Results 21 to 30 of about 15,306 (136)

On the systematic relationships of Cearadactylus atrox, an enigmatic Early Cretaceous pterosaur from the Santana Formation of Brazil [PDF]

open access: yesFossil Record, 2002
Cearadactylus atrox, a large pterodactyloid pterosaur represented by an incomplete skull and lower jaw from the Lower Cretaceous Santana Formation of Brazil, is a valid species.
D. M. Unwin
doaj   +3 more sources

HLA-A*02 affinity to SARS-CoV-2 and susceptibility to COVID-19

open access: yesEuropean Journal of Biological Research, 2023
Coronavirus disease 2 (SARS-CoV-2) was declared by the World Health Organization as a global public health urgency. Considering the crucial role of HLA molecules in emerging infections, the interference of different HLA alleles on susceptibility to ...
Lucas Nascimento Ribeiro   +7 more
doaj  

Mucosal IgA increase in rats by continuous CLA feeding during suckling and early infancy

open access: yesJournal of Lipid Research, 2009
The aim of this work was to establish the effect of the cis9,trans11 conjugated linoleic acid (CLA) isomer on mucosal immunity during early life in rats, a period when mucosal immunoglobulin production is poorly developed, as is also the case in humans ...
Francisco J. Pérez-Cano   +6 more
doaj   +1 more source

Molecular Characterization of Salmonella Phage Wara Isolated from River Water in Brazil

open access: yesMicroorganisms, 2023
Antimicrobial resistance is increasing despite new treatments being employed, so novel strategies are required to ensure that bacterial infections remain treatable.
Danitza Xiomara Romero-Calle   +13 more
doaj   +1 more source

The triple epidemics of arboviruses in Feira de Santana, Brazilian Northeast: Epidemiological characteristics and diffusion patterns

open access: yesEpidemics, 2022
Arboviruses are diseases of worldwide importance in the field of communicable diseases. In Brazil, the reemergence of dengue and the emergence of chikungunya and Zika since 2014 have led to epidemic waves of great magnitude and rapid spread.
Lacita Menezes Skalinski   +8 more
doaj   +1 more source

On the systematic relationships of Cearadactylus atrox, an enigmatic Early Cretaceous pterosaur from the Santana Formation of Brazil [PDF]

open access: yesFossil Record, 2002
Cearadactylus atrox, a large pterodactyloid pterosaur represented by an incomplete skull and lower jaw from the Lower Cretaceous Santana Formation of Brazil, is a valid species.
D. M. Unwin
doaj   +1 more source

Plant–Bee Interaction Network in an Atlantic Forest Fragment of a Neotropical Metropolis

open access: yesSociobiology
Urbanization is a major driver of biodiversity loss and profoundly alters the structure of species interaction networks. Nevertheless, urban forest remnants may still sustain structurally and functionally diverse pollinator networks.
Maise Silva   +3 more
doaj   +1 more source

Distributional patterns of ?Mawsoniidae (Sarcopterygii: Actinistia)

open access: yesAnais da Academia Brasileira de Ciências, 2014
Mawsoniidae are a fossil family of actinistian fish popularly known as coelacanths, which are found in continental and marine paleoenvironments. The taxon is considered monophyletic, including five valid genera (Axelrodichthys, Chinlea, Diplurus ...
RAPHAEL MIGUEL   +2 more
doaj   +1 more source

The largest flying reptile from Gondwana: a new specimen of Tropeognathus cf. T. mesembrinusWellnhofer, 1987 (Pterodactyloidea, Anhangueridae) and other large pterosaurs from the Romualdo Formation, Lower Cretaceous, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2013
A very large pterosaur (MN 6594-V) from the Romualdo Formation (Aptian/Albian), Santana Group, Araripe Basin, is described. The specimen is referred to Tropeognathus cf. T.
ALEXANDER W. A. KELLNER   +9 more
doaj   +1 more source

Supervisão da enfermeira em Unidades Básicas de Saúde Supervisión de la enfermera en Unidades Básicas de Salud Nurse supervision in Health Basic Units

open access: yesRevista Brasileira de Enfermagem, 2006
Trata-se de um estudo quantitativo sobre o padrão de supervisão das enfermeiras nas unidades básicas de saúde da sede do município de Feira de Santana - BA no período de agosto de 2001 a junho de 2002, que tem como objetivo descrever e identificar a ...
Valesca Silveira Correia   +1 more
doaj   +1 more source

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