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A Chemical Analysis of Airborne Particulates at the near Coast Site, Ul-jin Geun Gyungbook

  • Lee, Dong Sub;Park, Jin Sik
    • Journal of Environmental Science International
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    • v.24 no.5
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    • pp.615-622
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    • 2015
  • East Asia is characterized by anthropogenic emissions resulting from the large population and fast economic growth of this region. Since the prevailing wind is westerly and northwesterly, emissions from Ul-jin can be expected to contribute to acidic deposition increase in downwind direction. Aerosols collected at the near coast site, Uljin geun, gyungbook and were analyzed for $NH_4{^+}$, $Mg^{2+}$, $Na^+$, $Ca^{2+}$, $Cl^-$, $SO_4{^{2-}}$, and $NO_3{^-}$ from Aug. 2012 to Feb. 2013. The seasonal averaged aerosol concentration showed the highest potassium and calcium ion in winter and the highest ammonium ion due to a meadow and high solar intensity in summer. Sodium and chloride ion showed the same ratio all seasons and sulfate and nitrate species showed the maximum value in winter Chemical components of aerosols collected at the near coast site, Uljin geun, gyungbook were lower by 16 to 73% than those collected at other similar environment site such as kanghwa, yangyang. Comparing air quality data at the near coast site, Uljin geun, gyungbook, There was found that Uljin coast site is less influenced by the sea salts(potassium, magnesium, calcium) and nss-$SO_4{^{2-}}$ percentage is 3~13% higher than similar condition site.

Proteomic identification of the bovine pregnancy associated proteins by peptide mass fingerprinting

  • Kang, Sun-Chul;Kim, Eun-Jung;Pyo, Jae-Hoon;Lim, Jin-Kyu
    • 한국생물공학회:학술대회논문집
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    • pp.558-561
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    • 2002
  • In this study, a method for the localization of pregnancy-specific proteins from cow urine on 2-D gel have been established. The proteins were digested with trypsin in gel and then analyzed with MALDI- TOF or transferred to a membrane and microsequenced. To examine the pregnancy associated protein spot 2 as a diagnosis marker in bovine urine 2-D western blotting was performed. This antibody was reacted specifically in the protein of pregnant cow’s urine. Consequently spot 2 was identified and found to be good candidates for developing cow pregnancy detection assay kit.

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FACTORS AFFECTING PATIENTS' DECISION-MAKING FOR DENTAL PROSTHETIC TREATMENT

  • Jung, Hyo-Kyung;Kim, Han-Gon
    • The Journal of Korean Academy of Prosthodontics
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    • v.46 no.6
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    • pp.610-619
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    • 2008
  • STATEMENT OF PROBLEM: Factors affecting patients' decision-making for dental prosthetic treatment should be examined in terms of understanding improving patients' oral health. PURPOSE: The main purpose of this dissertation was to investigate patients' dental prosthetic treatment and factors affecting patients' decision-making for dental prosthesis treatment in Deagu and Gyungbook areas. MATERIAL AND METHODS: This study was based on the preliminary survey of dental patients conducted from July 1 to August 31 in 2006. A total of 700 questionnaires had been distributed and 640 were collected. 629 questionnaires were used for the statistical analysis. Descriptive and inferential statistics, such as frequencies, cross tabulation analysis, correlation analysis, logistic regression analysis, and multiple regression analysis were introduced. In the multiple regression analysis and logistic regression analysis, twenty-two independent variables were employed to explore the factors which have impacts on decision-making and satisfaction. RESULTS: The results of this dissertation are as follows: Logistic regression analysis turned out that monthly income, age, degree of expectation, marital status, and employer-insured policy of national insurance statistically increased the odds of decision-making of dental prosthesis treatment. But educational attainment decreased the odds ratio of the decision-making of dental prosthesis treatment. However, the rest independent variables do not have statistically significant impacts on the decision-making of dental prosthesis treatment CONCLUSION: Among independent variables, marital status had the most significant influence on the decision making of dental prosthesis treatment. Finally, suggestions for the future study and policy implications to improve satisfaction of the patients' dental prosthetic treatment were discussed.

