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Article: Thermodynamic assessment of a small-scale solar chimney

Maia, Cristiana Brasil / Castro Silva, Janaína de Oliveira

Renewable energy. 2022 Mar., v. 186

2022

Abstract: In recent decades, the world is facing significant global population growth, leading to an energy use intensification. Due to the depletion of global energy resources, renewable sources can be used to replace or enhance conventional sources. Solar energy ...

Abstract	In recent decades, the world is facing significant global population growth, leading to an energy use intensification. Due to the depletion of global energy resources, renewable sources can be used to replace or enhance conventional sources. Solar energy is a non-polluting and inexhaustible energy source. The solar chimney uses solar energy to heat the air and generate an updraft airflow, which can be used for electricity generation or agricultural drying. Most models from the literature predict the steady-state airflow parameters using fixed values for ambient temperature and solar radiation, or unsteady analysis using experimental data. In this paper, a comprehensive assessment of the unsteady airflow inside a small-scale prototype is presented. A mathematical model is used to predict the mass flowrate and the temperatures of the airflow throughout a year, on an hourly basis, and the results showed a good agreement with experimental data obtained in a small prototype. The performance of the system was evaluated, with a maximum exergy efficiency of 11%. The low energy and exergy efficiencies were mainly attributed to the small dimensions of the prototype.
Keywords	air ; air flow ; ambient temperature ; electricity generation ; exergy ; mathematical models ; population growth ; prototypes ; solar chimneys ; solar energy ; solar radiation
Language	English
Dates of publication	2022-03
Size	p. 35-50.
Publishing place	Elsevier Ltd
Document type	Article
ZDB-ID	2001449-1
ISSN	1879-0682 ; 0960-1481
ISSN (online)	1879-0682
ISSN	0960-1481
DOI	10.1016/j.renene.2021.12.128
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Sindicalismo, reestruturação produtiva e capitalismo financeiro no Brasil

JANAÍNA DE OLIVEIRA / MARIA CHAVES JARDIM / SIDNEY JARD DA SILVA

Brazilian Journal of Political Economy, Vol 41, Iss 2, Pp 426-

2021 Volume 443

Abstract: RESUMO O artigo se situa no âmbito das discussões contemporâneas que desafiam a sociologia econômica e a sociologia do trabalho a refletir sobre um novo fenômeno socioeconômico: a chegada de sindicalistas no mercado financeiro, via criação e, sobretudo, ... ...

Abstract	RESUMO O artigo se situa no âmbito das discussões contemporâneas que desafiam a sociologia econômica e a sociologia do trabalho a refletir sobre um novo fenômeno socioeconômico: a chegada de sindicalistas no mercado financeiro, via criação e, sobretudo, a gestão de fundos de pensão. Atores sociais da construção deste novo fenômeno financeiro, os sindicalistas passam a (re)significar não somente suas estratégias, mas também seus discursos, agregando questões morais e sociais aos interesses do mercado. O trabalho demonstra que o novo éthos do sindicalismo brasileiro busca utilizar a própria lógica do capital na resistência contra a financeirização da economia e a reestruturação produtiva.
Keywords	Capitalismo financeiro ; fundos de pensão ; sindicato ; reestruturação produtiva ; Economics as a science ; HB71-74
Language	English
Publishing date	2021-03-01T00:00:00Z
Publisher	Editora 34
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Immune system cells modulation in patients with reproductive issues: A systematic review approach.

Moura, Gabriel Acácio de / Rocha, Yasmim Mendes / Moura, Francisca Lariza Damascieira / Freitas, Janaína de Oliveira / Rodrigues, João Pedro Viana / Gonçalves, Vanessa Pinheiro / Nicolete, Roberto

JBRA assisted reproduction

2024 Volume 28, Issue 1, Page(s) 78–89

Abstract: The aim of this study was to carry out a systematic literature review to investigate the main immune cells responsible for implantation failures. We selected papers from PubMed, Embase and Virtual Health Library databases. Eligible articles included ... ...

