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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,...
Total Internal Reflection Fluorescence Microscopy01:05

Total Internal Reflection Fluorescence Microscopy

Total internal reflection fluorescence microscopy or TIRF is an advanced microscopic technique used to visualize fluorophores in samples close to a solid surface with a higher refractive index, such as a glass coverslip. TIRF only allows fluorophores in proximity to the solid surface to be excited. When light from a medium with a lower refractive index (such as air) hits the glass coverslip at a critical angle, the light undergoes total internal reflection stead of passing through the glass.

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Related Experiment Video

Updated: May 17, 2026

Conducting Multiple Imaging Modes with One Fluorescence Microscope
08:32

Conducting Multiple Imaging Modes with One Fluorescence Microscope

Published on: October 28, 2018

Super-resolution fluorescence imaging with blink microscopy.

Christian Steinhauer1, Michelle S Itano, Philip Tinnefeld

  • 1Institut für Physikalische und Theoretische Chemie-NanoBioScience, Braunschweig University of Technology, Braunschweig, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|October 23, 2012
PubMed
Summary
This summary is machine-generated.

Blink Microscopy utilizes reversible dark states for super-resolution imaging by localizing single fluorescent molecules sequentially. This advanced technique enables high-resolution visualization of cellular structures using a single laser and various dyes, even in living cells.

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Last Updated: May 17, 2026

Conducting Multiple Imaging Modes with One Fluorescence Microscope
08:32

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Published on: October 28, 2018

Super-resolution Imaging of the Bacterial Division Machinery
08:47

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Published on: January 21, 2013

Super-Resolution Imaging and Shared Management: A Protocol for Confocal Microscopy with Multiplex Detection
07:42

Super-Resolution Imaging and Shared Management: A Protocol for Confocal Microscopy with Multiplex Detection

Published on: February 24, 2026

Area of Science:

  • Biophysics
  • Microscopy
  • Cell Biology

Background:

  • Super-resolution microscopy relies on localizing individual fluorescent molecules.
  • Existing methods often require complex setups or specific labeling strategies.
  • A need exists for versatile and simplified super-resolution techniques.

Purpose of the Study:

  • To introduce a novel super-resolution microscopy method called Blink Microscopy.
  • To demonstrate the use of reversible, generic dark states for molecular localization.
  • To provide a practical, step-by-step procedure for implementing Blink Microscopy.

Main Methods:

  • Utilizing reversible, generic dark states (e.g., radical ion states) to control fluorescence.
  • Sequential localization of single, fluorescing molecules on a camera.
  • Reconstruction of super-resolved images from localized molecule data.
  • Employing a single laser source and compatibility with various fluorescent dyes.

Main Results:

  • Demonstrated a super-resolution imaging technique using reversible dark states.
  • Showcased the method's applicability with multiple fluorescent dyes.
  • Confirmed the feasibility of Blink Microscopy in living cells.
  • Provided a detailed protocol for the Blink Microscopy method.

Conclusions:

  • Blink Microscopy offers a simplified and versatile approach to super-resolution imaging.
  • The method's reliance on generic dark states broadens its applicability.
  • This technique holds potential for advanced live-cell imaging and structural biology studies.