monitoring cell trafficking

"The ability to noninvasively monitor cell trafficking in vivo in a longitudinal fashion is a pressing need for emerging cellular therapeutic strategies."

In vivo imaging platform for tracking immunotherapeutic cells, Eric T Ahrens1, Rafael Flores2, Hongyan Xu1 & Penelope A Morel2
Nature Biotechnology 23, 983 - 987 (2005)

In this article the monitoring of cells in mice is tracked by fluorine MRI using a fluorinated crown ether. Cells need to be tracked in immunotherapy.

"a pressing need" Google Scholar, 2005, chemistry