• The Korean Journal of Pharmacology
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• v.9 no.2
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• pp.17-27
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• 1973

Modifying the technique described by Schmidt, et al. (1972) the duodenum and stomach of female rats were perfused separately and contiunously with saline solution under urethane anesthesia. Secretory response of caerulein (Prof. V. Erspamer, F.I. 6934 Caerulein, Farmitalia, Italia), a gastrin or CCK-PZ like peptide, on acid, pepsin, bicarbonate and amylase were studied with and without simultaneous administration of secretin, CCK-PZ or other agents known secretory suppressives. A significant increase of acid, pepsin and amylase output was induced by intravenous infusion of caerulein. The response of acid secretion by caerulein in doses of 140 ng/100g/hr was equivalent to the response of histamine in the doses of $280\;{\mu}g/100g/hr$ and on a weight basis the potency of caerulein was approximately 2,000 times greater than histamine in rats. Acid secretory response of caerulein in the doses of 140 ng/100 g/hr was inhibited by simultaneous infusion of secretin in the doses of 0.2 u/ 100 g/hr, and the acid response was partly inhibited by concomitant infusion of histamine in the doses of $280\;{\mu}g/100g/hr$, but the response was enhanced by infusion of CCK-PZ in the doses of 0.2 u/100 g/hr. The secretory response of both aicd and enzymes were inhibited following administration of atropine in doses of 0.2 mg/100 g, but the response were not affected by hexamethonium in doses of 0.5 mg/100 g. In summary, it is concluded that caerolein is every effective in an increase of acid, pepsin and amylase secretion in rats through, possibly in part, the muscarinic and/or histaminic mechanism(s).

• Journal of the Korean Society of Costume
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• v.59 no.1
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• pp.14-28
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• 2009

Exoticism, by definition, is 'the charm of the unfamiliar', usually because of associations with a distant country. In the western-centric world, exoticism implies non-western or oriental style. The purpose of this study was to identify Koreans' perception of "Exoticism", and to compare the perception of exotic fashion image according to gender and education differences. Empirical study was composed of two parts focusing on gender and education effects respectively. For the first part, data were collected by self-administered questionnaires distributed to 280 respondents at 2 universities and 2 high schools during August and September 2005. The sample was consisted of 140 male and 140 female. A measurement, including 24 image adjectives to evaluate 16 fashion stimuli, was developed. Data were analyzed by descriptive statistics, correlations, t-test, and MDS. There was no difference in the perception of exotic fashion image according to gender. Both gender groups perceived exotic image as western image and non-exotic image as oriental image. Thus it could be said that Koreans perceive western-based fashion as foreign and exotic. This finding implies the relativity of "Exoticism." In the second part, the measurement and the analysis methods were the same with the first part. The respondents were consisted of 70 fashion majored female students and 70 non-fashion majored female students. There was considerable difference between fashion and non-fashion major groups in their perception of exotic fashion image. Whereas non-fashion major group perceived exotic image as western image and non-exotic image as oriental image, fashion major group perceived exotic image as both western and oriental image. This result suggested that fashion major group have western-centered conception as well as general perception character of Korean.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 1992.11a
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• pp.136-140
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• 1992

The purpose of this research is to develop the lithium secondary battery. This paper describes the preparation, electrochemical properties of nontstoichiometric(NS)-$V_6O_{13}$ and characteristics of Li/$V_6O_{13}$ secondary battery. NS-$V_6O_{13}$ was prepared by thermal decomposition of $NH_4VO_3$ under Ar stream of 140ml/min~180ml/min flow rate. And then, this NS-$V_6O_{13}$ was used for cathode active material. Cathode sheet was prepared by compressing the composite of NS-$V_6O_{13}$, acetylene black(A.B) and teflon emulsion (T.E). Characteristics of the test cell are summarised as follows. Oxidation capacity of NS-$V_6O_{13}$ was about 20% less than its reduction capacity. A part of NS-$V_6O_{13}$ cathode active material showed irreversible reaction in early charge-discharge cycle. This phenomena seems to be caused by irreversible incoporation/discoporation of lithium cation to/from NS-$V_6O_{13}$ host. Discharge characteristics curve of Li/$V_6O_{13}$ cell showed 4 potential plateaus. Charge-discharge capacity was declined in the beginning of cycling and slowly increased in company with increasing of coulombic efficiency. Energy density per weight of $V_6O_{13}$ cathode material was as high as 522Wh/kg~765Wh/kg.