The Effect of Female College Student's Stress Level on Premenstrual Syndrome

  • Kim, Eun Young;Bae, Ju Han
    • Journal of International Academy of Physical Therapy Research
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    • v.5 no.2
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    • pp.723-729
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    • 2014
  • The purpose of this study is to understand the relationship between female college students' stress level and premenstrual syndrome so that it can provide baseline data on how to cope with the syndrome. The study subjects are 250 female college students in Gyungbook area. This study chose 199 appropriate subjects and collected data. As per general menstrual phases, this study investigated the age when one had her first period, regularity and duration of period, and amount of bleeding. It used a measurement tool to measure stress level and premenstrual syndrome. Most of the subjects experienced their first period before the age of 13. The menstrual period was irregular with the duration of less than 7 days. 123 subjects had normal amount of bleeding. 121 subjects were experiencing high level of stress over 2.4. The correlation between the level of stress and premenstrual syndrome factors showed significant static correlation for each factor. Especially, the correlation between digestive system and response of autonomic nervous system was .996 and negative emotion and behavioral change was .635, and negative emotion and pain was .614 which were relatively high. The regression analysis of factors of premenstrual syndrome depending on the subjects' stress level indicated that response of autonomic nervous system had the biggest effect in the low stress group while behavioral change, negative emotion, pain, decreased concentration, water congestion, response of autonomic nervous system, and skin change had the biggest effect in the high stress group with statistical significance. Based on the result, it can be said that higher premenstrual stress is closely related to the premenstrual syndrome one experiences for some female college students.

A Geomorphological Study on the Distribution Areas of Freezing during Summer Season in Korea (한국의 하계 동결현상 분포지에 관한 지형학적 연구)

  • Jeon, Young-Gweon
    • Journal of the Korean association of regional geographers
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    • v.7 no.1
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    • pp.97-106
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    • 2001
  • There are a few interesting areas which show freezing during summer season in Korea, three of them are especially important. They are located at Milyang(Gyungnam province), Uisung and Chungsong(Gyungbook province). They are named Eoleumgol(ice-valley) or Binghyul(ice-cave). The purpose of this study is to clarify geomorphological and geological characteristics about the distribution areas of freezing during summer season in Korea in relation to previous works, which have been studied in hydrological or micro-climatological viewpoints. The main results are summarized as follows. 1) The main geomorphological and geological characteristics in the distribution areas of freezing during summer season (1) Thick debris accumulated slope within deep valley (2) North facing slope (3) The component debris of volcanic rock such as andesite or rhyolite 2) The ice-cave as a system that give rise to freezing phenomenon in summer season is closely related to talus slope. The ice-cave has thick accumulated debris and lots of vacant spaces within the rock deposits, some of vacant spaces are very big and connected with underground water system. 3) A partly freezing within underground water system is required freezing phenomenon in summer season. Judging from this point of view, two ideas are suggested; one is the evaporation theory, another is that the frozen condition in winter remains untill late summer.

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A Study of Health Consciousness and Physical Therapy Cognition of Old Ages (고령자의 건강의식과 물리치료 인식에 관한 연구)

  • Park Hwan-Jin;Park Rae-Joon;Kim Han-Soo
    • The Journal of Korean Physical Therapy
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    • v.12 no.2
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    • pp.175-184
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    • 2000
  • This study which applies to the 403 healthy people who don't have particular diseases recently(193 urban aged. 210 rural aged) among male and female aged over 60 years old living in Daegu(city) and Gyungbook(agricultural village) is fulfilled from November 1st to December 31st by interview using the questioned paper which researcher developed, and reached to these tallowing conclusions. 1. Every aged men independent of the place residence answered positively yes but aged women had weak assurance of their health. Especially $38.6\%$ of rural aged women said yes and $51.4\%$ of rural aged women said no. 2. In the sleep and well-regulated life, urban and rural aged generally marked on the sound sleep. Compared with male and female, men answered they had better sleep and regulated life than women. 3. The percentage of the urban and rural aged's judgement on their activity was high and the percentage of the rural aged was lower than the percentage of the urban aged. 4. While $62.6\%$ of urban aged answered they were active. $38.6\%$ of rural female aged answered yes, This shows that the rural female aged regard their health is not good. 5. Compared with same generation. urban aged ranked lower than urban aged in the confidence of physical strength. Especially rural need women answered $42.1\%$ of them were weaker than the same generation. This shows that rural aged women don't have confidence in general physical activities. 6. Taking exercises three times a week which can influence on health cue to sixties and seventies aged ranked $26.1\%$, rarely do is $18.8\%$ and never do is$28.8\%$. Urban and rural aged do not exercise on the purpose of health. 7. The reason of exercise was to advance the physical strength and quality of motion$(34.9\%)$ to get rid of stress$(13.4\%)$ and to prevention of adult illness$(27.8\%)$, prevention of fatness$(15.3\%)$. Aged have a correct understanding that exercise can promote health and protect from the diseases of adult people because the items about the diseases of adult people was marked high. 8. Among the subject of total investigation, 209 persons answered. It showed necessary to recognize that the exercise is still important essential part between adult illness and health care. 9. The $67.7\%$ of urban aged men answered yes in the question of undergoing a physical examination but the rate of not undergoing a physical examination was high in rural aged and urban aged women. According to this, there were the difference of consciousness about health between urban and rural aged. and men and women. 10. Among the people who haying undergone the physical examination, $80.3\%$ of the aged went back to the hospital again because of the result. 11. In the case of stroke, most aged answered the would be placed under medical care. but $53.9\%$ of rural aged women answered they would rely on Chinese medicine. According to this. aged preferred Chinese medicine in some particular diseases. 2. The $58.1\%$ of whole object of this study answered that stroke would be recovered.

