Park, Boyeon;Yang, Ji-Su;Moon, Eun Woo;Seo, Hye-Young;Ha, Ji-Hyoung
Journal of Microbiology and Biotechnology
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v.29
no.10
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pp.1580-1590
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2019
Capsaicinoids in red pepper powder are known to show anti-bacterial effects; however, their effects during kimchi fermentation are not known. This study aimed to investigate the effects of various concentrations of capsaicinoids on kimchi fermentation. Five sets of kimchi samples were prepared using 0 mg/kg (control), $98.34{\pm}5.34mg/kg$ (mild), $243.47{\pm}3.71mg/kg$ (medium), $428.63{\pm}30.78mg/kg$ (hot), and $1,320.49{\pm}28.27mg/kg$ (extreme) capsaicinoid. The characteristics of each kimchi sample, including pH, acidity, organic acid, sugars, sugar alcohol, capsaicinoid content, and microbial community were periodically investigated during fermentation. Kimchi with red pepper powder shows significantly higher acidity than control kimchi, whereas pH values were the same. Organic acid in kimchi with red pepper powder was higher than in control kimchi, probably caused by higher lactic acid bacteria (LAB) counts in kimchi samples with red pepper powder. Our results show that addition of red pepper powder decreased Leuconostoc spp. counts in the bacterial community. In particular, Lactobacillus sakei and Leuconostoc gelidum counts increased and decreased, respectively, with increasing capsaicinoid content of red pepper powder added to kimchi. Overall, the results of this study indicate that physicochemical properties and LAB such as L. sakei and L. gelidum are influenced by capsaicinoid content. However, further studies are necessary to investigate the effects of the percentage of red pepper powder in kimchi on fermentation to provide practical guidelines for producing standardized kimchi.
The purpose of this study is to find methods for building the community in poor residential environments. We analyze the public art project, "The Rose of Sharon Blooms," in Daejeon. To understand the project we interviewed artists, curators, local residents, and visitors, about three aspects of public art: visuality, speciality, and communication with citizens. These stakeholder interviews yielded valuable knowledge and insights: First, artworks created from the residents' recycled junk effectively harmonizes and unifies the citizens and their environment. Second, managing a gallery in the neighborhood symbolically values and explicates the public art project and thus enhanced the local identity. Third, public workshops in the neighborhood provide a venue for local citizens to communicate with visitors about the public arts, which eventually led to the welcoming atmosphere of the community. However, we found relatively little awareness of the need for partnership aspects among our interviewees, which suggests the importance of ongoing cooperation with other arts institutions and researchers to build vital cultural linkages and introduce varied art forms.
Journal of The Korean Society of Integrative Medicine
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v.12
no.3
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pp.179-188
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2024
Purpose : The home-visiting exercise guidance service is a component of the community-based integrated care policy in District J of Busan Metropolitan City. This study aims to investigate the effects of the service provided by physical therapists on depression, pain, and balance among the elderly. Methods : Three elderly individuals were selected as study participants. Depression was assessed using the beck depression inventory (BDI) and the short geriatric depression scale-Korea (SGDS-K). Pain was evaluated using the visual analog scale (VAS). Balance was assessed using the berg balance scale (BBS), functional reach test (FRT), and timed up and go test (TUGT). The evaluation data were compared by averaging the values from the first and eighth sessions. Additionally, the overall satisfaction with the home-visiting exercise guidance service was surveyed. Results : In the depression assessment, the beck depression inventory score decreased (by 16.67±5.69 points), and the short geriatric depression scale score decreased (by 4.67±2.52 points). The visual analog scale score for pain decreased (by 2.67±0.58 points). In the balance assessment, the berg balance scale score increased (by 7.67±2.52 points), the functional reach test distance extended (by 4.67±0.58 cm), and the timed up and go test time decreased (by 5.33±0.58 s). Overall satisfaction with the home-visiting exercise guidance service was high (4.26±0.14 points). Conclusion : The home-visiting exercise guidance service received high satisfaction ratings from the participants. It was effective in reducing depression and pain while improving balance, potentially reducing fall risk factors among the elderly. These findings suggest that the home-visiting exercise guidance service, delivered by physical therapists, could significantly enhance the quality of life for elderly individuals by addressing issues related to depression, pain, and fall prevention within the community. Consequently, it is recommended that this service be continued and expanded as part of government policy.
