• Title/Summary/Keyword: bio-industry

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Relationship between the fruit size and the quality properties of imported Valencia oranges (수입 Valencia 오렌지의 크기와 품질특성의 상관성)

  • Jo, Deokjo;Yoo, Seong-Yeol;Park, Joo-Hyeon;Gao, Yaping;Kim, Seul-Gi;Lee, Jea-Young;Kwon, Eun-Jin;Kwon, Joong-Ho
    • Food Science and Preservation
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    • v.21 no.3
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    • pp.365-372
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    • 2014
  • Imported Valencia oranges were evaluated to determine the relationship between the fruit size and its quality. The orange size was classified into three groups on a commercial basis: small ($140{\sim}160g/113{\pm}5$ fruit/box), medium ($190{\sim}220g/88{\pm}5$ fruit/box), and large ($250{\sim}280g/72{\pm}5$ fruit/box). The physicochemical and sensory properties were analyzed to evaluate the orange quality. No significant difference in the peel thickness and flesh ratio was detected across the fruit sizes. The juice yield of the medium-sized orange and the TSS/TA ratios of the medium-sized and large oranges showed the highest value, respectively (p<0.05). The large orange had the highest vitamin C content, which was positively correlated with both its DPPH and ABTS radical scavenging abilities (p<0.05). In the sensory evaluation of the fruits and their juice, the scores for sourness and overall preference were significantly higher in the medium-sized and large oranges than in the small ones. The total soluble solids, total acidity, TSS/TA ratio, and reducing sugar content were significantly related to the sensory properties. Finally, the quality and sensory properties were considered superior in the medium-sized and lager Valencia oranges. Further studies on the effects of the variety and origin of Valencia oranges on their quality and sensory properties are required.

Feeding Habits of the Sandfish, Arctoscopus japonicus in the Coastal Waters of East Sea, Korea (한국 동해 연안에 출현하는 도루묵(Arctoscopus japonicus)의 식성)

  • Jin, Suyeon;Kim, Do-Gyun;Seong, Gi Chang;Kang, Da Yeon;Lee, Ju Eun;Park, Hyun-sol;Yang, Hye-jin;Soh, Ho Young;Baeck, Gun Wook
    • Korean Journal of Ichthyology
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    • v.34 no.2
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    • pp.113-118
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    • 2022
  • The feeding habits of sandfish, Arctoscopus japonicus were studied using 781 specimens collected by Eastern Sea Danish and gill net from January 2020 to December 2021 in the coastal waters of East Sea, Korea. The size of the specimens ranged from 14.8 to 25.4 cm in total length. A. japonicus were fed mainly on amphipods that constituted 54.7% in IRI. Cephalopods were the second largest prey component. The diets also include small quantities of euphausiids, crabs, shrimps, fishes, and worms. The diet composition of A. japonicus showed changes in season. The cephalopods feeding rate was highest in summer, whereas the proportion of euphausiids was higher in spring than in other seasons. The proportion of cephalopods has increased as the body size of A. japonicus increased, whereas the proportion of amphipods and euphausiids decreased gradually. As the body size of A. japonicus increased the mean weight of prey per the stomach (mW/ST) tended to increase significantly (One-way ANOVA, P<0.05).

Implementation of the Methodology for BioAPI Conformance Test (BioAPI v2.0 표준적합성 시험방법 개발 및 구축)

  • Shin, Woo-Chang
    • Journal of Information Technology Services
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    • v.10 no.3
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    • pp.179-188
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    • 2011
  • Biometrics is one of promising future technologies within personal identification area, and its application stretches to other variety industry site. Therefore it is necessary to test whether these products are implemented in conformance withe the BioAPI international standard specification. This paper presents the specific construction and application examples of BioAPI v2.0 conformance test suite according to the method described in ISO/IEC 24709. The problems and experience that have been discovered in the construction are described. Three BSP products claiming conformance to BioAPI was tested by proposed the test methodology and tools.

Characteristic of Makgeolli and Pine (Pinus koraiensis) Extract Fermentation (소나무 (Pinus koraiensis) 추출물과 결합 된 막걸리 발효의 특징)

