The Role of pH in PEG-b-PAAc Modification of Gadolinium Oxide Nanostructures for Biomedical Applications

Table 1

Mass loss (Δ𝑚₂) and grafting rate (Δ𝑚₂/residual mass) determined by TG-DTA for PEG-b-PAAc modified ParticlesHP-CTAB and Rods5 as a function of the modification pH.

pH	Δ𝑚2 [%]		Residual mass [%]		Grafting rate
	Particles	Rods	Particles	Rods	Particles	Rods
3.7	22	33	72	49	0.31	0.67
5.0	21	14	72	77	0.29	0.18
6.5	14	14	82	82	0.17	0.17
8.0	7	8	90	89	0.08	0.09