Abstract	The aim of this study was to carry out a systematic literature review to investigate the main immune cells responsible for implantation failures. We selected papers from PubMed, Embase and Virtual Health Library databases. Eligible articles included publications between January 1, 2010 and April 24, 2022. Inclusion criteria were: observational and case-control studies; and the exclusion criteria were: review papers, letters to the editor, abstracts, animal studies and case reports. We extracted the following information: day of collection, number of patients, control group, age of patients, type of sample used, immune cells and cytokines. As main findings in our mapping, we found that in peripheral blood, CD3+, CD4+, CD8+, CD16+, CD56+, CD57+, CD69+, CD154+, CD158a+, NKp46 cells were increased and the CD4+, CD45+, Foxp3 and NKp46 markers were reduced. From the endometrial biopsies, there was an increase in CD3+, CD4+, CD5+, CD8+, CD16+, CD25+, CD45+, CD56+, CD57+, CD68+, CD127+ and a reduction in CD45+, CD56+, NKp46 and FoxP3 cells. Cytokines found increased in peripheral blood included IL-6, IL-10, IL-17, INF-γ, TGF-ß, TNF-α; while IL-4, IL-6, IL-10, IL-35, FoxP3, TGF-ß, SOCS3 were reduced. As for the biopsies, there was an increase in IL-2, IL-6, IL-17, IL-22, IL-23, INF-A1, INF-B1, INF-γ, TNF-R and a reduction in IL-6, IL-10, INF-γ, TGFß, TNF-α. We concluded that immune cells can be modulated during pregnancy failure, but further studies are needed to elucidate the modulating effect of the immune system on the endometrium of these patients.
MeSH term(s)	Pregnancy ; Female ; Humans ; Interleukin-10 ; Interleukin-17 ; Interleukin-6 ; Tumor Necrosis Factor-alpha ; Flow Cytometry ; Cytokines ; Immune System ; Forkhead Transcription Factors
Chemical Substances	Interleukin-10 (130068-27-8) ; Interleukin-17 ; Interleukin-6 ; Tumor Necrosis Factor-alpha ; Cytokines ; Forkhead Transcription Factors
Language	English
Publishing date	2024-02-26
Publishing country	Brazil
Document type	Systematic Review ; Journal Article ; Review
ZDB-ID	2856226-4
ISSN	1518-0557 ; 1517-5693
ISSN (online)	1518-0557
ISSN	1517-5693
DOI	10.5935/1518-0557.20230044
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Article ; Online: O desenvolvimento das Ciências Sociais e a modernização brasileira

Natalia Maria Casagrande / Janaina de Oliveira

Revista Sem Aspas, Vol 8, Iss

2019 Volume 2

Abstract: A intelectualidade vivencia uma ruptura com os padrões de consagração vigentes na Primeira República. A partir da tomada do poder por Getúlio Vargas e a Revolução de 1930, tem-se início um novo cenário político. Devido à queda do preço do café, o modelo ... ...

Abstract	A intelectualidade vivencia uma ruptura com os padrões de consagração vigentes na Primeira República. A partir da tomada do poder por Getúlio Vargas e a Revolução de 1930, tem-se início um novo cenário político. Devido à queda do preço do café, o modelo agroexportador encontrava-se em processo de decadência, pois já não era mais possível manter artificialmente o valor deste produto. Somam-se a este fator as restrições provocadas pela crise financeira de 1929, o que implicou na queda da demanda externa e no surgimento de novos competidores. Neste contexto, os intelectuais estão subordinados de um modo mais intenso à conjuntura política do que propriamente às questões culturais. A função e atuação dos intelectuais ultrapassam, desta maneira, o campo estritamente intelectual e adentram o do político. Assim, o presente trabalho tem como objetivo demonstrar a relação entre a modernização brasileira e o desenvolvimento institucional e intelectual das Ciências Sociais no Brasil.
Keywords	Modernização ; Ciências Sociais ; Intelectuais ; Institucionalização ; Sociology (General) ; HM401-1281 ; Social sciences (General) ; H1-99
Language	Portuguese
Publishing date	2019-12-01T00:00:00Z
Publisher	Universidade Estadual Paulista
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: “Das minas de ouro e das montanhas gerais”

