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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
Article Robust control of a planar snake robot based on interval type-2 Takagi-Sugeno fuzzy control using genetic algorithm This paper presents trajectory tracking control of a snake robot in the presence of system uncertainty such as disturbances and parameter uncertainties. First, we derive a realistic dynamic model of the snake robot in the framework of the bond graph technique. Next, we present an interval type-2 Takagi-Sugeno fuzzy proportional-derivative (IT2FPD) control scheme, whose parameters are tuned using a genetic algorithm (GA) optimization approach. An improved optimization formulation with randomness is employed for robust near -optimal parameters. Under the assumption that forward velocity of the robot is always positive, we apply the proposed IT2FPD controller to the snake robot model so that the robot can have locomotion along the desired trajectory against uncertainties. To validate the performance of the proposed robot model and control scheme, we conduct in-depth numerical experiments using 20-sim software. Experimental results demonstrate that the snake robot embedded with the IT2FPD controller achieves a straight-line locomotion with the serpenoid gait function despite infiltration of external disturbances and parameter changes. Bhandari, Garima; Raj, Ritu; Pathak, Pushparaj Mani; Yang, Jung-Min Indian Inst Technol IIT Roorkee, Dept Mech & Ind Engn, Haridwar Highway, Roorkee 247667, Uttrakhand, India; Indian Inst Informat Technol IIIT, Dept Elect & Commun Engn, Kota MNIT Campus, Jaipur 302017, Rajasthan, India; Kyungpook Natl Univ, Sch Elect Engn, 80 Daehakro, Daegu 41566, South Korea Pathak, Pushparaj/ADQ-2669-2022; Bhandari, Garima/LTD-0760-2024 57214776828; 57189688598; 8386080200; 57208450551 gsoharu@me.iitr.ac.in;riturajsam@gmail.com;pushparaj.pathak@me.iitr.ac.in;jmyang@knu.ac.kr; ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE ENG APPL ARTIF INTEL 0952-1976 1873-6769 116 SCIE AUTOMATION & CONTROL SYSTEMS;COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE;ENGINEERING, ELECTRICAL & ELECTRONIC;ENGINEERING, MULTIDISCIPLINARY 2022 8 5.0 1.7 2025-06-25 21 24 Biologically inspired robots; Interval type-2 (IT2) fuzzy control; Bond graph; Trajectory control; Snake robot; Genetic algorithm (GA); Robustness testing LOCOMOTION; DESIGN; UNCERTAINTY; SYSTEMS Biologically inspired robots; Bond graph; Genetic algorithm (GA); Interval type-2 (IT2) fuzzy control; Robustness testing; Snake robot; Trajectory control Biomimetics; Controllers; Fuzzy control; Graph theory; Parameter estimation; Robots; Robust control; Trajectories; Biologically-inspired robots; Bond graph; Control schemes; Genetic algorithm; Interval type-2 fuzzy control; Interval type-2 fuzzy; Robustness testing; Snake robots; Takagi-sugeno; Trajectory control; Genetic algorithms English 2022 2022-11 10.1016/j.engappai.2022.105437 바로가기 바로가기 바로가기 바로가기
Meeting Abstract Autotomy of Primary Cilia in Ischemia-Reperfusion Injury: An Electron Microscopic Study Ahn, Kyu Youn; Park, Kwon Moo; Han, Ki-Hwan Chonnam Natl Univ, Gwangju, Jeollanam Do, South Korea; Kyungpook Natl Univ, Daegu, South Korea; Ewha Womans Univ, Seoul, South Korea JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY J AM SOC NEPHROL 1046-6673 1533-3450 33 11 SCIE UROLOGY & NEPHROLOGY 2022 13.6 5.1 0 English 2022 2022-11 바로가기 바로가기
Article Boosting the lifespan of magneto-mechano-electric generator via vertical installation for sustainable powering of Internet of Things sensor Sustainability is essential for magneto-mechano-electric (MME) energy harvesters that convert low-frequency magnetic noise into useful electrical energy to be considered a practical power source for implementing real-life Internet of Things (IoT) sensor networks. In this study, we propose a vertically installed MME energy harvester based on a piezoelectric lead magnesium niobate-lead zirconate titanate (Pb(Mr(1/3)Nb(2/3))O-3-Pb(Zr,Ti)O-3, PMN-PZT) single-crystal macro fiber composite cantilever. The MME harvester generates 12.2 mW output power from a low-amplitude stray magnetic field of 2.5 Oe and exhibits a long-term usable lifetime of 2.5 x 10(9) cycles while maintaining over 90 % of its output. An accelerated life test method is employed to predict the usable lifetime of the MME harvester using an inverse power law-Weibull model with accelerating stress of magneto-mechanical vibration-induced strain. In addition, a standalone wireless environmental monitoring system is demonstrated to