. 2021 Apr 14;37(16):4943–4952. doi: 10.1021/acs.langmuir.1c00271

Table 1. Summary of Brush Heights Obtained by Different Methods.

method	PEG brush	after PMAA binding	after raising pH	comments
SPR exclusion height	40 nm	28 nm	40 nm	similar to previously reported value (38 nm) with protein probes⁴
QCMD Sauerbrey (third overtone)	45 nm	40 nm	44 nm	assumes rigid film
QCMD Voight	64 nm	43 nm	62 nm	fully models viscoelastic properties
SFA	44 nm	42 nm	43 nm	by fitting to de Gennes model
AFM	42 nm	not measured	not measured	from previous report⁴