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○ | ○ | Article | Graphitization behavior of medium-carbon high-silicon steel and its dependence on temperature and grain size | The graphitization behavior of medium-carbon, high-silicon steel (Fe-0.55C-2.3Si) is investigated with particular focus on the effects of heat-treatment temperature and initial grain size on the graphitization rate and mechanical properties. With the progress of heat treatment, pearlite gradually disappears because of the decomposition of the cementite layers and graphites are formed because of the diffusion and aggregation of carbon atoms; these occurrences lead to a gradual decrease in the hardness of the material. A higher heat-treatment temperature promotes the graphitization behavior, which consequently leads to a decrease in the time taken for completion of graphitization and an increase in the average graphite size. Graphites are dominantly formed at grain boundaries owing to the high energy and disordered atomic arrangements at these boundaries. Further, because grain boundaries act as graphite nucleation sites, a smaller grain size corresponds to faster graphitization as well as the formation of finer and more abundant graphites. The complete graphitization treatment causes a significant reduction in the tensile and compressive strengths of the material and a considerable improvement in its ductility and cold forgeability. | Kim, Ye Jin; Bae, Sang Woo; Lim, Nam Suk; Park, Sung Hyuk | Kyungpook Natl Univ, Sch Mat Sci & Engn, Daegu 41566, South Korea; POSCO, POSCO Tech Res Labs, Pohang 37859, South Korea | Park, Sung-Hyuk/AAE-6726-2022 | 59052467200; 57192585983; 50161768100; 54786002500 | sh.park@knu.ac.kr; | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | MAT SCI ENG A-STRUCT | 0921-5093 | 1873-4936 | 785 | SCIE | MATERIALS SCIENCE, MULTIDISCIPLINARY;METALLURGY & METALLURGICAL ENGINEERING;NANOSCIENCE & NANOTECHNOLOGY | 2020 | 5.234 | 9.4 | 0.75 | 2025-06-25 | 11 | 12 | High-silicon steel; Graphitization; Microstructure; Hardness; Mechanical properties | MECHANICAL-PROPERTIES; BOUNDARY DIFFUSION; GRAPHITE FORMATION; MICROSTRUCTURE; DISSOLUTION; IRON; SPHEROIDIZATION; NUCLEATION; PARTICLES; CEMENTITE | Graphitization; Hardness; High-silicon steel; Mechanical properties; Microstructure | Carbides; Compressive strength; Grain boundaries; Grain size and shape; Graphite; Graphitization; Heat treatment; Silicon; Silicon steel; Carbon atoms; Effect of heat treatments; Grain-boundaries; Grainsize; Graphite sizes; Graphitization behaviors; Graphitization rates; Heat treatment temperature; High-silicon steel; Initial grain size; Hardness | English | 2020 | 2020-05-21 | 10.1016/j.msea.2020.139392 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | Article | High-Resistance Fault Control in Permanent Magnet Synchronous Motors | A difficult problem of a high-resistance (HR) connection for permanent magnet synchronous motor (PMSM) drives is investigated in this article. The presence of HR affects stator currents in such a way to deviate from their reference currents in the vector-control structure of the drive, which degrades the performance, reliability, and efficiency of the system. Unlike existing schemes, which are limited to detection of the HR connection, in this article, a current-control scheme based on a higher order sliding mode is designed to not only detect, but also provide fault-tolerant control simultaneously. The HR connection control is obtained by canceling extra dynamics (which are generated due to the HR connection) in the considered PMSM current model, which provides accurate tracking of actual current dynamics (d,q) to the reference currents. Moreover, the HR is also estimated from the robust sliding-mode control terms to monitor the asymmetry in the faulted phase. Simulation and experimental results on a three-phase laboratory test PMSM confirm the validity of the proposed scheme for various cases of stator phase resistances. © 2019 IEEE. | Kommuri, Suneel Kumar; Park, Yonghyun; Lee, Sang Bin | School of Electronics Engineering, Kyungpook National University, Daegu, South Korea; School of Electrical Engineering, Korea University, Seoul, South Korea; School of Electrical Engineering, Korea University, Seoul, South Korea | 56021916300; 57203425405; 7601396732 | sangbinlee@korea.ac.kr; | IEEE/ASME Transactions on Mechatronics | IEEE-ASME T MECH | 1083-4435 | 1941-014X | 25 | 1 | SCIE | AUTOMATION & CONTROL SYSTEMS;ENGINEERING, ELECTRICAL & ELECTRONIC;ENGINEERING, MANUFACTURING;ENGINEERING, MECHANICAL | 2020 | 5.303 | 9.4 | 1.32 | 2025-06-25 | 25 | AC electric machines; condition monitoring; current control; high-resistance (HR) connection; permanent magnet synchronous motors (PMSMs) | Condition monitoring; Electric current control; Permanent magnets; Robust control; Sliding mode control; Stators; Synchronous motors; AC electric machines; Current control schemes; Fault tolerant control; High resistance; Higher order sliding modes; Permanent Magnet Synchronous Motor; Permanent magnet synchronous motor drives; Permanentmagnet synchronous motor (PMSMs); Electric machine control | English | Final | 2020 | 10.1109/tmech.2019.2951015 | 바로가기 | 바로가기 | 바로가기 | |||||||