operate for 10 weeks by exploiting the harvested power from stray magnetic fields (similar to 2.2 Oe) near the power cables of home appliances. This study paves the way for lifetime assessment and prediction of sustainable MME harvesters to increase the practicability of self-powered IoT devices in smart infrastructures. Kwak, Min Sub; Peddigari, Mahesh; Min, Yuho; Choi, Jong-Jin; Kim, Jong-Hyun; Listyawan, Michael Abraham; Ryu, Jungho; Hwang, Geon-Tae; Yoon, Woon-Ha; Jang, Jongmoon Korea Inst Mat Sci KIMS, Dept Funct Ceram, Chang Won 51508, South Korea; Indian Inst Technol Hyderabad, Dept Phys, Kandi 502284, Telangana, India; Kyungpook Natl Univ, Sch Mat Sci & Engn, Daegu 41566, South Korea; Korea Electrotechnol Res Inst KERI, Chang Won 51543, South Korea; Yeungnam Univ, Sch Mat Sci & Engn, Gyongsan 38541, South Korea; Pukyong Natl Univ, Dept Mat Sci & Engn, Busan 43241, South Korea Ryu, Jungho/LXU-4081-2024; Choi, Jong-Jin/D-3396-2009 57203753285; 56316365700; 36782804100; 57199099597; 57214338842; 57285293500; 57201603501; 36704574900; 15833577200; 55851287300 jongmoon@kims.re.kr; NANO ENERGY NANO ENERGY 2211-2855 2211-3282 101 SCIE CHEMISTRY, PHYSICAL;MATERIALS SCIENCE, MULTIDISCIPLINARY;NANOSCIENCE & NANOTECHNOLOGY;PHYSICS, APPLIED 2022 17.6 5.1 1.69 2025-06-25 25 26 Magneto-mechano-electric energy harvester; Single-crystal macro fiber composite; Accelerated life test; Lifetime; Reliability ENERGY; DEVICES Accelerated life test; Lifetime; Magneto-mechano-electric energy harvester; Reliability; Single-crystal macro fiber composite Domestic appliances; Energy harvesting; Inverse problems; Lead titanate; Magnesium compounds; Magnetic fields; Niobium compounds; Piezoelectricity; Sensor networks; Single crystals; Sustainable development; Vibrations (mechanical); Accelerated life tests; Electric energies; Energy Harvester; Lifespans; Lifetime; Lower frequencies; Macro fiber composite; Magneto-mechano-electric energy harvester; Single-crystal macro fiber composite; Stray magnetic fields; Magnetos English 2022 2022-10 10.1016/j.nanoen.2022.107567 바로가기 바로가기 바로가기 바로가기
Meeting Abstract Effect of Pretransplant Dialysis Vintage on Clinical Outcomes in Deceased Donor Kidney Transplant Noh, Hee Won; Jeon, Soojee; Jung, Hee-Yeon; Choi, Ji-Young; Park, Sun-Hee; Kim, Chan-Duck; Kim, Yong-Lim; Lim, Jeong-Hoon; Cho, Jang-Hee Kyungpook Natl Univ Hosp, Daegu, South Korea Kim, Yong-Lim/AGK-3172-2022; Lim, Jeong-Hoon/ABE-6003-2020; Jung, Hee-Yeon/AFB-8578-2022; Park, Sun-Hee/LMN-0033-2024 JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY J AM SOC NEPHROL 1046-6673 1533-3450 33 11 SCIE UROLOGY & NEPHROLOGY 2022 13.6 5.1 0 English 2022 2022-11 바로가기 바로가기
Article Enhanced poling efficiency via a maximized organic-inorganic interfacial effect for water droplet-driven energy harvesting Piezoelectric fluoropolymers that can convert mechanical energy to electricity have attracted intensive attention in sustainable power sources for microelectronics. However, in order to achieve high energy conversion efficiency in fluoropolymers, an electrical poling under a high electric field is an unavoidable high energy consumption process. Herein, we demonstrated the enhanced poling efficiency in nanocomposite made of poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) and porous BaTiO3 nanofibers (BT NFs). The high specific surface area of porous BT NFs maximized the P(VDF-TrFE)-BT interfacial region, which produces rapid reorientation of dipole moments under electric field; this behavior effectively improved the poling efficiency of the piezoelectric nanocomposite. Subsequently, we fabricated an flexible piezoelectric nanocomposite generator (PNCG), which generated an open-circuit voltage of similar to 13.1 V and a short-circuit current of similar to 2.0 mu A with a relatively low electric field of 200 kV cm(-1). Furthermore, the PNCG is realized in a real-world environment and generates sufficient power to charge a commercial capacitor by harvesting mechanical energy from falling water droplets. This work provides a low-energy consumption pathway for developing high-performance piezoelectric devices for practical applications. Kim, Yeon-gyu; Kim, Kyung Tae; Park, Sung Cheol; Heo, Dong Hun; Hyeon, Dong Yeol; Mallem, Siva Pratap Reddy; Park, Kwi-Il Kyungpook Natl Univ, Sch Mat Sci & Engn, Daegu 41566, South Korea; Korea Inst Mat Sci, Powder Mat Div, Chang Won 51508, Gyeongnam, South Korea ; Hyeon, Dong Yeol/HNR-5711-2023; Park, Kwiil/LKN-9445-2024; Kim, Hyeong-U/AAV-2668-2021 57196173366; 56984373000; 57191670545; 57564646300; 57209099464; 55422639100; 