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Who goes to University? : Expansion of higher education and class differentials in educational aspiration in South Korea
HYEYUN JEONG 한국교육사회학회 한국교육사회학회 학술대회자료집 39 Pages
한국교육사회학회 한국교육사회학회 학술대회자료집 2019 춘계학술대회 4 72-110 (39 pages)
tertiary education the actual choices that students and their parents make in regard to educational options on the basis of their socioeconomic background when holding the academic achievement constant. Using Korean Educational Longitudinal Survey (KELS 2005), this research demonstrates that educational expansion does not necessarily correspond to greater equality of educational opportunity... of their socioeconomic background when holding the academic achievement constant. Using Korean Educational Longitudinal Survey (KELS 2005), this research demonstrates that educational expansion does not necessarily correspond to greater equality of educational opportunity regardless of social origin in South Korea. This empirical examination indicates that educational mechanism still reproduces the class differentials in educational attainment through both primary and secondary effects. Students... -
Cytotoxicity of zinc oxide nanoparticles attributes glutathione depletion and activation of lipoxygenase in C6 glioma cells
Jae Hyun Kim, Myung Bok Wie 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 261 351-352 (2 pages)
expansion and proliferation. Immortalized cells (cMSC.I) had a doubling time of approx. 29 hours, expressed SOX2, NANOG along with SV40-T gene. CMSC.I were also CD90+ and CD45- which is characteristic of MSC. Conclusions: By establishing cMSC.I cell line, it makes it more accessible to st udy the immunomodulatory characteristics of this species, especially since the use of MSC in veterinary... -
Comparison of the effects of isoflurane versus propofolremifentanil anesthesia on oxygen delivery during thoracoscopic lung lobectomy with one-lung ventilation in dogs
Jiyoung Park, Hae-Beom Lee, Seong Mok Jeong 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 12 426-433 (8 pages)
IV) and infused for maintenance (up to 0.6 mg/kg/min constant rate infusion [CRI] and 6g/kg/h CRI) after endotracheal intubation. Rates of inhalation and infusion were controlled in response to patient monitoring parameters and recorded. Meloxicam (Metacam, 0.2 mg/kg IV; Boehringer Ingelheim Vetmedica, Germany) was administered immediately prior to anesthetic induction, and pure oxygen (FiO... This study compared effects of isoflurane inhalation (ISO) and propofol-remifentanil combined total intravenous anesthesia (TIVA) on oxygenation during thoracoscopic lung lobectomy with 30-min one-lung ventilation (1LV). Thoracoscopic right middle lung lobectomy was performed in ten dogs divided into ISO and TIVA groups, and cardiopulmonary parameters were measured with blood gas analysis. Throughout the study, isoflurane was inhaled up to 1.5%, and the infusion rates of propofol and... -
Modeling of Arrhythmogenic Automaticity Induced by Stretch in Rat Atrial Myocytes
JaeBoumYoum, ChaeHunLeem, YinHuaZhang, NariKim, JinHan, YungE.Earm 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.5 8 267-274 (8 pages)
μ: rate constant of block, ms 1 λ: rate constant of unblock, ms 1 Depolarization-activated outward channel: IK,out: depolarization-activated outward K ＋ current, pA IK,fast: fast component of depolarization-activated outward K ＋ current, pA IK,slow: slow component of depolarization-activated outward K ＋ current, pA m, h: activation and inactivation gate, respectively α m and βm: opening and... Since first discovered in chick skeletal muscles, stretch-activated channels (SACs) have been proposed as a probable mechano-transducer of the mechanical stimulus at the cellular level. Channel properties have been studied in both the single-channel and the whole-cell level. There is growing evidence to indicate that major stretch-induced changes in electrical activity are mediated by activation of these channels. We aimed to investigate the mechanism of stretch-induced automaticity by... -
Postnatal Changes in Atrial Compliance and Stretch-Induced ANP Secretion in Rabbits
SuhnHeeKim, KyungSunLee, SungZooKim, KyungHwanSeul, KyungWooCho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.5 8 393-401 (9 pages)
& Winer， 1988; Kojima et a1， 1989; Cheung， 1994). The in crease in plasma ANP concentration after volume expansion (Robillard & Winer， 1988)， as well as close correlations between ANP concentration and cardio thoracic ratio (Kojima et al， 1989)， atrial size (Fe sonen et al， 1990) and ductal fow (Fesonen et al， 1990) also indicate that atrial stretch is an important stimu1us for... To define the postnatal changes in ANP secretion in response to mechanical stretch and atrial compliance, experiments have been done in perfused nonbeating rabbit atria with different ages: 1-day, 1-, 2-, 3-, 4-, and 8-wk-old. In 1-day-old-rabbits, an increase in intraatrial pressure resulted in an increase in atrial volume, which was higher than that in 1-wk-old rabbits. Increases in atrial volume stimulated the secretion of ANP with concomitant translocation of extracellular fluid (ECF) into... -
신성 고혈압쥐의 전신성 동맥계와 폐동맥계에 대한 EDRF 기능의 차이
이병호(Byung-Ho Lee), 신화섭(Hwa-Sup Shin), 허인회(In-Hoe Huh) 대한약리학회 대한약리학잡지 12 Pages
