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간정격과 사관혈 침 치료의 우울 행동 개선 효과 및 뇌신경 반응성 분석 연구
엄근향 ( Geun-hyang Eom ),류재상 ( Jae-sang Ryu ),박지연 ( Ji-yeun Park ) 경락경혈학회 2021 Korean Journal of Acupuncture Vol.38 No.3
Objectives : We aimed to identify the antidepressant effect of liver tonification acupuncture treatment (ACU (LT); KI10, LR8, LU8, LR4) and four gate acupuncture treatment (ACU (FG); LI4, LR3) and its brain neural activity in the normal and chronic restraint stress (CRS)-induced mouse model. Methods : Firstly, normal mice were given ACU (LT) or ACU (FG) and the c-Fos expressions in each brain region were analyzed to examine brain neural activity. Secondly, CRS was administered to mice for 4 weeks, then ACU (LT) or ACU (FG) was performed for 2 weeks. The depression-like behavior was evaluated using open field test (OFT) before and after acupuncture treatment. Then, the c-Fos expressions in each brain region were analyzed to examine brain neural activity. Results : In normal mice, ACU (FG) regulated brain neural activities in the hypothalamus, hippocampus, and periaqueductal gray. ACU (LT) changed more brain regions in the prefrontal cortex, insular cortex, striatum, and hippocampus, including those altered by ACU (FG). In CRS-induced model, ACU (LT) alleviated depression-like behavior more than ACU (FG). Also, brain neural activities in the motor cortex area 2 (M2), agranular ventral part and piriform of insular cortex (AIV and Pir), and cornu ammonis (CA) 1 and CA3 of hippocampus were changed by ACU (LT), and those of AIV and CA3 were also changed by ACU (FG). As in normal mice, ACU (LT) resulted in changes in more brain regions, including those altered by ACU (FG) in CRS model. M2, Pir, and CA1 were only changed by ACU (LT) in depression model, suggesting that these brain regions reflect the specific effect of ACU (LT). Conclusions : ACU (LT) relieved depression-like behavior more than ACU (FG), and this acupuncture effect was associated with modulation of brain neural activities in the motor cortex, insular cortex, and hippocampus.
류재상,노경숙 동국대학교 산업기술연구원 2001 산업기술논문집 Vol.12 No.2
본 논문에서는 건물의 냉방 시설을 전기 대체시설과 심야전기를 이용하는 방식으로 교체할 경우 효과적인 점을 살펴보며, 빙축열 냉방시스템과 흡수식 냉온수기 시스템의 경제성을 비교하고자 한다. 아울러 최대 수용의 분산 및 전기에너지의 효율적 관리에 미치는 영향을 고찰하고자 한다. 하절기 냉방시스템은 전력수요를 급격히 증가시키는 주요원인으로 작용하고 있다. 빙축열 냉방시스템은 흡수식 냉온수기 시스템에 비해 환경적인 문제와 초기 투자비용에서 단점을 가지고 있지만 운전비용면에서는 잇점을 가지고 있다. 빙축열 냉방시스템은 별도로 난방설비가 필요하기 때문에 냉난방을 하나의 시스템으로 공급하는 흡수식 냉온수기에 비해 투자비용은 훨씬 높게 될 것이다. This paper discusses cooling methods for large buildings and beneficial effects when the cooling system is operated by electricity during night. It also compares the economy between ice thermal storage system(ITSS) and heater & chiller system, and talks about its impacts on shift of peak demands and efficient management of electricity. The air conditioning system is reported as the main cause for increase of power demand during summer season. Even though the ITSS has no advantage over the heater & chiller system with respect to the initial capital cost and environment problem, it is better in operational aspects. Since the ITSS requires additional facility for heating, its capital costs would increase more compared to the heater & chiller system, which is able to supply both heating and cooling.