This study investigated species identification and labeling compliance of 48 shrimp products sold in the Korean online markets. Species identification was conducted using the standard DNA barcoding method, using the cytochrome c oxidase subunit I gene. The obtained sequences were compared with those deposited in the NCBI GenBank and BOLD Systems databases. Additionally, phylogenetic analysis was performed to further verify the identified shrimp species. Consequently, 16 shrimp species were identified, including Penaeus vannamei, Pandalus borealis, Palaemon gravieri, Leptochela gracilis, Penaeus monodon, Pleoticus muelleri, Metapenaeopsis dalei, Euphausia pacifica, Lebbeus groenlandicus, Trachypenaeus curvirostris, Argis lar, Metanephrops thomsoni, Metapenaeopsis barbata, Alpheus japonicus, Penaeus chinensis, and Mierspenaeopsis hardwickii. The most prevalent species was Penaeus vannamei, found in 45.8% of the analyzed products. A significant mislabeling rate of 72.9% was found; however, upon excluding generic names such as shrimp, the mislabeling rate reduced to 10.4%. The mislabeling rate was higher in highly-processed products (89.3%) compared with that in minimally-processed products (50%). No correlation was found between the country of origin and mislabeling rate. The results of this study provide crucial data for future monitoring of shrimp products and improving the labeling of shrimp species in Korea.

In this study, based on an analysis of two DNA barcode markers (cytochrome c oxidase subunit I and cytochrome b genes), we performed species identification and monitored labeling compliance for 50 commercial pufferfish products sold in on-line markets in Korea. Using these barcode sequences as a query for species identification and phylogenetic analysis, we screened the GenBank database. A total of seven pufferfish species (Takifugu chinensis, T. pseudommus, T. xanthopterus, T. alboplumbeus, T. porphyreus, T. vermicularis, and Lagocephalus cheesemanii) were identified and we detected 35 products (70%) that were non-compliant with the corresponding label information. Moreover, the labels on 12 commercial products contained only the general common name (i.e., pufferfish), although not the scientific or Korean names for the 21 edible pufferfish species. Furthermore, the proportion of mislabeled highly processed products (n = 9, 81.8%) was higher than that of simply processed products (n = 26, 66.7%). With respect to the country of origin, the percentage of mislabeled Chinese products (n = 8, 80%) was higher than that of Korean products (n = 26, 66.7%). In addition, the market and dialect names of different pufferfish species were labeled only as Jolbok or Milbok, whereas two non-edible pufferfish species (T. vermicularis and T. pseudommus) were used in six commercial pufferfish products described as JolboK and Gumbok on their labels, which could be attributable to the complex classification system used for pufferfish. These monitoring results highlight the necessity to develop genetic methods that can be used to identify the 21 edible pufferfish species, as well as the need for regulatory monitoring of commercial pufferfish products.

Injection molding is a process of shaping resin materials by heating them to a temperature above their melting point and then using a mold. The resin material is injected into and cooled within the mold cavity, solidifying into the desired shape. The core and cavity components that make up the mold cavity are crucial elements for the precision molding in injection molding. In the case of precision mold production, the application of 5-axis machining technology is required to ensure high machining quality for complex shapes, and among these factors, the tool angle is a critical machining condition that determines the surface roughness of the workpiece. In this study, we aim to measure the surface roughness of the machined surface of KP4A specimens during machining processes with variations in the tool angle and analyze the correlation between the tool angle and surface roughness.

This study seeks to increase the satisfaction of elderly men when purchasing and wearing ready-to-wear clothes by designing a slacks pattern suitable for their body type, which is determined by analyzing their lower bodies using virtual avatars and 3D virtual simulation system. The study found the following. First, based on virtual visualization of the comparison slacks pattern, the waistline position was consistently the lowest scored question among the evaluation survey items. Interpretation of this dissatisfaction suggests that, because the front waistline falls below the abdomen, the lower body, and especially the abdominal shape, is unpleasantly emphasized. Second, by using a virtual simulation system, the study developed a new slacks pattern that considered the concerns of elderly men. The primary measurement changes were as follows: front waist girth W/4+1.5cm+0.5cm, back waist girth W/4+1.5cm–0.5cm, front hip girth H/4+2.5cm–0.5cm, back hip girth H/4+2.5cm+0.5cm. Third, the new slacks pattern’s appearance was evaluated more highly than the comparison pattern, confirming the new pattern’s appropriateness for elderly men. This study demonstrates how slacks and other clothing patterns designed in a 3D virtual garment simulator can be used to design more appealing clothing for elderly men, increasing the satisfaction of wearing ready-made clothes at older ages.

