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[PA-0008] Assembly and Analysis of the Complete mitogenome of Silybum marianum
Jeongwoo Lee(Jeongwoo Lee),Yedomon Ange Bovys Zoclanclounon(Yedomon Ange Bovys Zoclanclounon ),Hwajin Jung(Hwajin Jung),Taeho Lee(Taeho Lee),Jeonggu Kim(Jeonggu Kim),Guhwang Park(Guhwang Park),Keunpyo 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
A low-power MDDI-client architecture using on-off byte counter
Jeongwoo Park,Suki Kim,Kwang-Hyun Baek IEEE 2010 IEEE transactions on consumer electronics Vol.56 No.3
<P>This paper presents a Mobile Display Digital Interface (MDDI)-client architecture which is suitable for low-power, small-area, and low-cost mobile applications. Compared to the power dissipation of an MDDI client with a byte counter that has continuous transitions for all packet data, the proposed MDDI client reduces power consumption in state transitions up to 50% by using robust Finite State Machine (FSM) and on-off byte counter. The proposed scheme detects invalid data in packets and turns off the operation of the byte counter to minimize client's power dissipation. The MDDI-client architecture is implemented and verified on FPGA modules.</P>
Park, Jin Han,Hwang, Jongchul,Kim, Juhyung,Park, Byeongmuk,Park, Juyoung,Son, Jeongwoo,Lee, Sihun Eudoxus Press LLC 2016 Journal of computational analysis and applications Vol.20 No.5
<P>This paper presents new methods for measuring similarity between generalized intuitionistic fuzzy sets (GIFSs) and its application to pattern recognition. Firstly, the geometrical interpretation of GIFSs is carefully reviewed and then the results of the interpretation is utilized to generate new methods for measuring similarity in order to calculate the degree of similarity between GIFSs. Numerical example is given to illustrate the application of the proposed similarity measures. Finally, we also use the proposed similarity measures to characterize the similarity between linguistic-variables.</P>
Production of <small>D</small>-ribose by metabolically engineered <i>Escherichia coli</i>
Park, Hae-Chul,Kim, Yun-Jung,Lee, Chang-Wan,Rho, Yong-Taek,Kang, JeongWoo,Lee, Dae-Hee,Seong, Yeong-Je,Park, Yong-Cheol,Lee, Daesang,Kim, Sung-Gun Elsevier 2017 PROCESS BIOCHEMISTRY Vol.52 No.-
<P><B>Abstract</B></P> <P> <I>Escherichia coli</I> was metabolically engineered for the production of <SMALL>D</SMALL>-ribose, a functional five-carbon sugar, from xylose. For the accumulation of <SMALL>D</SMALL>-ribose, two genes of transketolase catalyzing the conversion of <SMALL>D</SMALL>-ribose-5-phosphate to sedoheptulose-7-phosphate in pentose phosphate pathway were disrupted to create a transketolase-deficient <I>E. coli</I> SGK013. In batch fermentation, <I>E. coli</I> SGK013 grew by utilizing glucose and then started to produce <SMALL>D</SMALL>-ribose from xylose after glucose depletion. <I>E. coli</I> SGK013 produced 0.75g/L of <SMALL>D</SMALL>-ribose, which was identical to the standard <SMALL>D</SMALL>-ribose as confirmed by HPLC and LC/MS analyses. To improve D-ribose production, the <I>ptsG</I> gene encoding the glucose-specific IICB component was disrupted additionally, resulting in the construction of <I>E. coli</I> SGK015. The carbon catabolite repression-negative <I>E. coli</I> SGK015 utilized xylose and glucose simultaneously and produced up to 3.75g/L of <SMALL>D</SMALL>-ribose, which is a 5-fold improvement compared to that of <I>E. coli</I> SGK013.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Transketolase-deficient <I>E. coli</I> was constructed to produce <SMALL>D</SMALL>-ribose from xylose. </LI> <LI> <SMALL>D</SMALL>-Ribose produced in the <I>E. coli</I> was identical to standard <SMALL>D</SMALL>-ribose in HPLC and LC/MS analyses. </LI> <LI> The transketolase-deficient <I>E. coli</I> was further engineered to uptake glucose and xylose simultaneously for facilitating <SMALL>D</SMALL>-ribose production. </LI> <LI> The simultaneous uptake of glucose and xylose in the <I>E. coli</I> resulted in a 5-fold improvement of <SMALL>D</SMALL>-ribose production. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Park, Chang-Deuk,Kwon, Kwanik,Yoo, Nakyung,Lee, Jung-Hyun,Kang, Dong-Won,Park, Jong-Sung,Yoo, Jeongwoo,Kim, Keun-Sik,Yoon, Ju-Duk National Institute of Ecology 2021 국립생태원회보(PNIE) Vol.2 No.2
