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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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| ○ | ○ | Review | Prospects of non-noble metal single atoms embedded in two-dimensional (2D) carbon and non-carbon-based structures in electrocatalytic applications | The idea of single-atom catalysts (SACs) has gained attention in electrocatalysis owing to its high efficien-cies in energy conversion reactions. Supported single-atoms (SAs) exhibit major advantages, such as high atom utilization, strong interfacial interaction, and well-defined active centers, compared with nanopar-ticles. From a practical point of view, SACs comprising non-noble metals seem to be an attractive alter-native to expensive noble-metal catalytic systems. As the intrinsic activity and the electronic structure of SACs are governed by the support material and coordination environment of the metal species. Two-dimensional (2D) materials could be a promising candidates for supporting SAs owing to their high chem-ical stabilities and layered structures. This review provides an overview of recent developments in 2D materials-supported non-noble metal SACs for electrochemical energy conversion applications. The rel-evance of performing the comprehensive characterization of the 2D supported catalysts to elucidate their catalytic activities under different reaction conditions were highlighted. In light of recent findings in the field, we discussed the existing challenges and future opportunities regarding the correlation between the 2D structures and activities of SACs toward electrochemical energy conversion reactions.(c) 2022 Elsevier B.V. All rights reserved. | Kumar, Alam Venugopal Narendra; Prabhu, Subbaiah Muthu; Shin, Won Sik; Yadav, Krishna Kumar; Ahn, Yongtae; Abdellattif, Magda H.; Jeon, Byong-Hun | Hanyang Univ, Dept Earth Resources & Environm Engn, 222 Wangsimni Ro, Seoul 04763, South Korea; Kyungpook Natl Univ, Sch Architecture, Civil, Environm & Energy Engn, Daegu 41566, South Korea; Madhyanchal Profess Univ, Fac Sci & Technol, Ratibad, Bhopal 462044, India; Taif Univ, Coll Sci, Dept Chem, Al Haweiah 21944, Taif, Saudi Arabia | Yadav, Dr Krishna/IAQ-8782-2023; abdellattif, magda/ABA-8660-2020; S, Muthu Prabhu/ISV-3886-2023; Ahn, Yongtae/AAM-2088-2020; Jeon, Byong-Hun/AAF-4352-2020 | 39262149400; 7101753878; 23019870800; 57202908705; 55748071800; 57188998123; 57653536800 | bhjeon@hanyang.ac.kr; | COORDINATION CHEMISTRY REVIEWS | COORDIN CHEM REV | 0010-8545 | 1873-3840 | 467 | SCIE | CHEMISTRY, INORGANIC & NUCLEAR | 2022 | 20.6 | 1.2 | 0.76 | 2025-06-25 | 28 | 26 | Single-atom catalyst; Electrocatalysis; Atomically dispersed catalyst; Two-dimensional material; Non-noble metal catalyst | OXYGEN REDUCTION; HYDROGEN EVOLUTION; ORGANIC FRAMEWORKS; URIC-ACID; ENVIRONMENTAL REMEDIATION; EFFICIENT ELECTROCATALYST; ACTIVE-SITES; COBALT ATOMS; GRAPHENE; CATALYSTS | Atomically dispersed catalyst; Electrocatalysis; Non-noble metal catalyst; Single-atom catalyst; Two-dimensional material | English | 2022 | 2022-09-15 | 10.1016/j.ccr.2022.214613 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Design of evolutionary finite difference solver for numerical treatment of computer virus propagation with countermeasures model | In the present study, a novel application of integrated evolutionary computing paradigm is presented for the analysis of nonlinear systems of differential equations representing the dynamics of virus propagation model in computer networks by exploiting the discretization strength of finite difference procedure, global search efficacy of genetic algorithms (GAs) aided with interior-point method (IPM) as efficient local search mechanism. Residual error based cost function is constructed by utilizing the effectiveness of approximation in mean square error sense and combined strength of GA-IPM is used as a viable optimization mechanism to find the solution of the problem. The proposed scheme is implemented for dynamical analysis of the model in terms of susceptible-infected and protected computer nodes by varying the probabilities of infections, countermeasures, curing and immunity while keeping connected and disconnected rates fixed. The statistical performance evaluated by means of deviations from reference Adams numerical results are practiced viably through performance metrics of accuracy and computational complexity to demonstrate the worth of integrated stochastic solver. (C) 2021 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved. | Raja, Muhammad Asif Zahoor; Mehmood, Ammara; Ashraf, Sadia; Awan, Khalid Mahmood; Shi, Peng | Natl Yunlin Univ Sci & Technol, Future Technol Res Ctr, 123 Univ Rd,Sect 3, Touliu 64002, Yunlin, Taiwan; COMSATS Univ Islamabad, Dept Elect & Comp Engn, Attock Campus, Attock 43600, Pakistan; Univ Adelaide, Sch Elect & Elect Engn, Adelaide, Australia; Kyungpook Natl Univ, Sch Elect Engn, Daegu, South Korea; COMSATS Univ Islamabad, Dept Comp Sci, Attock Campus, Attock 43600, Pakistan | Raja, Muhammad/D-7325-2013; Mehmood, Ammara/AAR-4377-2020; Ashraf, Sadia/HZI-7147-2023; Awan, Khalid/N-7451-2019; Shi, Peng/H-5906-2012; Raja, Muhammad Asif Zahoor/D-7325-2013 | 36739939800; 57205730184; 57338283300; 56287471400; 36748941200 | rajamaz@yuntech.edu.tw;ammara.mehmood@adelaide.edu.au;sadiash333@gmail.com;khalid.awan@ciit-attock.edu.pk;peng.shi@adelaide.edu.au; | MATHEMATICS AND COMPUTERS IN SIMULATION | MATH COMPUT SIMULAT | 0378-4754 | 1872-7166 | 193 | SCIE | COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS;COMPUTER SCIENCE, SOFTWARE ENGINEERING;MATHEMATICS, APPLIED | 2022 | 4.6 | 1.3 | 4.48 | 2025-06-25 | 37 | 39 | Numerical computing; Computer virus modeling; Genetic algorithms; Interior-point method; Stochastic solver; Finite difference scheme | INSPIRED COMPUTATIONAL HEURISTICS; INTERIOR-POINT ALGORITHM; NEURAL-NETWORK; MATHEMATICAL-MODEL; GENETIC ALGORITHM; HEAT-TRANSFER; ZIKA VIRUS; FLUID-FLOW; INTELLIGENT; DYNAMICS | Computer virus modeling; Finite difference scheme; Genetic algorithms; Interior-point method; Numerical computing; Stochastic solver | Computer viruses; Cost functions; Differential equations; Finite difference method; Genetic algorithms; Mean square error; Nonlinear equations; Numerical methods; Numerical models; Stochastic models; Computer virus modeling; Computer virus propagation; Finite difference scheme; Interior-point method; Novel applications; Numerical computing; Numerical