• Cross-Cultural Studies
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• v.21
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• pp.165-188
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• 2010

One of the things that should be done first in establishing the cosmic life culture is to reflect on the old human-oriented culture. If the cosmic life culture absolutizes everything except for humans according to the logic of reason, its foundation will weaken or eventually get lost. Separating humans from the universe is just like separating life from it. Given that all life, whether it is humans or the earth, originated from the universe, such an effort for separation merely values an individual life by excluding all life or whole life. When the human body and the cosmic chi' blood are not in an active flow, it means there is a problem with life. What is in the greatest need in such a case is the sincere human mind that follows the principle of cosmic life. It is like the sincerity found in the pasonri singer, who mellows all the hardships and difficulties in the world out and create songs out of them like the shadow. It is the pansori singer's shadow that changes the universe. It is only when the extreme force of human mind communicates with that of the universe that the cosmic life or cosmic life culture can be created. In that sense, it is urgent to create life out of the universe inside me and create a universe out of all life in and outside me. It is such a grave plan in human history in that it involves finding the "Sanal" which is the core of life living hidden inside the body whose life force gradually goes away or inside the universe, and creating the culture of Bokseung in which it bursts out. The most important thing in life is the flow, and the mankind is currently standing in the life flow of the massive universe's chaosmos. The greatest task the mankind is currently faced with is to think over how to deal with the period of Big Chaos in the massive universe's chaosmos reversely and establish the cosmic life culture anew.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2014.05a
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• pp.465-468
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• 2014

In this paper, we describe a method capable of measuring biological signals including respiration, heart rate, blood pressure, and blood sugar, using UWB (Ultra Wide Band) pulses, while does not contact the human body. Physiological signal is a basic data for checking the health. Because life is longer and active area of human becomes very broad, the medical system and the physical human resources which are focused on existing hospital must be located close patient, In that way, they hope be to engage in healthy life by stepping a quick step and treatment. Thus, it must be fitted closely to the patient. It is necessary to monitor the health without inconvenience on an ongoing basis. How to utilize radio waves in this way have been studied for a long time. However, the characteristics of radio waves on the human body has not been accurately grasped and developed as such. Accordingly, it is a level that can not be applied clinically. So, it is not widely put to practical use. In this paper, We analyzed and described the impact and characteristics of UWB pulses to the human body is a problem existing.

• Development and Reproduction
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• v.16 no.4
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• pp.339-351
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• 2012

Fetal bovine serum (FBS) is the most frequently used serum for the cultivation of mammalian cells. However, since animal-derived materials might not be appropriate due to safety issues, allogeneic human serum (HS) has been used to replace FBS, particularly for the culture of human cells. While there has been a debate about the advantages of HS, its precise effect on human adult stem cells have not been clarified. The present study aimed to investigate the effect of HS on the human eyelid adipose stem cells (HEACs) in vitro. When HEACs were cultivated in a medium containing 10% HS, many cells moved into several spots and aggregated there. The phenomenon was observed as early as 9 days following 10% HS treatment, and 12 days following 5% HS plus 5% FBS treatment. However, the aggregation was never observed when the same cells were cultivated with 10% FBS or bovine serum albumin. To examine whether cell density might affect the aggregation, cells were seeded with different densities on 12-well dish. Until the beginning of aggregation, cells seeded at low densities exhibited the longest culture period of 16 days whereas cells seeded at high densities showed the shortest period of 9 days to form aggregation. The number of cells was $15.1{\pm}0.2{\times}10^4$ as the least for the low density group, and $29.3{\pm}2.8{\times}10^4$ as the greatest for the high density group. When human cord blood serum or normal bovine serum was examined for the same effect on HEACs, interestingly, cord blood serum induced the aggregation of cells whereas bovine serum treatment has never induced. When cells were cultivated with 10% HS for 9 days, they were obtained and analyzed by RT-PCR. Compared to FBS-cultivated HEACs, HS-cultivated HEACs did not express VIM, and less expressed GATA4, PALLD. On the other hand, HS-cultivated HEACs expressed MAP2 more than FBS-cultivated HEACs. In conclusion, human adult stem cells could move and form aggregates by the treatment with human body fluids.

