Intrinsic-contrast super-resolution imaging of DNA at 2-nm resolution
2 纳米分辨率的 DNA 本质对比度超分辨率成像
基本信息
- 批准号:10043496
- 负责人:
- 金额:$ 31.21万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-09-20 至 2024-08-31
- 项目状态:已结题
- 来源:
- 关键词:AcidsAddressAmino AcidsArchitectureBiological ModelsBiomedical ResearchBiopolymersBypassCell physiologyCellsCellular StructuresChemistryChromatinComplexDNADataDetectionDiseaseExhibitsFiberFluorescenceGenetic TranscriptionGenomeGoalsImageImaging technologyIndividualLabelLeadLengthMethodsMicroscopyMicrotubulesMolecularMolecular ProfilingMolecular StructureNanoscopyNormal CellNucleotidesOpticsPhotonsPlayPositioning AttributePrizeProcessProteinsReportingResolutionRoleScienceSignal TransductionStructureSystemTechnologyThree-Dimensional ImagingTimeVisible Radiationbasebiological researchbiological systemscellular imagingdensityds-DNAinnovationmacromolecular assemblymacromoleculemolecular recognitionmolecular scalemonomernanonanometernanometer resolutionnanoscalenew technologynoveloptical imagingoptical nanoscopyoptical spectrasingle moleculetechnology research and developmentthree dimensional structurevirtual
项目摘要
PROJECT SUMMARY
One of the major recent scientific breakthroughs was the emergence of super-resolution optical nanoscopy.
Nanoscale optical imaging currently plays a crucial role in biomedical sciences and has provided invaluable
information about cellular structure and function at the macromolecular scale. However, the potential of this
technology can be immensely enhanced. In this project a new optical technology, spectroscopic intrinsic-contrast
photon-localization optical nanoscopy (SICLON), will be developed that will enable label-free nanoscale imaging
of three-dimensional structure and molecular composition of cells with spatial resolution approaching 2 nm.
SICLON is based on a newly discovered physical effect: most biopolymers, such as DNA, that until recently had
been considered “dark” in the visible regime exhibit stochastic fluorescence switching when illuminated by low-
intensity visible light. The technology could have a profound impact on a wide range of biological research as it
will become possible to do molecular-resolution, whole-cell, optical imaging without the use of labels.
项目摘要
最近的一个重大科学突破是超分辨率光学纳米镜的出现。
纳米尺度光学成像目前在生物医学科学中起着至关重要的作用,
在大分子尺度上的细胞结构和功能的信息。然而,这一潜力
技术可以大大提高。本课题采用了一种新的光学技术--光谱本征反差技术
光子定位光学纳米显微镜(SICLON)将被开发,这将使无标记纳米成像
三维结构和分子组成的细胞与空间分辨率接近2纳米。
SICLON是基于一种新发现的物理效应:大多数生物聚合物,如DNA,直到最近,
在可见光范围内被认为是“暗的”,当被低-
可见光强度。这项技术可能会对广泛的生物学研究产生深远的影响,因为它
将有可能在不使用标记的情况下进行分子分辨率、全细胞、光学成像。
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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Hao F Zhang其他文献
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{{ truncateString('Hao F Zhang', 18)}}的其他基金
TR&D Project 3: Photoacoustic Detection of Metal Fluxes at the Tissue Level
TR
- 批准号:
10494062 - 财政年份:2020
- 资助金额:
$ 31.21万 - 项目类别:
TR&D Project 3: Photoacoustic Detection of Metal Fluxes at the Tissue Level
TR
- 批准号:
10197971 - 财政年份:2020
- 资助金额:
$ 31.21万 - 项目类别:
Intrinsic-contrast super-resolution imaging of DNA at 2-nm resolution
2 纳米分辨率的 DNA 本质对比度超分辨率成像
- 批准号:
10473769 - 财政年份:2020
- 资助金额:
$ 31.21万 - 项目类别:
TR&D Project 3: Photoacoustic Detection of Metal Fluxes at the Tissue Level
TR
- 批准号:
10652611 - 财政年份:2020
- 资助金额:
$ 31.21万 - 项目类别:
Intrinsic-contrast super-resolution imaging of DNA at 2-nm resolution
2 纳米分辨率的 DNA 本质对比度超分辨率成像
- 批准号:
10266060 - 财政年份:2020
- 资助金额:
$ 31.21万 - 项目类别:
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