• Neonatal Medicine
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• v.15 no.1
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• pp.22-31
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• 2008

Purpose : Bronchopulmonary dysplasia (BPD) is characterized by arrested vascular and alveolar growth in the premature lung. Considering the consequences of arrested lung growth, the idea of administering bone marrow cells to enhance the inborn repair mechanism is promising as this may reduce the morbidity and mortality of BPD. We followed enhanced green fluorescent protein (EGFP)-labeled bone marrow cells (BMC) injected intraperitoneally into non-EGFP mice in order to determine their fate after transplantation. Methods : An angiogenesis inhibitor, SU1498, was injected subcutaneously on day 3 in non-EGFP C57BL/6 newborn mice to create a model of arrested alveolar development. On the following day, $1{\times}10^6$ BMCs isolated from major histocompatibility complex (MHC)- matched syngenic EGFP mice were injected intraperitoneally to non-EGFP BPD mice. Morphometric analysis, immunostaining, and confocal microscopy were performed to determine the fate of EGFP-positive stem cells in the injured lung. Results : SU1498 injection reduced alveolar surface area and mean alveolar volume in newborn mice. BMC injection resulted in recovery of lung structure comparable to controls. EGFP-positive BMCs were identified in the lungs of the recipient mice after intraperitoneal injection. The injected EGFP cells were co-stained with endothelial and epithelial cells of the developing lung as determined by confocal microscopy. Conclusion : Our results illustrated that EGFP-positive BMCs engrafted and trans-differentiated into epithelial and endothelial cells after intraperitoneal injection in a mouse model of arrested alveolar development.

• Korean Journal of Organic Agriculture
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• v.18 no.2
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• pp.209-219
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• 2010

This study was carried out to evaluate the effects of applying levels of organic liquid fertilizer (OLF) on growth and fruit quality of hot pepper. The OLF was made with compositions of chicken dung : rice bran : soybean meal (2:1:1). Hot pepper was applied with 5 treatments; control (chemical fertilize), OLF-1.0X (standard applying levels), OLF-0.7X (70% of standard applying level), and OLF-1.3X (130% of standard applying level). The plant height was reduced at 23cm in the OLF-1.0X treatment compared to control of 293cm. The number of hot pepper fruits was significantly increased. The content of capsaicin in the ripened pepper decreased by 23.6% in the OLF-1.0X treatment with $253mg{\cdot}kg^{-1}$ compared with control of $331mg{\cdot}kg^{-1}$, but the content of free sugar increased by 19.5%. The content of capsaicin and soluble solid content in OLF-1.3X treatment were significant different with other treatments. The yield of red pepper in OLF-1.0X treatments increased by 15% with $4,190kg{\cdot}10a^{-1}$ compared to control of $3,643kg{\cdot}10a^{-1}$, and OLF-1.3X and OLF-0.7X treatments showed increase by 10% and 6%, respectively.

• Journal of fish pathology
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• v.23 no.2
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• pp.211-219
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• 2010

Specimens were collected from the coastal region near industrial complex of Ulsan-Onsan, Sihwa-Ansan and Yeosu-Gwangyang in 2008 and 2009. The total number of individuals used in analysis was 1,289 of Acanthogobius flavimanus, Chelon haematocheilus, Hemibarbus labeo, Leiognathus nuchalis, Mugil cephalus and Synechogobius hasta. The sex ratio in the total individual was 1:0.73 (female:male). Specific sex ratio of fishes in the areas, namely the Ulsan-Onsan, Sihwa-Ansan and Yeosu-Gwangyang were 1:0.79, 1:0.81, and 1:0.25, respectively. Especially, female in Yeosu-Gwangyang was higher than male. The intersexuality in the total individual was 11.7%. Intersexuality of fishes in the areas were 4.98, 14.39 and 25.0% in the Ulsan-Onsan, Sihwa-Ansan and Yeosu-Gwangyang, respectively. It was indicated female higher than male in Ulsan-Onsan and male higher than female in Sihwa-Ansan and Yeosu-Gwangyang.

