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Nanoscience
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Spectroscopy
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Electroforming and bipolar resistive switching characteristics in TiN/AlN/Pt device for nonvolatile memory application
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Host-guest interaction of 4’, 6-diamidino-2-phenylindole (DAPI) with cyclodextrins
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Wurtzite AlN films with TiN top electrode are deposited on Pt/Ti/SiO2/Si substrates by direct current reactive magnetron sputtering. The TiN/AlN/Pt memory device shows a stable and reproducible bipolar resistive switching behavior after a previous electroforming process. Good endurance of >1000 cycles and long retention time of 1000 s are demonstrated.
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Modulation in the photophysical properties of 4’,6-diamidino-2-phenylindole (DAPI) on its interaction with β-cyclodextrin (βCD) and γ-cyclodextrin (γCD) hosts has been investigated using ground-state absorption and steady-state and time-resolved fluorescence measurements.
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Physical Chemistry
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Chemical Sensors
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Correlation of solute transfer into alkane solvents from water and from the gas phase with updated Abraham model equations
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Benzoboroxole-modified nanoparticles for the recognition of glucose at neutral pH
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Literature data regarding partitioning of compounds from the gas phase to alkanes and from water to alkanes have been compiled and analyzed in accord with the Abraham solvation parameter model.
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Benzoboroxole modified nanoparticles were prepared starting from a polystyrene-co-vinylbenzylchloride latex by nucleophilic substitution with 6-amino-1-hydroxy-2,1-benzoxaborolane. It is known that benzoboroxole binds to saccharides at pH 7.4 due to the intramolecular coordination of a hydroxyl group coordinating as a donor group, which compensates the electron deficiency of the boron. These benzoboroxole modified nanoparticles were tested with regard to their aqueous saccharide binding ability utilizing Alizarin Red S as a reporter dye.
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