Figure 3

Set of ESEM images of the HA side of samples HA-Ox _2.1 -HA-Ox _2.4 and HA-Ml _2.1 -HA-Ml _2.4 after the pore opening and widening stages (scale bar = 500 nm). (a) HA-Ox_2.1 (t _PW  = 0 min). (b) HA-Ox_2.2 (t _PW  = 15 min). (c) HA-Ox_2.3 (t _PW  = 30 min). (d) HA-Ox_2.4 (t _PW  = 45 min). (e) HA-Ml_2.1 (t _PW  = 0 min). (f) HA-Ml_2.2 (t _PW  = 5 min). (g) HA-Ml_2.3 (t _PW  = 10 min). (h) HA-Ml_2.4 (t _PW  = 15 min).