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전방깊이 및 전방각 측정에서 앉은 자세로 촬영된 초음파생체현미경의 유용성
김태기,문성운,양지호,진경현,Tae Gi Kim,Sung Woon Moon,Ji Ho Yang,Kyung Hyun Jin 대한안과학회 2014 대한안과학회지 Vol.55 No.7
<b>Purpose:</b> We compared the measurements of anterior chamber depth (ACD) and anterior chamber angle (ACA) using ultrasound biomicroscopy (UBM) in the sitting position compared with IOL Master<sup>Ⓡ, Pentacam<sup>Ⓡ, and Spectralis optical coherence tomography (OCT) to evaluate the clinical usefulness of UBM in the sitting position. <b>Methods</b>: We evaluated 92 eyes in 47 healthy adults. ACD was measured by IOL Master<sup>Ⓡ, Pentacam<sup>Ⓡ, and UBM. ACA was measured using Pentacam<sup>Ⓡ, UBM, and Spectralis OCT. UBM was performed in the sitting position using bag/balloon technology. Measured values were compared statistically. <b>Results</b>: ACD measured by IOL Master<sup>Ⓡ, Pentacam<sup>Ⓡ, and UBM was 3.57 ± 0.32 μm, 3.64 ± 0.33 μm and 3.51 ± 0.32 μm, respectively. UBM measurements of ACD were significantly shallower than with the other methods (<em>p</em> < 0.001). The results among the 3 methods were strongly correlated (<em>r</em> > 0.8, <em>p</em> < 0.05 in all groups). Mean ACA of 4 directions was not significantly different among the 3 methods (<em>p</em> > 0.05). There was strong correlation between UBM and Spectralis OCT (<em>r</em> = 0.957) but moderate correlation between Pentacam<sup>Ⓡ and UBM and Pentacam<sup>Ⓡ and Spectralis OCT (<em>r </em>= 0.557, 0.571, respectively, <em>p</em> < 0.05). Specifically, ACA of the superior quadrant showed a low correlation between Pentacam<sup>Ⓡ and UBM and Pentacam<sup>Ⓡ and Spectralis OCT (<em>r</em> = 0.257, 0.295, respectively). <b>Conclusions:</b> ACD measured by UBM in the sitting position was shallower compared to the other methods; however, ACD measured by IOL Master<sup>Ⓡ, Pentacam<sup>Ⓡ, and UBM showed significant correlations among the methods. The mean ACA measured by Pentacam<sup>Ⓡ, UBM, and Spectralis OCT showed no significant differences. Due to the high correlation of ACA measurements between UBM and Spectralis OCT in the present study, UBM is expected to be a good tool for measuring anterior segment parameters. J Korean Ophthalmol Soc 2014;55(7):1007-1016
시호사물탕이 t-BHP로 유도된 간세포의 산화적 손상 및 자유기에 의한 지질과산화 반응에 미치는 영향
김태기,박선동,문진영,Kim Tae-Gi,Park Sun-Dong,Moon Jin-Young 대한한의학방제학회 2000 大韓韓醫學方劑學會誌 Vol.8 No.1
Sihosamultang(SST) has been used for the treatment of puerperal fever, liver disease in traditional medicine. The present study was carried out to evaluate the antioxidant effects of SST extract in vitro. The inhibitory effect of SST extract on lipid peroxidant was examined in the linoleic acid autoxidation system. In this test, SST extract significantly inhibited the time course of the lipid peroxidation. And SST extract showed about 73% scavenging effect on DPPH radical. And this extract inhibited not only the lipid peroxide formation induced by hydroxyl radical derived from $ H_{2}O_{2}-Fe^{2+}$ in the rat liver homogenate, but also the superoxide generation from xanthine-xanthine oxidase system in a dose-dependent manner. In addition, SST extract protected the hepatic cell death induced by tert-butyl hydroperoxide. These data indicated that SST might play a protective role against oxidative injury by free radicals.
