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Eun Ju Hwang,Su Yeon Jeong,김민지,Jun Seong Jeong,Keon Hee Lee,Na Ra Jeong,Jeong Sun Park,Deuk-Soo Choi,Kyu-Ock Yim,Iksoo Kim 한국응용곤충학회 2020 Journal of Asia-Pacific Entomology Vol.23 No.1
Korean greenhouse strawberries are mostly cultivated from October to May, which includes the cold winter season. During this time, the population size of the spotted-wing drosophila (SWD), Drosophila suzukii Matsumura (Diptera: Drosophilidae), is expected to decrease in the wild, and is also expected to decrease inside the greenhouses, as long as SWD are not already present inside. Field surveys of SWD have been extensively carried out for field-grown agricultural fruits, but no study has been conducted for greenhouse fruits, such as strawberries. In this study, SWD capture patterns were examined inside and outside of the greenhouse blocks, and in the nearby woodlands in a southwestern locality of Korea using selected traps and attractants for nearly 19 months—in addition to several greenhouse blocks—during the strawberry cultivating periods. The highest capture period was observed from October to mid-December in woodlands, whereas capture number subsequently and sharply decreased up to mid-April, resulting in mostly zero-captures or low captures (≤10). During this period, a zero-capture period was observed inside the greenhouse that lasted for nearly three months (late December to late February). An incubation of the fallen strawberries supported the results of trap capture from inside the greenhouses. Taken together, the occurrence of SWD in the strawberry greenhouses is likely to be highly dependent on that of the nearby woodlands. Thus, a sharp winter drop and the subsequent zero- or lowcapture periods in the woodland areas were likely responsible for the observed zero-capture periods inside the greenhouses.
페닐부타존에 의해 간손상이 유발된 생쥐의 유전자 발현 분석
이은주(Eun-Ju Lee),정인해(In-Hye Jeong),김한나(Han-Na Kim),정희경(Heekyoung Chung),공구(Gu Kong),강경선(Kyung-Sun Kang),윤병일(Byung-IL Yoon),이병훈(Byeong Hoon Lee),이미옥(Mi-Ock Lee),김주한(Ju Han Kim),김형래(Hyung-Lae Kim) 한국독성학회 2006 Toxicological Research Vol.22 No.2
The KFDA (Korea Food & Drug Administration) has performed a collaborative toxicogenomics project since 2003. Its aim is to construct a toxicologenomic database of 12 hepatotoxic compounds from mice livers. Phenylbutazone which is non-steroidal anti-inflammatory drug was assigned. It was administered at low (0.0238 ㎎/㎏) and at high (0.238 ㎎/㎏) dose (5 mice per group) orally to the postnatal 6 weeks ICR mice, then the serum and liver were collected at the indicated time (6, 24 and 72 h) after administration. Serum biochemical markers for liver toxicity were measured and histopathologic studies also were carried out. The gene expression profiling was carried out by using Applied Biosystems 1700 Full Genome Expression Mouse. The 2-way ANOVA was used to find genes that reflected phenylbutazone-induced acute toxicity or dose-dependant changes. By self-organization maps (SOM), we identified groups with unique gene expression patterns, some of them are supposed to be related to phenylbutazone induced toxicity, including lipid metabolism abnormality, oxidative stress, cell death and cytoskeleton destruction.
도시 근로자의 스트레스 생활사건과 건강상태와의 관계연구
김인숙,주경옥,나덕미 朝鮮大學校 附設 醫學硏究所 1989 The Medical Journal of Chosun University Vol.14 No.1
The purpose of this study was to find the relationship between stressful life events and health status. The samples used for this study were randomly sampled 136 questionnaires of workers who worked at eight banks located in Kwang-Ju from 28th July to 9th August. 1986. Two instruments used in this study were as follows; first, Holmes & Rahe(1967)'s S.R.R.S was translated and amended. Second, modification of Cornell Medical Index was used to measure health status. The results of this study were as follows; 1. The first hypothesis, stressful life events will depend on general characteristics(age sex, marital status, socio-economic status) showed the significance according to sex(t=.396, P<.05) and educational level(F=.639, p<.05), therefore it was partially accepted. 2. The second hypothesis, health status were changed in proportion to stressful life events, was not significant. 3. As the result of measuring the stressful life events the average value were ranged from 69.15 to 6.50.Personal & social problems (69.15), home & family problems(52.05) showed relatively high value and religious problems(6.50) showed relatively low value. 4. As the result of measuring the health status, average rate of appeal was 13.34. Measured the rate of physical and mental health problems of health status, the average of them were 8.32 and 5.02. 5. The relationship between socio-economic status and stressful life events was not significant.
