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| WoS | SCOPUS | Document Type | Document Title | Abstract | Authors | Affiliation | ResearcherID (WoS) | AuthorsID (SCOPUS) | Author Email(s) | Journal Name | JCR Abbreviation | ISSN | eISSN | Volume | Issue | WoS Edition | WoS Category | JCR Year | IF | JCR (%) | FWCI | FWCI Update Date | WoS Citation | SCOPUS Citation | Keywords (WoS) | KeywordsPlus (WoS) | Keywords (SCOPUS) | KeywordsPlus (SCOPUS) | Language | Publication Stage | Publication Year | Publication Date | DOI | JCR Link | DOI Link | WOS Link | SCOPUS Link |
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| ○ | ○ | Proceedings Paper | Indoor Positioning Method Based on Optimal Channel State Information Subcarrier | With the development of Wi-Fi technology, the IEEE 802.11n series communication protocol and the subsequent wireless LAN protocols use multiple-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM) and other technologies. Channel characteristics between Wi-Fi transceivers can be estimated at the physical layer and stored in the form of channel state information (CSI). However, the propagation of CSI is still affected by indoor multiple paths, and we cannot obtain signals in some corner areas. Therefore, CSI needs a good calibration method to improve the accuracy of the position estimation system. This paper presents an optimal subcarrier screening algorithm. Then the indoor ranging model is fitted based on the CSI subcarrier selected by the algorithm. This paper also provides experimental comparisons of our proposed data generation method with existing indoor ranging methods. Experimental results show that the proposed data generation approach achieves significant ranging accuracy improvement over using the effective CSI ranging method, while it incurs much less computational complexity. Meanwhile, the algorithm improves the influence of multiple paths in a complex indoor environment on location, and the method can obtain more accurate location results. | Wang, Jingjing; Peng, Jishen; Hwang, Jun Gyu; Park, Jaewoo; Park, Joon Goo | Kyungpook Natl Univ, Elect & Elect Engn, Daegu, South Korea | 57202161515; 57222517328; 55816210200; 57222515659; 24329712800 | wjj0219@naver.com;pjs951121@naver.com;cjstk891015@naver.com;jwpark1218@naver.com;jgpark@knu.ac.kr; | 2021 INTERNATIONAL CONFERENCE ON ELECTRONICS, INFORMATION, AND COMMUNICATION (ICEIC) | 0.24 | 2025-07-30 | 2 | 2 | Channel State Information; Optimal Subcarriers; Ranging Model; Indoor Localization | Channel State Information; Indoor Localization; Optimal Subcarriers; Ranging Model | IEEE Standards; Indoor positioning systems; MIMO systems; Orthogonal frequency division multiplexing; Position measurement; Radio transceivers; Wi-Fi; Wireless local area networks (WLAN); Calibration method; Channel characteristics; Experimental comparison; Indoor environment; Indoor positioning; Position estimation system; Screening algorithms; Wi-Fi - Technology; Channel state information | English | 2021 | 2021 | 10.1109/iceic51217.2021.9369726 | 바로가기 | 바로가기 | 바로가기 | ||||||||||||||
| ○ | Review | Indoor versus outdoor transmission of SARS-COV-2: environmental factors in virus spread and underestimated sources of risk | The first case of Coronavirus Disease 2019 (COVID-19), which is caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), in Europe was officially confirmed in February 2020. On 11 March 2020, after thousands of deaths from this disease had been reported worldwide, the WHO changed their classification of COVID-19 from a public health emergency of international concern to a pandemic. The SARS-CoV-2 virus has been shown to be much more resistant to environmental degradation than other coated viruses. Several studies have shown that environmental conditions can influence its viability and infectivity. This review summarizes current knowledge on the transmission pathways of the novel coronavirus, and directs attention towards potentially underestimated factors that affect its propagation, notably indoor spread and outdoor risk sources. The contributions of significant indoor factors such as ventilation systems to the spread of this virus need to be carefully ascertained. Outdoor risk sources such as aerosolized particles emitted during wastewater treatment and particulate matter (PM), both of which may act as virus carriers, should be examined as well. This study shows the influence of certain underestimated factors on the environmental behavior and survival of the SARS-CoV-2 virus. These aspects of coronavirus propagation need to be accounted for when devising actions to limit not only the current pandemic but also future outbreaks. Graphic abstract: [Figure not available: see fulltext.] © 2021, The Author(s). | Senatore, Vincenzo; Zarra, Tiziano; Buonerba, Antonio; Choo, Kwang-Ho; Hasan, Shadi W.; Korshin, Gregory; Li, Chi-Wang; Ksibi, Mohamed; Belgiorno, Vincenzo; Naddeo, Vincenzo | Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II, Salerno, Fisciano, Italy; Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II, Salerno, Fisciano, Italy; Inter-University Centre for Prediction and Prevention of Relevant Hazards (C.U.G.RI.), Via Giovanni Paolo II, Salerno, Fisciano, Italy; Department of Environmental Engineering, Kyungpook National University (KNU), 80 Daehak-ro, Buk-gu, Daegu, 41566, South Korea; Center for Membranes and Advanced Water Technology (CMAT), Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Department of Civil and Environmental Engineering, University of Washington, P.O. Box 352700, Seattle, 98105-2700, WA, United States; Department of Water Resources and Environmental Engineering, Tamkang University, 151 Yingzhuan Road Tamsui District, New Taipei City, 25137, Taiwan; Laboratoire de Génie de L’Environnement et Ecotechnologie, GEET-ENIS, Université de Sfax, Route de Soukra km 4, P.O. Box 1173, Sfax, 3038, Tunisia; Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II, Salerno, Fisciano, Italy; Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, Via Giovanni Paolo II, Salerno, Fisciano, Italy | 57219694936; 16176861400; 36670901300; 7102083272; 35738779100; 7003696629; 56621869300; 6603228695; 6508019638; 57225215311 | vnaddeo@unisa.it; | Euro-Mediterranean Journal for Environmental Integration | EURO-MEDITERR J ENVI | 2365-6433 | 2365-7448 | 6 | 1 | ESCI | ENVIRONMENTAL SCIENCES | 2021 | N/A | 1.08 | 2025-07-30 | 50 | Aerosolized particle; Air pollution; COVID-19; SARS-CoV-2; Transmission pathways; Ventilation system; Wastewater | English | Final | 2021 | 10.1007/s41207-021-00243-w | 바로가기 | 바로가기 | 바로가기 | |||||||||
| ○ | ○ | Article | Inflammatory responses of C57BL/6NKorl mice to dextran sulfate sodium-induced colitis: comparison between three C57BL/6 N sub-strains | Background Inflammatory bowel disease (IBD), including both Crohn's disease and ulcerative colitis, are chronic human diseases that are challenging to cure and are often unable to be resolved. The inbred mouse strain C57BL/6 N has been used in investigations of IBD as an experimental animal model. The purpose of the current study was to compare the inflammatory responsiveness of C57BL/6NKorl mice, a sub-strain recently established by the National Institute of Food and Drug Safety Evaluation (NIFDS), with those of C57BL/6 N mice from two different sources using a dextran sulfate sodium (DSS)-induced colitis model. Results Male mice (8 weeks old) were administered DSS (0, 1, 2, or 3%) in drinking water for 7 days. DSS significantly decreased body weight and colon length and increased the colon weight-to-length ratio. Moreover, severe colitis-related clinical signs including diarrhea and rectal bleeding were observed beginning on day 4 in mice administered DSS at a concentration of 3%. DSS led to edema, epithelial layer disruption, inflammatory cell infiltration, and cytokine induction (tumor necrosis factor-alpha, interleukin-6, and interleukin-1 beta) in the colon tissues. However, no significant differences in DSS-promoted abnormal symptoms or their severity were found between the three sub-strains. Conclusions These results indicate that C57BL/6NKorl mice responded to DSS-induced colitis similar to the generally used C57BL6/N mice, thus this newly developed mouse sub-strain provides a useful animal model of IBD. | Kim, Sou Hyun; Kwon, Doyoung; Son, Seung Won; Jeong, Tae Bin; Lee, Seunghyun; Kwak, Jae-Hwan; Cho, Joon-Yong; Hwang, Dae Youn; Seo, Min-Soo; Kim, Kil Soo; Jung, Young-Suk | Pusan Natl Univ, Coll Pharm, Busan 46241, South Korea; Kyungsung Univ, Coll Pharm, Brain Busan 21 Plus Program, Busan, South Korea; Korea Natl Sport Univ, Exercise Biochem Lab, Seoul, South Korea; Pusan Natl Univ, Dept Biomat Sci, Coll Nat Resources & Life Sci, Life & Ind Convergence Res Inst, Miryang, South Korea; Daegu Gyeongbuk Med Innovat Fdn, Lab Anim Ctr, Daegu, South Korea; Kyungpook Natl Univ, Coll Vet Med, Daegu, South Korea | Kim, Seung/N-5248-2019; Kim, Sungchan/AAC-9521-2019 | 57061564500; 57217608273; 57215934212; 57216041374; 57197782444; 14825263300; 7403535804; 26325632700; 35254332100; 35272034300; 56428348300 | youngjung@pusan.ac.kr; | LABORATORY ANIMAL RESEARCH | LAB ANIM RES | 1738-6055 | 2233-7660 | 37 | 1 | ESCI | MEDICINE, RESEARCH & EXPERIMENTAL;VETERINARY SCIENCES | 2021 | N/A | 0.19 | 2025-07-30 | 12 | 11 | C57BL; 6NKorl; Inflammatory bowel disease; Dextran sulfate sodium; Colitis; Inflammation | C57BL/6NKorl; Colitis; Dextran sulfate sodium; Inflammation; Inflammatory bowel disease | English | 2021 | 2021-01-28 | 10.1186/s42826-021-00084-2 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | Conference paper | Influence of amorphous-to-crystalline transformation on the negative thermo-optic properties of TiO2 films | In this study, we systematically investigate the structure-property relationship