○ | ○ | Article | Plastic anisotropy of multi-pass caliber-rolled Mg alloy with split texture distribution | Multi-pass caliber-rolled Mg alloys possess a unique basal texture with split basal poles that are in contrast to alloys subjected to other plastic deformation processes. The intrinsic nature of texture development allows anisotropic material properties, which are elucidated in this study. Caliber-rolled Mg alloys were compressed along the rolling, transverse, and normal directions, to cause plastic anisotropy. These alloys presented distinct differences in compressive flow behaviors, deformation modes, and twinning characteristics (in terms of fraction, active variant, and propagation). The basal slip isotropically accommodated compressive deformation, whereas the {10-12} extension twinning and prismatic slip exhibited selective activation depending on the loading vector. Such disparities were interpreted in terms of the Schmid factor, in-grain misorientation axes analysis, and geometrical compatibility parameter. | Kwak, Byung Je; Park, Sung Hyuk; Moon, Young Hoon; Lee, Jeong Hun; Lee, Taekyung | Pusan Natl Univ, Sch Mech Engn, Busan 46241, South Korea; Korea Inst Ind Technol, Adv Forming Proc R&D Grp, Ulsan 44413, South Korea; Kyungpook Natl Univ, Sch Mat Sci & Engn, Daegu 41566, South Korea | Lee, Jeong Hun/KFS-8195-2024; Lee, Taekyung/JJD-6006-2023; Park, Sung-Hyuk/AAE-6726-2022 | 57209463503; 54786002500; 13005372400; 54785958500; 55386632500 | pocion@kitech.re.kr;taeklee@pnu.ac.kr; | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | MAT SCI ENG A-STRUCT | 0921-5093 | 1873-4936 | 788 | SCIE | MATERIALS SCIENCE, MULTIDISCIPLINARY;METALLURGY & METALLURGICAL ENGINEERING;NANOSCIENCE & NANOTECHNOLOGY | 2020 | 5.234 | 9.4 | 1.27 | 2025-06-25 | 23 | 24 | Magnesium alloy; Caliber rolling; Texture; Plastic anisotropy; Schmid factor; In-grain misorientation axes | STRENGTH-DUCTILITY BALANCE; CHANNEL ANGULAR EXTRUSION; MAGNESIUM ALLOY; POLYCRYSTALLINE MAGNESIUM; MECHANICAL-PROPERTIES; DEFORMATION-BEHAVIOR; HARDENING BEHAVIOR; SLIP; AZ31; YIELD | Caliber rolling; In-grain misorientation axes; Magnesium alloy; Plastic anisotropy; Schmid factor; Texture | Anisotropy; Magnesium alloys; Rolling; Basal textures; Caliber rolling; Deformation process; Grain misorientation; In-grain misorientation axis; Mg alloy; Multi-pass; Plastic anisotropy; Schmid factors; Textures distribution; Textures | English | 2020 | 2020-06-24 | 10.1016/j.msea.2020.139496 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | ○ | Article | A genome-wide association study for the detection of genes related to apple Marssonina Blotch disease resistance in apples | Apple Marssonina Blotch (AMB), commonly referred to as apple blotch disease, is caused by Diploccupon mali and represents one of the major diseases in Korean apple orchards. AMB can occur on the leaves and fruit, which lowers fruit quality and leads to early defoliation, reducing tree vigor and growth. In this study, a genome-wide association study (GWAS) was conducted to detect genes that may affect AMB disease infection. A multi-locus random SNP effect mixed linear model (mrMLM) method GWAS analysis was conducted with 192 apple germplasms (Males spp.) in the Apple Research Institute at the National Institute of Horticultural & Herbal Science, Gunwi, Korea. Highly significant five SNP loci were selected from the results of the GWAS analysis and based on the Haploview 4.2 LD analysis data, candidate genes linked five SNP loci and their predicted functions were identified association to AMB resistance by Basic Local Alignment Search Tool of the National Center for Biotechnology Information. One of these candidate genes was identified include leucine rich repeat structure by BLAST. Highly susceptible and resistant cultivars to AMB were separately distinguished in the high resolution melting analysis using primers from two significant loci. Thus, the candidate genes linked to these two SNP loci are potentially strongly associated with AMB resistance. | Noh, Jiheun; Do, Yun Su; Kim, Gi Hoon; Choi, Cheol | Kyungpook Natl Univ, Coll Agr & Life Sci, Dept Hort, Daegu 41566, South Korea; Natl Inst Hort & Herbal Sci, Apple Res Inst, RDA, Gunwi 39000, South Korea | Kim, Eel-Hwan/AAM-6927-2020 | 57208299324; 56806395200; 56482554300; 50261314300 | cc31@knu.ac.kr; | SCIENTIA HORTICULTURAE | SCI HORTIC-AMSTERDAM | 0304-4238 | 1879-1018 | 262 | SCIE | HORTICULTURE | 2020 | 3.463 | 9.5 | 0.77 | 2025-06-25 | 10 | 11 | Apple; Genotyping by sequencing; Next-generation sequencing; Genome-wide association study; Apple marssonina blotch; Marssonina mali | QUALITY; GWAS | Apple; Apple marssonina blotch; Genome-wide association study; Genotyping by sequencing; Marssonina mali; Next-generation sequencing | Korea; Diplocarpon; Malus; Malus x domestica; cultivar; deciduous forest; deciduous tree; disease resistance; genetic analysis; genome; infectious disease; orchard; pathogen | English | 2020 | 2020-02-27 | 10.1016/j.scienta.2019.108986 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | ○ | Review | Application of nano-silver particles to control the postharvest biology of cut flowers: A review | The postharvest longevity and quality of cut flowers are affected by floral senescence and petal abscission, which primarily result from both ethylene production in the floral organs (such as the petals and gynoecium) and microbial growth in the xylem vessels in ethylene-sensitive flowers, while microbial growth plays a more crucial role in ethylene-insensitive flowers. Several approaches have been proposed to improve these postharvest traits, many of which use chemicals to inhibit ethylene biosynthesis and bacterial growth. However, the use of nanotechnology in the agricultural industry has been increasing in the last decade due to its