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. 2023 Apr 27;13(9):1489. doi: 10.3390/nano13091489

Figure 4.

Figure 4

Mechanism of periodate oxidation of cyclic 2,3-dialdehyde (a) [6]; TEM images of DANC produced by periodate oxidation for 42 h (b) and 84 h (c) [67]; AFM image of dialcohol NC (d) and SEM images of the fabricated films (e) [68]; AFM image of 2,3-dicarboxylic acid cellulose (f) and SEM images of the fabricated film (g) [69,70]; TEM image of sulfonated cellulose (h) and AFM images of the fabricated cellulose nanosphere (i) [71]; TEM image of amidated cellulose (j) and SEM image of the fabricated hydrogel (k) [72,73].