiz Antônio
; Floriani, Maiara Anschau
; Souza, Maíra Dias
; Carneiro, Marcelo
; Bicalho, Maria Aparecida Camargos
; Lima, Maria Clara Pontello Barbosa
; Godoy, Mariana Frizzo de
; Guimarães-Júnior, Milton Henriques
; Mendes, Paulo Mascarenhas
; Delfino-Pereira, Polianna
; Ribeiro, Raquel Jaqueline Eder
; Finger, Renan Goulart
; Menezes, Rochele Mosmann
; Francisco, Saionara Cristina
; Araújo, Silvia Ferreira
; Oliveira, Talita Fischer
; Oliveira, Thainara Conceição de
; Polanczyk, Carisi Anne
; Marcolino, Milena Soriano
.
Resumo Fundamento As complicações cardiovasculares da COVID-19 são aspectos importantes da patogênese e do prognóstico da doença. Evidências do papel prognóstico da troponina e da lesão miocárdica em pacientes hospitalizados com COVID-19 na América Latina são ainda escassos. Objetivos Avaliar a lesão miocárdica como preditor independente de mortalidade hospitalar e suporte ventilatório mecânico em pacientes hospitalizados, do registro brasileiro de COVID-19. Métodos Este estudo coorte é um subestudo do registro brasileiro de COVID-19, conduzido em 31 hospitais brasileiros de 17 cidades, de março a setembro de 2020. Os desfechos primários incluíram mortalidade hospitalar e suporte ventilatório mecânico invasivo. Os modelos para os desfechos primários foram estimados por regressão de Poisson com variância robusta, com significância estatística de p<0,05. Resultados Dos 2925 pacientes [idade mediana de 60 anos (48-71), 57,1%], 27,3% apresentaram lesão miocárdica. A proporção de pacientes com comorbidades foi maior nos pacientes com lesão miocárdica [mediana 2 (1-2) vs. 1 (0-20)]. Os pacientes com lesão miocárdica apresentaram maiores valores medianos de peptídeo natriurético cerebral, lactato desidrogenase, creatina fosfoquinase, N-terminal do pró-peptídeo natriurético tipo B e proteína C reativa em comparação a pacientes sem lesão miocárdica. Como fatores independentes, proteína C reativa e contagem de plaquetas foram relacionados com o risco de morte, e neutrófilos e contagem de plaquetas foram relacionados ao risco de suporte ventilatório mecânico invasivo. Os pacientes com níveis elevados de troponina apresentaram um maior risco de morte (RR 2,03, IC95% 1,60-2,58) e suporte ventilatório mecânico (RR 1,87;IC95% 1,57-2,23), em comparação àqueles com níveis de troponina normais. Conclusão Lesão cardíaca foi um preditor independente de mortalidade hospitalar e necessidade de suporte ventilatório mecânico em pacientes hospitalizados com COVID-19. COVID19 COVID 19 COVID-1 doença escassos COVID19. 19. COVID19, 19, 3 cidades 2020 invasivo robusta p005 p 0 05 p<0,05 292 idade 6 4871, 4871 48 71 , (48-71) 57,1%, 571 57,1% 57 57,1%] 273 27 27,3 12 (1-2 vs 020. 020 20 . (0-20)] cerebral desidrogenase fosfoquinase Nterminal N terminal própeptídeo pró independentes RR 203 03 2,03 IC95 IC 1,602,58 160258 1,60 2,58 58 1,60-2,58 1,87IC95% 187IC95 1,87 87 1,87;IC95 1,572,23, 157223 1,57 2,23 23 1,57-2,23) normais COVID1 COVID- 202 p00 p<0,0 29 487 4 7 (48-71 57,1 5 27, (1- 02 (0-20) 2,0 IC9 602 1,602,5 16025 160 1,6 258 2,5 1,60-2,5 87IC95 1,87IC95 187IC9 187 1,8 8 1,87;IC9 572 1,572,23 15722 157 1,5 223 2,2 1,57-2,23 p0 p<0, (48-7 57, (1 (0-20 2, 1,602, 1602 16 1, 25 1,60-2, 87IC9 1,87IC9 187IC 18 1,87;IC 1,572,2 1572 15 22 1,57-2,2 p<0 (48- ( (0-2 1,602 1,60-2 87IC 1,87IC 1,572, 1,57-2, p< (48 (0- 1,60- 1,572 1,57-2 (4 (0 1,57-
