• Journal of Korea Entertainment Industry Association
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• v.13 no.8
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• pp.243-253
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• 2019

Geyonggi-geommu have developed based on the long history of Korean sword dance. Han Sung-joon, the great master of modern music and dance of Korea during the Japanese colonial period, collected and reconstructed folk dances that had disappeared or were cut off due to the policy to obliterate Korean culture through Chosun Music Dance Research Society. Since then, it has been passed down to Kang Sun-young and Kim Geun-hee that has designated as the Intangible Cultural Property No. 53. of Geyonggi-do in 2011. This study focuses on highlighting the uniqueness of Geyonggi-geommu for proper modeling and transmission of Geyonggi-geommu with historical significance so as to understand and preserve the Intangible Cultural Heritage. This study examines the transmission system of Geyonggi-geommu, followed by Kang Sun-young and Kim Geun-hee, originated by the master Han Sung-Joon of Geyonggi-geommu. Geyonggi-geommu has its uniqueness of using the pure Korean dance terminology established by the holder Kim Geun-hee at the time of designation of intangible cultural properties in Gyeonggi-do. The unique features of Geyonggi-geommu are performed and transmitted in two forms, Daemu(Group dance) and Holchum(Solo dance) which are not currently found in other regions. This is meaningful to passed down according to the original form of Geommu(Sword dance). In particular, the Holchum(Solo dance) is a form of artistic dance, showing the beauty of the sword dance during the Chosun Dynasty. In short, Gyeonggi-geommu can be described as an artistic dance with a soft and strong temperament considering its unique features.

• Journal of Korea Entertainment Industry Association
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• v.13 no.3
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• pp.13-25
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• 2019

Since reaching the top in the Billboard Main Album Chart 'Billboard 200' with Love Yourself: Tear in May of 2018, BTS once again took first place after just three months in the 'Billboard 200'(September 3, 2018) with the repackaged album Love Yourself: Answer. It opened the doors to the 'Hallyu 4.0' by conquering the main Billboard Chart with a song sung in Korean. BTS rose to the top on the 'Billboard 200' twice, thus being recognized globally for their musical talent(song, dance, promotion, etc.), and took their place in the mainstream music market of the world. BTS moved away from intuitive interaction such as mysticism, abnormality, irregularity, etc. but instead created their own world(BTS Universe) with fans around the world through two-directional communication such as consensus, sharing and co-existence. They are recognized as artists that went beyond being an idol group that simply released a few hit songs that had now elevated popular music to a new form of art. In result, they retained a highly loyal global fan base(A.R.M.Y.) and they are continuously creating good influence with them. This study analyzed the success factors of BTS using the S-M-C-R-E model as follows. ① Sender: BTS'7-person 7-colors fantasy and 'All-in-one storytelling' strategy of producer Bang Shi-hyuk ② Message: Create global consensus of 'you' rather than 'me' ③ Channel: Created real-time common grounds with global fans through social network platforms such as Youtube, Facebook and Instagram ④ Receiver: Formed highly loyal global fandom(A.R.M.Y.) that extends outside of Korea and Asia ⑤ Effect: Created additional economic value and spread good influence

• (The) Research of the performance art and culture
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• no.40
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• pp.307-341
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• 2020

In the past, each villages of ULSAN had their own SUNGHWANGDANGs. Village folks held an annual ritual for a ghost called GOLMAEGI. That ritual, which was a form of festival supervised by the village community, was the opening of seasonal customs. People called the ritual JISINBOPKI. It was a type of NONGAK in which musicals and dramatic factors made a harmony. Usually its lyrics were called 'SUNGJUPURI'or 'JISINBOPKI' song. At that moment, villagers, thumping on the ground with their feet, danced 'DUTBEKI' to awake the sleeping ghost SUNGJUJISIN. After this ritual, the music band started to visit people's house after house around the town playing PUNGMUL NOLI which consisted of SOGO NORUM, JAPSACK NORUM. The whole proceeding of these performances did not have a definite name. Villagers prayed to SUNGJUJISIN for the prevention of bad luck in their home. This study have arranged the type of MAEGUCHIGI, which is a kind of wishing NONGAK, on the basis of two preceding primary documents. And the other is about JISINBOPKI of ULSAN district that was shown in ULSAN YUSA written by a local historian, KIM SUKBO, of ULSAN. The process of arrangement is as follows. At first, considering the implication of this NONGAK, the definite title of it was designated as ULSAN MAEGUCHIGI. And then, it was given its genre and type within NONGAK.

