Table 2. DLS characterization of LNO@TCO-CM-Clb, LNO@TCO-CM-ELA, LNO@TCO-CM-Clb-Cy5Apt and LNO@TCO-CM-ELA-Cy5Apt. Results refer to one representative functionalization (N = 1), with three technical replicates per condition (n = 3).

NPs	Hydrodynamic diametera (nm)	PDIa	Zeta potential, pH 7.4a (mV)	Zeta potential, pH 3.0b (mV)
LNO@TriTz	116.9 ± 3.2	0.20	−34.8 ± 0.8	−6.2 ± 0.2
LNO@TCO-CM-Clb	512.5 ± 21.5	0.27	−34.2 ± 0.7	−18.8 ± 0.2
LNO@TCO-CM-ELA	578.1 ± 21.6	0.30	−34.7 ± 1.5	−11.7 ± 1.5
LNO@TCO-CM-Clb-Cy5Apt	82.1 ± 21.9	0.32	−30.1 ± 2.5	−21.8 ± 0.4
LNO@TCO-CM-ELA-Cy5Apt	88.3 ± 7.8	0.37	−35.5 ± 1.1	−19.3 ± 0.1

^aPBS 0.1× pH 7.4.

^bPBS 0.1× pH 3.0.