Table 1. Contributions of Various Nonfouling Mechanisms in 2- and 3-D Zwitterionic, ZW, and EG Coatingsa.
monolayer ZWb | brush polyZW | monolayer EG | brush polyEGc | |
---|---|---|---|---|
excluded volume | x | √ | x | √ |
surface energy | √ | √ | x | √ |
ion coupled adsorption | √ | √ | √ | √ |
water structuring | √ | √ | √ | √ |
steric ion coupled effects | √ | √ | √ | √ |
surface mobility | x | √ | x | √ |
salt resistance | √ | √ | x | x |
x = little or no contribution, √ = favorable contribution.
ZW = zwitterion.
Includes oligo EG.