ability to increase agricultural production and reduce postharvest waste. In particular, nano-silver (NS) particles have been used as ethylene inhibitors and antimicrobial agents in packaging to extend the vase life of horticultural products (i.e., fruits, vegetable, and flowers). In this review, we outline the role of NS particles in the suppression of ethylene production and microbial growth in cut flowers and discuss how the concentration and size of NS particles, incubation time, and plant genotype affect postharvest longevity. In addition, we highlight recent results on the application of biologically synthesized NS particles in packaging and postharvest management within the horticultural industry. We expect that this review will provide useful information on the benefits of using NS particles to control the postharvest biology of horticultural products, particularly with respect to improving the vase life of cut flowers. | Naing, Aung Htay; Kim, Chang Kil | Kyungpook Natl Univ, Dept Hort, Daegu, South Korea | Naing, Aung Htay/AAF-4277-2019 | 37112768100; 7409880701 | ckkim@knu.ac.kr; | SCIENTIA HORTICULTURAE | SCI HORTIC-AMSTERDAM | 0304-4238 | 1879-1018 | 270 | SCIE | HORTICULTURE | 2020 | 3.463 | 9.5 | 1.27 | 2025-06-25 | 37 | 44 | Bacteria; Ethylene; Flower longevity; Nanotechnology | IMPROVE WATER RELATIONS; VASE-LIFE; ETHYLENE RECEPTOR; CARNATION FLOWERS; NANOPARTICLES SNP; BIOFILM FORMATION; PETAL SENESCENCE; 1-METHYLCYCLOPROPENE; BACTERIA; QUALITY | Bacteria; Ethylene; Flower longevity; Nanotechnology | Bacteria (microorganisms); biological development; cutting (process); ethylene; flower; genotype-environment interaction; harvesting; longevity; nanoparticle; physiological response; phytohormone; silver | English | 2020 | 2020-08-25 | 10.1016/j.scienta.2020.109463 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | ○ | Article | Differential gene expression and epigenetic analyses between striped and blushed skinned sports of 'Fuji' apple | The 'Fuji' apple is a very popular cultivar because of its high inner quality, and the fruits have an attractive striped pattern. Interestingly, 'Beni Shogun', its color enhanced somatic mutant, exhibits a blushed skin, but little is known about the mechanisms that lead to this different skin patterning. In this study, 'Fuji' and 'Beni Shogun' apples were characterized at five developmental stages. The expression of pigment biosynthesis genes that are responsible for the ground and superimposed skin colors was evaluated. Our L* and a*/b* values data indicates that the blushed skin color of 'Beni Shogun' fruits is associated with more anthocyanin accumulation than in the striped skin color of 'Fuji' fruits. This can be explained especially by a higher level of MdMYB10 transcript in 'Beni Shogun', which activates expression of structural genes encoding enzymes of the anthocyanin biosynthetic pathway. It is also seen the connection between reduced methylation of MR7 of seven randomly divided MdMYB10 promoter and increased fully redness in the 'Beni Shogun' skin. | Cho, Hye Jeong; Kim, Gi Hoon; Choi, Cheol | Kyungpook Natl Univ, Coll Agr & Life Sci, 80 Daehakro, Bukgu 41566, Daegu, South Korea | 57211313145; 56482554300; 50261314300 | cc31@knu.ac.kr; | SCIENTIA HORTICULTURAE | SCI HORTIC-AMSTERDAM | 0304-4238 | 1879-1018 | 261 | SCIE | HORTICULTURE | 2020 | 3.463 | 9.5 | 2.32 | 2025-06-25 | 24 | 26 | Apple; Somatic variation; Skin pattern; Carotenoid; Anthocyanin; Gene expression; Methylation analyses | MALUS X DOMESTICA; ANTHOCYANIN BIOSYNTHETIC GENES; MOLECULAR-CLONING; RED; COLOR; ACCUMULATION; METHYLATION; PATTERN; QUALITY; PLANT | Anthocyanin; Apple; Carotenoid; Gene expression; Methylation analyses; Skin pattern; Somatic variation | Malus x domestica; biochemical composition; biochemistry; concentration (composition); cultivar; fruit; gene expression; methylation; pigment | English | 2020 | 2020-02-05 | 10.1016/j.scienta.2019.108944 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
○ | ○ | Article | Establishment of meristem culture for virus-free and genetically stable production of the endangered plant Hosta capitata | Hosta species endemic to Korea are currently suffering from infection with Hosta virus X (HVX), and it has been difficult to produce virus-free plants when using infected plants as a source of material for in vitro and vegetative propagation in continuous production processes. Genetic variation in in vitro-regenerated plants has also been detected in some Hosta cultivars. Therefore, we aimed to develop an in vitro propagation method for the production of virus-free and genetically stable plants. First, we collected Hosta capitata showing symptoms of viral infection and confirmed the presence of an HVX virus gene using reverse transcription (RT)-PCR, followed by optimization of the sterilization of in vivo bulbs. Meristems derived from sterilized bulbs were cultured in media containing different concentrations of 1-naphthaleneacetic acid (NAA) with either benzyl aminopurine (BA) or thidiazuron (TDZ). The combination of 0.1 mg/l NAA and 3.0 mg/l BA generated the highest number of shoots per explant, and these shoots had a higher fresh weight. The addition of nano-silver (NAg) particles to the regeneration medium distinctly stimulated plant growth. According to the results of RAPD analysis, the meristem-derived plants were genetically stable compared with donor plants grown in a greenhouse, and absence of the HVX gene was also observed, indicating freedom from HVX infection. Therefore, they