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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 | Enhanced sonocatalytic degradation of recalcitrant organic contaminants using a magnetically recoverable Ag/Fe-loaded activated biochar composite | Silverorthophosphate (Ag3PO4)-iron oxide (Fe3O4)@activated biochar (AB) composite was prepared by a co-precipitation method as a sonocatalyst for the degradation of recalcitrant organic contaminants. We characterized Ag3PO4-Fe3O4@AB to study the physicochemical properties using scanning electron microscopy, porosimetry, a vibrating sample magnetometer, and X-ray photoelectron spectroscopy. The specific surface area increased after loading Ag3PO4-Fe3O4 on AB compared to AB only. The high magnetic property of Ag3PO4-Fe3O4@AB was confirmed by vibrating sample magnetometer analysis, which could be attributed to the existence of Fe3O4. The Ag3PO4-Fe3O4@AB demonstrated excellent sonocatalytic performances for the degradation of rhodamine B (RhB) and bisphenol A (BPA) under an ultrasonic (US) irradiation. Synergetic sonocatalytic activity of Ag3PO4-Fe3O4@AB has been obtained from (i) enhanced pyrolysis conditions of water molecules on the surface of the sonocatalyst through a "hot spot" and (ii) photoinduced separation between electron-hole pairs of Ag3PO4 using sonoluminescence. The predominant active radical species was OH center dot, which was confirmed by a spin trapping study. The US/Ag3PO4-Fe3O4@AB system demonstrated successful application in the degradation of various organic contaminants including synthetic dyes, endocrine-disrupting compounds/pharmaceutical active chemicals, and chlorinated organic contaminants as well as excellent reusability without a significant loss of sonocatalytic performance. | Jun, Byung-Moon; Kim, Yejin; Yoon, Yeomin; Yea, Yeonji; Park, Chang Min | Univ South Carolina, Dept Civil & Environm Engn, 300 Main St, Columbia, SC 29208 USA; Kyungpook Natl Univ, Dept Environm Engn, 80 Daehak, Daegu 41566, South Korea | Jun, Byung-Moon/Y-2134-2019; Park, Chang Min/CAA-8506-2022; Yoon, Yeomin/KDP-2253-2024 | 55326699900; 59052467200; 7402126688; 57217304205; 57209588953 | jbm9101@gmail.com;rysa12@naver.com;yoony@cec.sc.edu;dpduswl@naver.com;cmpark@knu.ac.kr; | CERAMICS INTERNATIONAL | CERAM INT | 0272-8842 | 1873-3956 | 46 | 14 | SCIE | MATERIALS SCIENCE, CERAMICS | 2020 | 4.527 | 8.6 | 1.52 | 2025-06-25 | 29 | 30 | Activated biochar; Iron oxide; Silverorthophosphate; Sonocatalyst; Recalcitrant organic contaminants | ENDOCRINE-DISRUPTING COMPOUNDS; PHOTOCATALYTIC ACTIVITY; REMOVAL; OXIDE; PHOTODEGRADATION; HETEROJUNCTION; NANOPARTICLES; CARBAMAZEPINE; PERFORMANCE; DYE | Activated biochar; Iron oxide; Recalcitrant organic contaminants; Silverorthophosphate; Sonocatalyst | Endocrine disrupters; Endocrinology; Iron oxides; Magnetite; Magnetometers; Molecules; Organic chemicals; Physicochemical properties; Precipitation (chemical); Reusability; Rhodamine B; Rhodium compounds; Scanning electron microscopy; Sonochemistry; Water pollution; X ray photoelectron spectroscopy; Active radical species; Chlorinated organic contaminant; Coprecipitation method; Electron hole pairs; Endocrine disrupting compound; Organic contaminant; Sonocatalytic degradation; Vibrating sample magnetometer; Silver compounds | English | 2020 | 2020-10-01 | 10.1016/j.ceramint.2020.06.012 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Enhancement of photoelectrochemical properties with α-Fe2O3 on surface modified FTO substrates | Despite a number of favorable properties, several drawbacks need to be addressed before hematite can be considered a highly desirable material for applications in water-splitting photoelectrochemical (PEC) electrodes. In the present work, the PEC performance was improved by the synergetic effects of the preparation techniques and modification of the fluorine-doped tin oxide (FTO) glass. The hematite photoanodes deposited onto the pretreated FTO supports clearly decreased the overpotential by up to 100 mV with a higher photocurrent compared to the bare FTO glass. In particular, an electrochemical preparation method including moderate annealing resulted in a highly enhanced PEC performance by influencing the FTO glass during the electrode preparation process. | Choi, Yongseon; Lee, Hyeonkwon; Kumbhar, Vijay S.; Choi, Yong-Wook; Kim, Jutae; Lee, Kiyoung | Kyungpook Natl Univ, Sch Nano & Mat Sci & Engn, 2559 Gyeongsang Daero, Sangju 37224, South Korea; Kyungpook Natl Univ, Res Inst Environm Sci & Technol, 80 Daehak Ro, Daegu, South Korea; Seoul Natl Univ, Global Frontier Ctr Multiscale Energy Syst, Seoul 08826, South Korea; Korea Inst Ind Technol KITECH, Ulsan Reg Div, 55 Jongga Ro, Ulsan 44413, South Korea | ; Lee, Kiyoung/J-8680-2013; Kim, Jutae/AAE-5677-2022 | 57213066729; 57208133419; 55331146700; 59871708000; 57184591000; 57219211501 | yongwook@kitech.re.kr;jutae.kim@gmail.com;kiyoung@knu.ac.kr; | CERAMICS INTERNATIONAL | CERAM INT | 0272-8842 | 1873-3956 | 46 | 12 | SCIE | MATERIALS SCIENCE, CERAMICS | 2020 | 4.527 | 8.6 | 0.83 | 2025-06-25 | 14 | 14 | FTO glass; alpha-Fe2O3; Surface modification; Photoelectrochemistry | WATER-SPLITTING EFFICIENCY; TIN OXIDE; HEMATITE; FILMS; ELECTRODEPOSITION; PHOTOANODES; STABILITY; OXIDATION; GROWTH; NANOSTRUCTURES | FTO glass; Photoelectrochemistry; Surface modification; α-Fe<sub>2</sub>O<sub>3</sub> | Electrochemical