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Miyeon Jang,Eunsik Shin,Junheon Kim,Kyoung-Tae Lee,Kyungjae Andrew Yoon,Chung Gyoo Park 한국응용곤충학회 2016 한국응용곤충학회 학술대회논문집 Vol.2016 No.04
Drosophila suzukii is an economically important pest of fruit in America and Europe as well as in Asia. Sparassol (1) and methyl orsellinate (2) are produced by Sparassis cripta and S. latifolia during culture. Fumigant and contact toxicities of synthetic sparassol (1) methyl orsellinate (2) and methyl 2,4-dimethoxy-6-methylbenzoate (DMB; 3) were investigated. The possible mode of action of the compounds was pursued by assessing their inhibition activities against acetylcholinesterase (AChE) and glutathione S-transferase (GST). Little or no fumigant activity was observed from tested compounds. In contact toxicity activity, LD50 (μg/fly) values are 5.29, 1.18, 0.02 for male, and 11.14, 2.27, 0.05 for female, respectively. In enzyme inhibition assay, DMB (3) which easily synthesized from sparassol could be an alternative agent for controlling insect pest. In addition, Sparassis species could be an industrial resource of sparassol.
Miyeon Jang,Junheon Kim,Eunsik Shin,Kyungjae Andrew Yoon,Chung Gyoo Park 한국응용곤충학회 2016 한국응용곤충학회 학술대회논문집 Vol.2016 No.04
Twelve Lamiaceae plant essential oils (EOs) and their components were evaluated for their fumigant and contact toxicities. Inhibition of AChE by the major components of active EOs was also assessed. Strong fumigant toxicity was observed from EOs of Mentha piperita and Perilla frutescens. Menthone and menthol, and perilla aldehyde were identified as major components of the above two EOs, respectively. The LC50 (mg/L) values of M. piperita, P. frutescens, menthone, menthol and perilla aldehyde were 3.87, 2.44, 5.76, 1.88, and 0.99 against male, and 4.10, 3.31, 5.13, 1.94, and 1.15 against female, respectively. Strong contact toxicity was observed from the EOs of Satureja montana and Thymus zygis. Thymol and carvacrol were major components of these two EOs. The LD50 (μg/fly) values for contact toxicity of S. montana, T. zygis, thymol and carvacrol were 2.95, 2.93, 1.63, and 1.30 for male, and 4.59, 5.09, 2.68, and 2.60 for female, respectively. Among the five major components, perilla aldehyde showed most active inhibition activity against AChE of both sexes of SWD.
Miyeon Jang,Junheon Kim,Eunsik Shin,Chung Gyoo Park 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.04
Essential oils from 22 plant species were tested for their insecticidal activities against spotted wing drosophila (SWD), Drosophila suzukii Matsumura, using fumigation and contact bioassay. Responses varied with the essential oils, their constituents and concentrations. Strong fumigation activities were observed from the essential oils of wintergreen (Gaultheria fragrantissima), croton (Croton anisatum) and star anise (Illicium verum). Strong contact activities were observed in the essential oils of oriental sweetgum (Liquidambar orientalis), cassia (Cinnamomum cassia), damask rose (Rosa damascena) and sandalwood (Santalum album). The compositions of these selected essential oils were identified using gas chromatographymass spectrophotometer. The compounds identified were tested individually for their insecticidal activities against SWD. Responses varied by doses for each compound. The results showed that natural materials are as effective as synthetic pesticides.
신미연(Miyeon Shin),오승환(Seunghwan Oh) 한국멀티미디어학회 2008 한국멀티미디어학회 학술발표논문집 Vol.2008 No.2
문화예술시장이 빠르게 변화하면서 기관 및 단체들의 민영화가 이루어지고 있다. 최근 우리나라 문화예술분야의 마케팅적 접근이 활발해 지면서 책임운영제도 도입 및 관객개발을 위한 마케팅 전략에 노력을 집중시키고 있다. 신규 관객 개발과 더불어 기존 관객을 계속해서 유지할 수 있도록 새로운 경영 패러다임으로 전환되어 가는 것이다. 문화예술기관의 중심에는 고객으로서의 관객이 존재한다. (홍자은, 2003) 따라서 관객의 니즈를 이해하고 이를 충족시키기 위한 조직적인 노력을 통해 더 많은 관객들을 개발하고 만족도를 재고시키는 일은 문화예술기관의 존립을 위해 필수적이라고 볼 수 있으며 이는 문화적 가치를 공유하기 위해 고객중심 마케팅마인드를 가져야 함을 의미한다. 본 논문에서는 문화예술의 마케팅이 무언인지를 이론적으로 다루고, 기관사례를 중심으로 기관 및 단체, 이벤트 마케팅 기법을 소개하였다. 마지막으로는 문화예술계의 관계자와 인터뷰를 통해 우리나라의 문화마케팅 현황을 살펴봄으로써 본 논문이 문화예술기관의 합리적인 운영에 도움이 되는 사례 연구가 되었으면 한다.
Ionizing irradiation to Helicoverpa armigera (Lepidoptera: Noctuidae) as a quarantine treatment
Miyeon Jang,Junheon Kim,Sin Ae Jang,Jeongmin Kim,Yeon Jeong Lee,Eunsik Shin,Chung Gyoo Park 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.10
Rapid growth in trade of agricultural products has increased the risk of introduction of exotic pests into new area. In order to fulfill quarantine obligations, several treatments are in practice: fumigation with methyl bromide (MB), application of extreme temperatures, controlled atmospheres, and combinations of them. Although MB was most effective and widely applied for quarantine treatment, its use was banned by the Montreal Protocol. Ionizing irradiation phytosanitary treatments – gamma radiation, electron beam, and X-ray are being used as an alternative to MB currently. For applying ionizing irradiation as a quarantine treatment, there is a research protocol which should be followed, International Standards for Phytosanitary Measure 18 [ISPM #18] and Phytosanitary Treatment Regulation of Korea (Notice 2014-35). We have evaluated the effect of gamma radiation, electron beam, and X-ray on H. armigera as quarantine treatments. In this presentation, ISPM #18 and Notice 2014-35 will be talked with the example of H. armigera.
신강원,최윤석,김미연,이문홍 경성대학교 공학기술연구소 2010 공학기술연구지 Vol.16 No.-
Since the pedestrian walkway capacity (106 person/min/m) in the 2005 Korean Highway Capacity Manual (KHCM) was obtained by investigating the commuting pedestrian flow in the Seoul metropolitan area, it is ambiguous whether or not the current pedestrian walkway capacity in KHCM can be used to examine the pedestrian characteristics in other regions. Thus, this study investigates the spatial transferability of the current pedestrian walkway capacity by analyzing the pedestrian characteristics at Kyungsung university and Pukyung university subway station in the city of Busan. To analyze the pedestrian walkway capacity, a linear regression model representing the relationship between pedestrian walking speed and density is estimated using the pedestrian speed-density data observed at the study site. The pedestrian flow-density and speed-flow functions are also developed, and the pedestrian walkway capacity is estimated by using the well-known relationships between the pedestrian flow parameters. Consistent with past studies, the results show that the relationship between speed and density can be explained by a linear regression model, and the pedestrian walking speed increases as pedestrian space (m²/person) increases. However, the pedestrian walking speed-density function estimated in this study is slightly different from that in the current version of the KHCM since this study analyzes the fast moving pedestrians (e.g, students). Thus, this study shows that the future version of the KHCM needs to include more elaborate methodologies for taking into account various pedestrian types and trip purposes.