• Journal of KIISE:Information Networking
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• v.36 no.4
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• pp.339-350
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• 2009

In wireless sensor networks, the limited battery resources of sensor nodes have a direct impact on network lifetime. To reduce unnecessary power consumption, it is often the case that only a minimum number of sensor nodes operate in active mode while the others are kept in sleep mode. In such a case, however, the network service can be easily unreliable if any active node is unable to perform its sensing or communication function because of an unexpected failure. Thus, for achieving reliable sensing, it is important to maintain the sensing level even when some sensor nodes fail. In this paper, we propose a new fault-tolerance scheme, called FCP(Fault-tolerant Coverage Preserving), that gives an efficient way to handle the degradation of the sensing level caused by sensor node failures. In the proposed FCP scheme, a set of backup nodes are pre-designated for each active node to be used to replace the active node in case of its failure. Experimental results show that the FCP scheme provides enhanced performance with reduced overhead in terms of sensing coverage preserving, the number of backup nodes and the amount of control messages. On the average, the percentage of coverage preserving is improved by 87.2% while the additional number of backup nodes and the additional amount of control messages are reduced by 57.6% and 99.5%, respectively, compared with previous fault-tolerance schemes.

• Korean Journal of Hospice Care
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• v.5 no.2
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• pp.75-85
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• 2005

The objective of this research is to provide the basic material for effective hospice care by analyzing the recognition of families who have terminally ill patients over death. To do so, this research is designed to investigate the general tendency toward death and changes after hospice care. To analyse the initial status of the recognition about the death, questionnaires were provided to the families of the terminally ill patients who were taken hospice care from June 1st, 2005 to September 10th, 2005 at Saemmul Hospice. The same questionnaires were distributed to research some changes of the recognition of the death after 3 weeks. As the Data Analysis Methodology, SPSS v.10.0 statistics program were utilized. The summary of this research is as follows. First, by gender, it is analyzed that women have more fear than men in terms of incompetence sense after death. By religion, Christians have less fear than other religious people in terms of fear toward after death and general sense of death. Second, those who experienced deaths of close family members, relatives, friends for the past 3 years have more fear toward the moment of death than those who did not experience it. Third, statistically valid difference was found in terms of fear toward the moment of death, fear toward incompetence, fear toward after death, and fear toward death before and after the hospice care was taken. Based on the result of this research, terminally ill patients' families facing death have shown significant differences on fear and incompetence before and after hospice care was offered. It is necessary that the hospice care should be settled more professionally by expanding the opportunities of hospice care and institutionalizing the system. In addition, hospice activities which are focused on providing hope after death and facing death with dignity and peace should be expanded increasingly as the family members who experienced deaths showed higher degree of fear and powerlessness and Christians have less fear toward death with the help of biblical influence. It is also required that hospice care specialized in recognizing the importance of terminal cancer patients and their families at the same time.

• Journal of Korean Philosophical Society
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• v.123
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• pp.379-407
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• 2012

The main purpose of this paper is to make a case for the availability of pragmatist ethics by showing the differences between utilitarianism and pragmatism. In this paper, drawing on Dewey's view, I show that Bentham and Mill were doomed to failure because they both regarded moral conduct not as a process but as a fixed act, the remarkable differences between their views notwithstanding. Besides, I also show that pragmatism distinguishes itself from utilitarianism by its focus on the aspect of the amendment of a conduct rather than its attainment. Pragmatist ethics works on the assumption that moral conduct arises only in conscious experience. What pragmatists mean by consciousness is not an ability just given to haman, but a function emerging from the human interaction with his environment. Therefore, morality is extended from and restricted by experience, because it is grounded in concrete experience, but not in the transcendental nor a priori realm. Since pragmatism suggests the possibility of "ethics without principles" in that it works through the way which successfully rejects the traditional absolutist ethics, while avoiding the downslide to a nihilistic form of skepticism. Thus, it may serve as a third view that overcomes a seriously divergent situation of the current ethical arguments. In other words, starting from the very nature of experience, pragmatist ethics offers a 'bottom-up' ethics, instead of a 'top-down' one. This reconstructive reading of pragmatism away from utilitarianism is expected to offer a more comprehensive account of our moral experience in the pluralistic world of diverged values.