KSII Transactions on Internet and Information Systems (TIIS)
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v.15
no.4
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pp.1502-1520
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2021
This paper attempts to investigate Korean youth Not in Education, Employment and Training (NEET) and how daily activities and community participation may influence their positive emotions and job search desire. First, we conducted a focus group interview with 16 NEETs who participated in the Kakao NEET Company project. The project allowed participants to experience employment by founding a virtual company in which each participant selected a daily activity to perform as part of the company's operations. Second, the interview responses were categorized and assigned emotional values using the card sorting technique and multi-dimensional analysis (MDS). A total of 11 emotional values were derived through this process. Finally, a social network analysis was conducted in order to measure the density of relations among the emotional values. Results suggest that immersion, confidence, belongingness were the three highest values evaluated by participants. Furthermore, network diagrams imply that the stronger participants perceived social support and belongingness with others, the stronger their responsibility grew, further leading them to establish steady goals. In particular, the high eigenvector score for "desire for job" suggests that emotional values are sequentially connected to the immersion-social support-responsibility-goal-job desire. This sequence suggests that digital services that are developed with the aim to enhance social values such as the Kakao NEET Project may engender motivation and confidence in youth NEETs. The overall results suggest that a systematic approach to policymaking should be considered in order to provide fundamental solutions and expand opportunities for social participation and emotional comfort, as social isolation due to low self-esteem has been reported as one of the reasons for NEETs' failure in the labor market.
The purpose of this study was to identify the characteristics of village community media in Jeju by looking at the value that it's participants have experienced in the production process. Therefore, this study focused on the creation and production process of village community media, the specific value reflected in this process as well as how to activate and operate it sustainably through in-depth interviews with 12 media participants in Jeju community. As a result of the analysis, firstly, we were able to see that the migrants who are not the indigenous became the center of village community media creation in Jeju and they felt very personal 'fun', 'enthusiasm' and 'satisfaction'. It was also completely open to access and participate in village community media and its contents were filled with stories of everyday life of village residents and hidden stories of old people in the village that were not recorded. The characteristic of the production process of village community media was the horizontal communication and it reflected well the opinions of individual media participants even if it had a joint meeting. Second, as a result of examining the values applied to the production process by village community media participants, they regarded the connection of communication by voluntary participation and restoration of communities through activation of communication in functionalism as an important value. Finally, as a result of examining the challenges and development plans for sustainable management of community media in Jeju, it was required the active participation of village residents, ensuring space for village community media, providing insufficient broadcasting equipment, and the budget support from local governments, etc. It was once again confirmed that the provision of a support system for the stable activities of local governments is an urgent task for sustainable village community media.
This paper aims to analyze the rise and decline of Seattle Community Network(briefly SCN), an electronic community network based upon Seattle, U.S. from the perspective of 'social shaping of technology' theory rather than that of technological determinism That is, this paper focuses on the social processes of the evolution of SCN. And this paper considers SCN as one important element of the 'network society', a concept manufactured by Manuel Castells. SCN was built successfully over 10 years ago by some progressive local activists and volunteers. The main purpose of building SCN at that time was said to make local community stronger with the help of advanced information technology. This can be understood that the founders of SCN tried to shape the direction of network society development based on civil society's values including public access and commitment to democracy rather than those of private companies. After some years of successful working, however, SCN started to decline. The expansion of internet services and the booming of dot.com companies in the late 90's were the main factors that made SCN decline. In conclusion, it can be said that the socia-economic factors rather than technological factors gave birth to the rise and decline of SCN.
Kim, Bo Yeon;Ko, Jun-Cheol;Ko, Hyuck Joon;Park, Sung Eun;Cha, Hyung Kee;Choi, Han Gil
Korean Journal of Fisheries and Aquatic Sciences
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v.46
no.5
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pp.607-618
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2013
Marine macroalgal community structures and characteristics of ocean environmental factors were examined seasonally at four sites in Jeju Island, Korea, from March to November 2012. A total of 71 macroalgal species were identified, including 9 green, 7 brown, and 55 red algae. Peyssonnelia capensis occurred at all study sites and in all seasons. The average annual biomass of seaweed was 991.84 g wet $wt/m^2$, with seasonal variations from 543.80 g in autumn to 1,284.17 $g/m^2$ in summer. A green alga, Codium coactum, was the dominant species, occupying 21.31% (211.39 $g/m^2$) of the total algal biomass in Jeju Island. Subdominant species were Ecklonia cava and Lithophyllum okamurae, comprising 20.85% (206.75 $g/m^2$) and 19.64% (194.75 $g/m^2$), respectively, of the total algal biomass in Jeju Island. The vertical distribution of subtidal seaweeds was represented by L. okamurae at 5 m depth, C. coactum at 10 m depth, E. cava at 5-10 m depth and P. capensis at the 20 m depth level. In the present study, crustose coralline algae, which predominated on barren ground, were subdominant species at all study sites. Community indices varied between 0.51-0.63 for dominance index (DI), 5.53-8.14 for richness index (R), 0.51-0.63 for evenness index (J'), and 2.04-2.32 for diversity index (H'). On the basis of seaweed biomass and community indices, Sinchang was the best preserved coastal area, showing maximal values in biomass, and evenness- and diversity-indices, and minimal value in the dominance index, representing stable environmental conditions. In contrast, the Onpyung and Topyeong sites, located near tourist venues such as Udo and Seogwipo were relatively poor habitats based on community indices and biomass. The present results could imply that climate changes alter seaweed community structure, and long-term monitoring of the study sites is required.
