“…77 experiments were assessed in the manuscripts reviewed. Calcium was associated with graphene in 30 experiments, 37,38,40,41,46,47,58–63,66,77,78,81–83,85,88,89,94–98,102,106,107,110 with 35 experiments presenting the association of graphene with Natural Polymers, 35,39,42–45,47,50–52,56,58,59,62–64,66–71,74,77,81,83,84,86–90,93,100,102,109 and 30 experiments presenting the association of Synthetic Polymers 31,37,48,49,53,54,57,61,65,68,72,73,75,76,79,…”