Table 1 The 15 nm AuNP seeds volume needed for syntheses of AuNP with a range of sizes, the amount of ligand needed to stabilize AuNP, and centrifugation parameters for particle washing.

From: Effect of Gold Nanoparticle Size on Their Properties as Contrast Agents for Computed Tomography

AuNP size (nm)

Seed volume (μL)

Mass m-PEG (mg)

Centrifugation speed (rcf)

Centrifuge tube

4

N/A

12.61

2500

10 kDa molecular weight cut off (MWCO) tubes

15

N/A

4.20

2500

10 kDa molecular weight cut off (MWCO) tubes

50

3000

2.18

3200

50 mL falcon tubes

79

750

1.41

1450

50 mL falcon tubes

100

300

1.05

750

50 mL falcon tubes

152

100

0.70

350

50 mL falcon tubes