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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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| ○ | ○ | Article | Thermally stable amine-functionalized silica sorbents using one-pot synthesis method for CO2 capture at low temperature | Amine-functionalized silica sorbents have been widely investigated for post-combustion CO2 capture at low temperature. In previous studies, amine-functionalized silica sorbents were prepared using a synthetic hierarchically porous silica, which is not commercially available in large quantities, because porous silica support structures strongly influence CO2 capture performance. Here, we propose a feasible and facile fabrication method for amine-functionalized silica sorbents using 3-aminopropyltrimethoxy silane (APTS) and fumed silica (FS), where APTS serves as both an active material and a binder. The APTS-functionalized FS sorbents have large amounts of active amino groups and porous structures and demonstrate good multicycle stability with excellent CO2 capture performance. In addition, cetyltrimethylammonium bromide was found to improve the diffusion pathway of CO2, leading to enhanced CO2 capture capacity because of the suppression of excessive condensation during preparation. Therefore, the APTS-functionalized FS sorbents could be cost- and energy-efficiently prepared using a novel one-pot synthesis method; the resulting sorbents exhibit excellent CO2 capture performance. | Jo, Seong Bin; Chae, Ho Jin; Kim, Tae Young; Baek, Jeom-In; Ragupathy, Dhanusuraman; Lee, Soo Chool; Kim, Jae Chang | Kyungpook Natl Univ, Res Inst Adv Energy Technol, Daegu 41566, South Korea; Kyungpook Natl Univ, Dept Chem Engn, Daegu 41566, South Korea; Korea Elect Power Res Inst, Daejeon 34056, South Korea; Natl Inst Technol Puducherry, Dept Chem, Karaikal 609609, India | ; Chae, Ho/C-5535-2011; Dhanusuraman, Prof Ragupathy/JVM-8472-2024; Kim, Yu/L-8480-2017 | 57190754848; 57204090253; 57208461628; 7103228396; 23668492700; 8524020100; 55382762400 | soochool@knu.ac.kr;kjchang@knu.ac.kr; | KOREAN JOURNAL OF CHEMICAL ENGINEERING | KOREAN J CHEM ENG | 0256-1115 | 1975-7220 | 37 | 12 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, CHEMICAL | 2020 | 3.309 | 41.6 | 0.31 | 2025-06-25 | 5 | 5 | CO2 Capture Sorbents; One-pot Synthesis; 3-Aminopropyltrimethoxy-silane (APTS); Porous Structures; Thermal Stability | HYDROTALCITE-LIKE COMPOUNDS; CARBON-DIOXIDE; MESOPOROUS SILICAS; ACTIVATED CARBON; MOLECULAR-SIEVE; ADSORPTION; ADSORBENT; SEPARATION; KINETICS; NITROGEN | 3-Aminopropyltrimethoxy-silane (APTS); CO<sub>2</sub> Capture Sorbents; One-pot Synthesis; Porous Structures; Thermal Stability | English | 2020 | 2020-12 | 10.1007/s11814-020-0655-6 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Transcriptional regulation of Salmochelin glucosyltransferase by Fur in Salmonella | Pathogenic bacteria acquire the acquisition of iron from the host to ensure their survival. Salmonella spp. utilizes siderophores, including salmochelin, for high affinity aggressive import of iron. Although the iroBCDEN operon is reportedly responsible for the production and the transport of salmochelin, the molecular mechanisms underlying the regulation of its gene expression have not yet been characterized. Here, we analyzed the expression pattern of iroB using the lacZY transcriptional reporter system and determined the transcription start site in response to iron availability using primer extension analysis. We further examined the regulation of iroB expression by the ferric uptake regulator (Fur), a key regulatory protein involved in the maintenance of iron homeostasis in various bacteria, including Salmonella. Using sequence analysis followed by a gel shift assay, we verified that the Fur box lies within the promoter region of iroBCDE. The Fur box contained the consensus sequence (GATATTGGTAATTATTATC) and overlapped with the -10-element region. The expression of iroB was repressed by Fur in the presence of iron, as determined using an in vitro transcription assay. Therefore, we found that the iron acquisition system is regulated in a Fur-dependent manner in Salmonella. (C) 2020 Elsevier Inc. All rights reserved. | Lim, Daejin; Kim, Kyeongmin; Song, Miryoung; Jeong, Jae-Ho; Chang, Jeong Ho; Kim, Sang Ryong; Hong, Chang-won; Im, Seung-Soon; Park, Seung-Hwan; Lee, Je Chul; Shin, Minsang | Chonnam Natl Univ, Dept Microbiol, Med Sch, Gwangju 61468, South Korea; Kyungpook Natl Univ, Sch Med, Dept Microbiol, 680 Gukchaebosang Ro, Daegu 41944, South Korea; Hankuk Univ Foreign Studies, Dept Biosci & Biotechnol, Yongin 17035, Gyeonggido, South Korea; Kyungpook Natl Univ, Dept Biol Educ, Daegu 41566, South Korea; Kyungpook Natl Univ, Sch Life Sci, Inst Life Sci & Biotechnol, Daegu 41566, South Korea; Kyungpook Natl Univ, Sch Med, Dept Physiol, Daegu 41944, South Korea; Keimyung Univ, Dept Physiol, Sch Med, Daegu 42601, South Korea; Korea Res Inst Biosci & Biotechnol KRIBB, Biol Resource Ctr, Jeongeup, South Korea | ; Hong, Chang-Won/L-1272-2015 | 55634007200; 57216604095; 57770497300; 55261219600; 57203598905; 56486163800; 55567018400; 57211749547; 35074781200; 25930392000; 7401536650 | shinms@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 529 | 1 