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      • Synechocystis sp. PCC6803을 이용한 Photosystem I- mutants의 색소 및 틸라코이드막 단백질 분석

        전은경,장남기 한국잔디학회 1997 한국잔디학회지 Vol.11 No.1

        Pigments and thylakoid membrane proteins were investigated in wild type and PS I- mutants from Synechocystis sp. PCC6803 Comparing morphological features, B2 was less fluorescent than the other strains. The contents of chlorophyll a were propotional to the FNR activity in thylakoid membrane. The FNR activity of mutants was lower than that of wild type. In the result of pigments analysis, mutants had smaller cholophyll a than that of wild type. The major carotenoid was found to he $\beta$-caroene, but aeaxanthin was barely detected in thylakoid membrane of mutants. The polypeptide, 14.8kD was detected by electrophoresis in mutants. It was considered to be the modification of 15.4kD in wild type. Membrane polypeptides of 17.6 and 19.7kD were not detected in mutants. In the result of western blotting, subunit I was detected in all strains, but subunit II was barely detected in mutants. Subunit II was not detected in B2 at all. In view of the results so far achieved, the changes of contents of chlorophyll and zeaxanthin were affected by the defficiency or modification of functional domain in subunit I. Also the modification in subunit I affected the subunit II- binding site in PS I. As the result, efficiency of photosynthesis was decreased. Key words: Synechoystis sp. PCC6803, PS I - mutant, Photosynthetic efficiency, Pigment,Thylakoid membrane proteins, Subunit I, II.

      • KCI등재
      • KCI등재

        그림자처럼 따라 읽기 지도가 EFL 학습자들의 영어 듣기에 미치는 영향

        전은경 현대영어교육학회 2011 현대영어교육 Vol.12 No.4

        The purpose of this study is to examine the effects of shadow reading on Korean high school students’ English listening comprehension. To this end, an experiment had been carried out into both an experimental group and a control group for five months in second year EFL Korean high school students. The groups were then assigned to one of three language proficiency groups: advanced, intermediate, and low. While the control group (Non-shadowing Group) was asked to answer to the questions or fill in the blanks of the listening scripts as the conservative ways of teaching and learning of English listening, the experimental group (Shadowing Group) was required to listen to a taped conversation as they read aloud the transcript of the tape and follow English tone and intonation patterns, stress, and pronunciation in native English speech. This study raises two questions. First, is there a significant difference in listening comprehension between the two groups? Second, is there a meaningful difference in listening comprehension among three English language proficiency groups of the shadowing group? This study investigated the advantages of shadow reading activity in listening comprehension to provide students with less threatening learning environment and promote students’ English listening skill.

