• 제목/요약/키워드: Chemistry

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대학교 일반화학과 고등학교 화학 I, 화학 II 교과의 연계성 및 일반화학에 대한 대학생들의 인식조사 (Relationship between the High School Chemistry I, II, and the General Chemistry, and College Students' Cognition about the Subject)

  • 문숙희;이상좌
    • 대한화학회지
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    • 제55권1호
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    • pp.112-123
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    • 2011

  • 화학은 단계별로 개념이 연계 발전되는 학문 체계를 가지므로 고등학교의 화학 I II의 교육 내용은 대학 일반화학과 연계성 측면에서 매우 중요하다. 현재 고등학교 학생들은 심화 선택 최상위 과목인 화학II를 배우지 않고도 이공계 대학에 진학하는 것이 가능하다. 따라서 이러한 학생들이 일반화학을 수강하면서 얼마나 어려움을 겪는지 알아보기 위해 일반화학과 고등학교 화학교재의 내용 연계성 및 학생들의 인식을 조사했다. 연구 결과, 화학I에서는 일반화학 필수 개념의 약 27%밖에 소개하고 있지 않지만, 화학II에서는 약 62%의 내용이 일반화학과 연계되었다. 전남 M대학의 학생들 중 화학II를 배우지 않은 약 70%의 학생들은 일반화학을 배울 때 상대적으로 더 어려워했고, 학업성취도도 상대적으로 낮았을 뿐 아니라, 화학에 대해 흥미도도 낮게 조사되었다.

  • https://doi.org/10.5012/jkcs.2011.55.1.112 인용 PDF KSCI KPUBS HTML

A Comparative Study of Secondary Chemistry Education in Korea and China

  • Lee, Wha-Kuk;Hur, Chinhyu;Chuan, Zhou
    • 한국과학교육학회지
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    • 제21권5호
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    • pp.944-967
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    • 2001

  • The purpose of this study is to compare and analyze secondary school chemistry education in Korea and China in order to identify implications for the improvement of Korean chemistry education. The school systems, curricula, and teacher education related to secondary chemistry education of both countries were compared and analyzed. The 6-3-3-4 school system is used in both countries, and national school curricula are formulated by the Ministries of Education in both countries. The 1996 chemistry curricular standard for advanced middle schools in China, and 1997 chemistry curriculum for Korean high schools were compared in several aspects, followed by comparisons of chemistry teacher education in both countries. Based on the comparative analysis of chemistry education, some ideas and issues which provide implications for improving Korean high school chemistry education were identified. Chemistry teaching in the junior secondary schools, tentative implementation of curricula, required course work in chemistry, structure of curricula, oral assessments, probation of teachers and other issues are identified and discussed in this study.

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Macasiamenene V, a New Stilbenoid from the Leaves of Macaranga inermis

  • Aldin, Muhammad Fajar;Tjahjandarie, Tjitjik Srie;Saputri, Ratih Dewi;Tanjung, Mulyadi
    • Natural Product Sciences
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    • 제27권1호
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    • pp.45-48
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    • 2021

  • One new compound, macasiamenene V (1), and two known stilbenes (2-3) were isolated from Macaranga inermis Pax & K.Hoffm leaves. The structure of 1 was fully assigned based on the information on high-resolution MS and (1D, 2D) NMR spectra. The cytotoxic of compounds 1-3 was evaluated against 4T1 and HeLa cells. Compounds 2-3 showed high activity against HeLa cells with an IC50 value of 1.09 and 0.88 ㎍/mL, respectively.

  • https://doi.org/10.20307/nps.2021.27.1.45 인용 PDF KSCI