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Overexpression of the RNA binding gene from Medicago trancatula regulates flowering time
Hyun-Ju Hwang,Hyemin Lim,A-Ram Kim,Dae-Woo Lee,Jong-Seong Jeon,Jong Won Han,Gang-Seob Lee 한국육종학회 2015 한국육종학회 심포지엄 Vol.2015 No.07
FLOWERING TIME CONTROL PROTEIN, FPA gene encode RNA Recognition Motif (RRM) domain protein and plays important roles in flowering time control in Arabidopsis. Floral transition is significant for reproductive products in all flowering plants. However, little is known about the functions of Medicago autonomous pathway gene. We had cloned the FPA gene on Medicago based on the sequence similarity of Arabidopsis FPA sequence. The RT-qPCR analysis of MtFPA expression patterns showed that the MtFPA transcripts accumulated ubiquitously in roots, leaves, stems, flowers, and pods. When fused to the green fluorescence protein, MtPFA-GFP was localized in the nucleus as speckle pattern of protoplast from Arabidopsis. To examine the function of MtFPA, 35S::MtFPA transgenic plants were generated in Arabidopsis late flowering mutant background, fpa-2. Overexpression of MtFPA specifically caused early flowering under long day conditions compared with non-transgenic plants. In MtFPA transgenic lines, AtFLC expression were down-regulated whereas the floral integrators, AtFT and AtSOC1 were up-regulated as compare with control plant. As these results, MtFPA suggest that is a functional ortholog of the Arabidopsis and may play an important role in the regulation of flowering transition in Medicago.
[PE-0029] Investigation of Alfalfa Cultivars Forage Performance in Central Region of South Korea
Yowook Song(Yowook Song),Sang-Hoon Lee(Sang-Hoon Lee),Md Atikur Rahman(Md Atikur Rahman ),Hyung Soo Park(Hyung Soo Park),Jae Hoon Woo(Jae Hoon Woo),Bo Ram Choi(Bo Ram Choi),Eun A Lim(Eun A Lim),Ki-Won 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
Lim, Kwang Soo,Baldoví,, José,J.,Jiang, ShangDa,Koo, Bong Ho,Kang, Dong Won,Lee, Woo Ram,Koh, Eui Kwan,Gaita-Ariñ,o, Alejandro,Coronado, Eugenio,Slota, Michael,Bogani, Lapo,Hong, Cha ACS AMERICAN CHEMICAL SOCIETY 2017 Inorganic Chemistry Vol.56 No.9
<P>Controlling the coordination sphere of lanthanoid complexes is a challenging critical step toward controlling their relaxation properties. Here we present the synthesis of hexacoordinated dysprosium single-molecule magnets, where tripodal ligands achieve a near-perfect octahedral coordination. We perform a complete experimental and theoretical investigation of their magnetic properties, including a full single-crystal magnetic anisotropy analysis. The combination of electrostatic and crystal-field computational tools (SIMPRE and CONDON codes) allows us to explain the static behavior of these systems in detail.</P>
Lim, Kwang Soo,Lee, Woo Ram,Lee, Han Geul,Kang, Dong Won,Song, Jeong Hwa,Hilgar, Jeremy,Rinehart, Jeffrey D.,Moon, Dohyun,Hong, Chang Seop ACS AMERICAN CHEMICAL SOCIETY 2017 Inorganic Chemistry Vol.56 No.13
<P>Three MOF-74-type Co(II) frameworks with one-dimensional hexagonal channels have been prepared. Co(II) spins in a chain are ferromagnetically coupled through carboxylate and phenoxide bridges. Interchairi antiferromagnetic couplings via aromatic ring pathways operate over a Co-Co length Shorter than similar to 10.9 angstrom, resulting in, a field-induced metamagnetic transition, while being absent over lengths longer than similar to 14.7 angstrom.</P>
Lim, Ka Ram,Kwon, Heoun Jun,Kang, Joo-Hee,Won, Jong Woo,Na, Young Sang Elsevier 2020 Materials science & engineering. properties, micro Vol.771 No.-
<P><B>Abstract</B></P> <P>A duplex alloy structure is advantageous for overcoming the strength–ductility trade-off dilemma. In this paper, we introduce a novel duplex Al<SUB>12.9</SUB>Co<SUB>20.9</SUB>Cr<SUB>27.3</SUB>Fe<SUB>23.9</SUB>Ni<SUB>14.9</SUB> high-entropy alloy (HEA) reinforced with body-centered-cubic ordered-phase (B2) particles. The hierarchical duplex structure results in an excellent tensile strength of 1031 MPa and acceptable tensile ductility, and the alloy outperforms its conventional counterparts. The yield strength of the alloy is much higher than those of transformation-induced-plasticity strengthened and eutectic duplex HEAs, because it is based on the body-centered-cubic disordered-phase (BCC) matrix. The findings of the present study provide novel guidance for the development of multi-phase HEAs.</P>
Lim, Kwang Soo,Baldoví,, José,J.,Lee, Woo Ram,Song, Jeong Hwa,Yoon, Sung Won,Suh, Byoung Jin,Coronado, Eugenio,Gaita-Ariñ,o, Alejandro,Hong, Chang Seop American Chemical Society 2016 Inorganic Chemistry Vol.55 No.11
