Results 31 to 40 of about 2,632 (161)

Cyotoxicity of Etidronate as an Endodontic Chelator Against Periodontal Ligament Fibroblast

open access: yesAustralian Endodontic Journal, EarlyView.
ABSTRACT Etidronic acid (HEBP) causes fewer alterations in dentine and can be used mixed with sodium hypochlorite during root canal preparation. This study investigated the cytotoxicity effects of the HEDP and EDTA on human periodontal ligament fibroblast cells. Primary culture was established from human periodontal ligament tissue of one donor and was
Bruno Vila Nova de Almeida   +6 more
wiley   +1 more source

matematização da pedagogia:

open access: yesRevista Diálogo Educacional, 2022
Este artigo é fruto da pesquisa realizada para a tese de doutorado intitulada “Avaliação da matemática escolar: contribuições da Pedagogia da Escola Nova”.
Waléria Adriana Gonçalez Cecílio
doaj   +1 more source

Phoenicococcus cribiformes sp. n. (Hemiptera, Phoenicococcidae) em Araucaria angustifolia (Bertol.) (Araucariaceae) no Rio Grande do Sul, Brasil [PDF]

open access: yes, 2005
A cochonilha Phoenicococcus cribiformes é descrita do Rio Grande do Sul, Brasil. Além de Phoenicococcus marlatti Cockerell, 1899, é a segunda espécie conhecida da familia Phoenicococcidae. A fêmea adulta de P. cribiformes difere da P.
Ketterl, Jochen   +1 more
core  

Assessing the population structure of Plagioscion squamosissimus (Teleostei, Perciformes, Sciaenidae) from the São Francisco River, Bahia, Brazil, using body morphology and otolith shape signatures

open access: yesJournal of Fish Biology, EarlyView.
Abstract The south American silver croaker, Plagioscion squamosissimus, holds significant importance for the artisanal fisheries in the sub‐middle and lower courses of the São Francisco River, located in northeastern Brazil. To investigate the population structure of this species along its longitudinal profile, a total of 150 individuals (50 fish per ...
F. L. Freitas   +4 more
wiley   +1 more source

PCR-RFLP analysis of non-coding regions of cpDNA in Araucaria angustifolia (Bert.) O. Kuntze

open access: yesGenetics and Molecular Biology, 2007
The Araucaria angustifolia (Bert.) O. Kuntze, also named the "paraná pine" (‘pinheiro-do-Paraná’ in Portuguese), is a native conifer species naturally occurring in the Brazilian Tropical Atlantic Forest which in Brazil is mostly limited to the southern ...
Paulo Sérgio Schlögl   +2 more
doaj   +1 more source

Características edáficas relacionadas à produção de um povoamente de Araucaria angustifolia (Bert.) O. Kuntze. [PDF]

open access: yes, 2019
Este trabalho teve por objetivo estudar a influência dos fatores edáficos na produção de 12 procedências de Araucaria angustifolia (pinheiro-do-paraná) na Estação Experimental de Rio Negro da Universidade Federal do Paraná (UFPR).
ROSOT, M. A. D.   +2 more
core  

Abundance and Seasonal Dynamics of Guiana Dolphins (Sotalia guianensis) in Southern Brazilian Estuarine and Adjacent Coastal Waters

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT Estimating population parameters is crucial for understanding species dynamics and assessing anthropogenic impacts, thereby supporting conservation efforts. We evaluate key population parameters—group structure, abundance and capture–recapture probabilities—of the Guiana dolphin in the Paranaguá Estuarine Complex and adjacent coastal waters ...
Stephane P. G. de Moura   +3 more
wiley   +1 more source

Uso de crack, adolescentes e masculinidades no Brasil contemporaneo: uma leitura a partir da cidade de Ponta Grossa, estado do Paraná, Brasil [PDF]

open access: yesEstudios Socioterritoriales: Revista de Geografía, 2017
O objetivo do presente artigo é compreender como se institui a vivência cotidiana de adolescentes do sexo masculino usuários de crack nas espacialidades da Vila e da Casa, na periferia de Ponta Grossa-Paraná. Foram realizadas entrevistas em profundidade,
Heder Leandro Rocha
doaj  

Crescimento em diâmetro de diferentes procedências de Araucaria angustifolia plantadas em Rio Negro, PR. [PDF]

open access: yes, 2012
EVINCI ...
MATTOS, P. P. de   +3 more
core  

From Local Biodiversity to Global Food Security: Antioxidant Evidence of Unconventional Edible Plants (2020–2025)

open access: yesJournal of Food Process Engineering, Volume 49, Issue 2, February 2026.
This scoping review (2020–2025) compiles validated evidence on the antioxidant potential of unconventional edible plants (PANCs). Thirty species showed high phenolic content and strong radical‐scavenging activity, reinforcing their role as natural antioxidants and sustainable alternatives to synthetic additives within biodiversity‐based food systems ...
Nathália Letícia Hernandez Brito   +8 more
wiley   +1 more source

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