Kim, Yun Na,Lee, Jae Sun,Ock, Kwang Ju,Jeong, Eun Ju Korean Magnetic Resonance Society 2019 Journal of the Korean Magnetic Resonance Society Vol.23 No.4
Allium hookeri (Liliaceae) has been received the increasing attention as a bioactive resource due to its potent biological activities including anti-oxidant, anti-obesity, anti-microbial and lipid-regulating activities. The beneficial effects of A. hookeri are known contributed from the high content of organosulfur compounds in A. hookeri. Though a variety of articles demonstrated that A. hookeri contains 'saponin' as a bioactive constituent, the scientific evidence to prove it was limited. In the present study, we have attempted to identify saponin contained in A. hookeri through chromatographic isolation and NMR spectroscopic methods. As a result, a spirostane-type steroidal saponin (1) has been successfully isolated from the methanolic extract of A. hookeri roots. The structure of 1 was elucidated by extensive 1D and 2D spectroscopic methods including <sup>1</sup>H-NMR, <sup>13</sup>C-NMR, <sup>1</sup>H-<sup>1</sup>H COSY, HSQC, HMBC and NOESY; identified as (3β, 22R, 25S)-spirost-5-en-3yl O-6-deoxy-α-L-mannopyranosyl-(1→4)-O-6-deoxy-α-L-mannopyranosyl-(1→4)-O-[6-deoxy-α-L-mannopyranosyl-(1→2)]-β-D-gluco pyranoside. 1 showed the significant inhibitory activity on mushroom tyrosinase with IC<sub>50</sub> values of 248.7 μM while the inhibition on alpha-glucosidase was not significant.
Yang, Min Hye,Kim, Na-Hyun,Heo, Jeong-Doo,Rho, Jung-Rae,Ock, Kwang Ju,Shin, Eui-Cheol,Jeong, Eun Ju Hindawi 2017 Evidence-based Complementary and Alternative Medic Vol.2017 No.-
<P>Despite the nutritional and medicinal values of<I> Allium hookeri</I>, its unique flavor (onion or garlic taste and smell) coming from sulfur containing compounds limits its usage as functional food. For comparative study,<I> A. hookeri</I> roots were prepared under two different drying conditions, namely, low-temperature drying that minimizes the volatilization of sulfur components and hot-air drying that minimizes the garlic odor and spicy taste of<I> A. hookeri</I>. In GC/MS olfactory system, the odorous chemicals and organosulfur compounds such as diallyl trisulfide, dimethyl trisulfide, and dipropyl trisulfide were significantly decreased in hot-air drying compared to low-temperature drying. The spiciness and saltiness taste were noticeably reduced, while sourness, sweetness, and umami taste were significantly increased in hot-air dried<I> A. hookeri</I> according to electronic tongue. Although the content of volatile sulfur components was present at lower level, the administration of hot-air dried<I> A. hookeri</I> extract (100 mg/kg<I> p.o.</I>) apparently prevented the body weight gain and improved insulin resistance in C57BL/6J obese mice receiving high fat diet. Results suggested that the hot-air dried<I> A. hookeri</I> possessing better taste and odor might be available as functional crop and bioactive diet supplement for the prevention and/or treatment of obesity.</P>
기능적 일치성과 자아 일치성이 소비 삶의 질 평가 (PQOLI)에 미치는 영향에 관한 연구: 예방적 감정과 향상적 감정의 매개효과를 중심으로
이동진 ( Dong Jin Lee ),송민아 ( Mi Na Song ),옥주리 ( Ju Lie Ock ),유병희 ( Grace B. Yu ) 한국소비자학회 2011 소비자학연구 Vol.22 No.1
소비자들은 특정 제품을 구매하고 소비하는 경험을 통하여 개인 소비 삶의 질을 평가한다. 소비자들이 인지하는 특정 제품에 대한 소비 경험이 그들의 소비 삶의 질에 미치는 영향을 소비 삶의 질 평가 (PQOLI)라고 한다. 본 연구의 목적은 이러한 특정 제품의 소비 경험이 소비자의 소비 삶의 질에 미치는 영향 (PQOLI)에 관한 모델을 검증하는데 있다. 이 연구에서 제품소비에 있어서의 기능적 일치성은 소비자의 예방적 감정을, 자아 일치성은 소비자의 향상적 감정을 활성화하고, 이러한 예방적 감정 및 향상적 감정은 소비 삶의 질 평가 (PQOLI)에 각각 긍정적인 영향을 미칠 것으로 예측하였다. 또한 소비 삶의 질 평가 (PQOLI)는 궁극적으로 브랜드에 대한 긍정적 구전에 영향을 미치는 것으로 가설을 설정하였다. 