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Metabolic relationships between marine red algae and algae‑associated bacteria

Marine Life Science & Technology 2024年第2期6卷 298-314页

作者： Kyung Hyun Kim Jeong Min Kim ju hye baek Sang Eun Jeong Hocheol Kim Hwan Su Yoon Che Ok Jeon Department of Biological Sciences and Biotechnology Hannam UniversityDaejon 34054Republic of Korea Department of Life Science Chung-Ang UniversitySeoul 06974Republic of Korea Department of Biological Sciences Sungkyunkwan UniversitySuwon 16419Republic of Korea

Mutualistic interactions between marine phototrophs and associated bacteria are an important strategy for their success-ful survival in the ocean,but little is known about their metabolic ***,bacterial communities in the algal sphere(AS)and bulk solution(BS)of nine marine red algal cultures were analyzed,and Roseibium and Phycisphaera were identified significantly more abundantly in AS than in *** metabolic features of Roseibium RMAR6-6(isolated and genome-sequenced),Phycisphaera MAG 12(obtained by metagenomic sequencing),and a marine red alga,Porphyridium purpureum CCMP1328(from GenBank),were analyzed ***6-6 has the genetic capability to fix nitrogen and produce B vitamins(B1,B2,B5,B6,B9,and B12),bacterioferritin,dimethylsulfoniopropionate(DMSP),and phenylacetate that may enhance algal growth,whereas MAG 12 may have a limited metabolic capability,not producing vitamins B9 and B12,DMSP,phenylacetate,and siderophores,but with the ability to produce bacitracin,possibly modulating algal *** CCMP1328 lacks the genetic capability to fix nitrogen and produce vitamin B12,DMSP,phenylacetate,and *** was shown that the nitrogen-fixing ability of RMAR6-6 promoted the growth of ***-pureum,and DMSP reduced the oxidative stress of *** metabolic interactions between strain RMAR6-6 and *** CCMP1328 were also investigated by the transcriptomic analyses of their monoculture and *** together,potential metabolic relationships between Roseibium and *** were *** study provides a bet-ter understanding of the metabolic relationships between marine algae and algae-associated bacteria for successful growth.

关键词： Metabolic relationship Marine red algae Symbiotic bacteria Roseibium Phycisphaera Porphyridium

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Development of biofertilizers for sustainable agriculture over four decades(1980-2022)

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Geography and Sustainability 2024年第1期5卷 19-28页

作者： Guangxu Zhao Xiaoling Zhu Gang Zheng Guangfan Meng Ziliang Dong ju hye baek Che Ok Jeon Yanlai Yao Yuan Hu Xuan Jie Zhang Baolei Jia Xianghu Laboratory Hangzhou 311231China School of Bioengineering State Key Laboratory of Biobased Material and Green PapermakingQilu University of Technology(Shandong Academy of Sciences)Jinan 250000China Shandong Academy of Agricultural Sciences Jinan 250000China Taiji Group Chongqing 400000China Department of Life Science Chung-Ang UniversitySeoul 06974Republic of Korea Institute of Environment ResourceSoil and FertilizersZhejiang Academy of Agricultural SciencesHangzhou 310021China State Key Laboratory of Elemento-Organic Chemistry Department of Chemical BiologyNational Pesticide Engineering Research Center(Tianjin)Nankai UniversityTianjin 300071China

The application of biofertilizers is becoming an inevitable trend to substitute chemical fertilizers for sustainable *** better understand the development of biofertilizers from 1980 to 2022,we used bibliometric mining to analyze 12,880 journal articles related to *** network cooccurrence analysis suggested that the biofertilizers research can be separated into three *** first stage(1980-2005)focused on nitrogen *** second stage(2006-2015)concentrated on the mechanisms for increasing plant *** third stage(2016-2022)was the application of biofertilizers to improve the soil *** keyword analysis revealed the mechanisms of biofertilizers to improve plant-growth:biofertilizers can impact the nutritional status of plants,regulate plant hormones,and improve soil environments and the *** bacteria use as biofertilizers,included Pseudomonas,Azospirillum,and Bacillus,were also identified through bibliometric *** findings provide critical discernment to aid further study of biofertilizers for sustainable agriculture.