This study investigated the nutritional characteristics of before and after fermentation of domestic soybean (Glycine max L.) by Rhizopus oligosporus. The soybean storage proteins, β-conglycinin (11S globulin) and glycinin (7S globulin), were the most abundant in Seonyu (SY) and Danbaegkong (DBK), with concentrations of 253.4 mg/g and 193.0 mg/g, respectively. For 11S/7S related to sulfur-containing amino acid, DBK had a value of 0.95, making it the most excellent nutritionally among all the cultivars. The free amino acid content significantly increased from 0.04~10.45 mg/g before fermentation to 1.37~16.95 mg/g after fermentation, and the essential amino acid composition increased, confirming an improvement in protein quality after fermentation. Phytic acid, known as a nutritional inhibitor of soybeans, decreased from 1.66~2.13 g/100 g before fermentation to 0.90~1.58 g/100 g after fermentation, suggesting that mineral absorption inhibition was alleviated. In addition, the trypsin inhibitor content is suppressed by 76.20% to 81.25% after fermentation, which is expected to improve protein utilization in the body. This study confirmed some properties of fermented products by Rhizopus oligosporus using domestic soybeans, and these results are presented to serve as the basic data for establishing new uses of Korean soybean cultivars.

본 연구는 대표적인 신유물론 학자인 Karen Barad의 행위적 실재론을 중심 으로 ICF에서 제시하는 코치의 8가지 핵심역량을 분석하고, 기후변화와 환경위 기에 대응하는 4세대 코칭을 위한 그 철학적인 기반을 제시하고자 탐색적 연구 를 실시하였다. 신유물론은 현대사상의 총아로 급부상하고 있으며, 그 대표 주 자인 Karen Barad의 행위적 실재론은 삶의 만남을 강조한다. Barad의 신유물론 적 관점에서 본 ICF 핵심역량의 개정은 첫째, 윤리-존재-인식론적 관점에서 응 답하는 실천적 존재로서 윤리적 책임을 강조한다. 둘째, 핵심역량이 명사형에서 동사형으로의 변형하여, 행위역능의 실천적 현상으로서 하기(doing)와 되기 (being)를 강조한다. 이 외에도 8가지 핵심역량은 Karan Barad가 이야기한 행위 적 실재론의 적용 가능성을 열어두었다. 단, 코치의 핵심역량이 인간중심적 세 계관에서 머물러 있고, 코치와 고객의 만남이 얽힘과 내부-작용에 집중하기 보 다는 이분법적 상호작용에 머물러 있는 한계점을 가지고 있다. 따라서 향후 기 후 및 생태계 위기에 대응-능력을 가지고 접근할 수 있는 핵심역량 및 코칭모델 의 제안이 필요할 것이며, 본 연구는 신유물론이라는 철학적 관점에서 코칭 핵 심역량과의 첫 만남을 시도하였다는 점에서 연구의 의의가 있다.

본 연구는 국내의 한우 개량에 있어서 정확한 혈통 정보가 중요해짐에 따라 고밀도 Single Nucleotide Polymorphism (SNP) chip의 SNP 정보들을 활용한 친자 확인으로 혈통 정보의 신뢰도 향상에 기여하고자 실시하였다. 이미 혈통 정보가 확인되고 Microsatellite (MS) 유전자형으로 친자 여부가 확인된 14개의 가계, 318두로 친자 확인 분석을 하였다. Call rate 100%인 마커들을 활용한 친자 확인 분석 결과, 9두가 모 부정, 19두가 완전 부정으로 총 28두가 부정으로 판정되었고, 이는 부모의 SNP 정보에서 나올 수 있는 조합과 다른 자식의 유전자형이 확인되었다. 이후, 친자 확인 정확도 향상을 위해 call rate와 minor allele frequency (MAF)를 기준으로 SNP 마커 수를 증가시켜 분석하였으나 부정으로 판정되는 개체들이 추가적으로 발생하였고, 이는 SNP 정보의 결측치 증가 및 자식의 유전자형 변이로 인한 것으로 판단된다. 따라서 고밀도 SNP chip을 활용한 친자 확인 분석에는 보다 신중한 접근이 필요하며, 본 연구 결과는 고밀도 SNP 정보를 이용한 친자 확인 연구에 있어서 기초자료로 활용될 수 있을 것으로 사료된다.