Janaina de Oliveira Campos / Rennan Lanna Martins Mafra

Lumina, Vol 12, Iss

a representação do Terra de Minas sobre a identidade mineira

2018 Volume 2

Abstract: Este trabalho trata da representação da identidade mineira no âmbito do programa Terra de Minas, da Rede Globo. Como arcabouço teórico, lança mão de teorias da representação social para compreender as interrelações entre mineiridade e meio rural. Como ... ...

Abstract	Este trabalho trata da representação da identidade mineira no âmbito do programa Terra de Minas, da Rede Globo. Como arcabouço teórico, lança mão de teorias da representação social para compreender as interrelações entre mineiridade e meio rural. Como escopo metodológico, utiliza a análise de conteúdo para identificar, em algumas edições do programa, traços característicos da mineiridade que remetam ao rural. Os principais resultados da pesquisa apontam que o programa cumpre papel de representar o sujeito mineiro que foi constrído com referência à ruralidade, acrescida, todavia, de combinações com outros aspectos da contemporaneidade, ligados à culinária, à natureza, à história e a uma impressão idealizada do ser mineiro.
Keywords	representação ; identidade ; mídia ; mineiridade ; Communication. Mass media ; P87-96 ; Social sciences (General) ; H1-99
Language	Portuguese
Publishing date	2018-08-01T00:00:00Z
Publisher	Universidade Federal de Juiz de Fora
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Obesity as an additional factor for autonomic imbalance and poor sleep behavior in chronic obstructive pulmonary disease: a case-control study.

Mostarda, Cristiano / Barboza, Catarina de Andrade / Cutrim, Ana Lídia / Silva-Filho, Antonio Carlos / Dias, Carlos José / Brito-Monzani, Janaina De Oliveira / Rodrigues, Bruno

Clinics (Sao Paulo, Brazil)

2021 Volume 76, Page(s) e1826

Abstract: Objectives: We compared the autonomic modulation and sleep behavior of eutrophic and overweight patients with chronic obstructive pulmonary disease (COPD).: Methods: COPD participants were divided into the overweight and eutrophic groups. Pulmonary ... ...

Abstract	Objectives: We compared the autonomic modulation and sleep behavior of eutrophic and overweight patients with chronic obstructive pulmonary disease (COPD). Methods: COPD participants were divided into the overweight and eutrophic groups. Pulmonary function, blood pressure, body composition, autonomic modulation, and the Pittsburgh Sleep Quality Index score were assessed. Participants performed the six-minute walk test for functional assessment. Results: Spirometric variables obtained in eutrophic and overweight individuals with COPD showed no statistically different results. We observed that the SDNN index indicated lower overall variability (p=0.003), and root mean square of successive differences between normal heart beats (RMSSD) (p=0.04) indicated lower parasympathetic modulation in the overweight group than observed in the eutrophic group. The indexes of the frequency domain presented lower values of total variability (p<0.01), low frequency bands (p<0.01), and high frequency (p=0.02), suggesting a higher sympathetic modulation and reduced parasympathetic modulation of the overweight group compared to eutrophic group. The overweight group also showed reduced sleep quality than the eutrophic group. Conclusion: Overweight COPD patients showed lower autonomic modulation and impaired sleep quality, latency, and efficiency as compared eutrophic subjects. These results reinforce the importance of weight control and the acquisition of healthy habits in this population.
MeSH term(s)	Case-Control Studies ; Heart Rate ; Humans ; Obesity/complications ; Pulmonary Disease, Chronic Obstructive ; Sleep
Language	English
Publishing date	2021-01-20
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2182801-5
ISSN	1980-5322 ; 1807-5932
ISSN (online)	1980-5322
ISSN	1807-5932
DOI	10.6061/clinics/2021/e1826
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Article ; Online: Redox imbalance is related to HIV and pregnancy.

