• Korean Journal of Environment and Ecology
• /
• v.6 no.2
• /
• pp.180-192
• /
• 1993

This study was conducted to investigate bird community and to suggest a proper way how to manage and protect bird community in Sobaeksan National Park. The survey was carried over 3 main trail districts by line transect method to figure out influence factor of inhabitation of wild birds from February to October in 1992. The study results as follows: The observed birds were belong to 9 orders l2 families 58 species, they also have Sparrow Hawk dccipiter nisus, Kestrel Faleo tinnunculus(natural monument no. 323). Scops Owl I'otus scops(natural monument no. :324), Black Woodpecker Dryoaepus martius(natural monument no. 242. R). White-backed Woodpecker Dendroaepos leuotes(R) and Gray-backed Thrush Turdus hortulorum(R). These birds a]so classified into 31 species for residents. 17 species for summer visitor, 6 species for winter visitor. 4 species for passage migrant, respectively. Species richness was 38 species at spry, 33 species at summer. 26 species at autumn and 22 species at winter. The density was 3.00 ea /ha at spring, 2.37 ea /ha at summer, 3.62 ea /ha at autumn and 2.88 ea /ha at winter. Breeding bird community in Sobaeksan National Park was dominated by Hole, Bush-nesting guild and Canopy-foraging guild. Natural vegetation of 900m altitude in 1st section and the grassy plain in 2nd section are to be protected absolutely for the habituation of wild birds. Species richness in 3rd section was higher than any other section owe to a various habitat such as valley. open lands, orchid, farm land and forest etc. Food plants and broad-leaved forest is to be managed for the provision of opulent food resources in autumn and winter, user is to be managed for the successful propagation of wild birds in spring and autumn.

• Korean Journal of Agricultural Science
• /
• v.36 no.2
• /
• pp.129-134
• /
• 2009

Objectives of this study was to find the effect on two different nitrogen levels about agricultural characteristics of CNU rice lines developed at Crop Genetics and Breeding Laboratory, Chungnam Nat'l Univ.. Materials used were two black and one white glutinous rice lines, which were transplanted by hand with $30{\times}15cm$ at CNU paddy field on May 23, 2009. These lines was designed with two replication by two nitrogen levels as 7kg and 9kg per 10a. As the result; Culm length of all lines used were higher at 7kg than 9kg per 10a while panicle length was longer at 9kg nitrogen level. Tillers per plant of CNU 08-01 and CNU 08-02 lines except CNU 08-101 showed highly at 9kg level, but that of other leading varieties were not constant trends in spite of increasing nitrogen. Ripening ratio of CNU 08-01 and 08-02 lines were higher at 7kg but CNU 08-101 line was higher at 9kg. 1,000 grain weight and unhulled rice yield per 20 plants in all CNU lines were highly appeared at 9kg levels per 10a.

• Maxillofacial Plastic and Reconstructive Surgery
• /
• v.15 no.1
• /
• pp.63-79
• /
• 1993