35280874200 kipark@knu.ac.kr; NANO ENERGY NANO ENERGY 2211-2855 2211-3282 98 SCIE CHEMISTRY, PHYSICAL;MATERIALS SCIENCE, MULTIDISCIPLINARY;NANOSCIENCE & NANOTECHNOLOGY;PHYSICS, APPLIED 2022 17.6 5.1 1.17 2025-06-25 17 18 Water droplet-driven nanogenerator; Piezoelectric nanocomposite; Organic-inorganic interfacial effect; P(VDF-TrFE); BaTiO3 THIN-FILM NANOGENERATOR; BATIO3 NANOPARTICLES; NANOCOMPOSITE GENERATOR; POLY(VINYLIDENE FLUORIDE); PERFORMANCE BaTiO<sub>3</sub>; Organic-inorganic interfacial effect; P(VDF-TrFE); Piezoelectric nanocomposite; Water droplet-driven nanogenerator Barium titanate; Conversion efficiency; Energy efficiency; Energy utilization; Flexible electronics; Fluorine containing polymers; Microelectronics; Nanocomposites; Open circuit voltage; Piezoelectricity; Interfacial effects; Nanogenerators; Organic-inorganic interfacial effect; Organic/inorganic; Piezoelectric; Piezoelectric nanocomposite; Poly(vinylidene fluoride); Poly(vinylidene fluoride-co-trifluoroethylene); Trifluoroethylene; Water droplet-driven nanogenerator; Water droplets; Nanogenerators English 2022 2022-07 10.1016/j.nanoen.2022.107238 바로가기 바로가기 바로가기 바로가기
Article Flowing water-based tubular triboelectric nanogenerators for sustainable green energy harvesting The green energy present in flowing water is underused owing to lack of environmentally acceptable and sustainable energy harvesting technologies. The triboelectric nanogenerators (TENGs) have received significant attention as a prospective technological advancement due to their simple structure and multiple working modes. Among them, the single electrode mode TENGs with no moving parts could facilitate the development of innovative sustainable energy harvesting technologies. Here, a polytetrafluoroethylene (PTFE)-copper (PC-TENG) tube with single electrode mode is developed for harvesting flowing water energy. Using tap water as a source, the PC-TENG tube, with a length of 40 cm and a diameter of 10 mm achieves a maximum power of 45 mu W at a load resistance (R-L) of 5 M?. The sustainable power generation is demonstrated by powering light emitting diodes (LEDs) and a scientific calculator with tap water flowing at a rate of 2.5 L min(-1). Finally, the practical feasibilities of the proposed PC-TENG are demonstrated as self-powered sensor in two biomedical applications such as continuous wireless monitoring of IV drips injection, cardiac cycle and heart rate using a phantom. This work has great potential for the development of single electrode TENGs for continuous power generation and self-powered sensor applications. Munirathinam, Karthikeyan; Kim, Dong-Su; Shanmugasundaram, Arunkumar; Park, Jongsung; Jeong, Yun-Jin; Lee, Dong-Weon Chonnam Natl Univ, Sch Mech Syst Engn, MEMS & Nanotechnol Lab, Gwangju 61186, South Korea; Chonnam Natl Univ, Adv Med Device Res Ctr Cardiovasc Dis, Gwangju 61186, South Korea; Kyungpook Natl Univ, Dept Precis Mech Engn, Sangju 37224, South Korea; Chonnam Natl Univ, Ctr Next generat Res & Dev, Gwangju 61186, South Korea ; 김, 동수/IAN-1770-2023; SHANMUGASUNDARAM, ARUNKUMAR/ABD-4029-2020; Shanmugasundaram, Dr. Arunkumar/ABD-4029-2020 57219625153; 56569118200; 55750828400; 57189583605; 56261982700; 34875377700 mems@jnu.ac.kr; NANO ENERGY NANO ENERGY 2211-2855 2211-3282 102 SCIE CHEMISTRY, PHYSICAL;MATERIALS SCIENCE, MULTIDISCIPLINARY;NANOSCIENCE & NANOTECHNOLOGY;PHYSICS, APPLIED 2022 17.6 5.1 3.13 2025-06-25 49 49 Flowing water; Sustainable power generation; Single electrode TENG; Green energy harvesting; Self-powered medical device CONTACT-ELECTRIFICATION; ELECTROSTATIC-INDUCTION; CONVERSION EFFICIENCY; CHARGE; POWER; SEPARATION; RAINDROP Flowing water; Green energy harvesting; Self-powered medical device; Single electrode TENG; Sustainable power generation Electrodes; Energy conservation; Medical applications; Triboelectricity; Flowing waters; Green energy; Green energy harvesting; Medical Devices; Nanogenerators; Self-powered; Self-powered medical device; Single electrode triboelectric nanogenerator; Single electrodes; Sustainable power generation; Nanogenerators English 2022 2022-11 10.1016/j.nanoen.2022.107675 바로가기 바로가기 바로가기 바로가기
