Table 3. Characterization of the polymer coated nanoparticles.

Particle a	SPRmax [nm]	d DLS b [nm]	Cloud point c [°C]
Bare Au 15 nm	520	18	—
PNIPAM25@Au15	524	24	—
PNIPAM50@Au15	524	32	74
PNIPAM100@Au15	525	37	55
Bare Au 40 nm	526	42	—
PNIPAM25@Au40	530	50	—
PNIPAM50@Au40	531	56	80
PNIPAM100@Au40	531	61	60

^a X@Au _m : X = polymer coating used; m = diameter of gold nanoparticle.

^b d _DLS(nm): Z-average diameter as determined by DLS.

^c Measured in PBS upon heating from 25 °C to 85 °C, 0.029 mg mL^–1 total gold concentration.