대한약리학회 대한약리학잡지 1993, 제 29권 제 2호 7 213-224 (12 pages)
hypertensive process the aorta undergoes many histological abnormalities including swelling of endothelial cell, thickening of endothelial cell, in- crease in intimal permeability, and expansion of subendothelial space, the findings that vary among types of hypertension (Gabbiani et al., 1979; Haudenschild et al., 1980). These morpholog- ical changes in vascular structure,... 급성 신성 고혈압쥐 (2-kidney, 1-ligation type)의 전신성 동맥계와 폐 동맥계에 대한 내피 의존적 혈관반응성을 규명하기 위하여, 적출 혈관 및 마취상태의 흰쥐에 대한 acetylcholine (ACh)의 혈관이완작용 및 혈압강하 작용을 측정하였다. 혈장 renin 활성(PRA)은 신동맥 결찰전 7.31 ± 0.63 ng/ml/hr A I에 비해 결찰 6 ~ 8일후에는 19 ~ 22 ng/ml/hr A I으로 유의성있게 증가하였으며, 이는 수축기혈압의 상승과 (154 ± 1.83{\rightarrow}190 ~ 215 mmHg) 일정한 상관성을 유지하였다. 신성 고혈압쥐 및 정상 혈압쥐의 흉곽... -
Effects of High Glucose on Na,K-ATPase and Na/glucose Cotransporter Activity in Primary Rabbit Kidney Proximal Tubule Cells
Han, Ho-Jae 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1995, 제 29권 제 1호 7 69-80 (12 pages)
that this increased sodium concentration in the tubular cells may accelerate water absorption which in turn could contribute to volume expansion, hyperten- sion, and renal hypertrophy. To maintain sodium balance in the face of glomerular hyperfiltration and osmotic diuresis all tubular segments exhibited high Na,K-ATPase and therefore more energy had to be spent to fuel the Na pumps (Lynch... in 5 mM glucose medium. Rb+ uptake rate in 5 mM glucose medium was reduced by 28% when the cultures were incubated with 1 mM ouabain. The increase of the Rb+ uptake by rabbit kidney proximal tubule cells in 20 mM glucose could be attributed primarily to an increase in the rate of ouabain-sensitive Rb+ uptake (5 mM to 20 mM; 4.68±0.85 to 8.38±1.37 nM/mg protein/min). In conclusion, the activity of the renal proximal tubular Na,K-ATPase is elevated in high glucose concentration. In contrast, the... -
Role of Endogenous Nitric Oxide in the Control of Renin Release
Lee, Je-Jung, Kim, Dong-Ho, Kim, Young-Jae, Kim, Won-Jae, Yoo, Kwang-Jay, Choi, Ki-Chul, Lee, Jong-Eun, 대한생리학회 대한생리학회지 8 Pages
대한생리학회 대한생리학회지 1994, 제 28권 제 2호 13 225-232 (8 pages)
to a blockade of NO synthesis was examined using in vitro preparations from the isolated renal cortex. METHODS Acute volume expansion Male Sprague-Dawley rats (220-260 g) were anesthetized with thiopental (50 mg/kg, IP). The right femoral artery was cannulated- to measure arterial blo9d pressure and the vein to serve as an infusion route. A 30 to 60-min e9uilibration... The present study was undertaken to investigate the role of endogenous nitric oxide in renin release under different physiological conditions. In the first series of experiments, renin release was either inhibited by acute volume-expansion (VE) or stimulated by clipping one renal artery in the rat. VE was induced by intravenous infusion of saline (0.9% NaCl) up to 5% of the body weight over 45 min under thiopental (50 mg/kg, IP) anesthesia. VE caused a decrease of plasma renin concentration... -
Contribution of Bulk Flow to Transport Mechanisms of the Membranes Surrounding Amniotic Fluid in the Rabbit
Lim, Young-Cheol, Lee, Sang-Jin, Sung, Ho-Kyung 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1994, 제 28권 제 1호 8 79-90 (12 pages)
individual variation in · hypotonic cases. That ..PAGE:11 -Role of Bulk Flow in Amniotic Transport Mechanisms- 89 is, the rate of Na+ disappearance or (CR-Na) /CR was much lower than in isotonic cases. The same principle could be applied to Li+, other than that, after expansion of pores was enough to permit Na+ to pl)ss through the membrane, there would be tnflux of Na+, because it is a... were much higher in hypotonic amniotic fluid than in isotonic. 3. In hypervolumetric and increased Censored group, the rate of Na+ efflux increased proportionately with the increment of Censored concentration up to 0.98, which was higher than the rate of Li+ efflux in isotonic amniotic fluid. However, the increment of Na+ concentration was rather related with the initial Na+ concentration in hypotonic amniotic fluid, showing inverse relationship. Li+ concentration increased only when there was a... -
Myogenic Autoregulation of Coronary Vessels and Heterometric Autoregulation of the Myocardium
Doring, H.J., Schlicht, I., Hiller, V., Jiang, X.R. 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1989, 제 23권 제 2호 1 225-236 (12 pages)
intracoronary pressure increase induces the myogenic autoregulation of the smooth vasculature known as the BAYLISS effect. Following the pressure increase, there is an initial pressure- passive expansion of the vessel immediately followed by a reactive vasoconstriction. An abrupt pressure decrease produces the opposite effects. In place of a single pressure step a series of small steps of... 1) At the isolated perfused guinea-pig and rat heart heterometric autoregulation of the myocardium and myogenic autoregulation of the coronary vessels were induced by means of stepwise increases of perfusion pressure. 2) According to this loading test Frank-Starling function curves of the left ventricle and pressure-flow curves of the coronary vessels can be drawn. This graphic evaluation gives more information about the condition of the heart and the coronary vessels than simple evaluation...