Understanding Chemical Complexity and Diversity Through Collaboration and Integration
通过协作和集成了解化学的复杂性和多样性
基本信息
- 批准号:0717518
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2008
- 资助国家:美国
- 起止时间:2008-01-15 至 2012-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Project title: "Understanding Chemical Complexity and Diversity Through Integration and Collaborations"Project Number: CHE-07-17518Principle Investigator: Nicholas J. Turro, Columbia UniversityAbstractThe proposed research is based on the hypothesis that the principles of structure-reactivity correlations of molecular chemistry (which is based on the paradigm of intramolecular bonds between the atoms that make up a molecule) can be successfully extended to supramolecular chemistry (which is based on the paradigm of intermolecular bonds between molecules) through the integration of the fundamental concepts of the fields and collaborations involving the PI's laboratory and a national and international group of collaborators. In addition to the electrical interactions between which are the basis for both molecular and supramolecular chemistry, molecules also possess magnetic properties that are related to electron spins and nuclear spins. The rate of change of orientation of electrons spins can control the reactions of electronically excited states and of radical species. The change of the orientation of nuclear spins is the basis of nuclear magnetic resonance spectroscopy. The proposed research will investigate the ability of pairs of electron spins to control chemical processes that are relevant to chemical synthesis and of pairs of nuclear spins to control features of nuclear magnetic resonance spectroscopy that are relevant to magnetic resonance imaging (MRI). Specific examples include (1) the study of the change in nuclear spin orientation of hydrogen molecules (H2) that are contained inside a fullerene, C60 molecule; and (2) the study of the change of electron spin orientation in determining the rate of energy transfer in systems involving luminescent molecular probes of mRNA targets in living cells. In addition to these studies, the proposed research will investigate (3) the synthesis of novel polymer networks by selective polymerization and coupling reactions combined with photochemical cleavage of the polymer networks; and (4) the synthesis of nanoparticles possessing ligands that allow a general and universal modification depending on the desire application of the nanoparticle. In terms of broader impact and outreach, the PI will (1) continue to identify and establish a interdisciplinary and global network of senior collaborators and their students, from academic institutions and industry; (2) provide collaborators with a multi-user-friendly laboratory at Columbia consisting of state of the art steady state and time resolved laser flash photolysis with luminescence, ESR, IR and UV-VIS absorption detection; (3) present a series of public lectures on the way science operates through paradigms; (4) develop human resources and encouragement of the participation of underrepresented groups through his mentoring of undergraduates, graduate students, postdoctoral associates, visiting scholars and New York City high school teachers.
项目名称:“通过整合和合作理解化学复杂性和多样性“项目编号:CHE-07- 17518主要研究者:Nicholas J. Turro,哥伦比亚大学摘要本研究基于分子化学的结构-反应性相关性原理(它是基于组成分子的原子之间的分子内键的范例)可以成功地扩展到超分子化学(基于分子间分子间键的范例)通过整合领域的基本概念和涉及PI实验室以及国家和国际合作者小组的合作。除了作为分子和超分子化学基础的电相互作用之外,分子还具有与电子自旋和核自旋相关的磁性。 电子自旋取向的变化率可以控制电子激发态和自由基物种的反应。 核自旋取向的变化是核磁共振波谱学的基础。 拟议的研究将调查电子自旋对控制与化学合成相关的化学过程的能力,以及核自旋对控制与磁共振成像(MRI)相关的核磁共振光谱特征的能力。 具体的例子包括(1)富勒烯C60分子内部所含的氢分子(H2)的核自旋取向的变化的研究;和(2)在确定涉及活细胞中mRNA靶的发光分子探针的系统中的能量转移速率时的电子自旋取向的变化的研究。 除了这些研究之外,拟议的研究将调查(3)通过选择性聚合和偶联反应结合聚合物网络的光化学裂解合成新型聚合物网络;以及(4)合成具有配体的纳米颗粒,这些配体允许根据纳米颗粒的期望应用进行一般和普遍的修饰。在更广泛的影响和推广方面,主要研究者将(1)继续确定和建立一个跨学科的全球网络,由来自学术机构和工业界的高级合作者及其学生组成;(2)在哥伦比亚为合作者提供一个多用户友好的实验室,包括最先进的稳态和时间分辨激光闪光光解,以及发光、ESR、IR和UV-VIS吸收检测;(3)举办一系列关于科学如何通过范式运作的公开讲座;(4)通过他对本科生、研究生、博士后、访问学者和纽约市高中教师的指导,开发人力资源并鼓励代表性不足的群体参与。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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George Flynn其他文献
George Flynn的其他文献
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{{ truncateString('George Flynn', 18)}}的其他基金
Applications of Photochemistry and Spin Chemistry to Challenges in Magnetic Resonance, Chemical Biology and Materials Sciences
光化学和自旋化学在应对磁共振、化学生物学和材料科学挑战中的应用
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Nanoscale Sensing of the Chemical and Physical Properties of Two-Dimensional Materials and Interfaces Using Scanning Probe Microscopy
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1012058 - 财政年份:2010
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- 批准号:
0701483 - 财政年份:2007
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Chemistry and Self-Assembly of Molecules at Liquid-Solid and Vacuum-Solid Interfaces
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0352582 - 财政年份:2004
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MRI: Acquisition of a Fully Cryogenic Scanning Tunneling Microscope
MRI:购买全低温扫描隧道显微镜
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0421191 - 财政年份:2004
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Scanning Tunneling Microscopy Probes of Self-Assembled Molecular Layers Physisorbed at Liquid-Solid Interfaces
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0095649 - 财政年份:2001
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Laser Studies of Energy Flow in Polyatomic Molecules
多原子分子能量流的激光研究
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9727205 - 财政年份:1998
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Environmental Molecular Science Institute on Chemical Sources and Sinks at Liquid/Solid Interfaces
环境分子科学研究所液/固界面化学源和汇
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9810367 - 财政年份:1998
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硅和氢封端硅表面材料沉积中的吸附位点和成核
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9424296 - 财政年份:1995
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