Vanessa Martinez Manfio / Karen Ingrid Tasca / Jessica Leite Garcia / Janaina de Oliveira Góis / Camila Renata Correa / Lenice do Rosário de Souza

PLoS ONE, Vol 16, Iss 5, p e

2021 Volume 0251619

Abstract: Redox imbalance may compromise the homeostasis of physiological processes indispensable to gestational development in HIV-infected women. The present study aims to evaluate markers of the redox system in the development of pregnancy of these women. HIV- ... ...

Abstract	Redox imbalance may compromise the homeostasis of physiological processes indispensable to gestational development in HIV-infected women. The present study aims to evaluate markers of the redox system in the development of pregnancy of these women. HIV-positive pregnant women, HIV-negative pregnant women and non-pregnant were studied. Redox markers superoxide dismutase (SOD), catalase (CAT), protein carbonylation and malondialdehyde (MDA) were assessed at first or second trimester, third trimester and postpartum from pregnant and from non-pregnant women. According to the longitudinal analysis model, CAT activity was increased in the postpartum in HIV-positive women and before delivery in HIV-negative women. Increased carbonylation was observed in the pre-delivery period of HIV-negative pregnant women and MDA concentrations were higher in HIV-positive pregnant women compared to those non-infected by HIV at all times. According to the factorial model, higher SOD and CAT activities were observed in HIV-positive women in the initial months of pregnancy and in non-pregnant women. Carbonylation at third trimester was more evident in HIV-negative pregnant women. MDA levels were higher in HIV-positive pregnant women. Increased oxidative stress may occur in HIV-infected pregnant women. Nevertheless, the HIV virus is not solely responsible for this process; instead, mechanisms inherent to the pregnancy seem to play a role in this imbalance.
Keywords	Medicine ; R ; Science ; Q
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	Public Library of Science (PLoS)
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Obesity as an additional factor for autonomic imbalance and poor sleep behavior in chronic obstructive pulmonary disease

Cristiano Mostarda / Catarina de Andrade Barboza / Ana Lídia Cutrim / Antonio Carlos Silva-Filho / Carlos José Dias / Janaina De Oliveira Brito-Monzani / Bruno Rodrigues

Clinics, Vol

a case-control study

2021 Volume 76

Abstract: OBJECTIVES: We compared the autonomic modulation and sleep behavior of eutrophic and overweight patients with chronic obstructive pulmonary disease (COPD). METHODS: COPD participants were divided into the overweight and eutrophic groups. Pulmonary ... ...

Abstract	OBJECTIVES: We compared the autonomic modulation and sleep behavior of eutrophic and overweight patients with chronic obstructive pulmonary disease (COPD). METHODS: COPD participants were divided into the overweight and eutrophic groups. Pulmonary function, blood pressure, body composition, autonomic modulation, and the Pittsburgh Sleep Quality Index score were assessed. Participants performed the six-minute walk test for functional assessment. RESULTS: Spirometric variables obtained in eutrophic and overweight individuals with COPD showed no statistically different results. We observed that the SDNN index indicated lower overall variability (p=0.003), and root mean square of successive differences between normal heart beats (RMSSD) (p=0.04) indicated lower parasympathetic modulation in the overweight group than observed in the eutrophic group. The indexes of the frequency domain presented lower values of total variability (p<0.01), low frequency bands (p<0.01), and high frequency (p=0.02), suggesting a higher sympathetic modulation and reduced parasympathetic modulation of the overweight group compared to eutrophic group. The overweight group also showed reduced sleep quality than the eutrophic group. CONCLUSION: Overweight COPD patients showed lower autonomic modulation and impaired sleep quality, latency, and efficiency as compared eutrophic subjects. These results reinforce the importance of weight control and the acquisition of healthy habits in this population.
Keywords	Overweight ; Chronic Obstructive Pulmonary Disease ; Autonomic Modulation ; Sleep Behavior ; Medicine (General) ; R5-920
Subject code	796
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	Elsevier España
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: COVID-19 Outbreak in a Large Penitentiary Complex, April–June 2020, Brazil

