logical operation of electron spins embedded in DNA

• Project/Area Number: 23655134
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Functional materials chemistry
• Research Institution: Osaka City University
• Principal Investigator: SHIOMI Daisuke 大阪市立大学, 大学院・理学研究科, 准教授 (40260799)
• Project Period (FY): 2011 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000); Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
• Keywords: 分子素子 / スピンラベル / ラジカル / DNA / ESR

Research Abstract

Possible logic gate operation is proposed in which organic open-shell molecules are organized in nucleotide oligomers. As a model system of the DNA-based organization of radical molecules, spin-labeled nucleobase ligands were designed and

Research Products

• [Journal Article] Pulsed Electron Spin Nutation Spectroscopy of Weakly Exchange-coupled Biradicals: A General Theoretical Approach and Determination of the Spin Dipolar Interaction (2012)
  • Author(s): Y. Morita , T. Takui, 他9 人
  • Journal Title: Phys. Chem. Chem. Phys. Volume: 14 Issue: 25 Pages: 9137-9148
  • DOI: 10.1039/c2cp40778g
  • Peer Reviewed
• [Journal Article] Trinitroxide-Trioxytriphenylamine : Spin-State Conversion from Triradical Doublet to Diradical Cation Triplet by Oxidative Modulation of a p-Conjugated System (2012)
  • Author(s): S.Suzuki
  • Journal Title: Angew.Chem.Int.Ed. Volume: 51 Issue: 13 Pages: 3193-3197
  • DOI: 10.1002/anie.201107265
  • Peer Reviewed
• [Journal Article] A Synthetic Two-spin Quantum Bit: g-Engineered Exchange-coupled Biradical Designed for Controlled-NOT Gate Operations (2012)
  • Author(s): Y. Morita , T. Takui, 他13人
  • Journal Title: Angew. Chem Int. Ed. Volume: 51 Issue: 39 Pages: 9860-9864
  • DOI: 10.1002/anie.201204489
  • Peer Reviewed
• [Journal Article] (Nitronyl Nitroxide)- substituted Trioxytriphenylamine Radical Cation Tetrachlorogallate Salt: A 2p Electron-Based Weak Ferromagnet Composed of Triplet Diradical Cation (2012)
  • Author(s): M. Kuratsu, S. Suzuki, M. Kozaki, D. Shiomi, K. Sato, T. Takui, T. Kanzawa, Y. Hosokoshi, X-Z. Lan, Y. Miyazaki, A. Inaba, K. Okada
  • Journal Title: Chem. Asian. J. Volume: 7 Issue: 7 Pages: 1604-1609
  • DOI: 10.1002/asia.201200084
  • Peer Reviewed
• [Journal Article] Tandem Arrays of TEMPO and Nitronyl Nitroxide Radicals with Designed Arrangement on DNA (2012)
  • Author(s): Atsumi, H.; Maekawa, K.; Nakazawa, S.; Shiomi, D.; Sato, K.; Kitagawa, M.; Takui, T.; Nakatani, K.
  • Journal Title: Chemistry-A European Journal Volume: 18 Issue: 1 Pages: 178-183
  • DOI: 10.1002/chem.201102693
  • Peer Reviewed
• [Journal Article] Biradical Paradox Revisited Quantitatively : A Theoretical Model for Self-Associated Biradical Molecules as Antiferromagnetically Exchange-Coupled Spin Chains in Solution (2012)
  • Author(s): Y.Kanzzaki
  • Journal Title: J.Phys.Chem.B Volume: 116 Issue: 3 Pages: 1053-1059
  • DOI: 10.1021/jp211391x
  • Peer Reviewed
• [Journal Article] Intramolecular Hydrogen Bonding in Calix[4]arene-Based Nitroxide Monoradical and Biradical as Studied by CW-ESR and Pulse-ESR HYSCORE Spectroscopy (2011)
  • Author(s): T.Sawai
  • Journal Title: App.Magn.Reson. Volume: 41 Issue: 2-4 Pages: 337-352
  • DOI: 10.1007/s00723-011-0269-6
  • Peer Reviewed
• [Journal Article] Synthesis and Magnetic Properties of Dimethylmethylenebis(iminonitroxide) Diradical (2011)
  • Author(s): S. Suzuki, N. Itoh, K. Furuichi, M. Kozaki, D. Shiomi, K. Sato, T. Takui, K. Okada
  • Journal Title: Chem. Lett. Volume: 40 Issue: 1 Pages: 22-24
  • DOI: 10.1246/cl.2011.22
  • NAID: 130004426006
  • Peer Reviewed
• [Journal Article] Spin Enhancement by Grinding of Cu-TANC Coordination Polymer Crystals Showing d-pi Interactions (2011)
