From: Nanosheet composed of gold nanoparticle/graphene/epoxy resin based on ultrasonic fabrication for flexible dopamine biosensor using surface-enhanced Raman spectroscopy
Sample
EPR (weight, g)
G loading  %, (weight, g)
Pure EPR
(2Â g)
–
GNS/EPR1
(1.96)
3%, (0.06)
GNS/EPR2
(1.90)
5%, (0.10)
GNS/EPR3
(1.80)
10%, (0.20)
GNS/EPR4
(1.70)
15%, (0.30)
GNS/EPR5
(1.60)
20%, (0.40)