• Journal of Korean Classical Literature and Education
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• no.38
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• pp.37-63
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• 2018

The purpose of this study is to determine in the minor characters in alternative versions of Pansori stories. Because, unlike the variations in the main characters, the changes in the minor characters seemed to clearly reveal the specific reasons to the enjoyers of Pansori literature. Bangja in Chunhyang-jeon serves as a narrator by providing information about characters and events, and enlivens the text by satirizing and ridiculing the feudalism class. He appears in certain narrative unit of Chunhyang-jeon and further expands in the order of encounter unit, farewell unit, and reunion unit. At the encounter unit, he helps the bachelor Lee and Chunhyang meet And in the farewell unit, he urges their separation and goes to Han Yang with his master Lee. At the reunion unit, Chunhyang's letter is delivered to the bachelor Lee. The following can be seen from the information above discussion. First of all, the 'Bangja' acquires the better occupation of stories. The enjoyers have changed that he regards as a important figure. Next, in Chunhyang-jeon, the expansion of the role of the Bangja was done in the direction of converging the few characters such as Mabu, Tongin, and the farmer. Especially, the increase of his proportion in the Pansori works can be related to the expansion of the theatricality. Finally, Bangja's frequency increases in the direction of the whole narrative, but it can not be seen as an increase that his role or function has increased. Because his function as a guide expands, but his function as a critic has diminished.

• Journal of Korean Philosophical Society
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• v.130
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• pp.337-361
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• 2014

The main purpose of this paper is to reconstruct the modern thought of love in terms of Dewey's esthetic experience. In the contemporary Korean society, discussions of love are represented in the two tendencies, scientification of love and idealization of love. In actuality, they support the insistence of impossibility of love by the modern sociologists. The former deals with love as chemical reactions in brain, which is based on physiology and biology. The latter regards hypothetical love through the media as the idea of love and displaces concrete love in reality with it. To see love as the subject catching, understanding, and desiring the object depends upon a narrow concept of experience. It comes from the idea that experience is not doing and suffering in a concrete situation but knowing and understanding the object. In this case, the uniqueness and the qualitativeness with each experience of love are ignored. When these traits of a romantic relationship are disregarded, love cannot help but subordinate to the logic of capitalism. This paper, therefore, attempts to find a new way to understand experience of love, focusing on Dewey's concept of aesthetic experience. I suggest that we can expect the possibility of experience of love if love is experienced in a similar way with aesthetic experience based on emotional interaction, and that the very experience of love leads to growth of our personality. Furthermore, I think this communicative experience makes people to change their community as well as each person's private life.

• Journal of Navigation and Port Research
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• v.45 no.6
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• pp.346-351
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• 2021

With the goal of eradicating overwork, overload, and speeding of general freight cars(cargo) by the Ministry of Land, Infrastructure and Transport, Infrastructure and Transport, the "The Fare of safe transportation for freight cars System" has been enforced since 2020. 'The Fare of safe transportation for freight cars' rate for each item is being applied and supplemented, but the 'The Cost of safe transportation for freight cars' of general freight cars (cargo) and steel items is under discussion. The purpose of this study was to estimate the willingness to pay( WTP) for cargo. A survey was conducted on shippers, transportation companies (arrangers, carriers), and cargo drivers (using direct questioning among contingent valuation method (CVM) and the Tobit Regression analysis was conducted, and the average and median values of freight rates were derived using the estimated results, and the willingness to pay by tonnage of freight cars was confirmed. It is expected that the results of this study can be used as a reference to the "The Fare of safe transportation for freight cars Committee" an organization for deliberation and resolution of the 'The Cost of safe transportation for freight cars'.

• Journal of the Korea Convergence Society
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• v.9 no.12
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• pp.159-167
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• 2018

As the popularity of single-person media content increases, We investigated the causal relationship between perceived value and intention to recommend to others. Individuality was studied on the tendency to sensation seeking and novelty seeking, which is a tendency to take boredom sensitive to monotonous and repetitive daily routines, and novelty seeking refers to new information and stimuli. The hypothesis was that high sensation seeking and high novelty seeking would perceived emotional value, epistemic value, and economic value for a single person 's media content. Hypothesis testing was performed using multiple regression analysis using SPSS21. As a result of the hypothesis test, The novelty seeking has a positive effect on emotional value, epistemic value, and economic value. Users who want to explore and enjoy new things could perceived the emotional value of having fun, fun, and sadness through single-person content, perceived a epistemic value and enjoy new information and situations as a tool to recognize new stimuli and know what they didn't know. And it could be seen that users perceive the economic value that they can enjoy at low cost or free service. The sensation seeking has a significant effect on epistemic value, but it did not affect emotional value and economic value significantly. Those who have a high tendency to sensation seeking can perceive curiosity about one-person media contents, so that they can perceive epistemic value. However, those who feel that they have not significant influence on economic value and emotional value can easily understand that expecting one's content does not feel bored by paying for a low cost or free service.