Patent ID: 8569482

Claim:
A method of monitoring cells, comprising: administering to a subject at least one cell selected from the group consisting of a progenitor cell, mesenchymal cell, myoblast cell, islet cell, and combinations thereof, wherein the at least one cell has at least one probe internalized therein; said at least one probe comprising a compound or a radical thereof of the formula: wherein R is selected from the group consisting of O(CH 2 ) n CH 3 , S(CH 2 ) n CH 3 , O(CH 2 ) n CH 2 OH, O(CH 2 )CH 2 NH 2 , O(CH 2 ) n CH 2 SH, and combinations thereof, wherein n is any one of 1-6, and applying a magnetic resonance technique such that the at least one probe is monitored.