Abstract Background Cardiovascular complications of COVID-19 are important aspects of the disease’s pathogenesis and prognosis. Evidence on the prognostic role of troponin and myocardial injury in Latin American hospitalized COVID-19 patients is still scarce. Objectives To evaluate myocardial injury as independent predictor of in-hospital mortality and invasive mechanical ventilation support in hospitalized patients, from the Brazilian COVID-19 Registry. Methods This cohort study is a substudy of the Brazilian COVID-19 Registry, conducted in 31 Brazilian hospitals of 17 cities, March-September 2020. Primary outcomes included in-hospital mortality and invasive mechanical ventilation support. Models for the primary outcomes were estimated by Poisson regression with robust variance, with statistical significance of p<0.05. Results Of 2,925 patients (median age of 60 years [48-71], 57.1% men), 27.3% presented myocardial injury. The proportion of patients with comorbidities was higher among patients with cardiac injury (median 2 [1-2] vs. 1 [0-2]). Patients with myocardial injury had higher median levels of brain natriuretic peptide, lactate dehydrogenase, creatine phosphokinase, N-terminal pro-brain natriuretic peptide, and C-reactive protein than patients without myocardial injury. As independent predictors, C-reactive protein and platelet counts were related to the risk of death, and neutrophils and platelet counts were related to the risk of invasive mechanical ventilation support. Patients with high troponin levels presented a higher risk of death (RR 2.03, 95% CI 1.60-2.58) and invasive mechanical ventilation support (RR 1.87, 95% CI 1.57-2.23), when compared to those with normal troponin levels. Conclusion Cardiac injury was an independent predictor of in-hospital mortality and the need for invasive mechanical ventilation support in hospitalized COVID-19 patients. COVID19 COVID 19 COVID-1 diseases disease s prognosis scarce inhospital hospital Registry 3 cities MarchSeptember March September 2020 variance p005 p 0 05 p<0.05 2925 925 2,92 6 4871, 4871 48 71 , [48-71] 571 57 57.1 men, men men) 273 27 27.3 12 [1-2 vs 02. 02 . [0-2]) peptide dehydrogenase phosphokinase Nterminal N terminal probrain pro Creactive C reactive predictors RR 203 03 2.03 95 1.602.58 160258 1.60 2.58 58 1.60-2.58 187 87 1.87 1.572.23, 157223 1.57 2.23 23 1.57-2.23) COVID1 COVID- 202 p00 p<0.0 292 92 2,9 487 4 7 [48-71 5 57. 27. [1- [0-2] 20 2.0 9 602 1.602.5 16025 160 1.6 258 2.5 1.60-2.5 18 8 1.8 572 1.572.23 15722 157 1.5 223 2.2 1.57-2.23 p0 p<0. 29 2, [48-7 [1 [0-2 2. 1.602. 1602 16 1. 25 1.60-2. 1.572.2 1572 15 22 1.57-2.2 p<0 [48- [ [0- 1.602 1.60-2 1.572. 1.57-2. p< [48 [0 1.60- 1.572 1.57-2 [4 1.57-
2.
Digital transformation in school management: the legacy that strategic actions in the 2020s leave for future pandemics
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Franco, Jacqueline de Almeida Barbosa
; Espuny, Maximilian
; Reis, José Salvador da Motta
; Diogo, Gabriel Miranda Monteiro
; Paes, Luis Alberto Bertolucci
; Costa, Ana Carolina Ferreira
; Nunhes, Thaís Vieira
; Barbosa, Luís César Ferreira Motta
; Rodrigues, Andréia Marize
; Battistelle, Rosane Aparecida Gomes
; Oliveira, Otávio José de
.
