Related Experiment Video
Updated: May 10, 2026

Glutamine Flux Imaging Using Genetically Encoded Sensors
Published on: July 31, 2014
Sweet optimization: glucose-vitrified samples for hyperpolarizing glutamine in biological studies
Léa Gutierrez1, Karen Dos Santos2,3, Mehdi Soussi-Therond1,4
1Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, Université Paris Cité, 45 rue des Saints Pères, 75006 Paris, France. nicolas.giraud@u-paris.fr.
Abstract:
This work describes the development of a versatile formulation using glucose as a vitrification agent in dynamic nuclear polarization. Significantly high polarization levels are achieved through optimization of a sample formulation, using sodium acetate and glutamine as targets. The best optimized formulation allowed precise monitoring of the enzymatic conversion of glutamine to glutamate, paving the way for advances in cellular metabolism applications.

