Results 51 to 60 of about 63,100,598 (248)

Total Immunoglobulin G Variation Through the Phenological Cycle of Migrant and Resident Lesser Long-Nosed Bats (Leptonycteris yerbabuenae) in the Drylands of Mexico and Its Relationship With Bacterial Killing-Ability of Plasma. [PDF]

open access: yesJ Exp Zool A Ecol Integr Physiol
ABSTRACT Bats have unique immunological characteristics among vertebrates. Understanding how the immune system responds during the life cycle of bat populations is crucial for grasping how their defenses against infection vary during critical life events.
Rivera-Ruiz DA   +6 more
europepmc   +2 more sources

Assessment of Oxidative Stress, Vitellogenin, and Human Health Risks Derived From Nile Tilapia Exposed to Metals and Metalloids in Southeastern Brazil

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Urban coastal lagoons are highly vulnerable ecosystems increasingly affected by metal contamination, as well as multiple anthropogenic stressors. This study evaluated ecotoxicological and human health risks associated with chronic metal exposure in Nile tilapia (Oreochromis niloticus) from an anthropogenically impacted lagoon in southeastern ...
Julia Araújo Alves   +8 more
wiley   +1 more source

Microplastics and the Endocrine–Metabolic Interface: Novel Diagnostic Tools Targeting Thyroid–Adipose Axis

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Microplastics (MPs) have been identified as major environmental contaminants that can affect organisms directly and act as carriers of particles and chemical additives, thereby aggravating endocrine networks that coordinate metabolic homeostasis.
Sunday Amos Onikanni   +10 more
wiley   +1 more source

Gestión de la calidad en servicios de imagenología

open access: yesRevista Chilena de Radiología
En un procedimiento imagenológico con radiaciones ionizantes intervienen diferentes elementos, y a cada posible fallo en alguno de ellos cabe asociar un detrimento en la calidad del mismo.
Carlos Ubeda-de la Cerda   +8 more
doaj   +1 more source

The 5T Paradox of Triclosan: From Toiletries to Toxic Trash, a Growing Threat to Humanity

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Triclosan (TCS) persists as a contaminant of concern in the Anthropocene, despite regulatory actions. Environmental dissemination continues through wastewater effluents, biosolid application, and improper disposal practices. This narrative review synthesizes current evidence regarding triclosan's environmental fate, transformation pathways ...
Temitope Aribigbola   +10 more
wiley   +1 more source

Availability of a Keystone Plant Resource Reduces Niche Overlap and Drives Distinct Species‐Specific Changes in Niche Breadth Among Small Rodents

open access: yesIntegrative Zoology, EarlyView.
We investigated how three rodent species respond to the seasonal availability of Araucaria angustifolia seeds. While Oligoryzomys spp. increased seed consumption and abundance during seed production, the more insectivorous Akodon paranaensis maintained a broader diet.
Adriana A. Perini, Emerson M. Vieira
wiley   +1 more source

La eficacia de la vacunación en la prevención de la fiebre amarilla en Colombia

open access: yesRevista de la Facultad de Medicina, 1944
La introducción de la vacuna contra la fiebre amarilla trajo como consecuencia la eliminación de las infecciones con el mismo virus, ocurridas en el laboratorio entre el personal de la División Sanitaria Internacional de la Fundación Rockefeller. Además,
John C. Bugher, Augusto Gast-Galvis
doaj  

Morphotype Bias, Morph Specific Recruitment and No Elevation‐Life History Relation in High Altitude Mesquite Lizard Populations

open access: yesIntegrative Zoology, EarlyView.
Site‐level differences in population growth (λ) and phenotype frequencies. Mountain silhouettes represent the three study sites. Morph relative abundances are shown in the colored vertical bar. Point estimates and confidence intervals of λ for each site are displayed below, with the dashed line marking the threshold for demographic stability (λ = 1 ...
Brasil Canales‐Gordillo   +4 more
wiley   +1 more source

Satisfacción del personal de salud en la atención del laboratorio clínico: estudio cuantitativo

open access: yesRevista Científica de Salud BIOSANA
La satisfacción del personal de salud con los servicios del laboratorio clínico es un indicador clave en la calidad de la atención hospitalaria. Este estudio cuantitativo, de tipo descriptivo-correlacional, evaluó la relación entre la calidad de atención del laboratorio clínico del Hospital Básico El Carmen y la satisfacción del personal de salud.
Marjorie Elizabeth García Heredia   +4 more
openaire   +1 more source

Parasites at the Summit: Unexpected Geographic Distribution of the Blood Parasite Lineage Found in the Endangered Giant Lizard of Tenerife

open access: yesIntegrative Zoology, EarlyView.
We combined microscopic screening and molecular phylogenetic analyses to characterize blood parasites infecting Gallotia intermedia from the coastal cliffs of Montaña de Guaza and to place these infections in a broader biogeographic context. We detected apicomplexan parasites of the genus Karyolysus infecting 53.6% of G.
Rodrigo Megía‐Palma   +8 more
wiley   +1 more source

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