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- W4287864861 abstract "Diffraction unlimited super-resolution imaging critically depends on the switching of fluorophores between at least two states, often induced using intense laser light and special buffers. The high illumination power or UV light required for appropriate blinking kinetics is currently hindering live-cell experiments. Recently, so-called self-blinking dyes that switch spontaneously between an open, fluorescent on-state and a closed colorless off-state were introduced. Here we exploit the synergy between super-resolution optical fluctuation imaging (SOFI) and spontaneously switching fluorophores for 2D functional and for volumetric imaging. SOFI tolerates high labeling densities, on-time ratios, and low signal-to-noise by analyzing higher-order statistics of a few hundred to thousand frames of stochastically blinking fluorophores. We demonstrate 2D imaging of fixed cells with a uniform resolution up to 50-60 nm in 6th order SOFI and characterize changing experimental conditions. We extend multiplane cross-correlation analysis to 4th order using biplane and 8-plane volumetric imaging achieving up to 29 (virtual) planes. The low laser excitation intensities needed for self-blinking SOFI are ideal for live-cell imaging. We show proof-of-principal time-resolved imaging by observing slow membrane movements in cells. Self-blinking SOFI provides a route for easy-to-use 2D and 3D high-resolution functional imaging that is robust against artefacts and suitable for live-cell imaging." @default.
- W4287864861 created "2022-07-26" @default.
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- W4287864861 date "2020-02-24" @default.
- W4287864861 modified "2023-09-29" @default.
- W4287864861 title "Self-blinking Dyes unlock High-order and Multi-plane Super-resolution Optical Fluctuation Imaging" @default.
- W4287864861 doi "https://doi.org/10.48550/arxiv.2002.10224" @default.
- W4287864861 hasPublicationYear "2020" @default.
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