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The controllable growth of partially aligned monolayer to multilayer micrometer stripes was demonstrated by adjusting the pulling speed in a dip-coating process. The number of molecular layers decreases with the increasing pulling speed. A lower pulling speed yields mixed multilayers (3-9 monolayers). It is noteworthy that pure monolayer and bilayer… (More)
The mechanism of diatom locomotion has been widely researched but still remains a hypothesis. There are several questionable points on the prevailing model proposed by Edgar, and some of the observed phenomena cannot be completely explained by this model. In this paper, we undertook detailed investigations of cell structures, locomotion, secreted mucilage,… (More)
Chlorogenic acid (CGA) exhibits various biological properties, including the inhibition of oxidation, obesity, apoptosis and tumorigenesis. CGA is also able to promote cell survival and proliferation. The aim of the present study was to determine the effects and underlying molecular mechanisms of CGA on the adipogenesis of bone marrow‑derived mesenchymal… (More)
We report here an enhancement in photovoltage for dye-sensitized solar cells (DSSCs) where halogen-bonding interactions exist between a nucleophilic electrolyte species (I(-)) and a photo-oxidized dye immobilized on a TiO2 surface. The triarylamine-based dyes under investigation showed larger rate constants for dye regeneration (kreg) by the nucleophilic… (More)
The anisotropic wetting of functional organic molecules on a patterned surface and the development of a photolithography-compatible method to fabricate addressable organic structures is reported. For example, DtCDQA is grown on a SiO2 surface with a Au prepattern, achieving a high resolution cross-over organic structure.
A gold-catalyzed hydrogen bond-directed tandem cyclization strategy to synthesize indeno-chromen-4-one and indeno-quinolin-4-one derivatives has been developed. The hydrogen bond existing between the hydroxyl group (or the amide group) and the carbonyl group played an essential role in controlling the selectivity, which was confirmed by both experimental… (More)
An approach for manufacturing polytetrafluoroethylene nanoparticle films using repulsive electrostatic interactions was developed. This approach used the strong repulsive force between colloidal nanoparticles and a substrate surface to cause the colloidal nanoparticles to suspend and self-assemble at a near-wall equilibrium position. A suspended monolayer… (More)