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A Comprehensive Overview of Cellulose and Its Derivatives: Structural Features and Emerging Applications

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 4, January 20, 2026.
From plant cell wall architecture to advanced materials: cellulose and its derivatives as versatile building blocks. ABSTRACT Growing interest in cellulose as a versatile material has driven extensive research into its chemical architecture, processing methods, mechanical properties, aggregation behavior, and structural organization, both in solution ...
Denys M. M. Fertonani   +7 more
wiley   +1 more source

Social support perceived by elderly people in social vulnerability according to family functionality: a cross-sectional study. [PDF]

open access: yesRev Esc Enferm USP, 2023
Silva ALSE   +6 more
europepmc   +1 more source

Unveiling Dipolar Interaction‐Driven Magnetic Field Inhomogeneities in T2 MRI Contrast Agents

open access: yesAdvanced Science, Volume 13, Issue 3, 14 January 2026.
In this study, chemically designed nanoscale‐distance‐tuned based on silica‐coated iron oxide nanoparticles are used to investigate how dipolar interactions affect magnetic resonance imaging (MRI) contrast. By varying shell thickness, researchers modulated dipolar interactions and observed an exponential increase in transverse relaxivity (r2) that ...
Pelayo García‐Acevedo   +6 more
wiley   +1 more source

Genetic Ancestry Reveals Historical Diversity of Formation Across Three Brazilian Communities of African Descent (Quilombos) in Central Brazil

open access: yesAmerican Journal of Human Biology, Volume 38, Issue 1, January 2026.
ABSTRACT Introduction Characterized as relatively isolated communities, many Brazilian quilombos were formed during the period of slavery in Brazil when enslaved persons (most of African descent) ran away or were abandoned by their enslavers. Quilombos in Central Brazil, whose settlement was more recent due to the relative isolation of the region ...
Sabrina Guimarães Paiva   +7 more
wiley   +1 more source

ENCONTRO ANUAL DA REDE CEDES 2014 [PDF]

open access: yes, 2014
Informes e programação do ENCONTRO ANUAL DA REDE CEDES 2014O Ministério do Esporte, por meio da Secretaria Nacional de Esporte, Educação, Lazer e Inclusão Social (SNELIS) e da sua Coordenação Geral de Estudos e Pesquisas (CGEPEL), programou ações
Ministério do Esporte
core   +1 more source

Neem oil (Azadirachta indica) as a promising feedstock for biolubricant production: enzymatic synthesis, process optimization, and molecular studies

open access: yesBiofuels, Bioproducts and Biorefining, Volume 20, Issue 1, Page 237-252, January/February 2026.
Abstract The fuel industry remains closely tied to oil‐based fuels. This relationship is responsible for increasing greenhouse gas emissions. Biofuels are an alternative to petroleum‐based fuels that could make industrial production lines more sustainable.
Francisco Simão Neto   +14 more
wiley   +1 more source

APOIO SOCIAL ENTRE PUÉRPERAS DE RISCO: ASSOCIAÇÃO COM CARACTERÍSTICAS SOCIODEMOGRÁFICAS E CLÍNICAS

open access: yesCogitare Enfermagem
Objetivo: Avaliar a associação entre o apoio social percebido e as características sociodemográficas e clínicas. Método: Estudo transversal, realizado em uma maternidade do noroeste do estado do Rio Grande do Sul/Brasil, no período de novembro de 2021 ...
Fernanda Fernandes de Carvalho   +6 more
doaj   +1 more source

Sense of coherence and social support as predictors of mental health during COVID-19 pandemic. [PDF]

open access: yesRev Bras Enferm, 2023
Penachiotti FDF   +4 more
europepmc   +1 more source

A GESTÃO DA PERMANÊNCIA ESTUDANTIL NA UNIVERSIDADE: CONTRIBUIÇÕES DO PROJETO DE APOIO PEDAGÓGICO DA UNIVERSIDADE FEDERAL DE SANTA CATARINA [PDF]

open access: yes, 2014
Este artigo tem por finalidade analisar a gestão do Projeto Apoio Pedagógico para a permanência dos estudantes de escola pública na UFSC, identificando os fatores que influenciaram a sua criação e possibilitaram a cidadania, o empoderamento e a inclusão ...
Espíndola, Corina Martins   +5 more
core  

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