Spatial and temporal changes of fish communities were studied at four study sites in the Cheonggye Stream from October 2005 to August 2006 after the rehabilitation process. During the survey period, 19 species in 6 families were sampled. Species Rhynchocypris oxycephalus and Zacco platypus were identified as dominant species. Korean endemic species such as Acheilognathus yamatsutae and Zacco koreanus were observed in the sites. Overall, species richness and abundance increased as time passes after the rehabilitation, reflecting colonization process of the fish community. Meanwhile species richness and abundance were higher at the downstream than at the upstream. Community indices such as dominant index, richness index and diversity index showed also similar spatial and temporal pattern. Nonmetric multidimensional scaling (NMDS), multivariate ordination technique, was used to analyze spatial and temporal variation of the fish communities, and the results showed spatial variation of fish communities with high species richness at downstream as well as the temporal variation of fish communities with high values of species richness and diversity index at later part of the study period, presenting colonization process of the fish community after the rehabilitation project.
In order to determine ecological niches of forests in Mt. UnJang, the studies were analyzed on the methods of TWINSPAN and DCCA ordination. The results are summarized as follows : Six communities determined by TWINSPAN : Fraxinus mandshurica, Cornus controversa, Acer mono, Carpinus tschonoskii, Carpinus tschonoskii - Quercus variabilis, and Quercus mongolica community. In the relations of major community and environmental factors, Fraxinus mandshurica, Cornus controversa, and Acer mono community were distributed valley or evenness in the rich of organic matter. Elevation was high comparatively. Carpinus tschonoskii and Carpinus tschonoskii - Quercus variabilis community were distributed in the low elevation, in rich of MgO and $CaCO_3$. Quercus mongolica community were distributed in the high elevation, in low of MgO, $CaCO_3$. The factors in influencing community distribution were elevation. The importance value in all the quadrats sampled, Quercus mongolica recorded the highest and the next values then came those Cornus controversa, Acer mono, Fraxinus mandshurica, Quercus variabilis, Carpinus tschonoskii, Acer pseudosieboldianum Lindera erythrocarpa, Styrax obassia and Lindera obtusiloba in the orders.
Journal of the Korean Institute of Landscape Architecture
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v.43
no.2
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pp.40-55
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2015
This study aims to evaluate the efficiency of the forest experience center for children led by the local community as experiential management for forest kindergarten education. For this, an importance and performance analysis was conducted on the forest experience center for children in Geumcheon-gu, which, of the 12 forest experience center for kids in Seoul, is the only one led by the local community. The questionnaire sheet for the analysis consisted of a total of 36 questions, 20 about place facility areas and 16 about management program areas(including 6 questions about the management led by the local community). The questionnaire survey was done during the period between January 12th and January 19th, 2015. The participants in the survey consisted of 15 forest education specialists and 50 teachers from 19 kindergartens who participated in the forest experience program. The number of questionnaire sheets collected and used for analysis was 13 copies and 43 copies, respectively. The mean values of importance and performance on the place facility areas were 4.07 and 3.78 for forest education specialists, and 4.16 and 3.84 for kindergarten teachers, respectively. The mean values of importance and performance regarding the management program area were 4.38 and 4.16 for forest education specialists, and 4.40 and 4.00 for kindergarten teachers, respectively. Both groups evaluated the place facility areas lower than the management program areas. They also evaluated performance lower than importance. In place facility area, 'accessibility', 'safety' and 'connectivity to forest trail', 'loose parts' and 'safety facilities' were required to 'keep up the good work', because they showed higher importance and performance in place facility areas. Even though most items of management as led by the local community including 'forest experience activity support' were evaluated as 'important', some, including 'effort for local revitalization', were evaluated as low in performance. However, as they were evaluated as higher in importance, if they pursue 'concentrate here', it is expected that they will be evaluated as higher in performance. In addition, considering that program areas including 'forest education specialist's role' are labeled under the management led by the local community, it reflected a positive evaluation. As a result, management led by the local community is efficient as a management system for the forest experience center for children in an experiential forest kindergarten education. Going forward, if this management system is durable in 'keep up the good work' and 'concentrate here', the forest experience center for children led by the local community will be an alternative for an effective experiential forest kindergarten education.
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