Keiko Miyabayashi

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Hierarchically-assembled binary cadmium chalcogenide (CdX, X = S, Se, Te) oligomers were engineered. CdTe precursor injections into a solution containing seeded nanocrystals provided longer oligomers possessing alternating and phase-separated CdX and CdTe constituents in the same wire, like an alternating copolymer.
Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) has high resolution, so provides a viable method to characterize extremely complex mixtures. The molecular formulas of individual components are determined simply by accurate mass measurement. Here, recent advances in FT-ICR MS application to pe­ troleum derived heavy materials are(More)
Platinum nanoparticles (NPs) protected with octylamine (OA) as well as partially replaced by controlled ratios of alkylamine with pyrene group (PA) were successfully synthesized by a two-phase liquid reduction method of Pt(IV). The NPs without any pretreatment to remove the introduced organic-protected agents have been well-characterized and applied as(More)
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