• 한국노년학
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• v.31 no.1
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• pp.157-170
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• 2011

The purpose of this article is to examine how the 'bodily culture' of older men who gather at Jongmyo Park serves to express and solidify their sense of a enduring self. The research was carried out based on the anthropological methods of participant observation and in-depth interviews at Jongmyo park and its adjacent areas. In later life, the image of a continuous self becomes harder to achieve due to the ageism prevalent in modern societies. The situation is worse at Jongmyo park since the park itself has been stigmatized as "the extraterritorial zone for the old" by the media due to the boisterous atmosphere of the park. It is dubbed as a place for those who have nowhere else to go. The singing and dancing, which used to be the dominant forms of activities at the park among older men until the 'sanctification' project propelled by the government, serves as an antidote against the ageist tendency to subjugate them. The 'bodily culture' embodies these men's image of themselves as a continuous being which has not been tarnished by the passage of time. The approach of 'body hermeneutics' is required to interpret the experiences of the body in later life.

• Pediatric Infection and Vaccine
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• v.31 no.1
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• pp.83-93
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• 2024

Purpose: Since the start of the coronavirus disease 2019 (COVID-19) pandemic, various variants of concern have emerged. We divided the representative COVID-19 mutation period into four waves and aimed to analyze the clinical and laboratory features of children with COVID-19 from pre-mutation wave to the middle of omicron wave. Methods: We retrospectively reviewed the medical records of hospitalized patients aged ≤19 years with laboratory confirmed COVID-19. Clinical and laboratory findings during pre-mutation (February 1st 2020 to September 30th 2020), alpha/beta (October 1st 2020 to May 31st 2021), delta (June 1st 2021 to October 31st 2021), and omicron (November 1st 2021 to May 31st 2022) waves were compared. Results: Among total 827 patients, 163 (19.7%) were asymptomatic, and the frequency of fever and cough was 320 (38.7%) and 399 (48.2%), respectively. The proportion of fever ≥38.5℃ was observed to be high during the omicron wave in the age group under 12 years. Lymphopenia was observed highly in the omicron wave in the age group under 12 years, and in the delta wave in the age group older than 12 years. Neutropenia was highly observed in the delta wave in the 0-4 years age group. Conclusions: There were distinct characteristics during all epidemic waves of COVID-19. Children with COVID-19 had more frequent persistent fever during delta wave and children during the omicron wave had a higher peak fever.

• Journal of the Korean Society of Food Science and Nutrition
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• v.14 no.3
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• pp.265-273
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• 1985