Resumo: Com o afastamento social devido à pandemia, muitos países sofreram transformações drásticas em várias esferas. Na educação, as aulas presenciais foram transformadas em ensino à distância. No entanto, esta súbita mudança causou vários problemas a estudantes e professores. Dados estes acontecimentos, o objetivo deste artigo era propor ações excepcionais para melhorar a transição das aulas presenciais para as aulas virtuais. Para tal, foram identificados na literatura os elementos que tiveram um impacto positivo e negativo na educação na pandemia de Covid-19. Estes elementos foram então agrupados em quatro estratégias, sendo estas: redesenho de práticas pedagógicas, apoio psicológico e social, infraestrutura tecnológica no ensino virtual, e gestão escolar para lidar com o cenário pandêmico. Foi utilizado o método do estudo de casos múltiplos, investigando cinco escolas técnicas localizadas no estado de São Paulo (Brasil). Com isto, foi possível propor 10 ações excepcionais que visavam a transição das aulas presenciais para as aulas virtuais. A principal novidade deste artigo foi a proposição de ações para motivar a comunidade escolar contra os impactos da pandemia, construindo memória nos seus agentes, tornando-os mais preparados para acontecimentos inesperados.
Abstract: With the outbreak of social withdrawal due to the pandemic, many countries have undergone drastic transformations in various spheres. In education, face-to-face classes were transformed into distance learning. However, this sudden change caused several problems for students and teachers. Given these events, the purpose of this article was to propose exceptional actions to improve the transition from face-to-face classes to virtual classes. For this, the elements that positively and negatively impacted education in the Covid-19 pandemic were identified in the literature. These elements were then clustered into four strategies, these being: redesign of pedagogical practices, psychological and social support, technological infrastructure in virtual teaching, and school management to cope with the pandemic scenario. The multiple case study method was used, investigating five technical schools located in the state of São Paulo (Brazil). With this, it was possible to propose 10 exceptional actions aimed at the transition from face-to-face classes to virtual classes. The main novelty of this article was the proposition of actions to motivate the school community against the impacts of the pandemic, building memory in its agents, making them more prepared for unexpected events.
3.
Saúde mental e uso de internet por estudantes universitários: estratégias de enfrentamento no contexto da COVID-19
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Mota, Daniela Cristina Belchior
; Silva, Yury Vasconcellos da
; Costa, Thaís Aparecida Ferreira
; Aguiar, Magna Helena da Cunha
; Marques, Maria Eduarda de Melo
; Monaquezi, Ricardo Manes
.
Resumo Este estudo objetivou estimar a prevalência de Transtornos Mentais Comuns (TMC) em estudantes universitários, analisando a correlação com o uso de internet e com a utilização de estratégias de enfrentamento ante ao isolamento social na pandemia de COVID-19. Trata-se de um estudo transversal, quantitativo, com amostra não probabilística, constituída por 275 estudantes. A coleta de dados foi realizada online, por meio dos instrumentos Self Report Questionnaire-20, Escala de Uso Problemático de Internet e Inventário de Estratégias de Enfrentamento. A análise de dados foi descritiva e inferencial, sendo também realizada uma análise de regressão linear múltipla. A população pesquisada apresentou uma prevalência de TMC de 58,5%, que correlacionou-se positivamente com a frequência de uso de internet, e com a utilização de estratégias de enfrentamento evitativas, baseadas no confronto, orientadas para a busca de suporte social e aceitação de responsabilidade (p<0,05). A presença de TMC e a utilização de estratégias de enfretamento baseadas no confronto foram as variáveis que melhor explicaram o uso problemático de internet (R2=0,33%; p<0,00). A intensa sociabilidade digital deve ser levada em consideração nas ações de cuidado em saúde mental direcionadas aos universitários no contexto da COVID-19.
