Tatsuya Iizuka

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Energy harvesting (EH) is a key enabling technology for the autonomous operation of smart devices. However, designing a system based on energy harvesting is much more difficult than designing battery-powered systems. The system has to weigh the balance between harvested energy and consumed energy, while taking into account various uncertainties in the(More)
Energy harvesting (EH) is a key technology for the autonomous operation of smart devices. However, designing a system based on energy harvesting is much more difficult than designing battery-powered systems. The system has to weigh the balance between harvested energy and consumed energy, while taking into account various uncertainties in the actual(More)
We have evaluated the photodynamic activities of C60 derivative·γ-cyclodextrin (γ-CDx) complexes and demonstrated that they were significantly higher than those of the pristine C60 and C70·γ-CDx complexes under photoirradiation at long wavelengths (610-720 nm), which represent the optimal wavelengths for photodynamic therapy (PDT). In particular, the(More)
Anionic and neutral fullerene derivatives were dissolved in water by using β-(1,3-1,6)-d-glucan (β-1,3-glucan) as a solubilizing agent. In the water-solubilized complexes, the concentrations of fullerene derivatives were ≈0.30 mm and the average particle sizes were ≈90 nm. The β-1,3-glucan-complexed fullerene derivative with a carboxylic acid was found to(More)
To obtain direct evidence for the fullerene-exchange reactions from the γ-cyclodextrin cavities to the lipid membranes following the addition of a C70·γ-cyclodextrin complex, we monitored the dynamic behaviours of the giant unilamellar vesicles. A number of C70 aggregates generated in the lipid membranes moved about vigorously.
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