Fernando A. Gouvea-Reis / Patrícia D. Oliveira / Danniely C.S. Silva / Lairton S. Borja / Jadher Percio / Fábio S. Souza / Cássio Peterka / Claudia Feres / Janaína de Oliveira / Giselle Sodré / Wallace dos Santos / Camile de Moraes

Emerging Infectious Diseases, Vol 27, Iss 3, Pp 924-

2021 Volume 927

Abstract: An outbreak of coronavirus disease began in a large penitentiary complex in Brazil on April 1, 2020. By June 12, there were 1,057 confirmed cases among inmates and staff. Nine patients were hospitalized, and 3 died. Mean serial interval was ≈2.5 days; ... ...

Abstract	An outbreak of coronavirus disease began in a large penitentiary complex in Brazil on April 1, 2020. By June 12, there were 1,057 confirmed cases among inmates and staff. Nine patients were hospitalized, and 3 died. Mean serial interval was ≈2.5 days; reproduction number range was 1.0–2.3.
Keywords	Brazil ; coronavirus disease ; COVID-19 ; infectious diseases ; outbreaks ; overcrowding ; Medicine ; R ; Infectious and parasitic diseases ; RC109-216
Language	English
Publishing date	2021-03-01T00:00:00Z
Publisher	Centers for Disease Control and Prevention
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Cardiac autonomic modulation of adolescents with different levels of sleep quality.

Dias Filho, Carlos Alberto Alves / Dias, Carlos José / Barroso, Rodrigo / Silva Filho, Antonio Carlos / Soares Júnior, Nivaldo de Jesus / Ferreira, Andressa Coelho / Macedo, Sara Raquel Dutra / Mozani, Janaína de Oliveira Brito / Rodrigues, Bruno / Mostarda, Cristiano Teixeira

Sleep science (Sao Paulo, Brazil)

2021 Volume 13, Issue 4, Page(s) 224–229

Abstract: Evaluate the cardiac autonomic modulation of adolescents with different levels of sleep quality.: Methods: Adolescents aged 11 to 17 years who presented themselves an explanation of the project with consent form signed by participated in the study. ... ...

Abstract	Evaluate the cardiac autonomic modulation of adolescents with different levels of sleep quality. Methods: Adolescents aged 11 to 17 years who presented themselves an explanation of the project with consent form signed by participated in the study. Anthropometric and hemodynamic data collected, and questionnaires. Results: Analysis of the variables, age, systolic blood pressure, diastolic blood pressure, waist circumference, body fat and body mass index among the groups with good and poor sleep quality did not present a signiﬁcant difference (p>0.05) in any paired characteristics. Time domain analysis indicated lower values in the vagal modulation with poor sleep quality. In the frequency domain, LF component increased and HF component decreased signiﬁcantly in the group with poor sleep quality. There was also a statistical difference in the LF/HF analysis, the group with poor sleep quality presented an increase in this variable. Conclusion: The subjects with poor sleep quality present lower cardiac autonomic modulation.
Language	English
Publishing date	2021-01-29
Publishing country	Brazil
Document type	Journal Article
ZDB-ID	2697016-8
ISSN	1984-0063 ; 1984-0659
ISSN (online)	1984-0063
ISSN	1984-0659
DOI	10.5935/1984-0063.20200027
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