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Related Concept Videos

Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.
Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

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Related Experiment Video

Updated: May 26, 2026

Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization
05:54

Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization

Published on: September 8, 2023

Polarization-engineered aberration-resilient light sheet microscopy.

Yuqing Qiu1,2, Juncheng Zhang1,2, Christopher R Warren1

  • 1Department of Electrical and Computer Engineering, Princeton University, Princeton, NJ, 08544, USA.

Biorxiv : the Preprint Server for Biology
|May 25, 2026
PubMed
Summary
This summary is machine-generated.

We developed polarization-engineered aberration-resilient light sheet (PEARLS) microscopy for clearer 3D imaging. PEARLS overcomes limitations of existing light sheets, enabling detailed observation of subcellular dynamics in complex biological samples.

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Single Plane Illumination Module and Micro-capillary Approach for a Wide-field Microscope
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Single Plane Illumination Module and Micro-capillary Approach for a Wide-field Microscope

Published on: August 15, 2014

Related Experiment Videos

Last Updated: May 26, 2026

Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization
05:54

Polarization-Sensitive Two-Photon Microscopy for a Label-Free Amyloid Structural Characterization

Published on: September 8, 2023

Single Plane Illumination Module and Micro-capillary Approach for a Wide-field Microscope
08:53

Single Plane Illumination Module and Micro-capillary Approach for a Wide-field Microscope

Published on: August 15, 2014

Area of Science:

  • Biophysics
  • Microscopy
  • Cell Biology

Background:

  • Light sheet fluorescence microscopy is crucial for high-speed 3D bioimaging.
  • Diffraction limits Gaussian light sheets, while nondiffracting variants like Bessel beams struggle with aberrations at depth.
  • Adaptive optics solutions are complex and slow, hindering real-time aberration correction.

Purpose of the Study:

  • To introduce a new class of nondiffracting light sheet microscopy called PEARLS.
  • To demonstrate PEARLS's robustness to optical aberrations and reduced photobleaching.
  • To enable high-resolution 3D imaging of subcellular dynamics in optically challenging environments.

Main Methods:

  • Development of polarization-engineered aberration-resilient light sheet (PEARLS) microscopy.
  • Characterization of PEARLS's temporal invariance and aberration resilience.
  • Application of PEARLS for imaging in various living systems, including cultured cells and developing embryos.

Main Results:

  • PEARLS exhibits a temporally invariant profile and superior robustness to optical aberrations compared to existing light sheets.
  • Significantly reduced photobleaching was observed with PEARLS.
  • Enabled high-resolution 3D imaging of subcellular dynamics in optically complex environments.

Conclusions:

  • PEARLS offers a powerful new tool for noninvasive, high-resolution 3D imaging in bioimaging.
  • The technology facilitates the observation of biological dynamics across diverse spatial and temporal scales.
  • PEARLS reveals phenotypic diversity in cellular processes like mitosis and cell migration.