Figure 2.
Exemplification of our system: N d = 6 donor liposomes (dark shaded) and N a = 9 acceptor liposomes (light shaded) reside in an aqueous space of volume V; each liposome can carry at most m = 3 drug molecules (black bullets). For the displayed hypothetical snapshot (taken at a certain time t), the distribution function of drug molecules among the donor liposomes is d 0 = 1, d 1 = 2, d 2 = 2, d 3 = 1, leading to a total of M d = ∑j=0 m jd j = 9 drug molecules residing in donor liposomes. Analogously for the acceptor liposomes, the distribution function is a 0 = 5, a 1 = 3, a 2 = 1, a 3 = 0, implying M a = ∑j=0 m ja j = 5.