would be highly valuable for use in the landscape industry. We expect that the method proposed in this study will also prove helpful for generating virus-free, genetically stable plants in the commercial production of other Hosta species. | Phyo Phyo Win Pe; Aung Htay Naing; May Thu Soe; Kang, Hyunhee; Park, Kyeung Il; Kim, Chang Kil | Yeungnam Univ, Dept Hort & Life Sci, Geyongsan, South Korea; Yezin Agr Univ, Dept Hort, Nay Pyi Taw, Myanmar; Kyungpook Natl Univ, Dept Hort Sci, Daegu, South Korea | Naing, Aung Htay/AAF-4277-2019 | 57210446910; 37112768100; 57217678838; 57217681910; 7408066185; 7409880701 | pki0217@yu.ac.kr;ckkim@knu.ac.kr; | SCIENTIA HORTICULTURAE | SCI HORTIC-AMSTERDAM | 0304-4238 | 1879-1018 | 272 | SCIE | HORTICULTURE | 2020 | 3.463 | 9.5 | 1.94 | 2025-06-25 | 14 | 23 | Endangered species; Plant growth regulator; Virus infection; Sterilization; Somaclonal variation | IN-VITRO-PROPAGATION; INVITRO-PROPAGATION; MOSAIC-VIRUS; NANO SILVER; TIP CULTURE; 1ST REPORT; REGENERATION; ELIMINATION; OVARIES | Endangered species; Plant growth regulator; Somaclonal variation; Sterilization; Virus infection | Korea; Hosta; Hosta capitata; Hosta virus X; biotechnology; endangered species; herb; infectivity; phytohormone; regrowth; sterilization; vegetative propagation; virus | English | 2020 | 2020-10-15 | 10.1016/j.scienta.2020.109591 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | ○ | Article | Fast and accurate online sequential learning of respiratory motion with random convolution nodes for radiotherapy applications | Accurate prediction of tumor motion for motion adaptive radiotherapy has been a challenge as respiration-induced motion is non-stationary in nature and often subjected to irregularities. Despite having a plethora of works for predicting this motion, their tracking capabilities are usually prone to large prediction errors due to the time-varying irregularities and intra-trace variabilities. To overcome this, prediction models are re-trained at regular intervals. This solution however demands a trade-off between the re-training interval and prediction accuracy in estimating the future tumor location. This is because re-training with small interval increases the computational requirements whereas a larger interval hampers the prediction performance. To address these issues, a prediction model that relies on random convolution nodes (RCN) governed by local receptive fields (LRFs) is proposed for respiratory motion prediction. The innate nature of LRFs extracts the features that contribute to the local-patterns as well as the non-stationary patterns in recent samples and subsequently learn them using extreme learning machine (ELM) theories. To address the re-training issue, we propose an online sequential learning framework (OS-fRCN) that can update the model parameters at regular intervals. Suitability of the proposed OS-fRCN for respiratory motion prediction is evaluated on 304 respiratory motion traces. Performance analysis conducted at four prediction horizons (in-line with the commercially available radiotherapy systems) demonstrated that the proposed OS-fRCN method requires less computational complexity and yields robust, accurate prediction performance when compared with existing prediction methods. (C) 2020 Elsevier B.V. All rights reserved. | Wang, Yubo; Yu, Zhibin; Sivanagaraja, Tatinati; Veluvolu, Kalyana C. | Xidian Univ, Sch Life Sci & Technol, Xian, Peoples R China; Ocean Univ China, Coll Informat Sci & Engn, Qingdao, Peoples R China; Nanyang Technol Univ, Sch Elect Engn, Singapore, Singapore; Kyungpook Natl Univ, Sch Elect Engn, Daegu, South Korea | Veluvolu, Kalyana/C-6366-2011; Yu, Zhibin/Z-1138-2019; Wang, Yubo/GPF-5357-2022 | 42662312900; 36999020600; 54947284700; 8703318200 | tatinati@ntu.edu.sg;veluvolu@ee.knu.ac.kr; | APPLIED SOFT COMPUTING | APPL SOFT COMPUT | 1568-4946 | 1872-9681 | 95 | SCIE | COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE;COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS | 2020 | 6.725 | 9.5 | 0.23 | 2025-06-25 | 10 | 9 | Radiotherapy; Respiratory motion; Random convolution nodes; Sequential learning | REAL-TIME PREDICTION; TUMOR MOTION; TRACKING SYSTEM; COMPENSATION; ALGORITHM; MODEL | Radiotherapy; Random convolution nodes; Respiratory motion; Sequential learning | Convolution; E-learning; Economic and social effects; Forecasting; Learning systems; Motion tracking; Radiotherapy; Respiratory mechanics; Tumors; Accurate prediction; Computational requirements; Extreme learning machine; Performance analysis; Prediction accuracy; Prediction performance; Radiotherapy applications; Respiratory motion prediction; Motion estimation | English | 2020 | 2020-10 | 10.1016/j.asoc.2020.106528 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | ○ | Article | Genetic evolution and transmission dynamics of clade 2.3.2.1a highly pathogenic avian influenza A/H5N1 viruses in Bangladesh | Asian lineage A/H5N1 highly pathogenic avian influenza viruses (HPAIVs) have been responsible for continuous outbreaks in Bangladesh since 2007. Although clades 2.2.2 and 2.3.4.2 HPAIVs have disappeared since poultry vaccination was introduced in 2012, clade 2.3.2.1a viruses have continued to be detected in Bangladesh. In this study, we identified A/H9N2 (n = 15), A/H5N1 (n = 19), and A/H5N1-A/H9N2 (n = 18) mixed viruses from live bird markets, chicken farms, and wild house crows (Corvus splendens) in Bangladesh from 2016 to 2018. We analyzed the genetic sequences of the H5 HPAIVs, to better