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Staphylococcus aureus DH1에서 분리된 R-plasmid pSBK203의 복제조절 유전자 cop의 Cloning, 염기서열 결정 및 상동성 분석
박승문,변우현,Park, Seung-Moon,Byeon, Woo-Hyeon 한국미생물학회 1994 미생물학회지 Vol.32 No.2
Staphylococcus aureus DH1에서 분리된 R-plasmid pSBK203상의 복제개시 인자인 rep 유전자산물의 발현이 어떻게 조절되는가를 밝히기 위해 관련 부위를 확인하고 cloning한 후 그 염기서열을 결정하였으며 이를 같은 계열에 속하는 pT181족 plasmid들의 서열과 그 상동성을 비교 분석하였다. 복제 조절 관련 부위에 염기 삽입 및 염기 결손을 유도함으로써 얻어진 변이체들의 copy수를 측정하여 그 복제 조절 기능에 초래된 변화를 확인하였다. Replication control region of pSBK203, a chloramphenicol acetyltransferase conferring plasmid from Staphylococus aureus was cloned and its nucleotide sequence has been determined. Base sequence homology of this copy control region with those of plasmids belonging to pT181 family was obtained and analyzed. Copy number of four copy mutants derived by addtion or deletion of nucleotides in unique XbaI recognition site in copy control region of pSBK203 was also determined.
비차폐 환경에서의 고온초전도 SQUID 2차 미분기의 특성연구
박승문,강찬석,이순걸,유권규,김인선,박용기 한국초전도학회 2003 Progress in superconductivity Vol.5 No.1
We have fabricated $∂^2$$B_{z}$ /$∂x^2$ type planar gradiometers and studied their properties in operation under various field conditions. $YBa_2$$Cu_3$$O_{7}$ film was deposited on $SrTiO_3$ (100) substrate by a pulsed laser deposition (PLD) system and patterned into a device by the photolithography with ion milling technique. The device consists of 3 pickup loops designed symmetrically Inner dimension and the width of the square side loops are 3.6 mm and 1.2 mm, respectively, and the corresponding dimensions of the center loop are 2.0 mm and 1.13 mm. The length of baseline gradiometer is 5.8 mm. Step-edge junction width is 3.0 $\mu\textrm{m}$ and the hole size of the SQUID loop is 3 $\mu\textrm{m}$ ${\times}$ 52 $\mu\textrm{m}$. The SQUID inductance is estimated to be 35 pH. The device was formed on a 20 mm ${\times}$ 10 mm substrate. We have tested the behavior of the device in various field conditions. The unshielded gradiometer was stable under extremely hostile conditions on a laboratory bench. Noise level 0.45 pT/$\textrm{cm}^2$/(equation omitted)Hz and 0.84 pT/$\textrm{cm}^2$/(equation omitted)Hz at 1 Hz for the shielded and the unshielded cases, which correspond to equivalent field noises of 150 fT/(equation omitted)Hz and 280 fT/(equation omitted)Hz, respectively. In spite of the short baseline of 5.8 mm, the high common-mode-rejection-ratio of the gradiometer, $10^3$, allowed us to successfully record magnetocardiogram of a human subject, which demonstrates the feasibility of the design in biomagnetic studies.
박승문(Park, Seung Mun) 동아대학교 경영문제연구소 2013 經營論叢 Vol.34 No.-
The purpose of this paper is South Korea"s export competitiveness in the ASEAN market on the basis of data from 1990-2012 were analyzed. South Korea"s export competitiveness in the ASEAN market, MSI, TSI, RCA, GL, and export competitiveness in terms of theoretical and practical aspects of the study. ASEAN market share in Korea"s high iron items, metals and electrical equipment devices, communications equipment, and the ASEAN countries trade specialization index of transport equipment, iron, metals, telecommunications equipment, in order of competitiveness in the world market has Korea"s trade surplus is affecting major export items. It also is a huge economic zone of Asean to surpass MERCOSUR, EU, the FTA in terms of average annual economic growth rate, through the promotion of the formation of the Economic Community Asian Free Trade Area (AFTA), the EU type, the ASEAN market, the world it is expected to rise to the huge market in the economy. Overall, exports of ASEAN countries recently, the rise in the degree of income items, but there are a lot of items in a downward trend in terms of intra-industry trade in the United States and the EU, in particular in favor of the growth of China"s export competitiveness is declining. However, the average annual economic growth of ASEAN market is emerging as a huge market, so in terms of the continued interest and investment in Korea by Korea company"s profit-based economy is positioned to create a market that will need to be.
소셜미디어를 통한 게이미피케이션 마케팅의 변화 방향에 대한 연구 - 페이스북의 팬페이지와 인스타그램의 해시태그 마케팅을 중심으로 -
문하나,이유진,박승호 디자인융복합학회(구.한국인포디자인학회) 2015 디자인융복합연구 Vol.14 No.4
This study investigates in depth of the new marketing trend, in which social media, an effective marketing tool for promoting a new product, and gamification technic of engaging consumers in communication, are combined. Although gamification has been applied to various fields for a long time, conventional way of applying gamification is different from when it is combined with socialmedia. Therefore, this study examines the background and characteristics of the convergence phenomena between the social media and gamification based on the theoretical consideration of the social media and gamification. Then, the cases of social media marketing utilizing gamification are analyzed and classified into general participation, active participation, creative behavior, networking, and experiential type according to the user’s different levels and ways of participation. As a result, when the social media and gamification are combined, the change of an aspect is found to be more meaningfully influential to today’s consumers as in competition ? achievement ? relationship, compared to the conventional way of game mechanics. This study has significance in the way that it established a useful basis for the marketing strategy through the study of the new game mechanics that has been applied to social media marketing utilizing gamification. 이 연구는 상품을 알리는 마케팅 측면에서 유용한 수단인 소셜미디어와 소비자를 설득하는 커뮤니케이션 측면에서 유용한 수단인 게이미피케이션 기법을 결합한 새로운 마케팅 트렌드를 심도 있게 살펴보고자 한다. 게이미피케이션은 오래전부터 다양한 분야에서 활용된 기법이나 고전적 게이미피케이션 기법과 소셜미디어 상에서의 게이미피케이션 기법에는 차이가 존재한다. 따라서 소셜미디어와 게이미피케이션에 대한 이론적 고찰을 바탕으로 소셜미디어와 게이미피케이션의 결합 현상의 배경과 특징을 살펴보았다. 그리고 게이미피케이션을 활용한 소셜미디어 마케팅 사례분석을 통해 사용자의 마케팅 참여 정도와 방법에 따라 일반참여형, 주도적 참여형, 창조행위형, 관계형, 체험형으로 기업의 마케팅을 유형화했다. 이를 통해 소셜미디어와 게이미피케이션이 결합할 때 나타나는 변화양상을 고전적 게임기법과 비교하였는데, 경쟁-성취-관계가 오늘날의 소비자에게 좀 더 유의미한 영향을 주는 요인으로 파악되었다. 이 연구는 게이미피케이션을 활용한 소셜미디어 마케팅의 변화된 게임기법을 연구하여 마케팅 전략에 도움이 되는 기반을 마련했다는 점에 의의가 있다.