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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.
Imaging Biological Samples with Optical Microscopy01:18

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
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Confocal Fluorescence Microscopy

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Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
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A Guide to Build a Highly Inclined Swept Tile Microscope for Extended Field-of-view Single-molecule Imaging
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Long range microscope condensing system.

J G Hirschberg

    Applied Optics
    |June 22, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A new condensing system offers free space over specimens and supports high-power phase contrast microscopy. This innovation enhances imaging capabilities for scientific research.

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    Area of Science:

    • Microscopy
    • Optical Engineering

    Background:

    • Traditional microscopy setups often limit working distance.
    • High numerical aperture objectives, like phase contrast objectives, require close proximity to the specimen.

    Purpose of the Study:

    • To introduce a novel condensing system for microscopy.
    • To enable greater working space above the specimen.
    • To facilitate the use of high-power phase contrast objectives.

    Main Methods:

    • Development of a new condensing system design.
    • Integration of the system into standard microscopy platforms.
    • Testing with high-power phase contrast objectives.

    Main Results:

    • The system provides a free space of approximately 5-7 cm over the object.
    • Compatibility with high-power phase contrast objectives was confirmed.
    • No compromise in image quality was observed.

    Conclusions:

    • The novel condensing system overcomes limitations in working distance.
    • It expands the applicability of phase contrast microscopy.
    • This system is a valuable advancement for microscopy techniques.