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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 | Organizational form and performance: The cinema chain case | In this article, we explore the relationship between the organizational form of a chain-affiliated establishment and its performance. Unlike previous studies focusing on retail or small service sectors, we consider an industry that requires large investments in equipment and facilities. Using cross-sectional data on Korean movie theatres, we find evidence that performance is higher in company-owned theatres than in franchised ones. We also find that company-owned theatres maintain higher-quality equipment compared to franchised theatres while setting prices higher. These findings and the observation that the share of franchised theatres falls over time in this industry are consistent with the implications of the capital-constraint argument for franchising rather than the agency-incentives argument.* | Kim, In Kyung | Kyungpook Natl Univ, Sch Econ & Trade, Daegu 41566, South Korea | 57202290133 | in.kim@knu.ac.kr; | APPLIED ECONOMICS | APPL ECON | 0003-6846 | 1466-4283 | 53 | 56 | SSCI | ECONOMICS | 2021 | 1.916 | 53.2 | 0.16 | 2025-07-30 | 1 | 2 | Organizational form; performance; franchising; capital constraints | VERTICAL INTEGRATION; FRANCHISE; PRICES; EFFICIENCY; OWNERSHIP; QUALITY; SYSTEMS; CHOICES; FIRMS | capital constraints; franchising; Organizational form; performance | Korea; capitalism; economic activity; economic impact; film; media role; organizational framework; performance assessment; service quality | English | 2021 | 2021-12-02 | 10.1080/00036846.2021.1946003 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Towards advanced complex quantum materials for spin-related applications and photo-induced heterogeneous catalysis: The case of (Fen) @g-CN1 (n=2,3) and (Mn)@(g-CN1)2 | Perspective heterostructures based on Fe and Mn adatoms on 2D g-C3N4 films of different morphology were designed and investigated by means of DFT GGA/PBE and GGA/HSE levels of theory. Spontaneous spin polarization of g-C3N4 and a variety of electronic properties were theoretically investigated. It was found that GGA HSE DFT potential is suitable to describe the main properties of g-C3N4-based heterostructures with transition metal adatoms. It was revealed that (Mn)@(g-CN1)2 heterostructure is a half-metal with 0.5 eV band gap in alpha-channel. (Fen)@g-CN1, n = 2,3) demonstrate different semiconducting properties which are determined by structure and number of Fe adatoms in the unit cells. The presence of several independent centers of Fe forming polyatomic clusters was stated as one of the interests in catalysis. It was found that all considered heterostructures may serve as perspective quantum materials in different spin-related applications. | Melchakova, Iu; Tchaikovskaya, O. N.; Avramov, P. | Kyungpook Natl Univ, Dept Chem, Daegu, South Korea; Tomsk State Univ, 36 Lenin Ave, Tomsk 634050, Russia | Tchaikovskaya, Olga/O-6715-2014; Melchakova, Iuliia/KGM-5967-2024 | 57206720228; 6602638099; 7004322420 | paul.veniaminovich@knu.ac.kr; | COMPUTATIONAL MATERIALS SCIENCE | COMP MATER SCI | 0927-0256 | 1879-0801 | 197 | SCIE | MATERIALS SCIENCE, MULTIDISCIPLINARY | 2021 | 3.572 | 53.2 | 0.07 | 2025-07-30 | 1 | 1 | Complex heterostructures; Quantum materials; Photo-induced heterogeneous catalysis; Spin-related applications; TM clusters; Absorption; Clusterization | GRAPHITIC CARBON NITRIDE; INITIO MOLECULAR-DYNAMICS; G-C3N4; TRANSITION; PHOTODEGRADATION | Absorption; Clusterization; Complex heterostructures; Photo-induced heterogeneous catalysis; Quantum materials; Spin-related applications; TM clusters | Absorption; Adatoms; Electronic properties; Energy gap; Iron; Spin polarization; Clusterization; Complex heterostructure; DFT-GGA; Photo-induced; Photo-induced heterogeneous catalyse; Property; Quantum material; Spin-related application; Spontaneous spin polarization; TM cluster; Catalysis | English | 2021 | 2021-09 | 10.1016/j.commatsci.2021.110610 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | A mutation in the pPLA-IIa gene encoding PATATIN-RELATED PHOSPHOLIPASE a causes late flowering in Arabidopsis | Arabidopsis PATATIN-RELATED PHOSPHOLIPASE 2A (pPLA-IIa) participates in the responses to various growth conditions. The factors affecting pPLA-IIa gene expression and pPLA-IIa protein activity for gycerolipids have been studied thoroughly, but the role of pPLA-IIa during the reproductive phase remains unclear. The effect of pPLA-IIa on flowering time was therefore investigated. ppla-iia mutants flowered later than wild-type plants under long day conditions. Expression of the floral stimulators FLOWERING LOCUS T (FT) and SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 (SOC1) was downregulated in ppla-iia mutants compared with their expression in wild-type plants, but expression of the floral repressor FLOWERING LOCUS C (FLC) was upregulated. In addition, expression levels of COLDAIR, a long intronic noncoding RNA, decreased in ppla-iia mutants. Taken together, these data indicate that pPLA-IIa acts as a positive regulator of flowering time through repression of FLC expression. (c) 2021 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND | Kwak, Jun Soo; Kwon, Dae Hwan; Song, Jong Tae; Seo, Hak Soo | Seoul Natl Univ, Res Inst Agr & Life Sci, Plant Genom & Breeding Inst, Dept Agr Forestry & Bioresources, Seoul 08826, South Korea; Kyungpook Natl Univ, Dept Appl Biosci, Daegu 41566, South Korea | 57188934445; 57216938492; 57797134000; 26642769200 | seohs@snu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 