First-principles calculations of effective-mass parameters of AlN and GaN.
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Biomedical subjects
A Yanase
Publications and source records attributed to A Yanase.
Quantization of excitons in CuCl epitaxial thin films: Behavior between a two-dimensional quantum well and the bulk.
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Atomic force microscope study of growth kinetics: Scaling in the heteroepitaxy of CuCl on CaF2(111).
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Optical selection rule and oscillator strength of confined exciton system in CuCl thin films.
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Irradiation effects on wound contraction using a connective tissue model.
To analyze irradiation effects on wound contraction, fibroblasts harvested from human oral mucosa were irradiated (single 2-, 4-, 6-, 8-, and 10-Gy exposures of x-rays). The irradiated fibroblasts were examined for growth ability, and they were cultured three-dimensionally in hydrated collagen gels. The irradiation inhibited growth of fibroblasts and contraction of collagen gels in a dose-dependent manner. In addition, inhibition depended on the duration after exposure. The organization of actin filaments of fibroblasts in this model was examined with fluorescent dye-conjugated phalloidin. Many elongated cell projections were formed in cells of the control group, but the cell projections were almost disrupted in the irradiated cells. X-ray irradiation is thus shown to inhibit wound contraction by affecting the organization of actin filaments in fibroblasts.
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