실증 연구 결과 가설의 대부분이 지지되었으며, 실증 결과를 토대로 연구적 의의와 전략적 시사점을 도출하였다. Consumers` experiences of a product they use in their daily life influence their evaluation of quality of consumer life domain. The bottom-up spillover theory of consumer well being posits that consumer satisfaction from a specific product vertically contributes to the formation of satisfaction with consumer life domain. This study focuses on consumer`s perceived quality of life impact of a product (PQOLI). Specifically, PQOLI is defined as a consumer`s perception on the degree to which a product contributes to his or her quality of consumer life domain. This study develops and tests a model of PQOLI. Specifically, it is hypothesized that functional congruity with a product increases positive prevention emotions (e.g., confidence, security, relief) while self congruity increases positive promotion emotions (e.g., excitement, delight, joy). It is also hypothesized that both positive prevention and promotion emotions contribute to consumer PQOLI, especially for the heavy users of the product. Finally, it is hypothesized that PQOLI increases consumer`s positive word-of-mouth communications. A survey results with 186 cell phone users provided support for the conceptual model of this study, Specifically, the results indicate that functional congruity with the cell phone increases consumer`s PQOLI, mediated by positive prevention emotions. The results also indicate that self congruity with the cell phone increases consumer`s PQOLI, also medicated by positive promotion emotions. PQOLI has a positive influence on consumer`s positive word-of-mouth communications. Yet, it has been found that prevention emotions and promotion emotions have signifiant influence on consumer PQOLI regardless of usage rate. The findings of this study suggest marketers to measure consumer PQOLI of their products in order to effectively enhance quality of consumer life domain and to create positive word-of- mouth communications for the products. Marketers can increase consumer PQOLI by providing products with functional congruity and self congruity. Yet, relative priorities on functional congruity vs. self congruity depend on the positioning of the product and relative contributions to consumer PQOLI. Study limitations and future research directions are discussed.
염산테트라싸이클린으로 처리한 치근면의 치은상피세포부착에 관한 연구
황나영,박병기,김상목,국중기,박주철,김병옥,Hwang, Na-Young,Park, Byung-Ki,Kim, Sang-Mok,Kuk, Jung-Ki,Park, Ju-Chul,Kim, Byung-Ock 대한치주과학회 2002 Journal of Periodontal & Implant Science Vol.32 No.1
The ultimate goal of periodontal therapy is directed to arresting the progression of the disease, and regenerating the fibrous attachment. In order to achieve such treatment aim, the plaque and calculus must be eliminated and the physiological conditions of the root surface must be changed to facilitate the attachment and migration of the new fibroblasts, The method of changing the proper root surface conditions to promote the healing of periodontal tissue involves mechanical procedures, such as scaling and root planing, and chemical procedures such as tetracycline-HCl. However, the formation of a long junctional epithelium was most frequently observed type of healing. Thus, the aim of this study was to examine in vitro the influence of surface conditioning of dentin by TC-HCl on human gingival epithelial cell attachment. Human gingival epithelial cells were obtained from healthy retromolar pad area(under the age 23 years). Seventy two teeth extracted from severe periodontitis were used as study material. To evaluate the epithelial cell attachment to dentin, the prepared specimen was divided to four groups. For the control group, only scaling and root planing were carried out, and for the test group, 1 to 3, the concentration of the TC-HCl was 50, 125 and 250mg/ml respectively. After cell cultivation time of 1-, 3-. 24 hour, for the indirect quantitative assessment of gingival epithelial cell attached to dentin sample, the absorbance of epithelial cell unattached to dentin was measured. The results were as follows; 1. There was no statistically significant difference between scaling and root planing group and TC-HCl 50mg/ml 125mg/ml and 250mg/ml group about absorbance of unattached epithelial cell to dentin sample(p>0.5). 2. As time passes, the absorbance of unattached gingival epithelial cell to dentin sample was decreased statistically significant(p<0.05). 3. There was no statistically significant difference among the TC-HCl group(p>0.05) We concluded that there was similar effect on gingival epithelial cell attachment between TC-HCl conditioning on root surface and only scaling and root planing treatment