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Molecular Identification of Adoxophyes orana complex (Lepidoptera: Tortricidae) in Korea and Japan
Park, Hyung-Jin,Park, Ik-Ju,Lee, So-Young,Han, Kyeung-Sik,Yang, Chang-Yeol,Boo, Kyung-Saeng,Park, Kyu-Tek,Lee, Jong-Wook,Cho, Soo-Won 한국응용곤충학회 2008 Journal of Asia-Pacific Entomology Vol. No.
Species identification in the Adoxophyes orana complex has historically posed a problem, due to marked morphological similarities among the members. Although pheromonal studies have often been suggested as a better indicator for ecological distinctions among species than morphological similarities, no molecular proof has yet been provided in this regard. Here, we have sequenced the COI barcoding region (<TEX>${\sim}660\;bp$</TEX>) as well as another COI region (<TEX>${\sim}940\;bp$</TEX>) and 18S rDNA <TEX>$(\sim(\sim1820\;bp)$</TEX> for species in Korea and Japan. We determined that the specimens recently collected in Korea were A. orana, which is identical to the Japanese A. orana fasciata; the Korean A. honmai is identical to the Japanese A. honmai; the Korean Adoxophyes sp., which has previously been identified as A. orana in Korea, is not actually A. orana but a third, possibly new, species; and the Japanese A. dubia is identical to A. honmai in Japan and A. honmai in Korea. p-distances among the species and their phylogenetic trees are also provided herein.
Papermaking Characteristics of Kudzu Root Fibers with Different Morphology
Ji-Young Lee,Chul-Hwan Kim,Ji-Eun Lee,Sol Kwon,Hyung-Hun Park,Hyun-Tek Yim,Sun-Ok Moon,Ho-Gyeong Gu 한국펄프·종이공학회 2018 펄프.종이技術 Vol.50 No.5
Kudzu kills and damages neighboring plants by smothering or encircling them. Kudzu was divided into male and female in appearance. At the utilizing standpoint of kudzu, the leftovers from the roots extraction were pulped by two different pulping methods. Soda pulping was individually applied for male and female root leftovers, and kraft pulping was done for their mixed leftovers. Soda pulps made from the separate male and female root leftovers did not show any big difference in the contents of both extractives and lignin before bleaching. However, after bleaching, the decrease in extractives and lignin of each pulp occurred. Kraft pulping made under strong alkaline treatment contributed to the higher reduction in the contents of extractives and lignin even after bleaching. Starch content harmful in white water during papermaking was higher in soda pulp than in kraft pulp. Even though 10% of kudzu pulps was mixed in a papermaking stock, most of properties of the sheets containing bleached soda pulp and kraft pulp were exceedingly weaker than those containing bleached SW-BKP. In conclusion, irrespective of pulp types, kudzu root leftovers could be a minor resource to produce paper with special functionality when weaker fading resistance and lower strength were considered.
이미희,Hye Ryeon Lim,Tek Hyung Lee,박종철 한국생체재료학회 2009 생체재료학회지 Vol.13 No.1
In this study, we fabricated porous PLGA microparticles loaded with EGCG by a modified water-in-oil-in-water (W/ O/W) double emulsion solvent evaporation method. The physicochemical properties of the EGCG-loaded PLGA microparticles were studied using scanning electron microscopy (SEM), Fourier transformed-infrared (FT-IR) spectroscopy and in vitro release measurements. A remarkable burst effect was observed on first stage however the released amount was reduced largely with time. This result showed that the release of EGCG increased by its loading amount. Also, EGCG - loaded PLGA particles inhibited the growth of rat aortic smooth muslce cells (RASMC). This study demonstrates that PLGA microparticle system is potential as an efficient EGCG carrier in medical therapy.
A Review of the Korean Thyatiridae (Lepidoptera), including the Mt. Changbai-shan
Kim, Min-Young,Lee, Hyung-Keun,Ronkay, Laszlo,Park, Kyu-Tek Korean Society of Applied Entomology 2006 Journal of Asia-Pacific Entomology Vol.9 No.3
The Korean Thyatiridae is reviewed, with 29 known species. Of them, a new species of the genus Parapsestis Warren is found and it will be described in a separate paper by $L\'{a}szl\'{o}$ et al., (2006). The checklist of the taxa and the worldwide distribution of the species, including the available information of bionomics, are presented.
Growth of Smooth Muscle Cell and Endothelial Cell on PLGA Film Containing EGCG
Chung, Jin Hyun,Lim, Hye Ryeon,Lee, Tek Hyung,Lee, Mi Hee,Woo, Yeon I,Baek, Hyun Sook,Lee, Seung Jin,Kim, Jeong Koo,Park, Jong Chul Trans Tech Publications, Ltd. 2007 Key Engineering Materials Vol.342-343 No.-
<P>Poly (D,L-latic-co-glycolic acid) (PLGA) has been used as the artificial scaffold for blood vessel formation. In order to hinder smooth muscle cell (SMC) angiogenesis, new scaffold design method of loading Epigallocatechin 3-O-gallate (EGCG) on PLGA film was introduced. PLGA and EGCG were dissolved in acetone and film-shape scaffold was manufactured. Antiangiogenetic effect of EGCG released on scaffold was analyzed for SMC and human umbilical vein endothelial cell (HUVEC) and method for selective inhibition from the difference of growth of SMC and HUVEC was suggested.</P>
Optimized Lamina Size Maximizing Yield for Cross Laminated Timber Using Domestic Trees
Gi Young Jeong,Jun Jae Lee,Hwanm Yeong Yeo,Jung Pyo Hong,Hyung Kun Kim,Won Tek So,Woo Yang Chung 한국목재공학회 2013 목재공학 Vol.41 No.2
The goal of this study was to find the optimum lamina size from red pine, (Pinus densiflora), and Japanese cedar, (Cryptomeria japonica), logs for the cross laminated timber, (CLT), production. From visual inspection of the logs from two species, red pine log showed a larger knot and warp compared to the Japanese cedar Different cross-sectional size of lamina, (110 mm × 30 mm, 110mm × 40 mm, 110 mm × 50 mm, 50 mm × 30 mm, 30 mm × 30 mm), from two species were analyzed for yield and grade. Regardless of the species, the optimized cross sectional size for maximizing the yield was 110 mm × 30 mm. In grading for the different size laminas from Japanese cedar and red pine, a higher percentage of the first and second grade was found from the 110 mm × mm lamina cut.
Toxicity Test of Wound Covering Material on Animals
Lim, Hye Ryeon,Baek, Hyun Sook,Lee, Mi Hee,Woo, Yeon I,Lee, Tek Hyung,Park, Jong Chul Trans Tech Publications, Ltd. 2007 Key Engineering Materials Vol.342 No.-
<P>Adhesions are abnormal attachments between tissues, caused by an inflammatory stimulus or trauma. It was generally used physical barriers and various agents to prevent from adhesions formation. In this study, we made an experiment on animals with wound covering material of substance to prevent tissue adhesion. It was performed in sub-acute toxicity, and tested local effects after implantation.</P>