Table 2. Nanofiber width from molecular models and AFM measurements.

Peptides	fiber width	AFM tip width)	(Peptide length w/size adjusted**)
a) RADA16	5.9 nm	12.1 nm	16.3±1.4 nm
b) ALK:	10.7 nm	16.9 nm	–
c) DGR:	10.0 nm	16.2 nm	–
d) PRG:	10.3 nm	16.5 nm	–
e) ALK+RADA16	15.5 nm*	21.7 nm	35.5±2.9 nm
f) DGR+RADA16	14.1 nm*	20.3 nm	26.6±2.4 nm
g) PRG+RADA16	14.7 nm*	20.9 nm	29.5±3.1 nm

^* according to the molecular model proposed in Fig. 1

^**based on the estimation W_adj = W_idth+2(2R_tH-H²)^1/2, Rt = AFM tip size (∼10 nm), H: sample height (∼0.5 nm) [20]