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Related Concept Videos

Overview of Electron Microscopy01:25

Overview of Electron Microscopy

The wavelengths of visible light ultimately limit the maximum theoretical resolution of images created by light microscopes. Most light microscopes can only magnify 1000X, and a few can magnify up to 1500X. Electrons, like electromagnetic radiation, can behave like waves, but with wavelengths of 0.005 nm, they produce significantly greater resolution up to 0.05 nm as compared to 500 nm for visible light. An electron microscope (EM) can create a sharp image that is magnified up to 2,000,000X.
Two-Dimensional Microscopy in Microbiology01:29

Two-Dimensional Microscopy in Microbiology

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...
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.
Overview of Microscopy Techniques01:22

Overview of Microscopy Techniques

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...
Three-Dimensional Microscopy in Microbiology01:28

Three-Dimensional Microscopy in Microbiology

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...
Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...

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Multimodal Hierarchical Imaging of Serial Sections for Finding Specific Cellular Targets within Large Volumes
11:19

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Published on: March 20, 2018

MR microscopy of micron scale structures.

Seung-Cheol Lee1, Kiseong Kim, Junghyun Kim

  • 1Department of Physics, Korea Advanced Institute of Science and Technology, Yuseong-gu, Daejeon 305-701, South Korea.

Magnetic Resonance Imaging
|March 14, 2009
PubMed
Summary
This summary is machine-generated.

Magnetic resonance microscopy achieved 1-micrometer resolution, successfully imaging micron-scale structures for the first time. This advances high-resolution imaging capabilities for microscopic applications.

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Physics

Background:

  • Previous magnetic resonance (MR) microscopy achieved resolutions of 1-5 micrometers.
  • Prior studies imaged structures significantly larger (tens of microns) than the achieved resolution.

Purpose of the Study:

  • To demonstrate the capability of 1-micrometer resolution MR microscopy.
  • To image and resolve structures with widths in the few-micron range.

Main Methods:

  • Fabrication of micron-scale width structures on a silicon wafer.
  • Utilizing 1-micrometer resolution MR microscopy at 14.1 Tesla magnetic field strength.

Main Results:

  • Successfully imaged structures with few-micron widths.
  • Achieved 1-micrometer resolution MR microscopy, a first for resolving such fine structures.
  • Demonstrated MR microscopy's potential for imaging sub-10-micron features.

Conclusions:

  • 1-micrometer resolution MR microscopy can resolve micron-scale fabricated structures.
  • This technique opens new possibilities for high-resolution imaging in various scientific fields.
  • The study establishes a new benchmark for MR microscopy resolution and application.