• Polymer(Korea)
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• v.30 no.1
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• pp.70-74
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• 2006

Plasticized cellulose diacetate(CDA) was prepared by homogenizing cellulose diacetate(CDA), triacetin(TA) and epoxidized soybean oil (ESO) in a high-speed mixer, then the CDA mixture was mixed with ramie fiber to produce a green composite material. In DMA analysis, the glass transition temperature of plasticized CDA and the composite was observed at $85\;^{\circ}C\;and\;140\;^{\circ}C$, respectively. A composite reinforced with alkali treated ramie fiber exhibited significantly higher mechanical properties, such as $15\;^{\circ}C$ increase in tensile strength as well as $41\;^{\circ}C$ increase in Young's modulus when compared with commercial polypropylene. In the SEM image analysis, much enhanced adhesion between plasticized CDA and alkali treated ramie fiber (AIRa) was observed.

• KOREAN JOURNAL OF CROP SCIENCE
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• v.43 no.3
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• pp.194-198
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• 1998

An experiment was carried out to find out the priming effects of rice seeds, Oryza sativa L. (cv. Ilpumbyeo) on. the seedling establishment and early emergence under excess soil moisture conditions. Seeds were primed by soaking in -0.6 MPa polyethylene glycol (PEG) solution at $25^{\circ}C$ for 4 days. The primed seeds were sown in soils with various soil moistures (60, 80, 100, 120, and 140% field capacity) at 17 and $25^{\circ}C$, respectively. Germination and emergence rates, plumule height, and radicle length of primed seeds were higher than those of untreated seeds at any soil moisture and temperature examined. The time from planting to 50% germination ($T_{50}$) of primed seeds was less than that of untreated seeds by 0.9～3.7 days. Germination rate, emergence rate, plumule height, and radicle length were highest at the soil moisture of 80% field capacity among the soil moistures. Priming effects of rice seeds on germination and emergence rates were more prominent under the unfavorable soil moistures (60, 100, 120, and 140% field capacity) than those under the optimum soil moisture condition (80% field capacity). However, priming effects on seedling growth were greater at near optimum soil moisture compared with too lower or higher soil moistures. Therefore, these findings suggest that priming of rice seeds may be a useful way for better seedling establishment under the adverse soil conditions.

• Journal of Veterinary Clinics
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• v.19 no.1
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• pp.92-94
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• 2002

A male harbor seal (Phoca bitulina) about 10 years of age died. The seal was presented for necropsy in the Veterinary Teaching Hospital, Chungbuk National University in August 2001. The seal had been a concrete pool in zoo for 4 years. The exact duration of captivity was unknown. The carcass was weighed about 90 kg and was about 140 cm length. At necropsy, 2 adult filarioid worms were found in the right and left ventricles. The filaroid worms weren't found in the other organs. The parasites were slender white nematodes. A male nematode in the right ventricle was 14 cm long, and a female nematode in the left ventricle was 26 cm long in length. The parasites were identified as Dirofilaria immitis.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• v.45 no.4
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• pp.207-214
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• 2019