To predict the nutritional quality of seafood proteins using a newer in virto model, 10 species of shellfish protein samples were used in determining the extent of in vitro digestibility, trypsin indigestible substrate (TIS), computed protein efficiency ratio (C-PER), discriminant computed protein efficiency ratio (DC-PER) and predicted digestibility which calculated solely from amino acid profile. The content of TIS in eviscerated samples were ranged from 1.10 to 5.09 mg/g solid, whereas the whole samples were ranged from 1.26 to 7.30 mg/g solid expressed quantitatively as mg of soybean trypsin inhibitor. The in vitro digestibility showed $82{\sim}86%$ for eviscerated samples in contrast with $78{\sim}84%$ for whole ones. Therefore, the results suggested that in vitro digestibility of shellfish was influenced by the present of viscera. The lysine content of Mya arenaria, Saxidomus purpuratus, Anadara subcrenata, and Anadara broughronii were lower than that of ANRC casein, but Corbicula fluminea, Cyclina sinensis, and eviscerated Mytilus edulis, were showed the value about 10.0 g/16g N. In all samples, the content of tryptophan and cystein were more higher than those of ANRC casein. The C-PER of whole samples showed the value below 2.0 while the values above 2.5 noted in the eviscerated samples. DC-PER of most samples were greater than those of C-PER and a greater discrepancies were revealed in whole shellfish which possesses the lower in vitro digestibility. The shellfish sample showed a high in vitro digestibility and a low TIS content such as eviscerated ones may need the DC-PER and predicted digestibility procedures rather than C-PER and four-enzyme in vitro digestibility procedure could offer more advantages in predicting the protein quality of whole shellfish samples which have poor in vitro digestibility and high TIS content.

• Development and Reproduction
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• v.14 no.4
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• pp.269-279
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• 2010

Some characteristics of germ cell differntiations and the function of accessory cells during spermatogenesis, and mature sperm ultrastructure in male Protothaca (N.) jedoensis were investigated by transmission electron microscope observations. The morphology of the spermatozoa of this species has a primitive type and is similar to those of other species in the subclass Heterodonta. Accessory cells, which are connected to adjacent germ cells, are involved in the supplying of the nutrients for germ cell development. The morphologies of the sperm nucleus and the acrosome of this species are the cylindrical type and cap shape, respectively. Spermatozoa are approximately $46{\sim}50{\mu}m$ in length including a long sperm nucleus (about $2.44{\mu}m$ in length), an acrosome (about $0.45{\mu}m$ in length), and tail flagellum (about $42{\sim}46{\mu}m$). The axoneme of the sperm tail shows a 9+2 structure. As some characteristics of the acrosomal vesicle structures, the basal and lateral parts of basal rings show electron opaque part (region), while the anterior apex part of the acrosomal vesicle shows electron lucent part (region). These characteristics of the acrosomal vesicle were found in the family Veneridae and other several families in the subclass Heterodonta. These common characteristics of the acrosomal vesicle in the subclass Heterodonta can be used for phylogenetic and systematic analysis as a taxonomic key or a significant tool. The number of mitochondria in the midpiece of the sperm of this species are four, as one of common characteristics appear in most species in the family Veneridae and other families in the subclass Heterodonta. However, exceptionally, only three species in Veneridae of the subclass Heterodonta contain 5 mitochondria. The number of mitochondria in the sperm midpiece can be used for the taxonomic analysis of the family or superfamily levels as a systematic key or an important tool.

• Journal of Korean Society of Forest Science
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• v.102 no.3
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• pp.315-322
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• 2013

This study was carried out to establish a management program and soil restoration plan through analysis of soil properties and visitor questionnaires in Songrim in Hadong, Korea. Soil bulk density in Songrim was slightly higher in the closed-woodlands ($1.31g/cm^3$) than in the open-woodlands ($1.39g/cm^3$). Soil bulk density in the closed-woodlands was higher in walking trails ($1.74g/cm^3$) than in forest areas ($1.39g/cm^3$), while the rates of pore space were lower in walking trails (42.6%) than in forest areas (50.5%). The soil porosity were lower in the closed-woodlands (34.6%) than in the open-woodlands (42.6%). Soil strength in surface soil was slightly lower in the open-woodlands ($8.5kgf/cm^2$) than in the closed-woodlands ($10.5kgf/cm^2$). The content of organic matter, total nitrogen and exchangeable cations of the woodlands was low compared with the optimum nutrient content for tree growth in Korea forest soil. According to the survey, the objective of visiting in Songrim was to enjoy recreation and landscape views. To conserve pine forest ecosystems in Songrim, the respondents said that it needs to the implement of closed-woodland periods, the establishment of smoking free zone, and the prohibition of garbage throwing and alcohol including disciplinary rules and education. Also the respondents said that pine forest ecosystem in Songrim is relatively sound, but the woodlands require the intensive management to the ecosystem and the introduction of native understory vegetation, such as grasses under pine forest ecosystem. It is recommended to designate the rest-year forest for a proper period in all woodlands to restore the Songrim soil rather than the alternation application between the rest-year for three years or non-rest-year trails, and to open partially the walking trails across the woodlands after the period. In addition, the forest within the woodland is need to designate a long-term rest-year.

