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Table 1 Summary of the physical and chemical properties of pG, GO, and rGO

From: Interaction of graphene family materials with Listeria monocytogenes and Salmonella enterica

 

pG

GO

rGO

Shape

Irregular, angular, single to a few layers

Film-like, rounded, single layers

Irregular, frayed, a few layers

Average size (μm)

1.86 ± 0.6

1.27 ± 0.1

2.53 ± 0.2

Zeta potential (mV)

−17.7 ± 4.3

−49.8 ± 1

−25.1 ± 2.6

Surface chemical bonds

C = C

O-H, C = C, C = O, C-O, C-H

C = O, C = C, C-O

  1. Shape was estimated upon analysis of scanning electron microscopy pictures. Zeta potential and average size were measured by Zetasizer. The content of chemical bonds was identified by Fourier transform infrared spectra analysis.

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