Table 1.
Elemental analysis and XPS elemental analysis data of the investigated substances.
| Elements | Methods | Substances | |||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
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| ES | EB | ES/buffer | EB/buffer | ES-GA | EB-GA | ES-GA-peptide | EB-GA-peptide | ||
| %C | EA | 60.15 | 75.00 | 68.78 | 73.33 | 67.49 | 68.89 | 62.99 | 63.81 |
| XPS | 61.00 | 78.00 | 81.00 | 82.62 | 70.13 | 78.6 | 75.28 | 74.25 | |
| %H | EA | 5.05 | 5.12 | 4.95 | 5.20 | 5.47 | 5.28 | 5.27 | 5.40 |
| XPS | – | – | – | – | – | – | – | – | |
| %N | EA | 11.80 | 15.09 | 12.93 | 13.38 | 9.98 | 10.60 | 11.24 | 11.22 |
| XPS | 10.32 | 12.00 | 12.70 | 13.49 | 11.06 | 10.98 | 11.78 | 8.32 | |
| %O | EA | 6.94 | 2.43 | 5.76 | 2.70 | 11.28 | 9.20 | 15.14 | 14.43 |
| XPS | 8.50 | 3.35 | 5.13 | 3.88 | 13.01 | 9.04 | 14.79 | 14.19 | |
| %Cl | EA | – | – | <3 | 0.19 | – | – | – | – |
| XPS | 8.32 | – | 0.63 | – | – | – | – | – | |