Table 1 Physicochemical properties of pristine and biotransformed GO materials

From: The biotransformation of graphene oxide in lung fluids significantly alters its inherent properties and bioactivities toward immune cells

 

Ca (wt%)

    

GO/transformed GOb

Aromatic rings

Epoxy/hydroxyl

Carbonyl

Carboxyl

Total Ca (wt%)

Total Oa (wt%)

C/O ratio

ID/IG

Pristine GO

24.62

33.88

6.02

5.69

70.23

29.03

2.41

0.62

Gamble-GO

29.04

28.61

1.92

8.70

68.27

28.07

2.43

0.85

ALF-GO

22.88

26.19

–

25.91

74.98

23.58

3.18

0.84

  1. a Analyzed with X-ray photoelectron spectroscopy
  2. b Pristine GO represents untreated GO; Gamble-GO and ALF-GO represent GOs treated with one of the two simulated human lung fluids, Gamble’s solution, and artificial lysosomal fluid (ALF)
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