Results 101 to 110 of about 1,264,513 (255)

Investigation of Oxygen‐Free Wetting Behavior of Aluminum on Copper via Molecular Dynamics Simulations and Experiments

open access: yesAdvanced Engineering Materials, EarlyView.
The wettability of aluminum droplets (Al) on different copper substrates (Cu), where liquid Al spreads on solid Cu surfaces to form a liquid–solid interface, is studied numerically and experimentally. The experimental and numerical results show good agreement in the fast‐spreading regime.
Shan Lyu   +8 more
wiley   +1 more source

Breaking the link between morphology and potency for mESCs

open access: yesCell & Bioscience
Background In stem cell biology, a long-held structure–function relationship is the domed colony morphology and naïve pluripotency for mouse or human pluripotent stem cells. This link has provided a convenient way to recognize bona fide naïve pluripotent
Yixin Fan   +10 more
doaj   +1 more source

Fostering Innovation: Streamlining Magnetocaloric Materials Research by Digitalization

open access: yesAdvanced Engineering Materials, EarlyView.
Magnetocaloric cooling (MCE) is an environmentally friendly refrigeration method with great potential. Optimizing MCE materials involves the preparation and screening of large quantities of samples, which in turn generates a large amount of data. A digitalization approach is presented that uses ontologies, knowledge graphs, and digital workflows to ...
Simon Bekemeier   +17 more
wiley   +1 more source

X chromosome inactivation in mammals: general principles and species-specific considerations

open access: yesEMBO Reports
X chromosome inactivation (XCI) is a mammalian dosage compensation mechanism that ensures balanced expression of X-linked genes between males and females. Research using rodent models has led to major discoveries regarding XCI mechanisms and dynamics, in
Charbel Alfeghaly, Claire Rougeulle
doaj   +1 more source

Helix or Coil? Fate of a Melting Heteropolymer

open access: yes, 2008
We determine the probability that a partially melted heteropolymer at the melting temperature will either melt completely or return to a helix state. This system is equivalent to the splitting probability for a diffusing particle on a finite interval ...
G. Oshanin   +5 more
core   +2 more sources

A Surface‐engineered Microfluidic Device for Antibody‐Mediated Negative Selection of High‐Quality Sperm for Assisted Reproduction

open access: yesAdvanced Functional Materials, EarlyView.
This study reports a microfluidic device with a functionalized surface utilizing a polyoxazoline coating and covalently immobilized gold nanoparticles and anti‐phosphatidylserine antibody. The device efficiently eliminates pre‐apoptotic and apoptotic spermatozoa and yields sperm with substantially improved quality and low DNA damage, offering a simple ...
Soraya Rasi Ghaemi   +5 more
wiley   +1 more source

O PAPEL DOS RITUAIS NA FORMAÇÃO ESCOLAR: UM OLHAR SOBRE A FORMAÇÃO DE ALUNOS NAS ANTIGAS ESCOLAS MILITARES

open access: yesRevista Contemporânea de Educação, 2016
Este artigo tem como objetivo analisar a papel dos rituais nas escolas militares do Exército brasileiro, destacando sua importância na formação dos alunos (oficiais). O recorte temporal abrange as primeiras décadas republicanas.
Janote Pires Marques
doaj   +1 more source

Renormalization-group running of the cosmological constant and the fate of the universe

open access: yes, 2003
For a generic quantum field theory we study the role played by the renormalization-group (RG) running of the cosmological constant (CC) in determining the ultimate fate of the universe.
A. Babić   +42 more
core   +1 more source

Predicting Atomic Charges in MOFs by Topological Charge Equilibration

open access: yesAdvanced Functional Materials, EarlyView.
An atomic charge prediction method is presented that is able to accurately reproduce ab‐initio‐derived reference charges for a large number of metal–organic frameworks. Based on a topological charge equilibration scheme, static charges that fulfill overall neutrality are quickly generated.
Babak Farhadi Jahromi   +2 more
wiley   +1 more source

Cpt1a Drives primed-to-naïve pluripotency transition through lipid remodeling

open access: yesCommunications Biology
Metabolism has been implicated in cell fate determination, particularly through epigenetic modifications. Similarly, lipid remodeling also plays a role in regulating cell fate.
Zhaoyi Ma   +16 more
doaj   +1 more source

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