To repair bony defects with tansplanted bone in the body, fresh autogenous bone is undoubtly, the most effective bone graft for clinical applications. But the demineralized bone has the matrix-induced bone formation which was suggested by Urist in 1965. Many authors assisted that demineralized bone powder induces phenotypic conversion of mesenchymal cells into osteoblasts, with high-density bone formation. The process of inducing differentiated cells becomes osteogenic properties. The purpose of this study was to evaluate the osteoinductive capacity of allogenic freeze-dried demineralized bone block (FDD, $7{\times}7mm$) and to compare FDD with the same sue of deep-frozen allogenic bone(DF), fresh autogenous bone (A) after implantation. The histological and ultrastructural features of tissue responses were examined after 1, 2, 4, 6, 8 weeks implantation of each experimental groups in the operative site of the New Zealand white rabbits. The results were as follows : 1. Inflammatory cell infiltration generally has appeared at 1 week, but reduced at 4 weeks in each group, but most severe in DF group. 2. Osteoblastic activity has increased for 4 weeks, but decreased at 6 weeks in each group and there was no significant difference among experimental groups. 3. New bone formation has begun at 1week, least activations in A groups, and showed the revesal line of bone formation among each group at 6 to 8 weeks. 4. Bone resorption has appeared at 1 week, but disappeared at 4 weeks in both A and DF groups, but more severe in DF than A groups. 5. In ultrastructural changs, the DF group have showed the most remarkable osteoclastic activities among experimental groups. 6. Osteoid or tangled collagen fibrils near the implanted sites were replaced by more mature, lamellated bony trabeculae during bone remodeling. There was little difference among each experimental groups. 7. During the convertion osteoblasts to osteocytes which embedded within the bone matrix, there was organ-less-poor cytoplasm, increased nuclear chromatin, abundant rough endothelial reticulum (RER) in each groups. From the above the findings, the DF group shored more bone resorption and foreign body reaction than FDD and A groups, and FDD group showed more new bone formation or osteoblastic activity than DF and A groups in early stage. There was no significant difference of cellular activities among the FDD DF, and A groups according to the time.

• Journal of the Korean Society of Clothing and Textiles
• /
• v.32 no.12
• /
• pp.1950-1962
• /
• 2008

Today the importance of color image is increasing for the brands as well as the products. This study was performed to classily the color image of baby's wear brands and to suggest how the color is effectively planned for the image. In order to classify the color image of 7 baby's wear brands, color palettes of 7 brands were also made by 6 subgroups, each season(summer, fall) by gender(boy, girl, new-born) and based on manufactured garments which were collected by on-line shops. Questionaries were organized with 40 pieces of the color palettes prints for 6 subgroups by 7 brands and 20 baby's wear image adjectives. The total 320 copies were used in the survey to students majored in fashion design. Questionaries were analyzed by factor analysis from SPSS 12.0 package program. There are 4 main factors for the color images of baby's wear brands, 'liveliness', 'loveliness', 'chic', 'neatness'. Not hue, but tone is more important to express the characteristics of color images of baby's wear brands. Also white and black are importantly used for baby's wear. The consistency of the brand color image across gender and season is very important to identify and strengthen the color image of brand.

• Horticultural Science & Technology
• /
• v.33 no.2
• /
• pp.292-297
• /
• 2015

A new cultivar of Hibiscus 'Red Bohanjae' (Hibiscus syriacus 'Red Bohanjae') was developed after crossing between Hibiscus syriacus 'Andong' (♀) with white flowers and Hibiscus syriacus 'Samchully' (♂) with pink flowers to improve flower quality and growth habit. The Hibiscus breeding program was initiated in 2002, and H. syriacus 'Red Bohanjae' was preliminarily selected as '02-RV-17' in 2003 due to its stable flower quality with rich pink flowers and small tree type. The selected line was further evaluated for growth characteristics, leaf shape, leaf size, flowering characteristics, and tested for distinctness, homogeneity, and stability during 2004-2007. The characteristics preserved by grafting. 'Red Bohanjae' showed a small growth habit with slightly upright branches. The tree had potential use as a potted plant or bonsai because of its dwarf form. The new cultivar 'Red Bohanjae' had violet-pink color flowers (RHS N78C) with red eye spots, small size (9.2 cm) and spatulate (I-type) petals. Leaves were 4.2 cm long and 2.3 cm wide. After the evaluation of plant characteristics for 3 years (2005-2007), it was registered as cultivar 'Red Bohanjae' (4118, plant variety protection rights number) in 2012. 'Red Bohanjae' having violet-pink flowers with red eye and dwarf tree form seems to be suitable for pot or bonsai cultivation in both indoor and outdoor conditions.

