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The catalyst support layer is fabricated by applying a DC electrophoretic deposition on a colloid consisting of dispersed nanographitic flakes along with magnesium ions in isopropyl alcohol. The thickness and conductivity of the deposited layers are controlled by varying the time of the voltage application in the electrophoretic deposition EPD technique. The catalyst supports are decorated by sputtering...
Electric-field control of spin states has been studied in InGaAs-based coupled nanostructures composed of quantum dots (QDs) and wells (QWs), where electron spins optically excited in the QW can be transferred into the QDs via tunneling depending on the strength of applied electric field. The photoluminescence (PL) intensity in the QDs and the circular polarization, reflecting the electron-spin states...
Resistance switching of metal nanogap structures were observed using a scanning tunneling microscope (STM) equipment. Clear negative differential resistances in current-voltage curves and repeated high and low resistance changes were also observed in metal a surface/tunneling gap/metal STM tip junction like as static metal nanogap structures which are fabricated on insulator substrates. This results...
Poly(vinylidene fluoride) (PVDF) is a biocompatible polymer commonly used for biomedical applications, food packaging and hygiene products. Within these contexts, the polymer surface is typically exposed to microorganisms and bacteria, with consequent biofilm formation. In this paper, self-standing flexible composite poly(vinylidene fluoride)(PVDF) films with antimicrobial properties were prepared...
Nanoimprint is an emerging lithographic technology that promises high-throughput patterning of nanostructures. Based on the mechanical embossing principle, nanoimprint technique can achieve pattern resolutions beyond the limitations set by the light diffractions or beam scatterings in other conventional techniques. Nanoimprint can be applied to optical device, magnetic device, LSI device and so on.
In the study of neuronal networks or other cell cultures it is essential to combine information about a single element with the connections developed throughout the whole system. Those data come from different space and time scales, therefore requiring the employment of various techniques to be acquired and combined. Unfortunately, connecting data from more than one experiment is often challenging...
Studies on cellular behaviors on substrates with various physicochemical properties have important implications in cytology and bio-medical field. And a variety of cell microarrays have been developed to study in vitro. Our study aims to explore the relations between nano silicon dioxide structure substrates and circulating tumor cells (CTCs) adhesion, and create cell microarrays based on the cell...
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