of atomic-layer-deposited titanium dioxide (TiO2) to identify governing factors that determines the negative thermo-optic property of TiO2. In addition, we demonstrate the negatively enhanced thermo-optic coefficient (TOC) values (from −1.8 to −2.3 × 10-4 /°C) from the visible to the near-infrared regime via mild-thermal budget processing. Structural characterizations based on X-ray diffraction and reflectivity and temperature-dependent refractive index measurements based on spectroscopic ellipsometry prove that the higher crystallinity of anatase TiO2 leads to greater negative TOC values, ascribed to the higher film density and lower porosity compared to amorphous states. Based on the Prod'homme model and bandgap analysis, we also report that the negative TOC of TiO2 is influenced more by the volume expansion than the polarizability. © The Electrochemical Society | Park, Honghwi; Jung, Jaedong; Liu, Mingyuan; Lee, Sunghwan; Park, Hongsik | School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, 41566, South Korea; School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, 41566, South Korea; School of Engineering Technology, Purdue University, West Lafayette, 47907, IN, United States; School of Engineering Technology, Purdue University, West Lafayette, 47907, IN, United States; School of Electronic and Electrical Engineering, Kyungpook National University, Daegu, 41566, South Korea, School of Electronics Engineering, Kyungpook National University, Daegu, 41566, South Korea | 57206811785; 57209877588; 57219554958; 57192514024; 35366976200 | sunghlee@purdue.edu;hpark@ee.knu.ac.kr; | ECS Transactions | 1938-6737 | 102 | 2 | 0 | 2025-07-30 | 0 | Atomic layer deposition; Budget control; Chemical sensors; CMOS integrated circuits; Crystal atomic structure; Crystallinity; Infrared devices; Nanocrystalline materials; Oxide minerals; Refractive index; Spectroscopic ellipsometry; Amorphous to crystalline transformation; Structural characterization; Structure property relationships; Temperature-dependent refractive indices; Thermo-optic coefficients; Thermo-optic properties; Titanium dioxides (TiO2); X-ray diffraction and reflectivity; Titanium dioxide | English | Final | 2021 | 10.1149/10202.0151ecst | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | Article | Influence of communication self-efficacy and perception of patient safety culture on experience of nursing errors among operating room nurses | Purpose: This study was conducted to identify the influence of communication self-efficacy and perception of the patient safety culture on the experience of nursing errors among operating room nurses. Methods: A cross-sectional design was used, with a convenience sample of 184 operation room nurses from 16 hospitals in Korea. Data were collected through a structured self-administered survey. The questionnaires included Communication, Self Efficacy, Safety Attitude Questionnaire, and experiences of nursing errors in operation room. Data were analyzed using descriptive analysis, Shapiro-Wilk test, Mann-Whitney U test, Kruskal-Wallis test, Pearson correlation coefficients and multiple linear regression. Results: The experience of nursing errors had significant negative correlations with communication self-efficacy (r=-.39, p<.001) and perception of the patient safety culture (r=-.36, p<.001). Factors significantly influencing the experiences of nursing errors included communication self-efficacy (β=-.25, p=.002), and perception of patient safety culture (β=-.21, p=.009). The overall explanatory power was 19% (F=14.85, p<.001). Conclusion: It is necessary to develop continuous education and programs improving communication self efficacy and perception of patient safety culture to reduce risk of nursing errors in the operating room. © 2021 Korean Academy of Nursing Administration | Seo, Jiin; Kim, Yujeong | Department of Forensic Nursing, Kyungpook National University, South Korea; College of Nursing ․, Research Institute of Nursing Science, Kyungpook National University, South Korea | 57226508291; 57200941945 | yujeongkim@knu.ac.kr; | Journal of Korean Academy of Nursing Administration | 1225-9330 | 27 | 3 | 0.42 | 2025-07-30 | 4 | Communication; Medical errors; Operating rooms; Patient safety | Korean | Final | 2021 | 10.11111/jkana.2021.27.3.181 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | ○ | Article | INFLUENCE OF PU-ERH TEA EXTRACT ON PHYSICOCHEMICAL AND FUNCTIONAL PROPERTIES OF GERMINATED BROWN RICE | Brown rice is prepared by removing the hull of the rice kernel. Despite the high nutritional value of normal brown rice, it is not widely accepted as it cannot be cooked easily in a conventional rice cooker. However, germinated brown rice (GBR) is easy to cook and the texture is also softer than that of the normal brown rice. The objective of this study was to investigate the physicochemical and antioxidant potential of