electrodes; Glass; Hematite; Nanocomposites; Tin oxides; Electrochemical preparation; Electrode preparation; Fluorine doped tin oxide; Photoelectrochemical properties; Photoelectrochemicals; Preparation technique; Surface-modified; Synergetic effect; Photoelectrochemical cells | English | 2020 | 2020-08-15 | 10.1016/j.ceramint.2020.05.072 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | Meeting Abstract | EXPRESSION OF KEY REGULATORY MOLECULES IN NECROPTOSIS AND ITS EFFECT ON THE PROGNOSIS IN NON-SMALL CELL LUNG CANCER | Lee, J. H.; Lee, S. Y.; Lee, E.; Hong, M. J.; Choi, J. E.; Park, J. Y. | Kyungpook Natl Univ, Biochem & Cell Biol, Daegu, South Korea; Kyungpook Natl Univ, Chilgok Hosp, Dept Internal Med, Daegu, South Korea; Kyungpook Natl Univ, Chilgok Hosp, Dept Thorac Surg, Daegu, South Korea | CHEST | CHEST | 0012-3692 | 1931-3543 | 157 | 6 | SCIE | CRITICAL CARE MEDICINE;RESPIRATORY SYSTEM | 2020 | 9.41 | 8.6 | 0 | necroptosis; non- small cell lung cancer | English | 2020 | 2020-06 | 10.1016/j.chest.2020.05.286 | 바로가기 | 바로가기 | 바로가기 | |||||||||||||
| ○ | ○ | Article | FeWO4/g-C3N4 heterostructures decorated with N-doped graphene quantum dots prepared under various sonication conditions for efficient removal of noxious vapors | Herein, N-doped graphene quantum dots (NGQDs) were prepared in an environmentally friendly manner using different sonication conditions by varying two important operating parameters: ultrasonic amplitude and sonication duration. In addition, they were decorated onto FeWO4/g-C3N4 heterostructures to afford a NGQD/FeWO4/g-C3N4 ternary-nanocomposites (NGQD/FWO/CN), which were tested for the photocatalytic removal of noxious vapors. The surface properties of the NGQDs varied with the sonication duration and the ultrasonic amplitude, and the photocatalytic capability of NGQD/FWO/CN varied with the type of decorated NGQDs, which were defined based on the sonication conditions. Moreover, the photocatalytic capability of FeWO4/g-C3N4 heterostructures decorated with sonication-treated NGQDs was higher than that of those decorated with NGQDs prepared without a sonication process. NGQD/FWO/CN also exhibited higher photocatalytic efficiency compared with selected photocatalyst counterparts, most likely due to the upconversion photoluminescence properties of NGQDs and the charge-separation abilities promoted by the electron-affinitive NGQDs and by the Z-scheme carrier-transport progress at the interfaces between the g-C3N4 and FeWO4. Specifically, the average removal efficiencies of vaporous 2-butoxy ethanol and ethyl benzene over a representative NGQD/FWO/CN sample under specified operational conditions were 97.3% (+/- 0.7%) and 55.1% ( +/- 0.6%), respectively. Moreover, the pollutant removal capabilities of the photocatalysts were in accordance with their photocurrent measurements. The ternary nanocomposite also revealed excellent photocatalytic stability after successive uses for the decomposition of the model contaminants. Overall, this study highlights the promising role of nanocomposites decorated with sonication-processed NGQDs as photocatalysts for the efficient removal of noxious vapors. | Choi, Jong Uk; Jo, Wan-Kuen | Kyungpook Natl Univ, Dept Environm Engn, 80 Univ Rd, Daegu 702701, South Korea | Jo, Wan/AAO-5329-2020 | 57205217094; 7103322277 | wkjo@knu.ac.kr; | CERAMICS INTERNATIONAL | CERAM INT | 0272-8842 | 1873-3956 | 46 | 8 | SCIE | MATERIALS SCIENCE, CERAMICS | 2020 | 4.527 | 8.6 | 0.76 | 2025-06-25 | 13 | 15 | Ultrasonic process; Ternary nanocomposite; Upconversion photoluminescence; Photocatalytic stability | GRAPHITIC CARBON NITRIDE; NANOSHEET COMPOSITES; CHARGE-TRANSFER; PHOTOCATALYSTS; FABRICATION; PHOTOLUMINESCENCE; NANOCOMPOSITES; PERFORMANCE; MECHANISM; OXIDATION | Photocatalytic stability; Ternary nanocomposite; Ultrasonic process; Upconversion photoluminescence | Doping (additives); Efficiency; Graphene; Nanocomposites; Nanocrystals; Photocatalytic activity; Photoluminescence; Semiconductor quantum dots; Semiconductor quantum wells; Photo-catalytic; Photo-catalytic removal; Photocatalytic efficiency; Photocurrent measurement; Photoluminescence properties; Ternary nanocomposites; Ultrasonic process; Up-conversion; Sonication | English | 2020 | 2020-06-01 | 10.1016/j.ceramint.2020.01.164 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Influence of out-of-plane disorder formed by low-temperature sintering on carbohydrate-doped MgB2 wire | Structural disorder within grains formed by carbon doping is widely known to enhance the in-field transport critical current performance of MgB2 wire. The structural formation usually requires high-temperature sintering above 600 degrees C due to low reactivity of the dopant. In this study, we selected a carbohydrate (malic acid) that has a low-decomposition temperature as the carbon dopant and performed low-temperature sintering (below 600 degrees C) to introduce greater disorder within the MgB2 grains. We revealed that the doping and low-temperature sintering process cause severe disorder, especially along the out-of-plane (c-axis) direction. The disordered formation, in addition to the in-plane disorder combined with well-connected grains, eventually raised the in-field transport performance. | Maeda, Minoru; Patel, Dipak; Kumakura, Hiroaki; Nishijima, Gen; Matsumoto, Akiyoshi; Kim, Su-Hun; Choi, Seyong | Kangwon Natl Univ, Dept Elect Engn, Gangwon 25913, South Korea; Kangwon Natl Univ, Res Inst Energy, Gangwon 25913, South Korea; Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan; Kyungpook Natl Univ, Dept Elect Engn, Daegu 41566, South Korea | KUMAKURA, Hiroaki/H-2526-2011; MATSUMOTO, Akiyoshi/H-2765-2011; Kim, Su-Hun/AAB-5569-2020; Choi, Seyong/AAB-5572-2020; Maeda, Minoru/AAB-5589-2020; Nishijima, Gen/B-8804-2009; Patel, Dipak/G-8293-2014 | 35426900700; 26040989200; 35459081100; 7003828099; 7403108130; 57188669953; 7408122787 | mmaeda@kangwon.ac.kr;syc@kangwon.ac.kr; | CERAMICS INTERNATIONAL | CERAM INT | 0272-8842 | 1873-3956 | 46 | 13 | SCIE | MATERIALS SCIENCE, CERAMICS | 2020 | 4.527 | 8.6 | 0.28 | 2025-06-25 | 9 | 7 | MgB2; Low-temperature sintering; Carbon doping; X-ray methods | CRITICAL-CURRENT DENSITY; SUPERCONDUCTING PROPERTIES; POWDER; FIELD | Carbon doping; Low-temperature sintering; MgB<sub>2</sub>; X-ray methods | Carbohydrates; Carbon; Magnesium compounds; Sintering; Temperature; Carbon doping; Decomposition temperature; High-temperature sintering; In-plane disorder; Low-temperature sintering; Out-of plane; Structural disorders; Structural formation; Boron compounds | English | 2020 | 2020-09 | 10.1016/j.ceramint.2020.05.284 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Microwave synthesized nano-photosensitizer of CdS QD/MoO3-OV/g-C3N4 heterojunction catalyst for hydrogen evolution under full-spectrum light | In this study, facile solid-state CdS quantum dots (QDs) supported MoO3/g-C3N4 nanostructure photocatalysts were prepared via an innovative in-situ deposition protocol with consecutive ionic layer adsorption and reaction. The CdS QDs-anchored MoO3/g-C3N4 heterostructure photocatalysts demonstrated enhanced visible-light absorption capacity, which was realized by the quantum confinement of the CdS QDs. The maximum photocatalytic hydrogen (H-2) production rate with the CdS QDs-anchored MoO3/g-C3N4 heterostructure photocatalysts reached 294.32 mu mol g(-1).h(-1), which was 76.84, 215.21, 27.12, and 3.64 folds superior as compare to bare g-C3N4, MoO3, CdS, and MoO3/g-C3N4 catalysts, respectively. The enriched photocatalytic performance was mainly credited to the high surface area and MoO3 with oxygen vacancies (OV), ultra-thin g-C3N4 and high optical adsorption ability of CdS QDs. Thus, forming a dual Z-scheme system in the CdS QDs-supported MoO3-OV/g-C3N4 nanostructures not only facilitated efficient interfacial charge transfer but also preserved the robust redox ability of the photoinduced electrons and holes. | Devarayapalli, K. C.; Lee, Kiyoung; Nguyen Dang Nam; Vattikuti, S. V. Prabhakar; Shim, Jaesool | Yeungnam Univ, Sch Mech Engn, Gyongsan 38541, South Korea; Kyungpook Natl Univ, Sch Nano & Mat Sci & Engn, 2559 Gyeongsang Daero, Sangju, Gyeongbuk, South Korea; Kyungpook Natl Univ, Dept Adv Sci & Technol Convergence, 2559 Gyeongsang Daero, Sangju 37224, South Korea; Duy Tan Univ, Inst Fundamental & Appl Sci, Future Mat & Devices Lab, Ho Chi Minh City 700000, Vietnam; Duy Tan Univ, Fac Environm & Chem Engn, Da Nang 550000, Vietnam | Dang, Nam/AAD-9356-2019; Lee, Kiyoung/J-8680-2013; VATTIKUTI, S/I-5237-2019 | 15069351300; 57219211501; 57216456831; 35300478500; 16040548500 | nguyendangnam@duytan.edu.vn;drprabu@ynu.ac.kr;jshim@ynu.ac.kr; | CERAMICS INTERNATIONAL | CERAM INT | 0272-8842 | 1873-3956 | 46 | 18 | SCIE | MATERIALS SCIENCE, CERAMICS | 2020 | 4.527 | 8.6 | 2 | 2025-06-25 | 36 | 36 | CdS QDs; Visible photocatalyst; Layered material; Water splitting | HIGH PHOTOCATALYTIC PERFORMANCE; G-C3N4 NANOSHEETS; FACILE SYNTHESIS; H-2 EVOLUTION; METHYL-ORANGE; DOPED G-C3N4; EFFICIENT; WATER; GENERATION; DEGRADATION | CdS QDs; Layered material; Visible photocatalyst; Water splitting | Cadmium sulfide; Charge transfer; Heterojunctions; II-VI semiconductors; Light; Light absorption; Molybdenum oxide; Nanostructures; Photocatalysts; Photosensitizers; Adsorption and reactions; Cds quantum dots(QDs); Full-spectrum light; Interfacial charge transfer; Photocatalytic hydrogen; Photocatalytic performance; Photoinduced electrons; Visible light absorption; Semiconductor quantum dots | English | 2020 | 2020-12-15 | 10.1016/j.ceramint.2020.08.004 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Reproducibility of Crude Oil Spectra Obtained with Ultrahigh Resolution Mass Spectrometry | In this study, the reproducibility of crude oil analyzed with (+) atmospheric pressure photoionization ultrahigh resolution mass spectrometry was evaluated. Three sets of data were obtained at intervals of approximately a month for a span of three months. For each monthly data set, four oil samples were analyzed with four replicates in 1 day. The obtained 48 spectra were processed to examine the reproducibility of the class, double bond equivalent (DBE), and individual peak distributions. The reproducibility of the relative abundance was better than that of the absolute abundance. The distributions of major classes were consistent within the three sets with a less than 1% relative standard deviation (RSD). The DBE distribution for each data set was reproducible within 1% RSD, whereas the DBE distributions for the combined data sets had RSD values of 1%-6%. The RSD values were higher for minor components, suggesting that care must be taken in the use of minor values for