Acquisition of Two-Color 3-D Minflux for Live-Cell Single Molecule Imaging and Tracking at Unprecedented Spatial and Temporal Resolution

采集双色 3-D Minflux,以前所未有的空间和时间分辨率进行活细胞单分子成像和跟踪

基本信息

项目摘要

This award will enable the purchase of a MINFLUX imaging and molecule tracking system. MINFLUX technology can locate molecules to 2 nm resolution and the ability to track molecules with 10 MHz time resolution an order of magnitude improvement over other single molecule techniques. MINFLUX is a technology developed by Nobelist, Stefan Hell. As the name suggests, MINFLUX detects individual molecules by illuminating their surroundings and not exposing the molecule itself to high light intensities, greatly reducing bleaching and phototoxicity. This is accomplished by optically activating a fluorescent molecule and then surrounding it with a donut of excitation light. As the center of the donout is moved off the molecule the fluorescence intensity increases indicating the position of the molecule. This process is then carried out in three directions locating the molecule in space while minimizing the photon flux experienced by the molecule to the range of 800 to 2500 photons per localization event.The extraordinary capabilities of this instrument will allow at least 20 faculty from 10 participating units at the University of Illinois to track receptors in neuronal synapses, image chromatin folding, neural muscular junctions, and much more. All against the background of the cell or other complex environments. There are currently two MINFLUX systems in the United States. One is located at Scripps on the west coast and one at NIH on the east coast. A MINFLUX instrument in the area would provide access to faculty members located in the Midwest and strengthen the University of Illinois’ standing in imaging.The best-in-class resolution of the MINFLUX microscope will allow new science to be conducted and foster collaborations between experimental and theoretical biophysicists to characterize these discoveries. It will be housed in the IGB Core Facility and will be managed with the same training procedures, calendars, and billing, as our other high end optical microscopes. As the MINFLUX early adopter in the Midwest, the IGB Facility will work with Abberior instruments to provide demonstrations and access for off campus researchers along with hands- on training for students and postdocs at Illinois and throughout the MidwestThis award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该合同将用于购买MINFLUX成像和分子跟踪系统。MINFLUX技术可以定位分子到2纳米的分辨率和跟踪分子的能力与10 MHz的时间分辨率的一个数量级的改善比其他单分子技术。MINFLUX是由诺贝尔奖得主Stefan Hell开发的技术。顾名思义,MINFLUX通过照亮周围环境来检测单个分子,而不是将分子本身暴露在高强度的光下,从而大大减少漂白和光毒性。这是通过光学激活荧光分子,然后用激发光包围它来实现的。当donout的中心离开分子时,荧光强度增加,指示分子的位置。然后,在三个方向上进行该过程,将分子定位在空间中,同时将分子经历的光子通量最小化到每次定位事件800到2500个光子的范围内。该仪器的非凡能力将允许来自伊利诺伊大学10个参与单位的至少20名教师跟踪神经元突触中的受体,成像染色质折叠,神经肌肉接头,和更.所有这些都是针对细胞或其他复杂环境的背景。目前在美国有两个MINFLUX系统。一个位于西海岸的斯克里普斯,一个位于东海岸的NIH。MINFLUX显微镜的一流分辨率将使新的科学研究得以开展,并促进实验生物学家和理论生物学家之间的合作,以表征这些发现。MINFLUX显微镜将为位于中西部的教师提供访问机会,并加强伊利诺伊大学在成像领域的地位。它将被安置在IGB核心设施,并将与我们的其他高端光学显微镜相同的培训程序,日历和计费进行管理。作为MINFLUX在中西部的早期采用者,IGB设施将与Abberior仪器合作,为校外研究人员提供演示和访问,并为伊利诺伊州和整个中西部的学生和博士后提供实践培训。该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估来支持。

项目成果

期刊论文数量(0)
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Martin Gruebele其他文献