GBR produced by soaking in different concentrations (0.5-3%, w/v) of Pu-erh tea extracts. The lightness value of the extract-treated GBR was reduced, however, the redness and yellowness values were significantly increased with the concentration of the tea extracts. The GBR samples grown with the extract treatment were enriched with some amino acids such as gamma-aminobutyric acid although the amount of total free amino acid was reduced in the treated samples. Similarly, the amount of total minerals and DPPH free radical scavenging potential of the extract-treated samples were higher than that of the untreated one. The total polyphenol and/or flavonoid levels of some of the tea-treated GBR samples were also improved. The results indicated that the nutritional and functional properties of brown rice could be enhanced by Pu-erh tea extract treatments. | Kim, Jeong-Ho; Yoon, Yong-Han; Kim, Il-Doo; Dhungana, Sanjeev Kumar; Shin, Dong-Hyun | Konkuk Univ, Dept Green Technol Convergence, Chungju 27478, South Korea; Kyungpook Natl Univ, Int Inst Res & Dev, Daegu 41566, South Korea; Rural Dev Adm, Dept Southern Area Crop Sci, Natl Inst Crop Sci, Miryang 50424, South Korea; Kyungpook Natl Univ, Sch Appl Biosci, Daegu 41566, South Korea | Kim, Il-Doo/C-1850-2011; Kim, Jeong-Ho/A-7641-2018; Dhungana, Sanjeev Kumar/O-4097-2017 | 57221537227; 56230173600; 56269995600; 56269940800; 7403352903 | dhshin@knu.ac.kr; | CARPATHIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY | CARPATHIAN J FOOD SC | 2066-6845 | 2344-5459 | 13 | 3 | ESCI | FOOD SCIENCE & TECHNOLOGY | 2021 | N/A | 0 | 2025-07-30 | 0 | 0 | Antioxidant potential; Nutrient; Pu-erh tea; Germinated brown rice | PHENOLIC-COMPOUNDS; GABA; CALCIUM; ZINC; BIOFORTIFICATION; MAGNESIUM; SOAKING; QUALITY; HEALTH; ONIONS | Antioxidant potential; Germinated brown rice; Nutrient; Pu-erh tea | English | 2021 | 2021 | 10.34302/crpjfst/2021.13.3.15 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | Article | Influence of resilience and social support on body image of patients in an acute stage following traffic accidents | Purpose: The purpose of this study was to identify the relationships between resilience, social support, and body image in patients in an acute stage following traffic accidents and to investigate factors affecting body image. Methods: Data were collected from 86 patients at local hospitals from January 2019 to February 2020. To measure the variables, the body image scale, Conner-Davidson Resilience Scale, and Multidimensional Scale of Perceived Social Support were used. Data were analyzed using descriptive statistics, independent t-tests, analysis of variance, Pearson correlation coefficient, and multiple regression. Results: Mean age of participants was 43.40± 14.75 and the proportion of men was 73.3%. The average score for resilience, social support, and body image were 65.16±16.89, 72.93±8.11, and 12.24±6.63, respectively. The highest item on the body image scale was "Are you dissatisfied with the appearance of your scar?". There were differences in scores for body image according to gender, age, and living status. Resilience (r=-.68, p<.001) and social support (r=-.65, p<.001) were negatively correlated with body image. In the regression model, resilience (β=-.41), social support (β=-.30), and gender (β=.22) accounted for 57.6% of the variance in body image. Conclusion: Resilience and social support were identified in this study as significant factors protecting body image of patients during the acute stage following a traffic accident. It is recommended that psychosocial nursing interventions be conducted throughout the course of treatment. © 2021 Korean Academy of Fundamentals of Nursing. All right reserved. | Shin, Jihye; Cha, Jieun | Kyungpook National University Hospital, Daegu, South Korea; College of Nursing The Research Institute of Nursing Science, Kyungpook National University, Daegu, South Korea | 57224782602; 57653773900 | jecha@knu.ac.kr; | Journal of the Korean Academy of Fundamentals of Nursing | 1225-9012 | 28 | 2 | 0 | 2025-07-30 | 0 | Body image; Resilience; Social support; Traffic accident | Korean | Final | 2021 | 10.7739/jkafn.2021.28.2.156 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | ○ | Article | Influence of the Rhizobacterium Rhodobacter sphaeroides KE149 and Biochar on Waterlogging Stress Tolerance in Glycine max L. | In the context of the current climate change and increasing population scenarios, waterlogging stress in plants represents a global threat to sustainable agriculture production. Plant-growth-promoting rhizobacteria and biochar have been widely reported to mitigate the effects of several abiotic stresses. Hence, in the present study, we examined the effect of the rhizobacterium Rhodobacter sphaeroides KE149 and biochar on soybean plants subjected to sufficient water supply and waterlogging stress conditions. Our results revealed