Table A8.

Concentration of gold nanoparticles measured by differential centrifugal sedimentation (DCS).

Name	${\mathit{d}}_{\mathit{DLS}}/\mathbf{nm}$	${\mathit{u}}_{\mathit{DLS}}/\mathbf{nm}$	${\mathit{C}}_{\mathit{DCS}}/\mathbf{g}·{\mathbf{cm}}^{-3}$	${\mathit{\sigma }}_{\mathit{C}}\left(\mathit{DCS}\right)/\%$
Au 5 nm citrate	$13$		$3.68·{10}^{13}$	$>30$
Au 10 nm citrate	$14.78$	$0.25$	$8.42·{10}^{12}$
Au 30 nm citrate	$37.68$	$0.064$	$1.61·{10}^{11}$
Au 100 nm citrate	$110.0$	$1.0$	$2.08·{10}^9$
Au 250 nm citrate	$259.1$	$4.4$	$1.24·{10}^8$
Au 500 nm citrate	$463.7$	$4.1$	$5.79·{10}^6$