Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0927-7765(00)00154-5
Title: Dynamics of adsorption and desorption of proteins at an air/water interface
Authors: Jiang, Q.
Chiew, Y.C. 
Keywords: Dynamic surface pressure
Protein adsorption and desorption
Surface dilational elasticity
Surface stress relaxation
Issue Date: 2001
Source: Jiang, Q., Chiew, Y.C. (2001). Dynamics of adsorption and desorption of proteins at an air/water interface. Colloids and Surfaces B: Biointerfaces 20 (4) : 303-308. ScholarBank@NUS Repository. https://doi.org/10.1016/S0927-7765(00)00154-5
Abstract: Adsorption and desorption dynamics of lysozyme and β-casein at the air/water interface were investigated through stress relaxation experiments. The resulting surface tension changes due to a step-type surface area disturbance, as a function of time, were measured through a capillary wave probe. The adsorption data, obtained after a surface area expansion, can be well fitted to a diffusion-controlled adsorption model. However, desorption relaxation following a surface compression is much slower and cannot be modeled by the diffusion theory. Characteristic diffusion frequency and high-frequency dilational elasticity for protein layers were also obtained and found to be consistent with data reported in the literature. Copyright © 2001 Elsevier Science B.V.
Source Title: Colloids and Surfaces B: Biointerfaces
URI: http://scholarbank.nus.edu.sg/handle/10635/66536
ISSN: 09277765
DOI: 10.1016/S0927-7765(00)00154-5
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