국가간 상대적 경제규모가 무역량과 산업내무역에 미치는 영향 ; 시계열과 횡단면 분석 ( 경제학문헌목록 주제분류 : F1 )
김태기,장선미 ( Tae Gi Kim,Sun Mee Chang ) 한국경제학회 1998 經濟學硏究 Vol.46 No.3
본 논문은 이론모형을 통해 국가간 경제규모와 요소부존도의 차이가 무역량과 산업내무역 에 미치는 영향을 도출하고, 이를 1970-1994 기간에 걸친 세계 82개국의 소득통계와 무역통 계를 이용하여 실증적으로 검증하고 있다. 이론모형에 의하면, 국가간 경제규모의 유사성이 클수록 총무역량과 산업내무역지수는 증가하고, 또 국가간 요소부존도의 차이가 클수록 산업내무역은 감소하고, 총무역량은 약하지만 증가한다. 시계열 상관분석과 횡단면 회귀분석의 결과는 두 국가간의 경제규모의 차이와 요소부존도의 차이에 의해 무역량과 산업내무역이 결정 된다는 이론모형의 가설이 타당함을 보여준다.
김태기 ( Taigi Kim ) 한국질서경제학회 2020 질서경제저널 Vol.23 No.1
본 논문은 1987년 민주화운동으로 형성된 87 노사관계체제의 특징과 문제점을 게임이론과 자본주의 다양성 이론 관점에서 국제비교연구를 활용해 분석한다. 87 노사관계체제는 경제민주화에 힘입어 노동기본권을 확대했지만, 대기업 중심의 전투적 노동운동에 눌리고 법 만능주의에 빠져 노사정의 신뢰 축적에 실패했고, 노동시장 이중구조와 중산층의 붕괴를 일으켰다. 87 노사관계체제는 노동시장의 경직화와 노동계중심의 노동 정치로 특징 지워지고, 이는 기술, 경제, 인구변화 등에 대한 인식과 대응능력을 떨어뜨렸지만, 정책 협상 무대를 기울어지게 만들어 중소기업과 비정규직 근로자의 취약성을 키웠다. 개방경제의 특성상 고용보호법 강화와 이에 의존한 고용안정성은 경제와 제도의 비대칭을 키울 수밖에 없기에 87 노사관계체제는 유지하기 어렵다. 고용이 유연하면서도 안정된 노사관계체제로 전환하려면 정부의 역할부터 바꾸어 노사자치주의 확립과 분권화를 통해 노사정의 신뢰 기반을 강화하고, 노동법 중심에서 벗어나 노동시장 정책 중심으로 노동 개혁을 해야 한다. 정부는 민주주의 원리에 따라 절대다수인 취약 근로자의 이익을 대변해 정책 협상 무대를 평평하게 만들고, 헌법정신에 따라 개인과 기업이 자유와 창의를 발휘하고, 노동조합도 사회적 책임을 다하도록 노사관계체제를 재편해야 한다. This paper investigates the features and problems of the 87 labor relation regime shaped by the democratic movement in 1987 in Korea applying both game theory and variety of capitalism theory and using literature on labor relations. It shows that even though the regime has expanded labor basic labor right due to economic democracy, it has made contradiction as labor market has become dual and middle class has shrunk. It has been led by the militant labor movement of monopolistic large enterprises workers so as to prevent tripartite parties from shaping trust and cooperation and rather put them in legalistic conflict. It is characterized by labor market rigidity as well as labor politics which has lowered consciousness of and responsiveness to technology changes, globalization and ageing, which has made policy arena skewed against small and medium enterprises and irregular workers. It is hard to be sustained as it does not match open economy in that fortified employment protection laws have raised gap between economic environment and institutions. In order to make the 87 labor relation regime replaced with new one with both flexible and stable employment, the government should change its existing roles toward expanding autonomy and decentralization and put emphasis on the reform of labor market policies rather than that of labor laws. It should make policy bargaining arena flat for the regime to work for the majority of workers as the principle of democracy and change labor laws for labor and management to build up trust and cooperation as well as for labor unions to be balanced with right and social responsibility as the Korea Constitution demands.