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한국산 천남성속 두루미천남성절의 1 신아종(천남성과), 거문천남성
고성철,태경환,이두범,신영화 한국식물분류학회 2006 식물 분류학회지 Vol.36 No.3
Arisaema thunbergii supsp. geomundoense, a new taxon in Arisaema sect. Tortuosa subsect. Flagellarisaema (Araceae), from Isl. Geomun-do, Dadohae National Park, Korea is described. It is distinct from subsp. thunbergii in having bright purple enlargement at the base of spadix appendage, and in having wrinkled enlargement at the base of spadix appendage from subsp. urashima. 다도해해상국립공원에 속한 거문도에서 천남성속, 두루미천남성절, 무늬천남성아절에 해당되는 1 신아종인 거문천남성(Arisaema thunbergii subsp. geomundoense S.C. Ko)을 기재 및 도해하였다, 화수부속체 기부의 비후부의 색깔이 진한 자색 또는 적자색인 것이 기본종인 무늬천남성(A. thunbergii supsp. thunbergii)과 다르고, 비후부에 주름이 있는 것이 일본에 자생하고 있는 비후부가 평활한 A. thunbergii supsp. urashima)와 다르다.
고성철,송호섭 대한침구의학회 2014 대한침구의학회지 Vol.30 No.3
Objectives : We investigated whether bee venom(BV) inhibit cell growth through enhancement of death receptor expressions in the human cervix cancer C33A cells. Methods : BV(1~5 ㎍/㎖) inhibited the growth of cervix cancer C33A cells by the induction of apoptotic cell death in a dose dependent manner. Results : Consistent with apoptotic cell death, expression of Fas, death receptor(DR) 3, 4, 5 and 6 was increased concentration dependently in the cells. Moreover, Fas, DR3 and DR6 revealed more sensitivity to BV. Thus, We reconfirmed whether they actually play a critical role in anti-proliferation of cervix cancer C33A cells. Consecutively, expression of DR downstream pro-apoptotic proteins including caspase-8, -3, -9 was upregulated and Bax was concomitantly overwhelmed the expression of Bcl-2. NF-κB were also inhibited by treatment with BV in C33A cells. Conclusions : These results suggest that BV could exert anti-tumor effect through induction of apoptotic cell death in human cervix cancer C33A cells via enhancement of death receptor expression, and that BV could be a promising agent for preventing and treating cervix cancer.
Influence of Effective Microorganisms on Polluted Marine Sediment and Its Microbial Community
고성철,김병혁,배환진,권성현,최정혜,김재우 한국항해항만학회 2009 한국항해항만학회지 Vol.33 No.2
Lactobacillus sp., Acetobacter sp. and yeast were the most dominant organisms in the EM stock culture and subculture product. Lactic acid bacteria and yeast were able to grow in the fermentation process utilizing seawater. EM treatment of higher concentrations using EM stock culture and EM clay balls (1% or 4%) contributed to an early removal of malodor and an increase of DO in the polluted sediments, indicating an odor-removing activity of EM. The EM treatment of higher concentrations (1% or 4%) somewhat appeared to modify the microbial communities within the sediments, which was confirmed by existence of a few unique fragments from the stock culture based on PCR-DGGE. It still remains to be elucidated that EM cultures were directly involved in the malodor removal and potential sediment bioremediation. Lactobacillus sp., Acetobacter sp. and yeast were the most dominant organisms in the EM stock culture and subculture product. Lactic acid bacteria and yeast were able to grow in the fermentation process utilizing seawater. EM treatment of higher concentrations using EM stock culture and EM clay balls (1% or 4%) contributed to an early removal of malodor and an increase of DO in the polluted sediments, indicating an odor-removing activity of EM. The EM treatment of higher concentrations (1% or 4%) somewhat appeared to modify the microbial communities within the sediments, which was confirmed by existence of a few unique fragments from the stock culture based on PCR-DGGE. It still remains to be elucidated that EM cultures were directly involved in the malodor removal and potential sediment bioremediation.
고성철,Kelvin I. ekpeghere 한국공학교육학회 2010 공학교육연구 Vol.13 No.2
The objective of this study was to evaluate Environmental microbiology (EM) as a basic course for the environmental engineering program of Korea Maritime University which has been accredited by Accreditation Board for Engineering Education of Korea (ABEEK). Evaluation result of the lecture objectives was more than the average (3.5/5.0). The overallscore for learning achievement assessment was more than average level of learning achievement (3.4/5.0). Interestingly, engineering design implementation regarding a specific topic as an extensive learning process has proven to be more effective (3.5/5.0). Some of effective class improvement strategies suggested were to encourage students to participate inthe class with self-motivation and accountability: preview and review of the lecture, team presentation in English-speakingsettings, and submitting project report written in English. In the future class of EM, test and evaluation of application capability of EM and environmental biotechnology (EB) theories to engineering problem solving should be emphasized.