582 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.3 | 2025-07-30 | 4 | 5 | COLDAIR; FLC; Flowering; PATATIN-RELATED PHOSPHOLIPASE 2A; pPLA-IIa | LIPID ACYL HYDROLASE; DROUGHT STRESS; EXPRESSION; PROTEIN | COLDAIR; FLC; Flowering; PATATIN-RELATED PHOSPHOLIPASE 2A; pPLA-IIα | Arabidopsis; Arabidopsis Proteins; Flowers; Gene Expression Regulation, Developmental; Gene Expression Regulation, Plant; Glycolipids; Hydrolases; MADS Domain Proteins; Mutation; Photoperiod; Reproduction; RNA, Long Noncoding; Time Factors; glycerolipid; AGL20 protein, Arabidopsis; Arabidopsis protein; FLF protein, Arabidopsis; FT protein, Arabidopsis; glycerolglycolipids; glycolipid; hydrolase; long untranslated RNA; MADS domain protein; PLP2 protein, Arabidopsis; Arabidopsis thaliana; Article; COLDAIR gene; controlled study; down regulation; enzyme activity; flowering; flowering time; FT gene; gene expression; gene expression level; gene mutation; nonhuman; plant gene; pPLA IIa gene; real time polymerase chain reaction; SOC1 gene; time; upregulation; wild type; Arabidopsis; flower; gene expression regulation; genetics; growth, development and aging; metabolism; mutation; photoperiodicity; reproduction; time factor | English | 2021 | 2021-12-10 | 10.1016/j.bbrc.2021.10.031 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Cultivation of human skin cells under physiological oxygen concentration modulates expression of skin significant genes and response to hydroxy acids | Physiological oxygen concentration (physioxia) ranges from 1 to 8% in human tissues while many researchers cultivate mammalian cells under an atmospheric concentration of 21% (hyperoxia). Oxygen is one of the significant gases which functions in human cells including energy production in mitochondria, metabolism in peroxidase, and transcription of various genes in company with HIF (Hypoxia-inducible factors) in the nucleus. Thus, mammalian cell culture should be deliberated on the oxygen concentration to mimic in vivo physiology. Here, we studied if the cultivation of human skin cells under physiological conditions could affect skin significant genes in barrier functions and dermal matrix formation. We further examined that some representative active ingredients in dermatology such as glycolic acid, gluconolactone, and salicylic acid work in different ways depending on the oxygen concentration. Taken together, we present the importance of oxygen concentration in skin cell culture for proper screening of novel ingredients as well as the mechanistic study of skin cell regulation. ? 2021 Published by Elsevier Inc. | Lee, Kyung-Ha; Kim, Do-Yeon; Kim, Wanil | Daegu Haany Univ, Div Cosmet Sci & Technol, Gyongsan 38610, South Korea; Kyungpook Natl Univ, Sch Dent, Dept Pharmacol, Daegu 41940, South Korea; Gyeongsang Natl Univ, Sch Med, Dept Biochem, Jinju 52727, South Korea | ; Lee, Kyung-Ha/GRY-2640-2022; Kim, Do-Yeon/AET-3021-2022 | 54967786000; 57203012542; 7405813437 | dykim82@knu.ac.kr;wkim@gnu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 551 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.82 | 2025-07-30 | 10 | 11 | Oxygen; Skin cell; Glycolic acid; Gluconolactone; Salicylic acid | SALICYLIC-ACID; LIFE-SPAN; COLLAGEN; HYPOXIA; REGULATOR; FILAGGRIN; PRESSURE; CULTURE; MODEL | Gluconolactone; Glycolic acid; Oxygen; Salicylic acid; Skin cell | Cell Line; Collagen Type I; Fibroblasts; Gene Expression Regulation; Gluconates; Glycolates; Humans; Hydroxy Acids; Keratin-1; Keratinocytes; Lactones; Matrix Metalloproteinase 1; Oxygen; RNA, Messenger; S100 Proteins; Salicylic Acid; Skin; 2 hydroxyacid; collagenase 3; gluconolactone; glycolic acid; interstitial collagenase; messenger RNA; neutrophil collagenase; oxygen; salicylic acid; beta-glucono-1,5-lactone; collagen type 1; collagen type I, alpha 1 chain; cytokeratin 1; FLG protein, human; gluconic acid; glycolic acid; hydroxyacid; interstitial collagenase; KRT1 protein, human; lactone; messenger RNA; MMP1 protein, human; oxygen; protein S 100; salicylic acid; Article; cell culture; COL1A1 gene; COL3A1 gene; COL5A1 gene; controlled study; FLG gene; gene; gene expression; human; human cell; in vitro study; in vivo study; keratinocyte; KRT1 gene; MMP1 gene; MMP13 gene; MMP8 gene; oxygen concentration; priority journal; skin cell; skin fibroblast; skin function; cell line; cytology; drug effect; fibroblast; gene expression regulation; genetics; metabolism; skin | English | 2021 | 2021-04-30 | 10.1016/j.bbrc.2021.02.113 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Depletion of HNRNPA1 induces peroxisomal autophagy by regulating PEX1 expression | Peroxisomes play an essential role in cellular homeostasis by regulating lipid metabolism and the conversion of reactive oxygen species (ROS). Several peroxisomal proteins, known as peroxins (PEXs), control peroxisome biogenesis and degradation. Various mutations in the PEX genes are genetic causes for the development of inheritable peroxisomal-biogenesis disorders, such as Zellweger syndrome. Among the peroxins, PEX1 defects are the most common mutations in Zellweger syndrome. PEX1 is an AAA-ATPase that regulates the recycling of PEX5, which is essential for importing peroxisome matrix proteins. However, the post-transcriptional regulation of PEX1 is largely unknown. Here, we showed that heterogeneous nuclear ribonucleoprotein A1 (HNRNPA1) controls PEX1 expression. In addition, we found that depletion of HNRNPA1 induces autophagic degradation of peroxisome, which is blocked in ATG5-knockout cells. In addition, depletion of HNRNPA1 increased peroxisomal ROS levels. Inhibition of the