      • KCI등재

        근대계몽기 『대한유학생회학보 』의 정체성과 문학적 상상력

        전은경 한국문학언어학회 2023 어문론총 Vol.96 No.-

        The 'DaehanYuHakSaengHoeHakbo'(대한유학생회학보) was a journal published by the Association of Korean Students Studying in Japan, starting from March 3rd, 1907 to May 25th, 1907, with a total of three issues. The Association of Korean Students Studying in Japan was established on September 2nd, 1906, as an organization where all overseas students could gather for discussions. It was not a unified and integrated entity with a single goal, but rather a group that came together in the sense of collaboration, based on actual individual organizations and their respective academic journals. However, instead of achieving a complete unification, the 'collaboration' itself became the identity of the Association of Korean Students Studying in Japan. By uniting under the umbrella of the Association while maintaining their own identities as separate organizations and academic journals, the DaehanYuHakSaengHoeHakbo' became the platform for that 'collaboration'. Thus, the 'DaehanYuHakSaengHoeHakbo' was a journal that embodied the characteristics of 'solidarity' and 'collaboration.' Rather than being created with a unified theme and perspective under a single ideology, the journal consisted of diverse and scattered writings that retained the unique features of each contributing journal. Especially in the realm of literature, the varied and scattered forms of these writings were particularly prominent. The ''DaehanYuHakSaengHoeHakbo' included a majority of the narrative forms that were published in contemporary Korean student association journals in Japan. Among them, Yi Gyu-yeong's 'Words of a Tiger Hunter' (박호자의 설) depicts a narrative format where a character traveling domestically engages in a conversation with a tiger hunter in a village, leading to an enlightening realization. It combines various forms of narrative genres while incorporating the concerns and situations of Korean students association journals Studying in Japan in the present moment, delivering stories and lessons specifically tailored for Korean students studying in Japan. Furthermore, Jin Hak-mun’s ‘Falling house’(쓰러져 가는 집), written entirely in Korean script, can be considered an experimental form of modern fiction. Although it may not be classified as a complete modern short story, it is a work that explores new forms of storytelling. This piece not only portrays a Korean household entangled in customs and vices but also critically and metaphorically depicts the occupation of Korea by Japan, depicting the self-destruction and downfall of Korea. Of course, due to the experimentation of various narrative forms and the scattered presence of multiple narratives, it may appear that the 'DaehanYuHakSaengHoeHakbo' contains literature that is sporadic and lacks consistency. However, this is not a result of randomness or inconsistency but rather stems from the collaborative and collective nature of the journal. In other words, the diverse inclusion of narratives in the ''DaehanYuHakSaengHoeHakbo' was made possible because it served as a literary platform, enabling various novelistic experiments. In essence, the journal fulfilled its function as a contemporary literary magazine, ultimately becoming a product of collective imagination. Whether intentional or not, the 'DaehanYuHakSaengHoeHakbo' facilitated numerous novelistic experiments and provided a space to explore the possibilities of modern fiction. 『대한유학생회학보』는 1907년 3월 3일부터 1907년 5월 25일까지 총 3호가 발간된 잡지로 대한유학생회의 학회지였다. 대한유학생회는 1906년 9월 2일에 유학생들 전체가 모여 회의 등을 할 수 있는 단체로서 설립된 것이다. 또한 대한유학생회는 하나의 목표로 단합하고 하나로 통합된 형태가 아니라, 실제 모 학회를 기반으로 둔 채, 연합의 의미로 모이게 된 단체였다. 그런데 하나로 단일화된 통합이 아니라, ‘연합’ 자체가 대한유학생회의 정체성이 되었다. 각자의 단체와 모 학회지를 기반으로 그 단체의 정체성을 그대로 품은 채 대한유학생회에 연합하게 됨으로써 『대한유학생회학보』는 바로 그 ‘연대’의 장이 될 수 있었기 때문이다. 이처럼 『대한유학생회학보』는 ‘연대’와 ‘연합’의 특징을 지닌 학회지였다. 즉 하나의 기치 아래 통합된 주제와 사상대로 학회지가 만들어졌다기보다는 각 학회지의 특징이 통합되거나 종합되지 않은 채, 다양하고 산발적인 특징 그대로 글들이 게재되었다고 보아야 한다. 특히 이러한 산발적이면서도 다양했던 글의 양식들은 문예면에서 그 특징이 가장 두드러진다. 『대한유학생회학보』에는 그 당대 일본 유학생회 잡지에 실렸던 서사적 양식 대다수가 실리고 있었다. 이 가운데 이규영의 「박호자의 설」은 단순한 문답 형식이 아니라 국내 여행을 다니던 인물이 한 마을에서 만난 범 사냥꾼과의 대화를 통해 깨달음을 얻는 서사 형식을 보여준다. 다양한 형태의 서사 장르가 혼합되어 있으면서 일본 유학생으로서의 ‘지금, 여기’의 고민과 상황이 녹아들어 일본 유학생들을 위한 이야기와 교훈을 전달하고 있기도 한다. 또한 순 한글로 쓰인 진학문의 「쓰러져 가는 집」은 근대적 소설의 실험적 양식이라 할 수 있다. 완전한 근대 단편소설이라 할 수는 없을지라도 새로운 소설 양식을 실험하고 있는 작품이다. 이 작품은 구습과 악습에 찌들어 있는 조선의 한 가정을 묘사한 것이기도 하고, 혹은 더 확대하여 스스로 도태되고 망해가는 조선을 일본이 차지한 것을 비판적이고 비유적으로 묘사한 것이기도 하다. 물론 『대한유학회학보』에 다양한 서사적 양식이 실험되고, 여러 서사물들이 산재해 있기 때문에, 문예면에 산발적이고 일관성 없이 작품들이 실려 있는 것처럼 보일 수도 있다. 그러나 이는 산발적이거나 일관성 없이 실린 것이 아니라, 『대한유학생회학보』의 연합적이고 연대적인 특징에서 비롯된 것이다. 즉 『대한유학생회학보』에 이렇게 다양한 서사물이 실릴 수 있었던 것은 다양한 소설적 실험이 가능하도록 문학, 문예의 장으로서의 역할을 하고 있었기 때문이다. 다시 말해 『대한유학생회학보』는 연대적 상상력의 소산으로서 결국 당대 문학 잡지로서의 기능을 담당하고 있었다고 할 수 있다. 이는 『대한유학생회학보』가 의도한 것이든, 아니든 간에 수많은 소설적 실험을 가능하게 했고, 근대적인 소설의 가능태를 실험할 수 있는 장이 되어주었다.

