Figure 1. Preparation process (a) and reaction mechanism (b) for CMTXG.

Figure 2. Effects of NaOH (a), SCA (b), time (c), and temperature (d) on carboxymethylation. The effects of DS on particle size (e) and zeta potential (f) of CMTXG. The dissolution state (g), solubility (h) of TXG and CMTXG.

Figure 3. Structural characterization of the samples. The FTIR (a), XRD (b), 1H NMR (c), 13C NMR (d), TG (e), and DTG (f) of CMTXG.

Figure 4. Apparent viscosity of CMTXG solution at the same condition (a), different temperature (b), and pH (c). The apparent viscosity of mixtures of CMT-M with ethanol (d), galactomannan (e), and SH (f).

Figure 5. Hygroscopic rate of samples at RH = 50% (a), 80% (b), and the moisturizing rate in silica gel (c). The schematic diagram of postulated extrinsic skin moisturizing mechanism of CMTXG (d). The light transmittance (e) and free radical scavenging (f,g) of CMTXG. The antibacterial effect of CMT-M on E. coli at different time (h).

Figure 6. (a) Heart rate of CMT-M exposed zebrafish larvae at 30 hpf. (b) Hatching rate of 48 hpf larvae zebrafish exposed to CMT-M. Survival rate of zebrafish embryos exposed to TXG (c) and CMT-M (d) from 0 to 96 hpf. The CMT-M skin cream design display (e) and moisturizing performance (f).

Acknowledgments
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