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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 | Protective Effect of Alpinia oxyphylla Fruit against tert-Butyl Hydroperoxide-Induced Toxicity in HepG2 Cells via Nrf2 Activation and Free Radical Scavenging and Its Active Molecules | Alpinia oxyphylla Miq. (Zingiberaceae) extract exerts protective activity against tert-butyl hydroperoxide-induced toxicity in HepG2 cells, and the antioxidant response element (ARE) luciferase activity increased 6-fold at 30 mu g/mL in HepG2 cells transiently transfected with ARE-luciferase. To identify active molecules, activity-guided isolation of the crude extract led to four sesquiterpenes (1, 2, 5, 6) and two diarylheptanoids (3 and 4) from an n-hexane extract and six sesquiterpenes (7-12) from an ethyl acetate extract. Chemical structures were elucidated by one-dimensional, two-dimensional nuclear magnetic resonance (1D-, 2D-NMR), and mass (MS) spectral data. Among the isolated compounds, eudesma-3,11-dien-2-one (2) promoted the nuclear accumulation of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) and increased the promoter property of the ARE. Diarylheptanoids, yakuchinone A (3), and 5 '-hydroxyl-yakuchinone A (4) showed radical scavenging activity in 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 3-ethylbenzothiazoline-6-sulphonic acid (ABTS) assays. Furthermore, optimization of extraction solvents (ratios of water and ethanol) was performed by comparison of contents of active compounds, ARE-inducing activity, radical scavenging activity, and HepG2 cell protective activity. As a result, 75% ethanol was the best solvent for the extraction of A. oxyphylla fruit. This study demonstrated that A. oxyphylla exerted antioxidant effects via the Nrf2/HO-1 (heme oxygenase-1) pathway and radical scavenging along with active markers eudesma-3,11-dien-2-one (2) and yakuchinone A (3). | Park, Chae Lee; Kim, Ji Hoon; Jeon, Je-Seung; Lee, Ju-hee; Zhang, Kaixuan; Guo, Shuo; Lee, Do-hyun; Gao, Eun Mei; Son, Rak Ho; Kim, Young-Mi; Park, Gyu Hwan; Kim, Chul Young | Hanyang Univ, Coll Pharm, Ansan 15588, South Korea; Hanyang Univ, Inst Pharmaceut Sci & Technol, Ansan 15588, South Korea; Huons Co Ltd, R&D Ctr, Ansan 15588, South Korea; Kyungpook Natl Univ, Coll Pharm, Daegu 41566, South Korea | 56972825100; 57201935811; 37052249700; 57417835700; 57418215700; 57739107700; 57739654700; 57217863243; 56646145900; 59842798900; 9939639300; 57190312989 | cherry890709@huons.com;gg890718@gmail.com;jsjeoncy@gmail.com;0702leeeun@naver.com;kaixuanzhanggg@163.com;guoshou8080@hanyang.ac.kr;do247@naver.com;ennmei203@163.com;sonnaco@huons.com;ymikim12@hanyang.ac.kr;park014@knu.ac.kr;chulykim@hanyang.ac.kr; | ANTIOXIDANTS | ANTIOXIDANTS-BASEL | 2076-3921 | 11 | 5 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;CHEMISTRY, MEDICINAL;FOOD SCIENCE & TECHNOLOGY | 2022 | 7 | 8.8 | 1.05 | 2025-06-25 | 11 | 11 | Alpinia oxyphylla; antioxidant activity; eudesma-3; 11-dien-2-one; yakuchinone A | DAMAGE IN-VITRO; OXIDATIVE DAMAGE; ETHANOL EXTRACT; ANTIOXIDANT; DIARYLHEPTANOIDS; SESQUITERPENES; ENZYMES | Alpinia oxyphylla; antioxidant activity; eudesma-3,11-dien-2-one; yakuchinone A | English | 2022 | 2022-05 | 10.3390/antiox11051032 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Protective Effect of GIP against Monosodium Glutamate-Induced Ferroptosis in Mouse Hippocampal HT-22 Cells through the MAPK Signaling Pathway | The effect of glucose-dependent insulinotropic polypeptide (GIP) on cells under oxidative stress induced by glutamate, a neurotransmitter, and the underlying molecular mechanisms were assessed in the present study. We found that in the pre-treatment of HT-22 cells with glutamate in a dose-dependent manner, intracellular ROS were excessively generated, and additional cell damage occurred in the form of lipid peroxidation. The neurotoxicity caused by excessive glutamate was found to be ferroptosis and not apoptosis. Other factors (GPx-4, Nrf2, Nox1 and Hspb1) involved in ferroptosis were also identified. In other words, it was confirmed that GIP increased the activity of sub-signalling molecules in the process of suppressing ferroptosis as an antioxidant and maintained a stable cell cycle even under glutamate-induced neurotoxicity. At the same time, in HT-22 cells exposed to ferroptosis as a result of excessive glutamate accumulation, GIP sustained cell viability by activating the mitogen-activated protein kinase (MAPK) signalling pathway. These results suggest that the overexpression of the GIP gene increases cell viability by regulating mechanisms related to cytotoxicity and reactive oxygen species production in hippocampal neuronal cell lines. | Ko, Jiwon; Jang, Soyoung; Kwon, Wookbong; Kim, Si-Yong; Jang, Soyeon; Kim, Eungyung; Ji, Young-Rae; Park, Sijun; Kim, Myoung-Ok; Choi, Seong-Kyoon; Cho, Dong-Hyung; Lee, Hyun-Shik; Lim, Su-Geun; Ryoo, Zae-Young | Kyungpook Natl Univ, Sch Life Sci, BK21 FOUR KNU Creat BioRes Grp, Daegu 41566, South Korea; DGIST, Core Prot Resources Ctr, Daegu 42988, South Korea; DGIST, Div Biotechnol, Daegu 42988, South Korea; Kyungpook Natl Univ, Dept Anim Sci & Biotechnol, Sangju Si 37224, South Korea; NIH, Sect Sensory Cell Regenerat & Dev, Lab Mol Biol, Bldg 10, Bethesda, MD 20892 USA; Kyungpook Natl Univ, Sch Life Sci, Daegu 42988, South Korea; Kyungpook Natl Univ, Brain Sci & Engn Inst, Daegu 42988, South Korea | ; RYOO, ZAEYOUNG/AAQ-1573-2020; Ji, Youngrae/AAK-9724-2021; Choi, Hye Rin/JDV-9065-2023 | 57226659428; 57139360300; 57139843600; 57212197751; 57226661947; 57217871658; 36672985800; 54682212300; 8934745900; 55505432500; 35093684400; 16316010200; 56044587400; 16937104900 | youngrae.ji@nih.gov;sugeun624@knu.ac.kr;jaewoong64@knu.ac.kr; | ANTIOXIDANTS | ANTIOXIDANTS-BASEL | 2076-3921 | 11 | 2 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;CHEMISTRY, MEDICINAL;FOOD SCIENCE & TECHNOLOGY | 2022 | 7 | 8.8 | 1.9 | 2025-06-25 | 19 | 20 | monosodium glutamate; neurotoxicity; ferroptosis; oxidative stress; cellular oxidative homeostasis; mouse hippocampal HT-22 cells; glucose-dependent insulinotropic polypeptide; mitogen-activated protein kinase | DEPENDENT INSULINOTROPIC POLYPEPTIDE; OXIDATIVE STRESS; SYNAPTIC PLASTICITY; RECEPTOR KNOCKOUT; APOPTOSIS; DEATH; INHIBITION; PEPTIDE; BRAIN; MICE | Cellular oxidative homeostasis; Ferroptosis; Glucose‐dependent insulinotropic polypeptide; Mitogen‐activated protein kinase; Monosodium glutamate; Mouse hippocampal HT‐22 cells; Neurotoxicity; Oxidative stress | English | 2022 | 2022-02 | 10.3390/antiox11020189 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | Review | Recent advances in non-precious group metal-based catalysts for water electrolysis and beyond | As the demand for green hydrogen (H2) rapidly increases, the development of water electrolysis technology has been receiving great attention. Indeed, recent remarkable advances in catalyst materials increased the feasibility of water electrolysis for a future H2economy and technology. In this review, we summarize representative non-precious group metal-based materials for achieving active and stable water electrolysis performances. Our comprehensive range of the state-of-the-art catalysts includes doped carbon catalysts, metal borides, metal carbides, metal oxides, metal phosphides, metal sulfides, and single-atom catalysts. For each class of materials, we focus on the synthesis and catalytic performances of the state-of-the-art materials toward water electrolysis and present the current challenges and outlooks of such materials, along with prospective insights to develop and realize practical systems. © The Royal Society of Chemistry 2021. | Kim, Hee Jin; Kim, Ho Young; Joo, Jinwhan; Joo, Sang Hoon; Lim, June Sung; Lee, Jinwoo; Huang, Huawei; Shao, Minhua; Hu, Jue; Kim, Jin Young; Min, Byeong Jo; Lee, Seung Woo; Kang, Minsoo; Lee, Kwangyeol; Choi, Songa; Park, Yeji; Wang, Yao; Li, Junjun; Zhang, Zhicheng; Ma, Jianmin; Choi, Sang-Il | Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, South Korea; Center for Hydrogen and Fuel Cell Research, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea; Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, South Korea; Department of Chemistry, Ulsan National Institute of Science & Technology (UNIST), Ulsan, 44919, South Korea; School of Energy and Chemical Engineering, Ulsan National Institute of Science & Technology (UNIST), Ulsan, 44919, South Korea; Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea; Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea; Department of Chemical and Biological Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong; Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, China; Center for Hydrogen and Fuel Cell Research, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea, Division of Energy-Environment Engineering, KIST School, Korea University of Science and Technology (UST), Daejeon, South Korea; Center for Hydrogen and Fuel Cell Research, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea, Division of Energy-Environment Engineering, KIST School, Korea University of Science and Technology (UST), Daejeon, South Korea; Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, 30332, Georgia, United States; Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, 30332, Georgia, United States; Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, South Korea; Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, South Korea; Department of Chemistry and Research Institute for Natural Sciences, Korea University, Seoul, 02841, South Korea; Department of Chemistry, Tsinghua University, Beijing, 100084, China; Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China; Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China; School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 610054, China; Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, South Korea, Department of Hydrogen & Renewable Energy, Kyungpook National University, Daegu, 41566, South Korea | 57193334513; 59868905500; 57201400708; 35734143600; 57220578421; 56007027600; 56883285700; 8980047800; 36668754000; 57217845971; 57279597700; 56449665800; 57211023238; 8510322900; 57208751493; 57215560821; 58973564600; 57221316324; 56174456600; 57203906041; 56167600800 | shjoo@unist.ac.kr; | Journal of Materials Chemistry A | J MATER CHEM A | 2050-7488 | 2050-7496 | 10 | 1 | SCIE | CHEMISTRY, PHYSICAL;ENERGY & FUELS;MATERIALS SCIENCE, MULTIDISCIPLINARY | 2022 | 11.9 | 8.8 | 1.65 | 2025-06-25 | 78 | Carbides; Electrolysis; Metals; Phosphorus compounds; Sulfur compounds; Carbon catalysts; Catalyst material; Doped carbons; Metal boride; Metal-based catalysts; Metal-carbide; Performance; State of the art; Water electrolysis; ]+ catalyst; Catalysts | English | Final | 2022 | 10.1039/d1ta06548c | 바로가기 | 바로가기 | 바로가기 | ||||||||
