Results 41 to 50 of about 62,567,390 (165)
Acta Zoologica, Volume 107, Issue 4, Page 460-469, October 2026.ABSTRACT The cuticle and medulla of guard hairs exhibit distinct morphological patterns among mammalian species. To investigate this variability in marsupials from the Brazilian Amazon, we analysed guard hairs from nine Didelphimorphia species and incorporated data from an additional 25 didelphid species.
Matheus M. Bitencourt +4 more
wiley +1 more source
Diagnóstico e reabilitação agroambiental de trecho de bacia hidrográfica por sensoriamento remoto e turbidez da água [PDF]
Pesquisa Agropecuária Brasileira, 2016 Resumo O objetivo deste trabalho foi identificar erosões em bacia hidrográfica e avaliar práticas conservacionistas de manejo do solo para a recuperação da degradação, por meio do monitoramento de indicadores de qualidade de água e por imagens de ...
Oswaldo Julio Vischi Filho +7 more
doaj +2 more sources
JCO Global Oncology, 2021 PURPOSETo generate and present survey results on important issues relevant to treatment and follow-up of localized and locally advanced, high-risk prostate cancer (PCa) focusing on developing countries.METHODSA panel of 99 PCa experts developed more than
Raja Khauli +32 more
doaj +1 more source
The Cog‐Aging: a 15‐year cohort study of cognition in Brazilian older adults
Alzheimer's &Dementia, Volume 22, Issue 9, September 2026.Abstract BACKGROUND Prevalence of dementia is higher in low‐ and middle‐income countries (LMICs). However, longitudinal studies characterizing cognitive decline and its clinical and epidemiological predictors remain scarce in Brazil. METHODS Participants were enrolled from 2011 to 2025 and followed through May 2026.
Gabriela Tomé Oliveira Engelmann +27 more
wiley +1 more source
Frontiers in Cellular Neuroscience, 2017 In most mammalian brains, the subventricular zone (SVZ) is a germinative layer that maintains neurogenic activity throughout adulthood. Neuronal precursors arising from this region migrate through the rostral migratory stream (RMS) and reach the ...
Leo M. Miyakoshi +10 more
doaj +1 more source
Revista da Sociedade Brasileira de Medicina Tropical, 2020 INTRODUCTION: Hepatitis C virus (HCV) infection is involved in the pathogenesis of autoimmune and rheumatic disorders. Although the human platelet antigens (HPA) polymorphism are associated with HCV persistence, they have not been investigated in ...
Natália Bronzatto Medolago +6 more
doaj +1 more source
Antimicrobial Stewardship & Healthcare Epidemiology, 2023 Objective: Data are scarce regarding hospital infection control committees and compliance with infection prevention and control (IPC) recommendations in Brazil, a country of continental dimensions.
Beatriz Arns +45 more
doaj +1 more source
ChemistrySelect, Volume 11, Issue 2, 15 January 2026.Three phenanthrene alkaloids from Guatteria olivacea were studied by DFT, docking, MD, and cytotoxicity assays. All compounds showed stable binding to DNA–topoisomerase II and human serum albumin. Atherosperminine exhibited cytotoxic activity against four cancer cell lines, supporting its potential as a topoisomerase II inhibitor and anticancer ...
Renyer A. Costa +8 more
wiley +1 more source
Scripta, 1998 Há uma relação estreita entre a obra do poeta Castro Alves e a poesiados negros brasileiros, pela temática, bem como por seus apelosà oralidade. A necessidade de mobilização social gerou muitos poemaspróprios para a declamação.
Luiz Silva
doaj
SARS‐CoV‐2 Infection Among Children in Rondônia, Western Brazilian Amazon
Advances in Virology, Volume 2025, Issue 1, 2025.We analyzed 364 children symptomatic or asymptomatic for respiratory symptoms, aged 0.1 month–17 years, selected from primary healthcare units of different municipalities of Rondônia from June 2021 to September 2022. Data were collected from medical and electronic records for epidemiological characterization. The positive cohort (n = 96) was quantified
Gil Guibson Mota Amaral +10 more
wiley +1 more source