      • KCI등재

        델파이 방법을 통한 한국 임상심리학의 교육훈련 방향성 모색

        전은경,최승원,임혜진 한국임상심리학회 2017 Korean Journal of Clinical Psychology Vol.36 No.3

        This study was carried out to find consensus on the future education and training model of Korean clinical psychology which had not been discussed in the past. Three phases of a Delphi survey targeted 42 professors of departments of psychology nationwide, and 17 of them finally responded. In the first phase of the Delphi survey, the participants were instructed to present their opinions on potential changes to the education and training model. In the second phase, drawn up based on the first phase, the participants were instructed to estimate their levels of hope and possibility through 34 questions. In the third phase, the participants were instructed to re-estimate their responses to the 34 questions by referring to the opinions of a panel of other Profesor, and an answer section through which subjective opinions could be presented was offered. Throughout the three phases of the Delphi survey, Kendall's W test was conducted to find the concordance rate with the specialist panel. The results showed that the scale of hope rose from .379 to .466, and the scale of possibility increased from .201 to .312. According to the Wilcoxon Signed-Rank test, significant differences were found between the scales of hope and possibility. An outline of the Korean clinical psychology field could be drawn through this study, and future directions could be sought through the education and training model. In addition, obstacles in the clinical psychology field could be identified through the difference between hope and possibility. This study is meaningful in that future directions for education and training in clinical psychology has been presented through an empirical study for the first time.

      • KCI등재

        Modified FOLFIRI as Second-Line Chemotherapy after Failure of Modified FOLFOX-4 in Advanced Gastric Cancer

        전은경,홍숙희,김태희,정승은,박지찬,원혜성,고윤호,노상영,홍영선 대한암학회 2011 Cancer Research and Treatment Vol.43 No.3

        Purpose The purpose of this study was to evaluate efficacy and toxicity of irinotecan, leucovorin and 5-fluorouracil (FOLFIRI) as second-line treatment after failure of oxaliplatin, leucovorin and 5-fluorouracil (FOLFOX) for advanced gastric cancer. Materials and Methods Patients who received modified FOLFOX-4 as first-line treatment and then received sequential modified FOLFIRI for disease progression were included in this study. The modified FOLFIRI regimen consisted of irinotecan 150 mg/m2 in a 90-minute intravenous infusion on day 1, leucovorin (LV) 20 mg/m2 and 5-fluorouracil (5-FU) 400 mg/m2 as a bolus followed by 600 mg/m2 as a 22-hour infusion on days 1 and 2 with the same dose of 5-FU/LV of modified FOLFOX-4 every 2 weeks. Results A total of 32 patients received 126 courses of FOLFIRI chemotherapy. No complete response was achieved. Three patients (9.4%; 95% confidence interval [CI], 0 to 20.1%) achieved partial response, whereas 11 (34.4%; 95% CI, 17.0 to 51.8%) patients showed stable disease. Disease control rate (complete response, partial responses and stable diseases) was 43.8%(95% CI, 25.6 to 61.9%) and median follow up duration was 11.3 months (range, 2.23 to 37.9months). Median time to progression was 2 months (95% CI, 1.49 to 2.51 months), and median overall survival from the start of FOLFIRI was 5.84 months (95% CI, 4.34 to 7.34 months). Toxicities were tolerable. Conclusion Modified FOLFIRI as second-line chemotherapy after failure of the modified FOLFOX-4 in advanced gastric cancer was tolerable but showed a lower response rate. Further study about retrying 5-FU/LV with irinotecan after failure of the 5-FU/LV combined regimen is necessary in advanced gastric cancer.

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