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Lim, Yong-Sik,Ahn, Jae-Geum,Kim, Ji-Hee,Yee, Ki-Ju,Joo, Taiha,Baik, Sung-Hoon,Há,roz, Erik H.,Booshehri, Layla G.,Kono, Junichiro American Chemical Society 2010 ACS NANO Vol.4 No.6
<P>We have observed large-amplitude coherent phonon oscillations of radial breathing modes (RBMs) in single-walled carbon nanotubes excited through the lowest-energy (<I>E</I><SUB>11</SUB>) interband transitions. In contrast to the previously studied coherent phonons excited through higher-energy (<I>E</I><SUB>22</SUB>) transitions, these RBMs show comparable intensities between (<I>n</I>−<I>m</I>) mod 3 = +1 and −1 nanotubes. We also find the novel observation of RBMs excited over an excitation range of ∼300 meV above the <I>E</I><SUB>11</SUB> transition, which we attribute to possible resonance with phonon sidebands of the lowest optical transition, arising from strong exciton−phonon coupling.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2010/ancac3.2010.4.issue-6/nn100055e/production/images/medium/nn-2010-00055e_0004.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn100055e'>ACS Electronic Supporting Info</A></P>
A New Leaf Vegetable Perilla Cultivar, "Ilyeop"
Ki Won Oh,Byung Joo Kim,Suk Bok Pae,Yong Ho Kwack,Hee Seang Park,Hyeon Tae Kim,Geum Suk Kim,Geon Jae Lim,Su Dong Kim,Huhn Pal Moon,Sung Eon Im,Myung Suk Kim,Byung Jun ChoiCha 한국육종학회 2007 한국육종학회지 Vol.39 No.1
“Ilyeop” (Perilla frutescens (L.) Britton), a new cultivar for leaf vegetable, was developed from a cross between Ipdeulkkae1 and YCPL187 at the National Yeongnam Agricultural Experiment Station, RDA, in 2001. For the cultivation of leaf vegetable perilla, the plants are grown with a spacing of 10 x 5 cm between rows and plants and all branches are removed to harvest uniform leaves from main stem, indicating that the amount of the next harvesting leaf is a important characteristic for the growth of the plant. “Ilyeop” grows vigorously and yields high quality leaf with higher amount of the next harvesting leaves composed with a check cultivar, “Ipdeulkkae1”. “Ilyeop” has five days of earlier seed maturity (Oct. 24) than that of “Ipdeulkkae1” under natural condition, less chance of frost damage is expected. The flowering date of “Ilyeop” is same with that of “Ipdeulkkae1” in winter cultivation with night break treatment.
Chitin from the Extract of Cuttlebone Induces Acute Inflammation and Enhances MMP1 Expression
( Ki Man Lee ),( Hong Shim ),( Geum Seon Lee ),( Il Ho Park ),( Ok Sang Lee ),( Sung Cil Lim ),( Tae Jin Kang ) 한국응용약물학회 2013 Biomolecules & Therapeutics(구 응용약물학회지) Vol.21 No.3
We previously reported that the extract from cuttlebone (CB) has wound healing effect in burned lesion of rat. In present study, the main component of CB extract was analyzed and its wound healing activity was evaluated by using in vitro acute infl ammation model. The extract of CB stimulated macrophages to increase the production of TNF-α. The extract also enhanced the production of TGF-β and VEGF, which were involved in angiogenesis and fi broblast activation. The treatment with CB extract enhanced proliferation of murine fi broblast. CB extract also induced the activation of fi broblast to increase the secretion of matrix metalloproteases 1 (MMP1). The constituent of CB extract which has wound healing activity was identifi ed as chitin by HPLC analysis. The mechanism that the CB extract helps to promote healing of burned lesion is associated with that chitin in CB extracts stimulated wound skins to induce acute infl ammation and to promoted cell proliferation and MMP expression in fi broblast. Our results suggest that CB or chitin can be a new candidate material for the treatment of skin wound such as ulcer and burn.