关键词： Biofertilizer Plant-growth-promoting bacteria Plant-growth promoting rhizobacteria Bibliometric Research hotspots

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Making cancer fat:reprogramming of lipid metabolism by CD147 in hepatocellular carcinoma

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Chinese Journal of Cancer Research 2016年第3期28卷 380-382页

作者： hye-Lim ju Simon Weonsang Ro Institute of Gastroenterology Yonsei University College of Medicine

Over the past few years, de novo lipogenesis has taken central stage in the field of cancer metabolism （1）. Large amount of lipids is needed for synthesis of membranes, signaling molecules, lipoproteins, etc. to support rapidly growing tumor cells （2-4）. Reports have shown that neoplastic tissues show aberrant activation of de novo lipogenesis and that inhibition of different enzymes within the fatty acid biosynthesis pathway can block cancer cell growth （2,5-9）. Meanwhile, the importance of fatty acid oxidation （FAO） in cancer metabolism is being increasingly recognized. FAO is the catabolic process by which lipids are utilized to produce energy. Recent studies implicated that the key regulatory enzymes in FAO such as carnitine palmitoyltransferase 1 （CPT1） and peroxisomal acyl-coenzyme A oxidase 1 （ACOX1） regulate cancer development （10,11）.

关键词： HCC CD Making cancer fat

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Survival analysis following early surgical success in intermittent exotropia surgery

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International Journal of Ophthalmology(English edition) 2014年第3期7卷 528-533页

作者： Joo Yeon Lee Sung ju Ko Sung Uk baek Department of Ophthalmology Hallym University College of Medicine

AIM:To assess the consecutive recurrence following early success of intermittent exotropia surgery and to determine the clinical factors that affect the ***:One hundred and thirty-five patients who underwent intermittent exotropia surgery and experienced early surgical success[≤5 prism diopters(PD)esophoria(E)to≤10 PD exophoria(X)on the postoperative sixth month]were enrolled in this *** consecutive survival on the postoperative first year,second year and third year and at the last visit of fourth year or more,and the factors that might affect their survival,were *** final surgical outcomes after the postoperative fourth year were also investigated by dividing the patients into the success group(≤5 PD E to≤10 PD X)and the failure group(>5 PD esodeviation or>10 PD exodeviation)RESULTS:The survival rates from the Kaplan-Meier analysis were 97.78%,92.89%,83.70%and 50.49%on the postoperative first,second and third years and fourth year or more,*** of the clinical factors was determined to have affected the *** amount of the exodrift was largest(2.29 PD)between the first year and the second year,and smallest(1.47 PD)between the fourth year and the last ***-three patients had their final visit after the postoperative fourth year,and 29 of them were in the failure *** patients in the failure group had an intermittent exotropia(IXT)of<20 PD with good to fair distant fusion;two had an IXT of<20 PD with poor distant fusion;one had an IXT of≥20 PD with fair distant fusion;and another had delayed-onset consecutive *** exodeviation on the postoperative sixth month was smaller in the success group than in the failure group(2.81 PD vs 5.86 PD,P=0.012).The reoperation rate for recurrent IXT was 3.7%.CONCLUSION:The survival rate steadily decreases with the exodrift,but the amount of the exodrift decreases with long-term *** final outcomes demonstrate favorable results via surgic

关键词： long-term outcome survival analysis intermittent exotropia surgery

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SPARC Local Workshop on “WCRP Grand Challenges and Regional Climate Change”

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Advances in Atmospheric Sciences 2018年第6期35卷 624-627页

作者： Joowan KIM Seok-Woo SON hye-Jin KIM baek-Min KIM Changhyun YOO Department of Atmospheric Sciences Kongju National University Gongju 32588 Republic of Korea School of Earth and Environmental Sciences Seoul National University Seoul 08826 Republic of Korea Korea Polar Research Institute Incheon 21990 Republic of Korea Department of Climate and Energy Systems Engineering Ewha Womans University Seoul 03760 Republic of Korea

*** SPARC（Stratosphere-Troposphere Processes and their Role in Climate）is one of the core projects of the World Climate Research Program（WCRP）,coordinating international efforts to address relevant issues in clima... 详细信息

关键词： SPARC Local Workshop on WCRP Grand Challenges and Regional Climate Change QBO

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Bile acid increases expression of the histamine-producing enzyme,histidine decarboxylase,in gastric cells

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World Journal of Gastroenterology 2014年第1期20卷 175-182页