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2020 | 3.575 | 41.6 | 0.28 | 2025-06-25 | 6 | 5 | Fur; Salmochelin glucosyltransferase; Repressor; Salmonella | BINDING-SITE; IRON; DNA; SIDEROPHORE; CLONING; GENES; HOST | Fur; Repressor; Salmochelin glucosyltransferase; Salmonella | Bacterial Proteins; Base Sequence; Biobehavioral Sciences; Consensus Sequence; DNA, Bacterial; Enterobactin; Gene Expression Regulation, Bacterial; Glucosyltransferases; Humans; Iron; Promoter Regions, Genetic; Protein Binding; Protein Multimerization; Repressor Proteins; Salmonella typhimurium; Siderophores; Transcription, Genetic; ferric uptake regulator; glucosyltransferase; iron; salmochelin; siderophore; unclassified drug; bacterial DNA; bacterial protein; enterochelin; ferric uptake regulating proteins, bacterial; glucosyltransferase; protein binding; repressor protein; salmochelin; siderophore; Article; assay; bacterial gene; consensus sequence; controlled study; DNA structure; enzyme regulation; Fur box; gel shift assay; gene expression regulation; in vitro study; iroB gene; iron homeostasis; nonhuman; priority journal; promoter region; Salmonella; sequence analysis; transcription regulation; behavioral science; chemistry; gene expression regulation; genetic transcription; genetics; human; metabolism; nucleotide sequence; protein multimerization; Salmonella enterica serovar Typhimurium | English | 2020 | 2020-08-13 | 10.1016/j.bbrc.2020.06.009 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Correction | Transcriptional regulation of salmochelin glucosyltransferase by Fur in Salmonella (vol 529, pg 70, 2020) | Lim, Daejin; Kim, Kyeongmin; Song, Miryoung; Jeong, Jae-Ho; Chang, Jeong Ho; Kim, Sang Ryong; Hong, Chang-won; Im, Seung-Soon; Park, Seung-Hwan; Lee, Je Chul; Shin, Minsang | Chonnam Natl Univ, Dept Microbiol, Sch Med, Gwangju 61468, South Korea; Kyungpook Natl Univ, Dept Microbiol, Sch Med, 680 Gukchaebosang Ro, Daegu 41944, South Korea; Hankuk Univ Foreign Studies, Dept Biosci & Biotechnol, Yongin 17035, Gyeonggido, South Korea; Kyungpook Natl Univ, Dept Biol Educ, Daegu 41566, South Korea; Kyungpook Natl Univ, Sch Life Sci, Inst Life Sci & Biotechnol, Daegu 41566, South Korea; Kyungpook Natl Univ, Dept Physiol, Sch Med, Daegu 41944, South Korea; Keimyung Univ, Sch Med, Dept Physiol, Daegu 42601, South Korea; Korea Res Inst Biosci & Biotechnol KRIBB, Biol Resource Ctr, Jeongeup, South Korea | ; Song, Mi Ryoung/KYR-5865-2024 | 55634007200; 57216604095; 57770497300; 55261219600; 57203598905; 56486163800; 55567018400; 57211749547; 35074781200; 25930392000; 7401536650 | shinms@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 530 | 3 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2020 | 3.575 | 41.6 | 0 | 2025-06-25 | 0 | 0 | erratum | English | 2020 | 2020-09-24 | 10.1016/j.bbrc.2020.06.086 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||||
| ○ | ○ | Article | Unique cartilage matrix-associated protein inhibits the migratory and invasive potential of triple-negative breast cancer | Triple-negative breast cancer (TNBC) that lacks expression of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) is a breast cancer subtype with very aggressive metastasis and poor prognosis. Unique cartilage matrix-associated protein (UCMA) is a vitamin K-dependent protein (VKDP) with a high-density gamma-carboxyglutamic acid (Gla) domain due to the action of vitamin K. UCMA promotes osteoblast differentiation and mineral deposition in bone and suppresses calcification in vessels. However, correlation between UCMA and TNBC is unknown. This study investigated the inhibitory effect of UCMA on TNBC cell in vitro migration, invasion, and colony formation in addition to in vivo tumorigenesis. Cell migration and invasion significantly decreased in Ucma-overexpressing MDA-MB-231 and 4T1 cells compared to the mock control cells. Also, colony formation and the number of colonies significantly decreased in Ucma-overexpressing MDA-MB-231 and 4T1 cells. These results indicate that UCMA significantly inhibits the migration, invasion, and colony formation of TNBC cells. In an in vivo xenograft mouse model, tumor growth significantly decreased in mice bearing Ucma-overexpressing TNBC cells compared to the mock control cells, indicating that UCMA reduced in vivo tumor growth, similar to the inhibitory role of UCMA in vitro. Survival analysis using publicly available database showed that high UCMA expression significantly correlated with favorable relapse-free survival in TNBC patients compared to those with the other VKDPs, matrix Gla protein (MGP) and osteocalcin (OCN). Collectively, this study suggests that UCMA is a promising new therapeutic agent for TNBC. (c) 2020 Elsevier Inc. All rights reserved. | Lee, Seung-Hoon; Lee, Yeon-Ju; Park, Serk In; Kim, Jung-Eun | Kyungpook Natl Univ, Sch Med, Cell & Matrix Res Inst, Dept Mol Med, 680 Gukchaebosang Ro, Daegu 41944, South Korea; Kyungpook Natl Univ, Dept Biomed Sci, BK21 Plus KNU Biomed Convergence Program, Daegu, South Korea; Korea Univ, Dept Biochem & Mol Biol, Coll Med, Seoul, South Korea; Vanderbilt Univ, Sch Med, Dept Med, Nashville, TN 37212 USA | ; Park, Serk In/D-2840-2011 | 59056027600; 57199022123; 21835118200; 57209054588 | kjeun@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 