Fig. 3

The Viscosity, (\(\:\eta\) (mPa s−1)), of gabapentin in the presence of various concentrations of aqueous betaine: (▪); 0.05, (●); 0.03, (▲); 0.01 mol·kg−1 at a temperature of 298 K.

The Viscosity, (\(\:\eta\) (mPa s−1)), of gabapentin in the presence of various concentrations of aqueous betaine: (▪); 0.05, (●); 0.03, (▲); 0.01 mol·kg−1 at a temperature of 298 K.