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Metal–Organic Framework Based Composites

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (22 February 2021) | Viewed by 2677

Special Issue Editor


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Guest Editor
Department of Physics and Chemistry - Emilio Segrè, University of Palermo, 90123 Palermo, Italy
Interests: micro- and meso-porous materials (metal-organic frameworks, porous SiO2); graphene; carbon related and 2D materials; morphological, structural, magnetic and optical properties of materials; point defects in pure, doped bulk and nanostructured silica; thermal processes of small molecules in solids; irradiation effects in solids

Special Issue Information

Dear Colleagues,

I’m glad to present this Special Issue devoted to Metal–Organic Framework-Based Composites.

MOFs are compounds constituted by metal groups and organic molecules (linkers) joined together to form microporous crystalline networks. Since a multitude of metal groups and organic linkers can be combined to build MOFs, a wide variety of crystalline frameworks are achievable, with variable chemical composition and properties. Such structures typically exhibit remarkable values of surface area (larger than 10000 m2/g) and outstanding physicochemical properties that make them of potential interest in many relevant fields of research and applications involving gas storage, separation, catalysis, drug delivery, sensing, and so on.

In recent years, the spectrum of the properties and consequently of the potential applications of MOFs has been further significantly extended by the advent of composites, involving MOFs in combination with other functional materials or molecules. As expected, such composites bring together the properties of the constituent materials, making it possible, for example, to compensate for the shortcomings of MOFs, such as their limited chemical stability and/or mechanical strength. In addition, new and interesting properties frequently come out from the collective behavior of the hybrids, further increasing their potentiality in many fields. The most promising examples of such composites involve MOFs integrated with carbon-related materials (activated carbon, nanotubes, graphene, graphene oxide, nanodots), amorphous silicon dioxide (nanoparticles, mesoporous silica), metal nanoparticles, magnetic and/or luminescent nanoparticles, functional molecules, etc. Furthermore, different MOFs can be combined to form heterostructures, such as core–shell systems, with very important properties. 

The current Materials Special Issue is mainly focused on the recent progress in synthesis and characterization of MOF composite materials, with the intent to bring out the most promising hybrid systems and their outstanding properties.

I invite all the colleagues involved in this exciting field of research to submit manuscripts to this Special Issue as research articles, reviews or short communications.

Prof. Gianpiero Buscarino
Guest Editor

Manuscript Submission Information

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Keywords

  • Metal–organic frameworks
  • Porous coordination polymer
  • Composites
  • Hybrids
  • Heterostructures
  • Design and synthesis
  • Advanced characterization
  • Gas storage
  • Separations
  • Drug delivery
  • Catalysis

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Published Papers (1 paper)

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Research

8 pages, 1111 KiB  
Article
Fragmented α-Amylase into Microporous Metal-Organic Frameworks as Bioreactors
by Li-Hao Liu, Ru-Yin Chiu, Pamela Berilyn So, Stephen Lirio, Hsi-Ya Huang, Wan-Ling Liu and Chia-Her Lin
Materials 2021, 14(4), 870; https://doi.org/10.3390/ma14040870 - 11 Feb 2021
Cited by 3 | Viewed by 2171
Abstract
This work presents an efficient and facile strategy to prepare an α-amylase bioreactor. As enzymes are quite large to be immobilized inside metal-organic frameworks (MOFs), the tertiary and quaternary structures of α-amylase were first disrupted using a combination of urea, dithiothreitol (DTT), and [...] Read more.
This work presents an efficient and facile strategy to prepare an α-amylase bioreactor. As enzymes are quite large to be immobilized inside metal-organic frameworks (MOFs), the tertiary and quaternary structures of α-amylase were first disrupted using a combination of urea, dithiothreitol (DTT), and iodoacetamide (IAA). After losing its tertiary structure, the unfolded proteins can now penetrate into the microporous MOFs, affording fragmented α-amylase@MOF bioreactors. Among the different MOFs evaluated, UiO-66 gave the most promising potential due to the size-matching effect of the α-helix of the fragmented α-amylase with the pore size of UiO-66. The prepared bioreactor exhibited high yields of small carbohydrate (maltose) even when reused up to 15 times (>80% conversion). Full article
(This article belongs to the Special Issue Metal–Organic Framework Based Composites)
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