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Related Concept Videos

Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
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The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...
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The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
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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...
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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...
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Related Experiment Video

Updated: Mar 19, 2026

Combining 3D Magnetic Force Actuator and Multi-Functional Fluorescence Imaging to Study Nucleus Mechanobiology
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Atomic force microscopy combined with optical microscopy for cells investigation.

Mariafrancesca Cascione1,2, Valeria de Matteis1, Rosaria Rinaldi1,2

  • 1Dipartimento di Matematica e Fisica "Ennio De Giorgi", Università del Salento Via Monteroni, 73100, Lecce, Italy.

Microscopy Research and Technique
|June 22, 2016
PubMed
Summary

Combining atomic force microscopy (AFM) with optical microscopy reveals detailed cell surface and mechanical properties. This hybrid approach offers insights into cellular mechanotransduction and biological pathways at the nanoscale.

Keywords:
atomic force microscopycellsconfocal laser scanning microscopyfluorescence microscopytotal internal reflection fluorescence microscopy

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Live Cell Response to Mechanical Stimulation Studied by Integrated Optical and Atomic Force Microscopy
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Area of Science:

  • Cell Biology
  • Biophysics
  • Microscopy

Background:

  • Investigating cellular mechanisms requires advanced imaging techniques.
  • Understanding cell surface topography and mechanical properties is crucial for biological insights.

Purpose of the Study:

  • To review the combined use of atomic force microscopy (AFM) and optical microscopy.
  • To highlight the capabilities of hybrid AFM-optical systems for cell investigation.

Main Methods:

  • Atomic Force Microscopy (AFM)
  • Optical microscopy (fluorescence, laser scanning)
  • Hybrid AFM-optical microscopy systems

Main Results:

  • Hybrid systems enable detailed study of cell surface topography.
  • Mechanical properties like Young's modulus can be precisely measured.
  • Mechanotransduction phenomena and biological pathways are elucidated.

Conclusions:

  • Combined AFM and optical microscopy provide comprehensive cellular analysis.
  • These hybrid techniques offer deep insights into the nanoworld of cells.