quantitative or semiquantitative evaluation. The relative abundances of individual peaks in the major classes were reproducible within 1%-3% RSD for each data set. However, the RSD values of the combined data sets were over 10%, even for abundant peaks. The smaller RSD of the class and DBE distributions than that of individual peaks for combined data sets strongly suggest that variations observed from individuals were caused by random errors. The data presented in this study provide guidelines for evaluating petroleomic data obtained in the laboratory at different times or laboratories. | Son, Seungwoo; Kim, Sungjune; Yim, Yong-Hyeon; Kim, Sunghwan | Korea Res Inst Stand & Sci KRISS, Daejeon 34113, South Korea; Kyungpook Natl Univ, Dept Chem, Daegu 41566, South Korea; Mass Spectrometry Convergence Res Ctr, Daegu 41566, South Korea; Green Nano Mat Res Ctr, Daegu 41566, South Korea | ; Kim, Sunghwan/HKN-9812-2023 | 57206473214; 57221297786; 57203216226; 57203772967 | yhyim@kriss.re.kr;sunghwank@knu.ac.kr; | ANALYTICAL CHEMISTRY | ANAL CHEM | 0003-2700 | 1520-6882 | 92 | 14 | SCIE | CHEMISTRY, ANALYTICAL | 2020 | 6.986 | 8.6 | 1.25 | 2025-06-25 | 21 | 21 | NAPHTHENIC ACIDS; MOLECULAR CHARACTERIZATION; LIQUID-CHROMATOGRAPHY; AROMATIC-COMPOUNDS; PETROLEUM; MS; FRACTIONS; EXTRACTION; CHEMISTRY; MIXTURES | Atmospheric pressure; Crude oil; Drug products; Mass spectrometry; Random errors; Atmospheric pressure photo ionization; Minor components; Peak distribution; Relative abundance; Relative standard deviations; Reproducibilities; Semi-quantitative evaluations; Ultrahigh resolution mass spectrometries; Equivalence classes | English | 2020 | 2020-07-21 | 10.1021/acs.analchem.0c00865 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Self-assembly of NiMoO4 nanoparticles on the ordered NiCo2O4 ultra-thin nanoflakes core-shell electrode for high energy density supercapacitors and efficient oxygen evolution reaction | The scrupulous design and construction of self-ordered binder-free core-shell electrodes with numerous active sites has drawn massive attention in the field of supercapacitors and oxygen evolution reaction. We demonstrate a powerful and environment friendly two-step electrochemical engineering of the highly ordered two-dimensional NiCo2O4 nanoflakes trapped with NiMoO4 nanoparticles on Ni foam. The vertically self-assembled NiCo2O4 nanoflakes offer easiest paths for the ion and electron transport. Moreover, the synergistic effect between nanoflakes and nanoparticles provide large active surface area for electrochemical energy storage and oxygen evolution electrocatalysis. Compared to NiCo2O4 nanoflakes NiCo2O4/NiMoO4 core-shell electrode exhibited an enhanced electrochemical performance having an excellent specific capacitance (3705 F g(-1) at 1.5 A g(-1)), high rate capability (95.1% for 20-fold increase of the current density), and a stable cycle life (94.6% for 5000 charge-discharge cycles). Moreover, it showed an overpotential of 400 mV at a current density of 50 mA cm(-2), Tafel slope of 150 mVdec(-1). and 100% of stability for 5 h of continuous operation in alkaline medium. Moreover, as-fabricated NiCo2O4/NiMoO4//NiCo2O4/NiMoO4 symmetric supercapacitor delivered highest energy density of 76.45 Wh kg(-1) and cycle life of 88% after 5000 cycles. Thus, present study demonstrates sustainable engineering approac.h to fabricate highly ordered two-dimensional heterostructures for various electrochemical applications. | Kumbhar, Vijay S.; Lee, Wonjoo; Lee, Kiyoung | Kyungpook Natl Univ, Sch Nano & Mat Sci & Engn, 2559 Gyeongsang Daero, Sangju, Gyeongbuk, South Korea; Kyungpook Natl Univ, Res Inst Environm Sci & Technol, 80 Daehak Ro, Daegu, South Korea; Daeduk Univ, Div Mil Sci, 68 Gajeongbuk Ro, Daejeon, South Korea | Lee, Kiyoung/J-8680-2013 | 55331146700; 57215807492; 57219211501 | wjlee@ddu.ac.kr;kiyoung@knu.ac.kr; | CERAMICS INTERNATIONAL | CERAM INT | 0272-8842 | 1873-3956 | 46 | 14 | SCIE | MATERIALS SCIENCE, CERAMICS | 2020 | 4.527 | 8.6 | 1.66 | 2025-06-25 | 28 | 28 | NiCo2O4/NiMoO4; Metal oxide; Core/shell; Supercapacitor; OER; Electrodeposition | ELECTROCHEMICAL PERFORMANCE; RECENT PROGRESS; HYDROGEN; ARRAYS; ELECTROCATALYSTS; NANOSHEETS; REDUCTION; FOAM | Core/shell; Electrodeposition; Metal oxide; NiCo<sub>2</sub>O<sub>4</sub>/NiMoO<sub>4</sub>; OER; Supercapacitor | Electric discharges; Electrocatalysis; Electrochemical electrodes; Electron transport properties; Molybdenum compounds; Nanoparticles; Oxygen; Oxygen evolution reaction; Self assembly; Shells (structures); Slope stability; Supercapacitor; Sustainable development; Charge-discharge cycle; Design and construction; Electrochemical applications; Electrochemical energy storage; Electrochemical engineering; Electrochemical performance; High energy densities; Sustainable engineering; Cobalt compounds | English | 2020 | 2020-10-01 | 10.1016/j.ceramint.2020.06.052 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | TeO2-B2O3-ZnO-La2O3 glasses: γ-ray and neutron attenuation characteristics analysis by WinXCOM program, MCNP5, Geant4, and Penelope simulation codes | gamma.