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국내 육성 감자의 재분화와 형질전환 효율에 미치는 생장조절제의 조성 및 몇 가지 요소
이정윤,서효원,조지홍,이신우,윤한대,Yi, Jung-Yoon,Seo, Hyo-Won,Cho, Ji-Hong,Lee, Shin-Woo,Yun, Han-Dae 한국식물생명공학회 2003 식물생명공학회지 Vol.30 No.1
국내에서 육종된 감자 품종들에 대하여 재분화 및 형질전환효율에 영향을 미치는 여러 요인들을 조사하고 품종별 최적 조건을 규명하고자 하였다. 최근 육종된 5품종 '추백', '남서', '자심', '조풍'과 '조원'의 잎과 줄기 조직을 재료로 사용하여 배지 내 호르몬 조성별 신초형성률을 조사하였다. 신초형성률은 잎 조직의 경우 '조원'이 GA₃0.1 mg/L, Zeatin 2.0mg/L과 NAA 0.01 mg/L가 포함된 M5 배지에서 90%이상으로 가장 높은 반면 다른 공시품종은 20% 미만이었으며 줄기조직을 치상한 경우 '조풍'이 M5 배지에서 70%의 신초형성률을 나타내었으나. 다른 품종은 25% 이하의 신초형성률을 나타내어 품종별, 조직별로 큰 차이를 나타내었다. 감자의 형질전환 시 Agrobacterium 접종과정에서 75 μM의 acetosyringone을 처리한 경우 잎 조직은 '조원'이 87.9%, 줄기 조직은 '조풍'이 68.4%로 높은 형질전환효율을 나타내어 acetosyringone을 처리하지 않은 대조구에 비하여 1.5∼4.0배의 높은 형질전환효율을 나타냈다. The optimal condition of in vitro regeneration and transformation were investigated for newly bred potato varieties in Korea. Leaf and internodal stem tissues of 'Chubak', 'Namsuh', 'Jasim', 'Jopung' and 'Jowon' were used to investigate the influence of growth regulator on regeneration efficiency The effect of phenolic compound acetosyringone on gene transformation efficiency was also investigated. Leaf tissue of 'Jowon' and internodal stem tissues of 'Jopung' were showed high regeneration efficiency on M5 medium supplemented with 0.1 mg/L GA₃, 2.0 mg/L Zeatin and 0.01 mg/L NAA. The other three potato cultivars were showed low regeneration efficiency less than 25%. The effect of acetosyringone on Agrobacterium-mediated gene transformation with leaf and internodal stem tissues were noticeable. By adding the 75 μM of acetosyringone during the Agrobacterium innoculation, the transformation efficiency was increased up to 1.5∼4.0 fold compare to non-treated control. In case of 'Jowon' the transformation efficiency was 87.9% in leaf tissue and 'Jopung' was 68.4% in internodal stem tissues.
이정윤,김성수,김장형,송왕철,Lee Jung-Yun,Kim Sung-Su,Kim Jang-Hyung,Song Wang-Cheol 한국정보통신학회 2006 한국정보통신학회논문지 Vol.10 No.5
High-rate WPAN 은 CAT의 Time Slot 할당 스케줄링 방법을 정의 하고 있지 않다. 이에 CAT의 Time Slot 할당 스케줄링 방법 에 관한 많은 연구가 진행 중이다. 하지만 지금까지의 연구들은 Air Interface의 에러 요소의 미적용이나 특정 DEV의 기아 현상 등의 단점 등을 내포하고 있다. 이에 본 논문에서는 채널의 상태에 따른 우회 경로를 제공하여 채널 타임 할당 스케줄링 방법의 단점을 극복하는 알고리즘을 제안한다. Wireless Personal Area Networks(WAPANs) are designed for short-range ad hoc connectivity among portable devices. They have gained much attention in the industry recently. One of them, High-rate WPAN, is designed to support multimedia traffic that requires high data rates. But, High-rate WPAN standards don't specify the time slot assignment scheduling method of CAT(Channel Time Allocation). So, there has been many studies regarding time slot assignment scheduling of CAT. However, present studies involve demerits about not applying various types of errors in air interlace or having a starvation of a specific DEV(data device). In this paper, we propose algorithms about supplying the intermediate channel assignment in order to avoid these demerits. This method will help other methods that use time slot assignment scheduling of CTA.
월악산국립공원 황장산 일대 삼림식생의 군락분포에 관한 연구
이정윤 ( Jung Yun Lee ),오장근 ( Jang Geun Oh ),정세훈 ( Se Hoon Jung ),김하송 ( Ha Song Kim ) 한국하천호수학회(구 한국육수학회) 2015 생태와 환경 Vol.48 No.4
Forest vegetation of Hwangjangsan (1,077.3 m) in Woraksan National Park is classified into mountain forest vegetation. Mountain forest vegetation is subdivided into deciduous broad-leaved forest, mountain valley forest, coniferous forest, riparian forest, afforestation and other vegetation. Including 55 communities of mountain forest vegetation and 4 communities of other vegetation, the total of 59 communities were researched; mountain forest vegetation classified by physiognomy classification are 28 communities deciduous broad-leaved forest, 12 communities of mountain valley forest, 3 communities of coniferous forests, 2 communities of riparian forest, 10 afforestation and 4 other vegetation. As for the distribution rate for surveyed main communities, Quercus mongolica and Quercus variabilis communities account for 65.928 percent of deciduous broad leaved forest, Fraxinus rhynchophylla - Quercus mongolica community takes up 41.459 percent of mountain valley forest, Pinus densiflora community holds 86.100 percent of mountain coniferous forest holds. In conclusion, minority species consisting of Quercus mongolica, Pinus densiflora, Quercus variabilis, Fraxinus rhynchophylla, and Quercus serrata are distributed as dominant species of the uppermost part in a forest vegetation region in Woraksan National Park. In addition, because of vegetation succession and climate factors, numerous colonies formed by the two species are expected to be replaced by Quercus mongolica, Quercus variabilis, and Fraxinus rhynchophylla which are climax species in the area.