treatments; Stochastic solv; Stochastics; Virus model; Stochastic systems | English | 2022 | 2022-03 | 10.1016/j.matcom.2021.10.004 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Dynamics of nonlinear cantilever piezoelectric-mechanical system: An intelligent computational approach | In this study, a novel application of intelligent computing by the exploitation of a supervised neural networks (SNNs) optimized with the Levenberg-Marquardt method (LMM) is presented to study the dynamics of nonlinear cantilever piezoelectric-mechanical system (NCPMS) represented with a second-order system of ordinary differential equation. The dataset for NCPMS is created using Adams numerical solver for input and target parameters for continuous mapping of SNN model of the system. The training, testing, and validation processes are exploited for SNNs models learned by LMM to determine the solution of NCPMS for different scenarios based on variation of amplitude and phase of cantilever frequency for small and large-time domains while keeping the tip mass, beam length, mass density, capacitance and load resistance constant. The performance of SNN to solve NCPMS is substantiated on measurement of achieved accuracy through mean squared error, error histogram illustrations and regression analyzes.(c) 2022 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved. | Naz, Sidra; Raja, Muhammad Asif Zahoor; Kausar, Aneela; Zameer, Aneela; Mehmood, Ammara; Shoaib, Muhammad | Pakistan Inst Engn & Appl Sci, Dept Elect Engn, Islamabad 45650, Pakistan; Natl Yunlin Univ Sci & Technol, Future Technol Res Ctr, 123 Univ Rd,Sect 3, Touliu 64002, Yunlin, Taiwan; COMSATS Univ Islamabad, Dept Elect & Comp Engn, Attock Campus, Attock 43600, Pakistan; Pakistan Inst Engn & Appl Sci, Dept Comp & Informat Sci, Islamabad 45650, Pakistan; Kyungpook Natl Univ, Sch Elect Engn, Seoul, South Korea; COMSATS Univ Islamabad, Dept Math, Attock Campus, Attock 43600, Pakistan | naz, sidra/CAH-6822-2022; Raja, Muhammad Asif Zahoor/D-7325-2013; Jaffery, Aneela Zameer/W-5857-2019; Shoaib, Muhammad/ABB-8901-2021; Mehmood, Ammara/AAR-4377-2020; Zameer, Aneela/W-5857-2019; Raja, Muhammad/D-7325-2013 | 57208177259; 36739939800; 57444361400; 57202779741; 57205730184; 57213458638 | sidranaz_19@pieas.edu.pk;rajamaz@yuntech.edu.tw;aneelakausar1@gmail.com;aneelaz@pieas.edu.pk;ammara@knu.ac.kr;dr.shoaib@cuiatk.edu.pk; | MATHEMATICS AND COMPUTERS IN SIMULATION | MATH COMPUT SIMULAT | 0378-4754 | 1872-7166 | 196 | SCIE | COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS;COMPUTER SCIENCE, SOFTWARE ENGINEERING;MATHEMATICS, APPLIED | 2022 | 4.6 | 1.3 | 2.95 | 2025-06-25 | 22 | 25 | Piezoelectric cantilever model; Supervised neural network; Levenberg-Marquardt algorithm; Regression analysis; Numerical computing; Intelligent computing | NEURAL-NETWORK; ENERGY HARVESTER; DIFFERENTIAL EVOLUTION; NUMERICAL TREATMENT; DESIGN; OPTIMIZATION; MODEL; ALGORITHM; HEURISTICS; PARADIGMS | Intelligent computing; Levenberg–Marquardt algorithm; Numerical computing; Piezoelectric cantilever model; Regression analysis; Supervised neural network | Mean square error; Nonlinear equations; Ordinary differential equations; Piezoelectricity; Regression analysis; Time domain analysis; Computational approach; Levenberg-Marquardt algorithm; Levenberg-Marquardt method; Mechanical systems; Neural network model; Numerical computing; Piezoelectric; Piezoelectric cantilever model; Piezoelectric cantilevers; Supervised neural networks; Nanocantilevers | English | 2022 | 2022-06 | 10.1016/j.matcom.2022.01.011 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Hedgehog signaling reprograms hair follicle niche fibroblasts to a hyper-activated state | Hair follicle stem cells are regulated by dermal papilla fibroblasts, their principal signaling niche. Overactivation of Hedgehog signaling in the niche dramatically accelerates hair growth and induces follicle multiplication in mice. On single-cell RNA sequencing, dermal papilla fibroblasts increase heterogeneity to include new Wnt5a(high) states. Transcriptionally, mutant fibroblasts activate regulatory networks for Gli1, Alx3, Ebf1, Hoxc8, Sox18, and Zfp239. These networks jointly upregulate secreted factors for multiple hair morphogenesis and hair-growth-related pathways. Among these is non-conventional TGF-beta ligand Scube3. We show that in normal mouse skin, Scube3 is expressed only in dermal papillae of growing, but not in resting follicles. SCUBE3 protein microinjection is sufficient to induce new hair growth, and pharmacological TGF-beta inhibition rescues mutant hair hyper-activation phenotype. Moreover, dermal-papilla-enriched expression of SCUBE3 and its growth-activating effect are partially conserved in human scalp hair follicles. Thus, Hedgehog regulates mesenchymal niche function in the hair follicle via SCUBE3/TGF-beta mechanism. | Liu, Yingzi; Guerrero-Juarez, Christian F.; Xiao, Fei; Shettigar, Nitish Udupi; Ramos, Raul; Kuan, Chen-Hsiang; Lin, Yuh-Charn; Lomeli, Luis de Jesus Martinez; Park, Jung Min; Oh, Ji Won; Liu, Ruiqi; Lin, Sung-Jan; Tartaglia, Marco; Yang, Ruey-Bing; Yu, Zhengquan; Nie, Qing; Li, Ji; Plikus, Maksim, V | Cent South Univ, Xiangya Hosp, Dept Dermatol, Changsha 410008, Hunan, Peoples R China; Univ Calif Irvine, Dept Dev & Cell Biol, Irvine, CA 92697 USA; Univ Calif Irvine, Sue & Bill Gross Stem Cell Res Ctr, Irvine, CA 92697 USA; Univ Calif Irvine, Dept Math, Irvine, CA 92697 USA; Univ Calif Irvine, Ctr Complex Biol Syst, Irvine, CA 92697 USA; Univ Calif Irvine, NSF Simons Ctr Multiscale Cell Fate Res, Irvine, CA 92697 USA; Amplif Holdings Grp Inc, San Diego, CA 92128 USA; Natl Taiwan Univ Hosp, Dept Surg, Div Plast Surg, Taipei, Taiwan; Natl Taiwan Univ, Res Ctr Dev Biol & Regenerat Med, Taipei, Taiwan; Taipei Med Univ, Coll Med, Sch Med, Dept Physiol, Taipei, Taiwan; Acad Sinica, Inst Biomed Sci, Taipei, Taiwan; Univ Calif Irvine, Dept Stat, Irvine, CA 92697 USA; Yonsei Univ, Coll Med, Dept Anat, Seoul, South Korea; Kyungpook Natl Univ, Sch Med, Dept Anat, Daegu, South Korea; Kyungpook Natl Univ Hosp, Hair Transplantat Ctr, Daegu, South Korea; China Agr Univ, Coll Biol Sci, State Key Labs Agrobiotechnol, Beijing 100193, Peoples R China; Natl Taiwan Univ, Inst Biomed Engn, Taipei, Taiwan; Natl Taiwan Univ, Dept Dermatol, Taipei, Taiwan; IRCCS, Genet & Rare Dis Res Div, Osped Pediat Bambino Gesu, I-00146 Rome, Italy; Cent South Univ, Xiangya Hosp, Hunan Key Lab Aging Biol, Changsha 