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Related Concept Videos

Three-Dimensional Microscopy in Microbiology01:28

Three-Dimensional Microscopy in Microbiology

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Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...
604

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Related Experiment Video

Updated: Dec 3, 2025

Three-dimensional Super Resolution Microscopy of F-actin Filaments by Interferometric PhotoActivated Localization Microscopy iPALM
11:57

Three-dimensional Super Resolution Microscopy of F-actin Filaments by Interferometric PhotoActivated Localization Microscopy iPALM

Published on: December 1, 2016

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Three dimensional drift control at nano-scale in single molecule localization microscopy.

Xiaoming Fan, Thomas Gensch, Georg Büldt

    Optics Express
    |October 29, 2020
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a novel method for super-resolution microscopy drift correction using intrinsic cellular features. This approach enhances imaging precision without artificial markers, improving the quality of nanoscale cellular structure visualization.

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    Related Experiment Videos

    Last Updated: Dec 3, 2025

    Three-dimensional Super Resolution Microscopy of F-actin Filaments by Interferometric PhotoActivated Localization Microscopy iPALM
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    Sample Drift Correction Following 4D Confocal Time-lapse Imaging
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    Area of Science:

    • Biophysics
    • Cell Biology
    • Microscopy

    Background:

    • Super-resolution imaging requires long recording times, leading to sample drift and reduced precision.
    • Traditional drift compensation methods rely on external markers, which can introduce artifacts or photobleaching.

    Purpose of the Study:

    • To develop a drift-correction method for super-resolution microscopy that utilizes intrinsic morphological features of mammalian cells.
    • To achieve high localization precision without the need for artificial fiducial markers.

    Main Methods:

    • Utilized morphological features of mammalian cells as endogenous reference markers for drift compensation.
    • Applied single molecule localization microscopy (SMLM) to image F-actin in fixed A549 cells.

    Main Results:

    • Achieved sub-nanometer localization precision (<1.0 nm lateral, <6.0 nm axial).
    • Demonstrated comparable precision to methods using artificial markers.
    • Eliminated the need for complex hardware, extra labeling, or exogenous markers.
    • Avoided precision decrease due to photobleaching of artificial markers.

    Conclusions:

    • Intrinsic cellular morphology provides an effective and marker-free approach for drift correction in super-resolution microscopy.
    • This method enhances imaging quality and resolution in nanoscale cellular imaging.
    • The technique offers a simplified and robust solution for precise cellular structure visualization.