530 | 4 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2020 | 3.575 | 41.6 | 0.35 | 2025-06-25 | 7 | 7 | UCMA; Vitamin K-dependent protein; Triple-negative breast cancer; Inhibition; Relapse free survival | IN-VITRO ASSAY; VITAMIN-K; GLA PROTEIN; CALCIFICATION; UCMA; CHALLENGES; ACID | Inhibition; Relapse free survival; Triple-negative breast cancer; UCMA; Vitamin K-dependent protein | Animals; Cell Line, Tumor; Cell Movement; Female; Humans; Intracellular Signaling Peptides and Proteins; Mice, Inbred BALB C; Neoplasm Invasiveness; Triple Negative Breast Neoplasms; antineoplastic agent; matrix Gla protein; membrane protein; osteocalcin; unclassified drug; unique cartilage matrix associated protein; signal peptide; Ucma protein, human; Ucma protein, mouse; animal experiment; animal model; animal tissue; antineoplastic activity; Article; cancer growth; cancer inhibition; cancer prognosis; cancer survival; carboxylation; cell differentiation; colony formation; controlled study; drug efficacy; female; human; human cell; in vitro study; in vivo study; mineralization; mouse; nonhuman; priority journal; recurrence free survival; reverse transcription polymerase chain reaction; triple negative breast cancer; tumor xenograft; animal; Bagg albino mouse; cell motion; metabolism; pathology; triple negative breast cancer; tumor cell line; tumor invasion | English | 2020 | 2020-10-01 | 10.1016/j.bbrc.2020.07.114 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Ursolic acid inhibits pigmentation by increasing melanosomal autophagy in B16F1 cells | Melanosomes are specialized membrane-bound organelles that are involved in melanin synthesis. Unlike melanosome biogenesis, the melanosome degradation pathway is poorly understood. Among the cellular processes, autophagy controls degradation of intracellular components by cooperating with lysosomes. In this study, we showed that ursolic acid inhibits skin pigmentation by promoting melanosomal autophagy, or melanophagy, in melanocytes. We found that B16F1 cells treated with ursolic acid suppressed alpha-melanocyte stimulating hormone (alpha-MSH) stimulated increase in melanin content and activated autophagy. In addition, we found that treatment with ursolic acid promotes melanosomal degradation, and bafilomycin A1 inhibition of autophagosome-lysosome fusion blocked the removal of melanosomes in alpha-MSH-stimulated B16F1 cells. Furthermore, depletion of the autophagy-related gene 5 (ATG5) resulted in significant suppression of ursolic acid-mediated anti-pigmentation activity and autophagy in alpha-MSH-treated B16F1 cells. Taken together, our results suggest that ursolic acid inhibits skin pigmentation by increasing melanosomal degradation in melanocytes. (C) 2020 Elsevier Inc. All rights reserved. | Park, Hyun Jun; Jo, Doo Sin; Choi, Dong Sig; Bae, Ji-Eun; Park, Na Yeon; Kim, Jun-Bum; Chang, Jeong Ho; Shin, Joong Jin; Cho, Dong-Hyung | Kyungpook Natl Univ, Sch Life Sci, Daegu 41566, South Korea; Kyungpook Natl Univ, Brain Sci & Engn Inst, Daegu 41566, South Korea; TEN Co Ltd, 16Dongbaekjungang Ro, Yongin 17015, Gyeonggi Do, South Korea; Kyungpook Natl Univ, Dept Biol Educ, Daegu 41566, South Korea | ; Choi, Hye Rin/JDV-9065-2023 | 57209409221; 56335489800; 57218481050; 57190605352; 57190609826; 55922409100; 57203598905; 57202451731; 35093684400 | jimmy@ten-korea.com;dhcho@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 531 | 2 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2020 | 3.575 | 41.6 | 0.85 | 2025-06-25 | 24 | 23 | Ursolic acid; Melanosome; Autophagy; Melanophagy; TPC2 | APOPTOSIS | Autophagy; B16F1 cells; Melanophagy; Melanosome; TPC2; Ursolic acid | alpha-MSH; Animals; Autophagy; Cell Line, Tumor; Melanins; Melanoma, Experimental; Melanosomes; Mice; Skin Pigmentation; Triterpenes; alpha intermedin; autophagy related protein 5; bafilomycin A1; melanin; ursolic acid; alpha intermedin; melanin; triterpene; ursolic acid; animal cell; Article; autophagosome; autophagy (cellular); B16-F1 cell line; chemical structure; controlled study; lysosome; melanocyte; melanogenesis; melanosome; mouse; nonhuman; priority journal; protein synthesis inhibition; skin pigmentation; animal; autophagy; biosynthesis; chemistry; drug effect; experimental melanoma; melanosome; pathology; skin pigmentation; tumor cell line | English | 2020 | 2020-10-15 | 10.1016/j.bbrc.2020.07.125 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | 4-Hexylresorcinol Exhibits Different Characteristics to Estrogen | 4-Hexylresorcinol (4HR) has been used as a food additive and antiseptic. The aim of this study was to evaluate whether the application of 4HR in breast cancer cells and ovariectomized rats showed estrogen-like effects. MCF-7 and SK-BR-3 cells were treated by solvent, 1-100 mu M bisphenol-A (BPA), or 1-100 mu M 4HR, respectively. 