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마황산(麻黃散) 및 그 구성약물(構成藥物)이 GUINEAPIG의 기관지(氣管支) 평활근(平滑筋)에 미치는 영향(影響)
홍재의,신조영,Hong, Jae-Eui,Shin, Jo-Young 대한한방내과학회 1991 大韓韓方內科學會誌 Vol.12 No.2
Mahwangsan is used in the treatment of asthma due to wind and cold(風寒喘). This study was carried out to investigate the effect of Mahwangsan extract and each drug composing it on the contractile force of the isolated guinea pig trachea muscle and elucidate its mechanism. The results were obtained as follows; 1. The isolated trachea smooth muscle of guinea pig was signifi-cantly relaxed by the administration of Mahwangsan extract. 2. The contractile response of the isolated trachea smooth muscle of guinea pig to histamine was significantly inhibited by the administration of Mahwangsan extract. 3. The contractile response of the isolated trachea smooth muscle of guinea pig to histamine was significantly inhibited by the administraction of Herba Ephedrae, Cortex Cinnamoni, Flos Farfarae, Fructus Chebulae and Semen Armeniacae extract. 4. The contractile response of the isolated trachea smooth muscle of guinea pig to acetylcholine was significantly inhibited by the administration of Mahwangsan extract. 5. The contractile response of the isolated trachea smooth muscle of guinea pig to acetylcholine was significantly inhibited by the administration of Herba Ephedrae, Flos Farfarae, Fructus Chebulae and Semen Armeniacae extract. 6. The contractile response of the isolated trachea smooth muscle of guinea pig to 5-hydroxytryptamine was significantly inhibited by the administration of Mahwangsan extract. 7. The contractile response of the isolated trachea smooth muscle of guinea pig to 5-hydroxytryptamine was significantly inhibited by the administration of Herba Ephedrae, Flos Farfarae, Fructus Chebulae and Semen Armeniacae extract.
김재의(Jae-Yui Kim),차경수(Kyoung-Soo Cha),박민로(Min-Ro Park),임명섭(Myung-Seop Lim),홍정표(Jung-Pyo Hong) 한국자동차공학회 2016 한국자동차공학회 학술대회 및 전시회 Vol.2016 No.11
Recently, an interior permanent magnet synchronous motor (IPMSM) which has high power density and efficiency has been attracting attention for electric vehicle (EV) traction motor. Also motor design for smaller size and higher rotating speed is latest trend because it can make more space. But in high rotating speed, an induced voltage can exceed the DC link voltage. In that case, it can be difficult to control the motor and makes lower torque due to lack of voltage. In this paper, an improvement design for initial model of EV traction motor is conducted to reduce induced voltage value through shape change. In case of stator, various shape of chamfers are applied and in case of rotor, an eccentricity is applied. For each case, 2-D FEM is used for verification for value of an average torque at base rpm and a maximum induced voltage at maximum rpm. Finally, an improvement model is designed which has an induced voltage that does not exceed the DC link voltage.
폐암세포주(肺癌細胞株) H460에 대(對)한 보중익기탕(補中益氣湯)의 세포고사효과(細胞枯死效果) 및 기전연구(機轉硏究)
이승언,홍재의,이시형,신조영,노승석,Lee, Seung-Eon,Hong, Jae-Eui,Lee, Si-Hyeong,Shin, Jo-Young,Ro, Seung-Seok 대한한방내과학회 2004 大韓韓方內科學會誌 Vol.25 No.4
Objectives : This study was designed to evaluate the effect on cytotoxicity of Bojungikki-tang(BIT) in human lung cancer H460 cells. Methods : BIT-induced cell death was confirmed as apoptosis characterized by chromatin condensation and increase of the $sub-G_1$, DNA content. It was tested whether the water extract of BIT affects the cell cycle regulators such as, p2l/Cipl, p27/Kipl, cyclin $B_1$. Results : The data showed that treatment of BIT decreased the viability of H460 cells in a dose-dependent manner. p2l/Cip1 is gradually decreased by the addition of the cells with BIT extract. Interestingly, p27/Kip1 is not detected for 24 hr after the addition of BIT extract, however, after 24 hr, p27/Kipl markedly increased. In addition, cyclin $B_1$, decreased in a time dependent manner after the addition of the water extract. The activation of caspase -3 protease was further confirmed by degradation of procaspase-8 protease andpoly(ADP-ribose) polymerase(P ARP) by BIT in H460 cells. Moreover, BIT induced the increase of Bak expression. Conclusion : These results suggest that the extract of BIT exerts anticancer effects to induce the death of human lung cancer H460 cells via down regulation of cell cycle regulators such as p2l/Cip1, and cyclin B1 or up regulation of cell cycle regulators such as p27/Kip1. Moerover results suggest that BIT induces an apoptosis in H460 cells via activation of intrinsic caspase cascades.
