Fig. 2.
Optical micrographs of microgels after swelling in deionized water: (a) HG-0, (b) HG-SMA50, (c) HG-SMA100 and (d) HG-SMA200.
Optical micrographs of microgels after swelling in deionized water: (a) HG-0, (b) HG-SMA50, (c) HG-SMA100 and (d) HG-SMA200.