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Related Concept Videos

Applications of IR Spectroscopy: Overview01:11

Applications of IR Spectroscopy: Overview

The non-destructive nature and ability to provide valuable chemical information make IR spectroscopy a versatile technique with broad applications in various scientific and industrial fields. IR spectroscopy is commonly used to identify and characterize organic and inorganic compounds. It provides information about the functional groups present in a molecule and the bonding between atoms. This helps in the structural elucidation of compounds during organic synthesis, pharmaceutical research,...
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...
Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
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...
Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and the...
IR Spectroscopy: Molecular Vibration Overview01:24

IR Spectroscopy: Molecular Vibration Overview

When Infrared (IR) radiation passes through a covalently bonded molecule, the bonds transition from lower to higher vibrational levels. The fundamental vibrational motions that result in infrared absorption can be classified as stretching or bending vibrations.
Stretching vibrations are vibrational motions that occur along the bond line, changing the bond length or distance between two bonded atoms. They are further distinguished as symmetric or asymmetric. In symmetric stretching, the...

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Related Experiment Video

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Correlative Optical Spectroscopy and Mass Spectrometry Imaging Methodology to Visualise Drug Distribution in a Soft Tissue Section
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Correlative Optical Spectroscopy and Mass Spectrometry Imaging Methodology to Visualise Drug Distribution in a Soft Tissue Section

Published on: June 20, 2025

MR spectroscopic imaging: principles and recent advances.

Stefan Posse1, Ricardo Otazo, Stephen R Dager

  • 1Department of Neurology, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA. sposse@unm.edu

Journal of Magnetic Resonance Imaging : JMRI
|November 29, 2012
PubMed
Summary
This summary is machine-generated.

Magnetic Resonance Spectroscopic Imaging (MRSI) quantifies metabolic abnormalities in organs like the brain and prostate for cancer assessment. Advances in MRSI techniques promise enhanced clinical utility and broader applications in medical diagnostics.

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Multimodal Optical Imaging Platform for Studying Cellular Metabolism
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Multimodal Optical Imaging Platform for Studying Cellular Metabolism

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Correlative Optical Spectroscopy and Mass Spectrometry Imaging Methodology to Visualise Drug Distribution in a Soft Tissue Section
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Correlative Optical Spectroscopy and Mass Spectrometry Imaging Methodology to Visualise Drug Distribution in a Soft Tissue Section

Published on: June 20, 2025

Multimodal Optical Imaging Platform for Studying Cellular Metabolism
04:47

Multimodal Optical Imaging Platform for Studying Cellular Metabolism

Published on: June 6, 2025

Area of Science:

  • Biomedical Imaging
  • Metabolic Imaging
  • Medical Physics

Background:

  • MR Spectroscopic Imaging (MRSI) is crucial for quantifying metabolic abnormalities in human organs, including brain, prostate, and breast.
  • It plays a significant role in routine clinical imaging, especially for cancer assessment, and in clinical research.

Purpose of the Study:

  • To describe the fundamental principles of MRSI data acquisition and analysis.
  • To evaluate the impact of MRSI methods on clinical applications.
  • To highlight technical advancements and their potential to improve MRSI utility.

Main Methods:

  • Review of conventional MRSI data acquisition and analysis techniques.
  • Discussion of technical advances, including parallel imaging and high-speed MRSI.
  • Focus on (1)H-MRSI, with principles applicable to other MR-compatible nuclei.

Main Results:

  • MRSI is a valuable tool for metabolic quantification in various organs.
  • Technical advances like parallel imaging and high-speed MRSI offer viable alternatives to conventional methods.
  • The review provides a framework for assessing current MRSI clinical utility.

Conclusions:

  • Future MRSI development will likely involve ultra-high field MRI, novel hyperpolarized agents, and ultra-fast techniques.
  • These advancements are expected to increase sensitivity and specificity for probing tissue metabolism.
  • Continued technical development is anticipated to drive increased clinical adoption of MRSI.