Toru Tsuchiya

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The aim of this study was to determine differences in the functional properties of the stratum corneum of children and adults, focusing on the influence of approaching puberty. Biophysical measurements were made of the stratum corneum of 32 healthy Japanese children aged 10-14 years and their mothers in summer and the following winter. The children showed(More)
It was reported that adrenocorticotropic hormone stimulates melanogenesis in cultured melanocytes. Stress (high population density and restraint stress) induced a significant increase in adrenocorticotropic hormone levels in plasma and skin compared to control. The serum obtained from HR-1 x HR/De F1 female mice subjected to stress showed significantly(More)
BACKGROUND Mast cells stimulate inflammation and itch sensation in the skin by releasing various mediators when they are activated. Stress exacerbates some skin diseases. We have reported that inhalation of certain odorants modulates immune reactions in the skin. OBJECTIVE The possible usage of odorants in the regulation of skin inflammation and itch(More)
In this paper, we propose a new method for reducing assembly time in printed circuit board (PCB) assembly by prioritizing efficient simultaneous pickup operation of placement machines. Despite using the same placement machine, the efficiency of the schedule results in major different assembly time. Therefore, it is important to optimize the scheduling of(More)
In this paper, we propose a new method for reducing assembly time in printed circuit board (PCB) assembly by prioritizing efficient simultaneous pickup operation of placement machines. There are three major problems of the scheduling: (1) component feeder location (affects efficiency of pickup operation), (2) mounting sequencing (affects total distance of(More)
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