| ○ | ○ | Article | Selective CO2 adsorption at low pressure with a Zr-based UiO-67 metal-organic framework functionalized with aminosilanes | Selective CO2 capture from offgas of various sources is very significant against global warming. Here, we modified a Zr-based MOF (UiO-67), for the first time, with aminosilanes by utilizing mu-OH of the MOF in order to increase the performances in CO2 adsorption under a low pressure of up to 100 kPa. Although the MOF does not have open metal sites (OMSs) that are effective in grafting Lewis bases like diamines, aminosilanes could be loaded facilely onto the MOF. Importantly, one modified UiO-67 showed a remarkable selectivity (based on ideal adsorbed solution theory, IAST SCO2/N2) of 407 (at 100 kPa) which is 163 times that of the pristine UiO-67. This IAST selectivity is higher than any result observed with MOFs having amino groups (excluding only a handful of results obtained for MOFs having very small pores). Moreover, the adsorbed quantity of CO2 at 15 kPa over the modified UiO-67 was around 2.6 times that of the pristine UiO-67. Interestingly, the nitrogen content to show the most effective CO2 adsorption (in both the selectivity and adsorbed quantity) was nearly constant at ca. 5.7 mmol g⁻¹ irrespective of the type of applied aminosilane; and there is little difference between primary and secondary amino groups in increasing the performances in CO2 capture under low pressure. This study will pave the way to functionalize a MOF (although there is no OMS) with aminosilanes, providing a very effective adsorbent to capture CO2 from offgas. | Yoo, Dong Kyu; Jhung, Sung Hwa | Kyungpook Natl Univ, Green Nano Mat Res Ctr, Dept Chem, Daegu 41566, South Korea | ; Jhung, Sung/AAO-6683-2021 | 57201339246; 6701659467 | sung@knu.ac.kr; | JOURNAL OF MATERIALS CHEMISTRY A | J MATER CHEM A | 2050-7488 | 2050-7496 | 10 | 16 | SCIE | CHEMISTRY, PHYSICAL;ENERGY & FUELS;MATERIALS SCIENCE, MULTIDISCIPLINARY | 2022 | 11.9 | 8.8 | 2.38 | 2025-06-25 | 43 | 40 | MIXED MATRIX MEMBRANES; CARBON-DIOXIDE CAPTURE; POROUS MATERIALS; MOFS; SEPARATION; CONVERSION; CH4; ADSORBENT; MECHANISM; CATALYSIS | Adsorption; Global warming; Metal-Organic Frameworks; Zirconium compounds; Aminosilanes; Functionalized; Ideal adsorbed solution theory; Lewis base; Low pressures; Metal sites; Metalorganic frameworks (MOFs); Modified a; Off-gases; Performance; Carbon dioxide | English | 2022 | 2022-04-19 | 10.1039/d1ta09772e | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Silicon- and Boron-Induced Physio-Biochemical Alteration and Organic Acid Regulation Mitigates Aluminum Phytotoxicity in Date Palm Seedlings | The current study aimed to understand the synergistic impacts of silicon (Si; 1.0 mM) and boron (B; 10 mu M) application on modulating physio-molecular responses of date palm to mitigate aluminum (Al3+; 2.0 mM) toxicity. Results revealed that compared to sole Si and B treatments, a combined application significantly improved plant growth, biomass, and photosynthetic pigments during Al toxicity. Interestingly, Si and B resulted in significantly higher exudation of organic acid (malic acids, citric acids, and acetic acid) in the plant's rhizosphere. This is also correlated with the reduced accumulation and translocation of Al in roots (60%) and shoots (56%) in Si and B treatments during Al toxicity compared to in sole Al3+ treatment. The activation of organic acids by combined Si + B application has significantly regulated the ALMT1, ALMT2 and plasma membrane ATPase; PMMA1 and PMMA3 in roots and shoots. Further, the Si-related transporter Lsi2 gene was upregulated by Si + B application under Al toxicity. This was also validated by the higher uptake and translocation of Si in plants. Al-induced oxidative stress was significantly counteracted by exhibiting lower malondialdehyde and superoxide production in Si + B treatments. Experiencing less oxidative stress was evident from upregulation of CAT and Cyt-Cu/Zn SOD expression; hence, enzymatic activities such as polyphenol oxidase, catalase, peroxidase, and ascorbate peroxidase were significantly activated. In the case of endogenous phytohormones, Si + B application demonstrated the downregulation of the abscisic acid (ABA; NCED1 and NCED6) and salicylic acid (SA; PYL4, PYR1) biosynthesis-related genes. Consequently, we also noticed a lower accumulation of ABA and rising SA levels under Al-stress. The current findings illustrate that the synergistic Si + B application could be an effective strategy for date palm growth and productivity against Al stress and could be further extended in field trails in Al-contaminated fields. | Bilal, Saqib; Khan, Adil; Imran, Muhammad; Khan, Abdul Latif; Asaf, Sajjad; Al-Rawahi, Ahmed; Al-Azri, Masoud Sulaiman Abood; Al-Harrasi, Ahmed; Lee, In-Jung | Univ Nizwa, Nat & Med Sci Res Ctr, Nizwa 616, Oman; Texas Tech Univ, Inst Genom Crop Abiot Stress Tolerance, Dept Plant & Soil Sci, Lubbock, TX 79409 USA; Kyungpook Natl Univ, Coll Agr & Life Sci, Sch Appl Biosci, Div Plant Biosci, 80 Dahak Ro, Daegu 41566, South Korea; Univ Houston, Dept Engn Technol, Sugar Land, TX 77479 USA; Minist Agr Fisheries & Water Resources, Muscat 100, Oman | Imran, Muhammad/AFL-6590-2022; Ul-Hamid, Anwar/B-7297-2015; Khan, Adil/AAC-5160-2022; Asaf, Sajjad/ABA-3647-2021; Khan, Abdul/H-5910-2011; Lee, In-Jung/GLS-0432-2022 | 57031617400; 59815813500; 58282433800; 26639372800; 56595059900; 7801308442; 56948796000; 6506093146; 16425830900 | saqib@unizwa.edu.om;adilkhan@ttu.edu;m.imran@knu.ac.kr;alkhan@uh.edu;sajjadasaf@unizwa.edu.om;ahmed@unizwa.edu.om;masoud.alazri@maf.gov.om;aharrasi@unizwa.edu.om;ijlee@knu.ac.kr; | ANTIOXIDANTS | ANTIOXIDANTS-BASEL | 2076-3921 | 11 | 6 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;CHEMISTRY, MEDICINAL;FOOD SCIENCE & TECHNOLOGY | 2022 | 7 | 8.8 | 1.43 | 2025-06-25 | 16 | 15 | date palm (Phoenix dactylifera L; ); silicon; boron; aluminum; oxidative stress; organic acid | OXIDATIVE DAMAGE; TRIFOLIATE ORANGE; GROWTH-INHIBITION; ROOT ELONGATION; SALICYLIC-ACID; STRESS; TOXICITY; TOLERANCE; PHOTOSYNTHESIS; ACCUMULATION | aluminum; boron; date palm (Phoenix dactylifera L.); organic acid; oxidative stress; silicon | English | 2022 | 