• Journal of Fashion Business
• /
• v.14 no.1
• /
• pp.86-105
• /
• 2010

Vintage fashion is a lot influenced by colors because an emotion is transmitted via images of "old feeling", "worn-out feeling" and "faded feeling" etc. Colors are visual sensation occurring at a time when lights stimulate an eye, which is a representative factor which humans first perceive when they touch objects. And colors in clothing function as a critical element which indicates an individual's impression and character as well as aesthetic sensation. In this study, I examined on the theoretical consideration and aesthetic characteristics via the previous literature on vintage fashion and colors. As an empirical study, I investigated on the colors of vintage fashion appearing in Pr$\hat{e}$t-$\grave{a}$-porter Collections, Paris from Spring/Summer, 2003 to Fall/Winter 2008. As a way for study, I investigated into the total 197 vintage fashion photos and calculated their RGB values by using photoshop. And I converted the values of the colors extracted into H V/C values by using Munsell Conversion Version 9.0.6 and analyzed on Munsell System of 10 Color Notation and the PCCS colors, classifying a color scheme by visual sensation measurement. The result of analyzing on the concept of vintage fashion and its color characteristics is as follows; Vintage fashion made an appearance the most in 2003 and 2004 and its colors appeared a lot in Y, YR, R and PB lines. Color tone concentrated on black and white, achromatic color and low chroma colors in a grayish line, chromatic color. Thus, the study found that colors suitable for a "worn-out", "faded" and "old" image are properly reflected in vintage fashion rather than a clear and bright background. In a color scheme, I found contrast color and same color appearing a lot, which gave an unharmonious feeling and a smack of the country. The study reveals that the color characteristic of vintage fashion is relatively diverse and complex in color, color tone or shade and color scheme, which shows a color trend which reflects a non-constructive and complex coordination characteristic instead of a standardized simple and clear image.

• The Journal of Internal Korean Medicine
• /
• v.32 no.2
• /
• pp.153-169
• /
• 2011

Objectives : This study was performed to investigate the anti-fibrogenic effect and the effect on cell growth and apoptosis in YJCGT, YJCGT YSO and YJCGT YSCO on thioacetamide-induced rat liver tissue and the immortalized human hepatic cell line LX2. Materials and Methods : LX2 cells were treated with various concentrations (0, 50, 150, 300 ug/ml) of YJCGT, Y+YSO, and Y+YSCO extract for 24, 48 and 72 hours. After the treatment, cell viability was measured by using MTT assay. Caspase inhibitor assay, and cell viability were determined by a colorimetric assay with PMS/MTS solution. Rat liver fibrosis was induced by intraperitoneal thioacetamide injection 150 mg/kg 3 times a week for 5 weeks. After the treatment, body weight, liver & spleen weights, liver function test, the complete blood cell count and the change of portal pressure were studied. After YJCGT, Y+YSO, and Y+YSCO treatment, percentages of collagen in thioacetamide-induced rat liver tissue were measured. Results : The viability of the LX2 cell decreased in a dose- and time-dependent manner. Exposure of LX2 cells to YJCGT, YJCGT+YSO and YJCGT+YSCO induced caspase-3 activation, but co-treatment of YJCGT, YJCGT+YSO and YJCGT+YSCO with the pan-caspase inhibitor Z-VAD-FMK, and the caspase-3 inhibitor Z-DEVE-FMK, blocked apoptosis. There was no difference in rat body weight between the thioacetamide only group and the YJCGT, YJCGT+YSO and YJCGT+YSCO groups. In the YJCGT, YJCGT YSO and YJCGT YSCO groups, the serum level of GPT significantly went down compared with the thioacetamide only group. In the YJCGT, Y+YSO, Y+YSCO groups, white blood cell elevated by thioacetamide injection decreased but RBC, Hgb, and Hct increased. In the Y+YSO group, the portal pressure elevated by thioacetamide injection significantly decreased. In the histological finding, thioacetamide injections caused severe fibrosis, but YJCGT, Y+YSO, and Y+YSCO treatment significantly reduced the amounts of hepatic collagens. Conclusions : YJCGT, Y+YSO, and Y+YSCO inhibit the growth of LX2 cells by inducing apoptosis through caspase activity. YJCGT, Y+YSO, and Y+YSCO have beneficial effects on the treatment of cirrhotic patients as well as patients with chronic hepatitis.

