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윤일지(IL-Ji YUN),윤현석(Hyun-Seok Yun),배상근(Sang-Keun Bae),김태경(Tae-Kyoung Kim),김민섭(Min-seop Kim),이규호(Kyu-Ho Lee),김수한(Su-Han Kim),김창은(Chang_Eun Kim),서광민(Kwang-Min Seo) 한국조명·전기설비학회 2021 한국조명·전기설비학회 학술대회논문집 Vol.2021 No.11
The heat recovery ventilator developed for clean indoor air quality management is applied in real life for the purpose of outdoor air and indoor air exchange through devices, increasing energy efficiency, and clean indoor air quality management through filters. To heat recovery ventilator, a unidirectional BLDC motor, in which motor rotation direction cannot be controlled (constant-reverse control), is applied to the air supply and exhaust side. From the results of last study, it can be seen that BLDC motors (hereinafter referred to as sensorless BLDC motors) capable of integrating the control unit of the motor with the external main control unit and removing the sensors are applied to all heat recovery ventilator. This paper examines the result of research on the function of preventing fire diffusion through controlling the negative pressure state at each stage in an expanded form of a function to extend the life of a filter by applying reverse (backwashing) control technology, which is a characteristic of a sensorless BLDC motor.
순기제습방(順氣除濕方)이 고지방식이(高脂肪食餌)로 유발된 비만(肥滿) 백서(白鼠)에 미치는 영향
이우열 ( Woo Yeol Lee ),윤일지 ( Il Ji Yun ) 한방재활의학과학회 2008 한방재활의학과학회지 Vol.18 No.3
Objectives : In oreder to investigate the effects of Soongijeseub-bang(Shunqichushi-fang)(here in after referred to SJB) on the obese gene and obese inhibitory, on C57BL/6 mice were induced by high fat diet. Methods : C57BL/6 mice were divided into three groups(normal, high fat diet with control, high fat diet with SJB extract) and fed for 15 weeks. And observed that, body weight change, final increase of body weight, the weight change of the adipocytes, the level change of ALT, AST, creatinine, total cholesterol, LDL-cholesterol, HDL-cholesterol, triglyceride, NEFA, glucose, the expression of β3AR, leptin, and TNF-α gene in primary adipocytes and adipocytes tissue. Results : The following results were obtained in this study. 1. SJB 500 ㎎/㎏ extract group showed considerable decrease in weight, the final increase of weight and the amount of adipocyte in weight. 2. All experimental group showed that the amount of ALT, AST, total cholesterol, LDL-cholesterol, triglyceride and NEFA were decreased considerably. SJB 500 ㎎/㎏ extract group showed the amount of HDL-cholesterol and leptin were increased considerably. 3. All experimental group showed that the revelation of β3AR in primary adipose cell and 3T3-L1 cell were increased considerably, and that the revelation of leptin in primary adipose cell and 3T3-L1 cell were decreased considerably. SJB 100 ㎕/㎖ extract group showed that the revelation of TNF-α were decreased considerably. 4. SJB 500 ㎎/㎏ extract group showed that the size of adipocyte in adipocytes tissue were decreased. 5. All experimental group showed that the adipose vacuoles in liver tissue were decreased considerably. Conclusions : Comparison of the results for this study showed that SJB is effective on obesity care and has obese-inhibitory effects in obese mouse induced by high fat diet. So it is respected that the clinical application of SJB can help the treatment of obesity.
관절3호방이 인간 섬유아세포양 활막세포조직에 미치는 연구
김현수 ( Hyun Soo Kim ),윤일지 ( Il Ji Yun ),허동석 ( Dong Seok Huh ),오민석 ( Min Seok Oh ) 한방재활의학과학회 2007 한방재활의학과학회지 Vol.17 No.2
Objectives : Gwanjul-bang(Guanjie-fang)-3 (GJB-3) is a prescription used clinically to treat rheumatoid arthritis. The purpose of this study is to investigate the immunity responses of GJB-3 to the human fibroblast-like synoviocytes isolated from patients with rheumatoid arthritis. Methods : Experimental groups were divided into 6 groups ; The hFLS were stimulated with hrTNF-α(100 ng/ml) and hrIL-1β(10 U/ml). Afterwards, They were treated with medium (CT), methotrexate (10㎍/ml, MTX) and GJB-3 (1, 10, 100㎍/ml) for 6 hours. The cells were harvested following the further incubation with [3H]-thymidine reagent for 4 hours. The WT group was cultured without cytokine stimulation. Results : 1. The proliferation of hFLSs was significantly reduced in 100㎍/ml dose. 2. The mRNA expression of TNF-α and the production of ROS was dose-dependently reduced in hFLS. 3. The mRNA expression of IL-1β, IL-6, IL-8, ICAM-1, NOS-Ⅱ, MMP-3 were reduced in high concentration. 4. The production of NO was significantly reduced in over 10㎍/ml dose. 5. The mRNA expression of TIMP-1 was dose-dependently increased. Conclusions : We found out that GJB-3 is considered to be effective in treating rheumatoid arthritis.
김태경(Tae-Kyoung Kim),윤일지(IL-Ji YUN),장권수(Kwon-Soo Chang),이용현(Yong-Hyun Lee),서광민(Kwang-Min Seo),이준호(Jun-Ho Lee),최승준(Seung-Jun Choi),설혁수(Hyuk-Soo Sul),엄재혁(Jae-hyeok Eom),김창은(Chang_Eun Kim) 한국조명·전기설비학회 2021 한국조명·전기설비학회 학술대회논문집 Vol.2021 No.11
In general, a ventilation system is a system that cleans the air by removing dust, germs, and odors in the air. According to the operation of the air supply fan for air circulation, dust and odors contained in the indoor air or outdoor air that are sucked in are removed from a plurality of filters. The air is purified while passing through and the purified air is discharged back into the room to purify the indoor air. In the filter provided inside the duct of the ventilation system, as time passes, contaminants such as dust accumulate, and eventually the filter is clogged. We would like to review the research results.