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Taurine exerts neuroprotective effects via anti-apoptosis in hypoxic-ischemic brain injury in neonatal rats (신생 흰쥐의 저산소성 허혈성 뇌손상에서 항세포사멸사를 통한 taurine의 신경보호 효과)

  • Jeong, Ji Eun;Kim, Tae Yeol;Park, Hye Jin;Lee, Kye Hyang;Lee, Kyung Hoon;Choi, Eun Jin;Kim, Jin Kyung;Chung, Hai Lee;Seo, Eok Su;Kim, Woo Taek
    • Korean Journal of Pediatrics
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    • v.52 no.12
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    • pp.1337-1347
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    • 2009
  • Purpose:Taurine (2-aminoethanesulfonic acid) is a simple sulfur-containing amino acid. It is abundantly present in tissues such as brain, retina, heart, and skeletal muscles. Current studies have demonstrated the neuroprotective effects of taurine, but limited data are available for such effects during neonatal period. The aim of this study was to determine whether taurine could reduce hypoxic-ischemic (HI) cerebral injury via anti-apoptosis mechanism. Methods:Embryonic cortical neurons isolated from Sprague-Dawley (SD) rats at 18 days gestation were cultured in vitro. The cells were divided into hypoxia group, taurine-treated group before hypoxic insult, and taurine-treated group after HI insult. In the in vivo model, left carotid artery ligation was performed in 7-day-old SD rat pups. The pups were exposed to hypoxia, administered an injection of 30 mg/kg of taurine, and killed at 1 day, 3 days, 1 week, 2 weeks, and 4 weeks after the hypoxic insult. We compared the expressions of Bcl-2, Bax, and caspase-3 among the 3 groups by using real- time polymerase chain reaction (PCR) and western blotting. Results:The cells in the taurine-treated group before hypoxic insult, although similar in appearance to those in the normoxia group, were lesser in number. In the taurine-treated group, Bcl-2 expression increased, whereas Bax and caspase-3 expressions reduced. Conclusion:Taurine exerts neuroprotective effects onperinatal HI brain injury due to its anti-apoptotic effect. The neuroprotective effect was maximal at 1-2 weeks after the hypoxic injury.

Change of Functional Health Status according to Healthy Life-style of the Elderly Living in Rural Community (일부 농촌지역 노인의 건강생활습관에 따른 기능적 건강상태의 변화)

  • Hwang, Byung-Deog;Lee, Sang-Won;Moon, Hyo-Jung;Lee, Sung-Kook
    • Journal of agricultural medicine and community health
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    • v.30 no.2
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    • pp.151-165
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    • 2005
  • Objectives: This study was to examine those life style factors which could affect the changes of health status indices such as ADL and IADL of the Elderly living in rural community. Methods: The subjects of the study were 1,295 elderly people of age over 65 years living in Gyungbook Sung-Ju area selected by random sampling for one month at October 1996. After 4 years, the follow-up study in those subjects were performed, ADL, IADL and general characteristics were measured. Those subjects who had shown high functional health status in first investigation were measured as how their health were changed in relation with their general characteristics and life styles in second investigation. Results: The factor analysis were performed in life style questions, and 6 factors composed of 15 questions of all were selected as the indices of life style. For ADL level, logistic regression analysis, age and educational level in men, and age and economic status in women had significant relation with health status change. Among life style factors, diet factor in men and diet factor, social activity factor in women were found to be significantly related. For IADL level, simple analysis showed that age in men and age, education level in women among general characteristics had related with health status change. Among life style factors, diet factor, stress relieving factor were related in women when general characteristics were also controlled diet factor, stress relieving factor were related in women. Conclusions: In order to prevent functional health status altering in the elderly, it is recommended that the intervention which could promote healthy life styles such as good diet habit, active social participation, and pertinent stress relieving should be considered.

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