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Current use of growth hormone in children (성장호르몬 치료의 최신 지견)

  • Shin, Choong Ho
    • Clinical and Experimental Pediatrics
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    • v.49 no.7
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    • pp.703-709
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    • 2006
  • Since the advent of growth hormone(GH), children with a wide variety of growth disorders have received GH treatment. In GH deficiency(GHD), Turner syndrome, chronic renal failure, children born small for gestational age, Prader-Willi syndrome, and idiopathic short stature, the therapeutic effects and safety profile of GH are reviewed. GH therapy has been clearly shown to improve height velocity and final adult height in a variety of pediatric conditions in which growth is compromised irrespective of GHD. Early initiation and individualization of GH treatment has the potential to normalize childhood growth. The supra-physiological doses of GH have been shown to increase height velocity during childhood and final height in non-GHD conditions. Adverse events during GH therapy are uncommon and often not drug related. However continued surveillance into adult life is crucial, especially in children receiving supra-physiological doses or whose underlying condition increases their risk of adverse effects.

Simulating the Lyman-Alpha Forest with Massive Neutrinos and Dark Radiation for Large-Volume Surveys

  • Rossi, Graziano
    • The Bulletin of The Korean Astronomical Society
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    • v.44 no.1
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    • pp.57.1-57.1
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    • 2019
  • In support of current and upcoming large-volume cosmological surveys such as the SDSS-IV eBOSS, LSST, and DESI, we present an extensive suite of high-resolution cosmological hydrodynamical simulations spanning a large range of cosmological and astrophysical parameters. We follow the evolution of gas, dark matter, neutrinos, and dark radiation, and consider several combinations of box sizes and number of particles - enhancing the resolution up to $3{\times}33283=110$ billion particles in a (100 h-1 Mpc)3 box size. We also provide 100,000 skewers for a variety of redshift slices and combination of cosmological and astrophysical parameters, useful for interpreting upcoming high-quality $Lyman-{\alpha}$ forest data. These novel simulations represent an improvement over our previous runs, and can be useful for a broader variety of cosmological and astrophysical applications, ranging from the three-dimensional modeling of the $Lyman-{\alpha}$ forest to cross-correlations between different probes, for studying the expansion history of the Universe including massive neutrinos, and for particle-physics related topics.

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A Variety of Particles Including Tire Wear Particles Produced on the Road

  • Jung, Ui Yeong;Choi, Sung-Seen
    • Elastomers and Composites
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    • v.56 no.2
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    • pp.85-91
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    • 2021
  • In this study, different types and shapes of various particles produced on the asphalt pavement road were analyzed. Road dust at a bus stop was collected and was separated as per their sizes by using a sieve shaker. Tire-road wear particles (TRWPs), asphalt pavement wear particles (APWPs), mineral particles, plant-related particles, glass beads, glass particles, road paint wear particles, plastic particles, and fibers were observed herein. The types and shapes of the particles varied depending on their sizes. TRWPs larger than 500 ㎛ were not observed. TRWPs with a size of 212-500 ㎛ were rarely present, but many TRWPs with a size smaller than 212 ㎛ were observed. APWPs were observed for whole-particle sizes of below 1,000 ㎛. A variety of particles on the road would lead to lower friction between the tires and the road, thereby increasing the braking distance of vehicles. Most of the particles include mineral particles, glass particles, and APWPs with rough surfaces. Therefore, the abrasion of the tire tread would accelerate owing to friction with the tough particles.

Research data repository requirements: A case study from universities in North Macedonia

  • Fidan Limani;Arben Hajra;Mexhid Ferati;Vladimir Radevski
    • International Journal of Knowledge Content Development & Technology
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    • v.13 no.1
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    • pp.75-100
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    • 2023
  • With research data generation on the rise, Institutional Repositories (IR) are one of the tools to manage it. However, the variety of data practices across institutions, domains, communities, etc., often requires dedicated studies in order to identify the research data management (RDM) require- ments and mapping them to IR features to support them. In this study, we investigated the data practices for a few national universities in North Macedonia, including 110 participants from different departments. The methodology we adopted to this end enabled us to derive some of the key RDM requirements for a variety of data-related activities. Finally, we mapped these requirements to 6 features that our participants asked for in an IR solution: (1) create (meta)data and documentation, (2) distribute, share, and promote data, (3) provide access control, (4) store, (5) backup, and (6) archive. This list of IR features could prove useful for any university that has not yet established an IR solution.

