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Synthesis and Characterization of Functionalized Metal-organic Frameworks
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Surface-Functionalized Metal-Organic Frameworks for Binding Coronavirus Proteins.

Aamod V Desai1, Simon M Vornholt1, Louise L Major2

  • 1EastChem School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.

ACS Applied Materials & Interfaces
|February 14, 2023
PubMed
Summary
This summary is machine-generated.

Metal-organic frameworks (MOFs) functionalized with antiviral agents show promise for deactivating SARS-CoV-2. These modified MOFs selectively bind to viral spike proteins and can adsorb water, aiding in the fight against respiratory viruses.

Keywords:
SARS-CoV-2antiviral drugsmetal−organic frameworkprotein bindingwater adsorption

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Virology

Background:

  • Personal protective equipment (PPE) is widely used against SARS-CoV-2.
  • Alternative strategies are needed to combat respiratory virus transmission.

Purpose of the Study:

  • To explore metal-organic frameworks (MOFs) as a novel approach for deactivating coronavirus particles.
  • To functionalize MOF surfaces with antiviral agents for specific SARS-CoV-2 interaction.

Main Methods:

  • Three MOFs (UiO-66(Zr), UiO-66-NH2(Zr), UiO-66-NO2(Zr)) were functionalized with folic acid, nystatin, and tenofovir.
  • Protein binding studies were conducted to assess interaction with SARS virus spike proteins.
  • The capacity of functionalized MOFs to adsorb water was evaluated.

Main Results:

  • Surface functionalization significantly enhanced MOF binding affinity for both glycosylated and non-glycosylated proteins.
  • Functionalized MOFs demonstrated the ability to adsorb water, enabling local dehydration of microbial aerosols.
  • UiO-66(Zr), UiO-66-NH2(Zr), and UiO-66-NO2(Zr) showed improved protein binding.

Conclusions:

  • Functionalized MOFs offer a promising strategy for deactivating respiratory coronaviruses.
  • MOFs can be tailored for selective viral particle interaction and aerosol dehydration.
  • This research contributes to pandemic preparedness through advanced material applications.