410008, Hunan, Peoples R China | Liu, Ruiqi/JTU-2973-2023; Yang, Ruey-Bing/O-1494-2018; Chen, Po-Huang/AAX-2927-2021; Tartaglia, Marco/K-2955-2018; Oh, Ji/AAZ-3153-2020; Lin, Yuh-Charn/P-2520-2018; Guerrero-Juarez, Christian/MGB-3750-2025 | 58252595200; 56004365500; 57820882000; 57821910200; 55758058000; 56196810700; 26665556500; 57821656500; 57195987554; 36093206200; 57208772908; 7407160357; 57218448148; 7403924708; 56562138200; 7005041797; 36008938500; 6506862971 | liji_xy@csu.edu.cn;plikus@uci.edu; | DEVELOPMENTAL CELL | DEV CELL | 1534-5807 | 1878-1551 | 57 | 14 | SCIE | CELL BIOLOGY;DEVELOPMENTAL BIOLOGY | 2022 | 11.8 | 1.3 | 4 | 2025-06-25 | 45 | 45 | BETA-CATENIN ACTIVITY; STEM-CELL ACTIVATION; DERMAL PAPILLA CELLS; TGF-BETA; SONIC-HEDGEHOG; GROWTH-PHASE; MOUSE SKIN; SCUBE3; REGENERATION; MORPHOGENESIS | dermal papilla; fibroblasts; hair follicle; hair growth; Hedgehog pathway; Leptin receptor; Scube3; stem cell niche | Animals; Calcium-Binding Proteins; Cells, Cultured; Fibroblasts; Hair; Hair Follicle; Hedgehog Proteins; Humans; Mice; SOXF Transcription Factors; Transforming Growth Factor beta; calcium binding protein; SCUBE3 protein, human; sonic hedgehog protein; SOX18 protein, human; transcription factor Sox; transforming growth factor beta; animal; cell culture; fibroblast; hair; hair follicle; human; metabolism; mouse | English | 2022 | 2022-07-25 | 10.1016/j.devcel.2022.06.005 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Use of sewage sludge biochar as a catalyst in production of biodiesel through thermally induced transesterification | Sewage sludge (SS) is a residual/semi-solid material produced from industrial and municipal wastewater treatment processes. SS contains a high content of lipids and earth alkaline metals that can be used as catalysts for various chemical applications; however, its valorization has rarely been the focus of research. This study demonstrates that SS could be a promising raw material for biodiesel production and a biochar catalyst to promote the reaction kinetics of alkylation. Thermally induced transesterification of the SS extract (SSE) was performed in comparison with the conventional homogeneous reaction. SS biochar was fabricated via pyrolysis. The highest yield (33.5 wt.% per SSE) of biodiesel production was achieved in 1 min of reaction at 305 & DEG;C via thermally induced transesterification in the presence of SS biochar, while the yield of biodiesel from (trans)esterification with 5 wt.% H2SO4 was less than 1% even after 24 h. The reaction kinetics (< 1 min) of thermally induced transesterification was extraordinarily faster than that of conventional transesterification (3-24 h). The porous structure and high content of alkaline species in the SS biochar expedited the reaction kinetics. Consequently, the integrated/hybridized process for thermally induced transesterification and pyrolysis of the solid residue of SS was experimentally proved for the valorization of SS in this study. Considering that SS is being disposed of as a waste material and generates toxic chemicals in the environment, its valorization into value-added biodiesel and a catalyst could be an environmentally benign and sustainable technique. | Jung, Sungyup; Kim, Minyoung; Kim, Yong-Hyun; Lin, Kun-Yi Andrew; Chen, Wei-Hsin; Tsang, Yiu Fai; Kwon, Eilhann E. E. | Kyungpook Natl Univ, Dept Environm Engn, Daegu 41566, South Korea; Hanyang Univ, Dept Earth Resources & Environm Engn, Seoul 04763, South Korea; Jeonbuk Natl Univ, Dept Civil, Environm, Resources & Energy Engn, Jeollabukdo, Jeonju 54896, South Korea; Natl Chung Hsing Univ, Dev Ctr Sustainable Agr, Dept Environm Engn & Innovat, Kuo-Kuang Rd, Taichung 250, Taiwan; Natl Cheng Kung Univ, Dept Aeronaut & Astronaut, Tainan 701, Taiwan; Tunghai Univ, Res Ctr Smart Sustainable Circular Econ, Taichung 407, Taiwan; Natl Chin Yi Univ Technol, Dept Mech Engn, Taichung 411, Taiwan; Educ Univ Hong Kong, Dept Sci, Environm Studies, Hong Kong 999077, Peoples R China | Lin, Kun-Yi/B-2503-2015; Tsang, Yiu/AAJ-2524-2020; Kwon, Eilhann/A-1225-2012; Chen, Wei-Hsin/S-2033-2018; Jung, Sungyup/ABE-1493-2021; Kim, Yong/R-4856-2018 | 55073290800; 57193932233; 57196174153; 44961317800; 57200873137; 22954605700; 9240622100 | ek2148@hanyang.ac.kr; | BIOCHAR | BIOCHAR | 2524-7972 | 2524-7867 | 4 | 1 | SCIE | ENVIRONMENTAL SCIENCES;SOIL SCIENCE | 2022 | 12.7 | 1.4 | 1.2 | 2025-06-25 | 13 | 15 | Circular economy; Waste-to-energy; Biochar catalyst; Biodiesel; Wastewater treatment | WASTE-WATER TREATMENT; ENVIRONMENTAL APPLICATION; LIPID EXTRACTION; HEAVY-METALS; COOKING OIL; ENERGY; CHALLENGES; TRANSFORMATION; OPPORTUNITIES; CONVERSION | Biochar catalyst; Biodiesel; Circular economy; Waste-to-energy; Wastewater treatment | English | 2022 | 2022-12 | 10.1007/s42773-022-00194-7 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Bifunctional nanoparticles decorated Ni1-xMnxCo2O4 ultrathin nanoflakes-like electrodes for supercapacitor and overall water splitting | Synthesizing triple transition metal oxide (TTMO) is an extraordinary strategy to develop electrodes for efficient energy storage and conversion devices, owing to their unique nanostructure with high porosity and specific surface area. The cobalt-based mixed-valence oxides have attracted great attention due to their facile synthesis, low cost, and excellent electrochemical performance. However, less attention is paid to investigating the effect of different substitutions on the physico-chemical properties of TTMO. In this study, nanoparticles (NPs) decorated ultrathin Ni1-xMnxCo2O4 nanoflakes (NPs@NFs) are synthesized by tuning the molar ratio between Mn and Ni via facile deep eutectic solvents (DESs) method. Unique and highly porous NPs@NFs nanostructures aid to increase the overall surface area of the materials, whereas Mn, Ni, and Co ions participate in their redox-active capacity, improving the electrochemical activity of the material. This Ni0.8Mn0.2Co2O4 hybrid nanostructure exhibited excellent supercapacitive performance with a high specific capacity (Cs) of 761 mAh g(-1) at a higher current density of 30 mA cm(-2) and superior cycling retention of 92.86% after 10 000 cycles. Further, a hybrid asymmetric supercapacitor (Ni0.8Mn0.2Co2O4//AC) device exhibited an extended potential window of 1.5 V, which results in an ultrahigh energy density of 66.2 W kg(-1) by sustaining a power density of 1519 Wh kg(-1). The electrocatalytic activity of the optimized Ni0.8Mn0.2Co2O4 