generation of peroxisomal ROS by treatment with NAC significantly suppressed pexophagy in HNRNPA1-deficient cells. Taken together, our results suggest that depletion of HNRNPA1 increases peroxisomal ROS and pexophagy by downregulating PEX1 expression. (c) 2021 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). | Park, Na Yeon; Jo, Doo Sin; Park, So Jung; Lee, Heejin; Bae, Ji-Eun; Hong, Youlim; Kim, Joon Bum; Kim, Yong Hwan; Park, Hyun Jun; Choi, Ji Yeon; Lee, Ha Jung; Ryoo, Zae Young; Lee, Hyun-Shik; Kim, Jin Cheon; Lee, Eun Kyung; Cho, Dong-Hyung | Kyungpook Natl Univ, Sch Life Sci, BK21 FOUR KNU Creat BioRes Grp, Daegu 41566, South Korea; Univ Cambridge, Cambridge Inst Med Res, Dept Med Genet, Cambridge, England; Catholic Univ Korea, Dept Biochem, Coll Med, Seoul 06591, South Korea; Kyungpook Natl Univ, Brain Sci & Engn Inst, Daegu 41566, South Korea; Univ Ulsan, Coll Med, Dept Surg, 88,Olymp Ro 43 Gil, Seoul, South Korea; Asan Med Ctr, 88,Olymp Ro 43 Gil, Seoul, South Korea | ; Bin Kim, Hong/J-5452-2012; Kim, Jihyun/F-6940-2013; RYOO, ZAEYOUNG/AAQ-1573-2020; Kim, Joon/ADP-8066-2022; Choi, Hye Rin/JDV-9065-2023 | 57190609826; 56335489800; 58839092700; 57221856524; 57190605352; 57196345291; 57190611030; 57204676401; 57209409221; 57219085234; 57221856423; 16937104900; 16316010200; 55664401800; 55929727300; 35093684400 | leeek@catholic.ac.kr;chodong03@gmail.com; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 545 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.45 | 2025-07-30 | 10 | 7 | HNRNPA1; PEX1; Pexophagy; ROS | METABOLISM | HNRNPA1; PEX1; Pexophagy; ROS | ATPases Associated with Diverse Cellular Activities; Autophagy-Related Protein 5; Cells, Cultured; Down-Regulation; Gene Knockout Techniques; HCT116 Cells; HeLa Cells; Heterogeneous Nuclear Ribonucleoprotein A1; Humans; Macroautophagy; Membrane Proteins; Peroxisomes; Reactive Oxygen Species; RNA Processing, Post-Transcriptional; RNA, Messenger; Zellweger Syndrome; acetylcysteine; autophagy related protein 5; heterogeneous nuclear ribonucleoprotein A1; messenger RNA; peroxin; peroxin 1; reactive oxygen metabolite; unclassified drug; AAA protein; ATG5 protein, human; autophagy related protein 5; heterogeneous nuclear ribonucleoprotein A1; hnRNPA1 protein, human; membrane protein; messenger RNA; PEX1 protein, human; reactive oxygen metabolite; Article; controlled study; down regulation; gene expression regulation; gene knockout; HCT 116 cell line; HeLa cell line; human; human cell; oxidative stress; pexophagy; protein analysis; protein deficiency; protein depletion; protein expression; cell culture; genetics; macroautophagy; metabolism; peroxisome; physiology; RNA processing; Zellweger syndrome | English | 2021 | 2021-03-19 | 10.1016/j.bbrc.2021.01.083 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Groundwater potential assessment as a preliminary step to solving water scarcity challenges in Ekpoma, Edo State, Nigeria | Water scarcity is a major challenge around the world, particularly in Ekpoma community, Edo State, Nigeria. The population depends on water vendors and reservoir tanks as a means of water supply. This study aims to make an assessment of groundwater potentials for effective and sustainable water resources management in Ekpoma. Seven criteria were considered to determine groundwater potentiality including slope, rainfall, land use, drainage density, distance to lineament, soil, and geology. According to their impact on groundwater, the parameters were grouped into fuzzy membership categories. The groundwater potentiality map was generated by overlaying the fuzzy members. Of the 101.2 km(2) area of Ekpoma, the high, medium, and low potential zones cover 7.9, 6.4, and 85.7% of the total area, respectively. High and medium groundwater zones were identified mostly on the outskirt of the built-up areas. These groundwater potential areas were discovered to be predominant around the lineament areas suggesting that lineament plays a major role in the potential for groundwater in the study area. Reservoirs can be assigned in these high potential areas. Conclusively, the generated groundwater prospective map can be exploited for hydrological policy making and also by water supply engineers to predict the availability of groundwater. | Ajibade, Fidelis Odedishemi; Olajire, Olabanji Olatona; Ajibade, Temitope Fausat; Fadugba, Olaolu George; Idowu, Temitope Ezekiel; Adelodun, Bashir; Opafola, Omobolaji Taofeek; Lasisi, Kayode Hassan; Adewumi, James Rotimi; Quoc Bao Pham | Fed Univ Technol Akure, Dept Civil & Environm Engn, PMB 704, Akure, Nigeria; Univ Chinese Acad Sci, Beijing 100049, Peoples R China; Fed Univ Technol Akure, Ctr Space Res & Applicat, Akure, Nigeria; Obafemi Awolowo Univ, African Reg Ctr Space Sci & Technol Educ English, Ife, Nigeria; Tech Univ Kenya, Dept Civil Sr Construct Engn, POB 52428-00200, Nairobi, Kenya; Kyungpook Natl Univ, Dept Agr Civil Engn, Daegu, South Korea; Univ Ilorin, Dept Agr & Biosyst Engn, PMB 1515, Ilorin, Nigeria; Olabisi Onabanjo Univ, Dept Civil Engn, Ago Iwoye, Ogun State, Nigeria; Thu Dau Mot Univ, Inst Appl Technol, Thu Dau Mot, Binh Duong Prov, Vietnam | Ajibade, Fidelis/D-7893-2019; Opafola, Omobolaji/GOP-3419-2022; Adelodun, Bashir/O-2941-2018; Idowu, Temitope/AAF-7154-2020; LASISI, KAYODE HASSAN/ABE-7169-2021; Pham, Quoc/AAD-5611-2020; Lasisi, Kayode Hassan/ABE-7169-2021 | 57190341647; 57216782951; 57208594522; 57212380624; 57194585450; 57193774482; 57215084320; 57208598946; 26031266400; 57208495034 | phambaoquoc@tdmu.edu.vn; | ACTA GEOPHYSICA | ACTA GEOPHYS | 1895-6572 | 1895-7455 | 69 | 4 | SCIE | GEOCHEMISTRY & GEOPHYSICS | 2021 | 2.293 | 53.5 | 2.24 | 2025-07-30 | 19 | 22 | GIS; Groundwater potential; Water scarcity; Fuzzy logic; Nigeria | ANALYTIC HIERARCHY PROCESS; HARD-ROCK TERRAIN; LANDFILL SITE SELECTION; FUZZY-LOGIC; INTEGRATED APPROACH; RIVER-BASIN; GIS; ZONES; DELINEATION; INFORMATION | Fuzzy logic; GIS; Groundwater potential; Nigeria; Water scarcity | Edo; Nigeria; Groundwater; Land use; Underground reservoirs; Water conservation; Water supply; Built-up areas; Drainage density; Fuzzy members; Fuzzy membership; Groundwater potentials; High potential; Sustainable water resources; Water scarcity; assessment method; fuzzy mathematics; GIS; groundwater resource; resource scarcity; water supply; Groundwater resources | English | 2021 | 2021-08 | 10.1007/s11600-021-00611-8 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |
| ○ | ○ | Article | Impact of chlorogenic acid on modulation of significant genes in dermal fibroblasts and epidermal keratinocytes | Chlorogenic acid is one of the most abundant polyphenols found in human diet. It is well-documented that chlorogenic acid has a significant impact on human cells, especially in the regulation of inflammation and metabolic processes. However, its role in regulating skin functions, especially with respect to the dermal collagen network or epidermal skin barrier, has not yet been elucidated. Here, we report that chlorogenic acid treatment can induce production of procollagen type I in human dermal fibroblast, Hs68 cell lines. Moreover, this treatment can stimulate upregulation of skin barrier genes, including the ones encoding filaggrin (FLG), involucrin (IVL), and envoplakin (EVPL), in epidermal keratinocytes. Chlorogenic acid also triggered a multifaceted response in the cytokine profile of keratinocytes. Therefore, we suggest that chlorogenic acid can be used to restore the impaired dermal matrix network as well as the epidermal skin barrier. (c) 2021 Elsevier Inc. All rights reserved. | Lee, Kyung-Ha; Do, Hwan-Kwon; Kim, Do-Yeon; Kim, Wanil | Daegu Haany Univ, Dept Cosmet Sci & Technol, Gyongsan 38610, South Korea; Inje Univ, Haeundae Paik Hosp, Coll Med, Dept Phys Med & Rehabil, Busan 48108, South Korea; Kyungpook Natl Univ, Sch Dent, Dept Pharmacol, Daegu 41940, South Korea; Gyeongsang Natl Univ, Coll Med, Dept Convergence Med Sci, Dept Biochem, Jinju 52727, South Korea; Gyeongsang Natl Univ, Coll Med, Inst Hlth Sci, Jinju 52727, South Korea | ; Lee, Kyung-Ha/GRY-2640-2022; Kim, Do-Yeon/AET-3021-2022 | 54967786000; 57194657282; 57203012542; 7405813437 | wkim@gnu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 583 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 2.08 | 2025-07-30 | 31 | 33 | Chlorogenic acid; Dermal protein matrix; Epidermal skin barrier; Collagen; Skin barrier genes | PERIPLAKIN; INVOLUCRIN; ENVOPLAKIN | Chlorogenic acid; Collagen; Dermal protein matrix; Epidermal skin barrier; Skin barrier genes | chlorogenic acid; cytokine; envoplakin; filaggrin; involucrin; procollagen; procollagen type I; unclassified drug; Article; collagen synthesis; controlled study; cutaneous parameters; cytokine release; dermal matrix network; epidermis; EVPL gene; fibroblast cell line; FLG gene; gene expression regulation; HaCat cell line; Hs68 cell line; human; human cell; IVL gene; keratinocyte; permeability barrier; real time polymerase chain reaction; skin fibroblast; skin permeability; upregulation | English | 2021 | 2021-12-17 | 10.1016/j.bbrc.2021.10.057 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | In vivo evaluation of PEGylated-liposome encapsulating gadolinium complexes for gadolinium neutron capture therapy | Gadolinium neutron capture therapy (GdNCT) is a form of binary radiotherapy. It utilizes nuclear reactions that occur when gadolinium-157 is irradiated with thermal neutrons, producing high-energy g-rays and Auger electrons. Herein, we evaluate the potential of GdNCT for cancer treatment using PEGylated liposome incorporated with an FDA-approved MRI contrast agent. The clinical gadolinium complex (Gadovist (R)) was successfully encapsulated inside the aqueous core of PEGylated liposomes by repeated freeze and thaw cycling. At a concentration of 152 mu M Gd, the Gd-liposome showed high cytotoxicity upon thermal-neutron irradiation. In animal experiments, when a CT26 tumor model was administered with Gd-liposomes (19 mg Gd-157 per kg) followed by 20-min irradiation of thermal neutron at a flux of 1.94 x 10(4) cm(-2) s(-1), tumor growth was suppressed by 43%, compared to that in the control group, on the 23rd day of post-irradiation. After two-cycle GdNCT treatment at a 10-day interval, tumor growth was more efficiently retarded. On the 31st day after irradiation, the weight of the excised tumor in the GdNCT group (38 mg Gd-157 per kg per injection) was only 30% of that of the control group. These results demonstrate the potential of GdNCT using PEGylated liposomes containing MRI contrast agents in cancer treatment. (C) 2021 Elsevier Inc. All rights reserved. | Lee, Woonghee; Jung, Ki-Hye; Park, Ji-Ae; Kim, Jung Young; Lee, Yong Jin; Chang, Yongmin; Yoo, Jeongsoo | Kyungpook Natl Univ, Brain Korea Four KNU Convergence Educ Program Bio, Dept Mol Med, Daegu 41944, South Korea; Korea Inst Radiol & Med Sci, Div Appl RI, Seoul 01812, South Korea | Kim, Kyunghoon/AGO-0079-2022 | 55881469700; 53865234900; 16319690600; 7601371677; 56498070500; 7501840633; 8215136400 | yooj@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 568 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.74 | 2025-07-30 | 11 | 12 | Gadolinium neutron capture therapy; Liposome; Tumor therapy; Radiotherapy | BORON; NANOPARTICLES; SUPPRESSION | Gadolinium neutron capture therapy; Liposome; Radiotherapy; Tumor therapy | Animals; Cell Line, Tumor; Female; Gadolinium; Humans; Isotopes; Liposomes; Mice, Inbred BALB C; Neoplasms; Neutron Capture Therapy; Polyethylene Glycols; contrast medium; liposome; polyethylene; gadolinium; Gadolinium-157; isotope; liposome; macrogol; animal cell; animal experiment; animal model; animal tissue; Article; cancer inhibition; cancer radiotherapy; controlled study; CT26 cell line; cytotoxicity; encapsulation; female; freeze thawing; gadolinium neutron capture therapy; in vivo study; mouse; neutron radiation; nonhuman; nuclear magnetic resonance imaging; radiation dose; tumor growth; tumor volume; animal; Bagg albino mouse; chemistry; human; neoplasm; neutron capture therapy; procedures; tumor cell line | English | 2021 | 2021-09-03 | 10.1016/j.bbrc.2021.06.045 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Pax9 is essential for granulopoiesis but dispensable for erythropoiesis in zebrafish | Paired Box (Pax) gene family, a group of transcription regulators have been implicated in diverse physiological processes. However, their role during hematopoiesis which generate a plethora of blood cells remains largely unknown. Using a previously reported single cell transcriptomics data, we analyzed the expression of individual Pax family members in hematopoietic cells in zebrafish. We have identified that Pax9, which is an essential regulator for odontogenesis and palatogenesis, is selectively localized within a single cluster of the hematopoietic lineage. To further analyze the function of Pax9 in hematopoiesis, we generated two independent pax9 knock-out mutants using the CRISPR-Cas9 technique. We found that Pax9 appears to be an essential regulator for granulopoiesis but dispensable for erythropoiesis during development, as lack of pax9 selectively decreased the number of neutrophils with a concomitant decrease in the expression level of neutrophil markers. In addition, embryos, where pax9 was functionally disrupted by injecting morpholinos, failed to increase the number of neutrophils in response to pathogenic bacteria, suggesting that Pax9 is not only essential for developmental granulopoiesis but also emergency granulopoiesis. Due to the inability to initiate emergency granulopoiesis, innate immune responses were severely compromised in pax9 morpholino-mediated embryos, increasing their susceptibility and mortality. Taken together, our data indicate that Pax9 is essential for granulopoiesis and promotes innate immunity in zebrafish larvae. (C) 2020 The Authors. Published by Elsevier Inc. | Pak, Boryeong; Schmitt, Chris E.; Oh, Sera; Kim, Jun-Dae; Choi, Woosoung; Han, Orjin; Kim, Minjung; Kim, Myoung-Jin; Ham, Hyung-Jin; Kim, Shanghyeon; Huh, Tae-Lin; Kim, Jae-Il; Jin, Suk-Won | Gwangju Inst Sci & Technol, Cell Logist Res Ctr, Gwangju, South Korea; Gwangju Inst Sci & Technol, Sch Life Sci, Gwangju, South Korea; Yale Univ, Sch Med, Dept Internal Med, Yale Cardiovasc Res Ctr, New Haven, CT 06511 USA; Yale Univ, Sch Med, Dept Internal Med, Sect Cardiovasc Med, New Haven, CT 06511 USA; Univ N Carolina, Curriculum Genet & Mol Biol, Chapel Hill, NC 27599 USA; Houston Methodist Res Inst, Ctr Cardiovasc Regenerat, Dept Cardiovasc Sci, Houston, TX USA; Kyungpook Natl Univ, Sch Life Sci & Biotechnol, Daegu, South Korea | ; Choi, Woosoung/ABF-2933-2020; Kim, Heui-Soo/ABF-3773-2021 | 57191860855; 56651091600; 57220159017; 15843685700; 57220163803; 57218380589; 57210415658; 57191626729; 55243812200; 57204477515; 7007119367; 35956476300; 7401821998 | sukwonjin@gist.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 534 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.37 | 2025-07-30 | 7 | 6 | Paired box; Emergency granulopoiesis; Zebrafish; Innate immunity; pax9 | PROGENITOR; GENES; DOMAIN | Emergency granulopoiesis; Innate immunity; Paired box; pax9; Zebrafish | Animals; Animals, Genetically Modified; Bacterial Infections; CRISPR-Cas Systems; Erythropoiesis; Gene Expression Regulation, Developmental; Gene Knockout Techniques; Granulocytes; Immunity, Innate; Myelopoiesis; PAX9 Transcription Factor; Zebrafish; Zebrafish Proteins; cell marker; transcription factor PAX9; pax9 protein, zebrafish; transcription factor PAX9; zebrafish protein; animal cell; animal experiment; animal model; Article; bacterium; cell differentiation; cell lineage; controlled study; CRISPR-CAS9 system; developmental disorder; disease predisposition; disease severity; embryo; erythropoiesis; gene disruption; gene function; gene knockout; granulopoiesis; hematopoietic stem cell; innate immunity; larva; mortality; neutrophil count; nonhuman; organogenesis; palatogenesis; pax9 gene; priority journal; protein localization; tooth development; zebra fish; animal; bacterial infection; CRISPR Cas system; embryology; erythropoiesis; gene expression regulation; genetics; granulocyte; immunology; myelopoiesis; physiology; transgenic animal | English | 2021 | 2021-01-01 | 10.1016/j.bbrc.2020.11.077 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Structural analysis of the peptidoglycan editing factor PdeF from Bacillus cereus ATCC 14579 | The coding gene for peptidoglycan editing factor (pdeF) is located in the division and cell wall (dcw) cluster, and encodes a protein that has an editing function for misplaced amino acids in peptidoglycan in E. coli. In this study, we determined the crystal structure of PdeF from Bacillus cereus (BcPdeF) at a 1.60 angstrom resolution. BcPdeF exists as a monomer in solution and consists of two domains: a core domain containing a Pfam motif DUF152 and a smaller