作者： hye Jin Ku hye Young Kim hyeong Hoe Kim Hee ju Park Jae Hun Cheong Department of Pediatrics College of MedicinePusan National UniversityBusan 601-721South Korea Department of Molecular Biology College of Natural SciencesPusan National UniversityBusan 609-735South Korea Department of Experimental Medicine College of MedicinePusan National UniversityBusan 601-721South Korea

AIM: To investigate the effect of bile acid on the expression of histidine decarboxylase (HDC), which is a major enzyme involved in histamine production, and gene expression of gastric transcription factors upon coope... 详细信息

关键词： Histamine Histidine decarboxylase Bile acid Farnesoid X receptor

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Selective conversion of N_(2) to NH_(3) on highly dispersed RuO_(2) using amphiphilic ionic liquid-anchored fibrous carbon structure

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Journal of Energy Chemistry 2022年第4期31卷 474-482页

作者： Kahyun Ham Muhammad Salman Sunki Chung Minjun Choi HyungKuk ju hye Jin Lee Jaeyoung Lee School of Earth Sciences and Environmental Engineering Gwangju Institute of Science and Technology(GIST)123 Cheomdangwagi-RoGwangju 61005South Korea International Future Research Center of Chemical Energy Storage and Conversion Processes GIST123 Cheomdangwagi-RoGwangju 61005South Korea Ertl Center for Electrochemical and Catalysis GIST123 Cheomdangwagi-RoGwangju 61005South Korea Department of Chemistry and Green-Nano Materials Research Center Kyungpook National University80 Daehak-RoDaegu-city 41566South Korea Hydrogen Research Department Korea Institute of Energy Research152 Gajeong-RoYuseong-guDaejeon 34129South Korea

Ammonia (NH_(3)) plays a key role in the agricultural fertilizer and commodity chemical industries and is useful for exploring hydrogen storage *** electrochemical nitrogen reduction reaction (NRR) is receiving attention as an environmentally sustainable NH_(3) synthesis replacement for the traditional Haber–Bosch process owing to its near ambient reaction conditions (<100℃ and 1 atm).However,its NH_(3) yield and faradaic efficiency are extremely low because of the sluggish kinetics of N≡N bond dissociation and the hindrance from competitive hydrogen *** overcome these challenges,we herein introduce a dual-functionalized ionic liquid (1-(4-hydroxybutyl)-3-methylimidazolium hydroxide[HOBIM]OH) for a highly dispersed ruthenium oxide electrocatalyst to achieve a biased *** observed uniform distribution of RuO_(2) on the carbon fiber and increase in the surface area for N_(2) adsorption by limiting proton access can be attributed to the presence of imidazolium ***,extensive N_(2) adsorption contributes to enhanced NRR selectivity with an NH_(3) yield of 3.0×10^(-10)mol cm^(-2)s^(-1)(91.8μg h^(-1)mg^(-1)) and a faradaic efficiency of 2.2%at-0.20 V_(RHE).We expect our observations to provide new insights into the design of effective electrode structures for electrochemical NH;synthesis.

关键词： Ammonia synthesis Nitrogen reduction reaction Imidazolium-based ionic liquid Ruthenium oxide

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Epstein-Barr virus-positive diffuse large B-cell lymphoma with human immunodeficiency virus mimicking complicated frontal sinusitis:A case report

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World Journal of Clinical Cases 2021年第7期9卷 1654-1660页

作者： Seokho Yoon Kyeong Hwa Ryu hye Jin baek Hyo jung An Yeon-Hee Joo Department of Nuclear Medicine and Molecular Imaging Gyeongsang National University School of Medicine and Gyeongsang National University Changwon HospitalChangwon 51472South Korea Department of Radiology Gyeongsang National University School of Medicine and Gyeongsang National University Changwon HospitalChangwon 51472South Korea Department of Radiology Institute of Health SciencesGyeongsang National University School of MedicineJinju 52727South Korea Department of Pathology Gyeongsang National University School of Medicine and Gyeongsang National University Changwon HospitalChangwon 51472South Korea Department of Otorhinolaryngology Gyeongsang National University School of Medicine and Gyeongsang National University Changwon HospitalChangwon 51472South Korea

