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홍명화(Myung Wha Hong),남윤자(Yoon Ja Nam) 한국복식학회 2000 服飾 Vol.50 No.1
The results of this study were as follows: The quilt has been used for warmth, supporting materials, protection, religious uses, decoration and giving stability of shapes. Quilt is developed from monk`s robe of lags, and the word `nubi` is originated from `nabeui` in both Korea and Japan. Korean quilt was used mainly for warmth: Japanese one was used for warmth and supporting materials. The techniques used for traditional Korean quilt were parallel vertical hand stitches. On the other hand, Japanese traditional quilt uses various motifs of sashiko which is similar to embroidery and named by region. Korean quilt can be divided into three types by the stitch intervals: Fine quilt(Jan nubi), Medium quilt(Jung nubi) and Wide quilt(Demun nubi). Japanese quilt has been developed in east-north region, and can be grouped into sashiko, kogin and hishizashi by motifs of quilt. Korean quilt costumes are stuffed with cotton between the outer fabrics and linings, and stitched vertically on the fabrics. Main fabrics used were silk and cotton. Japanese quilt costume uses cotton yarns for stitching on flax or cotton fabrics, and main uses of the quilt costumes were working clothes of working classes. Both Korean and Japanese quilt costumes contain of family`s health, happiness and longevity. In summary, Korean quilts use two layers of fabrics and stuff them with cotton, and stitch parallel vertical lines to provide warmth. Japanese quilt are sashiko which is stitches of strand in various shapes using cotton yarns, differ by region, and are made for warmth and supporting materials.
홍명화(Hong Myung-Wha) 한복문화학회 2013 韓服文化 Vol.16 No.3
This study is concerned in the constructional features of Korean traditional spectacle cases. It aims to understand the constructional properties of this everyday-use object, and thus to provide basic data for their designs necessary to create high added value. Research method is an analysis of the relics on display at museums and investigation of relevant literature, from Joseon Dynasty up to modern times. Objects of this study are limited to the cases with portable strings. This study has found that the constructional features of traditional spectacle cases differ by the opening and closing method, bridge type, materiel and manufacturing techniques. Materials used include wood, fabric, lacquer, paper, leather, fishskin, hawksbill, cows horns, metal, knit fabric, and others. Manufacturing techniques include sculpture, dyeing, embroidery, quilting, inlay, paper-weaving and knitting. They include traditional craft techniques. It was found that traditional craftsmanship of Korea has been widely employed, which resulted in appearance of a variety of applied expressive methods. Traditional spectacle cases are composed of a body, a string and an ornament. By way of inheriting and developing the unique traditional culture of Korea, we could more than anything else turn out cultural products representative of our distinctive identity in a globalized modern society, thereby contributing to create higher added values. It is only hoped that designs wherein tradition and modernity are in perfect harmony will follow, making best use of the structural features, that is, the open or close type, and the varying expressive and manufacturing techniques according to materials of traditional spectacle cases.
SLUP+WNM 세포지지체에서 osteoblast cell과 saos-2 cell의 in-vitro 세포 배양 특성 비교
조용상(Yong Sang Cho),홍명화(Myung Wha Hong),김소연(So-Youn Kim),이승재(Seung-Jae Lee),이준희(Jun Hee Lee),김영율(Young Yul Kim),조영삼(Young-Sam Cho) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
In this study, a novel technique for dual-pore scaffold fabrication using SLUP (salt leaching using powder) and WNM (wire network molding) was proposed. To fabricated dual-pore scaffold, firstly, PCL with size of 63~100mm and NaCl powders with size of 100~180mm were prepared. Secondly, prepared PCL and NaCl powders were mixed using the stirrer at a certain ratio. Subsequently, stainless-steel needles with size of 500mm were inserted into a designed stainless steel mold. And then, the mixture powders were filled in the stainless-steel mold. Afterword, after the mold was pressurized at 30 MPa for 1 min using a lab-made compressor, the mold was heated to melt PCL powders in an oven at 100℃ for 20 min. Thereafter, after the stainless-steel needles were removed in the stainless-steel mold, the PCL/NaCl structure was separated from the stainless-steel mold. And then, the PCL/NaCl structure was soaked in D.I water for 24 hours using a sonicator to leach out the NaCl particles and dry for 24 hours in the desiccator. Consequently, the remaining PCL structure became the dual-pore scaffold. To analyze surface and cross-section characteristics of scaffolds, scaffolds was observed using SEM. Additionally, cell-culture experiments were performed using CCK-8 assay, ALP and compared with the bio-plotter and SLUP scaffolds.
南潤子,洪明和 慶熙大學校 1986 論文集 Vol.15 No.-
(1) In the experiment of tensile strength(unit ㎏) between raw cotton arid Gal-ott, since raw cotton was 16.7, Gal-ott 20.7, the warp was higher by 24%. In the weft, raw cotton was 30.2 Gal-ott 42.1, thus Gal-ott was much stronger by 39.4% than raw cotton. (2) In the comparison of elongation between raw cotton and Gal-ott, raw cotton was 10.5% in the warp, Gal-ott was 18.4%, thus Gal-ott was stronger by 70% Raw cotton was 15.8% in the weft while Gal-ott was 19.7%, thus Gal-ott was higher by 24%. (3) In the thermal transmittance between raw cotton and Gal-ott, raw cotton was 24.65%, but Gal-ott 23.27, thus Gal-ott was lower. (4) The colorfastness to rubbing of Gal-ott became higher after the third washing. (5) The colorfastness to light of Gal-ott became distinctively low in proportion to the hour it was exposed to light. (6) In the colorfastness to perspiration, it was high in the acid perspiration solution, but low in the alkali perspiration solution. (7) In the colorfastness to washing, staining was high, but it was low in change in color.