[Figure 3 - Aqueous fraction images containing reduced graphene oxide from Pfizer vaccine sample (left) and sonicated reduced graphene oxide (rGO) standard (right) (Sigma-777684). Optical pHase contrast microscopy, 600X magnification. In addition, the Muestra RD1, La Quinta Columna Report, June 28, 2021; Graphene Oxide Detection in Aqueous Suspension; Delgado Martin, Campra Madrid confirms our findings. https://cen.acs.org/articles/86/i4/Graphene-Ribbons.html and https://cen.acs.org/articles/86/i4/Graphene-Ribbons.html [4][73][74] [83]]
