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Investigation on Single Molecule Junction 单分子结的研究
Pub Date : 2013-01-01 DOI: 10.3175/MOLSCI.7.A0058
M. Kiguchi
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引用次数: 0
Molecular Science of Fluctuations Toward Biological Functions 生物功能波动的分子科学
Pub Date : 2013-01-01 DOI: 10.3175/MOLSCI.7.A0063
M. Terazima
In this monograph, the importance of fluctuations for biological reactions is discussed from various points of view. Understanding the biological reactions at the molecular level is one of the major targets in many scientific fields, including not only basic biology but also physics, physical chemistry, and medical science. One of the key factors in the process is fluctuation . Thermal energy causes biological molecules to be in constant fluctuation even while they are carrying out their biological functions. How do biological systems overcome the thermal fluctuations to realize the physiologically relevant reactions? Scientists in a number of fields physics, chemistry, pharmacology, medicine, and others have contributed chapters that elucidate the nature of the fluctuations and the relationship between fluctuations and biological functions. The fluctuations discussed in this volume are detected by the transient grating method, nuclear magnetic resonance, X-ray diffraction and scattering, and computer simulation, among other methods. The book presents various results of the studies of fluctuations in biological processes that were obtained with these methods by the leading scientists in their fields
在这本专著中,从不同的角度讨论了波动对生物反应的重要性。在分子水平上理解生物反应是许多科学领域的主要目标之一,不仅包括基础生物学,还包括物理学、物理化学和医学。这一过程的关键因素之一是波动。热能使生物分子在执行生物功能的同时也处于不断的波动中。生物系统如何克服热波动来实现与生理相关的反应?物理学、化学、药理学、医学和其他领域的许多科学家都贡献了阐明波动的性质以及波动与生物功能之间关系的章节。本卷中讨论的波动是通过瞬态光栅法、核磁共振、x射线衍射和散射以及计算机模拟等方法检测到的。这本书介绍了在生物过程中波动的研究的各种结果,这些结果是由在各自领域的领先科学家用这些方法获得的
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引用次数: 3
Heterodyne-Detected Vibrational Sum Frequency Generation Spectroscopy Studies of Structure and Dynamics of water at interfaces 界面水结构与动力学的外差探测振动和频率产生光谱研究
Pub Date : 2013-01-01 DOI: 10.3175/MOLSCI.7.A0060
S. Nihonyanagi
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引用次数: 1
包接錯体のレーザー分光 : ホスト・ゲスト錯体の包接機構の分子レベルでの解明を目指して 包接配合物的激光光谱:旨在从分子层面阐明host -客人配合物的包接机制
Pub Date : 2012-06-21 DOI: 10.3175/MOLSCI.6.A0051
Takayuki Ebata, Yoshiya Inokuchi
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引用次数: 1
Unexpected Common Ground between Chemistry and Game Informatics 化学和游戏信息学之间意想不到的共同点
Pub Date : 2012-01-01 DOI: 10.3175/MOLSCI.6.A0050
K. Hoki
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引用次数: 0
Construction of Coexisting Systems of Magnetism and Conductivity Based on Organic Radical Spins 基于有机自由基自旋的磁导共存体系的构建
Pub Date : 2012-01-01 DOI: 10.3175/MOLSCI.6.A0049
M. Matsushita
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引用次数: 0
Development and Use of Novel Soft x-ray Spectroscopic Methods for Gaseous Molecules 气体分子软x射线光谱新方法的发展与应用
Pub Date : 2012-01-01 DOI: 10.3175/MOLSCI.6.A0048
J. Adachi
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引用次数: 0
Antimatter Research with Cold Antihydrogen and Cold Antiproton 用冷反氢和冷反质子研究反物质
Pub Date : 2012-01-01 DOI: 10.3175/MOLSCI.6.A0053
Y. Yamazaki
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引用次数: 0
A Growth Model of Nanocarbons 纳米碳的生长模型
Pub Date : 2012-01-01 DOI: 10.3175/MOLSCI.6.A0055
Y. Achiba
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引用次数: 0
Novel Catalysis by Gold: from Nanoparticles to Clusters 金的新型催化作用:从纳米颗粒到团簇
Pub Date : 2012-01-01 DOI: 10.3175/MOLSCI.6.A0056
M. Haruta
【金触媒による選択水素化の可能性】 金触媒は低温での酸素酸化には優れているが、Pd や Pt 触媒に比べ水素分子の解離が苦手なので、水素化反応で優れた選択性を示しても触媒活性が 低いため、実用化に至らないと言う課題を残している。 Au/TiO2 単結晶系表面科学モデル触媒 を作成して、H2-D2 交換反応を調べた結果、その反応速度は金ナノ粒子の接合界面周縁部の長 さに比例することが判明した(図 1)[4]。この周縁部長さは金の粒子径の 2 乗に逆比例する。 さら に、金クラスターの原子数の関数として dバンド幅、d3/2-d5/2スピン・軌道分裂幅、および dバンド センターを測定したところ、 これらの d バンドパラメーターは原子数 150 以下(金粒子の直径で 1.7 nm 以下)で急激な変化を示した[5]。このことは金クラスターになると水素化触媒特性が急変 する可能性を意味しており、水素化反応においても将来金が触媒として活躍できると期待される。
【利用金催化剂进行选择性氢化的可能性】金催化剂在低温下的氧气氧化性能很好,但与Pd和Pt催化剂相比,氢分子的解离能力较差,因此即使在氢化反应中表现出良好的选择性,催化活性也很低。因为低,还留下了无法实用化的课题。通过制备Au/TiO2单晶体表面科学模型催化剂,研究H2-D2交换反应,发现其反应速度与金纳米粒子接合界面边缘的长度成正比(图1)[4]。这个边缘差与金粒子直径的平方成反比。此外,作为金簇的原子数的函数,我们测量了d带宽度、d3/2-d5/2自旋轨道分裂宽度和d带中心,这些d带参数包括原子数150在下面(金粒子的直径在1.7 nm以下)显示了急剧的变化[5]。这意味着金集群的氢化催化特性有可能发生突变,在氢化反应中,金将来也有望作为催化剂发挥作用。
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引用次数: 0
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Molecular Science
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