Mechanistic Studies on Quinoline and Other Photoremovable Protecting Groups for Biological Applications

化学结构、动力学和机制计划支持佐治亚大学的Timothy M.Dore教授，他将探索光去保护的机制，并优化对双光子激发(2PE)敏感的光可移除保护基团(PPG)的敏感性。许多光谱技术将被用来研究喹啉和其他对2PE敏感的PPG。这些材料有可能被用来光调节生物效应器的行为。优化其生物应用的光化学性质需要对光去保护反应机理有很好的了解。这项研究将扩大现有的光保护基团的基础，并开展光物理和光化学研究，目的是更好地了解这些系统的运行机制。在国家科学基金会化学部化学结构、动力学和机制计划的支持下，蒂莫西·M·多尔博士将制备适当的化合物，并了解使它们在双光子激发中有用的光物理特性，使其在双光子激发中有用，从而精确地控制生物过程。除了这项工作与生物科学的关系的广泛影响外，本科研究人员的加入也是该提案的一大优势。这项研究的多学科性质提供了一个很好的媒介来整合研究和教育，并培养学生成为对有机化学和光化学有深入了解的杰出学者。本科生，包括那些来自代表人数不足的群体的学生，在这项研究中发挥了主要作用。PI已经培养了超过25名本科生，其中许多人是文章和手稿的合著者，并被博士课程录取。该研究计划包括参与科学研究的人数不足的群体。

The Chemical Structure, Dynamics and Mechanisms Program supports Professor Timothy M. Dore at the University of Georgia who will explore the mechanism of photodeprotection and optimize the sensitivity of photoremovable protecting groups (PPG) that are sensitive to two-photon excitation (2PE). A host of spectroscopic techniques will be used to study quinoline and other PPG with sensitivity to 2PE. These materials have the potential to be used to photoregulate the action of biological effectors. Optimizing their photochemical properties for biological applications requires a good understanding of the photodeprotection reaction mechanism. The study will expand the base of photoprotecting groups available, as well as carry out photophysical and photochemical studies aimed at providing an improved understanding of the mechanism by which the systems operate. The research in this proposal will enable the development of novel tools and techniques to apply to fundamental scientific questions in neuroscience, developmental biology, biochemistry, physiology, and medicinal chemistry.With the support of the Chemical Structure, Dynamics and Mechanisms Program in the Chemistry Division at the National Science Foundation, Dr. Timothy M. Dore will prepare appropriate chemical compounds and understand the photophysical characteristics that will make them useful in two-photon excitation for precise 3-D control of biological processes. In addition to the broader impact of the relationship of the work to the biological sciences, the inclusion of undergraduate researchers is a major strength of the proposal. The multidisciplinary nature of this research provides an excellent medium to integrate research and education and to train students to become outstanding scholars with a depth of understanding of organic chemistry and photochemistry. Undergraduate students, including those from underrepresented groups, play a major role in the research. The PI has trained over 25 undergraduates and many are coauthors on articles and manuscripts and have matriculated into doctoral programs. The research plan includes the participation of underrepresented groups in science.