3-(4, 5-Dimethylthiazole-2-yl)- 2,5-diphenyltetrazolium bromide (MTT) assay and Western blot for extracellular signal-regulated kinase-1/-2 (ERK1/2), phosphorylated ERK1/2 (p-ERK1/2), estrogen receptor-alpha (ER alpha), and ER beta were done. As an in vivo study, ovariectomized rats (n = 15) received solvent, 125 mg/kg of 4HR, or 10 mu g of 17-beta estradiol via daily subcutaneous injection for 7 days. Blood samples were obtained for evaluation of prolactin levels. Pituitary glands and uteruses were biopsied for histological evaluation and Western blot analysis. Compared with the control group, the application of 4HR decreased the proliferation of MCF-7 and SK-BR-3 cells, while the application of BPA increased (p < 0.05). The application of BPA increased the expression of ER alpha, ER beta, and p-ERK1/2, but 4HR did not change the expression of ER alpha, ER beta, or p-ERK1/2 in MCF-7 cells. In an animal model, the 4HR group showed similar levels of ER alpha, ER beta, and prolactin expression in the pituitary gland compared to the solvent only group, while the estradiol group showed higher levels. Serum prolactin levels were similar between the 4HR and solvent only groups. Taken together, 1-100 mu M 4HR did not show BPA-like behavior in MCF-7 cells, and 125 mg/kg of 4HR daily subcutaneous injection for 7 days did not demonstrate estradiol-like effects in ovariectomized rats. Collectively, 4HR has no estrogen-like effects on both ER alpha-positive cells and estrogen-deficient rat models. | Kang, Yei-Jin; Oh, Ji-Hyeon; Seok, Hyun; Jo, You-Young; Kim, Dae-Won; Garagiola, Umberto; Choi, Je-Yong; Kim, Seong-Gon | Gangneung Wonju Natl Univ, Coll Dent, Dept Oral & Maxillofacial Surg, Kangnung 28644, South Korea; Jeonbuk Natl Univ, Sch Dent, Dept Oral & Maxillofacial Surg, Jeonju 54896, South Korea; Rural Dev Adm, Sericultural & Apicultural Div, Natl Inst Agr Sci, Wonju 55365, South Korea; Gangneung Wonju Natl Univ, Coll Dent, Dept Oral Biochem, Kangnung 28644, South Korea; Univ Milan, Sch Dent, Biomed Surg & Oral Sci Dept, Maxillofacial & Dent Unit, I-20122 Milan, Italy; Kyungpook Natl Univ, KMPC, BK21 Plus KNU Biomed Convergence Program, Skeletal Dis Anal Ctr,Sch Biochem & Cell Biol, Daegu 41944, South Korea | ; Kim, Seong-Gon/AAF-7553-2020; Choi, Je-Yong/AAR-7334-2021; Garagiola, Umberto/AAM-2220-2020 | 57211458783; 55957562000; 56957907200; 36019240900; 56194913400; 8583947500; 7501391068; 27171913700 | kyj292@hanmail.net;haruna348@naver.com;sok8585@hanmail.net;yyjo@korea.kr;kimdw@gwnu.ac.kr;umberto.garagiola@unimi.it;jechoi@knu.ac.kr;kimsg@gwnu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 5 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 0.78 | 2025-06-25 | 10 | 11 | 4-hexylresorcinol; estrogen; breast cancer; bisphenol A; estrogen receptor; prolactin | BREAST-CANCER CELLS; BISPHENOL-A; CALCIUM OSCILLATION; XENOESTROGENS; SUPPRESSION; INHIBITION; UTERINE; MICE | 4-hexylresorcinol; Bisphenol A; Breast cancer; Estrogen; Estrogen receptor; Prolactin | English | 2020 | 2020-03 | 10.3390/app10051737 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | A Methodology of Interactive Motion Facades Design through Parametric Strategies | Interactive facades are dynamic in the translation of space in architecture, especially in the aspects of aesthetics, sustainability, adaptation to the environment, and data relay through the medium of light, motion, and embedded technology. The design of interactive facades is complicated and it requires time and effort in the comprehension of the internal functions of the facade from the conceptual stage to occupancy. The existing process of modeling the experimental level of interactive facades through mock-up and prototype models demonstrate a fragmentary outline on which the final development of the interactive facade system is based on. This research aims to analyze the motion aspect of interactive facades design and simplify the conceptual and performance design process through parametric strategies using a multi-hybrid of parametric and simulation tools, such as Rhino Grasshopper, Ladybug, and Daysim, to create interactive facade designs that can verified in a virtual reality environment while generating performance outcomes that can be optimized in a holistic and improved efficient process. | Panya, David Stephen; Kim, Taehoon; Choo, Seungyeon | Kyungpook Natl Univ, Sch Architecture, Daegu 41566, South Korea | Choo, Seungyeon/JFB-0390-2023 | 57210791927; 58260945000; 36835366900 | david.panya@gmail.com;thlouiskim@gmail.com;choo@knu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 4 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 1.48 | 2025-06-25 | 17 | 23 | interactive design; performance simulation; parametric strategy; virtual reality; responsive facades | Interactive design; Parametric strategy; Performance simulation; Responsive facades; Virtual reality | English | 2020 | 2020-02 | 10.3390/app10041218 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | A Novel Indoor Ranging Algorithm Based on a Received Signal Strength Indicator and Channel State Information Using an Extended Kalman Filter | With the increasing demand of location-based services, the indoor ranging method based on Wi-Fi has become an important technique due to its high accuracy and low hardware requirements. The complicated indoor environment makes it difficult for wireless indoor ranging systems to obtain accurate distance measurements. This paper presents an Extended Kalman filter-based approach for indoor ranging by utilizing transmission channel quality metrics, including Received Signal Strength Indicator (RSSI) and Channel State Information (CSI). The proposed ranging algorithm scheme is