2022-06 | 10.3390/antiox11061063 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Structural, electronic, and electrocatalytic evaluation of spinel transition metal sulfide supported reduced graphene oxide | Development of highly active and durable non-precious spinel transition metal sulfide (STMS)-based electrocatalysts plays a vital role in increasing the efficiency of hydrogen production via water electrolysis. Herein, we have synthesized a hierarchical nanostructured ZnCo2S4 on reduced graphene oxide (ZCS@rGO) sheet using a cost-effective hydrothermal synthesis method. The prepared ZCS@rGO shows improved hydrogen desorption and adsorption energy of the electrocatalyst surface towards efficient hydrogen evolution reaction (HER). As a result, ZCS@rGO showed lower HER overpotential (eta(10) = 135 eV) and Tafel slope (47 mV dec(-1)) and superior durability at 10 mA cm(-2) for 36 h, as compared to the benchmark catalyst of Pt-C. Further, the electronic structure and HER mechanism of the ZCS@rGO catalyst were investigated by density functional theory calculations. This work provides a new pathway for the rational design of highly active and durable non-precious STMS-based electrocatalysts for hydrogen production. | Kumar, Ramasamy Santhosh; Ramakrishnan, Shanmugam; Prabhakaran, Sampath; Kim, Ae Rhan; Kumar, Dharman Ranjith; Kim, Do Hwan; Yoo, Dong Jin | Jeonbuk Natl Univ, Hydrogen & Fuel Cell Res Ctr, Convers Engn BK21 FOUR Grad Sch, Jeonju 54896, Jeollabuk Do, South Korea; Jeonbuk Natl Univ, Dept Nano Convergence Engn, Jeonju 54896, Jeonbuk, South Korea; Jeonbuk Natl Univ, Dept Life Sci, Jeonju 54896, Jeollobuk Do, South Korea; Kyungpook Natl Univ, Sch Mech Engn, Daegu 702701, South Korea; Jeonbuk Natl Univ, Div Sci Educ, Jeonju 54896, Jeonbuk, South Korea | ; SAMPATH, PRABHAKARAN/HIR-5267-2022; Yoo, Dong/D-8037-2017; Shanmugam, Ramakrishnan/NBX-3543-2025; Kim, Do Hwan/ACR-3270-2022 | 50562078600; 57211740334; 57216505865; 7402063518; 57287207100; 57190283685; 7103242561 | djyoo@jbnu.ac.kr; | JOURNAL OF MATERIALS CHEMISTRY A | J MATER CHEM A | 2050-7488 | 2050-7496 | 10 | 4 | SCIE | CHEMISTRY, PHYSICAL;ENERGY & FUELS;MATERIALS SCIENCE, MULTIDISCIPLINARY | 2022 | 11.9 | 8.8 | 4.05 | 2025-06-25 | 70 | 69 | DURABLE BIFUNCTIONAL ELECTROCATALYST; NI-FOAM; EVOLUTION REACTION; FACILE SYNTHESIS; CHARGE STORAGE; HYDROGEN; EFFICIENT; OXYGEN; NANOSHEETS; DESIGN | Cost effectiveness; Density functional theory; Electrocatalysts; Electronic structure; Graphene; Hydrothermal synthesis; Sulfur compounds; Transition metals; Zinc compounds; Cost effective; Electrocatalytic; Hydrogen adsorption; Hydrogen evolution reactions; Nano-structured; Reduced graphene oxides; Synthesis method; Synthesised; Transition metal sulfides; Water electrolysis; Hydrogen production | English | 2022 | 2022-01-25 | 10.1039/d1ta08224h | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Terpenoid-Rich Extract of Dillenia indica L. Bark Displays Antidiabetic Action in Insulin-Resistant C2C12 Cells and STZ-Induced Diabetic Mice by Attenuation of Oxidative Stress | Insulin resistance (IR) plays a key role in the pathogenesis and clinical outcome of patients with multiple diseases and diabetes. In this study, we examined the antidiabetic effects of a terpenoid-rich extract from Dillenia indica L. bark (TRDI) in palmitic acid-induced insulin resistance (PA-IR) in C2C12 myotube and a streptozotocin (STZ)-induced diabetic mice model and explored the possible underlying mechanism. TRDI showed potential DPPH- and ABTS-radical scavenging effects with a half-maximal inhibitory concentration (IC50) value of 9.76 +/- 0.50 mu g/mL and 17.47 +/- 1.31 mu g/mL, respectively. Furthermore, TRDI strongly mitigated alpha-glucosidase activity with an IC50 value of 3.03 +/- 1.01 mu g/mL, which was 92-fold higher than the positive control, acarbose (IC50 = 279.49 +/- mu g/mL). TRDI stimulated the insulin receptor substrarte-1 (INS-1), downregulated phosphoinositide-dependent kinase-1 (PDK1) and protein kinase B (Akt) in both normal and PA-IR C2C12 cells as well as in STZ-induced diabetic mice, enhanced glucose transporter 4 (GLUT4) translocation to the plasma membrane (PM), and increased glucose absorption. Furthermore, TRDI administration significantly reduced PA-induced reactive oxygen species (ROS) formation in C2C12 cells and increased the protein level of numerous antioxidant enzymes such as superoxide dismutase 1 (SOD1), catalase (CAT), glutathione peroxidase-1 (GPx-1) and thioredoxin reductase (TrxR) both in vitro and in vivo. Furthermore, TRDI facilitated nuclear factor erythroid 2 related factor 2 (Nrf2) nuclear translocation and increased HO-1 expression in PA-IR C2C12 cells and STZ-induced diabetic mice. However, for the inhibition of Nrf2, TRDI failed to resist the effects of IR. Thus, this study provides new evidence to support the use of TRDI for diabetes treatment. | Song, Bo-Rim; Alam, Md Badrul; Lee, Sang-Han | Kyungpook Natl Univ, Grad Sch, Dept Food Sci & Biotechnol, Daegu 41566, South Korea; Kyungpook Natl Univ, Inner Beauty Antiaging Ctr, Food & Bioind Res Inst, Daegu 41566, South Korea | Lee, Seung Eun/ABG-1607-2021; ALAM, MD BADRUL/AFL-7668-2022; Alam, Md Badrul/AFL-7668-2022 | 57223138662; 56706777100; 57221453703 | sbr9707@knu.ac.kr;mbalam@knu.ac.kr;sang@knu.ac.kr; | ANTIOXIDANTS | ANTIOXIDANTS-BASEL | 2076-3921 | 11 | 7 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;CHEMISTRY, MEDICINAL;FOOD SCIENCE & TECHNOLOGY | 2022 | 7 | 8.8 | 1.71 | 2025-06-25 | 18 | 19 | Dillenia indica L; bark; GLUT4; Akt; ROS; Nrf2; HO-1 | BETULINIC ACID; GLUCOSE-UPTAKE; LEAVES | Akt; Dillenia indica L. bark; GLUT4; HO-1; Nrf2; ROS | English | 2022 | 2022-07 | 