  • Destiani, Supeno;Kwo, Soon Hong;Chung, Sung Won;Kwon, Soon Goo;Park, Jong Min;Kim, Jong Soon;Choi, Won Sik
    • Journal of the Korean Society of Industry Convergence
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    • v.20 no.5
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    • pp.377-383
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    • 2017
  • In this research, the improvement of Korean rice wine (makgeolli) with pine (Pinus koraiensis) extract addition was evaluated due to the increase in alcoholic Korean traditional beverage. Makgeolli fermentation was prepared using Korean rice and nuruk (traditional starter) supplemented by pine needle (MPN) and pine sprout (MPS) extract. The average of initial pH level for MPN was 3.95 and MPS was 4.55, the average of initial sugar content for MPN was 0.4% and MPS was 0.3%. The sugar content and pH level behavior were investigated every 24h during fermentation period. The observation of microbial colony was done at days 8 of fermentation period with three time sample dilution. Afterward, the physical appearance of fermentation solution and microbial development were investigated in the final of fermentation period. The number of yeast and LAB ($402{\times}103\;CFU/mL$) in MPN was greater than the yeast and LAB count in MPS ($224{\times}103\;CFU/mL$). The pH level obtained by addition pine sprout have value of R2 higher than addition of pine needles (leaf), the sugar content (%) behaviour was opposite with pH level behaviour.

A Study on the Convergence Education Process for the Fourth Industrial Revolution - Healing Bio Sciences Consortium Convergence Healing Major Focus - (4차 산업혁명을 대비하는 융합교육과정에 관한 연구 : 힐링바이오공유대학 융합치유전공 중심으로)

  • Lee, Jin-Hong;Song, Deok-Geon;Kwon, Hyuk
    • Journal of Engineering Education Research
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    • v.22 no.6
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    • pp.28-39
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    • 2019
  • In order to improve this, Korean universities should reorganize their curriculum such as job system research and job - based program development according to the demand of industry in order to improve their working ability due to the decrease of the school - age population and the youth unemployment rate. In this study, first, conceptualization of friendly education and definition of industry - university cooperation and analysis of cases related to friendly - educational cooperation between industry and academia, second, analysis of fusion healing majors in Healing Bio - I want to conduct research. Konkuk University Healing Bioresource College conducted a survey based on demand such as experts and industry for the development of industry - academic cooperation - friendly curriculum. As a result of this process, I developed a curriculum development committee to study the internal and external environment through the literature survey, focus group interviews, and Delphi research. The purpose of this study is to develop competitiveness curriculum reflecting competitiveness of human resource development in Korea, to develop competitiveness curriculum that reflects customized opinions of societal demand, to organize systematic curriculum to have practical ability, to strengthen the employment link through development of curriculum in accordance with the direction of human resources development, We will make contribution to build the system of operation from the center to the consumer center, evaluation of the practical ability through the curriculum and the feedback system.

The Actin-Related Protein BAF53 Is Essential for Chromosomal Subdomain Integrity

  • Lee, Kiwon;Kim, Ji Hye;Kwon, Hyockman
    • Molecules and Cells
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    • v.38 no.9
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    • pp.789-795
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    • 2015
  • A chromosome territory is composed of chromosomal subdomains. The internal structure of chromosomal subdomains provides a structural framework for many genomic activities such as replication and DNA repair, and thus is key to determining the basis of their mechanisms. However, the internal structure and regulating proteins of a chromosomal subdomain remains elusive. Previously, we showed that the chromosome territory expanded after BAF53 knockdown. Because the integrity of chromosomal subdomains is a deciding factor of the volume of a chromosome territory, we examined here the effect of BAF53 knockdown on chromosomal subdomains. We found that BAF53 knockdown led to the disintegration of histone H2B-GFP-visualized chromosomal subdomains and BrdU-labeled replication foci. In addition, the size of DNA loops measured by the maximum fluorescent halo technique increased and became irregular after BAF53 knockdown, indicating DNA loops were released from the residual nuclear structure. These data can be accounted for by the model that BAF53 is prerequisite for maintaining the structural integrity of chromosomal subdomains.

Species composition of larval fishes in the eastern Jinhae Bay, Korea (진해만 동부해역에 출현하는 자치어의 종조성)

  • KIM, Hyeon Ji;JEONG, Jae Mook;PARK, Jong Hyeok;HUH, Sung-Hoi;BAECK, Gun Wook
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.54 no.1
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    • pp.81-88
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    • 2018
  • A study for species composition and abundance of the fish assemblages in the eastern Jinhae Bay, Korea was conducted using monthly larval collection by a RN80 net from October, 2010 to September, 2011. Of all the 45 species collected, the dominant species were Clupea pallasii, Hexagrammos otakii, Pholis fangi and Engraulis japonicus. Clupea pallasii, Hexagrammos otakii, Pholis fangi in winter and examined Engraulis japonicus, Acanthogobius sp., Parablennius yatabei, and Tridentiger trigonocephalus in summer appeared seasonally. Popoulation characteristic by stations was not clear seasonally and spatially, and appearance aspects of dominant species were similar by stations. Compared our results with other studies in the South Sea, dominant species and their appearance period were similar to their spawning period. Finally, the appearance period of the larvae in the South Sea was closely resulted to spawning period rather than the regional characteristic.