implemented and validated with experiments in two typical indoor environments. A real indoor experiment demonstrates that the ranging estimation accuracy of our algorithms can be significantly enhanced compared with the typical algorithms. The ranging estimation accuracy is defined as the cumulative distribution function of the distance error. | Wang, Jingjing; Park, Joon Goo | Kyungpook Natl Univ, Sch Elect Engn, 80 Daehak Ro, Daegu 41566, South Korea; Kyungpook Natl Univ, Mobile Software & Nav Lab, Room 721,IT-1,80 Daehak Ro, Daegu 41566, South Korea | 57202161515; 24329712800 | wjj0219@naver.com;jgpark@knu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 11 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 1.32 | 2025-06-25 | 16 | 20 | indoor ranging algorithm; channel state information; received signal strength indicator; extended Kalman filter | LOCALIZATION | Channel state information; Extended kalman filter; Indoor ranging algorithm; Received signal strength indicator | English | 2020 | 2020-06 | 10.3390/app10113687 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | A Secure and Efficient Three-Factor Authentication Protocol in Global Mobility Networks | With the developments in communication and mobile technologies, mobile users can access roaming services by utilizing a mobile device at any time and any place in the global mobility networks. However, these require several security requirements, such as authentication and anonymity, because the information is transmitted over an open channel. Thus, secure and efficient authentication protocols are essential to provide secure roaming services for legitimate users. In 2018, Madhusudhan et al. presented a secure authentication protocol for global mobile networks. However, we demonstrated that their protocol could not prevent potential attacks, including masquerade, session key disclosure, and replay attacks. Thus, we proposed a secure and efficient three-factor authentication protocol to overcome the security weaknesses of Madhusudhan et al.'s scheme. The proposed scheme was demonstrated to prevent various attacks and provided a secure mutual authentication by utilizing biometrics and secret parameters. We evaluated the security of the proposed protocol using informal security analysis and formal security analysis, such as the real-or-random (ROR) model and Burrows-Abadi-Needham (BAN) logic. In addition, we showed that our scheme withstands man-in-the-middle (MITM) and replay attacks utilizing formal security validation automated validation of internet security protocols and applications (AVISPA) simulation. Finally, we compared the performance of our protocol with existing schemes. Consequently, our scheme ensured better security and efficiency features than existing schemes and can be suitable for resource-constrained mobile environments. | Yu, SungJin; Lee, JoonYoung; Park, YoHan; Park, YoungHo; Lee, SangWoo; Chung, BoHeung | Kyungpook Natl Univ, Sch Elect Engn, Daegu 41566, South Korea; Keimyung Univ, Sch Comp Engn, Daegu 42601, South Korea; Elect & Telecommun Res Inst, Daejeon 34129, South Korea | Lee, JoonYoung/AAM-9838-2021 | 57203974524; 57203970123; 55660095600; 56962990300; 57201864359; 57214639923 | darkskiln@knu.ac.kr;harry250@naver.com;yhpark@kmu.ac.kr;parkyh@knu.ac.kr;ttomlee@etri.re.kr;bhjung@etri.re.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 10 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 1.4 | 2025-06-25 | 21 | 24 | authentication; global mobility networks; roaming service; BAN logic; ROR model; AVISPA simulation | ROAMING SERVICE; KEY EXCHANGE; SCHEME; ANONYMITY | Authentication; AVISPA simulation; BAN logic; Global mobility networks; Roaming service; ROR model | English | 2020 | 2020-05 | 10.3390/app10103565 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | A Simple Analytical Solution for the Designing of the Birdcage RF Coil Used in NMR Imaging Applications | A novel analytical solution for the designing of the birdcage RF coil has been demonstrated in this paper. A new concept of dominant resonance path has been introduced in this paper which is used to identify the specific closed current loop in the birdcage RF coil which is responsible for the dominant resonance frequency mode. This concept is used to determine the precise numerical values of the lumped capacitance deployed in the legs and/or end-rings of the birdcage RF coil for its proper operation at the desired resonance frequency. The analytical solution presented in this paper has been established by performing the two-port network based equivalent circuit modeling of the birdcage RF coil. The proposed analytical solution uses T-matrix theory and develops a relationship between the input impedance of the birdcage coil and the impedances of its leg and end-ring segments. The proposed analytical solution provides the information about the resonance frequency spectrum of the birdcage RF coil and solves the issue of its interfacing with external circuits without affecting its resonance characteristics. Based upon the proposed analysis and designing strategy presented in this paper, the low pass, high pass and band pass configurations of the birdcage RF coil were successfully implemented with FPCB (Flexible Printed Circuit board) technique