10.3390/antiox11071227 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | The Activation of Nrf2/HO-1 by 8-Epi-7-deoxyloganic Acid Attenuates Inflammatory Symptoms through the Suppression of the MAPK/NF-κB Signaling Cascade in In Vitro and In Vivo Models | In this study, we examined the ameliorative effects of 8-epi-7-deoxyloganic acid (DLA), an iridoid glycoside, on oxidative stress and inflammation in both LPS-stimulated macrophages and mice with carrageenan-induced inflammation. DLA decreased oxidative stress through the up-regulation of heme oxygenase-1 (HO-1) via the activation of nuclear factor erythroid 2-related factor 2 (Nrf2), leading to the suppression of reactive oxygen species (ROS) and nitric oxide generation (NO). In addition, DLA inhibited the activation of mitogen-activated protein kinases (MAPKs) and the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kappa B) pathway, resulting in a decreased production of the proinflammatory cytokines tumor necrosis factor-alpha (TNF-alpha) and interleukin-1 beta (IL-1 beta and -6 (IL-6), as well as of monocyte chemoattractant protein-1 (MCP-1). In addition, DLA effectively inhibited the generation of nitric oxide (NO) and prostaglandin E2 (PGE2) by inhibiting the expression of the upstream genes inducible nitric oxidase (iNOS) and cyclooxygenase-2 (COX-2). DLA demonstrated powerful anti-inflammatory and antioxidant properties and thus appears as an intriguing prospective therapeutic treatment. | Simu, Shakina Yesmin; Alam, Md Badrul; Kim, Sun Yeou | Gachon Univ, Coll Pharm, 191 Hambakmoero, Incheon 21936, South Korea; Kyungpook Natl Univ, Grad Sch, Dept Food Sci & Biotechnol, Daegu 41566, South Korea; Kyungpook Natl Univ, Inner Beauty Antiaging Ctr, Food & Bioind Res Inst, Daegu 41566, South Korea | Alam, Md Badrul/AFL-7668-2022 | 56676236800; 56706777100; 57183261700 | simu21@gachon.ac.kr; | ANTIOXIDANTS | ANTIOXIDANTS-BASEL | 2076-3921 | 11 | 9 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;CHEMISTRY, MEDICINAL;FOOD SCIENCE & TECHNOLOGY | 2022 | 7 | 8.8 | 0.67 | 2025-06-25 | 9 | 9 | 8-epi-7-deoxyloganic acid; antioxidant; anti-inflammation; MAPKs; NF-kappa B; Nrf-2; HO-1 | NATURALLY-OCCURRING IRIDOIDS; OXIDATIVE STRESS; DOWN-REGULATION; ANTIINFLAMMATORY ACTIVITY; LIPID-PEROXIDATION; NITRIC-OXIDE; INHIBITION; PATHWAYS; INACTIVATION; MEDIATORS | 8-epi-7-deoxyloganic acid; anti-inflammation; antioxidant; HO-1; MAPKs; NF-κB; Nrf-2 | English | 2022 | 2022-09 | 10.3390/antiox11091765 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | The effect of corporate social responsibility and corporate social irresponsibility: Why company size matters based on consumers? need for self-expression | Social networks service has an important role in disseminating information related to corporate social responsibility (CSR), which is becoming increasingly important in the digital era. This study examines how perceived CSR and corporate social irresponsibility (CSIR) for large versus small companies affect electronic "word of mouth" (eWOM), based on cognitive bias theory. In addition, our research suggests that consumers' need for self-expression mediates the relationship between the interaction of perceived CSR vs. CSIR) by firm size and eWOM, which could be explained by social identity theory. We conduct an experiment to test our hypotheses and show that CSR initiatives have a more profound effect on eWOM for small companies, whereas evidence of CSIR has a stronger effect on eWOM for large companies. Importantly, the relationship is mediated by consumers' need for self-expression. This research contributes to provide a framework for how consumers diffuse perceptions of CSR versus CSIR online. | Jung, Hyukjin; Bae, Joonheui; Kim, Hanku | Kyungpook Natl Univ, Sch Business Adm, 80 Daehak Ro, Daegu 702701, South Korea | ; Bae, Joonheui/JXM-6789-2024 | 57555418100; 57202349513; 57195427228 | sing4403@naver.com;regina721@knu.ac.kr; | JOURNAL OF BUSINESS RESEARCH | J BUS RES | 0148-2963 | 1873-7978 | 146 | SSCI | BUSINESS | 2022 | 11.3 | 8.8 | 1.38 | 2025-06-25 | 28 | 29 | Corporate social responsibility; Corporate social irresponsibility; Cognitive bias; Need for self-expression; Electronic word of mouth | WORD-OF-MOUTH; CSR; IMPACT; BEHAVIOR; PERCEPTION; ENGAGEMENT; TOURISM; TWITTER; MODEL; SCALE | Cognitive bias; Corporate social irresponsibility; Corporate social responsibility; Electronic word of mouth; Need for self-expression | English | 2022 | 2022-07 | 10.1016/j.jbusres.2022.03.024 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Ultralow Lattice Thermal Conductivity and Enhanced Mechanical Properties of Cu and Sb Co-Doped SnTe Thermoelectric Material with a Complex Microstructure Evolution | SnTe is an exceptionally promising eco-friendly thermoelectric material that continues to draw immense interest as a source of alternative energy recovered from waste heat energy. Here, we investigate the effect of introducing Cu as a single doping element rather than phase separated in SnTe followed by Sb co-doping to tune the lattice thermal conductivity. A microstructure evolution was observed which influences the thermoelectric performance of these SnTe-based materials. An overall power factor of similar to 22 mu W/cmK(2) and an ultralow lattice thermal conductivity of 0.39 W/mK are reported. A maximum ZT of 0.86 is also reported with an all-time record high hardness value of 165 Hv among SnTe-based thermoelectric materials. Through DFT calculations, we show that Cu opens the band gap of SnTe, whereas Sb in the presence of Cu introduces resonance levels and causes band convergence. This kind of enhanced thermoelectric performance is paramount for the