• The Korean Journal of Malacology
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• v.29 no.1
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• pp.51-63
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• 2013

To assess the effect of environmental factors on the sustainability of cultured production shellfish, we investigated the habitat characteristics of tidal flat (Namhae-po in Taean). We measured the physiochemical parameters (temperature, salanity, pH, dissolved oxygen and nutrients) and the geochemical characteristics (chemical oxygen demand, ignition loss, C/N ratio and C/S ratio). Surface sediments were collected from several site of tidal flat to examine the geochemical characteristics of both the benthic environment and heavy metal pollution. The grain size for research area of tidal flat were similar at the ratio of silt and clay in comparison with the other site of it. The C/N ratio was more than 5.0, reflecting the range arising from the mix of marine organism and organic matter. The C/S ratio (about 2.8) showed that survey area had anoxic or sub-anoxic bottom conditions. The enrichment factor (Ef) and index of accumulation rate (Igeo) of the metals showed that those research areas can be classified as heavily polluted, heavily to moderately polluted, or more or less unpolluted, respectively. Adult surf clam (Mactra veneriformis) density was highest at St. 2 (middle part of the Namhae-po), on the other hand, surf clam spat density was highest at St. 3 (lower part of the Namhae-po). Heavy rain, terrigenous suspended clay with fresh water from neighboring agricultural land, and severe high air temperature during summer could be thought as detrimental causes of spat and adult mortality in Namhae-po tidal flat. We suggested that the growth of shellfish in the tidal flat was effected by the various environmental conditions, so an improvement in the cultured method was needed.

• Journal of the Korean Institute of Landscape Architecture
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• v.44 no.3
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• pp.25-36
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• 2016

As the first public park in Korea, birth place of the march first independence movement, and a representative space of leisure of old men, Tapgol Park contains diverse symbolisms and meanings. In 2000, Seoul authorities selected the symbolism of the March First independence movement, and carried forward the sacralization project of Tapgol Park. They eliminated facilities, including vending machines, and restricted most of the leisure activities in the park such as drinking singing dancing, speech, playing chess, writing calligraphy, etc., and loitering. Also, they changed the park's design into a less available space with green areas and switched wooden benches to granite stone. Since the project finished, a representative phenomenon was the elderly men's exodus to Jongmyo Park, where the restrictions were not strong as in Tapgol Park. As a result, the numbers of users in Tapgol Park decreased sharply. However, overcrowded(more than 3000) Jongmyo Park is also in the middle of a sacralization project now. According to an investigation including observation and in-depth interview, most of the elderly men who use the parks almost everyday were in the low economic class. They just visit the parks everyday and chat with their peers, gaining comfort from each other. These phenomena can be interpreted as a social exclusion in society, which made the elderly men move to another place. Meanwhile, although fifteen years has passed since the project was completed, many people still regard the Tapgol Park as a place for elderly men instead of the birth place of the March First Independence Movement. This study focused on such problems and vague place identity, which is neither a memorial place nor a public park. The study discovery the fact they missed the symbolism that Tapgol Park was the first urban park of Korea. Also, it stresses that the monumentality does not need to be sacred, reverent, or inflexible. With this point of view, this study discussed public aspect and everydayness, which are included in most of the urban parks. Finally, this study suggests Tapgol Park as an urban park that has an identity that embraces the condition of monumentality, everydayness, and publicness all together.