Article Highly tailorable, ultra-foldable, and resorbable thermoelectric paper for origami-enabled energy generation Recently, owing to the increased focus on environmental initiatives such as the green campaign and green economy, thermoelectric (TE) energy harvesting technology using polymer-based TE materials has attracted significant attention. Among the various polymers used in TE materials, cellulose plays a crucial role in substituting petroleum-based polymers as it is an abundant natural organic biomass resource. Herein, we first developed the origami and kirigami-enabled resorbable TE paper, with a self-assembled inorganic particle network layer below the cellulose polymer bio-matrix layer, through a simple drop-casting process. The prepared p- and n-type TE papers exhibited relatively high-power factor values of 3.11 and 1.16 mu W.m(-1).K-2, respectively, at 298 K. Furthermore, the fabricated flexible TE energy harvester (f-TEH) achieved an output performance of 38.55 mV, 12.14 mu A, and 95.17 nW for a temperature difference of 24 K without the degradation of electrical and mechanical stability. Finally, we demonstrated the high applicability of TE papers in TEHs of complicated shapes by cutting or folding the materials and analyzing their TE performance. We believe that the results of this study not only present a breakthrough in designing tailorable and foldable TEHs for energy harvesting applications but also have significant implications in the field of green technology. Kim, Seoha; Na, Yujin; Nam, Chaeyoung; Jeong, Chang Kyu; Kim, Kyung Tae; Park, Kwi-Il Kyungpook Natl Univ, Sch Mat Sci & Engn, 80 Daehak Ro, Daegu 41566, South Korea; Jeonbuk Natl Univ, Div Adv Mat Engn, Jeonju 54896, Jeonbuk, South Korea; Korea Inst Mat Sci KIMS, Funct Ceram Grp, Chang Won 51508, Gyeongnam, South Korea Nam, Pham Cam/KWT-5936-2024; Park, Kwiil/LKN-9445-2024; Jeong, Chang Kyu/ADT-8127-2022; Na, Yujin/LFT-4103-2024; Kim, So-Young/JFS-7698-2023 57212495287; 57566141800; 57215533862; 55961876600; 56984373000; 35280874200 ktkim@kims.re.kr;kipark@knu.ac.kr; NANO ENERGY NANO ENERGY 2211-2855 2211-3282 103 SCIE CHEMISTRY, PHYSICAL;MATERIALS SCIENCE, MULTIDISCIPLINARY;NANOSCIENCE & NANOTECHNOLOGY;PHYSICS, APPLIED 2022 17.6 5.1 1.17 2025-06-25 18 18 Thermoelectric paper; Kirigami; Origami; Resorbable; Flexible electronics HIGH SEEBECK COEFFICIENT; PERFORMANCE; NANOCELLULOSE; CELLULOSE; AEROGELS; FILMS; PBTE Flexible electronics; Kirigami; Origami; Resorbable; Thermoelectric paper Cellulose; Energy Production; Harvesting; Materials; Paper; Performance; Polymers; Technology; Cellulose; Energy harvesting; Environmental technology; Mechanical stability; Network layers; Paper; Energy generations; Environmental initiatives; Kirigami; Origami; Resorbable; Thermo-Electric materials; Thermoelectric; Thermoelectric energy; Thermoelectric material; Thermoelectric paper; Flexible electronics English 2022 2022-12-01 10.1016/j.nanoen.2022.107824 바로가기 바로가기 바로가기 바로가기
Article ICA With CWT and k-means for Eve-Blink Artifact Removal From Fewer Channel EEG In recent years, there has been an increase in the usage of consumer based EEG devices with fewer channel configuration. Although independent component analysis has been a popular approach for eye-blink artifact removal from multichannel EEG signals, several studies showed that there is a leak of neural information into the eye-blink artifact associated independent components (ICs). Furthermore, the leak increases as the number of input EEG channels decreases and leads to loss of valuable EEG information. To overcome this problem, we developed a new framework that combines ICA with continuous wavelet transform (CWT), k-means and singular spectrum analysis (SSA) methods. In contrast to the existing approaches, the artifact region in the identified eye-blink artifact IC is detected and suppressed rather than setting it to zero as in classical ICA. As most of the energy in the eye-blink artifact IC is concentrated in the artifact region, CWT and k-means algorithms exploits this feature to detect the eye-blink artifact region. Support vector machine (SVM) based classifier is finally designed for automatic detection of the eye blink artifact ICs. The performance of proposed method is evaluated on synthetic and two real EEG datasets for various EEG channels setting. Results highlight that for fewer channel EEG signals, the proposed method provides accurate separation without any neural information loss as compared to the existing methods. Maddirala, Ajay Kumar; Veluvolu, Kalyana C. Kyungpook Natl Univ, Sch Elect Engn, Daegu 41566, South Korea ; Veluvolu, Kalyana/C-6366-2011; Veluvolu, Kalyana Chakravarthy/C-6366-2011; Maddirala, Ajay Kumar/AAZ-6379-2020 56638638000; 8703318200 veluvolu@ee.knu.ac.kr; IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING IEEE T NEUR SYS REH 1534-4320 1558-0210 30 SCIE ENGINEERING, BIOMEDICAL;REHABILITATION 2022 4.9 5.1 4.33 2025-06-25 20 36 Electroencephalogram (EEG); eye-blink