application of SnTe in recovery of heat into useful electrical energy. | Kihoi, Samuel Kimani; Shenoy, U. Sandhya; Kahiu, Joseph Ngugi; Kim, Hyunji; Bhat, D. Krishna; Lee, Ho Seong | Kyungpook Natl Univ, Sch Mat Sci & Engn, Daegu 41566, South Korea; Srinivas Univ, Coll Engn & Technol, Dept Chem, Mangalore 574146, Karnataka, India; Kyungpook Natl Univ, Dept Hydrogen & Renewable Energy, Daegu 41566, South Korea; Natl Inst Technol Karnataka, Dept Chem, Mangalore 575025, Karnataka, India | ; Kihoi, Samuel Kimani/IUM-8515-2023; BHAT, DENTHAJE/Y-8524-2019; Shenoy, U/AAW-2458-2021 | 57208396874; 56494709500; 57222096169; 57208408040; 15130527000; 55706810400 | hs.lee@knu.ac.kr; | ACS SUSTAINABLE CHEMISTRY & ENGINEERING | ACS SUSTAIN CHEM ENG | 2168-0485 | 10 | 4 | SCIE | CHEMISTRY, MULTIDISCIPLINARY;ENGINEERING, CHEMICAL;GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | 2022 | 8.4 | 8.8 | 1.94 | 2025-06-25 | 33 | 33 | Tin telluride; Electronic structure engineering; Lattice thermal conductivity; Microstructure; Hardness; Figure of merit | TIN TELLURIDE; PERFORMANCE; BI; MAGNESIUM; DOPANT; INDIUM; ZN; MN | Electronic structure engineering; Figure of merit; Hardness; Lattice thermal conductivity; Microstructure; Tin telluride | Copper; Crystal lattices; Electronic structure; Energy gap; Hardness; Microstructure; Tellurium compounds; Thermal conductivity; Thermal Engineering; Thermoelectric equipment; Thermoelectricity; Tin compounds; Waste heat; Co-doped; Electronic structure engineering; Electronic.structure; Figure of merit; Lattice thermal conductivity; Microstructure evolutions; Structure engineering; Thermo-Electric materials; Thermoelectric material; Thermoelectric performance; IV-VI semiconductors | English | 2022 | 2022-01-31 | 10.1021/acssuschemeng.1c07817 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Vitamin B12 Reduces TDP-43 Toxicity by Alleviating Oxidative Stress and Mitochondrial Dysfunction | TAR DNA-binding protein 43 (TDP-43) is a member of an evolutionarily conserved family of heterogeneous nuclear ribonucleoproteins that modulate multiple steps in RNA metabolic processes. Cytoplasmic aggregation of TDP-43 in affected neurons is a pathological hallmark of many neurodegenerative diseases, including amyotrophic lateral sclerosis (ALS), frontotemporal dementia (FTD), Alzheimer's disease (AD), and limbic predominant age-related TDP-43 encephalopathy (LATE). Mislocalized and accumulated TDP-43 in the cytoplasm induces mitochondrial dysfunction and reactive oxidative species (ROS) production. Here, we show that TDP-43- and rotenone-induced neurotoxicity in the human neuronal cell line SH-SY5Y were attenuated by hydroxocobalamin (Hb, vitamin B-12 analog) treatment. Although Hb did not affect the cytoplasmic accumulation of TDP-43, Hb attenuated TDP-43-induced toxicity by reducing oxidative stress and mitochondrial dysfunction. Moreover, a shortened lifespan and motility defects in TDP-43-expressing Drosophila were significantly mitigated by dietary treatment with hydroxocobalamin. Taken together, these findings suggest that oral intake of hydroxocobalamin may be a potential therapeutic intervention for TDP-43-associated proteinopathies. | Jeon, Yu-Mi; Kwon, Younghwi; Lee, Shinrye; Kim, Seyeon; Jo, Myungjin; Lee, Seongsoo; Kim, Sang Ryong; Kim, Kiyoung; Kim, Hyung-Jun | Korea Brain Res Inst, Dementia Res Grp, Daegu 41068, South Korea; DGIST, Dept Brain & Cognit Sci, Daegu 41068, South Korea; Korea Basic Sci Inst, Gwangju Ctr, Gwangju 61886, South Korea; Kyungpook Natl Univ, Sch Life Sci, Daegu 41566, South Korea; Kyungpook Natl Univ, BK21 FOUR KNU Creat BioRes Grp, Daegu 41566, South Korea; Soonchunhyang Univ, Dept Med Biotechnol, Asan 31538, South Korea; Soonchunhyang Univ, Dept Med Sci, Asan 31538, South Korea | 36158214700; 57194168806; 17342428400; 57194160625; 57189727853; 57192516634; 56486163800; 57202307555; 57191717907 | ekpd0345@kbri.re.kr;yhkwon@kbri.re.kr;srlee@kbri.re.kr;seyeon@kbri.re.kr;jomj@kbri.re.kr;soolee@kbsi.re.kr;srk75@knu.ac.kr;kiyoung2@sch.ac.kr;kijang1@kbri.re.kr; | ANTIOXIDANTS | ANTIOXIDANTS-BASEL | 2076-3921 | 11 | 1 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;CHEMISTRY, MEDICINAL;FOOD SCIENCE & TECHNOLOGY | 2022 | 7 | 8.8 | 2.19 | 2025-06-25 | 21 | 23 | TAR DNA-binding protein 43; amyotrophic lateral sclerosis; Drosophila; mitochondrial dysfunction; oxidative stress | ENDOPLASMIC-RETICULUM STRESS; UNFOLDED PROTEIN RESPONSE; AMYOTROPHIC-LATERAL-SCLEROSIS; ALZHEIMERS-DISEASE; COGNITIVE IMPAIRMENT; TARDBP MUTATIONS; KAPPA-B; APOPTOSIS; DNA; INHIBITION | Amyotrophic lateral sclerosis; Drosophila; Mitochondrial dysfunction; Oxidative stress; TAR DNA-binding protein 43 | English | 2022 | 2022-01 | 10.3390/antiox11010082 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Anti-Inflammatory and Anti-oxidant Functions of Cornuside by Regulating NF-κB, STAT-1, and Nrf2-HO-1 Pathways | Cornuside (CNS), found in the fruit of Cornus officinalis Seib, is a natural bisiridoid glucoside that possesses therapeutic effects by suppressing inflammation. This study aimed to determine whether CNS could inhibit the inflammatory response induced by lipopolysaccharide (LPS) in human umbilical vein endothelial cells (HUVECs) and mice, as well as to decipher the mechanisms. After activating HUVECs with LPS, the cells were treated with CNS. Cells were then isolated for protein or mRNA assays to analyze signaling and inflammatory molecules. In addition, mice received an intraperitoneal injection of LPS, followed by an intravenously administered dose of CNS. CNS inhibited cyclooxygenase (COX)-2 and inducible nitric oxide synthase (iNOS) expressions induced by LPS. CNS decreased