Abstract The aim of this study was to estimate the prevalence of Common Mental Disorders (CMD) among university students and analyze the relation between disorders and internet use and the use of coping strategies in the face of social isolation during the COVID-19 pandemic. We conducted a quantitative cross-sectional study using a non-probability sample of 275 students. Data was collected online using the Self-Reporting Questionnaire, Problematic Internet Use Scale and a coping strategies inventory. We conducted a descriptive and inferential analysis of the data and multiple linear regression was performed to determine the variables that best explained the variation in the problematic internet use. Prevalence of CMD was 58.5% and the presence of CMD was positively correlated with frequency of internet use and the use of avoidant coping strategies, based on confrontation, the search for social support and acceptance of responsibility (p<0.05). The presence of CMD and the use of confrontation coping strategies were the variables that best explained problematic internet use (R2=0.33%; p<0.00). High levels of digital socialization should be taken into account in mental health care actions aimed at university students in the context of COVID-19.
https://doi.org/10.1590/1413-81232021266.44142020
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4.
Saúde mental e uso de internet por estudantes universitários: estratégias de enfrentamento no contexto da COVID-19
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Mota, Daniela Cristina Belchior
; Silva, Yury Vasconcellos da
; Costa, Thaís Aparecida Ferreira
; Aguiar, Magna Helena da Cunha
; Marques, Maria Eduarda de Melo
; Monaquezi, Ricardo Manes
.
Resumo Este estudo objetivou estimar a prevalência de Transtornos Mentais Comuns (TMC) em estudantes universitários, analisando a correlação com o uso de internet e com a utilização de estratégias de enfrentamento ante ao isolamento social na pandemia de COVID-19. Trata-se de um estudo transversal, quantitativo, com amostra não probabilística, constituída por 275 estudantes. A coleta de dados foi realizada online, por meio dos instrumentos Self Report Questionnaire-20, Escala de Uso Problemático de Internet e Inventário de Estratégias de Enfrentamento. A análise de dados foi descritiva e inferencial, sendo também realizada uma análise de regressão linear múltipla. A população pesquisada apresentou uma prevalência de TMC de 58,5%, que correlacionou-se positivamente com a frequência de uso de internet, e com a utilização de estratégias de enfrentamento evitativas, baseadas no confronto, orientadas para a busca de suporte social e aceitação de responsabilidade (p<0,05). A presença de TMC e a utilização de estratégias de enfretamento baseadas no confronto foram as variáveis que melhor explicaram o uso problemático de internet (R2=0,33%; p<0,00). A intensa sociabilidade digital deve ser levada em consideração nas ações de cuidado em saúde mental direcionadas aos universitários no contexto da COVID-19.
Abstract The aim of this study was to estimate the prevalence of Common Mental Disorders (CMD) among university students and analyze the relation between disorders and internet use and the use of coping strategies in the face of social isolation during the COVID-19 pandemic. We conducted a quantitative cross-sectional study using a non-probability sample of 275 students. Data was collected online using the Self-Reporting Questionnaire, Problematic Internet Use Scale and a coping strategies inventory. We conducted a descriptive and inferential analysis of the data and multiple linear regression was performed to determine the variables that best explained the variation in the problematic internet use. Prevalence of CMD was 58.5% and the presence of CMD was positively correlated with frequency of internet use and the use of avoidant coping strategies, based on confrontation, the search for social support and acceptance of responsibility (p<0.05). The presence of CMD and the use of confrontation coping strategies were the variables that best explained problematic internet use (R2=0.33%; p<0.00). High levels of digital socialization should be taken into account in mental health care actions aimed at university students in the context of COVID-19.
5.
