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Proteome analysis of alfalfa roots in response to water deficit stress

Journal of Integrative Agriculture 2016年第6期15卷 1275-1285页

作者： Rahman Md Atikur kim yong-goo Alam Iftekhar LIU Gong-she Lee Hyoshin Lee Jeung Joo Lee Byung-Hyun Division of Applied Life Sciences (BK21Plus) Institute of Agriculture & Life Sciences (IALS) Gyeongsang National University Jinju 660-701 Republic of Korea Institute of Botany Chinese Academy of Sciences Beijing 100093 P.R.China National Institute of Biotechnology Dhaka-1349 Bangladesh Division of Forest Biotechnology Korea Forest Research Institute Suwon 441-847 Republic of Korea Department of Applied Biology Institute of Agriculture & Life Sciences (IALS) Gyeongsang National University Jinju 660-701 Republic of Korea

To evaluate the response of alfalfa to water deficit （WD） stress, WD-induced candidates were investigated through a proteomic approach. Alfalfa seedlings were exposed to WD stress for 12 and 15 days respectively, followed by 3 days re-watering. Water deficit increased H202 content, lipid peroxidation, DPPH （1,1-diphenyl-2-picrylhydrazyl）-radical scavenging activity, and the free proline level in alfalfa roots. Root proteins were extracted and separated by two-dimentional polyacrylamide gel electrophoresis （2-DE）. A total of 49 WD-responsive proteins were identified in alfalfa roots; 25 proteins were reproducibly found to be up-regulated and 24 were down-regulated. Two proteins, namely cytosolic ascorbate peroxidase （APx2） and putative F-box protein were newly detected on 2-DE maps of WD-treated plants. We identified several proteins including agamous-like 65, albumin b-32, inward rectifying potassium channel, and auxin-independent growth promoter. The identified proteins are involved in a variety of cellular functions including calcium signaling, abacisic acid （ABA） biosynthesis, reactive oxygen species （ROS） regulation, transcription/translation, antioxidant/detoxification/stress defense, energy metabolism, signal transduction, and storage. These results indicate the potential candidates were responsible for adaptive response in alfalfa roots.

关键词： alfalfa proteome root water deficit stress

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Prominent cycling reversibility and kinetics enabled by CaTiO3 protective layer on Zn metal for aqueous Zn-ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 245-258页

作者： Gaeun Lee yong Nam Ahn Seongjoon So Chanwoo Park Jong-Seong Bae Taehyun Park Il Tae kim Jaehyun Hur School of Chemical Biological and Battery Engineering Gachon University Seongnam Busan Center Korea Basic Science Institute

Aqueous Zn-ion batteries （AZIBs） have received considerable attention owing to their various advantages such as safety,low cost,simple battery assembly conditions,and high ionic ***,they still suffer from serious problems,including uncontrollable dendrite growth,corrosion,hydrogen evolution reaction （HER） from water decomposition,electrode passivation,and unexpected *** creation of a uniform artificial nanocrystal layer on the Zn anode surface is a promising strategy for resolving these ***,we propose the use of a perovskite CaTiO3（CTO） protective layer on Zn（CTO@Zn） as a promising approach for improving the performance of *** CTO artificial layer provides an efficient pathway for Zn ion diffusion towards the Zn metal because of the high dielectric constant （εr=180） and ferroelectric characteristics that enable the alignment of dipole moments and redistribute the Zn2+ions in the CTO *** avoiding the direct contact of the Zn anode with the electrolyte solution,the uneven dendrite growth,corrosion,parasitic side reactions,and HER are mitigated,while CTO retains its mechanical and chemical robustness during ***,CTO@Zn demonstrates an improved lifespan in a symmetric cell configuration compared with bare ***@Zn shows steady overpotential （～68 m V） for 1500 h at 1 mA cm-2/0.5 mA h cm-2,excelling bare ***,when paired with the V2O5-C cathode,the CTO@Zn//V2O5-C full battery delivers 148.4 mA h g-1（based on the mass of the cathode） after 300 *** study provides new insights into Zn metal anodes and the development of high-performance AZIBs.