phosphorylated signal transducer and activator of transcription 1 (STAT1)-1 by promoting HO-1 expression, inhibiting nuclear factor (NF)-kappa B-luciferase activity, and decreasing COX-2/prostaglandin E2 (PGE2) and iNOS/NO. Furthermore, CNS treatment in LPS-activated HUVECs increased the nuclear translocation of nuclear factor erythrocyte 2-related factor 2 (Nrf2) and combined Nrf2 to anti-oxidant response elements and decreased IL-1 beta production. Reduced iNOS/NO expression by CNS was restored when HO-1 RNAi inhibited heme oxygenase-1 (HO-1). After CNS treatment in vivo, iNOS levels in lung tissue and tumor necrosis factor (TNF)-alpha expression in the bronchoalveolar lavage fluid were significantly decreased. The results indicated that CNS increased HO-1 expression, reduced LPS-activated NF-kappa B-luciferase activity, and inhibited iNOS/NO and COX-2/PGE2, all of which contributed to the inhibition of STAT-1 phosphorylation. Thus, CNS can be a potential new substance for treating inflammatory disorders. | Kim, Chaeyeong; Kim, Nayeon; Bae, Jong-Sup | Kyungpook Natl Univ, Coll Pharm, Res Inst Pharmaceut Sci, Daegu 41566, South Korea | Bae, Jong-Sup/AAU-9724-2020 | 57418696700; 57226179942; 16021543200 | baejs@knu.ac.kr; | AMERICAN JOURNAL OF CHINESE MEDICINE | AM J CHINESE MED | 0192-415X | 1793-6853 | 50 | 05 | SCIE | INTEGRATIVE & COMPLEMENTARY MEDICINE;MEDICINE, GENERAL & INTERNAL | 2022 | 5.7 | 8.9 | 0.93 | 2025-06-25 | 4 | 5 | Cornuside; Endothelium; Anti-oxidant; Anti-Inflammation; iNOS; p-STAT-1; Nrf2-HO Pathway | Anti-Inflammation; Anti-oxidant; Cornuside; Endothelium; iNOS; Nrf2-HO Pathway; p-STAT-1 | Animals; Anti-Inflammatory Agents; Antioxidants; Cyclooxygenase 2; Dinoprostone; Glucosides; Heme Oxygenase-1; Human Umbilical Vein Endothelial Cells; Humans; Lipopolysaccharides; Luciferases; Mice; NF-E2-Related Factor 2; NF-kappa B; Nitric Oxide Synthase Type II; Pyrans; antiinflammatory agent; antioxidant; cornuside; cyclooxygenase 2; heme oxygenase 1; immunoglobulin enhancer binding protein; inducible nitric oxide synthase; interleukin 1beta; lipopolysaccharide; prostaglandin E2; STAT1 protein; transcription factor Nrf2; tumor necrosis factor; unclassified drug; antiinflammatory agent; antioxidant; cornuside; cyclooxygenase 2; glucoside; heme oxygenase 1; immunoglobulin enhancer binding protein; inducible nitric oxide synthase; lipopolysaccharide; luciferase; prostaglandin E2; pyran derivative; transcription factor Nrf2; animal cell; animal experiment; animal model; animal tissue; antiinflammatory activity; antioxidant activity; antioxidant responsive element; Article; bronchoalveolar lavage fluid; controlled study; cytokine production; enzyme activity; enzyme inhibition; human; human cell; in vitro study; in vivo study; lung parenchyma; male; mouse; NF kB signaling; nonhuman; protein expression; protein phosphorylation; umbilical vein endothelial cell; animal; genetics; metabolism | English | 2022 | 2022 | 10.1142/s0192415x22500574 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Augmented ERAD (ER-associated degradation) activity in chondrocytes is necessary for cartilage development and maintenance | Chondrocytes secrete massive extracellular matrix (ECM) molecules that are produced, folded, and modified in the endoplasmic reticulum (ER). Thus, the ER-associated degradation (ERAD) complex-which removes misfolded and unfolded proteins to maintain proteostasis in the ER-plays an indispensable role in building and maintaining cartilage. Here, we examined the necessity of the ERAD complex in chondrocytes for cartilage formation and maintenance. We show that ERAD gene expression is exponentially increased during chondrogenesis, and disruption of ERAD function causes severe chondrodysplasia in developing embryos and loss of adult articular cartilage. ERAD complex malfunction also causes abnormal accumulation of cartilage ECM molecules and subsequent chondrodysplasia. ERAD gene expression is decreased in damaged cartilage from patients with osteoarthritis (OA), and disruption of ERAD function in articular cartilage leads to cartilage destruction in a mouse OA model. | Sim, Hyo Jung; Cho, Chanmi; Kim, Ha Eun; Hong, Ju Yeon; Song, Eun Kyung; Kwon, Keun Yeong; Jang, Dong Gil; Kim, Seok-Jung; Lee, Hyun-Shik; Lee, Changwook; Kwon, Taejoon; Yang, Siyoung; Park, Tae Joo | Ulsan Natl Inst Sci & Technol, Sch Life Sci, Ulsan, South Korea; Ajou Univ, Dept Pharmacol, Sch Med, Suwon 16499, South Korea; Ajou Univ, Grad Sch, Dept Biomed Sci, Suwon 16499, South Korea; Sungkyunkwan Univ, CIRNO, Suwon 16419, South Korea; Ajou Univ, Degenerat Inter Dis Res Ctr, Sch Med, Suwon 16499, South Korea; Catholic Univ Korea, Coll Med, Uijeongbu St Marys Hosp, Dept Orthopaed Surg, Uijongbu 11765, South Korea; Kyungpook Natl Univ, Coll Nat Sci, Sch Life Sci, BK21 FOUR KNU Creat BioRes Grp, Daegu 41566, South Korea; Inst Basic Sci, Ctr Genom Integr, Ulsan 44919, South Korea | Park, Tae Joo/G-1460-2011; Yang, Siyoung/ACC-8755-2022; Kim, Hye-Ryoung/GPG-1346-2022; Kwon, Taejoon/S-3835-2016; Sim, Hyo Jung/KRP-4231-2024 | 57200613242; 57195285626; 57204168433; 57423066400; 56708096200; 57204164804; 57204170015; 14822364900; 16316010200; 56582957100; 35484365800; 14822763000; 58254025900 | yangsy@ajou.ac.kr;parktj@unist.ac.kr; | SCIENCE ADVANCES | SCI ADV | 2375-2548 | 8 | 3 | SCIE | MULTIDISCIPLINARY SCIENCES | 2022 | 13.6 | 8.9 | 1.35 | 2025-06-25 | 20 | 19 | MATRIX; OSTEOARTHRITIS; DISLOCATION; EXPRESSION; UBIQUITIN; PATHWAY; SEL1L; SOX9 | Gene expression; Molecules; Articular cartilages; Chondrocytes; Degradation activity; Degradation functions; Endoplasmic reticulum; Endoplasmic reticulum associated degradations; Extracellular matrix molecules; Genes expression; Misfolded proteins; Unfolded proteins; Cartilage | English | 2022 | 2022-01 | 10.1126/sciadv.abl4222 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||||
