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Bulletin of the Korean Chemical Society 38건

  1. [국내논문]   Preparation of Oligonucleotide Arrays with High-Density DNA Deposition and High Hybridization Efficiency   피인용횟수: 2

    Park, Jeong-Won (Department of Chemistry and Center for Molecular Design and Synthesis, Korea Advanced Institute of Science and Technology ) , Jung, Yong-Won (Department of Chemistry and Center for Molecular Design and Synthesis, Korea Advanced Institute of Science and Technology ) , Jung, Young-Hwan (Department of Chemistry and Center for Molecular Design and Synthesis, Korea Advanced Institute of Science and Technology ) , Seo, Jeong-Sun (Macrogene, Inc., Department of Biochemistry and Molecular Biology, Seoul National University ) , Lee, Young-Hoon (Department of Chemistry and Center for Molecular Design and Synthesis, Korea Advanced Institute of Science and Technology)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1667 - 1670 , 2004 , 0253-2964 ,

    초록

    In DNA microarray produced by DNA-deposition technology, DNA-immobilization and -hybridization yields on a solid support are most important factors for its accuracy and sensitivity. We have developed a dendrimeric support using silylated aldehyde slides and polyamidoamine (PAMAM) dendrimers. An oligonucleotide array was prepared through a crosslinking between the dendrimeric support and an oligonucleotide. Both DNAimmobilization and -hybridization yields on the solid support increased by the modification with the dendrimers. The increase of the immobilization and hybridization efficiency seems to result from a threedimensional arrangement of the attached oligonucleotide. Therefore, our dendrimeric support may provide a simple and efficient solution to the preparation of DNA microarrays with high-density DNA-deposition and high hybridization efficiency.

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  2. [국내논문]   Osmylated Macroporous Cinchona Alkaloid Resins: Highly Efficient and Recyclable Catalysts for Asymmetric Dihydroxylation of Olefins   피인용횟수: 1

    Park, Yil-Sung (DongWoo Fine-Chem Co., Ltd ) , Jo, Cheon-Hee (DongWoo Fine-Chem Co., Ltd ) , Choi, Han-Young (DongWoo Fine-Chem Co., Ltd ) , Kwon, Eun-Kyung (Institute of Basic Science, Department of Chemistry, Sungkyunkwan University ) , Song, Choong-Eui (Institute of Basic Science, Department of Chemistry, Sungkyunkwan University)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1671 - 1675 , 2004 , 0253-2964 ,

    초록

    A simple method for simultaneous recovery and reuse of $OsO_4$ and alkaloid ligand in the asymmetric dihydroxylation of olefins has been developed by using macroporous alkaloid resins bearing residual vinyl groups.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  3. [국내논문]   Exploring Fine Structures of Photoactive Yellow Protein in Solution Using Wide-Angle X-ray Scattering   피인용횟수: 1

    Kim, Tae-Kyu (Department of Chemistry and School of Molecular Science (BK21), KAIST ) , Zuo, Xiaobing (Chemistry Division, Argonne National Laboratory ) , Tiede, David M. (Chemistry Division, Argonne National Laboratory ) , Ihee, Hyot-Cherl (Department of Chemistry and School of Molecular Science (BK21), KAIST)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1676 - 1680 , 2004 , 0253-2964 ,

    초록

    We demonstrate that wide-angle X-ray scattering pattern from photoactive yellow protein (PYP) in solution using a high flux third generation synchrotron X-ray source reflects not only the overall structure, but also fine structures of the protein. X-ray scattering data from PYP in solution have been collected in q ranges from 0.02 ${\AA}^{-1}$ to 2.8 ${\AA}^{-1}$ . These data are sensitive to the protein structure and consistent with the calculation based on known crystallographic atomic coordinates. Theoretical scattering patterns were also calculated for the intermediates during the photocycle of PYP to estimate the feasibility of time-resolved wide-angle X-ray scattering experiments on such proteins. These results demonstrate the possibility of using the wide-angle solution X-ray scattering as a quantitative monitor of photo-induced structural changes in PYP.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  4. [국내논문]   Electrochemistry on Alternate Structures of Gold Nanoparticles and Ferrocene-Tethered Polyamidoamine Dendrimers   피인용횟수: 3