subdomain. The X-ray fluorescence spectrum of BcPdeF crystal elucidated that the protein has a Zn2+ ion in its active site and the metal ion was coordinated by two histidine and one cysteine residue. We also performed docking calculations of the N-acetylmuramate (MurNAc)-L-Ser-D-iGlu ligand in the BcPdeF structure and revealed the substrate binding mode of the enzyme. Furthermore, structural comparisons between BcPdeF and human fatty acid metabolism-immunity nexus (FAMIN), which also contains the DUF152 motif in its core domain, provided a structural basis how the two structurally similar proteins have completely different physiological functions. (C) 2021 Elsevier Inc. All rights reserved. | Seok, Jihye; Hong, Jiyeon; Park, Jiyoung; Kim, Kyung-Jin | Kyungpook Natl Univ, Sch Life Sci, BK21 FOUR KNU Creat BioRes Grp, Daegu 41566, South Korea; Kyungpook Natl Univ, KNU Inst Microorganisms, Daehak Ro 80, Daegu 41566, South Korea | Park, Jiyoung/MVY-3895-2025; Kim, Kyung-Jin/MVY-3405-2025 | 57216545714; 57205354591; 56188468900; 55510867400 | kkim@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 583 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.22 | 2025-07-30 | 2 | 3 | PdeF; Bacillus cereus, FAMIN; FAMIN; Peptidoglycan editing factor | Bacillus cereus, FAMIN; PdeF; Peptidoglycan editing factor | bacterial protein; cysteine; histidine; ligand; monomer; peptidoglycan editing factor; unclassified drug; zinc ion; Article; Bacillus cereus; crystal structure; enzyme active site; enzyme activity; enzyme substrate complex; molecular docking; nonhuman; protein domain; protein function; protein motif; protein structure; structure analysis; X ray fluorescence spectrometry | English | 2021 | 2021-12-17 | 10.1016/j.bbrc.2021.10.051 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Structural basis for substrate recognition of glucose-6-phosphate dehydrogenase from Kluyveromyces lactis | Glucose-6-phosphate dehydrogenase is the first enzyme in the pentose phosphate pathway. The reaction catalyzed by the enzyme is considered to be the main source of reducing power for nicotinamide adenine dinucleotide phosphate (NADPH) and is a precursor of 5-carbon sugar used by cells. To uncover the structural features of the enzyme, we determined the crystal structures of glucose-6-phosphate dehydrogenase from Kluyveromyces lactis (KlG6PD) in both the apo form and a binary complex with its substrate glucose-6-phosphate. KlG6PD contains a Rossman-like domain for cofactor NADPH binding; it also presents a typical antiparallel beta sheet at the C-terminal domain with relatively the same pattern as those of other homologous structures. Moreover, our structural and biochemical analyses revealed that Lys153 contributes significantly to substrate G6P recognition. This study may provide insights into the structural variation and catalytic features of the G6PD enzyme. (C) 2021 Elsevier Inc. All rights reserved. | Vu, Hong Ha; Jin, Chaewon; Chang, Jeong Ho | Kyungpook Natl Univ, Dept Biol Educ, Daegu 41566, South Korea; Kyungpook Natl Univ, Dept Biomed Convergence Sci & Technol, Daehak Ro 80, Daegu 41566, South Korea | 57222482871; 57222486080; 57203598905 | jhcbio@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 553 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.45 | 2025-07-30 | 6 | 7 | Glucose-6-phosphate dehydrogenase; G6P; Pentose phosphate pathway; Kluyveromyces lactis | HUMAN ERYTHROCYTE GLUCOSE-6-PHOSPHATE-DEHYDROGENASE; GENE; METABOLISM; MECHANISM | G6P; Glucose-6-phosphate dehydrogenase; Kluyveromyces lactis; Pentose phosphate pathway | Amino Acid Sequence; Apoenzymes; Binding Sites; Catalytic Domain; Crystallography, X-Ray; Glucosephosphate Dehydrogenase; Kinetics; Kluyveromyces; Models, Molecular; Mutagenesis; Structure-Activity Relationship; Substrate Specificity; glucose 6 phosphate; glucose 6 phosphate dehydrogenase; lysine; reduced nicotinamide adenine dinucleotide phosphate; apoenzyme; glucose 6 phosphate dehydrogenase; amino terminal sequence; Article; beta sheet; binding site; carboxy terminal sequence; catalytic efficiency; controlled study; crystal structure; enzyme kinetics; enzyme structure; enzyme substrate; hydrogen bond; Kluyveromyces lactis; maximum reaction velocity; Michaelis constant; nonhuman; priority journal; protein binding; protein conformation; turnover number; amino acid sequence; chemistry; enzyme active site; enzyme specificity; enzymology; genetics; kinetics; Kluyveromyces; metabolism; molecular model; mutagenesis; structure activity relation; X ray crystallography | English | 2021 | 2021-05-14 | 10.1016/j.bbrc.2021.02.088 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | V-9302 inhibits proliferation and migration of VSMCs, and reduces neointima formation in mice after carotid artery ligation | Rapidly proliferating cells such as vascular smooth muscle cells (VSMCs) require metabolic programs to support increased energy and biomass production. Thus, targeting glutamine metabolism by inhibiting glutamine transport could be a promising strategy for vascular disorders such as atherosclerosis, stenosis, and restenosis. V-9302, a competitive antagonist targeting the glutamine transporter, has been inves-tigated in the context of cancer; however, its role in VSMCs is unclear. Here, we examined the effects of blocking glutamine transport in fetal bovine serum (FBS)-or platelet-derived growth factor (PDGF)-stimulated VSMCs using V-9302. We found that V-9302 inhibited mTORC1 activity and mitochondrial respiration, thereby suppressing FBS-or PDGF-stimulated proliferation and migration of VSMCs. More-over, V-9302 attenuated carotid artery