. 2020 Nov 6;9:187–201. doi: 10.1007/s40204-020-00141-4

Table 1.

Elastic modulus of three different polyacrylamide gels assessed by AFM and compared to those obtained by AFM in Elosegui-Alberto et al. (2014) for the same formulations

	Acr 5.5%/Bis 0.03%	Acr 7.52%/Bis 0.16%	Acr 12.0%/Bis 0.15%
Number of data	300	300	300
Maximum value ( $E_{\max}$ ) (kPa)	3.41	23.01	37.34
Mean value ( $E_{m}$ ) ± SD (kPa)	1.24 ± 0.32	13.71 ± 1.39	27.14 ± 2.40
Peak modal value ( $\bar{E}$ ) (kPa)	1.10	13.18	27.24
Skewness	2.6	2.4	0.4
$\frac{E_{m} - \bar{E}}{E_{m}}$ (%)	11.3	3.9	− 0.4
Kernel size parameter (kPa)	0.05	0.63	0.88
Mean value ( $E_{m}^{EA}$ ) ± SD (kPa) (Elosegui-Artola et al.)	1.99 ± 0.13	13.69 ± 2.84	29.01 ± 6.18
$\frac{E_{m} - E_{m}^{AE}}{E_{m}}$ (%)	− 37.8	0.2	− 6.4