이정윤(Lee Jung-Yun),이경진(Lee Kyung-Jin),송왕철(Song Wang-Cheol) 한국콘텐츠학회 2005 한국콘텐츠학회 종합학술대회 논문집 Vol.3 No.1
대표적인 개인용 단말기인 휴대폰은 하드웨어의 독립성을 확보할 수 있는 WIPI라는 새로운 플랫폼으로 표준화되고 있어 응용 개발의 가속도를 더하고 있다. 본 논문에서는 이메일과 아바타를 접목시켜 사용자가 이메일을 보내고 받는데 있어서 아바타를 통해 자신을 나타내 보일 수 있도록 WIPI 기반으로 구현하였고, 또한 일반적인 이메일 응용 프로그램들이 이메일과 일정 관리 프로그램을 같이 가지고 있듯이, 본 논문에서도 일정 관리 프로그램을 이메일과 통합하여 쓸 수 있도록 구현하였다. 이 구현 프로그램의 유용성을 더하기 위해, 일정을 통보하기 위한 방법으로 SMS 문자 서비스를 이용하였고, 휴대폰에서 입력한 일정을 PC 기반의 Outlook의 일정과 동기화 할 수 있도록 개발하였다. The implementation of cellular phone based applications have been growing very fast because of WIPI which is a hardware independent platform. In this paper, we design and Implement a system to combine the animation avatar and e-mail service by using WIPI platform. Also, this system manages scheduling at the same time. This system uses SMS service in order to notify scheduled time and it synchronizes the schedule data with Outlook Express on the computer.
HR - WPAN에서 채널 상태에 따른 우회 채널 할당에 관한 연구
이정윤(Lee Jung-Yun),이경진(Lee Kyung-Jin),송왕철(Song Wang-Cheol) 한국콘텐츠학회 2005 한국콘텐츠학회 종합학술대회 논문집 Vol.3 No.2
High-rate WPAN은 CAT의 Time Slot 할당 스케줄링 방법을 정의하고 있지 않다. 이에 CAT의 Time Slot 할당 스케줄링 방법에 관한 많은 연구가 진행 중이다. 하지만 지금까지의 연구들은 Air Interface의 에러 요소의 미적용이나 특정 DEV의 기아 현상 등의 단점 등을 내포하고 있다. 이에 본 논문에서는 채널의 상태에 따라 우회 경로를 제공하여 채널 타임 할당 스케줄링 방법의 단점을 극복하는 알고리즘을 제안한다. High-rate WPAN doesn't define the time slot assignment scheduling method of CAT. So, there has been many studies regarding time slot assignment scheduling of CAT. However, present studies involve demerits about not applying various types of errors in air interface or having a starvation of a specific DEV. In this paper, we propose algorithms about supplying the intermediate channel assignment in order to avoid these demerits.
월악산국립공원 금수산 및 도락산 일대 삼림식생의 군락분포에 관한 연구
이정윤 ( Jung Yun Lee ),오장근 ( Jang Geun Oh ),정세훈 ( Se Hoon Jung ),김하송 ( Ha Song Kim ) 한국하천호수학회(구 한국육수학회) 2015 생태와 환경 Vol.48 No.2
Forest vegetation of Geumsusan (1,016.0 m) and Doraksan (964.4 m) in Woraksan National Park is classified into mountain forest vegetation. Mountain forest vegetation is subdivided into deciduous broadleaved forest, mountain valley forest, coniferous forest, riparian forest, afforestation and other vegetation. Including 77 communities of mountain forest vegetation and 5 communities of other vegetation, the total of 82 communities were researched; mountain forest vegetation classified by physiognomy classification are 37 communities deciduous broad-leaved forest, 16 communities of mountain valley forest, 8 communities of coniferous forests, 1 community of riparian forest, 15 afforestation and 5 other vegetation. As for the distribution rate for surveyed main communities, Quercus variabilis and Quercus mongolica communities account for 33.031 percent of deciduous broadleaved forest, Cornus controversa community takes up 29.142 percent of mountain valley forest, Pinus densiflora community holds 64.477 percent of mountain coniferous forest holds. In conclusion, minority species consisting of Quercus variabilis, Quercus mongolica, Pinus densiflora, Quercus serrata and Cornus controversa are distributed as dominant species of the uppermost part in a forest vegetation region in Woraksan National Park. In addition, because of vegetation succession and climate factors, numerous colonies formed by the two species are expected to be replaced by Quercus variabilis, Quercus mongolica, Cornus controversa and Fraxinus mandshurica which are climax species in the area.
이정윤(LEE Jung Yun) 한국디자인학회 2010 한국디자인학회 학술발표대회 논문집 Vol.2010 No.10
Recently, several changes were shown in the patent applications of typography design with the wider application in the area of digital, broadcasting, internet, and the appearance of various typographies due to the trend of calligraphy. To follow the course of these changes, the validating requirement of typography design, which is considered to be the basis of Korean design Acts, was examined. The existing validating requirement has tendency to limit topography design to commercial material. However, it's necessary to recognize the Korean character, English character, and special symbols as a set of topography, with expanding the usability of letters and acknowledging the several possibility of usability of typography when it comes to manufacturing the characters. By doing so, the need of the several users from typography manufacturer, corporation as well as individual would be satisfied.