Characterization and Biocompatibility of Chitosan Gels with Silver and Gold Nanoparticles
Table 2
TGA and DSC results of all the synthesized gels.
Label
Exothermic peak (°C)
First weight loss (%)*
Second weight loss (%)**
Residues (%)†
Ag1Ch3.5
116.88
93.01 (40–200)
4.55
0.475
Ag05Ch3.5
125.94
89.19 (50–175)
8.71
1.504
Ag02Ch3.5
112.50
93.37 (30–147)
2.948
1.569
Ag1Ch1.7
123.50
95.50 (30–200)
1.386
2.338
Ag1Ch.875
122.40
96.88 (30–200)
1.511
0.55
Au02Ch3.5
144.81
78.20 (30–200)
12.06
7.82
Au01Ch3.5
133.63
86.34 (30–200)
6.54
5.904
Au005Ch3.5
112.50
93 (30–200)
4.90
0.542
Au02Ch1.7
123.23
95.50 (30–200)
1.38
0.77
Au02Ch.875
132.57
91.85 (30–200)
5.52
0.569
Ch2
136.92
63.38 (30–200)
26.25
8.07
Ch4
109
81.26 (30–200)
2.27
15.46
Ch6
112.23
89.50 (30–200)
6.279
1.91
Ch-gallic acid
103.18
93.39 (20–200)
2.76
0.92
The temperature range at which this loss occurred is indicated for each sample; **the temperature range considered for this loss is 200–575°C; †these values were obtained at 950°C.