that KE149 and biochar inoculation significantly improved plant morphological attributes, such as root length, shoot length, and fresh biomass. The biochemical analysis results showed that the two treatments determined a significant drop in the levels of endogenous phytohormones (such as abscisic acid) under normal conditions, which were considerably enhanced under waterlogging stress. However, the jasmonic acid content increased with the application of biochar and KE149 under normal conditions, and it considerably decreased under waterlogging stress. Moreover, proline, methionine, and aspartic acid were significantly increased, whereas the phenolic and flavonoid contents were reduced with the application of the two treatments under waterlogging stress. These results suggest that the application of KE149 and biochar can be a safe biological tool with which to improve the physiology and productivity of soybean plants exposed to waterlogging stress. | Kang, Sang-Mo; Adhikari, Arjun; Khan, Muhammad Aaqil; Kwon, Eun-Hae; Park, Yong-Sung; Lee, In-Jung | Kyungpook Natl Univ, Dept Appl Biosci, 80 Daehakro, Daegu 41566, South Korea | Khan, Muhammad/ABB-9797-2021; Adhikari, Arjun/AAV-6297-2021; Kang, Sang-Mo/MBG-7823-2025; Adhikari, Arjun/JCO-3306-2023; Lee, In-Jung/GLS-0432-2022 | 56189696900; 57195601415; 57188585606; 57224398710; 57195726535; 16425830900 | kmoya@hanmail.net;farmerarjun7@gmail.com;aqil_bacha@yahoo.com;eunhaekwon@naver.com;Pjyjsj3@gmail.com;ijlee@knu.ac.kr; | ENVIRONMENTS | ENVIRONMENTS | 2076-3298 | 8 | 9 | ESCI | ENVIRONMENTAL SCIENCES | 2021 | N/A | 0.71 | 2025-07-30 | 12 | 14 | biochar; soybean; Rhodobacter sphaeroides KE149; waterlogging; abiotic stress | SALICYLIC-ACID; SYSTEMIC RESISTANCE; PLANT GROWTH; METABOLISM; EXPRESSION; INCREASES; LEGUMES; LEAVES; ROOTS; RICE | Abiotic stress; Biochar; Rhodobacter sphaeroides KE149; Soybean; Waterlogging | English | 2021 | 2021-09 | 10.3390/environments8090094 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | Article | Inhibitory activity against biological enzyme and anti-microbial activity of phenolics from sambucus sieboldiana var. Pendula leaves | The phenolics of Sambucus sieboldiana var. pendula leaves for functional resources were examined on inhibitory activity against biological enzyme and anti-microbial activity. The amount of phenolic compounds were 11.60±0.18 and 12.43±0.07 mg/g by water and 50% ethanol extraction, respectively. The antioxidative activity of phenolic in extracts was higher than solids. The inhibition activities on angiotensin converting enzyme were 92.08 and 78.33% at 200 μg/mL phenolic concentration in water and ethanol extracts, respectively. The xanthine oxidase inhibitory activity were 100% at 200 μg/mL phenolic in water and ethanol extracts, respectively. These result was higher than 70.37% of allopurinol as positive control at 200 μg/mL. The inhibitory activity against hyaluronidase were each 25.35 and 43.38% in water and ethanol extracts. The water extract from S. sieboldiana var. pendula leaves showed antibacterial activity on the Propionebacterium acnes, Staphylococcus aureus and Streptococcus mutans in water extract and S. mutans in ethanol extract. This result suggests that phenolic from S. sieboldiana var. pendula leaves are suitable as functional foods with anti-hypertension, anti-gout, anti-inflammation and anti-microorganism activities. © 2021, Korean Society for Applied Biological Chemistry. All rights reserved. | Lee, Eun-Ho; Hong, Shin Hyub; Park, Hye-Jin; Kim, Byung-Oh; Jung, Hee-Young; Kang, In-Kyu; Cho, Young-Je | School of Food science and Biotechnology, Kyungpook National University, 80 University Street, Bukgu, Daegu, 41566, South Korea; School of Food science and Biotechnology, Kyungpook National University, 80 University Street, Bukgu, Daegu, 41566, South Korea; School of Food science and Biotechnology, Kyungpook National University, 80 University Street, Bukgu, Daegu, 41566, South Korea; School of Food science and Biotechnology, Kyungpook National University, 80 University Street, Bukgu, Daegu, 41566, South Korea; School of Applied Biosciences, Kyungpook National University, 80 University Street, Bukgu, Daegu, 41566, South Korea; Department of Horticultural Science, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, 41566, South Korea; School of Food science and Biotechnology, Kyungpook National University, 80 University Street, Bukgu, Daegu, 41566, South Korea | 56347429100; 57191666464; 7601567655; 7501567571; 7403029383; 56577308800; 55265396300 | yjcho@knu.ac.kr; | Journal of Applied Biological Chemistry | 1976-0442 | 64 | 1 | 0 | 2025-07-30 | 0 | Anti-gout; Anti-hypertension; Anti-inflammation; Anti-microorganism; Sambucus sieboldiana var. pendula | Korean | Final | 2021 | 10.3839/jabc.2021.002 | 바로가기 | 바로가기 | ||||||||||||||||