-ray, fast and thermal neutrons shielding features for five Pb-free {[(TeO2)(0.70)(B2O3)(0.30)](0.7) (ZnO)(0.30)}((1-x)) (La2O3)(x) (x = 0.01, 0.02, 0.03, 0.04, and 0.05 mol%) glasses have been inspected in this work. For all samples, within the photon energy range of 0.015-15 MeV, linear attenuation coefficients (mu) and mass attenuation coefficients (mu/.) were estimated using WinXCOM program (theoretical approach), and obtained mu/rho values are in fine agreement with computed mu/rho results of respective MCNP5, Geant4, and Penelope codes. By utilizing mu/rho values of WinXCOM, gamma-ray attenuation parameters like effective atomic number (Z(eff)), effective electron density (N-eff), half-value layer (HVL), and mean free path (MFP) were assessed within 0.015-15 MeV photon energy range, for all samples. Additionally, exposure buildup factors (EBFs) and energy absorption buildup factors (EABFs) were calculated for all samples by applying a five parameter geometric progression (G.P) fitting method as a function of various penetration depths (1, 5, 10, 15, 20, 25, 30, 35, and 40 mfp) within 0.015-15 MeV photon energy range. The derived radiation protection efficiency (RPE) results indicate all samples' effective attenuation competence for lower energy gamma-rays. Among all glasses, 46.55TeO(2)-19.95B(2)O(3)-28.5ZnO-5La(2)O(3) (mol%) sample, by having relatively bigger mu/rho and Z(eff), minimal HVL and MFP, and lowest EBF and EABF, endorse its' excellent.-ray shielding effectiveness. Further, neutron shielding parameters such as macroscopic removal cross-section for fast neutrons (Sigma(R)), coherent and incoherent scattering cross-sections (sigma(cs) & sigma(ics)), absorption cross-section (sigma(A)), and total cross-section (sT) for thermal neutrons were explored. By using the Geant4 code, 'sigma(T)' values have been deduced within 10-4.10-8 MeV neutron energy range. The 46.55TeO(2)-19.95B(2)O(3)-28.5ZnO-5La(2)O(3) (mol%) glass owns relatively larger SR (0.1474 cm(-1)) for fast neutrons attenuation and 'sT' (10.1444 cm(-1) at 0.0253 eV neutron energy, 15.9824 cm(-1). 0.551 cm(-1) from 1 x 10-8 MeV. 1 x 10-4 MeV neutron energy) for thermal neutrons absorption, respectively, revealing its' superior neutrons shielding ability. | Lakshminarayana, G.; Elmahroug, Y.; Kumar, Ashok; Dong, M. G.; Lee, Dong-Eun; Yoon, Jonghun; Park, Taejoon | Kyungpook Natl Univ, Intelligent Construct Automat Ctr, 80 Daehak Ro, Daegu 41566, South Korea; Univ Tunis El Manar, Fac Sci Tunis, Unite Rech Phys Nucl & Hautes Energies, Tunis 2092, Tunisia; Univ Cent, Ecole Cent Polytech Privee Tunis, Tunis, Tunisia; Univ Coll, Dept Phys, Benra Dhuri, Punjab, India; Northeastern Univ, Dept Resource & Environm, Shenyang 110819, Peoples R China; Kyungpook Natl Univ, Sch Architecture & Civil Engn, 80 Daehak Ro, Daegu 41566, South Korea; Hanyang Univ, Dept Mech Engn, 55 Hanyangdaehak Ro, Ansan 15588, Gyeonggi Do, South Korea; Hanyang Univ, Dept Robot Engn, 55 Hanyangdaehak Ro, Ansan 15588, Gyeonggi Do, South Korea | Kumar, Ashok/A-7742-2012; Gandham, Lakshminarayana/AAU-6162-2020; DONG, Mengge/AEN-2933-2022 | 57194637883; 55869725500; 57307625500; 56082379700; 56605563300; 56449838900; 55717001200 | gandham@knu.ac.kr;dolee@knu.ac.kr;yooncsmd@gmail.com;taejoon@hanyang.ac.kr; | CERAMICS INTERNATIONAL | CERAM INT | 0272-8842 | 1873-3956 | 46 | 10 | SCIE | MATERIALS SCIENCE, CERAMICS | 2020 | 4.527 | 8.6 | 1.79 | 2025-06-25 | 34 | 34 | Lanthanum zinc borotellurite glass; WinXCOM; MCNP5; Geant4; Penelope; Mass attenuation coefficient | SHIELDING PROPERTIES; X-RAY; PERFORMANCE; PARAMETERS; SYSTEM; OXIDE | Geant4; Lanthanum zinc borotellurite glass; Mass attenuation coefficient; MCNP5; Penelope; WinXCOM | Atoms; Coherent scattering; Electromagnetic wave attenuation; Glass; II-VI semiconductors; Incoherent scattering; Lanthanum oxides; Neutron logging; Neutrons; Photons; Radiation protection; Shielding; Zinc oxide; Geant4; Mass attenuation coefficients; MCNP5; PENELOPE; WinXCOM; Gamma rays | English | 2020 | 2020-07 | 10.1016/j.ceramint.2020.03.235 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Thermoluminescence features of Er³⁺ doped BaO-ZnO-LiF-B2O3 glass system for high-dose gamma dosimetry | Transparent 10BaO-20ZnO-20LiF-(50-x) B2O3 -xEr(2)O(3) glasses with x = 0, 0.1, 0.5, 0.7 and 1 mol % were synthesized using melt-quench method. Their amorphous nature was confirmed from X-Ray Diffraction (XRD). The glasses were irradiated with 3 kGy gamma dose, among which the sample with 0.7 mol % Er2O3 doping showed the highest integrated thermoluminescence cm intensity. The dose-response was evaluated by irradiating the sample with 0.25- 30 kGy gamma doses. The highest integrated TL, intensity was obtained at 3 kGy dose. Fourier Transform Infrared (FTIR) spectra of the 0.7 mol % Er2O3 doped glass after 3 kGy gamma irradiation predicted the creation of new bonds and rise in the Non-Bridging Oxygens. UV-Vis-NIR absorption spectra recorded after 3 kGy gamma irradiation accounted for the formation of color centers due to an increase in the total absorption of the glass, a decrease in the bandgap and an increase in the Urbach energy. The sample exhibited good linearity in the 0.25 to 3 kGy range with high sensitivity of 27021 counts g(-1)kGy(-1) and a minimum detectable dose of 0.201 kGy. TL signal faded by just 4% after a week of storage. The annealing condition for reusability and the effective atomic number of the glass were examined. Trap parameters like activation energy, frequency factor and lifetime, determined using Computerized Glow Curve Deconvolution (CGCD) and Chen's peak shape methods supported the