To restore the Gold-spotted pond frog (Pelophylax chosenicus), a Korean endangered frog, 600 captive-reared individuals were reintroduced between August and September 2019 into an aquatic garden in the National Institute of Ecology where P. chosenicus had previously inhabited. After reintroduction, six post-release monitoring sessions were conducted from August 2019 to May 2020. Monitoring was performed using three methods (counting calls, observation, and capture) from sunset to midnight near release sites, eliminating potential threat factors. Snout-vent lengths and body weights of recaptured individuals were measured before they were released immediately. We noted that both snout-vent lengths and body weights of recaptured individuals were slightly higher than those before. The average recapture rate was 4.66%. Reintroduced frogs were recaptured at the last monitoring session conducted in May 2020, indicating that these reintroduced frogs hibernated during the winter successfully. We found that these reintroduced frogs successfully settled after release. This result will be useful for establishing management strategies for endangered frogs in Korea. Particularly, post-release monitoring could be an essential approach in the restoration program of a target species.
박정우(Park, Jeongwoo),이현선(Lee, Hyunseon) 한국재정학회(구 한국재정·공공경제학회) 1998 재정논집 Vol.13 No.1
Korea and IMF reached an agreement on the rescue funds in 1997. In the IMF era, foreign direct investment, coupled with exports, will emerge as major weapons to supplement the fundamental shortcomings of the economy and ride out the foreign-exchange crisis. Foreign direct investment is one of the major tools to accelerate the inflow funds without additional debt obligations and create more jobs openings. The purpose of this thesis is to analyze the effect of tax policy for foreign direct investment by the theorectical and empirical analysis. There is the problem of overlapping tax jurisdiction in international investment. So many countries provide double-taxation relief. The important determinants of foreign direct investment is statutory corporate tax rate in the investor country and effective tax rate on Korean domestic investment. Under the foreign tax credit system which many countries use today, it is the statutory corporate tax rate in the investor country not the effective tax rate that determines foreign direct investment. In empirical analysis, we employ a regression analysis based on aggregate time-series data from 1970 to 1995. We first estimate the total foreign direct investment function. Then we estimate the functions of foreign direct investment from U.S.A. and Japan separately. The result of regression analysis is that the effective tax rate on Korean domestic investment are not statistically significant for equation investigating foreign direct investment. That confirm the predictions derived the theorectical analysis. The recommendations of this thesis are as follows; First. the decrease of corporate tax rate through tax cutting is not a proper policy for inducing foreign direct investment. Second, differential tax treatment from the agreement between the related countries can make a tax policy more effective. Third, tax cutting, like as tax reduction of the reserved income for re-investment in Korea, is able to give incentives to foreign investors.
운송보안장치에서 발생한 경고의 안전한 전달을 위한 미들웨어 구조 설계
박정우(Jeongwoo Park),전승우(Seungwoo Jeon),권준호(Joonho Kwon),홍봉희(Bonghee Hong) 한국정보과학회 2011 한국정보과학회 학술발표논문집 Vol.38 No.2B
컨테이너 화물의 안전한 수송을 지원하기 위한 전자봉인 관련연구가 활발히 진행되고 있다. 관련 연구는 컨테이너에 부착하기 위한 전자봉인을 중심으로 국제 표준과 정책들이 제안되고 있다. 본 논문에서는 전자봉인을 운용하기 위한 시스템에서 시스템 충돌과 같은 예외상황에서도 전자봉인의 경고메시지를 안전하게 사용자에게 전달 할 수 있는 기법을 제시하고 관련 모듈을 포함한 미들웨어 구조를 제안한다.