关键词： Artificial layer Dielectric constant Zn metal anode Zinc aqueous battery

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Characterization of Ceramic Composite-Membranes Prepared by ORMOSIL Coating Sol

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Journal of Rare Earths 2004年第Z2期22卷 136-140页

作者： goo-Dae kim Tae-Bong kim School of New Materials Science and Engineering Yonsei UniversitySeoul 120-749Korea Division of MaterialsKorea Institute Science and TechnologySeoul 136-791Korea

Sol-gel methods offer many advantages over conventional slip-casting, including the ability to produce ceramic membranes. They are purer, more homogeneous, more reactive and contain a wider variety of compositions. We produced ormosil sol using sol-gel process under different molecular weight of polymer species [polyethylene glycol (PEG) ] in total system [Tetraethyl ortho silicate(TEOS)-polyethylene glycol (PEG)]. The properties of as-prepared ormosil sol such as,viscosity, gelation time were characterized. Also, the ceramic membrane was prepared by dip-coating with synthetic sol and its micro-structure was observed by scanning electron microscopy. The permeability and rejection efficiency of membrane for oil/water emulsion were evaluated as cross-flow apparatus. The ormosil sol coated Membrane is easily formed by steric effect of polymer and it improves flux efficiency because infiltration into porous support decreased. Its flux efficiency is elevated about 200(1/m2·h) compared with colloidal sol coated membrane at point of five minutes from starting test.

关键词： ORMOSIL sol crack Resistance ultra-filter micro-filter

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Complexity Effective Frequency and Sidelink Synchronization Algorithm for LTE Device-to-Device Communication Systems

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Computers, Materials & Continua 2020年第1期62卷 443-458页

作者： yong-An Jung Min-goo Kang Young-Hwan You Department of Computer Engineering Sejong UniversitySeoulKorea Department of IT Contents Hanshin UniversityGyeonggi-doKorea

Device-to-device(D2D)communication is considered as a major challenge in the long term evolution(LTE)network wherein devices directly communicate with each *** of the key challenges in D2D sidelink is reliable and reduced-complexity *** address this issue,a computationally efficient sequential detection scheme for integer carrier frequency offset and sidelink identity is proposed in the LTE-D2D *** perform the frequency offset detection without retrieving the sidelink identity,the conjugate relation between two primary sidelink synchronization sequences is exploited,which facilitates the detection tasks of frequency offset and sidelink identity to be *** is demonstrated from simulation results that the inherent property of the sidelink synchronization sequences is effectively used for joint detection of frequency offset and sidelink identity with significantly reduced complexity,compared to existing estimation schemes.

关键词： Long term evolution device-to-device communication carrier frequency offset sidelink identity sidelink synchronization

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Is the filamentary dark cloud GF 6 a star forming region?--Stability analysis and infrared properties

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Research in Astronomy and Astrophysics 2017年第12期17卷 77-88页

作者： Jaeheon kim Hyun-goo kim Sang Joon kim Bo Zhang Shanghai Astronomical Observatory Chinese Academy of SciencesShanghai 200030China Korea Astronomy and Space Science Institute Daejeon 34055Korea Department of Astronomy and Space Science Kyung Hee UniversityYongin 17104Korea

We present the results of mapping observations and stability analyses toward the filamentary dark cloud GF 6. We investigate the internal structures of a typical filamentary dark cloud GF 6 to know whether the filamentary dark cloud will form stars. We perform radio observations with both 12CO（J =1–0） and 13CO（J =1–0） emission lines to examine the mass distribution and its evolutionary *** 13CO gas column density map shows eight subclumps in the GF 6 region with sizes on a sub-pc scale. The resulting local thermodynamic equilibrium masses of all the subclumps are too low to form stars against the turbulent dissipation. We also investigate the properties of embedded infrared point sources to know whether they are newly formed stars. The infrared properties also indicate that these point sources are not related to star forming activities associated with GF 6. Both radio and infrared properties indicate that the filamentary dark cloud GF 6 is too light to contract gravitationally and will eventually be dissipated away.

