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Chemical Constituents of the Culture Broth of Panus rudis
( Ja-gyeong Song ),( Lee Su Ha ),( Dae-won Ki ),( Dae-cheol Choi ),( In-kyoung Lee ),( Bong-sik Yun ) 한국균학회 2021 Mycobiology Vol.49 No.6
In our ongoing search for new secondary metabolites from fungal strains, one novel compound (1) and nine known compounds (2-10) were isolated from the EtOAc-soluble layer of the culture broth of Panus rudis. The culture broth of P. rudis was extracted in acetone and fractionated by solvent partition; column chromatography using silica gel, Sephadex LH-20, and Sephadex G-10; MPLC; and HPLC. The structures of isolated compounds were elucidated by one- and two-dimensional NMR and LC-ESI-mass measurements. One new compound, panepoxydiol (1), and nine known compounds, (E)-3-(3-hydroxy-3-methylbut-1-en-1-yl)-7-oxabicyclo[4.1.0]hept-3-ene-2,5-diol (2), isopanepoxydone (3), neopanepoxydone (4), panepoxydone (5), panepophenanthrin (6), 4-hydroxy-2,2-dimethyl-6-methoxychromane (7), 6-hydroxy-2,2-dimethyl-3-chromen (8), 2,2-dimethyl-6-methoxychroman-4-one (9), 3,4-dihydroxy-2,2-dimethyl-6-methoxychromane (10), were isolated from the culture broth of P. rudis. This is the first report of isolation of a new compound panepoxydiol (1) and nine other chemical constituents (2-5, 7-10) from the culture broth of P. rudis.
Chemical Constituents of the Culture Broth of Panus rudis
Song, Ja-Gyeong,Ha, Lee Su,Ki, Dae-Won,Choi, Dae-Cheol,Lee, In-Kyoung,Yun, Bong-Sik The Korean Society of Mycology 2021 韓國菌學會誌 Vol.49 No.6
In our ongoing search for new secondary metabolites from fungal strains, one novel compound (1) and nine known compounds (2-10) were isolated from the EtOAc-soluble layer of the culture broth of Panus rudis. The culture broth of P. rudis was extracted in acetone and fractionated by solvent partition; column chromatography using silica gel, Sephadex LH-20, and Sephadex G-10; MPLC; and HPLC. The structures of isolated compounds were elucidated by one- and two-dimensional NMR and LC-ESI-mass measurements. One new compound, panepoxydiol (1), and nine known compounds, (E)-3-(3-hydroxy-3-methylbut-1-en-1-yl)-7-oxabicyclo[4.1.0]hept-3-ene-2,5-diol (2), isopanepoxydone (3), neopanepoxydone (4), panepoxydone (5), panepophenanthrin (6), 4-hydroxy-2,2-dimethyl-6-methoxychromane (7), 6-hydroxy-2,2-dimethyl-3-chromen (8), 2,2-dimethyl-6-methoxychroman-4-one (9), 3,4-dihydroxy-2,2-dimethyl-6-methoxychromane (10), were isolated from the culture broth of P. rudis. This is the first report of isolation of a new compound panepoxydiol (1) and nine other chemical constituents (2-5, 7-10) from the culture broth of P. rudis.
자카드직물의 문양표현에 영향을 미치는 의장(design)방법 연구
송경자(Song Gyeong-Ja),진영길(Chin Young-Gil) 한국복식학회 2005 服飾 Vol.55 No.4
The purpose of this study was to research the design methods to express jacquard design using CAD. For this study, two design patterns were divided; in addition, each design pattern is applied to two different weaving types, single woven fabric and double well cloths. As a result, 16 samples were produced by applying 4 design methods (warp shrunk as half size design/weft shrunk as half size design - A, warp shrunk as half size design/weft original size design - B, warp original size design/weft shrunk as half size design - C, warp original size design/weft original size design - D) to the two design patterns with the two weaving types. The result of this study can be summarized as follows. 1. The most delicate design method was Method D. However, Method B which took half the time less than Method D was almost as delicate as the Method D on the surface. 2. Method B was judged as a considerably efficient method for time and cost. 3. Method D was considered as most suitable for elaborate parts and delicate lines. However, it was considered uneconomical since it took the longest time. 4. Mettled A took 2.5 times less time than Method D. Therefore, Method A was more applicable to producing high density design. 5. Method C is not considered as a useful method as it showed rough surface and took long time by applying high design zoom except intentional design.
CAD를 활용한 자카드 텍스타일 디자인 개발 프로세싱 연구 -넥타이 디자인을 중심으로-
송경자 ( Gyeong Ja Song ),진영길 ( Young Gil Chin ) 한국의류산업학회 2005 한국의류산업학회지 Vol.7 No.1
This study attempts to address the development processing of yarn-dyeing jacquard design by using jacquard textile design professional CAD system to create high valued worth products. To carry out this purpose, two kinds of necktie samples were designed and each of them was different in three types of weaving method. The results arc as follows; All over typo is appropriate when the motive`s size is small. And the work can be finished within short time and design can he illustrated by basic jacquard system. However, one point type can represent rather big and audacious motive but it needs lots of working hours and jacquard system. Though the motives are identical, showed many changes in cubicle representation according to weaving methods and the structure. To express simple and modest design, single fabric woven is suitable and in the need of colorful and technical design, expressing by double weft cloths and triple weft cloths rather than single firbric woven are better to give creativity and colorfulness. For the production of jacquard design, cad system using ability is important but the understanding and study of the whole process of weaving development should he made.
