Ken Tamamoto

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A 51-year-old man with annuloaortic ectasia and aortic regurgitation, who did not have Marfan syndrome, underwent an aortic valve-sparing root reconstruction (remodeling). All three sinuses were excised and then the ascending aorta was replaced with a 30 mm collagen-impregnated Dacron graft, one of which ends were scalloped to reproduce pseudosinus. Each(More)
Guided by theoretical calculations, we predicted that 5,5,6,6-tetrafluoro-1-methoxycyclohex-1-ene, a new structural motif, exhibits a large negative dielectric anisotropy, and then developed a synthetic strategy for the preparation of the novel tetrafluorinated tricyclic mesogen in twelve reaction steps starting from a commercially available fluorinated(More)
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