for small volume NMR imaging applications at 1.5 T and 3.0 T MRI system. The results obtained for the implemented birdcage coils using the proposed analysis and designing technique are in closed agreement with already established methods. | Kim, Young Cheol; Kim, Hyun Deok; Yun, Byoung-Ju; Ahmad, Sheikh Faisal | Kyungpook Natl Univ, Inst Adv Convergence Technol, 80 Daehak Ro, Daegu 41566, South Korea; Kyungpook Natl Univ, Coll IT Engn, Sch Elect Engn, 80 Daehak Ro, Daegu 41566, South Korea | ; Kim, Yong Joon/IQS-7291-2023 | 57218240460; 55663858300; 7006416932; 37074158500 | yckim@knu.ac.kr;hdkim@knu.ac.kr;bjisyun@ee.knu.ac.kr;faisalthestar@knu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 7 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 1.09 | 2025-06-25 | 18 | 18 | MRI system; birdcage coil; birdcage configurations; coil capacitance; analytical solution; equivalent circuit modelling; T-matrix theory; 3D-EM simulation; small volume RF coil | MAGNETIC-RESONANCE; CAGE RESONATOR; EFFICIENT | 3D-EM simulation; Analytical solution; Birdcage coil; Birdcage configurations; Coil capacitance; Equivalent circuit modelling; MRI system; Small volume RF coil; T-matrix theory | English | 2020 | 2020-04 | 10.3390/app10072242 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Accuracy of Five Intraoral Scanners and Two Laboratory Scanners for a Complete Arch: A Comparative In Vitro Study | This study aims to evaluate the accuracy of five different intraoral scanners and two different laboratory scanners for a complete arch. A computer-aided design (CAD) reference model (CRM) was obtained using industrial scanners. A CAD test model (CTM) was obtained using five types of intraoral scanners (CS3500, CS3600, Trios2, Trios3, and i500) and two types of laboratory scanners (3shape E1 and DOF) (N = 20). In addition, the CRM and CTM were superimposed using a 3D inspection software (Geomagic control X; 3D Systems) and 3D analysis was performed. In the 3D analysis, the accuracy was measured by the type of tooth, the anterior and posterior region, and the overall region. As for the statistical analysis of the accuracy, the differences were confirmed using the Kruskal-Wallis H test (alpha = 0.05). Also, the differences between the groups were analyzed by post-hoc tests including Mann-Whitney U-test and Bonferroni correction method (alpha = 0.0017). There was a significant difference in the scanning accuracy of the complete arch according to the type of scanner (P < 0.001). The i500 Group showed the lowest accuracy (143 +/- 69.6 mu m), while the 3Shape E1 Group was the most accurate (14.3 +/- 0.3 mu m). Also, the accuracy was lower in the posterior region than in the anterior region in all types of scanners (P < 0.001). Scanning accuracy of the complete arch differed depending on the type of scanner. While three types of intraoral scanners (CS3500, CS3600, Trios3) can be recommended for scanning of a complete arch, the two remaining types of intraoral scanners (Trios2 and i500) cannot be recommended. | Kang, Byung-hyun; Son, Keunbada; Lee, Kyu-bok | Kyungpook Natl Univ, Sch Dent, Dept Prosthodont, Daegu 41940, South Korea; Kyungpook Natl Univ, Grad Sch, Dept Dent Sci, Daegu 41940, South Korea; Kyungpook Natl Univ, Adv Dent Device Dev Inst, Daegu 41940, South Korea | Son, Keunbada/AAG-8089-2019; SON, Keunbada/AAG-8089-2019 | 57214835578; 57202916520; 15925571200 | bamggun@hanmail.net;sonkeunbada@gmail.com;kblee@knu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 1 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 1.25 | 2025-06-25 | 25 | 26 | intraoral scanner; accuracy; digital workflow; complete arch; dentistry | IMPRESSIONS; PRECISION; FIT | Accuracy; Complete arch; Dentistry; Digital workflow; Intraoral scanner | English | 2020 | 2020-01 | 10.3390/app10010074 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Active Sonar Target Classification with Power-Normalized Cepstral Coefficients and Convolutional Neural Network | Featured Application The underwater target classification algorithm proposed in this paper can be applied to an active sonar system to detect long-range targets. Detection and classification of unidentified underwater targets maneuvering in complex underwater environments are critical for active sonar systems. In previous studies, many detection methods were applied to separate targets from the clutter using signals that exceed a preset threshold determined by the sonar console operator. This is because the high signal-to-noise ratio target has enough feature vector components to separate. However, in a real environment, the signal-to-noise ratio of the received target does not always exceed the threshold. Therefore, a target detection algorithm for various target signal-to-noise ratio environments is required; strong clutter energy can lead to false detection, while weak target signals reduce the probability of detection. It also uses long pulse repetition intervals for long-range detection and high ambient noise, requiring classification processing for each ping without accumulating pings. In this study, a target classification algorithm is proposed that can be applied to signals in real underwater environments above the noise level without a threshold set by the sonar console