| ○ | Article | Intangible Value Intensity and Stock Price Crash Risk | According to previous studies, firms with a high proportion of intangible assets have high information asymmetry, and firms with high information asymmetry have shown a higher stock price crash risk. Therefore, we suggest that firms with intangible factors that cannot be measured and are not reported in the financial statements are associated with high stock price crash risk. This study investigates the effect of intangible value intensity on the stock price crash risk. In this study, the firm performance that exceeds tangible assets' productivity has been regarded as being created by intangible factors (after here, intangible value). The intangible value of a firm is measured indirectly. We find that the intangible value intensities are significantly associated with the stock price crash risk. These results mean that the higher intangible values that are not recognized in the financial statements are higher the stock price crash risk. Next, we examine how accounting quality affects the relationship between intangible value intensity and stock price crash risk. The finding shows that the higher firms' accounting quality are the lower firms’ stock price crash risk due to intangible value. In addition, the effect of intangible value intensity on stock price crash is highly found among firms in the high intangible expenditures group. These results imply that intangible values are associated with the performance of firms and valuation uncertainty. Therefore, we show that intangible factors at non-financial statements increase the stock price crash risk. Our findings provide implication that the managers of firms with high intangible value should reduce the information asymmetry by increasing the aggressive disclosure and accounting quality. This study is significant in that it not only measures the total intangible value of a company, but also classifies three intangible value intensities. © 2021, Korean Accounting Association. All rights reserved. | Park, Sun-Young; Ha, Seok-Tae | School of Business Administration, Kyungpook National University, South Korea; School of Business Administration, Kyungpook National University, South Korea | 57222291334; 57222294027 | Korean Accounting Review | 1229-3288 | 46 | 5 | 0.1 | 2025-07-30 | 1 | Accounting quality; Earnings-based value of intangible; Intangible value intensity; Stock price crash risk | Korean | Final | 2021 | 10.24056/kar.2021.10.004 | 바로가기 | 바로가기 | |||||||||||||||||
| ○ | ○ | Proceedings Paper | Integrated Multiport Bidirectional DC-DC Converter for HEV/FCV Applications | This paper proposes a novel integrated multiport bidirectional dc-dc converter to interface the battery, the ultra-capacitor, the fuel cell, or other energy sources with the dc-link capacitor of the hybrid energy systems such as the hybrid electric vehicle (HEV) and fuel cell vehicle (FCV) applications. The proposed converter can be applied to the distributed generation systems which include local energy sources, storage, and loads. It can perform both buck and boost functions with fewer switches. In addition, it is extendable when more inputs and/or outputs are required. The operating principle and control strategy of the proposed converter will be analyzed in detail. For verification, simulation, and experimental results of the four utilized operating modes of an HEV/FCV are provided. | Nguyen, Bang Le-Huy; Cha, Honnyong; Vu, Tuyen; Nguyen, Thai-Thanh | Clarkson Univ, ECE Dept, Potsdam, NY 13699 USA; Kyungpook Natl Univ, Sch Energy Engn, Daegu, South Korea; Natl Renewable Energy Res Lab, Golden, CO 80401 USA | Nguyen, Thai-Thanh/V-1046-2019; Nguyen, Bang/U-6579-2019; Vu, Tuyen/A-1863-2018 | 57211273880; 24450248400; 56937889200; 57196074181 | nguyenbl@clarkson.edu;chahonny@knu.ac.kr;tvu@clarkson.edu;tnguyen@clarkson.edu; | IECON 2021 - 47TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 1553-572X | 1.26 | 2025-07-30 | 2 | 5 | DC-DC power converter; fuel cell vehicle (FCV); hybrid electric vehicle (HEV); multi-port converter | FUEL-CELL; BATTERY; INTERFACE | DC-DC power converter; fuel cell vehicle (FCV); hybrid electric vehicle (HEV); multi-port converter | Boost converter; Fuel cells; Supercapacitor; Bidirectional DC/DC converters; DC/DC power converters; Energy source; Fuel cell vehicle; Fuel cell vehicles; Hybrid electric vehicle; Multi-port; Multi-port converter; Vehicle applications; Vehicle fuels; Hybrid vehicles | English | 2021 | 2021 | 10.1109/iecon48115.2021.9589188 | 바로가기 | 바로가기 | 바로가기 | |||||||||||
