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임예지(Lim, Yea-Ji),윤혜경(Yoon, Hye-Gyung),박예완(Park, Ye-Wan),이연숙(Lee, Yeun-Sook) 한국실내디자인학회 2011 한국실내디자인학회 학술대회논문집 Vol.13 No.1
This research aimed to study on the characteristics of elderly facilities environmental affordance as strategies in response to the aged society. For this, among the documentaries about the aged society, four documentaries were selected. The spatial scenes of domestic and foreign elderly facilities in documentaries were divided according to the spatial category. Among the characteristics of spatial environment of the analysis cases, the 35 scenes picked out from the 123 scenes were utilized. The data were analyzed using the Murtha and Lee’s User Benefit Criteria. The analysis results were the following. Social Facilitation was particularly important at indoor spatial environment of the four affordances. Perceptual Maintenance and Social Facilitation for private spatial environment and Physiological Maintenance and Social Facilitation for common spatial environment were emphasized. Physiological Maintenance and Social Facilitation for management support spatial environment and Social Facilitation for corridor environment were emphasized. Perceptual Maintenance and Social Facilitation were emphasized in outdoor spatial environment. Therefore, for elderly facilities it is important to have Social Facilitation, Perceptual Maintenance and Physiological Maintenance, that support the environment.
The Effect of Irradiation on Meat Products
Yea-Ji Kim,Ji Yoon Cha,Tae-Kyung Kim,Jae Hoon Lee,Samooel Jung,Yun-Sang Choi 한국축산식품학회 2024 한국축산식품학회지 Vol.44 No.4
The effects of irradiation on meat constituents including water, proteins, and lipids are multifaceted. Irradiation leads to the decomposition of water molecules, resulting in the formation of free radicals that can have both positive and negative effects on meat quality and storage. Although irradiation reduces the number of microorganisms and extends the shelf life of meat by damaging microbial DNA and cell membranes, it can also accelerate the oxidation of lipids and proteins, particularly sulfur-containing amino acids and unsaturated fatty acids. With regard to proteins, irradiation affects both myofibrillar and sarcoplasmic proteins. Myofibrillar proteins, such as actin and myosin, can undergo depolymerization and fragmentation, thereby altering protein solubility and structure. Sarcoplasmic proteins, including myoglobin, undergo structural changes that can alter meat color. Collagen, which is crucial for meat toughness, can undergo an increase in solubility owing to irradiation-induced degradation. The lipid content and composition are also influenced by irradiation, with unsaturated fatty acids being particularly vulnerable to oxidation. This process can lead to changes in the lipid quality and the production of off-odors. However, the effects of irradiation on lipid oxidation may vary depending on factors such as irradiation dose and packaging method. In summary, while irradiation can have beneficial effects, such as microbial reduction and shelf-life extension, it can also lead to changes in meat properties that need to be carefully managed to maintain quality and consumer acceptability.
Influence of CYP2D6 genetic polymorphism on pharmacokinetics of active moiety of tolterodine
Ji-Yeong Byeon,이충민,Yea-Jin Lee,Young-Hoon Kim,Se-Hyung Kim,정의현,Won Ki Chae,Yun Jeong Lee,Choon-Gon Jang,Seok Yong Lee 대한약학회 2019 Archives of Pharmacal Research Vol.42 No.2
Tolterodine is metabolized to an active 5-hydroxymethyl tolterodine (5-HMT) by CYP2D6. This study investigated the relationship between CYP2D6 genotypes and pharmacokinetics of tolterodine and its active metabolite in healthy Korean subjects. All volunteers were genotyped for CYP2D6 and divided into four different genotype groups (CYP2D6*wt/*wt [*wt = *1 or *2], CYP2D6*wt/*10, CYP2D6*10/*10, and CYP2D6*5/*10). Each subject received a single oral dose of tolterodine tartrate (2 mg) in single-dose phase of the study. After the single-dose phase of the study, the same subjects received a single oral dose of tolterodine tartrate (2 mg) once daily for 1 week during multiple-dose tolterodine administration phase. Plasma concentrations of tolterodine and 5-HMT were measured by using liquid chromatography-tandem mass spectrometry method. Our study demonstrated that plasma exposure of tolterodine in CYP2D6*10/*10 and CYP2D6*5/*10 group significantly increased, compared with CYP2D6*wt/*wt group (P < 0.001). The pharmacokinetic parameters of 5-HMT were not significantly different in relation to CYP2D6 genotype, as 5-HMT itself is also metabolized by CYP2D6. With regard to active moiety (tolterodine + 5-HMT), Cmax and AUC0–24 was significantly increased in CYP2D6*10/*10 group, compared with CYP2D6*wt/*wt group (P < 0.001). Thus, our study showed the pharmacokinetics of tolterodine and its active moiety was significantly different in relation to CYP2D6 genotype.
발효미생물에 따른 산삼배양근의 대사물질 분석 및 프로파일링
Ji Hye Yoo,Jae Hoo Choi,Chang Heum Kim,Seung Hyuk Choi,Chul Joong Kim,Yea Ji Lee,Jae Geun Lee,Jae Kwang Kim,Seon Kang Choi,Jung Dae Lim,Chang Yeon Yu 한국약용작물학회 2017 한국약용작물학술대회 발표집 Vol.2017 No.05
Background : The study about cultured wild ginseng root (Panax ginseng C. A. Meyer) have been reported mainly ginsenosides in saponins family. However metabolites of fermented wild ginseng roots by microorganisms was not reported yet. Methods and Results : Cultured wild ginseng roots were used for fermentation of ginseng roots using Pediococcus pentosaceus and other bacterial strains. We analyzed different types of ginsenoside contents, metabolite and enzyme contents, and gene expression by using microorganisms. Results showed considerable differences in ginseonoside contents specially Rk1 and Rg5. The highest enzyme activity level was by Glutathione reductase (GR) and Glutathione S transferase (GST) in fermented ginseng roots than control (non-fermented), whereas Glutathione peroxidase (GPX) and Peroxidase (POD) contents were reduced. Score plots and loading plots of principal components 1 of the PCA result obtained from the data on 43 metabolites in fermented wild ginseng root of five conditions. The concentration of metabolite such as β-alanin and 4-aminobutyric acid (GABA), which is used to improve memory were increased in fermented ginseng roots than control. We found functional gene in wild ginseng root related with metabolic process. The APX gene expression gradually increased in fermented ginseng root with respect to fermentation times. Conclusion : In this study, accumulation of functional metabolite in cultured ginseng r
Skin Whitening Effects of Functional Perilla frutescens Fractions Extracts
Ji Hye Yoo(유지혜),Hye Min Han(한혜민),Byeong Ju Kang(강병주),Mi Ran Jeon(전미란),Jae Hoo Choi(최재후),Chang Heum Kim(김창흠),Su Jin Yang(양수진),Si Young Lee(이시영),Jung Dae Lim(임정대),Yea Ji Lee(이예지),Nam Jun Kim(김남준),Jae Ge 한국약용작물학회 2016 한국약용작물학회 학술대회논문집 Vol.2016 No.1