• The Journal of Korean Medicine
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• v.24 no.1
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• pp.181-189
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• 2003

Background : Patient, family, society and country are badly damaged by stroke (CVA : cerebrovascular accident). To reduce sequelae and return rapidly to society, treatment in the acute stage is very important. In many studies on purgation therapy (下法) used in acute stages of stroke, the changes of blood pressure, pulse and so on before and after purgation therapy were reported. However, the changes in the human body according to the day elapsed after defecation were not reported, so study was needed to confirm such changes. Methods : Seventy-six patients were studied. We observed forty-three patients at acute stroke and thirty-three patients at convalescent stroke. To confirm the importance of regular defecation in stroke patients, we analyzed blood pressure according to the day elapsed after defecation. Results : The following result were obtained. 1. In stroke group, compared with the day after defecation, the mean blood pressure of the third day after defecation increased. It increased the most in the acute stroke group. 2. Especially in stroke and acute stroke groups, compared with the second day after defecation, the mean systolic blood pressure of the third day after defecation increased significantly. 3. In the infarction group, compared with the day after defecation, the mean blood pressure of the third day after defecation increased. It increased the most in the acute infarction group. 4. Especially, in the infarction and acute infarction groups, compared with the second day after defecation, the mean systolic blood pressure of the third day after defecation increased significantly. Conclusion : In stroke patients, regular defecation is important, so we think that purgation therapy (下法) is needed in stroke patients over the third day elapsed after defecation. We think that the bowel movement control in acute stroke patients is more important than in convalescent stroke patients.

• Korean Journal of Community Nutrition
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• v.12 no.6
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• pp.761-772
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• 2007

It has been suggested that vegetables protect the cardiovascular system in part by attenuating blood pressure. The purpose of the present research was to examine blood lipids according to vegetable intakes. Anthropometric measurements, blood pressures, nutrient intakes using the 24-hour recall method, and serum lipids of <50th percentile vegetable intake group (<50th percentile VIG; men=66, women=111) and ${\ge}50th$ percentile vegetable intake group (${\ge}50th$ percentile VIG; men=83, women=94) were estimated. The average age, height, and BMI were 54.7 years, 158.2 cm, 62.2 kg, and $24.9kg/m^2$ for <50th percentile VIG and 53.7 years, 159.6 cm, 63.0 kg, and $24.7kg/m^2$ for ${\ge}50th$ percentile VIG, respectively. The daily food intake of the ${\ge}50th$ percentile VIG was significantly higher than that of the <50th percentile VIG (p<0.001). Also, daily intakes of cereals (p<0.001), legumes (p<0.05), nuts (p<0.05), vegetables (p<0.001), and fruits (p<0.05) of the ${\ge}50th$ percentile VIG were significantly higher than those of the <50th percentile VIG. The daily energy intakes of ${\ge}50th$ percentile VIG and <50th percentile VIG were 1342.7 kcal and 1782.0 kcal (p<0.001), and most nutrient intakes of the ${\ge}50th$ percentile VIG was significantly higher than that of the <50th percentile VIG. Serum cholesterol of the ${\ge}50th$ percentile VIG were significantly lower than that of the <50th percentile VIG (p<0.01). Also, vegetable intake showed significantly negative correlations with total cholesterol (p<0.05) and LDL-cholesterol (p<0.05). Based on these results, it should be emphasized that increase of vegetable intake improves the blood lipid profile.

• The Korean Journal of Food And Nutrition
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• v.20 no.4
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• pp.460-466
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• 2007