artifact; independent component analysis (ICA); continuous wavelet transform (CWT); k-means clustering; singular spectrum analysis (SSA); support vector machine (SVM) OCULAR ARTIFACTS; WAVELET; CLASSIFICATION; SIGNALS; TIME Continuous wavelet transform (CWT); Electroencephalogram (EEG); Eye-blink artifact; Independent component analysis (ICA); K−means clustering; Singular spectrum analysis (SSA); Support vector machine (SVM) Algorithms; Artifacts; Blinking; Electroencephalography; Humans; Signal Processing, Computer-Assisted; Wavelet Analysis; Biomedical signal processing; Electroencephalography; Electrophysiology; Independent component analysis; Integrated circuits; Spectrum analysis; Wavelet transforms; Continuous wavelet transform; Electroencephalogram; Eye-blink artifacts; Eyes-blink artifacts; Independent component analyse; Independent components analysis; K-means++ clustering; Singular spectrum analyse and support vector machine; Singular spectrum analysis; Support vectors machine; Wavelet-analysis; algorithm; Article; artifact; cluster analysis; continuous wavelet transform; electroencephalogram; entropy; human; imagery; independent component analysis; k means clustering; learning algorithm; machine learning; spectroscopy; support vector machine; wavelet analysis; blinking; electroencephalography; procedures; signal processing; wavelet analysis; Support vector machines English 2022 2022 10.1109/tnsre.2022.3176575 바로가기 바로가기 바로가기 바로가기
Article Improved coverage of plant metabolites using powder laser desorption/ionization coupled with Fourier-transform ion cyclotron mass spectrometry In this study, the effectiveness of powder laser desorption/ionization (LDI) coupled with Fourier-transform ion cyclotron mass spectrometry (FT-ICR MS) was evaluated for the improved coverage of plant metabolites. Ground plant (powder) was fixed on a metal plate using double-sided tape. Compared with the conventional approach involving liquid extraction, which is followed by electrospray ionization MS analysis, a smaller amount of sample (similar to 200 mu g) was required in the proposed method. Additionally, the laborious steps of liquid extraction, concentration, and solid-phase extraction were avoided. Employing the proposed method in Centella asiatica leaves analysis, higher number of reproducible molecular formulas (>5000) and metabolites (>650) were obtained than the conventional methods. Flavonoids, phenolic acids, xanthones, lipids, carbohydrates, terpenoids, and alkaloids compounds were detected from leaves, stems, and roots of C. asiatica. This study indicates that LDI FTICR MS is a quick and effective tool for enhanced plant metabolite profiling in the solid phase. Islam, Syful; Alam, Rafiqul; Kim, Sunghwan Kyungpook Natl Univ, Dept Chem, 80 Daehak Ro, Daegu 41566, South Korea; Munshiganj Dist Off, Dept Environm, Munshiganj 1500, Bangladesh; Mass Spectrometry Convergence Res Ctr, Green Nano Mat Res Ctr, Daegu 41566, South Korea Kim, Sunghwan/HKN-9812-2023; Islam, Syful/AAZ-5084-2021 57213340400; 57219723992; 57203772967 sunghwank@knu.ac.kr; FOOD CHEMISTRY FOOD CHEM 0308-8146 1873-7072 373 SCIE CHEMISTRY, APPLIED;FOOD SCIENCE & TECHNOLOGY;NUTRITION & DIETETICS 2022 8.8 5.1 0.47 2025-06-25 7 6 Centella asiatica; Laser desorption/ionization; Tandem mass spectrometry (MS/MS); Solid-phase; Metabolite profiling CENTELLA-ASIATICA; IONIZATION; LEVEL; ANTIOXIDANT; SPECTRA; ACID Centella asiatica; Laser desorption/ionization; Metabolite profiling; Solid-phase; Tandem mass spectrometry (MS/MS) Cyclotrons; Fourier Analysis; Lasers; Mass Spectrometry; Powders; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Biomolecules; Cyclotrons; Electrospray ionization; Extraction; Lipids; Mass spectrometry; Metabolites; Phase separation; Plants (botany); Plate metal; Powder metals; carbohydrate; flavonoid; hydroxybenzoic acid derivative; lipid; terpenoid; xanthone derivative; Centella asiatica; Desorption ionization; Laser desorption; Laser desorption/ionization; Metabolite profiling; Solid phasis; Solid-phase; Tandem mass spectrometry; Tandem mass spectrometry (MS/MS); Tandem-mass spectrometry; Article; Centella asiatica; controlled study; desorption; electrospray mass spectrometry; Fourier transform; ion cyclotron resonance mass spectrometry; laser desorption ionization mass spectrometry; metabolic fingerprinting; nonhuman; plant leaf; plant stem; powder; solid phase extraction; tandem mass spectrometry; cyclotron; Fourier analysis; laser; mass spectrometry; matrix-assisted laser desorption-ionization mass spectrometry; Desorption English 2022 2022-03-30 10.1016/j.foodchem.2021.131541 바로가기 바로가기 바로가기 바로가기
