Takaharu Ishibashi

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Wide-bandgap semiconductors such as silicon carbide (SiC) and gallium nitride (GaN) are promising materials for next-generation power devices. We have fabricated a normally on GaN-based high-electron-mobility transistor (GaN HEMT) for power electronic converters. In this paper, the current collapse phenomena, which are distinctive characteristics of GaN(More)
Release of glutamate during inflammation and injury changes sensitivity and transmission efficiency of noxious sensory information via glutamate receptors. We found that activation of metabotropic glutamate receptor type 5 (mGluR5) transiently increased, and then subsequently decreased, noxious heat sensitivity. Similarly, mGluR5 activation in cultured(More)
Damaged tissues release glutamate and other chemical mediators for several hours. These chemical mediators contribute to modulation of pruritus and pain. Herein, we investigated the effects of long-term activation of excitatory glutamate receptors on functional expression of transient receptor potential vaniloid type 1 (TRPV1) in dorsal root ganglion (DRG)(More)
Dear Sir, I would like to address the earlier Letter to the Editor 'The pathophysiological significance of red blood cell nitric oxide concentrations in inflammatory Behçet's disease' by Everklioglu et al. in Mediators of Inflammation . 1 It is not hard to accept that NO production is enhanced in active inflammation in Behçet's disease, and this may be(More)
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