operator, and the classification performance of the algorithm is verified. The active sonar for long-range target detection has low-resolution data; thus, feature vector extraction algorithms are required. Feature vectors are extracted from the experimental data using Power-Normalized Cepstral Coefficients for target classification. Feature vectors are also extracted with Mel-Frequency Cepstral Coefficients and compared with the proposed algorithm. A convolutional neural network was employed as the classifier. In addition, the proposed algorithm is to be compared with the result of target classification using a spectrogram and convolutional neural network. Experimental data were obtained using a hull-mounted active sonar system operating on a Korean naval ship in the East Sea of South Korea and a real maneuvering underwater target. From the experimental data with 29 pings, we extracted 361 target and 3351 clutter data. It is difficult to collect real underwater target data from the real sea environment. Therefore, the number of target data was increased using the data augmentation technique. Eighty percent of the data was used for training and the rest was used for testing. Accuracy value curves and classification rate tables are presented for performance analysis and discussion. Results showed that the proposed algorithm has a higher classification rate than Mel-Frequency Cepstral Coefficients without affecting the target classification by the signal level. Additionally, the obtained results showed that target classification is possible within one ping data without any ping accumulation. | Lee, Seungwoo; Seo, Iksu; Seok, Jongwon; Kim, Yunsu; Han, Dong Seog | Agcy Def Dev, Jinhae 51678, South Korea; Changwon Natl Univ, Dept Informat & Commun, Chang Won 51140, South Korea; Kyungpook Natl Univ, Sch Elect Engn, Daegu 41566, South Korea | Han, Dong Seog/N-8949-2018 | 57190837193; 57197738001; 7004618251; 57220040389; 7403219442 | swlee16@knu.ac.kr;seois@add.re.kr;jwseok@changwon.ac.kr;asd8780@gmail.com;dshan@knu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 23 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 0.78 | 2025-06-25 | 12 | 17 | target classification; active sonar; MFCC; PNCC; convolutional neural network | Active sonar; Convolutional neural network; MFCC; PNCC; Target classification | English | 2020 | 2020-12 | 10.3390/app10238450 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Alterations in Surface Roughness and Chemical Characteristics of Sandblasted and Acid-Etched Titanium Implants after Irradiation with Different Diode Lasers | The purpose of this study was to evaluate the effects of diode laser irradiation with different wavelengths on the surface roughness (Ra) and chemical composition of sandblasted and acid-etched (SLA) titanium implants. Three types of diode lasers with different wavelengths were irradiated on the titanium implants at output powers of 1.0, 2.0, and 3.0 W. The mean Ra values for all spots were measured using a scanning probe microscope. Analysis of variance tests were performed to verify the differences in the Ra between groups according to the type of lasers or power out (alpha = 0.05). For analyzing chemical composition, atomic and weight percent ratios of titanium, oxygen, and carbon were measured using energy-dispersive spectrometry (EDS). The mean Ra of titanium disc was higher in the 3.0-W output than in 1.0-W or 2.0-W output, but there was no statistically significant difference (p> 0.05). In EDS analysis, it was difficult to find a clear difference in the titanium, oxygen, and carbon element ratios between the laser-irradiated and nonirradiated groups. The irradiation of diode laser with 1.0, 2.0, and 3.0 W output for 15 s decontaminated the SLA titanium surface without damage. However, additional clinical trials will be needed to verify the results of the present study. | Kim, Hak-Ki; Park, Su-Yeon; Son, Keunbada; Kim, Yong-Gun; Yu, Won-Jae; Lee, Kyu-Bok; Lee, Jae-Mok | Kyungpook Natl Univ, Sch Dent, Dept Periodontol, Daegu 41940, South Korea; Kyungpook Natl Univ, Adv Dent Device Dev Inst, Daegu 41940, South Korea; Kyungpook Natl Univ, Grad Sch, Dept Dent Sci, Daegu 41940, South Korea; Kyungpook Natl Univ, Sch Dent, Dept Orthodont, Daegu 41940, South Korea; Kyungpook Natl Univ, Sch Dent, Dept Prosthodont, Daegu 41940, South Korea | SON, Keunbada/AAG-8089-2019; Son, Keunbada/AAG-8089-2019 | 57214224319; 57223154616; 57202916520; 55622694400; 14829839400; 15925571200; 17346330000 | ellys109@knu.ac.kr;gentlemotion@knu.ac.kr;sonkeunbada@knu.ac.kr;periokyg@knu.ac.kr;wonjaeyu@knu.ac.kr;kblee@knu.ac.kr;leejm@knu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 12 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 0.23 | 2025-06-25 | 6 | 4 | dental implant; titanium; lasers; semiconductor; microscopy; spectrum analysis | DENTAL IMPLANTS; DISCS; ER/YAG | Dental implant; Lasers; Microscopy; Semiconductor; Spectrum analysis; Titanium | English | 2020 | 2020-06 | 10.3390/app10124167 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Applicability of Formwork Automation Design Software for Aluminum Formwork | In this study, by applying the developed formwork automation design software to three target structures, we reviewed the applicability of the formwork