• Journal of Korean Ophthalmic Optics Society
• /
• v.12 no.3
• /
• pp.19-25
• /
• 2007

It was studied how using soft contact lens multi-purpose solution (MPS), often used for medical treatment, effects the inhibition on cell growth, and how using the MPS demages eye cells, on rabbit eye's corneal epithelium and endothelium tissue. $ReNu^{(R)}$ (Baush & Lomb, USA), Opti-free $express^{(R)}$ (Alcon, USA), Free-sol $plus^{(R)}$ (Hanamedicon, Korea) were used as MPS. After culturing Clone 1-5C-4 cell lines (Human conjunctival cell lines), cell growth inhibition rate was measured by MIT assay. By making Hematoxylin and Eosin stain specimen, the morphology was observed by optical microscope. In the In vivo experiment, 9 white rabbit eyes (18 eyes) were classified into 3 groups. The experiment group is left eyes (9 eyes) of rabbit, and MPS were dropped; however the control group, the right eyes (9 eyes), were only used a saline solution without a preservatives. After the dropping within the period, the cornea surface of rabbit endothelium tissue was observed using scanning electron microscopy (SEM).

• Korean Journal of Poultry Science
• /
• v.41 no.3
• /
• pp.151-157
• /
• 2014

Korean native chicken (KNC) is classified as five lines (grey, black, red, white, brown) based on the plumage colors. The KNC has superior meat quality and flavor compared with those of the commercial broilers, which can be explained by the high arachidonic acid contents. The current study was conducted to investigate arachidonic acid contents in five lines of KNC and used for the development of commercial KNC. Breast and thigh muscles from 597 F1 KNC birds were used in this study and linoleic (precursor of the arachidonic acid) and arachidonic acid contents were measured by the standard protocol. In addition, heritabilities and genetic correlations were estimated. As the results, arachidonic acid contents were significantly different among the KNC lines. Also, relatively high heritabilities (0.414~0.570) for arachidonic acid contents were estimated in both breast and thigh muscles. The estimated genetic correlation was negative between linoleic and arachidonic acids. This study indicated that selection of KNC is possible for improving meat flavor in relation to the arachidonic acid. Also, this study can be used for making breeding plans for commercial KNC in the future.

• Journal of Microbiology and Biotechnology
• /
• v.28 no.5
• /
• pp.707-717
• /
• 2018

Leukocytes are reportedly the first line of the innate immune defense and essential for the control of common bacterial infections. Therefore, in this work, the antibacterial activity of crocodile leukocyte extract against Propionibacterium acnes was evaluated, and we also characterized the related activity of skin infection. The leukocyte extract showed the minimum inhibitory concentration to be $100{\mu}g/ml$ to P. acnes. SEM imaging demonstrated that the leukocyte extract adversely affected P. acnes cell permeability in a concentration-dependent manner. Furthermore, the crocodile leukocyte extract could significantly reduce proinflammatory markers and decrease inflammatory signs in infected mouse ears. The crude leukocyte extract was further purified using FPLC and RP-HPLC. The resulting fraction F5 was indicated as the anti-acne peptide-containing fraction. The molecular mass of the peptide contained in F5 was calculated to be 4,790.5 Da. N-Terminal sequencing revealed the amino acid sequence as GPEPVPAIYQ, which displays similarities to immunoglobulin A and leucine-rich repeat neuronal protein. This is the first reported amino acid sequence of a crocodile leukocyte extract that possesses anti-acne activity. To attempt to use it in a prototype cosmetic, an anti-acne gel containing crude crocodile leukocyte extract was formulated, resulting in seven gel formulations (G1, G2, G3, G4, G5, G6, and G7). The formulations G5, G6, and G7 exhibited 2-fold higher anti-acne activity than G1-G4. Investigation of accelerating stability studies of anti-acne gel formulations G5, G6, and G7 demonstrated that a low storage temperature ($4^{\circ}C$) is suitable for maintaining the physical properties and biological activity of the anti-acne gel products.