Leveraging Rice Genetic Diversity: Connecting the Genebank to Mainstream Breeding

  • J. Damien Platten
    • Proceedings of the Korean Society of Crop Science Conference
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    • 2022.10a
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    • pp.31-31
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    • 2022
  • Rice contains a wealth of genetic diversity, both within Oryza sativa and in related A-genome species. Decades of genetic research into this diversity have identified dozens of major genes contributing to a wide variety of important traits, including disease resistance, abiotic stress tolerance (drought, salinity, submergence, heat, cold etc.), grain quality, flowering date and maturity and plant architecture. Yet despite these opportunities, very few of the major genes and QTLs known have been successfully applied through rice breeding programs to produce sustained changes in farmer's fields. This presentation will briefly examine some of the factors limiting application of major genes in the mainstream breeding programs, and steps that have been taken to alleviate those limitations. As a result of these interventions, dozens of major genes that were previously unavailable to breeders are now being used confidently in the variety development process. Case studies will be discussed of genes critical for blast resistance worldwide, rice yellow mottle virus for Africa, and new validated QTLs for salinity tolerance.

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Consumers' Reaction, Perceives Benefits and Risk When Purchasing Apparel through Cable TV Home-Shopping (케이블TV 홈쇼핑을 통한 의복구매시 소비자 반응과 추구이점 및 위험지각)

  • 김주영;구양숙
    • Journal of the Korean Society of Clothing and Textiles
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    • v.21 no.6
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    • pp.1082-1093
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    • 1997
  • The purpose of this study was to identify characteristics and consumer attitude on purchasing apparel through Cable TV home-shopping. The questionnaire was administered to 4y5 May through September in 1996 and the data were analyzed by using frequency, factor analysis, crosstab, 1-test, ANOVA, MANOVA, scheffe with utilizing SPSS/PC+ The results of this study were as follows: 1. The most favorite media in purchasing apparel through home-shopping was Cable TV in all over ages except 50's. Women showed Cable TV the most interested, whereas men showed printed media and computer on-line shopping as home shopping media. 2. Home-shopping favor in region' was higher than that of Seoul. In the degree of favor, college students showed the highest, followed by part time employees, housewives and full time employees. Those who lived individual houses in other than Seoul area showed higher purchasing intention. 3. Sweater item was shown as the highest purchasing interested item and coat/business suit items were shown as lower among 10 different apparel items. 4. Five dimensions of Perceived benefits of apparel purchasing through Cable TV were derived by factor analysis such as variety of merchandise information, purchase convenience, efficiency, saving time, and convenience of physical inactivity. The convenience of physical inactivity showed the most important benefit through Cable TV home-shopping. Perceived risk of apparel purchasing through Cable TV was factor analyzed as merchandise related risk, size and appearance related risk, delivery related risk, TV watching related risk, and unplanned purchasing related risk. The sixte and appearance related risk was shown as the highest risk.

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Effects of eating habits, activities of daily living and health behaviors on oral health related-quality of life in elderly persons (노인의 식습관, 일상생활수행능력 및 건강행위가 구강건강 관련 삶의 질에 미치는 영향)

  • Han, Jung-Hee;Yom, Young-Hee
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.19 no.2
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    • pp.179-189
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    • 2012
  • Purpose: The purpose of this study was to identify the effects of eating habits, activities of daily living and health behaviors on oral health related-quality of life in elders. Methods: The sample consisted of 246 people 65 years or older. Data were analyzed using frequency, percentage, average standard deviation, t-test, ANOVA, Scheff$\acute{e}$, Pearson Correlation Analysis and Hierarchical Multiple Regression. Results: The control variables such as gender, presence of a spouse, subjective health status, presence of chronic disease and existing number of teeth explained 14% (F=7.76, p<.001) of variance in oral health related-quality of life. The control variables, eating habits, activities of daily living and health behaviors collectively explained 20% of variance in oral health related quality of life. Conclusions: The factors that influence oral health related quality of life were presence of spouse presence factor, existing number of teeth and health behavior. Therefore, oral health related quality of life of elders requires the development of programs to boost the quality of life, and help the elderly people to maintain existing number of teeth by focusing on the variety of characteristics.