understand the evolutionary history of clade 2.3.2.1a viruses in Bangladesh. Although seven HA genetic subgroups (B1-B7) and six genotypes (G1, G1.1, G1.2, G2, G2.1, and G2.2) have been identified in Bangladesh, only subgroup B7 and genotypes G2, G2.1, and G2.2 were detected after 2016. The replacement of G1 genotype by G2 in Bangladesh was possibly due to vaccination and viral competition in duck populations. Initially, genetic diversity decreased after introduction of vaccination in 2012, but in 2015, genetic diversity increased and was associated with the emergence of genotype G2. Our phylodynamic analysis suggests that domestic Anseriformes, including ducks and geese, may have played a major role in persistence, spread, evolution, and genotype replacement of clade 2.3.2.1a HPAIVs in Bangladesh. Thus, improvements in biosecurity and monitoring of domestic Anseriformes are needed for more effective control of HPAI in Bangladesh. | Kwon, Jung-Hoon; Lee, Dong-Hun; Criado, Miria Ferreira; Killmaster, Lindsay; Ali, Md Zulfekar; Giasuddin, Mohammad; Swayne, David E. | ARS, US Natl Poultry Res Ctr, USDA, 934 Coll Stn Rd, Athens, GA 30605 USA; Kyungpook Natl Univ, Coll Vet Med, 80 Daehakro, Daegu 41566, South Korea; Univ Connecticut, Dept Pathobiol & Vet Sci, 61 N Eagleville Rd, Storrs, CT 06269 USA; Bangladesh Livestock Res Inst, Anim Hlth Res Div, Natl Reference Lab Avian Influenza, Dhaka 1341, Bangladesh | ; Ali, Md/I-5799-2015; Swayne, David/AAP-7166-2020 | 55559800200; 55554985200; 27067498200; 35196419500; 56493701500; 6603458663; 35768368400 | david.swayne@usda.gov; | VIRUS EVOLUTION | VIRUS EVOL | 2057-1577 | 6 | 2 | SCIE | VIROLOGY | 2020 | 7.989 | 9.5 | 0.59 | 2025-06-25 | 22 | 16 | H5N1; highly pathogenic avian influenza; domestic duck; phylogenetic; genetic evolution | LIVE-BIRD MARKETS; A H5N1 VIRUS; A(H5N1) VIRUSES; POULTRY; VACCINE; HEMAGGLUTININ; IDENTIFICATION; PREVALENCE; WATERFOWL; EFFICACY | Domestic duck; Genetic evolution; H5N1; Highly pathogenic avian influenza; Phylogenetic | agricultural land; Anas platyrhynchos; article; Bangladesh; chicken; cladistics; competition; controlled study; Corvus; genetic variability; highly pathogenic avian influenza virus; Influenza A virus (H5N1); Influenza A virus (H9N2); nonhuman; vaccination | English | 2020 | 2020-07 | 10.1093/ve/veaa046 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | ○ | Article | High-performance symmetric supercapacitor; nanoflower-like NiCo2O4//NiCo2O4 thin films synthesized by simple and highly stable chemical method | In this study, flowers-like interconnected nanoflakes NiCo2O4 thin films were synthesized by the SILAR method for the fabrication of supercapacitor application. X-ray diffraction analysis revealed that the synthesized NiCo2O4 thin films exhibit polycrystalline nature, and FE-SEM images confirmed their highly porous-like surface area. The analysis of structural, elemental, and compositional properties of the NiCo2O4 thin films were confirmed, that the thin films were used as electrode material for supercapacitor applications used as electrode material for supercapacitor testing. As expected, the prepared NiCo2O4 thin films showed high stability and served as efficient materials for use in supercapacitors application. The NiCo2O4 thin films exhibited excellent cycling charge-discharge with a specific capacitance (C-S) of 1936 F g(-1) at a scan rate of 5 mV s(-1) in a 3 M KOH electrolyte. Cycling stability results revealed that NiCo2O4 thin films exhibit highly stable performance with a 94.5% retention. Symmetric supercapacitor performance presenting an energy density of 294.54 kW h kg(-1) and power density 7.8 W kg(-1), it indicates the NiCo2O4 based electrode is applicable for the practical applications in device fabrication of asymmetric and symmetric supercapacitor. The high performance of the NiCo2O4 thin films is possibly related to the presence of a highly porous surface morphology and stepwise effects of the SILAR cycle. (C) 2019 Elsevier B.V. All rights reserved. | Shinde, S. K.; Yadav, H. M.; Ramesh, Sivalingam; Bathula, C.; Maile, Nagesh; Ghodake, G. S.; Dhaygude, Haridas; Kim, D-Y | Dongguk Univ, Coll Life Sci & Biotechnol, Dept Biol & Environm Sci, 32 Dongguk Ro,Biomed Campus, Goyang Si 10326, Gyeonggi Do, South Korea; Dongguk Univ, Dept Energy & Mat Engn, Seoul 04620, South Korea; Dongguk Univ Seoul, Dept Mech Robot & Energy Engn, Seoul 04620, South Korea; Dongguk Univ Seoul, Div Elect & Elect Engn, Seoul 04620, South Korea; Kyungpook Natl Univ, Dept Environm Engn, 80 Daehak Ro, Daegu 41566, South Korea; Doodhsakhar Mahavidyalaya, Dept Phys, Bidri, India | Shinde, Santaji/LFT-9528-2024; Maile, Nagesh/AFD-8838-2022 | 55776351000; 55389590800; 57280606300; 36993734300; 57193804539; 22979024500; 56211461900; 55742887400 | sbpkim@gmail.com; | JOURNAL OF MOLECULAR LIQUIDS | J MOL LIQ | 0167-7322 | 1873-3166 | 299 | SCIE | CHEMISTRY, PHYSICAL;PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | 2020 | 6.165 | 9.5 | 3.3 | 2025-06-25 | 51 | 53 | Chemical synthesis; NiCo2O4 thin film; Nanoflower; Different nanostructures; Electrochemical study | ELECTROCHEMICAL ENERGY-STORAGE; NICKEL-COBALT OXIDE; NANOWIRE ARRAYS; CARBON NANOTUBE; ION BATTERIES; ELECTRODE MATERIALS; SPRAY-PYROLYSIS; NI FOAM; NICO2O4; NANOSHEETS | Chemical synthesis; Different nanostructures; Electrochemical study; Nanoflower; NiCo<sub>2</sub>O<sub>4</sub> thin film | Electric discharges; Electrodes; Electrolytes; Morphology; Nanoflowers; Nickel compounds; Potassium