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Maternal rhythms entrain the prenatal and neonatal circadian clock in the suprachiasmatic nucleus (SCN) before light entrainment is established. However, the responsible time cues for maternal entrainment are not identified. To examine the role of cyclic changes of ambient temperature in maternal entrainment, blind neonatal rats carrying a clock gene (Per2)(More)
Laser annealing is a promising candidate for ultra-shallow junction formation. However, melt-annealing that utilizes fast recrystallization to achieve non-equilibrium activation tends to accompany undesirable melting at portions other than junction areas. In this paper, deformation of Mo gate is discussed through experimental and simulation work
To compensate deep penetration depth of green laser light into Si, metal absorber was formed on a specimen. TiN absorber was effective to reduce necessary laser energy density to activate dopant, however Mo worked oppositely. In addition, specimens with the absorber encountered the problem of over-melt that increased junction depth severely. Mechanisms of(More)
The foot-like structure of pecten (mollusk) cross striated muscle cells was studied from structural and biochemical standpoints, and compared with foot structures of vertebrate skeletal muscle cells. In vertebrate muscles, foot structures have been observed at the interspace between T-tubules and sarcoplasmic reticula (SR). In pecten muscles, T-tubules were(More)
The brachiopoda, Lingula unguis, has a pair of anterior adductors located in the center of the shell. Each muscle consists of an opaque and a translucent portion which is constructed of smooth and obliquely-striated muscle respectively. According to our ultrastructural observations, the opaque portion seems to have two types of cells. They differ only in(More)
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