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Consumerism and Sustainable Development:An Austrailian-South Korean Comparative Study
Patrick Mullins,정대연,John S. Western,Ian Lowe,Rod Simpson 한국사회과학협의회 2004 Korean Social Science Journal Vol.31 No.1
This paper addresses a socio-cultural contradiction, one that is of monumental proportion, being global in scale and allegedly threatening the survival of the natural and social worlds. It emanates from two cultural imperatives - consumerism and environmentalism - and their consequent behaviours - consumption and environmental behaviour. Consumerism is a cultural imperative that demands we appropriate as many goods and services as possible and that we should do this essentially for fun and enjoyment. In contradistinction, environmentalism is the cultural imperative that demands we act in an environmentally sustainable way and, most particularly, do this by cutting back on consumption and against a backdrop of a impending
뇨중 Urinary Dipeptidase 의 근원에 대한 고찰
박행순,김도하,박성광,강성귀,Marlyn Burks,James M . Mullins,Benedict J . Campbell ( Haeng Soon Park,Doh Ha Kim,Sung Kwang Park,Sung Kyew Kang,Marlyn Burks,James M . Mullins,Benedict J . Campbell ) 생화학분자생물학회 1992 BMB Reports Vol.25 No.4
Urinary dipeptidase, an enzyme with β-lactamase activity, was purified from the urine of healthy individuals. The purified enzyme was monophoretic when examined in polyacrylamide gel electrophoresis at pH 8.3, and its molecular mass estimated by HPLC was 227,000 daltons. It catalyzed the hydrolysis of the β-lactam antibiotic, N-formimidoyl-thienamycin (imipenem) with K_m=15.8 mM and V_(max)= 55 μ㏖/min/㎎. Lineweaver-Burk analysis of urinary dipeptidase-catalyzed hydrclysis of imipenem in the presence of cilastatin (Z-S-[6-carboxy-6-{ [2,2-dimethyl-(S)-cyclopropyl carboxy]-amino}-5-hexenyl]-L-cysteine) demonstrated reversible, competitive inhibition. The K_i for the competitive inhibitor, cilastatin, was 6 M. Renal dipeptidase was solubilized with n-butanol from membranes prepared from the kidneys of renal stone patients and purified. The two enzymes showed many properties in common including molecular mass, substrate specificity, kinetic parameters, inhibition by cilastatin, pH optima, electrophoretic mobility, and immunological cross-reactivity. Disintegration of kidney tubules and release of peptidase activity into the urine of rabbits treated with sublethal levels of the nephrotoxic agent, cephaloridine, suggest that the urinary dipeptidase originates from the proximal tubules of mammalian kidneys.
미국 버지니아텍 공대 신입생에 대한 ‘지속가능 에너지 설계’ 프로젝트 수업의 효과
김진수(Jinsoo Kim),Jennifer Mullin,Vinod Lohan 한국공학교육학회 2007 공학교육연구 Vol.10 No.1
이 논문은 미국의 버지니아텍 공과대학 신입생을 대상으로 2006년 가을 학기에 프로젝트 수업을 실시한 실험 연구의 결과이다. 버지니아텍에는 공학교육과가 2004년에 설립되었다. 이 실험에서는 신입생 1200여명을 모집단으로 하여 5개 반을 표본으로 선정하였다. 연구 대상의 과목은 공학탐구이며, 수업의 주제로는 지속가능 에너지 설계이며, 6주 동안에 걸쳐 매주 이론 50분과 웍샵 90분 수업을 각 모듬별로 수행하였다. 이론은 교수가 강의하고 ?p샵은 박사과정의 조교가 수업을 실시하였다. SPSS(버전 15)을 사용하여 통계 분석한 결과는 다음과 같다. 5개 집단의 학업 성취도에 대하여 사전 및 사후 검사 점수로 대응 표본 t 검증한 결과, 혼성 학급인 4개 집단에서는 유의 수준 .05에서 사후 검사가 유의미하게 증가하 였으나, 여성학급에서는 유의미한 증가가 없었다. 5개 집단의 태도에 대하여 대응 표본 t 검증한 결과, 5 개 집단 모두에서 약간씩 감소하였으며 유의미한 값은 아니다. 끝으로 이 프로젝트 수업을 통한 기능 향상의 기대감에 대하여 개방형 질문을 하였으며, 학생들은 팀?p, 디자인 과정, 지식에 대한 응답이 가장 많았다. In this study, the effect of a sustainable energy design project on academic achievement for engineering freshmen at Virginia Tech in fall semester 2006 in the United States was examined by experimental method. The department of engineering education at Virginia Tech was opened in 2004. In this experiment the population was approximately 1200 freshmen, and 5 classes were sampled. Subject name is engineering exploration, a theme of the instruction is sustainable energy design, the project was performed throughout a 6 weeks period with one by 50 minutes lecture conducted by faculty and one 90 minutes workshop conducted by GTAs (Graduate Teaching Assistants) every week. The statistical results using SPSS (ver. 15.0) are as follows: A paired-samples t test analysis was run on the pre- and posttest to determine academic achievement, the results indicated a significant increase in 4 classes of mixed gender at .05 significance level, but there was no significance at 1 group of female class. A paired-samples t test analysis was run on the pre- and posttest to get an attitude score, the results showed, the posttest scores decreased for 5 groups even though it was not statistically significant. Finally, in responses to an open-ended question about students perceptions of their improvement in skills, the 3 most frequently identified skills were teamwork, design process, knowledge.