low fading of the sample. Overall, the remarkable TL dosimetry characteristics present the usefulness of the titled glass system in radiation processing of food products and high-dose (0.25 to 3 kGy) gamma environment. | Prabhu, Nimitha S.; Sharmila, K.; Somashekarappa, H. M.; Lakshminarayana, G.; Mandal, Soumen; Sayyed, M., I; Kamath, Sudha D. | Manipal Acad Higher Educ, Manipal Inst Technol, Dept Phys, Manipal, Karnataka, India; Mangalore Univ, Ctr Applicat Radioisotopes & Radiat Technol CARRT, Mangalagangothri, Karnataka, India; Kyungpook Natl Univ, Intelligent Construct Automat Ctr, 80 Daehak Ro, Daegu 41566, South Korea; Univ Tabuk, Fac Sci, Dept Phys, Tabuk, Saudi Arabia; Imam Abdulrahman bin Faisal Univ IAU, Inst Res & Med Consultat IRMC, Dept Nucl Med Res, Dammam, Saudi Arabia | Gandham, Lakshminarayana/AAU-6162-2020; Sayyed, M.I/AAB-7789-2022; Prabhu, Nimitha/AAD-8802-2019; Mandal, Soumen/AAB-3917-2021 | 57205713756; 57211670163; 6603892209; 57194637883; 57214752240; 57189890554; 16245280000 | sudha.kamath@manipal.edu; | CERAMICS INTERNATIONAL | CERAM INT | 0272-8842 | 1873-3956 | 46 | 11 | SCIE | MATERIALS SCIENCE, CERAMICS | 2020 | 4.527 | 8.6 | 1.59 | 2025-06-25 | 31 | 31 | Erbium; Gamma dosimetry; Glass; Thermoluminescence | STIMULATED LUMINESCENCE PROPERTIES; ATTENUATION COEFFICIENTS; RADIATION; IONS; PHOTOLUMINESCENCE; IRRADIATION; BEHAVIOR; LITHIUM | Erbium; Gamma dosimetry; Glass; Thermoluminescence | Activation energy; Atoms; Barium compounds; Color centers; Dosimetry; Erbium compounds; Food products; Fourier transform infrared spectroscopy; Gamma rays; Glass; Glass industry; II-VI semiconductors; Irradiation; Lithium compounds; Oxide minerals; Reusability; Zinc oxide; Annealing condition; Effective atomic number; Fourier transform infrared; Glow curve deconvolution; Melt-quench method; Non-bridging oxygen; Peak shape methods; Radiation processing; Thermoluminescence | English | 2020 | 2020-08-01 | 10.1016/j.ceramint.2020.04.276 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Control of Intramolecular Hydrogen Bonding in a Conformation-Switchable Helical-Spring Polymer by Solvent and Temperature | A substituted poly(phenylacetylene) derivative (PPA(HB)) with two hydroxymethyl groups at the meta position of the side phenyl ring was examined as a conformation-switchable helical spring polymer that responds to solvent and heat stimuli in a precisely controlled manner. Intramolecular hydrogen bonds, which cause the helical structure of the polymer, were broken and re-formed by adjusting the hydrogen-bonding strength values (pK(HB)) of various combinations of solvents or by varying the temperature. In this process, a reversible conformational change from cis-cisoid to cis-transoid, accompanied by a phase transition in the form of a helix-coil transformation occurred, with the polymer exhibiting critical changes of color fading and recovery in specific environments. These results demonstrate that PPA(HB) can be used as either a pK(HB) indicator or a thermometer. The color changes of the polymer solution are described in detail based on spectroscopic analyses and thermodynamic considerations. | Jin, Young-Jae; Aoki, Toshiki; Kwak, Giseop | Kyungpook Natl Univ, Dept Polymer Sci & Engn, Polymer Nanomat Lab, Sch Appl Chem Engn, 1370 Sankyuk Dong, Daegu 702701, South Korea; Niigata Univ, Dept Chem & Chem Engn, Grad Sch Sci & Technol, Nishi Ku, Ikarashi 2-8050, Niigata 9502181, Japan; Niigata Univ, Ctr Transdisciplinary Res, Nishi Ku, Ikarashi 2-8050, Niigata 9502181, Japan | , Giseop/M-8370-2018 | 55307815700; 7404613515; 17137322300 | toshaoki@eng.niigata-u.ac.jp;gkwak@knu.ac.kr; | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | ANGEW CHEM INT EDIT | 1433-7851 | 1521-3773 | 59 | 5 | SCIE | CHEMISTRY, MULTIDISCIPLINARY | 2020 | 15.336 | 8.7 | 0.7 | 2025-06-25 | 22 | 22 | conformational change; helical spring; hydrogen bonding; phase transitions; poly(phenylacetylene) | SOLVATOCHROMIC COMPARISON METHOD; SENSE-SELECTIVE POLYMERIZATION; TO-COIL TRANSITION; POLY(2-HYDROXYETHYL METHACRYLATE) PHEMA; PI-CONJUGATED POLYMERS; POLY(METHYL METHACRYLATE); ACHIRAL PHENYLACETYLENES; RESPONSIVE POLYMERS; GLOBULE TRANSITION; HOMOPOLYMER CHAIN | conformational change; helical spring; hydrogen bonding; phase transitions; poly(phenylacetylene) | Aromatic hydrocarbons; Helical springs; Organic polymers; Phase transitions; Solvents; Spectroscopic analysis; Conformational change; Helical structures; Hydrogen-bonding strength; Hydroxymethyl groups; Intra-molecular hydrogen bonds; Intramolecular hydrogen bonding; Polyphenylacetylene; Substituted polies; Hydrogen bonds | English | 2020 | 2020-01-27 | 10.1002/anie.201910269 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Burst-feedback corrective control of asynchronous sequential machines in non-fundamental mode | Corrective control can compensate for the stable-state behavior of asynchronous sequential machines (ASMs) in a desirable way. This paper presents fault tolerant corrective control for a class of ASMs where output burst, a quick succession of output characters produced along asynchronous transitions, is given as output feedback. The considered ASM is vulnerable to transient faults that may occur during transient transitions of the machine, or in non-fundamental mode. Compared with the prior work on those faults occurring in fundamental