hydroxide; Supercapacitor; Surface morphology; Synthesis (chemical); X ray powder diffraction; Charge-discharge; Compositional properties; Cycling stability; Device fabrications; Electrochemical studies; Electrode material; Specific capacitance; Supercapacitor application; Thin films | English | 2020 | 2020-02-01 | 10.1016/j.molliq.2019.112119 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | ○ | Article | Quality of White mushroom (Agaricus bisporus) under argon- and nitrogen-based controlled atmosphere storage | This study was conducted to identify effective CA (Controlled Atmosphere) gas compositions for the storage of white mushrooms. We analyzed the quality characteristics of mushrooms inside argon-based and nitrogen-based CA storage. Mushrooms were stored under 5 different gas compositions in a chamber for 9 days at 4 degrees C. The CO2 production, weight loss and color change in 90% argon gas was lower than that of all other samples at the end of the storage period. Further, the samples in a CA retained their hardness during the 9-day storage time, unlike the control. The viable count of aerobic bacteria showed the highest value under the control condition. The smallest viable count of Pseudomonas spp. was detected under 75% nitrogen condition. Polyphenol oxidase activity was lowest under 75% argon condition. In summary, a 90% argon gas was shown to be the most effective at preventing deterioration in mushroom quality. | Park, Dae Hee; Park, Jong Jin; Olawuyi, Ibukunoluwa Fola; Lee, Won Young | Kyungpook Natl Univ, Sch Food Sci & Biotechnol, Daegu 41566, South Korea | Lee, Wonyoung/AAL-2780-2021; Olawuyi, Ibukunoluwa/H-1232-2018; Park, Jongjin/AAL-3484-2021 | 57195936828; 58602432200; 57204471854; 57195940408 | dae10200@naver.com;bjj1490@nate.com;ifolawuyi@knu.ac.kr;wonyoung@knu.ac.kr; | SCIENTIA HORTICULTURAE | SCI HORTIC-AMSTERDAM | 0304-4238 | 1879-1018 | 265 | SCIE | HORTICULTURE | 2020 | 3.463 | 9.5 | 2.58 | 2025-06-25 | 30 | 35 | Argon; Controlled atmosphere storage; Nitrogen; Quality; White mushroom | SHELF-LIFE; POSTHARVEST QUALITY; CITRIC-ACID; PSEUDOMONAS; REQUIREMENTS; ULTRASOUND; PREVENTION; CROPS | Argon; Controlled atmosphere storage; Nitrogen; Quality; White mushroom | Agaricus bisporus; Basidiomycota; Pseudomonas; argon; bacterium; mushroom; nitrogen; oxic conditions; storage; weight | English | 2020 | 2020-04-30 | 10.1016/j.scienta.2020.109229 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
○ | ○ | Article | Comparison of thrombus, gut, and oral microbiomes in Korean patients with ST-elevation myocardial infarction: a case-control study | ST-segment elevation myocardial infarction (STEMI) is characterized by thrombotic coronary artery occlusions caused by atherosclerotic plaque rupture. The gut microbiome potentially contributes to the pathogenesis of coronary artery diseases. This study investigated the microbial diversity and composition of coronary thrombi in STEMI patients and the composition of the thrombus microbiome relative to that of the oral and gut microbiomes. A case-control study was performed with 22 STEMI patients and 20 age- and sex-matched healthy controls. Coronary thrombi were acquired from STEMI patients via manual thrombus aspiration during primary coronary intervention. Oral swab and stool samples were collected from both groups, and 16S rRNA sequencing and metagenomic microbiome analyses were performed. Microbial DNA was detected in 4 of 22 coronary thrombi. Proteobacteria (p) and Bacteroidetes (p) were the most abundant phyla. The oral and gut microbiomes significantly differed between patients and healthy controls. The patient group presented microbial dysbiosis, as follows: a higher relative abundance of Proteobacteria (p) and Enterobacteriaceae (f) in the gut microbiome and a lower abundance of Firmicutes (p) and Haemophilus (g) in the oral microbiome. Furthermore, 4 significantly abundant genera were observed in the coronary thrombus in the patients: Escherichia, 1.25%; Parabacteroides, 0.25%; Christensenella, 0.0%; and Bacteroides, 7.48%. The present results indicate that the relative abundance of the gut and oral microbiomes was correlated with that of the thrombus microbiome. Heart disease: microbiome linked to heart attack Disruption to microbiome composition and functioning may contribute to heart attacks. The most serious form of heart attack is ST-segment elevation myocardial infarction (STEMI), where the coronary artery is blocked by ruptured plaques. Previous research has linked cardiovascular diseases with disruption to the microbiome, but links between STEMI and the microbiome are not yet clear. Si-Hyuck Kang at Seoul National University in Seongnam-si, South Korea, and co-workers analyzed oral, fecal, and coronary thrombus (blood clot) microbial samples from 22 STEMI patients and 20 healthy controls. They found significant differences in oral and gut microbiome composition between the two groups, including increased Proteobacteria phylum and Enterobacteriaceae species and decreased Firmicutes phylum in STEMI patients. Microbes matching patients' oral and gut bacteria were present in four thrombus samples, suggesting that microbes may influence clot formation and plaque rupture. | Kwun, Ju-Seung; Kang, Si-Hyuck; Lee, Hyo-Jung; Park, Han-Ki; Lee, Won-Jae; Yoon, Chang-Hwan; Suh, Jung-Won; Cho, Young-Seok; Youn, Tae-Jin; Chae, In-Ho | Seoul Natl Univ, Bundang Hosp, Cardiovasc Ctr, Seongnam Si, South Korea; Seoul Natl Univ, Coll Med, Dept Internal Med, Seoul, South Korea; Seoul Natl Univ, Bundang