Toward Design Rules for Enzyme Immobilization in Hierarchical Mesoporous Metal-Organic Frameworks

Peng Li, Justin A. Modica, Ashlee J. Howarth, Ernesto Vargas L., Peyman Z. Moghadam, Randall Q. Snurr, Milan Mrksich, Joseph T. Hupp, Omar K. Farha*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

257 Scopus citations


The immobilization of enzymes on or in solid supports is crucial for the industrialization of enzymes as chemical catalysts because immobilization provides stabilization, easy separation, and recyclability. Here, we show that a water-stable metal-organic framework, NU-1000, with hierarchical pore structure has the right combination of properties to be particularly well-suited as a scaffold for immobilizing enzymes such that they maintain full enzymatic catalytic activity. The immobilized enzyme shows greater resistance to organic solvent and denaturant than does the free enzyme and is characterized by greater reactant accessibility and higher activity than the same enzyme encapsulated in topologically simpler metal-organic frameworks. These findings suggest design rules for hierarchical pore structuring of host frameworks for enzyme-encapsulation applications by demonstrating enzyme immobilization in a solid support whereby the enzyme is highly accessible and retains catalytic activity under chemically challenging conditions.

Original languageEnglish (US)
Pages (from-to)154-169
Number of pages16
Issue number1
StatePublished - Dec 1 2016


  • SDG3: Good health and well-being

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Biochemistry, medical
  • Materials Chemistry


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