Dendrimer-based drug delivery systems: history, challenges, and latest developments

Table 1 Several commonly recognized dendrimers

Dendrimer Type	Cascade	PAMAM	PPI	Polylysine	Polyester	Phosphorus
First Reported	Vögtle et al. in 1978 [2]	Tomalia et al. in 1985 [3]	Meijer et al. in 1993 [12]	Denkewalter et al. in 1981 [13]	Frechet et al. in 2002 [14]	Majoral et al. in 1994 [15]
Typical Chemical Structure

ISSN: 1754-1611