    Suk, Jung-Don (Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) ) , Lee, Joo-Han (Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) ) , Kwak, Ju-Hyoun (Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST))
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1681 - 1686 , 2004 , 0253-2964 ,

    초록

    Self-assembled systems with polyamidoamine (PAMAM) dendrimers combined with gold nanoparticles have been widely studied because of their potential applications in molecular electronics, catalyst carriers, chemical sensors, and biomedical devices. In our work, gold nanoparticle monolayers and multilayers with pure and ferrocene-tethered PAMAM dendrimers as cross-linking molecules were deposited on a mixed self-assembled monolayer of gold substrates. The various generations of PAMAM dendrimers can be covalently attached to mercaptoundecanoic acid mixed with a mercaptoundecanol self-assembled monolayer. Cyclic voltammograms show that redox peak currents on the alternate multilayers of gold nanoparticles and ferrocene-tethered PAMAM dendrimers increase as the number of layers increases. Fourier transform IR external reflection spectroscopy and scanning electron microscopy support the results from electrochemical measurements.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  5. [국내논문]   Regioselective Addition Reactions of the Organoindium Reagents onto α,β-Unsaturated Ketones   피인용횟수: 4

    Lee, Phil-Ho (Department of Chemistry, Kangwon National University ) , Kim, Hyun (Department of Chemistry, Kangwon National University ) , Lee, Koo-Yeon (Department of Chemistry, Kangwon National University ) , Seomoon, Dong (Department of Chemistry, Kangwon National University ) , Kim, Sun-Dae (Department of Chemistry, Kangwon National University ) , Kim, Hee-Chul (Department of Chemistry, Kangwon National University ) , Kim, Hyun-Seok (Department of Chemistry, Kangwon National University ) , Lee, Mi-Ae (Department of Chemistry, Kangwon National University ) , Shim, Eun-Kyong (Department of Chemistry, Kangwon National University ) , Lee, Seok-Ju (Department of Chemistry, Kangwon National University ) , Kim, Mi-Sook (Department of Chemistry, Kangwon National University ) , Han, Mi-Jeong (Department of Chemistry, Kangwon National University ) , Noh, Kwang-Hyun (Department of Chemistry, Kangwon National University ) , Sridhar, Madabhushi (Department of Chemistry, Kangwon National University)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1687 - 1691 , 2004 , 0253-2964 ,

    초록

    Regioselectivity on the reactions of ${\alpha},{\beta}$ --enones with organoindium such as in situ generated allylindium and allenylindium was systematically studied in the presence of TMSCl as an additive. Treatment of 2-cyclohexen-1-one, carvone, 2-cyclohepten-1-one, and chalcone with allylindium reagent produced 1,4-addition products in good yields, while 2-cyclopenten-1-one, 2-methyl-2-cyclopenten-1-one, 4,4-dimethylcyclohexen-1-one, 3-nonen-2-one, 4-hexen-3-one, and 4-phenyl-3-buten-2-one afforded 1,2-addition products. Indium reagent derived from indium and propargyl bromide in Grignard type gave addition products in good yields, under which the successive addition of ${\alpha},{\beta}$ -enone and TMSCl were necessary. Although organoindium reagent derived from propargyl bromide produced propargylated compound in Grignard type except 2-cyclohepten-1-one, indium reagent obtained from 1-bromo-2-butyne having ${\gamma}$ -methyl group gave allenylated product inBarbier type.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  6. [국내논문]   Sulfurization of Trivalent Phosphorus Compounds with 1,2-Dithiole-3-thione  

    Drabowicz, Jozef (Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Department of Heteroorganic Chemistry ) , Luczak, Jerzy (Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Department of Heteroorganic Chemistry ) , Lyzwa, Piotr (Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Department of Heteroorganic Chemistry ) , Mikolajczyk, Marian (Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Department of Heteroorganic Chemistry ) , Pedersen, Carl Th. (Department of Chemistry, Odense University)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1692 - 1694 , 2004 , 0253-2964 ,

