Title: Katsuya Yamada, et al. A real-time method of imaging glucose uptake in single, living mammalian cells. Nat Protoc. 2007;2(3):753-62.
Title: Zou C, et al. 2-NBDG as a fluorescent indicator for direct glucose uptake measurement. J Biochem Biophys Methods. 2005 Sep 30;64(3):207-15.