Abstract
The adsorption of a polar (water) and a non-polar (n-octane) liquid on silica gels, modified by adsorption of proteins, has been studied by thermal analysis. Silica gels with physically adsorbed BSA and ovalbumin layers were used. Thermodesorption energies were determined from Q-TG and Q-DTG curves recorded under quasi-equilibrium conditions. Significant differences in liquid desorption were observed from the surfaces due to heterogeneous changes (energetic and geometrical) as a result of modification. These results are compared with those obtained for the samples heated at 160°C for 1 h.
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Sternik, D., Staszczuk, P., Pękalska, J. et al. Surface properties of silica gel samples modified by selected proteins. J Therm Anal Calorim 86, 85–91 (2006). https://doi.org/10.1007/s10973-006-7581-7
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DOI: https://doi.org/10.1007/s10973-006-7581-7