| ○ | ○ | Proceedings Paper | Intelligent Home Energy Management System based on Bi-directional Long-short Term Memory and Reinforcement Learning | The dynamic nature of the electricity market need an efficient energy management and control system to take perfect decisions accordingly. House hold appliances is the contemporary study being adopted to improve the performance and balance the fluctuation between power system and smart home. This article proposes an intelligent home energy management system (IHEMS) incorporated with a prediction model and optimization model. To address the uncertainty of future energy load and its cost, a suitable prediction model based on Bi-directional long short Term memory (Bi-LSTM) is contributed. In collaboration with the prediction model, an optimization model based on reinforcement learning is presented to schedule the home appliances by taking optimal decisions. To validate the performance of the proposed scheme, Intensive simulation is performed with adoptable, un-adoptable and manageable loads of household appliances. The results confirm that the proposed scheme address the problem of energy management for numerous appliances, reduce the total energy consumption with total energy bill and minimize the user comfort level. | Diyan, Muhammd; Khan, Murad; Cao Zhenbo; Silva, Bhagya Nathali; Han, Jihun; Han, Ki Jun | Kyungpook Natl Univ, Sch Comp Sci & Engn, Daegu, South Korea | Khan, Turyalai/HPH-0061-2023; Silva, Bhagya/AAW-1014-2021 | 26028317800; 56151971600; 57225835510; 57192304387; 8644262600; 7402963670 | m.diyan@knu.ac.kr;mkhan@knu.ac.kr;nathali.slv@gmail.com;jihun528@hotmail.com;kjhan@knu.ac.kr; | 35TH INTERNATIONAL CONFERENCE ON INFORMATION NETWORKING (ICOIN 2021) | 0.99 | 2025-07-30 | 6 | 7 | Bi-directional long short Term memory; reinforcement learning; efficient energy management and control system | OPTIMIZATION | Bi-directional long short Term memory; efficient energy management and control system; reinforcement learning | Automation; Brain; Domestic appliances; Energy efficiency; Energy management; Energy utilization; Forecasting; Learning systems; Long short-term memory; Optimization; Predictive analytics; Reinforcement learning; Solar buildings; Dynamic nature; Energy management and control systems; Future energies; Intelligent home; Optimal decisions; Optimization modeling; Prediction model; Total energy consumption; Energy management systems | English | 2021 | 2021 | 10.1109/icoin50884.2021.9333984 | 바로가기 | 바로가기 | 바로가기 | ||||||||||||
| ○ | Proceedings Paper | Interactive Reinforcement Learning for Table Balancing Robot | With the development of robotics, the use of robots in daily life is increasing, which has led to the need for anyone to easily train robots to improve robot use. Interactive reinforcement learning(IARL) is a method for robot training based on human-robot interaction; prior studies on IARL provide only limited types of feedback or require appropriately designed shaping rewards, which is known to be difficult and time consuming. Therefore, in this study, we propose interactive deep reinforcement learning models based on voice feedback. In the proposed system, a robot learns the task of cooperative table balancing through deep Q-network using voice feedback provided by humans in real time, with automatic speech recognition(ASR) and sentiment analysis to understand human voice feedback. As a result, an optimal policy convergence rate of up to 96% was realized, and performance was improved in all voice feedback-based models. | Jeon, Haein; Kim, Yewon; Kang, Boyeong | Kyungpook Natl Univ, Artificial Intelligence Robot Lab, Daegu, South Korea | ; Jeon, Haein/LXA-8688-2024 | haeinjeon.knu@gmail.com;yewonkim.knu@gmail.com;kby09@kno.ac.kr; | SPLU-ROBONLP 2021: THE 2ND INTERNATIONAL COMBINED WORKSHOP ON SPATIAL LANGUAGE UNDERSTANDING AND GROUNDED COMMUNICATION FOR ROBOTICS | 1 | English | 2021 | 2021 | 바로가기 | ||||||||||||||||||||||||
| ○ | ○ | Review | Interlaminar Endoscopic Lumbar Discectomy: A Narrative Review | Background: When pain caused by lumbar disc herniation (LDH) is not relieved after 4 to 6 weeks of conservative treatment, surgery is recommended. Open microdiscectomy is a standard surgical technique, but surgical endoscopy enables endoscopic lumbar surgery with clinical outcomes similar to those of standard microdiscectomy. Endoscopic lumbar discectomy is largely divided into transforaminal endoscopic lumbar discectomy (TELD) and interlaminar endoscopic lumbar discectomy (IELD). TELD was introduced about 10 years earlier than IELD and seems to be more popular than IELD. Objective: The present article reviews the surgical technique, indications, and outcomes of IELD. Although much is still unknown, potential future perspectives are reviewed. Summary: Although improved surgical techniques enable TELD to be versatile, IELD is still specifically beneficial for patients with highly migrated LDH and a high iliac crest. There is a large body of literature indicating favorable outcomes with both TELD and IELD. Currently, the selection of TELD or IELD is at the discretion of the surgeon, but the IELD surgical technique is useful for further applying endoscopic lumbar surgery for lumbar decompression or lumbar interbody fusion. The techniques can be assisted by advanced technologies