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Related Concept Videos

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview01:02

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Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material,  molecules absorb light depending on the energy required for...
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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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Overview of Microscopy Techniques01:22

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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 absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.
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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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Two-dimensional (2D) microscopy encompasses a range of optical techniques that capture images within a single focal plane, offering detailed representations of microscopic structures. These techniques are essential in biological and medical research, enabling the visualization of cellular and subcellular structures with different levels of contrast and specificity.There are several major types of 2D microscopy, each with strengths and applications.Bright-Field MicroscopyBright-field microscopy...
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Advances in ultraviolet microscopy.

Mollie McFarlane1, Gail McConnell2

  • 1Department of Physics, University of Strathclyde, 107 Rottenrow East, Glasgow, G4 0NG, United Kingdom.

Methods and Applications in Fluorescence
|August 5, 2025
PubMed
Summary
This summary is machine-generated.

Ultraviolet (UV) microscopy offers high-resolution imaging of biological samples without labels. Recent technological advancements are expanding its applications in life sciences, revealing its evolving potential.

Keywords:
contrastfluorescenceinstrumentationlabel-freemicroscopyresolutionultraviolet

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Area of Science:

  • Biomedical Imaging
  • Life Sciences
  • Microscopy

Background:

  • Ultraviolet (UV) microscopy utilizes shorter UV light wavelengths for high-resolution imaging.
  • It probes molecular-level chemical and structural properties of biological specimens.
  • UV microscopy often eliminates the need for extrinsic labeling.

Purpose of the Study:

  • Review the latest advances and trends in UV microscopy.
  • Highlight the evolving potential of UV microscopy in life sciences.
  • Consider the future of UV microscopy.

Main Methods:

  • Review of recent technological innovations in UV microscopy.
  • Examination of applications in histology, cell biology, and hematology.
  • Analysis of developments in illuminators, detectors, and specimen preparation.

Main Results:

  • Innovations have improved understanding of complex biological systems.
  • UV microscopy demonstrates significant potential across various life science fields.
  • The technique is adaptable and shows promise for future applications.

Conclusions:

  • UV microscopy is a powerful, versatile imaging modality.
  • Technological progress continues to enhance its capabilities and applications.
  • The future of UV microscopy holds significant promise for biological and biomedical research.