automation design software for the aluminum formwork. To apply the formwork automation design software, we built an aluminum formwork library based on the conversion of two-dimensional (2D) computer-aided design (CAD) data to three-dimensional building information modeling data for all the components of the aluminum formwork. The results of the automated formwork layout on the target structures using the formwork automation design software confirmed that the wall and deck members were laid out by the set algorithm according to the formwork size and direction. However, because of the limited functionality of the software, the level of completion of the formwork layout was found to be lower than that of the manual formwork layout based on 2D CAD data. The currently developed software is based on a simple algorithm, but has a drawback in that the automated layout is limited to only some of its members. Therefore, additional research should be conducted on the development of advanced software through the diversification of the algorithm, automation of preprocessing of the mesh, and analysis of the relationships of all the members comprising the formwork. | Lee, Bokyeong; Choi, Hyeonggil; Min, Byongwang; Lee, Dong-Eun | Kyungpook Natl Univ, Intelligent Construct Automat Ctr, Daegu 41566, South Korea; Kyungpook Natl Univ, Sch Architecture Civil Environm & Energy, Daegu 41566, South Korea; Mn nH Inc, Seoul 04793, South Korea | 57075263600; 56430165800; 57220924577; 56605563300 | bokyeonglee11@gmail.com;hgchoi@knu.ac.kr;min@mn-nh.com;dolee@knu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 24 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 0.54 | 2025-06-25 | 7 | 9 | formwork automation design software; aluminum formwork; formwork library; formwork layout; 3D BIM data | PLANNING-MODEL; LAYOUT; SAFETY; SYSTEM | 3D BIM data; Aluminum formwork; Formwork automation design software; Formwork layout; Formwork library | English | 2020 | 2020-12 | 10.3390/app10249029 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Assessment of Optimum CaO Content Range for High Volume FA Based Concrete Considering Durability Properties | There have been many studies on the effect of durability and compressive strength on the increase of the mixing rate of admixtures. However, there is no research that can provide a guide on the optimal mixture proportions for maintaining compressive strength and secure durability properties when using local materials. Therefore, the purpose of this article is to assess the durability and engineering performances of concrete based on local fly ash (FA), as well as to derive the optimum CaO content scope for ensuring durability. The results of this study were compared with the results of the previous study of high-volume ground-granulated blast-furnace slag (GGBFS) concrete. To achieve this, tests were carried out by increasing the admixture mixing rate in 10% increments from 0% to 70%. The unit water was set at 175 kg/m(3) and the amount of binder was set at 330 kg/m(3). It was found that the overall compressive strength of the hardened concrete decreased when the admixture mixing rate increased. In addition, the compressive strength of specimens tended to improve as all the CaO contents of the admixture types increased. When the durability properties were examined, it was found that the relative dynamic elasticity modulus and carbonation depth decreased, and the chloride penetration depth increased as the CaO content increased for both GGBFS and FA. The weight loss rate, however, remained similar. Based on the results of this study, the optimal CaO content that achieved satisfactory engineering and durability properties was found to be between 39% and 48% for FA. The results of this study will be able to offer guidelines for the mixture rates of FA when mixing durable concrete for use in the field. Additionally, these results are expected to be utilized as a basis for determining instructions relating to chemical composition in order to develop binders with improved durability. | Lee, Jaehyun; Lee, Taegyu; Choi, Hyeonggil; Lee, Dong-Eun | Seoul Natl Univ Sci & Technol, Dept Safety Engn, 232 Gongneung Ro, Seoul 01811, South Korea; Semyung Univ, Dept Fire & Disaster Prevent, 65 Semyung Ro, Jecheon Si 27136, Choongbuk, South Korea; Kyungpook Natl Univ, Sch Architecture Civil Environm & Energy Engn, Daegu 41566, South Korea | ; Lee, Jaehyun/ABB-9148-2020 | 57211397021; 7501437272; 56430165800; 56605563300 | archi0528@seoultech.ac.kr;ltg777@semyung.ac.kr;hgchoi@knu.ac.kr;dolee@knu.ac.kr; | APPLIED SCIENCES-BASEL | APPL SCI-BASEL | 2076-3417 | 10 | 19 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, MULTIDISCIPLINARY;MATERIALS SCIENCE, MULTIDISCIPLINARY;PHYSICS, APPLIED | 2020 | 2.679 | 41.7 | 0.39 | 2025-06-25 | 8 | 9 | durability properties; ordinary Portland cement (OPC); ground-granulated blast-furnace slag (GGBFS); fly ash (FA) | BLAST-FURNACE SLAG; GRANULATED BLASTFURNACE SLAG; FLY-ASH; RESISTANCE; EFFICIENCY | Durability properties; Fly ash (FA); Ground-granulated blast-furnace slag (GGBFS); Ordinary Portland cement (OPC) | English | 2020 | 2020-10 | 10.3390/app10196944 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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