关键词： ISM:clouds ISM:molecules radio lines:ISM infrared:ISM Instabilities Turbulence

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Simple technique for the rescue and refixation of a partially disenclavated retropupillary iris claw intraocular lens

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International Journal of Ophthalmology(English edition) 2020年第11期13卷 1833-1835页

作者： Hyun goo Kang Jae yong Han Sung Chul Lee Min kim Department of Ophthalmology Institute of Vision ResearchGangnam Severance HospitalYonsei University College of Medicine211 EonjuroGangnam-guSeoul 06273Republic of Korea Department of Ophthalmology Institute of Vision ResearchSeverance Eye HospitalYonsei University College of Medicine50-1 Yonsei-roSeodaemun-guSeoul 03722Republic of Korea

Dear Editor,We would like to introduce a simple technique for the efficient rescue and refixation of a subluxated retropupillary iris claw intraocular lens(RPICIOL;Artisan■Aphakia model 205,Ophtec BV,Groningen,the Netherlands).The RPICIOL is a suture-less,posterior iris-fixated,polyinethyl methacrylate intraocular lens(IOL)that has gained widespread recognition and expanding use because of its efficiency in management of aphakia,combined with long-term intraocular safety and excellent sustained visual outcomes11 Postoperative dislocation/disenclavation of the RPICIOL may occur spontaneously or following trauma,with a rate reportedly between 0 to 10%[4-6].

关键词： law gained sustained

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A modified,simple technique for internal limiting membrane free flap transplantation in macular hole surgery:the Peel-PFCL-Peel technique

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International Journal of Ophthalmology(English edition) 2021年第10期14卷 1636-1638页

作者： Hyun goo Kang Jae yong Han Jae Won Jun Min kim Department of Ophthalmology Institute of Vision ResearchGangnam Severance HospitalYonsei University College of Medicine211 EonjuroGangnam-guSeoul 06273Republic of Korea

Dear Editor,We would like to introduce a simple but modified variant perfluorocarbon liquid(PFCL)-assisted technique,namely the"Peel-PFCL-Peel"technique,which overcomes these difficulties while improving manipulation ... 详细信息

关键词： modified limiting overcome

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Tumor response assessment by the single-lesion measurement per organ in small cell lung cancer

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Chinese Journal of Cancer Research 2016年第2期28卷 161-167页

作者： Soong goo Jung Jung Han kim Hyeong Su kim Kyoung Ju kim Ik Yang Department of Internal Medicine Kangnam Sacred-Heart HospitalHallym University Medical CenterHallym University College of MedicineSeoulRepublic of Korea Department of Radiation Oncology Kangnam Sacred-Heart HospitalHallym University Medical CenterHallym University College of MedicineSeoulRepublic of Korea Department of Radiology Kangnam Sacred-Heart HospitalHallym University Medical CenterHallym University College of MedicineSeoulRepublic of Korea

Background： The criterion of two target lesions per organ in the Response Evaluation Criteria in Solid Tumors （RECIST） version I. 1 is an arbitrary one, being supported by no objective evidence. The optimal number of target lesions per organ still needs to be investigated. We compared tumor responses using the RECIST 1.1 （measuring two target lesions per organ） and modified RECIST I. 1 （measuring the single largest lesion in each organ） in patients with small cell lung cancer （SCLC）. Methods： We reviewed medical records of patients with SCLC who received first-line treatment between January 2004 and December 2014 and compared tumor responses according to the two criteria using computed tomography. Results： There were a total of 34 patients who had at least two target lesions in any organ according to the RECIST 1.1 during the study period. The differences in the percentage changes of the sum of tumor measurements between RECIST 1.1 and modified RECIST 1.1 were all within 13%. Seven patients showed complete response and fourteen showed partial response according to the RECIST I.I. The overall response rate was 61.8%. When assessing with the modified RECIST 1.1 instead of the RECIST 1.1, tumor responses showed perfect concordance between the two criteria （k= 1.0）. Conclusions： The modified RECIST 1.I showed perfect agreement with the original RECIST 1.I in the assessment of tumor response of SCLC. Our result suggests that it may be enough to measure the single largest target lesion per organ for evaluating tumor response.

