Journal Article

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2019-09-16
10:22
[FZJ-2019-04698] Journal Article
et al
Dynamic FET PET Imaging of a “Butterfly” IDH-Wildtype Anaplastic Astrocytoma
A variety of neoplastic and nonneoplastic conditions involve the corpus callosum, which may result in a “butterfly” appearance on conventional MRI. Typically, that pattern shows a bilateral and heterogeneous contrast enhancement of the lesion, occasionally with central nonenhancing areas indicating intralesional necrosis. [...]
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ddc:610
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2019-09-16
09:47
[FZJ-2019-04691] Journal Article
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Tuning Channel Architecture of Interdigitated Organic Electrochemical Transistors for Recording the Action Potentials of Electrogenic Cells
Organic electrochemical transistors (OECTs) have emerged as versatile electrophysiological sensors due to their high transconductance, biocompatibility, and transparent channel material. High maximum transconductances are demonstrated facilitating the extracellular recording of signals from electrogenic cells. [...]
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ddc:530
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2019-09-16
09:45
[FZJ-2019-04690] Journal Article
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Fully Printed μ-Needle Electrode Array from Conductive Polymer Ink for Bioelectronic Applications
Microelectrode arrays (MEAs) are widely used platforms in bioelectronics to study electrogenic cells. In recent years, the processing of conductive polymers for the fabrication of three-dimensional electrode arrays has gained increasing interest for the development of novel sensor designs. [...]
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ddc:600
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2019-09-16
09:42
[FZJ-2019-04689] Journal Article
et al
Tuning Channel Architecture of Interdigitated Organic Electrochemical Transistors for Recording the Action Potentials of Electrogenic Cells
Organic electrochemical transistors (OECTs) have emerged as versatile electrophysiological sensors due to their high transconductance, biocompatibility, and transparent channel material. High maximum transconductances are demonstrated facilitating the extracellular recording of signals from electrogenic cells. [...]
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ddc:530
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2019-09-16
09:41
[FZJ-2019-04688] Journal Article
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Amplification of aptamer sensor signals by four orders of magnitude via interdigitated organic electrochemical transistors
Electrochemical aptamer receptor/transducer systems are key elements of emerging E-AB sensors (aptasensor) used for the detection of various kinds of targets. However, the performance of these amperometric sensors is often limited by the low density of receptors attached to the sensor surface and high background signals. [...]
ddc:610
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2019-09-16
09:38
[FZJ-2019-04687] Journal Article

Noninvasive measurement of the refractive index of cell organelles using surface plasmon resonance microscopy
Optics letters 44(6), 1359 - 1362 () [10.1364/OL.44.001359]
The health of a eukaryotic cell depends on the proper functioning of its cell organelles. Characterizing these nanometer- to micrometer-scaled specialized subunits without disturbing the cell is challenging but can also provide valuable insights regarding the state of a cell. [...]
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ddc:530
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2019-09-16
09:35
[FZJ-2019-04686] Journal Article
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Composite Lipid Bilayers from Cell Membrane Extracts and Artificial Mixes as a Cell Culture Platform
Langmuir 35(24), 8076 - 8084 () [10.1021/acs.langmuir.9b00763]
An artificial lipid bilayer is the closest possible model for the cell membrane. Despite that, current methods of lipid bilayer assembly and functionalization do not provide a satisfactory mimic of the cell–cell contact due to the inability to recreate an asymmetrical multicomponent system. [...]
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ddc:540
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2019-09-16
09:16
OpenAccess [FZJ-2019-04684] Journal Article

Ab initio study of magnetic nanopatterning of a hybrid transition metal dichalcogenides/Ir(111) system via magnetic clusters
In this theoretical study we scrutinized how the interaction between a magnetic cluster made of three Fe atoms and a MoS2 monolayer adsorbed on Ir(111) reciprocally modifies their structural, electronic, and magnetic properties. From the structural point of view, the sulfur atom directly coordinated by the Fe cluster is pulled out of MoS2 on Ir(111) while this behavior is not present for a freestanding MoS2 single layer. [...]
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ddc:530
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2019-09-16
09:13
OpenAccess [FZJ-2019-04683] Journal Article
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Position representation of effective electron-electron interactions in solids
An essential ingredient in many model Hamiltonians, such as the Hubbard model, is the effective electron-electron interaction U, which enters as matrix elements in some localized basis. These matrix elements provide the necessary information in the model, but the localized basis is incomplete for describing U. [...]
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ddc:530
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2019-09-13
14:34
[FZJ-2019-04676] Journal Article
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Role of Electron–Phonon Coupling in the Thermal Evolution of Bulk Rashba-Like Spin-Split Lead Halide Perovskites Exhibiting Dual-Band Photoluminescence
The optoelectronic properties of lead halide perovskites strongly depend on their underlying crystal symmetries and dynamics, sometimes exhibiting a dual photoluminescence (PL) emission via Rashba-like effects. Here we exploit spin- and temperature-dependent PL to study single-crystal APbBr3 (A = Cs and methylammonium; CH3NH3) and evaluate the peak energy, intensity, and line width evolutions of their dual emission. [...]
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ddc:333.7
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