Comparison of Behaviour in Different Liquids and in Cells of Gold Nanorods and Spherical Nanoparticles Modified by Linear Polyethyleneimine and Bovine Serum Albumin
Table 1
Electron microscopic characterisation of the dispersity of GNPs in different liquids.
NPs/medium
Aqueous solution
Phosphate buffer
10% FBS in water
DMEM with 10% FBS
Conditioned DMEM
Citrate-sGNPs
Individual NPs
n.d.***
n.d.
Agglomerates**
Aggregates*
BSA-sGNPs
Individual NPs
Agglomerates
Individual NPs
Individual NPs
Individual NPs
PEI-sGNPs
Individual NPs
Aggregates
Individual NPs
Individual NPs
Individual NPs
CTAB-GNRs
Individual NPs
n.d.
n.d.
Individual NPs
Individual NPs
BSA-GNRs
Aggregates
Aggregates
Agglomerates
Individual NPs
Agglomerates
PEI-GNRs
Agglomerates
Aggregates
Individual NPs + agglomerates
Individual NPs + agglomerates
Individual NPs
Aggregates are clusters of NPs tightly adjacent to each other with invisible gaps between them.
**Agglomerates are loose clusters of NPs comprising more than 10 units with gaps of less than 2 nm between them, which can be seen by TEM.
***n.d.: not determined.