关键词： Target lesion Response Evaluation Criteria in Solid Tumors 1.1 (RECIST 1.1) modified Response Evaluation Criteria in Solid Tumors tumor response I.I (modified RECIST 1.1) small cell lung cancer (SCLC)

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Comparison of hepatic venous pressure gradient and endoscopic grading of esophageal varices

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World Journal of Gastroenterology 2016年第11期22卷 3212-3219页

作者： Eun Ji Lee yong Jae kim Dong Erk goo Seung Boo Yang Hyun-Joo kim Jae Young Jang Soung Won Jeong Department of Radiology Soonchunhyang University Seoul Hospital Department of Radiology Soonchunhyang University Gumi Hospital Department of Gastroenterology Soonchunhyang University Seoul Hospital

AIM: To determine the correlation between the hepatic venous pressure gradient and the endoscopic grade of esophageal ***: From September 2009 to March 2013, a total of 176 measurements of hepatic venous pressure gradient (HVPG) were done in 146 patients. Each transjugular HVPG was measured twice, first using an end whole catheter (EH-HVPG), and then using a balloon catheter (B-HVPG). The HVPG was compared with the endoscopic grade of esophageal varices (according to the general rules for recording endoscopic findings of esophagogastric varices), which was recorded within a month of the measurement of ***: The study included 110 men and 36 women, with a mean age of 56.1 years (range, 43-76 years). The technical success rate of the pressure measurements was 100% and there were no complication related to the procedures. Mean HVPG was 15.3 mmHg as measured using the end hole catheter method and 16.5 mmHg as measured using the balloon catheter method. Mean HVPG (both EH-HVPG and B-HVPG) was not significantly different among patients with different characteristics, including sex and comorbid factors, except for cases with hepatocellular carcinoma (B-HVPG, P = 0.01; EH-HVPG, P = 0.02). Portal hypertension (> 12 mmHg HVPG) occurred in 66% of patients according to EH-HVPG and 83% of patients according to B-HVGP, and significantly correlated with Child’s status (B-HVPG, P < 0.000; EH-HVGP, P < 0.000) and esophageal varies observed upon endoscopy (EH-HVGP, P = 0.003; B-HVGP, P = 0.006). One hundred and thirty-five endoscopies were performed, of which 15 showed normal findings, 27 showed grade 1 endoscopic esophageal varices, 49 showed grade 2 varices, and 44 showed grade 3 varices. When comparing endoscopic esophageal variceal grades and HVPG using univariate analysis, the P value was 0.004 for EH-HVPG and 0.002 for ***: Both EH-HVPG and B-HVPG showed a positive correlation with the endoscopic grade of esophag

关键词： Hepatic venous pressure gradient Liver cirrhosis Esophageal varices Endoscopic grade of esophageal varices Balloon catheter measurement End hole catheter measurement

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Characterization of lattice parameters gradient of Cu(In1-xGax)Se2 absorbing layer in thin-film solar cell by glancing incidence X-ray diffraction technique

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Journal of Materials Science & Technology 2020年第16期47卷 193-201页

作者： yong-Il kim Ki-Bok kim Miso kim Department of Nano Science University of Science and Technology217GajeongYuseongDaejeon34113Republic of Korea Korea Research Institute of Standards and Science 267GajeongYuseongDaejseon34113Republic of Korea

In or Ga gradients in the Cu(In1-xGax)Se2(CIGS)absorbing layer lead to change the lattice parameters of the absorbing layer,giving rise to the bandgap grading in the absorbing layer which is directly associated with the degree of absorbing ability of the CIGS solar *** tried to characterize the depth profile of the lattice parameters of the CIGS absorbing layer using a glancing incidence X-ray diffraction(GIXRD)technique,and then investigate the bandgap grading of the CIGS absorbing *** the glancing incident angle increased from 0.50 to 5.00°,the a and c lattice parameters of the CIGS absorbing layer gradually decreased from 5.7776(3)to 5.6905(2)?,and 11.3917(3)to 11.2114(2)?,*** depth profile of the lattice parameters as a function of the incident angle was consistent with vertical variation in the compositionof In or Ga with depth in the absorbing *** variation of the lattice parameters was due to the difference between the ionic radius of In and Ga co-occupying at the same crystallographic *** to the results of the depth profile of the refined parameters using GIXRD data,the bandgap of the CIGS absorber layer was graded over a range of 1.222-1.532 *** approach allows to determine the In or Ga gradients in the CIGS absorbing layer,and to nondestructively guess the bandgap depth profile through the refinement of the lattice parameters using GIXRD data on the assumption that the changes of the lattice parameters or unit-cell volume follow a good approximation to Vegard’s law.

关键词： Cu(In1-xGax)Se2 absorbing layer Depth profile Glancing incidence X-ray diffraction technique Bandgap grading Vegard’s law

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