삼소음(蔘蘇飮)이 백서(白鼠)의 국소뇌혈류량(局所腦血流量)과 혈압(血壓)에 미치는 영향(影響)
박병민,홍재의,고영철,신조영,이시형,Park, Byong-Min,Hong, Jae-Eui,Ko, Young-Chul,Shin, Jo-Young,Lee, Si-Hyeong 대한한방내과학회 2002 大韓韓方內科學會誌 Vol.23 No.1
Objective : The objective of this study is to measure the changes of regional cerebral blood flow(rCBF) and blood pressure(BP) in rats with the following injection. Methods : The measurement was continually monitored by laser-doppler flowmeter-Transonic Instrument, USA- and pressure tranducer(Grass, USA) in anesthetized adult Sprague-Dawley rats about for two hour to two hour and a half hours through the data acquisition system composed of Maclab and Macintosh computer. Result : This experiment with Samso-eum increased the changes of rCBF in rats, significantly, but did not change the blood pressure. The rCBF of Samso-eum decreased by pretreated propranolol, and was not changed by pretreated L-NNA and ODQ. Conclusion : It is considered that the dosage-dependent increase on rCBF is mediated by adrenegic ${\beta}$-receptor.
瀉白散의 肥滿細胞 嫫介性 炎症性 細胞活性物質 分泌 抑制 效果
이병주,신조영,이시형,홍재의,박병민,이승언 한국전통의학연구소 2003 한국전통의학지 Vol.13 No.1
Ocjective : Sabaeksan has been used for the purpose of prevention and treatment of bronchial asthma and allergic asthma in korea. Methods : To investigate the biological effect of Sabaeksan, the author examined cytotoxicity and inflammatory cytokines secretion with human leukemic mast cell line, HMC-1. HMC-1 was stimulated with phorbol 12-myristate 13-acetate (PMA) and calcium ionophore A23187. Sabaeksan by itself had no effect on viability of HMC-1. Result : The effects of Sabaeksan on the secretion of tumor necrosis factor-alpha (TNF-α) and interleukin (IL)-6 from HMC-1 were evaluated with enzyme-linked immunosorbent assay. Sabaeksan (1 mg/㎖) inhibited PMA plus A23187-stimulated TNF-α and IL-6 secretion, by 43.86 ± 5.26%, 56.39 ± 3.65%, respectively. Sabaeksan also inhibited the NF-κB (p50/p65) expression. Conclusion : Taken together, these results suggest that Sabaeksan inhibit the production of inflammatory cytokines in HMC-1 cells through blockade of NF-κB activation.
Cogging Torque Reduction Design for CVVT Using Response Surface Methodology
Jae-Yui Kim(김재의),Dong-min Kim(김동민),Soo-Hwan Park(박수환),Jung-Pyo Hong(홍정표) 대한전기학회 2016 전기학회논문지 Vol.65 No.12
This paper deals with the design process for an outer-rotor-type surface-mounted permanent magnet synchronous motor (SPMSM) used in continuous variable valve timing (CVVT) systems in automobiles with internal combustion engines. When the same size, outer-rotor-type SPMSMs generate larger torque and more stable than inner-rotor-type SPMSMs. For the initial design, space harmonic analysis (SHA) is used. In order to minimize the cogging torque, an optimization was conducted using Response Surface Methodology (RSM). At the end of the paper, Finite Element Analysis (FEA) is performed to verify the performance of the optimum model.
이병주,신조영,이시형,홍재의,박병민,이승언 한국전통의학연구소 2003 한국전통의학지 Vol.13 No.1
Ocjective : Sabaeksan has been used for the purpose of prevention and treatment of bronchial asthma and allergic asthma in korea. Methods : To investigate the biological effect of Sabaeksan, the author examined cytotoxicity and inflammatory cytokines secretion with human leukemic mast cell line, HMC-1. HMC-1 was stimulated with phorbol 12-myristate 13-acetate (PMA) and calcium ionophore A23187. Sabaeksan by itself had no effect on viability of HMC-1. Result : The effects of Sabaeksan on the secretion of tumor necrosis factor-alpha (TNF- α) and interleukin (IL)-6 from HMC-1 were evaluated with enzyme-linked immunosorbent assay. Sabaeksan (1 ㎎/㎖) inhibited PMA plus A23187-stimulated TNF-α and IL-6 secretion, by 43.86 ± 5.26%, 56.39 ± 3.65%, respectively. Sabaeksan also inhibited the NF-κB (p50/p65) expression. Conclusion : Taken together, these results suggest that Sabaeksan inhibit the production of inflammatory cytokines in HMC-1 cells through blockade of NF-κB activation.
박종현(Jong-Hyun Park),김재의(Jae-Yui Kim),김동민(Dong-Min Kim),홍정표(Jung-Pyo Hong) 한국자동차공학회 2016 한국자동차공학회 부문종합 학술대회 Vol.2016 No.5
This paper deals with design precess about an outer rotor type surface mounted permanent magnet synchronous motor (SPMSM) used in continuous variable valve timing (CVVT) system in internal combustion engine automobiles. Outer rotor type SPMSM generate large torque and adequate at high rotation speed. For initial design, space harmonic analysis (SHA) is used. In order to minimize cogging torque, optimization was conducted through response surface methodology (RSM). In the end of paper, a finite element analysis (FEA) is performed to verify the performance of the optimum model.