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Table 1 Comparison between theoretical and experimental (XPS) percentages for C, O, N and S atoms, for the surface after both functionalization steps (Au_MUA-EstC-NH 2 )

From: Surface functionalization by covalent immobilization of an innovative carvacrol derivative to avoid fungal biofilm formation

Atomic percentages

C

O

N

S

Theoretical

75.6%

13.3%

8.9%

2.2%

Experimental

81.0%

13.4%

4.3%

1.3%