Article Multidimensional wearable self-powered personal thermal management with scalable solar heating and a triboelectric nanogenerator Global climate change is increasing the frequency of cold events, which can threaten health and enhance the demand for energy, inhibiting the society to prosper in a sustainable way. Having sun as the heat and body radiation as warmth preservation source, the need to save energy is mitigated through personal thermal man-agement (PTM). Herein, we report a self-powered woven Kevlar fiber (WKF)-based flexible PTM device with a porous Ag@MoxFe1-xSe nanostructure (NS) between a substrate of WKF and Ti3C2 MXene film dispersed in polydimethylsiloxane (PDMS). Effective thermotherapeutic ability is demonstrated by the composite (80 degrees C at 3 V through Joule heating). The porous NS between the WKF and MXene/PDMS layers selectively reflected mid-infrared radiation (97.4%) and absorbed UV-vis-NIR (87.1%). The PTM increased the silicone heater temper-ature by 10 degrees C in an indoor setting; in direct sunlight, it raised the heater temperature by 20 degrees C demonstrating its passive and solar heating-mode. The fabricated device harvests energy from human body movements and simulated raindrops, exhibiting high self-powered heating efficiency and has a maximum power density of 1.5 mW cm(-2) at low frequency (5 Hz). The WKF/Ag@MoxFe1-xSe/MXene/PDMS displayed high tensile strength, excellent breathability and durability. This work demonstrates the advantages of this multifunctional energy-reducing device addressing the world energy crisis, which is effective both indoors and outdoors in cold cli-mates, and in sunny and rainy weather. Hazarika, Ankita; Deka, Biplab K.; Kim, Dong Chan; Jaiswal, Anand P.; Seo, Jaewoo; Park, Young-Bin; Kim, Jisoo; Park, Hyung Wook Ulsan Natl Inst Sci & Technol, Dept Mech Engn, 50 UNIST Gil, Ulsan 44919, South Korea; Kyungpook Natl Univ, Dept Precis Mech Engn, 2559 Gyeongsang Daero, Sangju 37224, Geongsangbuk, South Korea; Gyeongsang Natl Univ, Dept Mech Convergence Engn, 8 Naedong Ro 139beon Gil, Jinju 52849, Gyeongsangnam, South Korea Hazarika, Ankita/U-6087-2017; Park, Hyung Wook/E-9102-2010; Jaiswal, Anand/HZK-6635-2023; KIM, JI/U-1902-2018; Deka, Biplab/U-6018-2017; Park, Young-Bin/F-4762-2010 55503332200; 36463323300; 57219087098; 57206462582; 56424698400; 8383966300; 57192647685; 55537550000 js.kim@knu.ac.kr;hwpark@unist.ac.kr; NANO ENERGY NANO ENERGY 2211-2855 2211-3282 98 SCIE CHEMISTRY, PHYSICAL;MATERIALS SCIENCE, MULTIDISCIPLINARY;NANOSCIENCE & NANOTECHNOLOGY;PHYSICS, APPLIED 2022 17.6 5.1 2.02 2025-06-25 31 32 Thermoregulatory device; Solar heating; Triboelectric nanogenerator; Nanostructures; MXene PERFORMANCE; EFFICIENCY MXene; Nanostructures; Solar heating; Thermoregulatory device; Triboelectric nanogenerator Climate change; Energy policy; Microchannels; Nanogenerators; Nanostructures; Silicones; Silver; Silver compounds; Tensile strength; Wearable technology; Energy; Heater temperatures; Kevlar fibers; Mxene; Nanogenerators; Self-powered; Thermal; Thermoregulatory; Thermoregulatory device; Triboelectric nanogenerator; Polydimethylsiloxane English 2022 2022-07 10.1016/j.nanoen.2022.107323 바로가기 바로가기 바로가기 바로가기
Article Optimization of the extraction conditions of Nypa fruticans Wurmb. using response surface methodology and artificial neural network In this study, we conducted response surface methodology (RSM) and artificial neural network (ANN) to predict and estimate the optimized extraction condition of Nypa fruticans Wurmb. (NF). The effect of ethanol concentration (X-1; 0-100%), extraction time (X-2; 6-24 h), and extraction temperature (X-3; 40-60 degrees C) on the antioxidant potential was confirmed. The optimal conditions (57.6% ethanol, 19.0 h extraction time, and 51.3 degrees C extraction temperature) of 2,2-diphenyl-1-1picrylhydrazyl (DPPH) scavenging activity, cupric reducing antioxidant capacity (CUPRAC) and ferric reducing antioxidant power (FRAP), total phenolic content (TPC), and total flavonoid contents (TFC) resulted in a maximum value of 62.5%, 41.95 and 48.39 mu M, 143.6 mg GAE/g, and 166.8 CAE/g, respectively. High-resolution mass spectroscopic technique was performed to profile phenolic and flavonoid compounds. Upon analyzing, total 48 compounds were identified in NF. Altogether, our findings can provide a practical approach for utilizing NF in various bioindustries. Choi, Hee-Jeong; Naznin, Marufa; Alam, Md Badrul; Javed, Ahsan; Alshammari, Fanar Hamad; Kim, Sunghwan; Lee, Sang-Han