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Adsorption of lysozyme on spherical mesoporous carbons (SMCs) replicated from colloidal silica arrays by chemical vapor deposition

Authors
Journal
Journal of Colloid and Interface Science
0021-9797
Publisher
Elsevier
Publication Date
Volume
339
Issue
2
Identifiers
DOI: 10.1016/j.jcis.2009.08.010
Keywords
  • Spherical Mesoporous Carbons (Smcs)
  • Chemical Vapor Deposition (Cvd)
  • Colloidal Silica Arrays
  • Surface-Templating Synthesis
  • Lysozyme Adsorption
Disciplines
  • Chemistry

Abstract

Abstract Spherical mesoporous carbons (SMC) were successfully synthesized by chemical vapor deposition (CVD) method using ferrocene as the carbon precursor and colloidal silica arrays as templates. The structure and textural properties of SMCs were characterized by a variety of techniques. Accordingly, a possible formation mechanism was proposed. These SMC materials were found to exhibit extraordinary high adsorption capacities (ca. 100 μmol/g) for lysozyme (Lz) in solution with a pH value of 11 close to its isoelectric point. The correlations between the textural parameters of SMCs with Lz adsorption capacity were also investigated along with discussion on its adsorption kinetics and stability.

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