Hosp, Dept Periodontol, Sect Dent, Seongnam Si, South Korea; Kyungpook Natl Univ, Sch Med, Dept Internal Med, Daegu, South Korea | Park, Han-Ki/AAY-3102-2020; Yoon, Changhwan/MXM-0567-2025; Youn, Tae-Jin/J-5534-2012; Chae, In-Ho/J-5682-2012; Cho, Young-Seok/J-5670-2012; Kang, Si-Hyuck/AAR-9790-2020; Lee, Hyo-Jeong/AAI-1083-2020 | 57220856286; 35740757100; 59623951500; 57218664064; 57209047818; 7202882965; 35273808100; 16400657200; 34772316800; 35274374100 | eandp303@snu.ac.kr; | EXPERIMENTAL AND MOLECULAR MEDICINE | EXP MOL MED | 1226-3613 | 2092-6413 | 52 | 12 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;MEDICINE, RESEARCH & EXPERIMENTAL | 2020 | 8.718 | 9.6 | 1.05 | 2025-06-25 | 31 | 31 | CHAIN FATTY-ACIDS; CHLAMYDIA-PNEUMONIAE; INTESTINAL MICROBIOTA; SECONDARY PREVENTION; CORONARY SYNDROMES; AZITHROMYCIN; ATHEROSCLEROSIS; BACTERIA; EVENTS; HEALTH | Aged; Case-Control Studies; Disease Susceptibility; Dysbiosis; Female; Gastrointestinal Microbiome; Humans; Male; Metabolomics; Metagenome; Metagenomics; Microbiota; Middle Aged; Mouth; Public Health Surveillance; ST Elevation Myocardial Infarction; Thrombosis; DNA; RNA 16S; adult; Article; Bacteroidetes; biodegradation; case control study; clinical article; comparative study; controlled study; DNA extraction; Enterobacteriaceae; Escherichia; female; Firmicutes; Haemophilus; human; intestine flora; lipid metabolism; male; metagenomics; microbiome; middle aged; mouth flora; nucleotide metabolism; Parabacteroides; phylogeny; Proteobacteria; pyrosequencing; signal transduction; ST segment elevation myocardial infarction; thrombus microbiome; aged; complication; disease predisposition; dysbiosis; health survey; metabolomics; metagenome; microbiology; microflora; mouth; procedures; ST segment elevation myocardial infarction; thrombosis | English | 2020 | 2020-12 | 10.1038/s12276-020-00543-1 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
○ | Erratum | Correction: Curcumin inhibits cellular condensation and alters microfilament organization during chondrogenic differentiation of limb bud mesenchymal cells (Experimental and Molecular Medicine, (2009), 41, 9, (656), 10.3858/emm.2009.41.9.072) | After online publication of this article, the authors noticed an error in the Fig. 1B, Fig. 3B, and Fig. 4A. We accidently added the wrong western bands in Fig. 1B, Fig. 3B, and Fig. 4A. The authors apologize for any inconvenience caused. © 2020, The Author(s). | Kim, Dongkyun; Kim, Song-Ja; Kang, Shin-Sung; Jin, Eun-Jung | Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, 570-749, South Korea; Department of Life Sciences, College of Natural Sciences, Kongju National University, 314-701, Chungnam, South Korea; Department of Biological Sciences, College of Natural Sciences, Kyungpook National University, Daegu, 702-701, South Korea; Department of Biological Sciences, College of Natural Sciences, Wonkwang University, Iksan, 570-749, South Korea, Institute of Biotechnology, Wonkwang University, Iksan, 570-749, South Korea | 55742880300; 35310836700; 7405683517; 34570037700 | jineunjung@wku.ac.kr; | Experimental and Molecular Medicine | EXP MOL MED | 1226-3613 | 2092-6413 | 52 | 1 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;MEDICINE, RESEARCH & EXPERIMENTAL | 2020 | 8.718 | 9.6 | 0 | 2025-06-25 | 1 | erratum | English | Final | 2020 | 10.1038/s12276-019-0365-5 | 바로가기 | 바로가기 | 바로가기 | ||||||||
○ | Erratum | Correction: Isocitrate dehydrogenase 2 protects mice from high-fat diet-induced metabolic stress by limiting oxidative damage to the mitochondria from brown adipose tissue (Experimental & Molecular Medicine, (2020), 52, 2, (238-252), 10.1038/s12276-020-0379-z) | After the online publication of this article, the authors noticed an error in the Acknowledgments section. The correct statement of this article should read as follows. The authors wish to change grant number HR18C0012 to HI14C1324. Please add “This study was funded by the Ministry of Health Welfare, Republic of Korea (HI14C1324) to S.S.I.” in the Acknowledgments. The authors apologize for any inconvenience caused. Published online: 15 June 2020. © 2020, The Author(s). | Lee, Jae-Ho; Go, Younghoon; Kim, Do-Young; Lee, Sun Hee; Kim, Ok-Hee; Jeon, Yong Hyun; Kwon, Taeg Kyu; Bae, Jae-Hoon; Song, Dae-Kyu; Rhyu, Im Joo; Lee, In-Kyu; Shong, Minho; Oh, Byung-Chul; Petucci, Christopher; Park, Jeen-Woo; Osborne, Timothy F.; Im, Seung-Soon | Department of Physiology, Keimyung University School of Medicine, Daegu, 42601, South Korea; Department of Internal Medicine, School of Medicine Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, South Korea, Leading-Edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, Kyungpook National University Hospital, Daegu, 41404, South Korea, Korean Medicine Application Center, Korea Institute of Oriental Medicine, Daegu, 41062, South Korea; Department of Physiology, Keimyung University School of Medicine, Daegu, 42601, South Korea; Department of Physiology, Keimyung University School of Medicine, Daegu, 42601, South Korea; Department of Physiology, Lee Gil Ya Cancer and Diabetes Institute, Gachon University School of Medicine, Younsoo-gu, 21999, Inchon, South Korea; Laboratory Animal Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu, 41061, South Korea; Department of Immunology, Keimyung University School of Medicine, Daegu, 42601, South Korea; Department of Physiology, Keimyung University School of Medicine, Daegu, 42601, South Korea; Department of Physiology, Keimyung University School of Medicine, Daegu, 