BACKGROUND Primary non-Hodgkin’s lymphoma of the frontal sinus is extremely *** addition,Epstein-Barr virus(EBV)has been reported to play a role in the development of human immunodeficiency virus(HIV)-related malignant *** the best of our knowledge,there is no report for the HIVassociated,EBV-positive primary diffuse large B-cell lymphoma(DLBCL)in the frontal *** SUMMARY We present a unique case of HIV-associated,EBV-positive DLBCL in the frontal sinus in a 46-year-old *** tomography of paranasal sinuses revealed dense opacification of the right frontal sinus with combined soft tissue *** on the clinical and radiological findings,the initial diagnosis was complicated frontal sinusitis,presenting Pott’s puffy ***,HIV testing was positive on preoperative laboratory test,and the frontal sinus lesion was confirmed as EBV-positive DLBCL on *** Through this article,we suggest that EBV-positive DLBCL should be considered as possible diagnosis for patients with nonspecific space-occupying lesion of the paranasal *** also highlight an importance of clinical suspicion in diagnosing HIV infection because HIV serology is not routinely tested in patients with paranasal sinus problem.

关键词： Lymphoma Paranasal sinus Human immunodeficiency virus Epstein-Barr virus Computed tomography Case report

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Kinetics modeling for the mixed reforming of methane over Ni-CeO_2/MgAl_2O_4 catalyst

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Journal of Natural Gas Chemistry 2011年第1期20卷 9-17页

作者： hye Jin jun Myung-june Park Seung-Chan baek Jong Wook Bae Kyoung-Su Ha Ki-Won jun Department of Chemical Engineering Ajou University Petroleum Displacement Technology Research Center Korea Research Institute of Chemical Technology (KRICT)

Kinetics model was developed for the mixed （steam and dry） reforming of methane, which is useful for the control of H2/CO ratio. The equilibrium constants of reaction rate were determined using the experimental equilibrium data at different reaction temperatures, while the forward reaction rate constants were estimated using the experimental data under non-equilibrium （high inert fraction and high space velocity） conditions. The comparison between calculated and experimental data clearly showed that the developed model described satisfactorily, and further analysis using the parametric sensitivity determined the wall temperature and CO2 fraction in the feed gas as effective parameters for the manipulation of CH4 conversion and H2/CO ratio of synthesis gas under the equilibrium condition. Meanwhile, the inert fraction, rather than the residence time, was selected as additional parameter under non-equilibrium condition.

关键词： mixed reforming nickel-based catalyst kinetics modeling parameter estimation parametric sensitivity

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Two-Terminal Lithium-Mediated Artificial Synapses with Enhanced Weight Modulation for Feasible Hardware Neural Networks

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Nano-Micro Letters 2023年第5期15卷 236-253页

作者： Ji Hyun baek Kyung ju Kwak Seung ju Kim Jaehyun Kim Jae Young Kim In Hyuk Im Sunyoung Lee Kisuk Kang Ho Won Jang Department of Materials Science and Engineering Research Institute of Advanced MaterialsSeoul National UniversitySeoul 08826Republic of Korea Advanced Institute of Convergence Technology Seoul National UniversitySuwon 16229Korea

Recently,artificial synapses involving an electrochemical reaction of Li-ion have been attributed to have remarkable synaptic ***-terminal synaptic transistors utilizing Li-ion intercalation exhibits reliable synaptic characteristics by exploiting the advantage of nondistributed weight updates owing to stable ion ***,the three-terminal configurations with large and complex structures impede the crossbar array implementation required for hardware neuromorphic ***,achieving adequate synaptic performances through effective Li-ion intercalation in vertical two-terminal synaptic devices for array integration remains ***,two-terminal Au/LixCoO_(2)/Pt artificial synapses are proposed with the potential for practical implementation of hardware neural *** Au/LixCoO_(2)/Pt devices demonstrated extraordinary neuromorphic behaviors based on a progressive dearth of Li in LixCoO_(2)*** intercalation and deintercalation of Li-ion inside the films are precisely controlled over the weight control spike,resulting in improved weight control *** types of synaptic plasticity were imitated and assessed in terms of key factors such as nonlinearity,symmetricity,and dynamic ***,the LixCoO_(2)-based neuromorphic system outperformed three-terminal synaptic transistors in simulations of convolutional neural networks and multilayer perceptrons due to the high linearity and low programming *** impressive performances suggest the vertical two-terminal Au/LixCoO_(2)/Pt artificial synapses as promising candidates for hardware neural networks.

关键词： Artificial synapse Neuromorphic Li-based Two-terminal Synaptic plasticity

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