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Updated: May 15, 2026

BioMEMS and Cellular Biology: Perspectives and Applications
16:30

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Published on: October 1, 2007

CEST: from basic principles to applications, challenges and opportunities.

Elena Vinogradov1, A Dean Sherry, Robert E Lenkinski

  • 1Department of Radiology and Advanced Imaging Research Center, University of Texas Southwestern Medical Center, Dallas, TX, USA. elena.vinogradov@utsouthwestern.edu

Journal of Magnetic Resonance (San Diego, Calif. : 1997)
|January 1, 2013
PubMed
Summary
This summary is machine-generated.

Chemical Exchange Saturation Transfer (CEST) provides molecule-specific MRI contrast by transferring saturated spins to water. This review explores CEST principles, agents, and emerging clinical applications.

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Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Biophysical Chemistry

Background:

  • Chemical Exchange Saturation Transfer (CEST) is a novel MRI contrast technique.
  • It relies on selective saturation of specific molecules and spin transfer to bulk water.

Purpose of the Study:

  • To review the fundamental principles of CEST experiments.
  • To discuss various endogenous and exogenous CEST agents.
  • To explore emerging clinical applications and translational challenges.

Main Methods:

  • Selective saturation of NMR-active nuclei (e.g., protons) with distinct chemical shifts.
  • Transfer of saturated spins to bulk water via chemical exchange.
  • Development of exchange-sensitive detection schemes for quantitative CEST.

Main Results:

  • Demonstrated diverse CEST agents: small molecules, paramagnetic complexes, macromolecules, dendrimers, and liposomes.
  • Highlighted similarities to established saturation transfer experiments.
  • Identified emerging clinical applications of CEST imaging.

Conclusions:

  • CEST offers a versatile platform for molecule-specific MRI.
  • Further development is needed to overcome challenges in clinical translation.
  • CEST holds significant promise for advancing medical diagnostics.