Results 71 to 80 of about 3,162,794 (289)
La eco-estructura de la empresa y la competitividad [PDF]
La empresa, a causa de los cambios que se producen en los escenarios, tiende a ajustar su dimensión a través procesos de retracción o de expansión. La tendencia de la empresa debería ser, en el mediano y en el largo plazo, a la expansión como condición ...
Álvarez, Héctor Felipe
core +1 more source
A Meta-Analysis of Global Urban Land Expansion
The conversion of Earth's land surface to urban uses is one of the most irreversible human impacts on the global biosphere. It drives the loss of farmland, affects local climate, fragments habitats, and threatens biodiversity.
K. Seto +3 more
semanticscholar +1 more source
Hematopoietic (stem) cells—The elixir of life?
The aging of HSCs (hematopoietic stem cells) and the blood system leads to the decline of other organs. Rejuvenating aged HSCs improves the function of the blood system, slowing the aging of the heart, kidney, brain, and liver, and the occurrence of age‐related diseases.
Emilie L. Cerezo +4 more
wiley +1 more source
Molecular bases of circadian magnesium rhythms across eukaryotes
Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley +1 more source
Europa en la época del descubrimiento. Comercio y expansión hacia ultramar, 1450-1550
Abel Ignacio López Forero. Europa en la época del Descubrimiento. Comercio y expansión hacia ultramar, 1450-1550. Santafé de Bogotá, Ariel Historia, 1998, 311 páginas. El presente trabajo es el producto de largos años de ocupación docente e investigativa
Rubén Jaramillo Vélez
doaj
This perspective highlights emerging insights into how the circadian transcription factor CLOCK:BMAL1 regulates chromatin architecture, cooperates with other transcription factors, and coordinates enhancer dynamics. We propose an updated framework for how circadian transcription factors operate within dynamic and multifactorial chromatin landscapes ...
Xinyu Y. Nie, Jerome S. Menet
wiley +1 more source
Contribution of adipogenesis to healthy adipose tissue expansion in obesity.
The manner in which white adipose tissue (WAT) expands and remodels directly impacts the risk of developing metabolic syndrome in obesity. Preferential accumulation of visceral WAT is associated with increased risk for insulin resistance, whereas ...
Lavanya Vishvanath, Rana K. Gupta
semanticscholar +1 more source
Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley +1 more source
Theoretical and practical validation tests for a near-field to far-field transformation algorithm using spherical wave expansion [PDF]
The use of spherical wave expansion of the solution of the wave equation to predict Far-Field values from data measured in the Near-Field region is a well known technique, typically used to perform antenna measurements in compact anechoic chambers ...
Azpúrua Auyanet, Marco Aurelio +5 more
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