Results 61 to 70 of about 303,481 (250)

Physiological role of potassium channels in mammalian germ cell differentiation, maturation, and capacitation

open access: yesAndrology, Volume 13, Issue 2, Page 184-201, February 2025.
Abstract Background Ion channels are essential for differentiation and maturation of germ cells, and even for fertilization in mammals. Different types of potassium channels have been identified, which are grouped into voltage‐gated channels (Kv), ligand‐gated channels (Kligand), inwardly rectifying channels (Kir), and tandem pore domain channels (K2P).
Ariadna Delgado‐Bermúdez   +3 more
wiley   +1 more source

Utilização de extrato de própolis verde no resfriamento de sêmen equino [PDF]

open access: yes, 2014
Seminal cooling aims to prolong spermatic lifespan and fertilizing capacity due to reduction in energy metabolism of spermatozoa, providing enough period for transportation from the stallion to the mare.
Santos, Fernanda Carlini Cunha dos
core   +1 more source

Síntesis y Caracterización Fisicoquímica de una Membrana Cargada con TiO2 Preparada a Partir de la Sulfonación de un Copolímero de Éster Acrílico y Estireno

open access: yes, 2015
espanolMembranas de intercambio protonico fueron preparadas a partir de un copolimero de ester acrilico y estireno, y sus propiedades fisicoquimicas fueron investigadas para aplicacion en celdas de combustible.

semanticscholar   +1 more source

Hollow Fiber–Supported ZIF‐8@GO Reinforced Sol–Gel for Preconcentration of Paraquat Before Determination by UV‐Vis Spectrophotometry

open access: yesJournal of Analytical Methods in Chemistry, Volume 2025, Issue 1, 2025.
A novel, sensitive, and efficient method was developed for the determination of paraquat in soil samples, centered on solid‐phase microextraction using hollow fiber–supported ZIF‐8@GO reinforced sol–gel combined with UV‐Vis spectrophotometry at 257 nm. Silica‐based ZIF‐8@GO was synthesized through sol–gel technology by reacting tetraethyl orthosilicate
Narges Vaezi   +2 more
wiley   +1 more source

El espacio como membrana. Albert Kahn y Mies Van der Rohe.

open access: yesRA. Revista de Arquitectura, 2014
Poniendo en relación las arquitecturas de Mies van der Rohe y Albert Kahn, más allá de detectar influencias del segundo sobre el primero, ciertamente claras en determinados aspectos formales, se pretende realizar un análisis de la obra del arquitecto ...
Luis Pancorbo Crespo   +1 more
doaj  

Phylogeny of canine coronavirus (CCoV) from Brazilian dogs based on membrane protein partial sequences

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2013
Este artigo descreve a anteriormente desconhecida diversidade molecular de amostras brasileiras de Coronavírus canino (CCoV). Vinte e duas amostras foram submetidas à análise da sequência parcial do gene codificador da proteína de membrana, sendo 12 ...
M.P. Guirao   +4 more
doaj   +1 more source

Genômica e proteômica de Anaplasma marginale: contribuições para o controle da riquétsia. [PDF]

open access: yes, 2011
A anaplasmose bovina é causada pela riquétsia intra-eritrocítica Anaplasma marginale, responsável por importantes prejuízos econômicos, por causa da alta morbidade e mortalidade em rebanhos bovinos suscetíveis.
ADI, S. S.   +18 more
core  

Vascular Development of Fetal and Postnatal Neocortex of the Pig, the European Wild Boar Sus scrofa

open access: yesJournal of Comparative Neurology, Volume 532, Issue 12, December 2024.
Species silhouettes are adapted from Wahle et al., 2022. ABSTRACT The development of the brain's vascular system is a predominantly prenatal process in mammalian species and is required for neurogenesis and further brain development. Our recent work on fetal pig has revealed that many neurodevelopmental processes start well before birth and proceed ...
Eric Sobierajski   +7 more
wiley   +1 more source

Estrogen Interactions With Lipid Rafts Related to Neuroprotection. Impact of Brain Ageing and Menopause

open access: yesFrontiers in Neuroscience, 2018
Estrogens (E2) exert a plethora of neuroprotective actions against aged-associated brain diseases, including Alzheimer's disease (AD). Part of these actions takes place through binding to estrogen receptors (ER) embedded in signalosomes, where numerous ...
Raquel Marin   +3 more
doaj   +1 more source

Comportamiento de la ruptura prematura de membranas ovulares en pacientes ingresadas al área de alto riesgo obstétrico (ARO) en el Hospital Carlos Roberto Huembes en el período de Enero a Julio del año 2015 [PDF]

open access: yes, 2015
En estudios realizados por la OMS se reporta que de 126,377,000 nacimientos que ocurren cada año en países en vías de desarrollo, aproximadamente 5 millones de pacientes fallecen en el periodo neonatal y perinatal principalmente por ser partos prematuros,
Molina Bojorge, Raúl David   +1 more
core  

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