cP	centiPoise
cps	counts per second
Da	Dalton
DDAO	N,N-dimethyldodecylamine N-oxide
DLS	dynamic light scattering
EDS	energy dispersive X-ray spectroscopy
MW	molecular weight
NG	nitrogen-doped graphene
NPs	nanoparticles
PVP 10k	polyvinyl pyrrolydone with 10 kDa molecular weight
PVP 40k	polyvinyl pyrrolydone with 40 kDa molecular weight
PVP 750k	polyvinyl pyrrolydone with 750 kDa molecular weight
PTFE	polytetrafluoro ethylene
SDS	sodium dodecyl sulphate
SEM	scanning electron microscopy
TBAB	tetrabutylammonium bromide
TEM	transmission electron microscopy
UR	urea