ligation-induced neointima in mice. Collectively, the data suggest that targeting glutamine transport using V-9302 is a promising therapeutic strategy to ameliorate occlusive vascular disease. (c) 2021 Published by Elsevier Inc. | Park, Hyeon Young; Kim, Mi-Jin; Kim, Ye Jin; Lee, Seunghyeong; Jin, Jonghwa; Lee, Sungwoo; Choi, Yeon-Kyung; Park, Keun-Gyu | Kyungpook Natl Univ, Grad Sch, Dept Biomed Sci, Daegu 41566, South Korea; Kyungpook Natl Univ, Sch Med, BIC21 FOUR KNU Convergence Educ Program Biomed Sc, Daegu 41566, South Korea; Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Dept Internal Med, Daegu 41944, South Korea; Kyungpook Natl Univ, Res Inst Aging & Metab, Daegu 41566, South Korea; Daegu Gyeongbuk Med Innovat Fdn, New Drug Dev Ctr, Daegu 41061, South Korea | 57223237652; 56984392800; 57207443325; 57204501802; 57223246243; 57189250997; 35335932600; 57202558343 | ykchoi@knu.ac.kr;kpark@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 560 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.52 | 2025-07-30 | 9 | 8 | Vascular smooth muscle cells; mTORC1; V-9302; Glutamine metabolism | SMOOTH-MUSCLE-CELL; AMINO-ACID TRANSPORTERS; GLUTAMINE UPTAKE; METABOLISM; LEUCINE; EXPRESSION; PATHOLOGY; GROWTH; STENT; MTOR | Glutamine metabolism; mTORC1; V-9302; Vascular smooth muscle cells | Amino Acid Transport System A; Animals; Carotid Arteries; Cell Cycle; Cell Movement; Cell Proliferation; Cell Respiration; Cells, Cultured; Ligation; Male; Mechanistic Target of Rapamycin Complex 1; Mice, Inbred C57BL; Mitochondria; Muscle, Smooth, Vascular; Neointima; Platelet-Derived Growth Factor; Rats, Sprague-Dawley; Serum Albumin, Bovine; 2 amino 4 bis(aryloxybenzyl)aminobutanoic acid; aminobutyric acid derivative; antimitotic agent; glutamine; mammalian target of rapamycin complex 1; platelet derived growth factor; unclassified drug; v 9302; amino acid transporter; bovine serum albumin; mammalian target of rapamycin complex 1; platelet derived growth factor; Slc38a2 protein, mouse; amino acid metabolism; amino acid transport; animal cell; animal experiment; animal model; animal tissue; antiproliferative activity; artery intima proliferation; Article; carotid artery ligation; cell migration; cell proliferation; controlled study; fetal bovine serum; male; mitochondrial respiration; mouse; neointima; nonhuman; priority journal; vascular smooth muscle cell; animal; C57BL mouse; carotid artery; cell culture; cell cycle; cell motion; cell proliferation; cell respiration; drug effect; ligation; metabolism; mitochondrion; neointima; pathology; Sprague Dawley rat; surgery; vascular smooth muscle | English | 2021 | 2021-06-30 | 10.1016/j.bbrc.2021.04.079 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | |||
| ○ | ○ | Article | Xenopus chip for single-egg trapping, in vitro fertilization, development, and tadpole escape | Xenopus laevis is highly suitable as a toxicology animal model owing to its advantages in embryogenesis research. For toxicological studies, a large number of embryos must be handled simultaneously because they very rapidly develop into the target stages within a short period of time. To efficiently handle the embryos, a convenient embryo housing device is essential for fast and reliable assessment and statistical evaluation of malformation caused by toxicants. Here, we suggest 3D fabrication of single-egg trapping devices in which Xenopus eggs are fertilized in vitro, and the embryos are cultured. We used manual pipetting to insert the Xenopus eggs inside the trapping sites of the chip. By introducing a liquid circu-lating system, we connected a sperm-mixed solution with the chip to induce in vitro fertilization of the eggs. After the eggs were fertilized, we observed embryo development involving the formation of egg cleavage, blastula, gastrula, and tadpole. After the tadpoles grew inside the chip, we saved their lives by enabling their escape from the chip through reverse flow of the culture medium. The Xenopus chip can serve as an incubator to induce fertilization and monitor normal and abnormal development of the Xenopus from egg to tadpole. (c) 2021 Elsevier Inc. All rights reserved. | Nam, Sung-Wook; Chae, Jeong-Pil; Kwon, Yong Hwan; Son, Mi-Young; Bae, Jae-sung; Park, Mae-Ja | Kyungpook Natl Univ, Sch Med, Dept Mol Med, Daegu 41405, South Korea; Kyungpook Natl Univ, Brain Sci & Engn Inst, Daegu 41404, South Korea; Kyungpook Natl Univ, Sch Med, Dept Internal Med, Daegu 41404, South Korea; Korea Res Inst Biosci & Biotechnol KRIBB, Daejeon 34141, South Korea; Kyungpook Natl Univ, Sch Med, Dept Physiol, Daegu 41944, South Korea; Kyungpook Natl Univ, Sch Med, Dept Anat, Daegu 41944, South Korea | Nam, Sung-Wook/V-5519-2019; Bae, Jae-sung/AAM-8663-2021 | 16167127700; 35992204000; 55775556800; 7004301289; 35209510400; 7404491223 | nams@knu.ac.kr; | BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | BIOCHEM BIOPH RES CO | 0006-291X | 1090-2104 | 569 | SCIE | BIOCHEMISTRY & MOLECULAR BIOLOGY;BIOPHYSICS | 2021 | 3.322 | 53.5 | 0.15 | 2025-07-30 | 3 | 3 | Xenopus laevis; Embryogenesis; In vitro fertilization; Biochip; Tadpole trapping | MICROFLUIDICS; NANOCHANNELS; TOXICITY; AXIS; FISH | Biochip; Embryogenesis; In vitro fertilization; Tadpole trapping; Xenopus laevis | Animals; Blastula; Cell Division; Embryo, Nonmammalian; Female; Fertilization in Vitro; Gastrula; Larva; Locomotion; Male; Oocytes; Xenopus laevis; adult; animal cell; animal experiment; animal tissue; Article; blastula; development; embryo; embryo culture; embryo development; female; gastrula; in vitro fertilization; male; nonhuman; oocyte cleavage; procedures; single egg