Articles with "polarity" as a keyword



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Unorthodox regulation of the MglA Ras‐like GTPase controlling polarity in Myxococcus xanthus

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Published in 2022 at "FEBS Letters"

DOI: 10.1002/1873-3468.14565

Abstract: Motile cells have developed a large array of molecular machineries to actively change their direction of movement in response to spatial cues from their environment. In this process, small GTPases act as molecular switches and… read more here.

Keywords: ras like; motility; myxococcus xanthus; xanthus ... See more keywords
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Graphene‐Assisted Epitaxy of Nitrogen Lattice Polarity GaN Films on Non‐Polar Sapphire Substrates for Green Light Emitting Diodes

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202001283

Abstract: Lattice polarity is a key point for hexagonal semiconductors such as GaN. Unfortunately, only Ga‐polarity GaN have been achieved on graphene till now. Here, the epitaxy of high quality nitrogen‐polarity GaN films on transferred graphene… read more here.

Keywords: polarity gan; gan films; nitrogen; light emitting ... See more keywords
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Discovery of Real-Space Topological Ferroelectricity in Metallic Transition Metal Phosphides.

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Published in 2020 at "Advanced materials"

DOI: 10.1002/adma.202003479

Abstract: Ferroelectric metals-with coexisting ferroelectricity and structural asymmetry-challenge traditional perceptions because free electrons screen electrostatic forces between ions, the driving force of breaking the spatial inversion symmetry. Despite ferroelectric metals having been unveiled one after another,… read more here.

Keywords: discovery real; real space; ferroelectricity; polarity ... See more keywords
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Perspiring Soft Robotics Skin Constituted by Dynamic Polarity‐Switching Porous Liquid Crystal Membrane

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202211143

Abstract: Secretion of functional fluids is essential for affecting surface properties in ecosystems. The existing polymer membranes that mimic human skin functions are limited to secreting, either apolar or polar, liquid. However, the development of membranes… read more here.

Keywords: polar liquid; robotics; perspiring soft; liquid ... See more keywords
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Cell Polarity and Notch Signaling: Linked by the E3 Ubiquitin Ligase Neuralized?

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Published in 2017 at "BioEssays"

DOI: 10.1002/bies.201700128

Abstract: Notch is a mechanosensitive receptor that requires direct cell–cell contact for its activation. Both the strength and the range of notch signaling depend on the size and geometry of the contact sites between cells. These… read more here.

Keywords: cell polarity; ubiquitin ligase; polarity; notch signaling ... See more keywords
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The microemulsion electrokinetic capillary chromatography combined with reversed‐electrode polarity stacking mode for enriching and quantifying lignanoids and ginsenosides in TCMs preparation Shengmai injection

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Published in 2018 at "ELECTROPHORESIS"

DOI: 10.1002/elps.201800196

Abstract: An on‐line large volume sample stacking with polarity switching (LVSS) method was proposed for simultaneously determining lignanoids and ginsenosides in MEEKC. The parameters including the pH value and concentration of buffer solution, SDS, organic modifier,… read more here.

Keywords: lvss method; microemulsion electrokinetic; polarity; electrokinetic capillary ... See more keywords
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The formation of paranodal spirals at the ends of CNS myelin sheaths requires the planar polarity protein Vangl2

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Published in 2020 at "Glia"

DOI: 10.1002/glia.23809

Abstract: During axonal ensheathment, noncompact myelin channels formed at lateral edges of the myelinating process become arranged into tight paranodal spirals that resemble loops when cut in cross section. These adhere to the axon, concentrating voltage‐dependent… read more here.

Keywords: paranodal spirals; vangl2; adhesion; polarity ... See more keywords
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The polarity effect of compact ionization chambers used for small field dosimetry

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Published in 2018 at "Medical Physics"

DOI: 10.1002/mp.13227

Abstract: PURPOSE The recent developments of compact air-filled ionization chambers for use in small photon beams have raised the needs to address the associated polarity effect. The polarity effect of five compact ionization chambers has been… read more here.

Keywords: effect; polarity effect; polarity; small field ... See more keywords
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Relationship between Side‐Chain Polarity and the Self‐Assembly Characteristics of Perylene Diimide Derivatives in Aqueous Solution

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Published in 2017 at "ChemistryOpen"

DOI: 10.1002/open.201600133

Abstract: Abstract Perylene‐3,4,9,10‐tetracarboxylic acid diimides (PDIs) have recently gained considerable interest for water‐based biosensing applications. PDIs have been studied intensively in the bulk state, but their physical properties in aqueous solution in interplay with side‐chain polarity… read more here.

Keywords: chain polarity; polarity; side chain; self assembly ... See more keywords
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Time-Resolved SAXS Study of Polarity- and Surfactant-Controlled Superlattice Transformations of Oleate-Capped Nanocubes During Solvent Removal.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202106768

Abstract: Structural transformations and lattice expansion of oleate-capped iron oxide nanocube superlattices are studied by time-resolved small-angle X-ray scattering (SAXS) during solvent removal. The combination of conductor-like screening model for real solvents (COSMO-RS) theory with computational… read more here.

Keywords: time resolved; oleate capped; solvent removal; polarity ... See more keywords
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Atomic-Scale Mechanism of Spontaneous Polarity Inversion in AlN on Nonpolar Sapphire Substrate Grown by MOCVD.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202200057

Abstract: The performance of nitride devices is strongly affected by their polarity. Understanding the polarity determination and evolution mechanism of polar wurtzite nitrides on nonpolar substrates is therefore critically important. This work confirms that the polarity… read more here.

Keywords: spontaneous polarity; sapphire; mechanism; polarity inversion ... See more keywords