Stability vs. environmental sensitivity: The importance of protein surface charge adaptations
  • DOI:
    10.1016/j.bpj.2023.11.1874
  • 发表时间:
    2024-02-08
  • 期刊:
  • 影响因子:
  • 作者:
    Edward Knab;Matthew Sternke;Doug Barrick;Martin Gruebele;Caitlin Davis
  • 通讯作者:
    Caitlin Davis
Quinary Structure Modulates Consensus Protein Sequence Stability in Cells
  • DOI:
    10.1016/j.bpj.2019.11.2671
  • 发表时间:
    2020-02-07
  • 期刊:
  • 影响因子:
  • 作者:
    Caitlin Davis;Martin Gruebele
  • 通讯作者:
    Martin Gruebele
The Role of TMAO in Protein Folding: A Joint Experimental and Simulation Study
  • DOI:
    10.1016/j.bpj.2017.11.332
  • 发表时间:
    2018-02-02
  • 期刊:
  • 影响因子:
  • 作者:
    Mayank M. Boob;Shahar Sukenik;Taras V. Pogorelov;Martin Gruebele
  • 通讯作者:
    Martin Gruebele
The vibrationally adiabatic torsional potential energy surface of <em>trans</em>-stilbene
  • DOI:
    10.1016/j.cplett.2007.03.109
  • 发表时间:
    2007-05-25
  • 期刊:
  • 影响因子:
  • 作者:
    Praveen D. Chowdary;Todd J. Martinez;Martin Gruebele
  • 通讯作者:
    Martin Gruebele
Conformational energy gaps and scaling of conformer density in chain molecules
  • DOI:
    10.1016/j.cplett.2011.03.050
  • 发表时间:
    2011-04-29
  • 期刊:
  • 影响因子:
  • 作者:
    Peter L. Walters;Maxim B. Prigozhin;Tyler Y. Takeshita;Lu Xu;Felipe M. Olivarez;Martin Gruebele
  • 通讯作者:
    Martin Gruebele

Martin Gruebele的其他文献

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{{ truncateString('Martin Gruebele', 18)}}的其他基金

Protein dynamics: from the marginally to the extremely stable
蛋白质动力学:从边缘稳定到极其稳定
  • 批准号:
    2205665
  • 财政年份:
    2022
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Standard Grant
Dynamics and equilibria of weak in-cell interactions
细胞内弱相互作用的动力学和平衡
  • 批准号:
    1803786
  • 财政年份:
    2018
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Standard Grant
Coupling protein dynamics and cell dynamics
耦合蛋白质动力学和细胞动力学
  • 批准号:
    1413256
  • 财政年份:
    2014
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Continuing Grant
Imaging the surface dynamics of glasses and photoexcited molecules
玻璃和光激发分子的表面动力学成像
  • 批准号:
    1307002
  • 财政年份:
    2013
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Continuing Grant
Room temperature single molecule absorption spectroscopy detected by STM
STM检测室温单分子吸收光谱
  • 批准号:
    0948382
  • 财政年份:
    2010
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Standard Grant
Protein Folding from Solution to the Living Cell
蛋白质从溶液到活细胞的折叠
  • 批准号:
    1019958
  • 财政年份:
    2010
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Continuing Grant
Protein Dynamics in Complex Environments
复杂环境中的蛋白质动力学
  • 批准号:
    0613643
  • 财政年份:
    2006
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Continuing Grant
Protein Folding Kinetics and Activated Rate Models
蛋白质折叠动力学和激活率模型
  • 批准号:
    0316925
  • 财政年份:
    2003
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Continuing Grant
U.S.-Japan Cooperative Science: Early Events of Protein Folding
美日合作科学:蛋白质折叠的早期事件
  • 批准号:
    0089286
  • 财政年份:
    2001
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Standard Grant
Modeling and Laser Control of Molecular Vibrational Energy Flow
分子振动能量流的建模和激光控制
  • 批准号:
    9986670
  • 财政年份:
    2000
  • 资助金额:
    $ 19.45万
  • 项目类别:
    Continuing Grant

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