Differences in children and adolescents with SARS-CoV-2 infection: a cohort study in a Brazilian tertiary referral hospital
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Marques, Heloisa Helena de Sousa
; Pereira, Maria Fernanda Badue
; Santos, Angélica Carreira dos
; Fink, Thais Toledo
; Paula, Camila Sanson Yoshino de
; Litvinov, Nadia
; Schvartsman, Claudio
; Delgado, Artur Figueiredo
; Gibelli, Maria Augusta Bento Cicaroni
; Carvalho, Werther Brunow de
; Odone Filho, Vicente
; Tannuri, Uenis
; Carneiro-Sampaio, Magda
; Grisi, Sandra
; Duarte, Alberto José da Silva
; Antonangelo, Leila
; Francisco, Rossana Pucineli Vieira
; Okay, Thelma Suely
; Batisttella, Linamara Rizzo
; Carvalho, Carlos Roberto Ribeiro de
; Brentani, Alexandra Valéria Maria
; Silva, Clovis Artur
; Eisencraft, Adriana Pasmanik
; Rossi Junior, Alfio
; Fante, Alice Lima
; Cora, Aline Pivetta
; Reis, Amelia Gorete A. de Costa
; Ferrer, Ana Paula Scoleze
; Andrade, Anarella Penha Meirelles de
; Watanabe, Andreia
; Gonçalves, Angelina Maria Freire
; Waetge, Aurora Rosaria Pagliara
; Silva, Camila Altenfelder
; Ceneviva, Carina
; Lazari, Carolina dos Santos
; Abellan, Deipara Monteiro
; Santos, Emilly Henrique dos
; Sabino, Ester Cerdeira
; Bianchini, Fabíola Roberta Marim
; Alcantara, Flávio Ferraz de Paes
; Ramos, Gabriel Frizzo
; Leal, Gabriela Nunes
; Rodriguez, Isadora Souza
; Pinho, João Renato Rebello
; Carneiro, Jorge David Avaizoglou
; Paz, Jose Albino
; Ferreira, Juliana Carvalho
; Ferranti, Juliana Ferreira
; Ferreira, Juliana de Oliveira Achili
; Framil, Juliana Valéria de Souza
; Silva, Katia Regina da
; Kanunfre, Kelly Aparecida
; Bastos, Karina Lucio de Medeiros
; Galleti, Karine Vusberg
; Cristofani, Lilian Maria
; Suzuki, Lisa
; Campos, Lucia Maria Arruda
; Perondi, Maria Beatriz de Moliterno
; Diniz, Maria de Fatima Rodrigues
; Fonseca, Maria Fernanda Mota
; Cordon, Mariana Nutti de Almeida
; Pissolato, Mariana
; Peres, Marina Silva
; Garanito, Marlene Pereira
; Imamura, Marta
; Dorna, Mayra de Barros
; Luglio, Michele
; Rocha, Mussya Cisotto
; Aikawa, Nadia Emi
; Degaspare, Natalia Viu
; Sakita, Neusa Keico
; Udsen, Nicole Lee
; Scudeller, Paula Gobi
; Gaiolla, Paula Vieira de Vincenzi
; Severini, Rafael da Silva Giannasi
; Rodrigues, Regina Maria
; Toma, Ricardo Katsuya
; Paula, Ricardo Iunis Citrangulo de
; Palmeira, Patricia
; Forsait, Silvana
; Farhat, Sylvia Costa Lima
; Sakano, Tânia Miyuki Shimoda
; Koch, Vera Hermina Kalika
; Cobello Junior, Vilson
.