<P>The symmetry around a Dy ion is recognized to be a crucial parameter dictating magnetization relaxation dynamics. We prepared two similar square-antiprismatic complexes, [Dy(L-OMe)(2)(H2O)(2)](PF6) (1) and Dy(L-OMe)(2)(NO3) (2), where L-OMe = [CpCo{P(O)(O(CH3))(2)}(3)], including either two neutral water molecules (1) or an anionic nitrate ligand (2). We demonstrated that in this case relaxation dynamics is dramatically affected by the introduction of a charged ligand, stabilizing the easy axis of magnetization along the nitrate direction. We also showed that the application of either a direct-current field or chemical dilution effectively stops quantum tunneling in the ground state of 2, thereby increasing the relaxation time by over 3 orders of magnitude at 3.5 K.</P>
A Study on Features of Forage Barnyard Millet and Related Research Trends
Lim, Eun-A,Lee, Ki-Won,Choi, Bo Ram,Park, Hyung Soo,Woo, Jae Hoon,Kim, Da In,Lee, Sang-Hoon The Korean Society of Grassland and Forage Science 2021 한국초지조사료학회지 Vol.41 No.3
Barnyard millet is a short-lived tropical, short-term C4 plant and has superior vitality in humid conditions owing to its freshwater habitat. It shows strong adaptability to soils with poor drainage and low fertility, and efficiently competes with rice in paddy fields. Barnyard millet grain is used as feed in the Indian region and is a great source of dietary fiber, proteins, fats, vitamins, and some essential amino acids. Considering its high nutritional value and its potential as a food resource and fodder crop, various countries are showing interest in cultivating barnyard millet. However, in Korea, farm households have not yet recognized the benefits of cultivating barnyard millet, and research regarding this is scarce. In this review, the features of forage barnyard millet and its related research trends are discussed, with the aim of improving interest in this crop and promoting its cultivation.
Woo Hyung Lee,Hyun Kyung Do, Joong Hoon Lee,Bo Ram Kim,Jee Hyun Noh,Soo Hyun Choi,Sun Gun Chung,Shi-Uk Lee,최지은,Seihee Kim,Min Jee Kim,Jae-Young Lim 대한재활의학회 2016 Annals of Rehabilitation Medicine Vol.40 No.2
Objective To compare the clinical outcomes following conservative treatment and arthroscopic repair in patients with a rotator cuff tear.Methods In this retrospective study, patients aged >50 years with a symptomatic rotator cuff tear were reviewed. The rotator cuff tendons were evaluated using ultrasonography, shoulder magnetic resonance imaging or MR arthrography, and the patients with either a high-grade partial-thickness or small-to-medium-sized (≤3 cm) full-thickness tear were included in this study. The primary outcome measures were a pain assessment score and range of motion (ROM) at 1-year follow-up. The secondary outcomes were the rate of tear progression or retear along with the rate of symptom aggravation after the treatments.Results A total of 357 patients were enrolled, including 183 patients that received conservative treatment and 174 patients who received an arthroscopic repair. The pain assessment score (p<0.001) and the ROM in forward flexion (p<0.001) were significantly improved in both groups. The ROM in internal rotation did not significantly change after conservative treatment and arthroscopic repair. The pain assessment score and ROM were not significantly different between the two groups. Retear was observed in 9.6% of patients who had an arthroscopic repair and tear progression was found in 6.7% of those who underwent conservative treatment. The proportion of aggravation for pain and ROM did not significantly differ between the two groups.Conclusion The effectiveness of conservative treatment is not inferior to arthroscopic repair for patients >50 years old with a less than medium-sized rotator cuff tear in a 1-year follow-up period. Further study is warranted to find the optimal combination of conservative treatment for a symptomatic rotator cuff tear.
Lee, Woo-ram,Lim, Young S.,Kim, Sowon,Jung, Jaehoon,Han, Young-Kyu,Yoon, Sungho,Piao, Longhai,Kim, Sang-Ho Royal Society of Chemistry 2011 Journal of materials chemistry Vol.21 No.19
<P>In order to realize copper-based electrode materials for printed electronics applications, it is necessary to control the oxidation reaction during the sintering process. Here we report a novel approach based on the conversion process of cuprous oxide (Cu<SUB>2</SUB>O) nanoparticle aggregates (NPAs) to metallic copper crystals. The NPAs undergo crystal conversion to copper crystals in air with the help of surfactants and a reducing agent. This crystal conversion is a very unique phenomenon which has not been observed previously. The detailed mechanism for this conversion, including the role of the surfactant and crystal growth, was proposed. Furthermore, we tried to realize oxidation free copper electrode formation in air by using the crystal conversion of Cu<SUB>2</SUB>O NPAs.</P> <P>Graphic Abstract</P><P>Crystal conversion from Cu<SUB>2</SUB>O nanoparticle aggregates to a Cu crystal was investigated for possible application in printed Cu electrodes. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c1jm10110b'> </P>