We conducted an on-site application study at the livestock cooperative fertilizer plant to compare the composting period, temperature change, moisture content, and chemical properties between livestock manure compost using sawdust as a moisture regulator with those using spent oyster mushroom substrate. The composting period, moisture content, and fertilizer composition of compost containing spent oyster mushroom substrate did not differ from that of conventional compost mixed with sawdust after the first and second fermentation and post-maturation stages, it was suitable as a material for manufacturing livestock manure compost. The spent oyster mushroom substrate also lower the production cost of livestock manure compost by replacing the more expensive sawdust. The developed technology is expected to contribute towards the utilization of by-products of the oyster mushroom harvest while simultaneously producing high quality livestock manure compost.

물질주의는 다양한 사회적 사건에 의해서 촉발될 수 있다. 본 연구에서는 물질주의를 정체성과 관련된 목표 달성 이라고 개념화하는 이론을 기반으로 사회적 배제가 자기 정체성과 관련된 욕구를 불러일으키며 이는 물질주의 수준 의 상승으로 이어질 것이라고 가정하였다. 구체적으로, 사회적 배제가 소속의 욕구와 통제의 욕구를 상승시켜 물질 주의를 상승시킬 것이라고 예상하였다. 또, 권력감의 접근 경향성을 기반으로 권력감이 높은 사람은 낮은 사람에 비해서 사회적 배제를 경험할 때 소속의 욕구와 통제의 욕구가 더 커질 것으로 예상하였다. 20 ̴30대 한국 여성 202 명을 대상으로 실험 연구를 진행한 결과, 사회적 배제는 통제 욕구의 상승을 통해서 물질주의를 상승시켰다. 또, 권 력감이 높은 사람의 경우, 권력감이 낮은 사람들보다 사회적 배제가 통제 욕구에 미치는 영향이 더 강해졌으며, 사회 적 배제가 통제 욕구를 통해 물질주의로 이어지는 경로는 권력이 높은 사람들에게만 유의했다. 사회적 배제는 소속 의 욕구를 상승시켰으나 소속의 욕구와 물질주의의 관계는 유의하지 않았고, 소속의 욕구의 매개 효과도 지지되지 않았다. 해당 결과를 기반으로 사회적 배제와 물질주의의 관계 및 연구의 한계에 대해 논의하였다.

Small hydropower systems have emerged as an attractive solution for areas with low head and flow rates, offering versatility for implementation in diverse locations such as rivers and wastewater treatment plants. This research specifically focuses on exploring the potential of small hydropower generation within wastewater treatment plants. Through the utilization of computational fluid dynamics (CFD) analysis, the study successfully predicted the torque and power generation capacity of the installed turbine. The analysis underscored the effective control of fluid flow achieved through careful turbine design, including considerations of blade shape and quantity. For instance, in the case of the Tancheon wastewater treatment plant, the study revealed the ability to generate a torque of approximately 7000 Nm, translating to an estimated power production of around 48.3 kW per hour. Ultimately, this research significantly contributes to evaluating the feasibility and viability of small hydropower generation within wastewater treatment plants.