Methyleugenol reduces cerebral ischemic injury by suppression of oxidative injury and inflammation
Choi, Yoo Keum,Cho, Geum-Sil,Hwang, Sunyoung,Kim, Byung Woo,Lim, Ji. H.,Lee, Jae-Chul,Kim, Hyoung Chun,Kim, Won-Ki,Kim, Yeong Sik Informa UK Ltd. 2010 Free radical research Vol.44 No.8
<P>The present study tested the cytoprotective effect of methyleugenol in an <I>in vivo</I> ischemia model (i.e. middle cerebral artery occlusion (MCAO) for 1.5 h and subsequent reperfusion for 24 h) and further investigated its mechanism of action in <I>in vitro</I> cerebral ischemic models. When applied shortly after reperfusion, methyleugenol largely reduced cerebral ischemic injury. Methyleugenol decreased the caspase-3 activation and death of cultured cerebral cortical neurons caused by oxygen-glucose deprivation (OGD) for 1 h and subsequent re-oxygenation for 24 h. Methyleugenol markedly reduced superoxide generation in the ischemic brain and decreased the intracellular oxidative stress caused by OGD/re-oxygenation. It was found that methyleugenol elevated the activities of superoxide dismutase and catalase. Further, methyleugenol inhibited the production of nitric oxide and decreased the protein expression of inducible nitric oxide synthase. Methyleugenol down-regulated the production of pro-inflammatory cytokines in the ischemic brain as well as in immunostimulated mixed glial cells. The results indicate that methyleugenol could be useful for the treatment of ischemia/inflammation-related diseases.</P>
임효재(Hyo Jae Lim),권정태(Jung Tae Kwon),김금수(Geum Soo Kim),장기창(Ki Chang Chang) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-
Geothermal energy is the heat contained in the earth and its internal fluids. Geothermal energy is stored as sensible or latent heat. Supplied by both internal and external sources, it represents a vast supply which is only started to be tapped for generation of electric power. In general, this is natural dry or wet medium to high enthalpy steam at temperatures above 150℃. For some time, binary systems employing substances with a lower boiling point than water in a secondary circuit have been used to generate vapor for driving turbines at a lower temperature level. The utilization of binary plants and the possibility of production from enhanced geothermal systems can expand its availability on a worldwide basis. The geothermal electricity installed capacity is approaching the 10,000GW threshold. Geothermal energy is not present everywhere, but its baseload capability is a very important factor for its success.
Neuroprotective Effects of Ginko biloba in Global Cerebral Ischemia
Young Ock Kim,Geum Soog Kim,Seong Eeon Lee,Ho Ki Park,Nak Sul Seong,Sang Jong Lim 한국작물학회 2007 한국작물학회 학술발표대회 논문집 Vol.2007 No.11
Objective The aim of this work was to ascertain whether the memory disturbance following scopolamine administration and the neuroprotective effect of could be evidenced in global cerebral ischemia by evaluating improved cognitive capacity in the rats. Materials and Methods Neuronal cell density was measured by counting viable cells in the left and right CA1 regions of three coronal sections of 30 um. Behavior test; Acquisition deficits after ischemia.. Use passive avoidance test. Results Neuroprotective effect of GB at 100mg/kg is 87.3%. Representative photomicrographs of cresyl violet-stained hippocampal regions of either sham-operated animals(A,B) or animals that had been subjected to 10 min ischemia followed by the treatment with either saline (C,D) or 100mg/kg of Ginkgo biloba (E,F). Boxed regions in A, C, and E are shown in B, D, and F, respectively. The 10 min ischemia caused selective and delayed neuronal cell loss in the hippocampal CA1 region (C,D). In contrast, GB treatment conferred neuroprotection by markedly reducing the number of damaged pyramidal cells in the CA1 subfield (E,F). Scale bar is 100 um. Effect of GB on scopolamine induced memory deficits in the passive avoidance test. At 30 min after trainining trials, scopolamine(1mg/kg i.p.) or the same volume of saline was administered to rats. At 30 min after scopolamine injection, the rats were treated with GB(100mg/kg). Acquisition trials were carried out 30 min after GB treatment. At 24 hr after acquisition trials, the test trials were carried out. Data represents mean ± SEM (n=6).
당(唐)시대의 전통 화장과 영상매체에 재현된 화장기법의 비교
임소정 ( So Jeung Lim ),양중영 ( Zhong Ying Yang ),이윤진 ( Yun Jin Lee ),이금희 ( Geum Hee Lee ),김기영 ( Ki Young Kim ) 한국미용학회 2013 한국미용학회지 Vol.19 No.2
The purpose of this study is to investigate the needs for review of the traditional make-up techniques in Tang dynasty and to analyze the make-up reproduced in the film media. Pictures related to the Chinese history containing literature and photos on the Internet and art books used for reviews and analysis. The traditional make-up techniques and characteristics found in 5 films after consultation with 3 make-up experts in this field. Then, a comparison and analysis was conducted with the traditional make-up techniques and characteristics found in the films and the old relics and paintings. As a result, traditional make-up techniques were practiced in more exotic, colorful and liberal manner than before. Continuously in great vogue were Hongjang, Hongbun and Hwajeun using several pigments, eyebrows of various shapes and small but thick painting in lip. Myeonyop was also widely liked by imprinting dimples of pearl-size at both sides of one`s lip. The movie <Lover> featured reproduction of Hongjang, Hwajeun and eyebrow make-up. In the movie <Course of the golden flower>, eyebrow make-up appeared in a gorgeous modern mode quite different from the traditional makeup technique. In <Zetianwuhon>, Hwajeun, Swahong and eyebrow make-up were reproduced but lip make-up was expressed in a totally different way. In conclusion, it seems necessary to apply the traditional make-up techniques to the given situation after closely studying and properly modifying them in order to present the image of the circumstances and characters in reflection of the times in the movies or dramas.