shows the outstanding performance toward hydrogen evolution reaction (HER) (150 mV/ 161 mV dec(-1)) and oxygen evolution reaction (OER) (123 mV/47 mV dec(-1)) with a lower voltage of 1.51 V (@10 mA cm(-2)) for overall water splitting, with outstanding stability up to 25 hours. These results indicate that chemically synthesized ultrathin NPs@NFs-like nanostructure is a capable electrode for multiple applications, such as supercapacitors, and overall water splitting. Highlights Facial synthesis of nanoflakes of Ni1-XMnXCo2O4 thin films by a DES method. Fully decorated NPs on the interconnected NFs provided a higher surface area. Nanostructures with a maximum specific capacity of 761 mAh g(-1) at 30 mA cm(-2), with excellent stability of 92.86%. The solid-state device shows an excellent energy density of 66.2 Wh kg(-1) at a power density of 1519 W kg(-1). The assembled Ni0.8Mn0.2Co2O4 /Ni-based water splitting exhibited low voltage (1.51 V) and superb stability up to 25 hours. | Shinde, Surendra K.; Karade, Swapnil S.; Maile, Nagesh C.; Yadav, Hemraj M.; Jagadale, Ajay D.; Jalak, Monali B.; Kim, Dae-Young | Dongguk Univ Seoul, Coll Life Sci & Biotechnol, Dept Biol & Environm Sci, Biomed Campus,32 Dongguk Ro, Goyang Si 10326, Gyeonggi Do, South Korea; Univ Southern Denmark, Dept Green Technol, Odense M, Denmark; Kyungpook Natl Univ, Dept Environm Engn, Daegu, South Korea; Shivaji Univ, Sch Nanosci & Biotechnol, Kolhapur, Maharashtra, India; SASTRA Deemed Univ, Sch Elect & Elect Engn, Ctr Energy Storage & Convers, Thanjavur, India; Shivaji Univ, Dept Phys, Kolhapur, Maharashtra, India | Karade, Swapnil/AAA-8285-2020; Jagadale, Ajay/O-5253-2014; Shinde, Santaji/LFT-9528-2024; Maile, Nagesh/AFD-8838-2022 | 55776351000; 56674484600; 57193804539; 55389590800; 44161199800; 57203877390; 55742887400 | surendrashinde@dongguk.cdu;sbpkim@dongguk.edu;surendrashinde@dongguk.edu; | INTERNATIONAL JOURNAL OF ENERGY RESEARCH | INT J ENERG RES | 0363-907X | 1099-114X | 46 | 12 | SCIE | ENERGY & FUELS;NUCLEAR SCIENCE & TECHNOLOGY | 2022 | 4.6 | 1.5 | 0.51 | 2025-06-25 | 7 | 8 | hydrogen evolution reaction; nanostructures; Ni1-xMnxCo2O4; overall water splitting; oxygen evolution reaction; solid-state hybrid supercapacitors | PERFORMANCE ASYMMETRIC SUPERCAPACITORS; LAYERED DOUBLE HYDROXIDES; OXYGEN EVOLUTION; POSITIVE ELECTRODE; HETEROGENEOUS ELECTROCATALYSTS; EFFICIENT ELECTROCATALYST; OXIDE NANOPARTICLES; ENERGY DENSITY; DOPED CARBON; COPPER-OXIDE | hydrogen evolution reaction; nanostructures; Ni<sub>1-x</sub>Mn<sub>x</sub>Co<sub>2</sub>O<sub>4</sub>; overall water splitting; oxygen evolution reaction; solid-state hybrid supercapacitors | Electrodes; Hydrogen; Manganese compounds; Molar ratio; Nanoparticles; Nickel compounds; Oxygen; Redox reactions; Supercapacitor; Synthesis (chemical); Transition metal oxides; Transition metals; Hybrid supercapacitors; Hydrogen evolution reactions; Nano-flakes; Ni1-xmnxco2O4; Overall water splitting; Solid-state hybrid supercapacitor; Synthesised; Transition-metal oxides; Ultra-thin; Water splitting; Cobalt compounds | English | 2022 | 2022-10-10 | 10.1002/er.8333 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Effect of valence state of cobalt in cobalt hexacyanoferrate coprecipitated at different temperatures on electrochemical behavior | Cobalt hexacyanoferrate (CoFe(CN)(6); CoHCF) is coprecipitated as a cathode material in an Na-ion aqueous battery with varying solution temperatures of 5 degrees C, 25 degrees C, 50 degrees C, and 70 degrees C to tailor the particle size and defect content. At a low temperature, the small cubic particle is prepared with high Fe vacancies and low Na amounts. Conversely, an elevated temperature results in the enlarged particle with lower Fe vacancies and high Na amounts. Meanwhile, the lattice parameter is extended at a high temperature based on the Co2+ evolution with a larger ionic radius than that of the Co3+ ion at the Co site. Contrary with the expectations, a lower specific capacity is obtained for the highly crystalline structure at high temperature due to the evolution of the irreversible redox-inactive Co2+. The low temperature of 5 degrees C confers an excellent rate capability, capacity retention of 89% at 20 times faster charging rate, based on the smaller particles and relieved distortion in cycling. The shorter diffusion path for Na intercalation due to the fine powder enables a faster charging process. Higher Fe vacancies induced at lower temperature limit Na accommodation, yielding a reduced distortion. The coprecipitation at low temperature enhances the rate performance and cyclability, sacrificing the capacity. Novelty Statement center dot High temperature builds the large particle with low Fe vacancies and high Na amounts. center dot High temperature derives the extended lattice constant due to Co2+ evolution in CoHCF. center dot Evolution of the irreversible redox-inactive Co2+ degrades the specific capacity. center dot Low temperature enhances rate performance due to small powder and relaxed distortion. center dot High rate performance and cyclability at low temperature sacrifices the capacity. | Kim, Jihwan; Yi, Seong-Hoon; Li, Li; Tran Viet Thu; Chun, Sang-Eun | Kyungpook Natl Univ, Sch Mat Sci & Engn, Daegu 41566, South Korea; Northeastern Univ, State Key Lab Rolling & Automat, Shenyang, Peoples R China; Northeastern Univ, Sch Met, Shenyang, Peoples R China; Le Quy Don Tech Univ, Dept Chem Engn, 236 Hoang Quoc Viet, Hanoi, Vietnam; Kyungpook Natl Univ, Dept Hydrogen & Renewable Energy, Daegu, South Korea | Li, Li/ABF-1706-2020; Yi, Seonghoon/HGC-6912-2022; Thu, Tran Viet/H-5205-2011 | 58743659700; 14008383000; 56122801700; 35489282800; 36801080300 | thutv@mta.edu.vn;sangeun@knu.ac.kr; | INTERNATIONAL JOURNAL OF ENERGY RESEARCH | INT J ENERG RES | 0363-907X | 1099-114X | 46 | 15 | SCIE | ENERGY & FUELS;NUCLEAR SCIENCE & TECHNOLOGY | 2022 | 4.6 | 1.5 | 0.74 | 2025-06-25 | 10 | 11 | cobalt hexacyanoferrate; coprecipitation temperature; redox-activeness; reversibility; valence state | PRUSSIAN BLUE ANALOGS; CATHODE MATERIAL; AQUEOUS SODIUM; SUPERIOR CATHODE; NICKEL HEXACYANOFERRATE; IRON HEXACYANOFERRATE; HIGH-CAPACITY; HIGH-VOLTAGE; INTERCALATION; PERFORMANCE | cobalt hexacyanoferrate; coprecipitation temperature; redox-activeness; reversibility; valence state | Cathodes; Charging (batteries); Cobalt; Cobalt compounds; Coprecipitation; Iron; Particle size; Temperature; Co-precipitated; Co-precipitation