창의성 증진을 위한 교과 내용의 범위와 계열 선정에 관한 숙의: 초등 국어과를 중심으로
김경자 ( Kim Gyeong Ja ),유은경 ( Yu Eun Gyeong ),송희승 ( Song Hui Seung ) 한국교육과정학회 2003 교육과정연구 Vol.21 No.3
Current studies indicate that threshold content knowledge in subject areas is needed to produce creative produds or solutions. Many studies in cognitive science confirm it. Reviewing the studies, subject specific creativity can be defined as an ability to produce a novel and appropriate produds or solutions based on a subject (domain) specific knowledge. The mental process of creativity is the same across the subjects. But creative products or solutions are different across the subjects because each subject has its own distinguished logical structures and ways of thinking. Then, it can also be concluded that subject specific knowledge determines subject specific creativity. Accepting the meaning of subject specific creativity and assuming the importance of content knowledge of subject areas to enhance creativity in students, this study deliberated to select and organize scope and sequence of content knowledge of Korean Language Arts in elementary schools in a manner to enhance creativity in students. To do so, the 7th amended national Korean Language Arts is analyzed. Suggestions from Korean Language Arts specialists, current researches, and Language Arts curriculum in various countries were also explored. As a result, domains of knowledge in Korean Language Arts were identified as a broad range of texts, processes and strategies, and systems and structures of Korean Language. Content of language usage skills were defined as reading, writing, listening, speaking, viewing, and visualizing. A graphic two-dimensional chart was employed to conveniently structure grade level content knowledge without omitting important knowledge. On the left vertical column, language usage skills were shown and on top of the horizontal line, texts knowledge, processes and strategies knowledge, and systems and structures of Korean Language were laid. Using the two-dimensional chart in this way, scope and sequence of Korean Language Arts and grade level content standards were successfully developed. This study will contribute to balancing content knowledge and creative thinking process to promote creativity in students.
Ja Gyeong Gu,Jung Min Park,Su Jin Yoon,Byoung Ki Ahn,Chang Won Kang,Jae Chul Song,Jin Man Kim 한국축산식품학회 2011 한국축산식품학회지 Vol.31 No.3
This study was conducted to investigate the effect of immersion treatment using lactic acid (LA) and sodium benzoate (SB) on the physicochemical quality and freshness of spent hen breast meats. A total of 135 spent hen breast meats were subjected to 9 different treatments using various concentrations of LA and/or SB in sterile DW. The 9 treatment groups were as follows: Control, sterile DW without LA or SB; T1, 1% LA; T2, 2% LA; T3, 4% LA; T4, 1% LA and 0.1% SB; T5, 2% LA and 0.1% SB; T6 2% LA and 0.2% SB; T7, 2% LA and 0.4% SB; T8, 4% LA and 0.2% SB, respectively. All groups were kept at 4oC for 15 d. The microbial counts in the control group gradually increased during storage, but those for the treated groups were significantly lower than the control or were not detected. The pH values of the control were significantly higher than those of the treated groups (p
Gu, Ja-Gyeong,Park, Jung-Min,Yoon, Su-Jin,Ahn, Byoung-Ki,Kang, Chang-Won,Song, Jae-Chul,Kim, Jin-Man Korean Society for Food Science of Animal Resource 2011 한국축산식품학회지 Vol.31 No.3
This study was conducted to investigate the effect of immersion treatment using lactic acid (LA) and sodium benzoate (SB) on the physicochemical quality and freshness of spent hen breast meats. A total of 135 spent hen breast meats were subjected to 9 different treatments using various concentrations of LA and/or SB in sterile DW. The 9 treatment groups were as follows: Control, sterile DW without LA or SB; T1, 1% LA; T2, 2% LA; T3, 4% LA; T4, 1% LA and 0.1% SB; T5, 2% LA and 0.1% SB; T6 2% LA and 0.2% SB; T7, 2% LA and 0.4% SB; T8, 4% LA and 0.2% SB, respectively. All groups were kept at 4oC for 15 d. The microbial counts in the control group gradually increased during storage, but those for the treated groups were significantly lower than the control or were not detected. The pH values of the control were significantly higher than those of the treated groups (p<0.05). In the color measurements, the lightness ($L^*$) and yellowness ($b^*$) values increased during storage and the redness ($a^*$) values decreased (p<0.05). The K-value and volatile basic nitrogen of the treated groups were significantly lower than those of the control group (p<0.05). Overall, the combined results of this study indicate that LA and SB could be used as favorable preservatives for spent hen breast meats to extend their shelf-life during refrigerated storage.
고도 이형성의 관상선종을 동반한 Gastritis Cystica Profunda
송영림 ( Song Yeong Lim ),박준용 ( Park Jun Yong ),김용범 ( Kim Yong Beom ),강기주 ( Kang Gi Ju ),김희선 ( Kim Hui Seon ),최대로 ( Choe Dae Lo ),윤호성 ( Yun Ho Seong ),이자영 ( Lee Ja Yeong ),김경호 ( Kim Gyeong Ho ),이진헌 ( Lee 대한소화기학회 2004 대한소화기학회지 Vol.43 No.1
Gastritis cystica profunda is usually characterized by hyperplastic and cystic dilatation of pseudopyloric gland with submucosal invasion. These lesions possess malignant histologic features as metaplastic and even dysplastic alteration can be observed, however they usually exhibit benign behavior. Macroscopically, gastritis cystica profunda may present as a submucosal tumor or as a polyp. In rare case, however, it can be found as a giant mucosal fold. The proposed pathogenesis of lesion relates to ischemia, chronic inflammation, and the presence of foreign body. Herein, we report a case of gastritis cystica profunda associated with high grade tubular adenoma in a patient without antecedent surgery. (Korean J Gastroenterol 2004;43:52-55)