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Table 3 The contact angle data of neat EPR, GNS/EPR1–5 nanocomposites and its Au NPs/GNS/EPR with water

From: Nanosheet composed of gold nanoparticle/graphene/epoxy resin based on ultrasonic fabrication for flexible dopamine biosensor using surface-enhanced Raman spectroscopy

SampleRight contact angle (°)Left contact angle (°)Average contact angle (°)
Pure EPR86.686.286.4
GNS/EPR186.491.889.1
GNS/EPR392.095.293.6
GNS/EPR497.597.597.5
GNS/EPR598.898.598.65
Au NPs/GNS/EPR84.184.284.15