Results 101 to 110 of about 2,029 (256)

Legislación para el uso de animales de laboratorio en Costa Rica

open access: yes, 1998
UCR::Vicerrectoría de Docencia::Salud::Facultad de Medicina::Escuela de ...
Granados Zúñiga, Jorge   +1 more
openaire   +2 more sources

Rotenone Induces Morphological Damage and Reduction in Catecholamine Levels in the Central Nervous System of the Ascidian Styela plicata

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Ascidians are invertebrates that occupy a key phylogenetic position as a sister group of the vertebrates. The organization of their central nervous system (CNS), with cortex and medulla, indicates a plesiomorphic character of the gray and white matter of vertebrates, making this group of animals useful for studies of neurodegenerative events ...
Andressa de Abreu Mello   +4 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

PAUTAS BÁSICAS PARA EL MANEJO DE ANIMALES DE EXPERIMENTACIÓN EN INVESTIGACIÓN BIOMÉDICA

open access: yesRevista de la Facultad de Ciencias de la Salud, 2007
A lo largo de la historia de la humanidad, se han buscado remedios para aliviar las enfermedades, en este empeño han sido utilizado los animales, inicialmente de manera empírica y posteriormente han sido utilizado basándose en el rigor científico, a ...
Jairo Alfonso Vásquez López
doaj  

Presence of Nationally Banned Carbamates and Organophosphate Pesticides in Wild Carnivores, Southeastern Brazil

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT As top predators, terrestrial carnivores face great risk of pesticide exposure and serve as sentinels of environmental contamination. Additionally, terrestrial carnivores are frequently threatened by intentional or secondary poisoning with highly toxic compounds, such as carbamates and organophosphates.
Marina Pellegrino da Silva   +10 more
wiley   +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

Evaluación de la viabilidad e infectividad de matacercarias de fascicola hepática a diferentes edades

open access: yesRevista Mexicana de Ciencias Pecuarias, 1981
En los estudios sobre fasciolasis, para poder realizar una evaluación precisa bajo condiciones de laboratorio, es importante conocer el porcentaje de viabilidad e infectividad de las matacercarias empleadas en la infección de animales, con la finalidad ...
Feliciano Millán Suazo   +2 more
doaj  

Redes discursivas en el debate sobre experimentación animal en prensa española sobre el caso Vivotecnia

open access: yesAthenea Digital
La experimentación con animales ha sido objeto de amplios debates políticos, sociales y científicos. En 2021, Cruelty Free International publicó vídeos que mostraban abusos a animales empleados para experimentación en el laboratorio Vivotecnia en la ...
Jose A. Moreno   +2 more
doaj   +1 more source

Portable, Benchtop and Micro‐XRF in Agriculture—Present and Future From the Hardware Perspective

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT X‐ray fluorescence (XRF) spectrometry has been an important tool in agricultural studies recently. This technique allows the multielemental, direct, and in situ analysis. The objective of this review is to evaluate the use of XRF in agriculture focusing on plant and soil samples based on indexed articles in the Scopus database from 2020 to ...
Eduardo de Almeida   +7 more
wiley   +1 more source

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