Table 3: Quantitative analysis: number of GNPs of different sizes that are bound to a single cancer cell, total Au mass and the GNPs’ surface area per single cell.

GNP size
(nm)
Number of
GNP per cell
Au/cell
(ng)
Total surface area
(m2)

15540000.00186 3 . 8 × 1 0 1 1
30390000.01 1 . 1 × 1 0 1 0
90120000.124 3 . 0 5 × 1 0 1 0
15042000.145 2 . 9 × 1 0 1 0