C.  Witte, Martos, V., Rose, H. May, Reinke, S., Klippel, S., Schröder, L., and Hackenberger, C. P., ?Live-cell MRI with Xenon Hyper-CEST Biosensors Targeted to Metabolically Labeled Cell-Surface Glycans?, vol. 54, pp. 2806-2810, 2015.