Kyungpook Natl Univ, Grad Sch, Dept Food Sci & Biotechnol, Daegu 41566, South Korea; Kyungpook Natl Univ, Dept Chem, Daegu 41566, South Korea; Kyungpook Natl Univ, Inner Beauty Antiaging Ctr, Food & Bioind Res Inst, Daegu 41566, South Korea; Kyungpook Natl Univ, Mass Spect Converging Res Ctr, Green Nano Mat Res Ctr, Daegu 41566, South Korea Javed, Ahsan/ABK-2648-2022; Alam, Md Badrul/AAK-7176-2021; Kim, Sunghwan/HKN-9812-2023; Lee, Seung Eun/ABG-1607-2021 57201125608; 57195955389; 56706777100; 57204433098; 57191860948; 57203772967; 57221453703 sunghwank@knu.ac.kr;sang@knu.ac.kr; FOOD CHEMISTRY FOOD CHEM 0308-8146 1873-7072 381 SCIE CHEMISTRY, APPLIED;FOOD SCIENCE & TECHNOLOGY;NUTRITION & DIETETICS 2022 8.8 5.1 3.14 2025-06-25 35 40 Nypa fruticans Wurmb; Optimization; Antioxidant; Electrospray ionization mass PERFORMANCE LIQUID-CHROMATOGRAPHY; MICROWAVE-ASSISTED EXTRACTION; FLAVONOIDS; RSM; SWITCHGRASS; LEAVES; WASTE Antioxidant; Electrospray ionization mass spectrometry; Nypa fruticans Wurmb; Optimization Antioxidants; Flavonoids; Neural Networks, Computer; Phenols; Plant Extracts; Antioxidants; Electrospray ionization; Ethanol; Extraction; Mass spectrometry; Surface properties; alcohol; antioxidant; flavonoid; Nypa fruticans extract; phenol derivative; plant extract; unclassified drug; antioxidant; flavonoid; Electrospray ionization mass spectrometry; Ethanol concentrations; Extraction conditions; Extraction temperatures; Extraction time; Nypa frutican wurmb; Nypa fruticans; Optimisations; Predict and estimate; Response-surface methodology; analytical error; antioxidant activity; antioxidant assay; Arecaceae; Article; artificial neural network; chemical composition; concentration (parameter); cuprac assay; DPPH radical scavenging assay; electrospray mass spectrometry; extraction; extraction temperature; extraction time; ferric reducing antioxidant power assay; independent variable; mass spectrometry; Nypa fruticans; principal component analysis; process optimization; response surface method; chemistry; Neural networks English 2022 2022-07-01 10.1016/j.foodchem.2022.132086 바로가기 바로가기 바로가기 바로가기
Meeting Abstract ORCHESTRA Trial: Head-to-Head Comparison of Oral Calcimimetics Evocalcet and Cinacalcet in East Asian Hemodialysis Patients With Secondary Hyperparathyroidism Liang, Xinling; Ni, Zhaohui; Wu, Chia-Chao; Jin, Kyubok; Kim, Yong-Lim; Lu, Kuo-Cheng; Chan, Tak Mao D.; Fukagawa, Masafumi; Kinoshita, Jun; Nagai, Chisato; Kojima, Masahiro; Yu, Xueqing Guangdong Prov Peoples Hosp, Guangzhou, Peoples R China; Shanghai Jiao Tong Univ, Sch Med, Affiliated Renji Hosp, Shanghai, Peoples R China; Triserv Gen Hosp, Taipei, Taiwan; Keimyung Univ, Sch Med, Daegu, South Korea; Kyungpook Natl Univ Hosp, Daegu, South Korea; Taipei Tzu Chi Hosp, Taipei, Taiwan; Univ Hong Kong, Hong Kong, Peoples R China; Tokai Univ, Sch Med, Isehara, Kanagawa, Japan; Kyowa Kirin Co Ltd, Chiyoda Ku, Tokyo, Japan Wu, Changzhi/D-6413-2017; Kim, Yong-Lim/AGK-3172-2022; Chan, T. M./ACH-0576-2022 JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY J AM SOC NEPHROL 1046-6673 1533-3450 33 11 SCIE UROLOGY & NEPHROLOGY 2022 13.6 5.1 0 English 2022 2022-11 바로가기 바로가기
Meeting Abstract Prediction Model for 6-Month Mortality in Incident Older Hemodialysis Patients: Data From the Korean Society of Geriatric Nephrology Park, Woo Yeong; Cho, Jang-Hee; Yu, Byung Chul; Han, Miyeun; Song, Sang Heon; Ko, Gang-Jee; Yang, Jae Won; Chung, Sungjin; Hong, Yu Ah; Hyun, Young Youl; Bae, Eunjin; Sun, In O.; Kim, Hyunsuk; Hwang, Won Min; Shin, Sung Joon; Kwon, Soon Hyo; Yoo, Kyung Don Keimyung Univ, Sch Med, Daegu, South Korea; Kyungpook Natl Univ, Sch Med, Daegu, South Korea; Soonchunhyang Univ Hosp Bucheon, Bucheon, Gyeonggi Do, South Korea; Natl Med Ctr, Seoul, South Korea; Pusan Natl Univ, Sch Med, Busan, South Korea; Korea Univ, Coll Med, Seoul, South Korea; Korea Univ, Sch Med, Seoul, South Korea; Yonsei Univ, Wonju Coll Med, Wonju, Gyeonggi Do, South Korea; Catholic Univ Korea, Seoul, South Korea; Catholic Univ Korea, Daejeon, South Korea; Sungkyunkwan Univ, Sch Med, Seoul, South Korea; Gyeongsang Natl Univ, Grad Sch Med, Chang Won, Gyeongsangnam D, South Korea; Presbyterian Med Ctr, Jeonju, Jeollabuk Do, South Korea; Hallym Univ, Coll Med, Chunchon, Gangwon, South Korea; Konyang Univ Hosp, Daejeon, South Korea; Dongguk Univ, Sch Med, Goyang, Gyeonggi Do, South Korea; Soonchunhyang Univ Hosp, Seoul, South Korea; Univ Ulsan, Coll Med, Ulsan, South Korea Hong, Yu/AAB-7055-2020; Kim, Honghyok/LDF-5356-2024; Park, Woo Yeong/AGK-9140-2022; Yoo, Kyung/AAK-8096-2020 JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY J AM SOC NEPHROL 1046-6673 1533-3450 33 11 SCIE UROLOGY & NEPHROLOGY 2022 13.6 5.1 0 English 2022 2022-11 바로가기 바로가기
