Keywords: Tumors, Deuterium, DMI, HP, Metabolism, Probes, Imaging agentA chemical synthesis of C-4 deuterated ascorbic acid as a potential new deuterium metabolic imaging marker for in vivo VitC metabolism. Additionally, we have developed new HP methods for Vit C as well as its oxidized analogue, DHA, to be used as a 13C HP MRS substrates. Furthermore, deuteration increases the 13C T1 of HP DHA and improved polarization from optimized HP formulations along with enhanced 13C T1 will result in better quantification of oxidative stress in vivo. The aim is to implement both DMI and HP MRS in brain tumor models to understand the anticancer activity of VitC.
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