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KIM, Juyoung,KIM, Hyunae,JEONG, Do Hyeon,KIM, Sung Han,PARK, Seong Kyu,CHO, Yunhi Japan Society for Bioscience, Biotechnology, and A 2006 Bioscience, biotechnology, and biochemistry Vol.70 No.9
<P>To compare the systemic efficacy of borage oil (<I>Borago officinalis</I>: BO) and gromwell (<I>Lithospermum erythrorhizon</I>), two plant species of the Boraginaceae family, epidermal hyperproliferation was induced in guinea pigs by a hydrogenated coconut oil diet for 8 weeks. Subsequently, guinea pigs were fed diets of BO (group HBO), organic extract (group HGO), or water extract (group HGW) of gromwell for 2 weeks. In groups HGO and HGW, proliferation scores and the level of ceramides, the major lipid maintaining epidermal barrier, were similar with those in normal control group BO fed BO diet for 10 weeks. Despite accumulation of 15-hydroxyeicosatrienoic acid (15-HETrE), the potent anti-proliferative metabolite of γ-linolenic acid (GLA: major polyunsaturated fatty acid in BO), the reversal of epidermal hyperproliferation and the ceramide level of group HBO were less than those of groups HGO and HGW. Taken together, our data demonstrate that gromwell is more effective in reversing epidermal hyperproliferation with a marked increase in ceramides.</P>
Juyoung Kim,Youngae Kim,Hyejeong Yun,Hyemin Park,Sun Yeou Kim,Kwang-Gill Le,Sang-Mi Han,Yunhi Cho 한국영양학회 2010 Nutrition Research and Practice Vol.4 No.5
Oral administration of royal jelly (RJ) promotes wound healing in diabetic mice. Concerns have arisen regarding the efficacy of RJ on the wound healing process of normal skin cells. In this study, a wound was created by scratching normal human dermal fibroblasts, one of the major cells involved in the wound healing process. The area was promptly treated with RJ at varying concentrations of 0.1, 1.0, or 5 ㎎/㎖ for up to 48 hrs and migration was analyzed by evaluating closure of the wound margins. Furthermore, altered levels of lipids, which were recently reported to participate in the wound healing process, were analyzed by HPTLC and HPLC. Migration of fibroblasts peaked at 24 hrs after wounding. RJ treatment significantly accelerated the migration of fibroblasts in a dose-dependent manner at 8 hrs. Although RJ also accelerated the migration of fibroblasts at both 20 hrs and 24 hrs after wounding, the efficacy was less potent than at 8 hrs. Among various lipid classes within fibroblasts, the level of cholesterol was significantly decreased at 8 hrs following administration of both 0.1 ㎍/㎖ and 5 ㎎/㎖ RJ. Despite a dose-dependent increase in sphinganines, the levels of sphingosines, ceramides, and glucosylceramides were not altered with any concentration of RJ. We demonstrated that RJ enhances the migration of fibroblasts and alters the levels of various lipids involved in the wound healing process.
김주영(Juyoung Kim),김지영(Jiyoung Kim),유기윤(Kiyun Yu) 대한공간정보학회 2021 한국공간정보학회 학술대회 Vol.2021 No.11
건축도면 이미지를 활용한 3차원 실내공간정보 구축에서 문제가 되는 사항 중에 하나는 도면에 나타난 기하적 형상을 보존하는 것이다. 딥러닝의 발전에 따라 도면이미지를 딥러닝으로 분류한 수 벡터화 과정을 통해 실내공간정보를 구축하려는 시도가 많이 있지만 딥러닝의 확률론적인 특징으로 인해 형상의 왜곡이 발생하고 있다. 본 연구에서는 스캔된 도면을 폴리곤화 하여 형상을 보존한 수 딥러닝 세그먼트를 폴리곤 분류기로 사용하여 원본 형상을 보존한 도면 벡터 결과물을 획득하였다.
Warping effects in the band and angular-momentum structures of the topological insulator Bi2Te3
Jung, Wonsig,Kim, Yeongkwan,Kim, Beomyoung,Koh, Yoonyoung,Kim, Chul,Matsunami, Masaharu,Kimura, Shin-ichi,Arita, Masashi,Shimada, Kenya,Han, Jung Hoon,Kim, Juyoung,Cho, Beongki,Kim, Changyoung American Physical Society 2011 Physical review. B, Condensed matter and materials Vol.84 No.24
Zhou, Ying,Kim, Ji Whan,Nandhakumar, Raju,Kim, Min Jung,Cho, Eunae,Kim, Youn Soo,Jang, Yoon Hee,Lee, Chongmok,Han, Seungwu,Kim, Kwan Mook,Kim, Jang-Joo,Yoon, Juyoung Royal Society of Chemistry 2010 Chemical communications Vol.46 No.35
<P>OLEDs employing <B>CMB1</B>, a novel binaphthyl-containing bi-nuclear boron complex, as the emitter exhibited bright yellow emission with a luminous efficiency of 2.1 cd A<SUP>−1</SUP>.</P> <P>Graphic Abstract</P><P>OLEDs employing <B>CMB1</B>, a novel binaphthyl-containing bi-nuclear boron complex, as the emitter exhibited bright yellow emission with a luminous efficiency of 2.1 cd A<SUP>−1</SUP>. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c0cc01715a'> </P>
김선녀 ( Seon Nyo Kim ),이주영 ( Juyoung Lee ),신승한 ( Seung Han Shin ),최창원 ( Chang Won Choi ),김이경 ( Ee Kyung Kim ),김한석 ( Han Suk Kim ),김병일 ( Beyong Il Kim ),최중환 ( Jung Hwan Choi ) 대한주산의학회 2015 Perinatology Vol.26 No.3
Purpose: Capillary hemangiomas occur more frequently in preterm infants. We aimed to describe the clinical course of capillary hemangiomas in preterm infants. Methods: The records of preterm infants with a gestational age (GA) of <35 weeks who were admitted to two tertiary neonatal intensive care units from January 2004 to December 2013 and had capillary hemangiomas were reviewed retrospectively. Subgroup analysis of between infants of GA <30 weeks and GA 30-34+6 weeks were done and ad hoc analysis comparing study population and matched preterm infants without hemangioma for investigation of differences in clinical characteristics. Results: Of the 2,772 preterm infants, 112 (4%) infants developed capillary hemangiomas. The majority (91.9 %) of them had a solitary hemangiomas with the trunk was the most commonly involved site (43%). Three quarters of the patients were treated with topical corticosteroid, propranolol or laser treatment. When we divided this population as who were born before or after GA 30 weeks, there was no difference at postmenstrual age (PMA) of onset of capillary hemangiomas (median [IQR], 36+4 [30+5-40+5] vs. 36+2 [33+6-41+1] weeks, P= 0.275). The age at involution of capillary hemangiomas was also not differ between two groups (median [IQR], 7.75 [3.75-12.25] vs. 7.5 [4-13.75] months, P=0.425). There were no statistical differences between preterm infants with capillary hemangiomas and their age, weight and sex matched control preterm infants without hemangiomas in the neonatal and maternal factors. Conclusion: The development of capillary hemangiomas occurred at approximately 36 to 37weeks of PMA regardless of prematurity in preterm infants. Capillary hemangiomas of preterm infants resolved spontaneously and disappear completely by around 7 months of corrected age.