| ○ | ○ | Article | Covalent Networking of a Conjugated-Polymer Photocatalyst to Promote Exciton Diffusion in the Aqueous Phase for Efficient Hydrogen Production | A conjugated polymer particle in an aqueous phase is covalently networked in 3D by crosslinking with azide groups, leading to significantly enhanced activity-a high photocatalytic H-2 evolution rate (11 024 mu mol g(-1) h(-1) (lambda > 420 nm)) and a high apparent quantum yield (up to 0.8%). The reaction between the photoactive azide and the alkyl chains of the conjugated polymer provides more intact intermolecular polymeric interactions in the colloidal state, thus preventing physical swelling and inhibiting the recombination of photoproduced carriers. The covalent network efficiently promotes exciton diffusion, which greatly facilitates charge separation and transfer. The azide photo-crosslinking also leads to more compact and better-packed nanoparticles in the aqueous phase and efficient transfer of excitons to the outer surface of the nanoparticles, where photocatalytic reactions occur. These results show that photo-crosslinking can suppress the adverse effects of alkyl chains which inhibit photocatalytic performance. Therefore, covalent crosslinking is a promising strategy for the development of solar and hydrogen energy. | An, Sanghyeok; Hassan, Syed Zahid; Jung, Jin-Woo; Cha, Hyojung; Cho, Chang-Hee; Chung, Dae Sung | Pohang Univ Sci & Technol POSTECH, Dept Chem Engn, Pohang 37363, South Korea; Daegu Gyeongbuk Inst Sci & Technol DGIST, Dept Emerging Mat Sci, Daegu 42988, South Korea; Kyungpook Natl Univ, Dept Hydrogen & Renewable Energy, Daegu 41566, South Korea | Chung, Dae/AAR-3945-2020 | 57226353850; 57205711532; 57196451695; 35885242200; 55627477700; 15019094800 | hcha@knu.ac.kr;dchung@postech.ac.kr; | SMALL METHODS | SMALL METHODS | 2366-9608 | 6 | 4 | SCIE | CHEMISTRY, PHYSICAL;MATERIALS SCIENCE, MULTIDISCIPLINARY;NANOSCIENCE & NANOTECHNOLOGY | 2022 | 12.4 | 8.9 | 0.58 | 2025-06-25 | 9 | 9 | conjugated polymer nanoparticles; hydrogen evolution; organic semiconductors; photocatalysts; photo-crosslinking | WATER; ENERGY; DOTS; NANOMATERIALS; EVOLUTION; DESIGN | conjugated polymer nanoparticles; hydrogen evolution; organic semiconductors; photo-crosslinking; photocatalysts | Conjugated polymers; Crosslinking; Excitons; Nanoparticles; Photocatalytic activity; Solar power generation; Sols; Alkyl chain; Aqueous phasis; Azide group; Conjugated polymer nanoparticle; Exciton diffusion; Hydrogen-evolution; Photo-catalytic; Photo-cross-linkings; Polymer nanoparticles; Polymer particles; Hydrogen production | English | 2022 | 2022-04 | 10.1002/smtd.202200010 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Hydroprinting Technology to Transfer Ultrathin, Transparent, and Double-Sided Conductive Nanomembranes for Multiscale 3D Conformal Electronics | Transparent multiscale 3D conformal electronics using hydroprinting with polyvinyl alcohol (PVA) as a sacrificial layer to transfer networks of silver nanowires (AgNWs) without a carrier layer is developed. However, AgNWs are known to disperse on water surfaces during the transfer process. Therefore, a functional film is developed by simultaneously welding and embedding AgNWs in the PVA through a simple one-step thermal pressing, demonstrating that ultrathin, transparent, and double-sided conductive/patterned nanomembranes with welded AgNWs can float on water without dispersion. The nanomembrane with an excellent figure of merit of 1200, a low sheet resistance of 16.2 Omega sq (-1), and a high transmittance of 98.17% achieves conformal contact with excellent step surface coverage of complex macro- and microstructures because of its nanoscale thickness (54.39 nm) and numerous deformable micro- and nanopores. Furthermore, the double-sided conductive nanomembranes facilitate wiring and layer-by-layer assembly, regardless of the transfer direction of the surface. As a proof-of-concept demonstration, a nanomembrane-based aneurysm sensor is developed. Its high transparency enables coil embolization, and the sensor can measure the pushing force of the coil within an aneurysm in an endovascular simulator. Moreover, this newly developed hydroprinting technology provides a new method for the fabrication of transparent multiscale 3D conformal electronics. | Yoo, Dongwoo; Kim, Seonghyeon; Cho, Woosung; Park, Jaechan; Kim, Joonwon | Pohang Univ Sci & Technol POSTECH, Dept Mech Engn, Pohang 37673, Gyeongbuk, South Korea; Kyungpook Natl Univ, Dept Neurosurg, Sch Med, Daegu 41944, South Korea | ; yoo, dongwoo/KFS-6248-2024 | 57211788840; 57196227781; 57221836050; 44661451000; 56962756200 | joonwon@postech.ac.kr; | SMALL METHODS | SMALL METHODS | 2366-9608 | 6 | 1 | SCIE | CHEMISTRY, PHYSICAL;MATERIALS SCIENCE, MULTIDISCIPLINARY;NANOSCIENCE & NANOTECHNOLOGY | 2022 | 12.4 | 8.9 | 0.58 | 2025-06-25 | 9 | 9 | conformal electronics; flexible and transparent electrodes (FTE); hydroprinting; nanomembranes; welded AgNWs | THIN-FILM TRANSISTORS; NANOWIRE NETWORKS; CURVED SURFACES; DISSOLUTION; FABRICATION | Flexible electronics; Network layers; Transparent electrodes; Welding; Conformal electronic; Double sided; Flexible and transparent electrode; Flexible electrodes; Hydroprinting; Nanomembranes; Sacrificial layer; Transparent electrode; Ultra-thin; Welded AgNW; Nanostructures | English | 2022 | 2022-01 | 10.1002/smtd.202100869 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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