OBJECTIVES: To compare demographic/clinical/laboratory/treatments and outcomes among children and adolescents with laboratory-confirmed coronavirus disease 2019 (COVID-19). METHODS: This was a cross-sectional study that included patients diagnosed with pediatric COVID-19 (aged <18 years) between April 11, 2020 and April 22, 2021. During this period, 102/5,951 (1.7%) of all admissions occurred in neonates, children, and adolescents. Furthermore, 3,962 severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) detection samples were processed in patients aged <18 years, and laboratory-confirmed COVID-19 occurred in 155 (4%) inpatients and outpatients. Six/155 pediatric patients were excluded from the study. Therefore, the final group included 149 children and adolescents (n=97 inpatients and 52 outpatients) with positive SARS-CoV-2 results. RESULTS: The frequencies of sore throat, anosmia, dysgeusia, headache, myalgia, nausea, lymphopenia, pre-existing chronic conditions, immunosuppressive conditions, and autoimmune diseases were significantly reduced in children and adolescents (p<0.05). Likewise, the frequencies of enoxaparin use (p=0.037), current immunosuppressant use (p=0.008), vasoactive agents (p=0.045), arterial hypotension (p<0.001), and shock (p=0.024) were significantly lower in children than in adolescents. Logistic regression analysis showed that adolescents with laboratory-confirmed COVID-19 had increased odds ratios (ORs) for sore throat (OR 13.054; 95% confidence interval [CI] 2.750-61.977; p=0.001), nausea (OR 8.875; 95% CI 1.660-47.446; p=0.011), and lymphopenia (OR 3.575; 95% CI 1.355-9.430; p=0.010), but also had less hospitalizations (OR 0.355; 95% CI 0.138-0.916; p=0.032). The additional logistic regression analysis on patients with preexisting chronic conditions (n=108) showed that death as an outcome was significantly associated with pediatric severe acute respiratory syndrome (SARS) (OR 22.300; 95% CI 2.341-212.421; p=0.007) and multisystem inflammatory syndrome in children (MIS-C) (OR 11.261; 95% CI 1.189-106. 581; p=0.035). CONCLUSIONS: Half of the laboratory-confirmed COVID-19 cases occurred in adolescents. Individuals belonging to this age group had an acute systemic involvement of SARS-CoV-2 infection. Pediatric SARS and MIS-C were the most important factors associated with the mortality rate in pediatric chronic conditions with COVID-19.
6.
The Program for Biodiversity Research in Brazil: The role of regional networks for biodiversity knowledge, dissemination, and conservation
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ROSA, CLARISSA
; BACCARO, FABRICIO
; CRONEMBERGER, CECILIA
; HIPÓLITO, JULIANA
; BARROS, CLAUDIA FRANCA
; RODRIGUES, DOMINGOS DE JESUS
; NECKEL-OLIVEIRA, SELVINO
; OVERBECK, GERHARD E.
; DRECHSLER-SANTOS, ELISANDRO RICARDO
; ANJOS, MARCELO RODRIGUES DOS
; FERREGUETTI, ÁTILLA C.
; AKAMA, ALBERTO
; MARTINS, MARLÚCIA BONIFÁCIO
; TOMAS, WALFRIDO MORAES
; SANTOS, SANDRA APARECIDA
; FERREIRA, VANDA LÚCIA
; CUNHA, CATIA NUNES DA
; PENHA, JERRY
; PINHO, JOÃO BATISTA DE
; SALIS, SUZANA MARIA
; DORIA, CAROLINA RODRIGUES DA COSTA
; PILLAR, VALÉRIO D.
; PODGAISKI, LUCIANA R.
; MENIN, MARCELO
; BÍGIO, NARCÍSIO COSTA
; ARAGÓN, SUSAN
; MANZATTO, ANGELO GILBERTO
; VÉLEZ-MARTIN, EDUARDO
; SILVA, ANA CAROLINA BORGES LINS E
; IZZO, THIAGO JUNQUEIRA
; MORTATI, AMANDA FREDERICO
; GIACOMIN, LEANDRO LACERDA
; ALMEIDA, THAÍS ELIAS
; ANDRÉ, THIAGO
; SILVEIRA, MARIA AUREA PINHEIRO DE ALMEIDA
; SILVEIRA, ANTÔNIO LAFFAYETE PIRES DA
; MESSIAS, MARILUCE REZENDE
; MARQUES, MARCIA C.M.
; PADIAL, ANDRE ANDRIAN
; MARQUES, RENATO
; BITAR, YOUSZEF O.C.
; SILVEIRA, MARCOS
; MORATO, ELDER FERREIRA
; PAGOTTO, RUBIANI DE CÁSSIA
; STRUSSMANN, CHRISTINE
; MACHADO, RICARDO BOMFIM
; AGUIAR, LUDMILLA MOURA DE SOUZA
; FERNANDES, GERALDO WILSON
; OKI, YUMI
; NOVAIS, SAMUEL
; FERREIRA, GUILHERME BRAGA
; BARBOSA, FLÁVIA RODRIGUES
; OCHOA, ANA C.
; MANGIONE, ANTONIO M.
; GATICA, AILIN
; CARRIZO, MARÍA CELINA
; RETTA, LUCÍA MARTINEZ
; JOFRÉ, LAURA E.