temperature; Cobalt hexacyanoferrate; High NA; High-Fe; Highest temperature; Lows-temperatures; Redox-activeness; Reversibility; Valence state; Lattice constants | English | 2022 | 2022-12 | 10.1002/er.8574 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Electrochemical studies of Ni(OH)2, NiO, and Ni3S2 nanostructures on Ni-foam toward binder-free positive electrode for hybrid supercapacitor application | Self-supported, porous, and binder-free hexagonal nanosheets of Ni(OH)(2) [HS-Ni(OH)(2)], hexagonal nanosheets of NiO [HS-NiO], and hexagonal-nanosheet/ nanoporous-grain like Ni3S2 [HSNG-Ni3S2] were successfully grown on 3D Ni-foam at different stages of hydrothermal synthesis using Ni-foam as a precursor source for the cost-effective fabrication of positive electrode for hybrid supercapacitor (SC) application. Comparative analysis revealed that the HSNG-Ni3S2 exhibited a maximum areal capacitance of 1286 mF cm(-2) at 0.5 mA cm(-2), far more than the 217 mF cm(-2) of HS-NiO and 129 mF cm(-2) of HS-Ni(OH)(2), with remarkable capacitance retention of 97% for 5000 charge-discharge cycles. The porous binder-free electrode design, improved interfacial conductivity, and easy ionic diffusion are responsible for the remarkable performance of HSNG-Ni3S2. Furthermore, the aqueous alkaline hybrid SC assembled by HSNG-Ni3S2 as a positive electrode with activated carbon as a negative electrode delivered a maximum areal capacitance of 225.4 mF cm(-2) at 1 mA cm(-2) with remarkable stability up to 92.2% for 5000 charge-discharge cycles. This study presents insightful electrochemical properties of binder-free designed Ni-based Ni(OH)(2), NiO, and Ni3S2 electrodes for low-cost and environmental-friendly energy storage systems. | Maile, Nagesh C.; Ghani, Ahsan Abdul; Shinde, Surendra K.; Kim, Bolam; Lim, Youngsu; Tahir, Khurram; Devarayapalli, Kamakshaiah Charyulu; Mohite, Santosh, V; Jang, Jiseon; Lee, Dae Sung | Kyungpook Natl Univ, Dept Environm Engn, 80 Daehak Ro, Daegu 41566, South Korea; Dongguk Univ, Coll Life Sci & Biotechnol, Dept Biol & Environm Sci, Goyang Si, Gyeonggi Do, South Korea; Incheon Natl Univ, Res Inst Basic Sci, Incheon, South Korea; Korea Radioact Waste Agcy, R&D Inst Radioact Wastes, Daejeon, South Korea | ; Tahir, Khurram/KFS-5321-2024; Maile, Nagesh/AFD-8838-2022; Shinde, Santaji/LFT-9528-2024 | 57193804539; 57218294089; 55776351000; 57208922438; 57207112603; 57207114377; 15069351300; 55974239000; 56611137400; 55568524907 | daesung@knu.ac.kr; | INTERNATIONAL JOURNAL OF ENERGY RESEARCH | INT J ENERG RES | 0363-907X | 1099-114X | 46 | 15 | SCIE | ENERGY & FUELS;NUCLEAR SCIENCE & TECHNOLOGY | 2022 | 4.6 | 1.5 | 0.66 | 2025-06-25 | 10 | 10 | binder-free; hybrid supercapacitor; Ni(OH)(2); Ni3S2; NiO | BATTERY-TYPE; ENERGY-STORAGE; ASYMMETRIC SUPERCAPACITOR; NANOSHEET ARRAYS; CARBON CLOTH; ONE-STEP; PERFORMANCE; CAPACITANCE; NANOFLAKES; DEPOSITION | binder-free; hybrid supercapacitor; Ni(OH)<sub>2</sub>; Ni<sub>3</sub>S<sub>2</sub>; NiO | Activated carbon; Capacitance; Cost effectiveness; Electric discharges; Electrochemical electrodes; Hydrothermal synthesis; Nanosheets; Supercapacitor; Binder free; Charge-discharge cycle; Different stages; Electrochemical studies; Hexagonal nanosheets; Hybrid supercapacitors; Nano-porous; Ni foam; Positive electrodes; Supercapacitor application; Nickel oxide | English | 2022 | 2022-12 | 10.1002/er.8553 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Facile synthesis of zeolitic imidazolate framework-67/vanadium-doped nickel hydroxide as active electrocatalyst for oxygen evolution reaction | Research activities devoted to the development of noble metal-free electrocatalysts have expanded and still require large energy input to drive the oxygen evolution reaction (OER). A key challenge to improve the efficiency of water electrolysis systems is to develop efficient and robust electrocatalysts for water splitting. We propose a simple strategy to construct a nanostructure composed of zeolitic imidazolate framework (ZIF)-67 grafted onto vanadium-doped nickel hydroxide (Ni-V) microflowers (MFs). In this integrated structure, the ZIF-67 polyhedrons were well assembled on the surface of the Ni-V MFs (ie, Z-67/Ni-V), thus enhancing the OER kinetics as a result of the interaction between Ni-V and Co and increasing the electrocatalytic activity. In addition, the Z-67/Ni-V nanostructure is an efficient catalyst that exhibits improved surface area and pore volume. The Z-67/Ni-V nanostructures demonstrated greater OER electrocatalytic activity for alkaline water electrolysis and improved structural stability. Compared to their bare Ni-V-hydroxide counterparts, the Z-67/Ni-V nanostructure reveals an exceptionally low overpotential of 320 mV with a low Tafel slope of 71 mV dec(-1) and remarkable long-standing stability at current density of 10 mA cm(-2). | Devarayapalli, Kamakshaiah Charyulu; Vattikuti, S. V. Prabhakar; Lee, Jaewon; Kim, Taewan; Lee, Kiyoung | Kyungpook Natl Univ, Res Inst Environm Sci & Technol, Daegu, South Korea; Yeungnam Univ, Sch Mech Engn, Gyongsan, South Korea; Inha Univ, Dept Chem & Chem Engn, Incheon 22212, South Korea | ; VATTIKUTI, S/I-5237-2019; Lee, Kiyoung/J-8680-2013 | 15069351300; 57542619100; 58744440600; 59809156400; 57219211501 | kiyoung@inha.ac.kr; | INTERNATIONAL JOURNAL OF ENERGY RESEARCH | INT J ENERG RES | 0363-907X | 1099-114X | 46 | 9 | SCIE | ENERGY & FUELS;NUCLEAR SCIENCE & TECHNOLOGY | 2022 | 4.6 | 1.5 | 0.22 | 2025-06-25 | 3 | 3 | electrocatalysts; metal-organic frameworks; nickel hydroxide; oxygen evolution reaction; ZIF-67 | LAYERED DOUBLE HYDROXIDES; HYDROGEN EVOLUTION; WATER; PERFORMANCE; NANOSHEETS; OXIDATION; CATALYSTS; EFFICIENT; GRAPHENE; IR | electrocatalysts; metal-organic frameworks; nickel hydroxide; oxygen evolution reaction; ZIF-67 | Electrocatalysts; Nanostructures; Nickel compounds; Organometallics; Oxygen; Precious metals; Slope stability; Vanadium compounds; Electrocatalytic activity; Energy inputs; Facile synthesis; Metal-free electrocatalysts; Metalorganic frameworks (MOFs); Microflowers; Research activities; Vanadium doped; Zeolitic imidazolate framework-67; Zeolitic imidazolate frameworks; Electrolysis | English | 2022 | 2022-07 | 10.1002/er.7989 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Hierarchical 3D micro-nanostructures based on in situ deposited bimetallic metal-organic structures on carbon fabric for supercapacitor applications | Metal-organic frameworks (MOFs) have received considerable devotion as capable electrode materials for energy storage applications. However, applying MOFs to electrodes still faces difficulties including achieving high capacitance, rate performance with good stability. Therefore, in order to further advance the electrochemical activity, it is necessary to rationally design the electrode structure and couple the metallic elements to obtain the desired structure. Here, novel three-dimensional (3D) hollow microspheres with hierarchical structure of nickel-zinc MOFs (NZMF) are fabricated in situ on carbon fabric (NZMF/CF) by a solvo-hydrothermal approach used directly as binder-free electrode for supercapacitor applications. The rate capacity of NZMF/CF sample is higher than that of NZMF. In addition, the 3D NZMF/CF electrode offered superior specific capacitance (311.11 F g(-1)) compared with NZMF (273.33 F g(-1)), ascribed good electrical conductivity of CF scaffold. As a result, a split cell asymmetric supercapacitor device (SC-ASD) assembled using NZMF/CF//AC/CF attained a good energy density of 22.39 Wh kg(-1) at 1650 W kg(-1) power density with cyclic stability of 93.69% achieved even after 1000 cycles. This study offers a versatile scheme to efficiently prepare MOF-based binder-free energy storage materials for forthcoming hybrid and flexible electronic devices. | Zeng, Jie; Devarayapalli, Kamakshaiah Charyulu; Vattikuti, S. V. Prabhakar; Shim, Jaesool | Yeungnam Univ, Sch Mech Engn, Gyongsan 38541, South Korea; Kyungpook Natl Univ, Dept Environm Engn, Daegu, South Korea | VATTIKUTI, S/I-5237-2019 | 57349068900; 15069351300; 35300478500; 16040548500 | vsvprabu@gmail.com;jshim@ynu.ac.kr; | INTERNATIONAL JOURNAL OF ENERGY RESEARCH | INT J ENERG RES | 0363-907X | 1099-114X | 46 | 5 | SCIE | ENERGY & FUELS;NUCLEAR SCIENCE & TECHNOLOGY | 2022 | 4.6 | 1.5 | 1.25 | 2025-06-25 | 17 | 17 | asymmetric device; electrode materials; energy storage; MOFs; supercapacitor | ASYMMETRIC SUPERCAPACITOR; PERFORMANCE; MOF; FRAMEWORK; ELECTRODES; CONSTRUCTION; COMPOSITE; HYBRID; CLOTH | asymmetric device; electrode materials; energy storage; MOFs; supercapacitor | Capacitance; Carbon; Electrochemical electrodes; Energy storage; Free energy; Hybrid materials; Organic carbon; Organometallics; Storage (materials); Asymmetric device; Bimetallics; Binder free; Carbon fabrics; Electrode material; Metalorganic frameworks (MOFs); Metalorganics; Micronanostructure; Organic structures; Supercapacitor application; Supercapacitor | English | 2022 | 2022-04 | 10.1002/er.7544 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Magnetohydrodynamic stabilizer suppressing gas entrainment for safety improvement in a sodium-cooled fast reactor | In a low-carbon economy, nuclear energy is considered a viable option to meet increased energy demands. Several countries have been developing sodium-cooled fast reactors (SFRs), which have a highest potential for commercialization among Generation IV reactor systems. However, for SFR's safe operation, the gas entrainment (GE) issue in SFRs should be resolved first. Although many types of free-surface stabilizers have been studied for preventing GE, any generalized types showing a stable operating performance have not been determined yet. In this study, as a new type of free-surface stabilizer, we have tested a magnetohydrodynamic (MHD) stabilizer for the Korean-conceptual SFR. A pair of torus-type magnets was devised for the MHD stabilizer through parametric-model studies. The magnetism well alleviated the sources of GE such as the rotating flow and central sink. As a result, a calm free surface was achieved with an 87% reduction in vortex core depth using 0.07 T magnetic field intensity. | Lee, Jong H.; Park, Il S. | Kyungpook Natl Univ, Dept Mech Engn, Daegu, South Korea; Kyungpook Natl Univ, Sch Mech Engn, 80 Daehakro, Daegu 41566, South Korea | Lee, Jong Hui/JFT-0292-2023 | 57204669495; 50262800000 | einstein@knu.ac.kr; | INTERNATIONAL JOURNAL OF ENERGY RESEARCH | INT J ENERG RES | 0363-907X | 1099-114X | 46 | 15 | SCIE | ENERGY & FUELS;NUCLEAR SCIENCE & TECHNOLOGY | 2022 | 4.6 | 1.5 | 0.22 | 2025-06-25 | 3 | 3 | gas entrainment; magnetohydrodynamic stabilizer; safety problem; sodium-cooled fast reactor | ENERGY-CONSUMPTION; NUMERICAL-ANALYSIS; ECONOMIC-GROWTH; CORE PHENOMENON; CO2 EMISSIONS; CASTING MOLD; DRAIN PORT; HEAT; DYNAMICS; NUCLEAR | gas entrainment; magnetohydrodynamic stabilizer; safety problem; sodium-cooled fast reactor | Renewable energy resources; Sodium compounds; Sodium-cooled fast reactors; Vortex flow; Commercialisation; Energy demands; Free surfaces; Gas entrainment; High potential; Low carbon economy; Magnetohydrodynamic stabilizer; Safety improvement; Safety problems; Stabiliser; Magnetohydrodynamics | English | 2022 | 2022-12 | 10.1002/er.8659 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Microbially catalyzed enhanced bioelectrochemical performance using covalent organic framework-modified anode in a microbial fuel cell | Electrode modification is crucial in improving the power density and bioelectrochemical performance of a microbial fuel cell (MFC). The conventional carbon felt (CF) surface was modified as an anode in this study to examine an emerging class of materials known as covalent organic framework (COF). In a three-electrode system, the performance of the modified anode (TpPa-1@CF) was evaluated using various physical and bioelectrochemical techniques, demonstrating superior bioelectrochemical activity (cyclic voltammetry), reduced electrode resistance (electrochemical spectroscopy), and excellent electrode stability (chronoamperometry). With a 4.3 and 12.7-fold improvement in power (1069 mW/m(2)) and current (1954 mA/m(2)) density and steady MFC performance as compared to the uncoated electrode throughout five MFC cycles, TpPa-1@CF demonstrated better bioelectrochemical activity. Furthermore, the rough electrode surface area and numerous catalytically active sites of TpPa-1@CF promoted the microbial growth/adhesion along with substrate fluxes yielding the selective enrichment of Proteobacteria and Bacteroidetes (electricity-producing phyla). These results indicated that TpPa-1@CF is a promising anode material for several bioelectrochemical applications. | Tahir, Khurram; Hussain, Muzammil; Maile, Nagesh; Ghani, Ahsan Abdul; Kim, Bolam; Lee, Dae Sung | Kyungpook Natl Univ, Dept Environm Engn, 80 Daehak Ro, Daegu 41566, South Korea | ; Maile, Nagesh/AFD-8838-2022; Tahir, Khurram/KFS-5321-2024 | 57207114377; 58279975000; 57193804539; 57218294089; 57208922438; 55568524907 | dacsung@knu.ac.kr;daesung@knu.ac.kr; | INTERNATIONAL JOURNAL OF ENERGY RESEARCH | INT J ENERG RES | 0363-907X | 1099-114X | 46 | 12 | SCIE | ENERGY & FUELS;NUCLEAR SCIENCE & TECHNOLOGY | 2022 | 4.6 | 1.5 | 0.29 | 2025-06-25 | 4 | 4 | anode modification; covalent organic framework; microbial fuel cell; power density; TpPa-1 | ELECTRON-TRANSFER; ELECTRICITY-GENERATION; CARBON-FIBERS; NANOPARTICLES; CONSTRUCTION; OXIDE | anode modification; covalent organic framework; microbial fuel cell; power density; TpPa-1 | Anodes; Chronoamperometry; Cyclic voltammetry; Electrochemical electrodes; Anode modification; Bio-electrochemical; Carbon felts; Covalent organic frameworks; Electrode modification; Electrode resistance; Performance; Power densities; Three electrode-system; Tppum-1; Microbial fuel cells | English | 2022 | 2022-10-10 | 10.1002/er.8364 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Comparison between the use of polyether ether ketone and stainless steel columns for ultrasonic-assisted extraction under various ultrasonic conditions | The ultrasound-assisted extraction (UAE) was conducted using the stainless steel (SS) and polyether ether ketone (PEEK) columns and analyzed with high-performance liquid chromatography (HPLC) to understand the mech-anism of ultrasound-assisted chromatography (UAC). Empty SS and PEEK columns were used to extract dyes from a fabric under identical conditions with several parameters including the initial ultrasonic bath tempera-tures (30 degrees C and 40 degrees C), ultrasound power intensities (0, 20, 40, 60, 80, and 100 %), ultrasound operation modes (normal and sweep), and ultrasound frequencies (25 kHz, 40 kHz, and 132 kHz) to compare their extraction capabilities. After 30 min of extraction, the amount of extract was determined by HPLC. The PEEK material was significantly affected by ultrasonic radiation compared to the SS material, especially at a higher temperature (40 degrees C), power intensity (100 %), and frequency (132 kHz) with sweep mode. At a maximum power density of 45 W/ L, the extraction effectiveness ratio of PEEK to SS was in the range of 1.8 -3.9 depending on the specific fre-quency, initial temperature, and with or without temperature control. The most optimal ultrasound frequencies, in terms of enhancing extraction effectiveness, are in the order of 132 kHz, 40 kHz, and 25 kHz. Unlike the SS material, the PEEK material was more affected by temperature and acoustic effects under identical conditions, especially at 132 kHz ultrasound frequency. In contrast, at lower frequencies of 40 kHz and 25 kHz, no signif-icant differences in the acoustic effects were observed between the PEEK and SS materials. The findings of this study contribute to elucidating the roles of column materials in UAE and UAC. | Jeong, Young Han; Van Kien, Nguyen; Seog, David Jin Han; Ryoo, Jae Jeong | Kyungpook Natl Univ, Dept Chem, Daegu 702701, South Korea; Kyungpook Natl Univ, Dept Chem Educ, Daegu 702701, South Korea; Kyungpook Natl Univ, Sci Educ Res Inst, Daegu 702701, South Korea | 15722265600; 55735049000; 57911409000; 7004847725 | jjryoo@knu.ac.kr; | ULTRASONICS SONOCHEMISTRY | ULTRASON SONOCHEM | 1350-4177 | 1873-2828 | 90 | SCIE | ACOUSTICS;CHEMISTRY, MULTIDISCIPLINARY | 2022 | 8.4 | 1.6 | 0.2 | 2025-06-25 | 3 | 2 | Ultrasound; Frequency; Extraction; Chromatography; Stainless steel (SS) and Polyether ether ketone; (PEEK); Temperature control | TEMPERATURE; CHROMATOGRAPHY; FREQUENCY; OPTIMIZATION; SEPARATION; LYCOPENE; ELUTION; LIQUID; ROOTS; OIL | Chromatography; Extraction; Frequency; Stainless steel (SS) and Polyether ether ketone (PEEK); Temperature control; Ultrasound | Ethers; Ketones; Polyethylene Glycols; Stainless Steel; Ultrasonics; Ethers; Extraction; High performance liquid chromatography; Ketones; Temperature control; Ultrasonics; dye; polyetheretherketone; stainless steel; steel; ether derivative; ketone; macrogol; polyetheretherketone; Acoustic effects; Frequency; High-performance liquid chromatography; Identical conditions; Power intensity; Stainless steel and polyether ether ketone; Steel column; Steel materials; Ultrasound frequency; Ultrasound-assisted extraction; Article; chiral separation; comparative study; controlled study; high performance liquid chromatography; quantitative analysis; temperature sensitivity; ultrasound assisted extraction; water temperature; chemistry; ultrasound; Stainless steel | English | 2022 | 2022-11 | 10.1016/j.ultsonch.2022.106125 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Robot-assisted Nipple-sparing Mastectomy With Immediate Breast Reconstruction An initial Experience of the Korea Robot-endoscopy Minimal Access Breast Surgery Study Group (KoREa-BSG) | Objective: The aim of this study was to present the results of early experience of robot-assisted nipple sparing mastectomy (RANSM). Background: RANSM improves cosmetic outcomes over conventional nipple-sparing mastectomy. However, data on the feasibility and safety of the RANSM are limited. Methods: Patients who underwent RANSM with immediate breast reconstruction as part of the Korea Robot-endoscopy Minimal Access Breast Surgery Study Group (KoREa-BSG) from November 2016 to January 2020 were enrolled. clinicopathologic characteristics, perioperative complications, and operation time were collected. Results: Overall, 73 women underwent 82 RANSM procedures conducted by 11 breast surgeons at 8 institutions. The median patient age was 45.5 years old (20-66 years), and 52 (63.4%) patients were premenopausal. Invasive breast cancer was noted in 55 cases (40 cases were stage i, 11 cases were stage ii, and 4 cases were stage iii, respectively) and ductal carcinoma in-situ was recorded in 20 cases. Of those, 3 patients with BRCA1/2 mutation carriers underwent contralateral risk-reducing RANSM. The median length of hospitalization was 12.0 days (5.0-24.0 days). The incision location was the mid-axillary line and the median incision length was 50.0 mm (30.0-60.0 mm). Median total operation time, median total mastectomy time, and median reconstruction time was 307.0 minutes (163.0-796.0 minutes), 189.5 minutes (97.5-325.0 minutes), and 119.5 minutes (45.0-689.0 minutes). Only 2 cases (2.5%) required reoperation. Nipple ischemia was found in 9 cases (10.9%) but only 1 case (1.2%) required nipple excision given that 8 cases (9.7%) resolved spontaneously. Skin ischemia was observed in 5 cases (6.1%) and only 2 (2.4%) cases needed skin excision whereas 3 cases (3.6%) resolved spontaneously. There was no conversion to open surgery orcases of mortality. The mean time for mastectomy among surgeons who performed more than 10 cases was 182.3 minutes (+/- 53.7, minutes) and 195.4 minutes (+/- 50.4, minutes). Conclusion: This was the first report of RANSM conducted in the KoREa-BSG. RANSM is technically feasible and acceptable with a short learning curve. Further prospective research to evaluate surgical and oncologic outcomes is needed. | Ryu, Jai Min; Kim, Jee Ye; Choi, Hee Jun; Ko, BeomSeok; Kim, Jisun; Cho, Jihyoung; Lee, Moo Hyun; Choi, Jung Eun; Kim, Joo Heung; Lee, Jeea; Jung, Sung Mi; Shin, Hyuk Jai; Lee, Jeeyeon; Park, Hyung Seok | Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Dept Surg,Div Breast Surg, Seoul, South Korea; Yonsei Univ, Coll Med, Dept Surg, Seoul, South Korea; Sungkyunkwan Univ, Sch Med, Samsung Changwon Hosp, Dept Surg, Chang Won, South Korea; Univ Ulsan, Coll Med, Asan Med Ctr, Dept Surg,Div Breast Surg, Ulsan, South Korea; Keimyung Univ, Sch Med, Dept Surg, Div Breast & Thyroid, Daegu, South Korea; Yeungnam Univ, Coll Med, Dept Surg, Daegu, South Korea; Yonsei Univ, Coll Med, Yongin Severance Hosp, Dept Surg, Yongin, Gyeonggi, South Korea; Hanyang Univ, Coll Med, Myongji Hosp, Dept Surg, Goyang, South Korea; Kyungpook Natl Univ, Chilgok Hosp, Dept Surg, Sch Med, Daegu, South Korea | ; Kim, Jung Bong/KEJ-5743-2024; Kim, Hyun/D-5568-2011; Park, Hong-Gyu/C-6000-2008 | 57158270000; 56666476900; 57192653591; 56781006300; 55913243600; 35409073500; 57208629747; 56327120300; 57190684229; 57211367316; 57203896439; 35187876700; 37079213100; 57226054304 | j.lee@knu.ac.kr;hyungseokpark.md@gmail.com; | ANNALS OF SURGERY | ANN SURG | 0003-4932 | 1528-1140 | 275 | 5 | SCIE | SURGERY | 2022 | 10.1 | 1.6 | 7.88 | 2025-06-25 | 44 | 43 | feasibility; immediate breast reconstruction; robot-assisted nipple-sparing mastectomy; safety | CANCER; FEASIBILITY | feasibility; immediate breast reconstruction; robot-assisted nipple-sparing mastectomy; safety | Breast Neoplasms; Endoscopy; Female; Humans; Male; Mammaplasty; Mastectomy; Middle Aged; Nipples; Robotics; BRCA1 protein; BRCA2 protein; adult; aged; Article; breast reconstruction; breast surgery; cancer patient; cancer staging; cancer surgery; clinical feature; ductal breast carcinoma in situ; feasibility study; female; gene mutation; histopathology; hospitalization; human; invasive breast cancer; major clinical study; nipple-sparing mastectomy; operation duration; outcome assessment; patient safety; perioperative period; peroperative complication; premenopause; prospective study; risk factor; robot assisted surgery; surgical technique; breast tumor; endoscopy; male; mastectomy; middle aged; nipple; pathology; procedures; robotics | English | 2022 | 2022-05 | 10.1097/sla.0000000000004492 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | TiO2 treatment using ultrasonication for bubble cavitation generation and efficiency assessment of a dye-sensitized solar cell | In this study, the impacts of different ultrasonic treatments on TiO2 particles were determined and they were used to manufacture the photoelectrodes of a dye-sensitized solar cell (DSSC). Two methods were used to prepare TiO2 particles directly sonicated by an ultrasonic horn, and TiO2 treated indirectly by an ultrasonic cleaner. TEM, XPS analysis was confirmed that cavitation bubbles generated during ultrasonication resulted in defects on the surface of TiO2 particles, and the defect induced surface activation. To understand the effect of TiO2 surface activation on energy conversion efficiency of DSSC, ultrasonic horn DSSC and ultrasonic cleaner DSSC were prepared. The UV-vis analysis exhibited that the ultrasonic horn DSSC possessed higher dye adsorption when compared to the ultrasonic cleaner DSSC, and the EIS analysis confirmed that the electron mobility was greatly increased in the ultrasonic horn DSSC. The energy conversion efficiency of the ultrasonic horn DSSC was measured to be 3.35%, which is about 45% increase in comparison to that of the non-ultrasonic treated DSSC (2.35%). In addition to this regard, recombination resistance of ultrasonic horn DSSC was calculated to be 450 omega.cm(2), increasing more than two times compared to the non-ultrasonic treated DSSC (200 omega.cm(2)). Taken together, these ultrasonic treatments significantly improved the energy conversion efficiency of DSSC, which was not tried in DSSC-related research, and might lead us to develop more efficient practical route in the manufacturing of DSSC. | Bae, Jae-hun; Do, Seong-bin; Cho, Sung-ho; Lee, Kyung-min; Lee, Sung-Eun; Kim, Tae-Oh | Kumoh Natl Inst Technol, Dept Environm Engn, Gumi 39253, South Korea; Kyungpook Natl Univ, Dept Appl Biosci, Daegu 41566, South Korea; Kumoh Natl Inst Technol, Dept Energy Engn Convergence, Gumi 39177, South Korea | Kim, Hyung/J-5451-2012 | 57435539800; 57435267100; 57435132600; 57435404100; 55890041600; 9335312200 | tokim@kumoh.ac.kr; | ULTRASONICS SONOCHEMISTRY | ULTRASON SONOCHEM | 1350-4177 | 1873-2828 | 83 | SCIE | ACOUSTICS;CHEMISTRY, MULTIDISCIPLINARY | 2022 | 8.4 | 1.6 | 2.04 | 2025-06-25 | 22 | 21 | Ultrasonication; TiO2, cavitation bubbles; Surface defects; Dye-sensitized solar cell | CU-DOPED TIO2; GEL METHOD; PERFORMANCE; PHOTOANODE; GRAPHENE; NANOWALL; XPS | Dye-sensitized solar cell; Surface defects; TiO<sub>2</sub>, cavitation bubbles; Ultrasonication | Activation analysis; Activation energy; Cavitation; Dye-sensitized solar cells; Energy conversion efficiency; Industrial research; Surface defects; Ultrasonic equipment; titanium dioxide; Cavitation bubble; Cell-be; Cell/B.E; Cell/BE; Dye- sensitized solar cells; Energy conversion efficiency; TiO2, cavitation bubble; Ultra-sonication; Ultrasonic cleaners; Ultrasonic horn; Article; Brunauer Emmett Teller method; energy conversion; energy dispersive X ray spectroscopy; impedance spectroscopy; infrared spectroscopy; particle size; scanning electron microscopy; surface property; transmission electron microscopy; ultrasound; ultraviolet visible spectrophotometry; X ray diffraction; X ray photoemission spectroscopy; zeta potential; Titanium dioxide | English | 2022 | 2022-02 | 10.1016/j.ultsonch.2022.105933 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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