본 연구는 인체 및 온혈 동물의 기회감염 병원세균으로 알려진 Pseudomonas oryzihabitans에 의한 양파 구에 발생한 중심 흑화병의 첫 보고이다. 본 연구의 목적은 양파 구 흑화병을 일으키는 원인 병원체를 분리 및 동정하고 미생물학적 특성을 조사하는데 있다. 2021년 국내 양파 구에서 소비자 혐오감을 유발할 수 있는 세균 흑화병이 관찰되었다. 흑갈색 색소가 침착된 조직과 흑색 색소 과육 조직에서 그람음성, 비포자형성, 막대형 pseudomonad들이 분리되었다. 병원성 검정을 통해 형성된 인공 감염후 발생한 증상은 자연 감염과 같았고 멸균 증류수를 처리한 음성 대조구에서는 흑화병이 발견되지 않았다. 병원성 검정, API (analytical profile index) 시험, MALDI-TOF MS (Whole-cell matrix-assisted laser desorption/ionization time-of-flight mass spectrometry), 16S rRNA 유전자 영역 염기서열분석 및 유전적 유연관계분석을 통해 원인 병원체를 Pseudomonas oryzihabitans로 동정하였다. 대규모 포장 또는 수확후병으로 인한 양파 피해사례가 보고된 적은 없지만, 본 연구에서 얻은 결과는 P. oryzihabitans가 잠재적으로 양파의 글로벌 생산 및 운송과 식품 안전을 위협할 수 있음을 시사한다. 또한 인체 기회감염 병원체이기 때문에 양파로부터 언제든지 인체로 감염될 수 있는 위험성을 갖고 있다고 볼 수 있다.

Jang, Ji Young. (2023). “A Study of Apology Strategy Realized in Apology Text of Public Figure: Focusing on the Impact on Public Evaluation”. The Sociolinguistic Journal of Korea, 31(2), 59-93. The purpose of this study is to examine how the apology strategy used in the apology text of public figure affects the public's evaluation of the apology. Based on the losing face and saving face of the speaker and listener, the framework of the apology strategy was presented, and based on this, which apology strategy was used in the actual apology text. In addition, the public's evaluation of each apology was presented, and based on the analysis, the apology was divided into a positive apology and a negative apology, and compared and analyzed which apology strategy was used in each apology. The more the apology strategy was used to save the listener's face by damaging the speaker's face, the more the public evaluated the apology positively the more they did not use the strategy of saving the speaker's face and damaging the listener's face. On the other hand, apologies using strategies that save the speaker's face and damage the listener's face are negatively evaluated despite the use of strategies that damage the speaker's face. In other words, the apology strategy realized in the apology text is an important factor in determining the public's evaluation.

In Korea, reliable and affordable individual health information is obtained through national health examinations, which can be actively utilized in community health services based on examination data. The purpose of this study is to analyze national health examination data in order to identify the health behavior and health status of the elderly, and to incorporate the examination results into home visiting healthcare services provided at health centers. Methods: This study is a cross-sectional survey that analyzed the national health examination data of 2018 using the National Health Insurance Service-National Health Information Database. Data analysis was conducted using the SAS program. The overall results of the health examinations were presented in terms of frequency and percentage. Results: The national health examination rate was 72.6%, and 97% of the examinees had health needs such as improving health behavior and managing diseases. It was found that 52.2% of patients had high blood pressure, followed by diabetes and dyslipidemia. The health data generated from the national health examination includes information relevant to home visiting healthcare services. Conclusion: By utilizing health data generated from national health examinations, the process of collecting data in home visiting healthcare services can be simplified. By focusing on providing customized services, it will be possible to increase the efficiency of home visiting healthcare services.

A novel L. harbinensis VF was isolated from fermented vinegar and identified through biochemical characteristics and 16S rRNA sequencing analysis. Characteristics of probiotics were studied for acid and bile salt tolerances, hemolytic activity, antibiotic resistance, antimicrobial activity, cell surface hydrophobicity, and aggregation. The survival rates of the isolate were maintained at 68.9% and 95.6% after 3 h incubation at pH 2.0 and 2.5 and were over 74% at bile salt concentrations of 0.3% and 0.5%. The hemolytic activity was confirmed to be -hemolysis. The isolate showed broad antibiotics-resistance in over 12 antibiotics except for trimethoprim/sulfamethoxazole, compared to L. plantarum (KCTC 3108), used as control, and previously reported L. harbinensis. Antimicrobial activity was confirmed against pathogens, B. cereus, E. coli O157:H7, L. monocytogenes, and S. typhimurium, except S. aureus, and it was attributed to produced organic acids (low pH). The hydrophobicity for xylene and chloroform were 16.7% and 20.4%, respectively, lower than those of L. plantarum (41.2% & 49.9%). The auto-aggregation and coaggregation with pathogens were 83.8% and 49.2-87.6% at 24 h incubation, respectively, higher than those of L. plantarum. From this study, L. harbinensis VF is likely to be used as a probiotic strain and is a strong candidate for commercial application.