such as artificial intelligence, surgical robots, and artificial reality, and a precise and systematic approach to decision--making and surgical techniques is required to combine these technologies effectively. | Won, Young Il; Yuh, Woon Tak; Kwon, Shin Won; Kim, Chi Heon; Yang, Seung Heon; Kim, Kyoung-Tae; Chung, Chun Kee | Seoul Natl Univ Hosp, Dept Neurosurg, Seoul, South Korea; Seoul Natl Univ, Coll Med, Dept Neurosurg, 101 Daehak Ro, Seoul 110744, South Korea; Kyungpook Natl Univ Hosp, Dept Neurosurg, Seoul, South Korea; Kyungpook Natl Univ, Sch Med, Dept Neurosurg, Seoul, South Korea; Seoul Natl Univ, Dept Brain & Cognit Sci, Seoul, South Korea | Chung, Chun/J-5650-2012; Kim, Chi/J-6536-2019 | 57744628900; 57191359268; 57197743293; 35145892000; 56440402100; 57201369790; 7403613043 | chiheon1@snu.ac.kr; | INTERNATIONAL JOURNAL OF SPINE SURGERY | INT J SPINE SURG | 2211-4599 | 15 | ESCI | SURGERY | 2021 | N/A | 0.89 | 2025-07-30 | 11 | 11 | spine; discectomy; lumbar vertebra; endoscopic surgery; review | DISC HERNIATION; OUTCOMES; SURGERY; DECOMPRESSION; REMOVAL | Discectomy; Endoscopic surgery; Lumbar vertebra; Review; Spine | lactate dehydrogenase; adult; artificial intelligence; case report; clinical article; clinical outcome; decision making; decompression surgery; discectomy; endoscopic surgery; female; human; iliac crest; interlaminar endoscopic lumbar discectomy; nuclear magnetic resonance imaging; Oswestry Disability Index; posterior lumbar interbody fusion; Review; surgical technique; treatment indication; treatment outcome | English | 2021 | 2021-12-01 | 10.14444/8163 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | Article | Investigation and Risk Characterization on the Contamination Level of Herbal Medicines Without Legal Benzo(a)pyrene Specification | − By analysing the benzo(a)pyrene concentration using HPLC-FLD and LC-MS/MS, pollution levels of herbal medicines without permitted benzo(a)pyrene specification were investigated. Average benzo(a)pyrene concentrations were 38.30, 37.46 and 21.22 µg/kg for Amomi Tsao-ko Fructus, Mume Fructus and Coptidis Rhizoma, respectively, which are 4 to 7 times higher than maximum permitted benzo(a)pyrene concentration of Rehmanniae Radix Preparata and Rehmanniae Radix, i.e. 5.0 µg/kg. Proportion of detected samples exceeding 5.0 µg/kg benzo(a)pyrene concentration was 22% for Cimicif-ugae Rhizoma and Scrophulariae Radix, 44% for Forsythiae Fructus, 67% for Mume Fructus, 100% for Amomi Tsao-ko Fruc-tus and Coptidis Rhizoma, and collectively 29% (36 out of 125 samples) in average. In terms of risk characterization results, human exposure of benzo(a)pyrene were 7.96, 3.49 and 1.61 ng/kg b.w./day and the margin of exposure(MOE) were 1.25 × 104, 2.86 × 104 and 6.20 × 104 for Mume Fructus, Amomi Tsao-ko Fructus and Coptidis Rhizoma, respectively. MOE banding of those herbal medicines was categorized to ‘low concern’. However, considering that human exposure of benzo(a)pyrene for food is legislated to 1.4~2.5 ng/kg b.w./day, it was urgent to set up the guideline of benzo(a)pyrene in herbal medicines. © 2021, Korean Society of Pharmacognosy. All rights reserved. | Park, Young-Ae; Ko, Suk-Kyung; Cho, Seok-Ju; Hwang, In-Sook; Shin, Gi-Young; Moon, Kwang-Deog | Gangbuk Agro-Fishery Products & Herbal Medicine Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, 02569, South Korea, School of Food Science and Biotechnology, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu, 41566, South Korea; Gangbuk Agro-Fishery Products & Herbal Medicine Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, 02569, South Korea; Gangbuk Agro-Fishery Products & Herbal Medicine Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, 02569, South Korea; Gangbuk Agro-Fishery Products & Herbal Medicine Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, 02569, South Korea; Gangbuk Agro-Fishery Products & Herbal Medicine Inspection Center, Seoul Metropolitan Government Research Institute of Public Health and Environment, Seoul, 02569, South Korea; School of Food Science and Biotechnology, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu, 41566, South Korea, Food and Bio-Industry Research Institute, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu, 41566, South Korea | 55494372100; 53877669500; 58371852100; 57203231670; 55462701400; 55999192900 | youngcim@seoul.go.kr; | Korean Journal of Pharmacognosy | 0253-3073 | 52 | 4 | 0.09 | 2025-07-30 | 1 | Margin of exposure; Risk characterization; − Benzo(a)pyrene concentration | benzo[a]pyrene; Forsythia fruit; Rehmannia extract; Scrophularia root; Amomi Tsao ko fructus; Article; contamination; Coptis; fruit; herbal medicine; high performance liquid chromatography; liquid chromatography-mass spectrometry; Mume fructus; nonhuman; Rehmannia | Korean | Final | 2021 | 10.22889/kjp.2021.52.4.219 | 바로가기 | 바로가기 |
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