42601, South Korea; Department of Anatomy, Korea University College of Medicine, Seoul, 02841, South Korea; Department of Internal Medicine, School of Medicine Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, South Korea, Leading-Edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, Kyungpook National University Hospital, Daegu, 41404, South Korea; Research Center for Endocrinology and Metabolism, Chungnam National University Hospital (CNUH), 282 Munhwaro, Daejeon, 35015, South Korea; Department of Physiology, Lee Gil Ya Cancer and Diabetes Institute, Gachon University School of Medicine, Younsoo-gu, 21999, Inchon, South Korea; Center for Metabolic Origins of Disease, Sanford Burnham Prebys Medical Discovery Institute, Orlando, 32827, FL, United States, Cardiovascular Institute and Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, 19104, PA, United States; School of Life Sciences and Biotechnology, College of Natural Science, Kyungpook National University, Daegu, 41566, South Korea; Institute for Fundamental Biomedical Research, Department of Medicine and Biological Chemistry, Johns Hopkins University School of Medicine, St. Petersburg, 33701, FL, United States; Department of Physiology, Keimyung University School of Medicine, Daegu, 42601, South Korea | 55224798300; 55455882000; 57214690250; 57214694209; 36463666400; 16042453400; 7202206057; 7201386763; 7402443802; 55666938800; 36071537600; 7003976276; 7202848469; 55897475500; 35574514000; 7102366864; 57211749547 | ssim73@kmu.ac.kr;tosborn9@jhmi.edu; | Experimental and Molecular Medicine | EXP MOL MED | 1226-3613 | 2092-6413 | 52 | 6 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;MEDICINE, RESEARCH & EXPERIMENTAL | 2020 | 8.718 | 9.6 | 4.23 | 2025-06-25 | 3 | erratum | English | Final | 2020 | 10.1038/s12276-020-0451-8 | 바로가기 | 바로가기 | 바로가기 | ||||||||
○ | ○ | Article | Genomic and histopathological characteristics of Vibrio parahaemolyticus isolated from an acute hepatopancreatic necrosis disease outbreak in Pacific white shrimp (Penaeus vannamei) cultured in Korea | This report describes the detailed microbial and histological characteristics of Vibrio parahaemolyticus strains associated with acute hepatopancreatic necrosis disease (V-pAHPND) that infected Pacific white shrimp (Penaeus vannamei) cultured in Korea. Shrimps showing typical symptoms of AHPND, including a whitish hepatopancreas and empty gut, were reported at two private shrimp farms in Korea in 2019. In the hepatopancreas of the field samples, sloughing of undifferentiated cells in the hepatopancreatic tubule epithelium was observed upon histopathological examination, and 2 Vibrio spp.-related toxin genes (pirA and pirB) associated with AHPND were detected in the samples. Among samples obtained from the hepatopancreas, pond water, and feces (pond sediment), the copy number of the virulent AHPND plasmid was the highest in the hepatopancreas samples, followed by that in the pond water and feces (pond sediment) samples. Two V-pAHPND strains were isolated from pond water and diseased shrimp. The genome of the virulent AHPND plasmid pVpKₒᵣ-D1-2 (GenBank accession no. CP046414.1), isolated from strain 19-021-D1, was fully sequenced. We confirmed that the Korean VpAHPND strain harbored the Asian-type AHPND plasmid, which was almost identical to the AHPND-associated V. owensii plasmid pVOWZ2 previously identified in China. Furthermore, the pathogenicity of the Korean VpAHPND strains was evaluated in laboratory bioassays, and we verified that those isolates were highly pathogenic to Pacific white shrimp, causing high cumulative mortality within 3 days. | Han, Jee Eun; Choi, Seong-Kyoon; Han, Se-Hyeon; Lee, Seung Chan; Jeon, Hye Jin; Lee, Chorong; Kim, Kyeong Yeon; Lee, Young Seo; Park, Seul Chan; Rhee, Gahngyoon; Park, Seon Young; Kim, Jun-Seob; Park, Song; Kim, Ji Hyung; Lee, Kyeong-Jun | Kyungpook Natl Univ, Coll Vet Med, Lab Aquat Biomed, Daegu 41566, South Korea; DGIST, Core Prot Resources Ctr, Daegu 42988, South Korea; DGIST, Div Biotechnol, Daegu 42988, South Korea; Seoul Broadcasting Syst, Dept News Team, Seoul 07574, South Korea; Total Solut Shrimp Farming, Mado Gil 86-21, Taean Gun 32132, Chungcheongnam, South Korea; Korea Res Inst Biosci & Biotechnol, Infect Dis Res Ctr, Daejeon 34141, South Korea; DGIST, Dept Brain & Cognit Sci, Daegu, South Korea; Jeju Natl Univ, Dept Marine Life Sci, Jeju 63243, South Korea | Kim, Ji Hyung/B-7321-2011; Kim, Jun-Seob/O-5275-2019 | 57214671240; 55505432500; 57210915063; 57212199348; 57212193058; 56707749200; 57212195103; 57212200636; 57212190350; 57223128245; 57208480038; 37106945400; 57139047900; 57225000204; 8710985300 | kzh81@kribb.re.kr;kjlee@jejunu.ac.kr; | AQUACULTURE | AQUACULTURE | 0044-8486 | 1873-5622 | 524 | SCIE | FISHERIES;MARINE & FRESHWATER BIOLOGY | 2020 | 4.242 | 9.6 | 1.9 | 2025-06-25 | 32 | 37 | Acute hepatopancreatic necrosis disease; Korea; Penaeus vannamei; Vibrio parahaemolyticus | CAUSATIVE AGENT; LITOPENAEUS-VANNAMEI; PLASMID; AHPND; VIRULENCE; TUMEFACIENS; RESISTANCE; PROTEIN; STRAIN | Acute hepatopancreatic necrosis disease; Korea; Penaeus vannamei; Vibrio parahaemolyticus | China; Korea; Decapoda (Crustacea); Litopenaeus vannamei; Vibrio; Vibrio parahaemolyticus; bacterial disease; bacterium; gene expression; genomics; histopathology; mortality; pathogenicity; plasmid; shrimp culture | English | 2020 | 2020-07-15 | 10.1016/j.aquaculture.2020.735284 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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