Review Recent advancements in carrier-selective contacts for high-efficiency crystalline silicon solar cells: Industrially evolving approach Carrier-selective crystalline silicon heterojunction (SHJ) solar cells have already reached superior lab-scale ef-ficiencies. Besides judicious wafer thickness design, the optimal choice of passivation schemes and carrier-selective materials is essential for industry adoption. Appropriate reduction of process complexity and perfor-mance benefits through minimal recombination losses are key. Thus, along with well-designed back contacts, the development of low-temperature processable transparent passivating stacks that act as carrier-selective contacts (CSCs) is highlighted for their potential in circumventing the limited open-circuit photovoltage and contact-related losses in mainstream solar cells. In this review, effective passivation schemes deploying materials ranging from undoped metal oxides (MOs) to doped silicon are evaluated, with a focus on their significance for industrially viable passivating contact development. Passivation stack architectures with SiOx/heavily doped polycrystalline silicon (n(+)-/p(+)-poly-Si) realize the most attractive polysilicon-on-oxide (POLO) junctions and related schemes, e.g., combined with tunnel oxide passivated contact (TOPCon) and interdigitated back contact (IBC) solar cells. It is envisioned that the industrial trend is to eventually shift from the p-Si passivating emitter rear contact (PERC) and passivated emitter and rear polysilicon (PERPoly), towards TOPCon architectures, due to high manufacturing yields and compatibility with large-area metal screen printing and alternative bifacial designs. Chee, K. -W. A.; Ghosh, B. K.; Saad, I.; Hong, Y.; Xia, Q. H.; Gao, P.; Ye, J.; Ding, Z. J. Kyungpook Natl Univ, BK21 Plus, Daegu 41566, South Korea; Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China; Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China; Univ Malaysia Sabah, Fac Engn, Energy Res Unit, Kota Kinabalu 88400, Sabah, Malaysia; Univ Malaysia Sabah, Fac Engn, Elect & Elect Engn program, Kota Kinabalu 88400, Sabah, Malaysia; Xiamen Univ, Coll Chem & Chem Engn, Dept Chem & Biochem Engn, Xiamen 361005, Peoples R China; Zhejiang Univ, Coll Informat Sci & Elect Engn, Hangzhou 310027, Peoples R China; Sun Yat Sen Univ, Sch Mat, Guangzhou 510275, Peoples R China; Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China Ghosh, Bablu k/I-4979-2016; Ghosh, Bablu/I-4979-2016; Saad, Ismail/GVR-8748-2022 59969720900; 7202485668; 22635305600; 36660827600; 57428873000; 17134571000; 55980114500; 7401550638 kwac2@cantab.net; NANO ENERGY NANO ENERGY 2211-2855 2211-3282 95 SCIE CHEMISTRY, PHYSICAL;MATERIALS SCIENCE, MULTIDISCIPLINARY;NANOSCIENCE & NANOTECHNOLOGY;PHYSICS, APPLIED 2022 17.6 5.1 0.78 2025-06-25 30 31 Contact resistivity; Surface passivation; Carrier selectivity; Charge transport; Thermal stability; Industrial firing TRANSPARENT CONDUCTING OXIDES; MOLYBDENUM OXIDE; P-TYPE; DOPANT-FREE; PASSIVATING CONTACTS; SURFACE PASSIVATION; WORK-FUNCTION; CONVERSION EFFICIENCY; AMORPHOUS-SILICON; THIN SILICON Carrier selectivity; Charge transport; Contact resistivity; Industrial firing; Surface passivation; Thermal stability Efficiency; Heterojunctions; Polycrystalline materials; Polysilicon; Screen printing; Silicon compounds; Silicon solar cells; Silicon wafers; Temperature; Carrier selectivity; Contact resistivities; Crystalline silicon heterojunction solar cells; Crystalline silicon solar cells; Higher efficiency; Industrial firing; Selective contacts; Surface passivation; Tunnel oxides; Wafer thickness; Passivation English 2022 2022-05 10.1016/j.nanoen.2021.106899 바로가기 바로가기 바로가기 바로가기
Meeting Abstract Relationships Between BSA-Adjusted Total Kidney Volume and Estimated Glomerular Filtration Rate in Pediatric CKD: Data From the KNOW-Ped CKD Study Kim, Ji Hyun; Ahn, Yo Han; Yang, Eun Mi; Kang, Hee Gyung; Cho, Min Hyun; Han, Kyoung Hee Seoul Natl Univ, Bundang Hosp, Seongnam, South Korea; Seoul Natl Univ Hosp, Seoul, South Korea; Chonnam Natl Univ, Med Sch, Gwangju, South Korea; Kyungpook Natl Univ Hosp, Daegu, South Korea; Jeju Natl Univ Hosp, Jeju, South Korea JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY J AM SOC NEPHROL 1046-6673 1533-3450 33 11 SCIE UROLOGY & NEPHROLOGY 2022 13.6 5.1 0 English 2022 2022-11 바로가기 바로가기
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