Open Access

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2019-07-18
11:16
OpenAccess [FZJ-2019-03883] Journal Article
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Development, integration and use of an ultra-high-strength gradient system on a human-size 3 T magnet for small animal MRI
PLOS ONE 14(6), e0217916 - () [10.1371/journal.pone.0217916]
This study aims to integrate an ultra-high-strength gradient coil system on a clinical 3 T magnet and demonstrate its preclinical imaging capabilities. Dedicated phantoms were used to qualitatively and quantitatively assess the performance of the gradient system. [...]
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ddc:610
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2019-07-18
10:15
OpenAccess [FZJ-2019-03880] Journal Article
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Advanced 2D/3D cell migration assay for faster evaluation of chemotaxis of slow-moving cells
PLOS ONE 14(7), e0219708 - () [10.1371/journal.pone.0219708]
Considering the essential role of chemotaxis of adherent, slow-moving cells in processes such as tumor metastasis or wound healing, a detailed understanding of the mechanisms and cues that direct migration of cells through tissues is highly desirable. The state-of-the-art chemotaxis instruments (e.g. [...]
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ddc:610
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2019-07-18
06:27
OpenAccess [FZJ-2019-03877] Journal Article
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Influence of Environmental Conditions on the Fusion of Cationic Liposomes with Living Mammalian Cells
Nanomaterials 9(7), 1025 - () [10.3390/nano9071025]
Lipid-based nanoparticles, also called vesicles or liposomes, can be used as carriers for drugs or many types of biological macromolecules, including DNA and proteins. Efficiency and speed of cargo delivery are especially high for carrier vesicles that fuse with the cellular plasma membrane [...]
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ddc:540
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2019-07-17
13:31
OpenAccess [FZJ-2019-03862] Journal Article
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Isoform-specific Inhibition of N-methyl-D-aspartate Receptors by Bile Salts
The N-methyl-D-aspartate subfamily of ionotropic glutamate receptors (NMDARs) is well known for its important roles in the central nervous system (CNS), e.g. learning and memory formation. [...]
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ddc:600
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2019-07-17
13:29
OpenAccess [FZJ-2019-03861] Journal Article
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Structural Model of the ETR1 Ethylene Receptor Transmembrane Sensor Domain
The structure, mechanism of action and copper stoichiometry of the transmembrane sensor domain of the plant ethylene receptor ETR1 and homologs have remained elusive, hampering the understanding on how the perception of the plant hormone ethylene is transformed into a downstream signal. We generated the first structural model of the transmembrane sensor domain of ETR1 by integrating ab initio structure prediction and coevolutionary information. [...]
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ddc:600
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2019-07-17
11:22
OpenAccess [FZJ-2019-03853] Journal Article
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Comparative study of methodologies to compute the intrinsic Gilbert damping: interrelations, validity and physical consequences
Relaxation effects are of primary importance in the description of magnetic excitations, leading to a myriad of methods addressing the phenomenological damping parameters. In this work, we consider several well-established forms of calculating the intrinsic Gilbert damping within a unified theoretical framework, mapping out their connections and the approximations required to derive each formula. [...]
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ddc:530
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2019-07-17
11:03
OpenAccess [FZJ-2019-03850] Journal Article
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Unoccupied surface and interface states in Pd thin films deposited on Fe/Ir(111) surface
We present a systematic first-principles study of the electronic surface states and resonances occuring in thin films of Pd of various thicknesses deposited on a single ferromagnetic monolayer (ML) of Fe on top of Ir(111) substrate. This system is of interest since one Pd layer deposited on Fe/Ir(111) hosts small magnetic skyrmions. [...]
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ddc:530
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2019-07-17
08:39
OpenAccess [FZJ-2019-03844] Journal Article

Jscatter, a program for evaluation and analysis of experimental data
PLOS ONE 14(6), e0218789 - () [10.1371/journal.pone.0218789]
The aim of Jscatter is the processing of experimental data and physical models with the focus to enable the user to develop/modify their own models and use them within experimental data evaluation. The basic structures dataArray and dataList contain matrix-like data of different size including attributes to store corresponding metadata. [...]
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ddc:610
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2019-07-16
12:33
OpenAccess [FZJ-2019-03834] Journal Article
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Scientific workflows applied to the coupling of a continuum (Elmer v8.3) and a discrete element (HiDEM v1.0) ice dynamic model
Scientific computing applications involving complex simulations and data-intensive processing are often composed of multiple tasks forming a workflow of computing jobs. Scientific communities running such applications on computing resources often find it cumbersome to manage and monitor the execution of these tasks and their associated data. [...]
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ddc:550
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2019-07-16
12:00
OpenAccess [FZJ-2019-03833] Journal Article
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Stabilizing spin systems via symmetrically tailored RKKY interactions
Spins of single atoms adsorbed on substrates are promising building blocks for spintronics and quantum computation schemes. To process spin information and for increased magnetic stability, these spins have to be coupled to arrays. [...]
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ddc:500
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