期刊
NATURE METHODS
卷 8, 期 4, 页码 353-+出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NMETH.1583
关键词
-
资金
- Deutsche Forschungsgemeinschaft [SFB 755]
We demonstrate three-dimensional (3D) super-resolution imaging of stochastically switched fluorophores distributed across whole cells. By evaluating the higher moments of the diffraction spot provided by a 4Pi detection scheme, single markers can be simultaneously localized with < 10 nm precision in three dimensions in a layer of 650 nm thickness at an arbitrarily selected depth in the sample. By splitting the fluorescence light into orthogonal polarization states, our 4Pi setup also facilitates the 3D nanoscopy of multiple fluorophores. Offering a combination of multicolor recording, nanoscale resolution and extended axial depth, our method substantially advances the noninvasive 3D imaging of cells and of other transparent materials.
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