    초록

    Regioselectivity on the reactions of ${\alpha},{\beta}$ --enones with organoindium such as in situ generated allylindium and allenylindium was systematically studied in the presence of TMSCl as an additive. Treatment of 2-cyclohexen-1-one, carvone, 2-cyclohepten-1-one, and chalcone with allylindium reagent produced 1,4-addition products in good yields, while 2-cyclopenten-1-one, 2-methyl-2-cyclopenten-1-one, 4,4-dimethylcyclohexen-1-one, 3-nonen-2-one, 4-hexen-3-one, and 4-phenyl-3-buten-2-one afforded 1,2-addition products. Indium reagent derived from indium and propargyl bromide in Grignard type gave addition products in good yields, under which the successive addition of ${\alpha},{\beta}$ -enone and TMSCl were necessary. Although organoindium reagent derived from propargyl bromide produced propargylated compound in Grignard type except 2-cyclohepten-1-one, indium reagent obtained from 1-bromo-2-butyne having ${\gamma}$ -methyl group gave allenylated product inBarbier type.

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    원문보기
    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  7. [국내논문]   Direct Utilization of Naturally Occurring Sulfides for the Asymmetric Epoxidation of Aldehydes Mediated by Catalytic Ylides  

    Zanardi, Jacques (Laboratoire de Chimie Moleculaire et Thio-organique (UMR CNRS 6507), ENSICAEN-Universite de Caen ) , Reboul, Vincent (Laboratoire de Chimie Moleculaire et Thio-organique (UMR CNRS 6507), ENSICAEN-Universite de Caen ) , Metzner, Patrick (Laboratoire de Chimie Moleculaire et Thio-organique (UMR CNRS 6507), ENSICAEN-Universite de Caen)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1695 - 1698 , 2004 , 0253-2964 ,

    초록

    Regioselectivity on the reactions of ${\alpha},{\beta}$ --enones with organoindium such as in situ generated allylindium and allenylindium was systematically studied in the presence of TMSCl as an additive. Treatment of 2-cyclohexen-1-one, carvone, 2-cyclohepten-1-one, and chalcone with allylindium reagent produced 1,4-addition products in good yields, while 2-cyclopenten-1-one, 2-methyl-2-cyclopenten-1-one, 4,4-dimethylcyclohexen-1-one, 3-nonen-2-one, 4-hexen-3-one, and 4-phenyl-3-buten-2-one afforded 1,2-addition products. Indium reagent derived from indium and propargyl bromide in Grignard type gave addition products in good yields, under which the successive addition of ${\alpha},{\beta}$ -enone and TMSCl were necessary. Although organoindium reagent derived from propargyl bromide produced propargylated compound in Grignard type except 2-cyclohepten-1-one, indium reagent obtained from 1-bromo-2-butyne having ${\gamma}$ -methyl group gave allenylated product inBarbier type.

    원문보기

    원문보기
    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  8. [국내논문]   Synthesis and Liquid Chromatographic Determination of Optical Purity of Naphthyl Propionate Liquid Crystals   피인용횟수: 1

    Lee, Seng-Kue (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University ) , Shin, Myung-Soo (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University ) , Lee, Jong-Gun (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University ) , Kang, Kyung-Tae (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University ) , Kim, Yong-Bae (Liquid Crystal Research Center and Department of Chemistry, Konkuk University)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1699 - 1702 , 2004 , 0253-2964 ,

