Effect of pH and addition of salt on the adsorption behavior of lysozyme on gold, silica, and titania surfaces observed by quartz crystal microbalance with dissipation monitoring.

@article{Nezu2008EffectOP,
  title={Effect of pH and addition of salt on the adsorption behavior of lysozyme on gold, silica, and titania surfaces observed by quartz crystal microbalance with dissipation monitoring.},
  author={Takashi Nezu and Tomoyuki Masuyama and Kaori Sasaki and Setsuo Saitoh and Masayuki Taira and Yoshima Araki},
  journal={Dental materials journal},
  year={2008},
  volume={27 4},
  pages={
          573-80
        }
}
The adsorption behaviors of lysozyme on dentally related Au, SiO2, and TiO2 surfaces were investigated by a quartz crystal microbalance with dissipation monitoring (QCM-D) method. Frequency shifts indicated that while lysozyme (pI 11) was fairly adsorbed on the SiO2 (pI 1.9) surface at both pH 3 and 7, it was adsorbed on TiO2 (pI 6.3) surface only at pH 7. However, adsorption was disturbed by 50 mM NaCl. These results strongly suggested an electrostatic nature of the adsorption behavior. Though… CONTINUE READING

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