Study on Preferences for Food-related Activity Experience based on Novelty-Seeking in Tourism (신기성 추구유형에 따른 음식관련 체험활동 선호도 연구)

  • Lee, In-Ok;Kim, Tae-Hee
    • Journal of the Korean Society of Food Culture
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    • v.30 no.4
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    • pp.413-421
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    • 2015
  • A travel destination offers a form of novelty to the traveler since it can provide experiences that are not of the everyday variety. Therefore, a search for novelty is important as a motivation factor when planning leisure trips and vacation activities and to identify travel market segments. This study aimed to examine the differences in demographic characteristics, travel style, and preferred food-related activities in accordance with the level of tourists' novelty seeking. This study investigated potential tourists using a self-administered questionnaire survey, which resulted in 300 usable questionnaires. The respondents of this study were classified into two groups according to their level of novelty seeking: Active novelty-seeking group and Passive novelty-seeking group. These two groups were significantly different with respect to demographic characteristics, travel style, and preference of food-related-activity experience. The results show that the Active novelty-seeking group tended to have a higher proportion of females and specialized jobs, a higher level of monthly income and education, more frequent travel, and preference for food-related activity experience than other groups. The result of this study will be helpful for the tourist industry, which needs to develop culinary and food-related experience tour programs and travel market segments.

Utilization of Artificial Intelligence in the Sports Field (스포츠 현장에서 인공지능 활용 방안)

  • Yang, Jeong Ok;Lee, Jook Sook
    • Korean Journal of Applied Biomechanics
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    • v.32 no.3
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    • pp.69-79
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    • 2022
  • Objective: The purpose of this study is to analyze trends related to sports and artificial intelligence (AI) to understand the trends and how they change according to time, and to establish methods to apply AI in sports. Both macro and micro perspectives related to sports utilization of AI were analyzed. Method: In this study, after analyzing and discussing various information related to the use of artificial intelligence in the sports through a search of academic journals, papers, books, and websites published recently at nationally and internationally, the application plan of artificial intelligence in the sports field was presented. Results: 1) Motion analysis technology using artificial intelligence is effective in sports where posture is important, and if it provides systematic feedback and training methods, it can help improve performance. 2) The introduction of a sports referee judgment system using artificial intelligence is expected to improve performance by restoring factual judgment and objective fairness in sports games. 3) Artificial intelligence will provide coaching staff and players with a variety of information to help improve performance through systematic coaching and improving feedback and enhanced training methods. 4) It is judged that artificial intelligence-related to sports ethics, sports ICT, sports marketing, sports prediction, etc. We think that based on the current AI research trends will have a positive impact on all sports-related areas, helping to revitalize sports. Conclusion: Motion analysis technology using artificial intelligence, sports referee judgment system, coaching using artificial intelligence, and artificial intelligence are judged to have a positive effect on all sports-related areas and help revitalize sports.

Seafood Distribution-Structure Change and Government Policies of Japan (일본 수산물 유통구조의 변화와 정책 대응)

  • Lou, Xia-Bo;Song, Jung-Hun;Lee, Eun-Hee;Harada, Sachi-Ko
    • The Journal of Fisheries Business Administration
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    • v.39 no.1
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    • pp.1-16
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    • 2008
  • For the last few years, the wholesale market system in Japan has been experiencing a lot of changes in the related sectors. The greatest changes in the environments surrounding the wholesale market were enlargement of the producers' cooperatives, increase of fisheries products marketed in the outside of the wholesale market system, and management aggravation of the related businessmen, These changes resulted in the revision of the wholesale Market Law in 1999 to cope with the social needs successfully. Recently, fisheries wholesale markets in Japan have a few problems like declining of earning power, weakening of management constitution, etc. Consequently, Japanese government presents policy for enforcing the competition power through reform laws related with fisheries wholesale markets. Also the fisheries wholesale markets have been trying variety and active countermeasures like undertaking, merger, coalition, etc. to overcome the crisis.

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