Question

Rhodamine 123 as a probe of transmembrane potential in isolated rat liver mitochondria

Answer 1

The spectral and metabolic properties of Rhodamine 123, a fluorescent cationic dye used to label mitochondria in living cells, were investigated in suspensions of isolated rat-liver mitochondria. ... These energy-linked changes were accompanied by dye uptake into the matrix space.

Answer 2

Rhodamine 123 as a probe of transmembrane potential in isolated rat liver mitochondria