  • Author(s): M.Tadokoro
  • Journal Title: Chem.Phys.Chem. Volume: 12 Issue: 14 Pages: 2561-2564
  • DOI: 10.1002/cphc.201100489
  • Peer Reviewed
• [Journal Article] Solution-Stable Triple-Helicates of Quaterimidazole : Three-Dimensional Crystal Structures and Optical Resolution by Chiral-Column HPLC (2011)
  • Author(s): Y.Yakiyama, T.Murata, T.Ise, D.Shiomi, K.Sato, T.Takui, K.Nakasuji, Y.Morita
  • Journal Title: European Journal of Inorganic Chemistry Volume: 2011 Issue: 23 Pages: 3438-3495
  • DOI: 10.1002/ejic.201100488
  • Peer Reviewed
• [Journal Article] An Enantiopair of Organic Ferromagnet Crystals Based on Helical Molecular Packing of Achiral Organic Radicals (2011)
  • Author(s): D.Shiomi
  • Journal Title: J.Phys.Chem.Lett. Volume: 2 Issue: 24 Pages: 3036-3039
  • DOI: 10.1021/jz2014105
  • Peer Reviewed
• [Journal Article] ESR and 1H-, 19F-ENDOR/TRIPLE Study of Fluorinated Diphenylnitroxides as Synthetic Bus Spin-qubit Radicals with Client Qubits in Solution (2011)
  • Author(s): Y. Morita , T. Takui, 他8人
  • Journal Title: J. Phys. Chem. Lett. Volume: 2 Issue: 5 Pages: 449-453
  • DOI: 10.1021/jz101650z
  • Peer Reviewed
• [Journal Article] Organic Polyanionic High-Spin Molecular Clusters: Topological-Symmetry Controlled Models for Organic Ferromagnetic Metals (2011)
  • Author(s): Nakazawa, S.; Sato, K.; Shiomi, D.; Yano, M.; Kinoshita, T.; Franco, M.L.T.M.B.; Lazana, M.C.R.L.R.; Shohoji, M.C.B.L.; Itoh, K.; Takui, T.
  • Journal Title: Phys. Chem. Chem. Phys Volume: 13 Issue: 4 Pages: 1424-1433
  • DOI: 10.1039/c0cp00730g
  • Peer Reviewed
• [Journal Article] Ab initio and DFT Studies of the Spin-Orbit and Spin-Spin Contributions to the Zero-Field Splitting Tensors of Triplet Nitrenes with Aryl Scaffolds (2011)
  • Author(s): K. Sugisaki, K. Toyota, K. Sato, D. Shiomi, K. Kitagawa, T. Takui
  • Journal Title: Phys. Chem. Chem. Phys. Volume: 13 Issue: 15 Pages: 6939-6949
  • DOI: 10.1039/c0cp02809f
  • Peer Reviewed
• [Presentation] 分子力学法及びpulse-ELDOR測定によるDNAスピンラベル系の構造決定 (2013)
  • Author(s): 山本悟
  • Organizer: 日本化学会第93春季年会
  • Place of Presentation: 立命館大学(滋賀県)
  • Year and Date: 2013-03-22
• [Presentation] SQUID磁束計を用いた縦磁化検出法による円偏波ESR (2012)
  • Author(s): 塩見大輔
  • Organizer: 第51回電子スピンサイエンス学会年会
  • Place of Presentation: 札幌コンベンションセンター(北海道)
  • Year and Date: 2012-11-01
• [Presentation] 分子力学法によるDNAスピンラベル系の構造推定とパルス電子-電子二重共鳴スペクトル同定 (2012)
  • Author(s): 山本悟
  • Organizer: 日本化学会第92春季年会
  • Place of Presentation: 慶應義塾大学(神奈川県)
  • Year and Date: 2012-03-27
• [Presentation] 分子力学法によるDNAスピンラベル系の構造推定とパルス電子-電子二重共鳴スペクトル同定 (2012)
  • Author(s): 山本悟
  • Organizer: 日本化学会第92春季年会
  • Place of Presentation: 慶應義塾大学（神奈川県）
• [Presentation] パルス電子-電子二重共鳴法及び分子力学法によるDNAスピンラベル系の構造決定 (2011)
  • Author(s): 山本悟
  • Organizer: 第50回電子スピンサイエンス学会年会
  • Place of Presentation: 仙台国際センター(宮城県)
  • Year and Date: 2011-11-18
• [Presentation] DNAナノ構造上における電子スピンアレイ (2011)
  • Author(s): 厚見宙志
  • Organizer: 第50回電子スピンサイエンス学会年会
  • Place of Presentation: 仙台国際センター(宮城県)
  • Year and Date: 2011-11-16
• [Presentation] パルス電子-電子二重共鳴法及び分子力学法によるDNAスピンラベル系の構造と磁気的性質 (2011)
  • Author(s): 山本悟
  • Organizer: 第5回分子科学討論会
  • Place of Presentation: 札幌コンベンションセンター(北海道)
  • Year and Date: 2011-09-20
• [Presentation] パルス電子-電子二重共鳴法及び分子力学法によるDNAスピンラベル系の構造と磁気的性質 (2011)
  • Author(s): 山本悟
  • Organizer: 第5回分子科学討論会
  • Place of Presentation: 札幌コンベンションセンター（北海道）
• [Presentation] パルス電子-電子二重共鳴法及び分子力学法によるDNAスピンラベル系の構造決定 (2011)
  • Author(s): 山本悟
  • Organizer: 第50回電子スピンサイエンス学会年会
  • Place of Presentation: 仙台国際センター（宮城県）
• [Presentation] DNAナノ構造上における電子スピンアレイ (2011)
  • Author(s): 厚見宙志
  • Organizer: 第50回電子スピンサイエンス学会年会
  • Place of Presentation: 仙台国際センター（宮城県）