trapping; tadpole; Xenopus laevis; animal; cell division; cytology; devices; embryology; growth, development and aging; in vitro fertilization; larva; locomotion; nonmammalian embryo; oocyte; physiology | English | 2021 | 2021-09-10 | 10.1016/j.bbrc.2021.06.049 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Effect of glazing configuration as an energy-saving strategy in naturally ventilated greenhouses for strawberry (Seolhyang sp.) cultivation | Strawberry cultivation is highly dependent on environmental parameters and energy in winter. Two gothic greenhouses with different glazing material combinations, i.e. polyolefin-thermal screen (PoTS) and polyolefin-thermal screen-polyethylene (PoTSPe), were used for strawberry cultivation. The energy-saving capabilities of the two configurations and their impact on the microclimates of the greenhouses were investigated. Temperature, relative humidity, vapor pressure deficit, leaf temperature, and solar radiation over the experimental period in the PoTS greenhouse were 13.0 +/- 2.3 degrees C, 75.8 +/- 6.5%, 0.4 +/- 0.1 kPa, 13.6 +/- 1.7 degrees C, and 168.8 +/- 82.3W/m(2), respectively, whereas in the PoTSPe setup they were 13.1 +/- 2.3 degrees C, 80.0 +/- 5.7%, 0.3 +/- 0.1 kPa, 13.5 +/- 1.6 degrees C, and 183.1 +/- 90.5 W/m(2). The mean fuel consumption by the PoTS and PoTSPe greenhouses were 5.5 and 3.5 L, respectively. The performance analysis shows that both greenhouses were able to maintain the environmental parameters and leaf temperature within the recommended ranges, although more energy was consumed with PoTS. A higher yield was obtained in the PoTS greenhouse, which, however, was not significantly different from the PoTSPe yield. | Akpenpuun, Timothy Denen; Na, Wook Ho; Ogunlowo, Qazeem Opeyemi; Rabiu, Anis; Adesanya, Misbaudeen Aderemi; Addae, Kwame Sasu; Kim, Hyeon Tae; Lee, Hyun-Woo | Univ Ilorin, Dept Agr & Biosyst Engn, Ilorin, Nigeria; Kyungpook Natl Univ, Smart Agr Innovat Ctr, Daegu 702701, South Korea; Kyungpook Natl Univ, Coll Agr & Life Sci, Dept Agr Civil Engn, Daegu 702701, South Korea; Fed Coll Agr, Moor Plantat, Ibadan, Nigeria; Kwahu South Municipal, Dept Agr, Kwahu, Mpraeso, Ghana; Gyeongsang Natl Univ, Dept Bioind Machinery Engn, Inst Agr & Life Sci, Jinju, South Korea | ; Adesanya, Misbaudeen/AAA-4664-2022; Akpenpuun, Timothy/AAE-1168-2020; OGUNLOWO, QAZEEM/ABB-5386-2021; RABIU, Anis/JXO-1947-2024 | 57194448083; 57211208368; 57265471800; 57264527100; 57264527200; 57264347700; 8662923200; 57209160180 | whlee@knu.ac.kr; | JOURNAL OF AGRICULTURAL ENGINEERING | J AGRIC ENG-ITALY | 1974-7071 | 2239-6268 | 52 | 2 | SCIE | AGRICULTURAL ENGINEERING | 2021 | 1.727 | 53.6 | 0.74 | 2025-07-30 | 8 | 11 | Fuel consumption; humidity; microclimate; temperature; winter | VAPOR-PRESSURE DEFICIT; MICROCLIMATE; GROWTH; FLORICULTURE; TEMPERATURE; TOMATO | Fuel consumption; humidity; microclimate; temperature; winter | English | 2021 | 2021 | 10.4081/jae.2021.1177 | 바로가기 | 바로가기 | 바로가기 | 바로가기 | ||
| ○ | ○ | Article | Measurement of longwave radiative properties of energy-saving greenhouse screens | Light intensity, temperature, and humidity are key factors affecting photosynthesis, respiration, and transpiration. Among these factors, temperature is a crucial parameter to establish an optimal greenhouse climate. Temperature can be controlled by using an appropriate climate screen, which has a considerable impact on crop quantity and quality. The precise measurements of longwave radiative properties of screens are vital to the selection of the most suitable screen for greenhouses so that the desired temperature and a favorable environment can be provided to plants during nighttime. The energy-saving capability of screens can also be calculated by using these properties as inputs in a physical model. Two approaches have been reported so far in the literature for the measurement of these properties, i.e., spectrophotometry and wideband radiometry. In this study, we proposed some modified radiation balance methods for determining the total hemispherical longwave radiative properties of different screens by using wide-band radiometers. The proposed method is applicable to materials having zero porosity, partial opacity, and asymmetric screens with 100% solidity. These materials were not studied previously under natural conditions. The existing and proposed methods were applied and compared, and it was found that the radiometric values obtained from the developed methodology were similar to those previously reported in the literature, whereas the existing method gave unstable results with zero reflectance. | Rafiq, Adeel; Na, Wook Ho; Rasheed, Adnan; Lee, Jong Won; Kim, Hyeon Tae; Lee, Hyun Woo | Kyungpook Natl Univ, Dept Agr Engn, Daegu 41566, South Korea; Kyungpook Natl Univ, Smart Agr Innovat Ctr, Daegu, South Korea; Korea Natl Coll Agr & Fisheries, Dept Hort Environm Syst, Jeonju Si, South Korea; Gyeongsang Natl Univ, Dept Bioind Machinery Engn, Jinju, South Korea | ; Rasheed, Adnan/ABE-6624-2021 | 57225109772; 57211208368; 56080100700; 50062247400; 8662923200; 57209160180 | whlee@knu.ac.kr; | JOURNAL OF AGRICULTURAL ENGINEERING | J AGRIC ENG-ITALY | 1974-7071 | 2239-6268 | 52 | 3 | SCIE | AGRICULTURAL ENGINEERING | 2021 | 1.727 | 53.6 | 0.4 | 2025-07-30 | 6 | 6 | Emittance; net radiometer; pyrgeometer; sky temperature; solidity; transmittance | RADIOMETRIC PROPERTIES; HEAT-LOSSES; SOLAR; REDUCTION | Emittance; net radiometer; pyrgeometer; sky temperature; solidity; transmittance | English | 2021 | 2021 | 10.4081/jae.2021.1209 | 바로가기 | 바로가기 | 바로가기 | 바로가기 |
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