The purpose of this study was to estimate coffee consumption and it's relationship to blood pressure and blood lipid profiles in Korean adult men and women. Antheropometrics, dietary intake by 24-hour recall, and serum lipid profiles were measured in 354 subjects. The average subject ages for the age ranges of $20{\sim}49$, $50{\sim}64$, and over 65 years, were 39.7, 57.5, and 70.6 years for the men, and 40.7, 56.9, and 70.9 years for the women, respectively. Mean height and weight were significantly higher in the men and decreased with increasing of age. Thirty percent and 28% of the men and women, respectively, consumed coffee. The proportions of coffee consuming subjects in the age rangers of $20{\sim}49$ years(34.9%) and $50{\sim}64$ years(35.6%) were significantly higher than in the group over 65 years(11.5%). The mean daily intakes of food and energy were showed the same results according to sex and age. Mean daily coffee intake was not significantly different between the men and women, but it was significantly lower in the over 65 age group. Systolic blood pressure was significantly higher in the men and increasing age. The atherogenic index was significantly higher in the $20{\sim}49$ year-old men, and in the women over 65 years. There were no significant correlations among coffee consumption, blood pressure, and the serum lipid profile. In conclusion, the daily coffee consumption by adult men and women, with the exception of the elderly, was $50{\sim}90m{\ell}$, and it was not significantly correlated to blood pressure or blood lipids.

• Journal of Sensor Science and Technology
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• v.9 no.1
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• pp.51-60
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• 2000

This paper outlines the development of a non-pulsatile axial flow type blood pump control system. By utilizing blood pressure and heart rate, this system can assist the left ventricle in controlling blood pressure and blood volume. The system is comprised of a blood pump, signal sensor, signal interface, and signal-processing component. A control algorithm is also proposed which can control non-pulsatile, continuous blood flow in the human circulatory system. To facilitate the control required for non-pulsatile blood pump in a physiological system, an experimental control rule was developed utilizing ECG and blood pressure data, both of which are easily detectable variables in the body. The system was then tested using a mock-up circulation system and we found that it is possible that this systems could be temporarily used in clinic.

• Journal of the Korean Society for Aviation and Aeronautics
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• v.20 no.2
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• pp.58-63
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• 2012

An altitude chamber, also known as a hypobaric chamber, is a device used during aerospace or high terrestrial altitude research or training to simulate the effects of high altitude on the human body. Although data from altitude chamber researches using experimental animals have been accumulated, studies in the humans exposed to hypobaric conditions are seldomly reported. Despite the importance of altitude chamber flight training in the field of aviation physiology, the hematological analysis of post-flight physiological changes has rarely been performed. The aims of the present study were to investigate the alterations in blood components during altitude chamber flight and to determine whether the differences between pre- and post-flight values are significant. Sixty experienced pilots in the Republic of Korea Air Force were enrolled in the altitude chamber flight training. Venous blood samples were obtained before and immediately after the flight. Compared with the pre-flight values($6.32{\times}10^3/mm^3$, $5.02{\times}10^6/mm^3$, 15.61 g/dL, respectively), white blood cell count, red blood cell count and hemoglobin level were significantly increased after the flight($6.77{\times}10^3/mm^3$, $5.44{\times}10^6/mm^3$, 16.26 g/dL; p=0.006, p=0.012, p<0.001, respectively). These alterations may be attributable to the exposure to hypobaric hypoxia, 100% oxygen supply for denitrogenation, considerable rise and fall in altitude and psychophysical stress due to these factors. In further studies, experimental groups and methods should be individualized to ensure objectivity and diversification. In addition, multiple time-frame analyses regarding the changing pattern of each blood component are also required to elucidate the physiological process for adapting to the high terrestrial altitude exposure.

• The Journal of the Korea institute of electronic communication sciences
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• v.18 no.6
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• pp.1353-1362
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• 2023

Various methods are being attempted to resolve the inconvenience of blood glucose meters used to check blood sugar levels. In this paper, we attempted to estimate blood sugar levels non-invasively using machine learning technology from spectral data acquired using a near-infrared sensor. The non-invasive blood glucose meter used in the study has a total of six near-infrared ray emitters, including visible rays, and a light receiver that receives them. It is a device created to collect spectral data on specific parts of the human body, such as the fingers. To verify whether there was a significant difference depending on blood sugar level, we attempted to estimate blood sugar level through machine learning algorithms. As a result of applying five machine learning algorithm techniques to the collected data and adjusting various hyper parameters, it was confirmed that the support vector regression algorithm showed the best performance.

• Proceedings of the KSCN Conference
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• 2005.10a
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• pp.80-80
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• 2005