    초록

    Regioselectivity on the reactions of ${\alpha},{\beta}$ --enones with organoindium such as in situ generated allylindium and allenylindium was systematically studied in the presence of TMSCl as an additive. Treatment of 2-cyclohexen-1-one, carvone, 2-cyclohepten-1-one, and chalcone with allylindium reagent produced 1,4-addition products in good yields, while 2-cyclopenten-1-one, 2-methyl-2-cyclopenten-1-one, 4,4-dimethylcyclohexen-1-one, 3-nonen-2-one, 4-hexen-3-one, and 4-phenyl-3-buten-2-one afforded 1,2-addition products. Indium reagent derived from indium and propargyl bromide in Grignard type gave addition products in good yields, under which the successive addition of ${\alpha},{\beta}$ -enone and TMSCl were necessary. Although organoindium reagent derived from propargyl bromide produced propargylated compound in Grignard type except 2-cyclohepten-1-one, indium reagent obtained from 1-bromo-2-butyne having ${\gamma}$ -methyl group gave allenylated product inBarbier type.

    원문보기

    원문보기
    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  9. [국내논문]   Cyclen-Containing Inhibitors of Carboxypeptidase A Synthesized in Search of Target-Selective Artificial Proteases  

    Song, Jung-Bae (Department of Chemistry, Seoul National University ) , Hah, Sang-Soo (Department of Chemistry, Seoul National University ) , Suh, Jung-Hun (Department of Chemistry, Seoul National University)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1703 - 1706 , 2004 , 0253-2964 ,

    초록

    Regioselectivity on the reactions of ${\alpha},{\beta}$ --enones with organoindium such as in situ generated allylindium and allenylindium was systematically studied in the presence of TMSCl as an additive. Treatment of 2-cyclohexen-1-one, carvone, 2-cyclohepten-1-one, and chalcone with allylindium reagent produced 1,4-addition products in good yields, while 2-cyclopenten-1-one, 2-methyl-2-cyclopenten-1-one, 4,4-dimethylcyclohexen-1-one, 3-nonen-2-one, 4-hexen-3-one, and 4-phenyl-3-buten-2-one afforded 1,2-addition products. Indium reagent derived from indium and propargyl bromide in Grignard type gave addition products in good yields, under which the successive addition of ${\alpha},{\beta}$ -enone and TMSCl were necessary. Although organoindium reagent derived from propargyl bromide produced propargylated compound in Grignard type except 2-cyclohepten-1-one, indium reagent obtained from 1-bromo-2-butyne having ${\gamma}$ -methyl group gave allenylated product inBarbier type.

    원문보기

    원문보기
    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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    Fig. 1 이미지
  10. [국내논문]   Optical Resolution of Racemic α-Hydroxycarboxylic Acids on a Dynamic Chiral Stationary Phase Derived from (S)-Leucinol by Ligand Exchange Chromatography   피인용횟수: 2

    Hyun, Myung-Ho (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University ) , Kim, Jung-In (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University ) , Cho, Yoon-Jae (Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University ) , Ryoo, Jae-Jeong (Department of Chemical Education, Kyungpook National University)
    Bulletin of the Korean Chemical Society v.25 no.11 ,pp. 1707 - 1710 , 2004 , 0253-2964 ,

    초록

    Regioselectivity on the reactions of ${\alpha},{\beta}$ --enones with organoindium such as in situ generated allylindium and allenylindium was systematically studied in the presence of TMSCl as an additive. Treatment of 2-cyclohexen-1-one, carvone, 2-cyclohepten-1-one, and chalcone with allylindium reagent produced 1,4-addition products in good yields, while 2-cyclopenten-1-one, 2-methyl-2-cyclopenten-1-one, 4,4-dimethylcyclohexen-1-one, 3-nonen-2-one, 4-hexen-3-one, and 4-phenyl-3-buten-2-one afforded 1,2-addition products. Indium reagent derived from indium and propargyl bromide in Grignard type gave addition products in good yields, under which the successive addition of ${\alpha},{\beta}$ -enone and TMSCl were necessary. Although organoindium reagent derived from propargyl bromide produced propargylated compound in Grignard type except 2-cyclohepten-1-one, indium reagent obtained from 1-bromo-2-butyne having ${\gamma}$ -methyl group gave allenylated product inBarbier type.

    원문보기

    원문보기
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    Fig. 1 이미지

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