Table 1 Elemental analysis from RBS.

From: Functionalized Graphene Oxide with Chitosan for Protein Nanocarriers to Protect against Enzymatic Cleavage and Retain Collagenase Activity

Element→

Compound ↓

C%

O%

N%

O/C ratio

CS

48

35

17

0.73

GO

65

35

—

0.54

GO-CS

55

26

19

0.47

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