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Keywords:

  • enzyme catalysis;
  • magnetic nanoparticles;
  • magnetic separation;
  • mesoporous materials;
  • silica
Thumbnail image of graphical abstract

Multifunctional nanocomposites (M-CLEAs) of enzymes and magnetic nanoparticles (M-NPs) were fabricated in hierarchically ordered, mesocellular, mesoporous silica (HMMS; see Figure) by a simple process involving the co-adsorption of enzyme molecules and magnetic nanoparticles into HMMS followed by glutaraldehyde (GA) treatment. These nanocomposites are magnetically separable and highly stable and active. In particular, M-CLEA–lipase shows no decrease of lipase activity at all in the presence of proteases.