; CASTILLO, LUCIANA L.
; NEME, ANDREA M.
; RUEDA, CARLA
; TOLEDO, JOSÉ JULIO DE
; GRELLE, CARLOS EDUARDO VIVEIROS
; VALE, MARIANA M.
; VIEIRA, MARCUS VINICIUS
; CERQUEIRA, RUI
; HIGASHIKAWA, EMÍLIO MANABU
; MENDONÇA, FERNANDO PEREIRA DE
; GUERREIRO, QUÊZIA LEANDRO DE MOURA
; BANHOS, AUREO
; HERO, JEAN-MARC
; KOBLITZ, RODRIGO
; COLLEVATTI, ROSANE GARCIA
; SILVEIRA, LUÍS FÁBIO
; VASCONCELOS, HERALDO L.
; VIEIRA, CECÍLIA RODRIGUES
; COLLI, GUARINO RINALDI
; CECHIN, SONIA ZANINI
; SANTOS, TIAGO GOMES DOS
; FONTANA, CARLA S.
; JARENKOW, JOÃO A.
; MALABARBA, LUIZ R.
; RUEDA, MARTA P.
; ARAUJO, PUBLIO A.
; PALOMO, LUCAS
; ITURRE, MARTA C.
; BERGALLO, HELENA GODOY
; MAGNUSSON, WILLIAM E.
.
Abstract The Program for Biodiversity Research (PPBio) is an innovative program designed to integrate all biodiversity research stakeholders. Operating since 2004, it has installed long-term ecological research sites throughout Brazil and its logic has been applied in some other southern-hemisphere countries. The program supports all aspects of research necessary to understand biodiversity and the processes that affect it. There are presently 161 sampling sites (see some of them at Supplementary Appendix), most of which use a standardized methodology that allows comparisons across biomes and through time. To date, there are about 1200 publications associated with PPBio that cover topics ranging from natural history to genetics and species distributions. Most of the field data and metadata are available through PPBio web sites or DataONE. Metadata is available for researchers that intend to explore the different faces of Brazilian biodiversity spatio-temporal variation, as well as for managers intending to improve conservation strategies. The Program also fostered, directly and indirectly, local technical capacity building, and supported the training of hundreds of undergraduate and graduate students. The main challenge is maintaining the long-term funding necessary to understand biodiversity patterns and processes under pressure from global environmental changes.
https://doi.org/10.1590/0001-3765202120201604
1034 downloads
7.
Phenolic compounds and antioxidant activity of hydroalcoholic extracts of wild and cultivated murtilla (Ugni molinae Turcz.)
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Augusto, Thalita Riquelme
; Salinas, Erick Sigisfredo Scheuermann
; Alencar, Severino Matias
; D'arce, Marisa Aparecida Bismara Regitano
; Camargo, Adriano Costa de
; Vieira, Thais Maria Ferreira de Souza
.
Over the last decade a considerable increase in the number of studies addressing the use of antioxidants from natural sources has led to the identification and understanding of the potential mechanisms of biologically active components. This results from the fact that they can be used to replace synthetic antioxidants commonly used in food. Murtilla (Ugni molinae Turcz) is a native berry grown in Chile, and in the present study, the phenolic composition and antioxidant activity of its fruits were studied. Hydroalcoholic extracts of dehydrated fruits from two genotypes of murtilla (Ugni molinae Turcz.) were produced. Extracts of wild murtilla and 14-4 genotype fruits had 19.35 and 40.28mg GAE/g for Total Phenolic Compounds, 76.48, and 134.35μmol TEAC/g for DPPH, and 157.04 and 293.99 μmol TEAC/g for ABTS, respectively. Components such as quercetin, epicatechin, and gallic, benzoic and hydrocaffeic acids were identified by CG/MS analysis. All of them showed antioxidant activity. Therefore, it is possible to say that the hydroalcoholic extracts of murtilla have antioxidant potential to be used in lipidic food.
https://doi.org/10.1590/1678-457X.6393
8018 downloads
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