Objectives: Medically compromised patients often fear required dental surgical procedures that can increase the risk of medical emergency when combined with reduced tolerance for stress. A stress reduction protocol (SRP) helps doctors minimize treatment-related stress and improves patient management with minimum complications. Diabetes and co-morbid hypertension carry 4-fold risk of aggravation of cardiovascular emergencies and 7.2-fold risk of mortality. Diabetic neuropathy can result in difficult diagnosis of myocardial infarction and reduces chances of surviving a myocardial infarction compared with a non-diabetic person. The aim of the study was to assess the feasibility of a protocol for management of patients having both diabetes and hypertension who required minor oral surgery to minimize the rate of cardiovascular emergencies. Materials and Methods: A prospective study was conducted in 140 patients having both diabetes and hypertension who required minor oral surgical procedures. A systematic approachable protocol was designed for management of such patients. Results: Among 140 patients, 6 patients (4.3%) had cardiovascular complications, while 3 patients (1 with syncope and 2 with hypertension) did not require any intervention other than observation. Two patients were managed with aspirin and nitroglycerin, and 1 patient had possible myocardial infarction (overall incidence 0.7%) with chest pain, S-T segment elevation on electrocardiogram, and troponin level of 0.60 ng/mL. Conclusion: The proposed protocol helps to improve management of patients having both diabetes and hypertension. We recommend that patients with uncontrolled diabetes and uncontrolled hypertension and/or patients having history of cardiovascular complication should be treated in a medical facility with a readily available cardiology unit. This facilitates prompt response to emergency and instant implementation of treatment, helping to reduce morbidity and mortality.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.22 no.6
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• pp.140-146
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• 2021

This study examined the effects of childcare teachers' job satisfaction and the professional learning environment on their turnover intention. The study sample consisted of 625 childcare teachers in the S, I, and G area of Korea. Childcare teachers completed a self-administered questionnaire, and the data were analyzed using a t-test, Pearson correlation, and multiple linear regression analysis. The main findings were as follows. First, the level of turnover intention was varied by the type of childcare facility. Childcare teachers working in national and public facilities had a lower turnover intention than the facilities of private and homes. Second, the childcare teacher's job satisfaction, professional learning environment, and turnover intention were closely correlated regardless of the type of childcare facility. Third, the childcare teacher's job satisfaction and professional learning environment were significant predictors of the turnover intention. Therefore, policymakers need to address these issues.

• The Journal of Korean Obstetrics and Gynecology
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• v.22 no.1
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• pp.140-147
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• 2009

Purpose: This study was conducted to investigate the relationship between primary dysmenorrhea. Methods: Intensity of dysmenorrhea was evaluated by scoring system of Andersch and Milsom. Anger state, trait, expression of the patients suffering from dysmenorrhea was measured by STAXI-K. And each value was analyzed by ANOVA testm as to intensity of dysmenorrhea, student t test as to existence of dysmenorrhea. Results: The numerical value of anger expression in the primary dysmenorrhea existent group was significantly higher than that in the primary dysmenorrhea non-existent group. There were significant differences among the numerical value of anger expression in the groups classified as intensity of primary dysmenorrhea, the value of three positive group() was significantly higher than that of negative group(-). Conclusion: This study showed the relationship between anger expression and primary dysmenorrhea. But there was no clue to find out their causal relationship, because this study was cross-sectional. So further study will be needed to prove the causality between them. And more precise scale has to been developed to evaluate various type of anger accurately.

• IMMUNE NETWORK
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• v.16 no.2
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• pp.140-145
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• 2016

Ophiocordyceps sinensis is a natural fungus that has been valued as a health food and used in traditional Chinese medicine for centuries. The fungus is parasitic and colonizes insect larva. Naturally occurring O. sinensis thrives at high altitude in cold and grassy alpine meadows on the Himalayan mountain ranges. Wild Ophiocordyceps is becoming increasingly rare in its natural habitat, and its price limits its use in clinical practice. Therefore, the development of a standardized alternative is a great focus of research to allow the use of Ophiocordyceps as a medicine. To develop an alternative for wild Ophiocordyceps, a refined standardized extract, CBG-CS-2, was produced by artificial fermentation and extraction of the mycelial strain Paecilomyces hepiali CBG-CS-1, which originated from wild O. sinensis. In this study, we analyzed the in vitro immune-modulating effect of CBG-CS-2 on natural killer cells and B and T lymphocytes. CBG-CS-2 stimulated splenocyte proliferation and enhanced Th1-type cytokine expression in the mouse splenocytes. Importantly, in vitro CBG-CS-2 treatment enhanced the killing activity of the NK-92MI natural killer cell line. These results indicate that the mycelial culture extract prepared from Ophiocordyceps exhibits immune-modulating activity, as was observed in vivo and this suggests its possible use in the treatment of diseases caused by abnormal immune function.