mode, the control objective and the reachability conditions for fault recovery are more restrictive in the case of non-fundamental mode. Based on corrective control theory, we address a scheme of fault diagnosis and fault tolerant control for the closed-loop system to overcome every transient fault causing unauthorized state transitions. An illustrative example is provided to validate the synthesis procedure of the proposed burst-feedback corrective control scheme. (C) 2020 The Franklin Institute. Published by Elsevier Ltd. All rights reserved. | Yang, Jung Min | Kyungpook Natl Univ, Sch Elect Engn, 80 Daehakro, Bukgu 41566, Daegu, South Korea | 57208450551 | jmyang@ee.knu.ac.kr; | JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | J FRANKLIN I | 0016-0032 | 1879-2693 | 357 | 14 | SCIE | AUTOMATION & CONTROL SYSTEMS;ENGINEERING, ELECTRICAL & ELECTRONIC;ENGINEERING, MULTIDISCIPLINARY;MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | 2020 | 4.504 | 8.8 | 0.16 | 2025-06-25 | 3 | 3 | FAULT-TOLERANT CONTROL; INPUT/OUTPUT CONTROL; SUPERVISION; SYSTEM | Closed loop systems; Fault tolerance; Feedback; Sequential machines; Asynchronous sequential machines; Control objectives; Corrective control; Fault tolerant control; Fundamental modes; State transitions; Synthesis procedure; Transient faults; Electric machine control | English | 2020 | 2020-09 | 10.1016/j.jfranklin.2020.07.032 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Efficient static corrective control for model matching and fault tolerance of asynchronous sequential machines | This paper addresses a static corrective control scheme for input/state asynchronous sequential machines (ASMs) with transient faults. While the previous static controllers have tight existence conditions and achieve only model matching, such restraints are relaxed in this study. To this end, a diagnoser identifying model mismatches and transient faults is introduced to facilitate the design of the static controller. Also state bursts, or fast outbursts of state characters generated by the controlled machine during transitions, are used as feedback. In association with the diangoser, we present the existence condition and design algorithm for the static corrective controller that matches the stable-state behavior of the closed-loop system to that of a reference model while invalidating the adverse effect of transient faults. A case study is provided to demonstrate the applicability of the proposed control methodology. (C) 2020 The Franklin Institute. Published by Elsevier Ltd. All rights reserved. | Yang, Jung-Min | Kyungpook Natl Univ, Sch Elect Engn, 80 Daehakro, Daegu 41566, South Korea | 57208450551 | jmyang@ee.knu.ac.kr; | JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | J FRANKLIN I | 0016-0032 | 1879-2693 | 357 | 7 | SCIE | AUTOMATION & CONTROL SYSTEMS;ENGINEERING, ELECTRICAL & ELECTRONIC;ENGINEERING, MULTIDISCIPLINARY;MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | 2020 | 4.504 | 8.8 | 0.16 | 2025-06-25 | 3 | 3 | OUTPUT-FEEDBACK CONTROL; INPUT/OUTPUT CONTROL | Closed loop systems; Controllers; Electric machine theory; Fault tolerance; Sequential machines; Asynchronous sequential machines; Control methodology; Corrective control; Existence conditions; Identifying models; Reference modeling; Static controllers; Transient faults; Electric machine control | English | 2020 | 2020-05 | 10.1016/j.jfranklin.2020.01.009 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Review | A review of microplastics pollution in the soil and terrestrial ecosystems: A global and Bangladesh perspective | Microplastics (MP) are a persistent and silent threat to the environment and are already considered a significant problem in aquatic environments. However, the presence of MP in soils and terrestrial ecosystems has been largely unexplored. Recent research has identified the risk of MP transfer from terrestrial agriculture to the human food chain. Thus, MP should be treated as a future threat to food safety and sustainable agriculture. Several reviews have focused on MP effects within global environmental matrices. However, scant investigations on the disposition, ecological impact and remediation strategies of MP have been reported in case of unexplored soil ecosystems as compared to aquatic ecosystems. Therefore, this review focuses on the contemporary global MP research with respect to research opportunities and related challenges of MP for the soil and terrestrial ecosystem from a Bangladesh perspective. | Sarker, Aniruddha; Deepo, Deen Mohammad; Nandi, Rakhi; Rana, Juwel; Islam, Shaikhul; Rahman, Shahinoor; Hossain, Mohammad Nabil; Islam, Md Saiful; Baroi, Artho; Kim, Jang-Eok | Kyungpook Natl Univ, Sch Appl Biosci, Daegu, South Korea; Kyungpook Natl Univ, Dept Hort, Daegu, South Korea; Daffodil Int Univ, Dept Nutr & Food Engn, Dhaka, Bangladesh; Ehime Univ, United Grad Sch Agr Sci, Matsuyama, Ehime, Japan; Georg August Univ Gottingen, Div Agr Entomol, Gottingen, Germany; China Three Gorges Univ, Coll Biol & Pharmaceut Sci, Yichang, Hubei, Peoples R China; Bangabandhu Sheikh Mujibur Rahman Agr Univ, Inst Biotechnol & Genet Engn, Gazipur, Bangladesh; Bangladesh Agr Univ, Fac Agr, Mymensingh, Bangladesh; EXIM Bank Agr Univ, Dept Soil Sci, Bangladesh EBAUB, Chapainawabganj, Bangladesh; Bangladesh Acad Rural Dev BARD, Kotbari, Cumilla, Bangladesh | ; Rana, Juwel/KFB-4254-2024; Baroi, Artho/HPB-5390-2023; Sarker, Aniruddha/GYQ-6800-2022; Islam, Shaikhul/ABG-3985-2021; Rahman, Shahinoor/A-9393-2016; Islam, Md/ABB-2487-2021 | 57211874397; 57216909682; 57216177596; 57216908353; 55855555600; 57213470309; 57216908694; 57217186884; 57216911611; 7601387161 | jekim@knu.ac.kr; | SCIENCE OF THE TOTAL ENVIRONMENT | SCI TOTAL ENVIRON | 0048-9697 | 1879-1026 | 733 | SCIE | ENVIRONMENTAL SCIENCES | 2020 | 7.963 | 8.9 | 1.8 | 2025-06-25 | 158 | 172 | Food safety; Microplastics pollution; Soils; Terrestrial ecosystem | PHTHALATE-ESTERS; SURFACE WATERS; VEGETABLE PRODUCTION; AGRICULTURAL SOILS; MARINE-ENVIRONMENT; PLASTIC DEBRIS; KNOWLEDGE GAPS; ABUNDANCE; SEA; SEDIMENTS | Food safety; Microplastics pollution; Soils; Terrestrial ecosystem | Bangladesh; Agricultural robots; Agriculture; Microplastic; Soils; microplastic; Aquatic environments; Ecological impacts; Environmental matrixes; Recent researches; Remediation strategies; Research opportunities; Sustainable agriculture; Terrestrial ecosystems; environmental impact; plastic waste; pollution monitoring; remediation; risk factor; soil pollution; terrestrial ecosystem; agriculture; aquatic environment; Bangladesh; bioaccumulation; biomass; ecosystem restoration; environmental impact; food safety; Fourier transform infrared spectroscopy; nonhuman; physical chemistry; plant growth; plastic pollution; priority journal; Raman spectrometry; Review; scanning electron microscopy; soil microflora; soil pollution; Aquatic ecosystems | English | 2020 | 2020-09-01 | 10.1016/j.scitotenv.2020.139296 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Review | Accuracy of Mobile Device-Compatible 3D Scanners for Facial Digitization: Systematic Review and Meta-Analysis | Background: The accurate assessment and acquisition of facial anatomical information significantly contributes to enhancing the reliability of treatments in dental and medical fields, and has applications in fields such as craniomaxillofacial surgery, orthodontics, prosthodontics, orthopedics, and forensic medicine. Mobile device-compatible 3D facial scanners have been reported to be an effective tool for clinical use, but the accuracy of digital facial impressions obtained with the scanners has not been explored. Objective: We aimed to review comparisons of the accuracy of mobile device-compatible face scanners for facial digitization with that of systems for professional 3D facial scanning. Methods: Individual search strategies were employed in PubMed (MEDLINE), Scopus, Science Direct, and Cochrane Library databases to search for articles published up to May 27, 2020. Peer-reviewed journal articles evaluating the accuracy of 3D facial models generated by mobile device-compatible face scanners were included. Cohen d effect size estimates and confidence intervals of standardized mean difference (SMD) data sets were used for meta-analysis. Results: By automatic database searching, 3942 articles were identified, of which 11 articles were considered eligible for narrative review, with 6 studies included in the meta-analysis. Overall, the accuracy of face models obtained using mobile device-compatible face scanners was significantly lower than that of face models obtained using professional 3D facial scanners (SMD 3.96 mm, 95% CI 2.81-5.10 mm; z=6.78; P<.001). The difference between face scanning when performed on inanimate facial models was significantly higher (SMD 10.53 mm, 95% CI 6.29-14.77 mm) than that when performed on living participants (SMD 2.58 mm, 95% CI 1.70-3.47 mm, P<.001, df=12.94). Conclusions: Overall, mobile device-compatible face scanners did not perform as well as professional scanning systems in 3D facial acquisition, but the deviations were within the clinically acceptable range of <1.5 mm. Significant differences between results when 3D facial scans were performed on inanimate facial objects and when performed on the faces of living participants were found; thus, caution should be exercised when interpreting results from studies conducted on inanimate objects. | Mai, Hang-Nga; Lee, Du-Hyeong | Kyungpook Natl Univ, Inst Translat Res Dent, Daegu, South Korea; Kyungpook Natl Univ, Sch Dent, Dept Prosthodont, 2175 Dalgubeoldae Ro, Daegu 41940, South Korea | Mai, Hang-Nga/Q-9865-2018 | 56964780900; 35770948000 | deweylee@knu.ac.kr; | JOURNAL OF MEDICAL INTERNET RESEARCH | J MED INTERNET RES | 1438-8871 | 22 | 10 | SCIE | HEALTH CARE SCIENCES & SERVICES;MEDICAL INFORMATICS | 2020 | 5.428 | 8.9 | 0.49 | 2025-06-25 | 38 | 44 | accuracy; facial digitization; facial scanners; systematic review; meta-analysis | FACE; REPRODUCIBILITY; VALIDATION; PHOTOGRAMMETRY; RELIABILITY; PROSTHESIS; TOOL | Accuracy; Facial digitization; Facial scanners; Meta-analysis; Systematic review | Adult; Computers, Handheld; Face; Female; Humans; Imaging, Three-Dimensional; Male; Middle Aged; Reproducibility of Results; Young Adult; adult; Cochrane Library; effect size; face; female; human; human experiment; male; Medline; meta analysis; narrative; review; ScienceDirect; Scopus; systematic review; diagnostic imaging; face; middle aged; personal digital assistant; procedures; reproducibility; three-dimensional imaging; young adult | English | 2020 | 2020-10-23 | 10.2196/22228 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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