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Catalytically Active Nanomaterials: A Promising Candidate for Artificial Enzymes

Lin, Youhui, Ren, Jinsong, Qu, Xiaogang·2014·Accounts of Chemical Research
DOI 10.1021/ar400250z
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Abstract

Natural enzymes, exquisite biocatalysts mediating every biological process in living organisms, are able to accelerate the rate of chemical reactions up to 10(19) times for specific substrates and reactions. However, the practical application of enzymes is often hampered by their intrinsic drawbacks, such as low operational stability, sensitivity of catalytic activity to environmental conditions, and high costs in preparation and purification. Therefore, the discovery and development of artificial enzymes is highly desired. Recently, the merging of nanotechnology with biology has ignited extensive research efforts for designing functional nanomaterials that exhibit various properties intrinsic to enzymes. As a promising candidate for artificial enzymes, catalytically active nanomaterials (nanozymes) show several advantages over natural enzymes, such as controlled synthesis in low cost, tunability in catalytic activities, as well as high stability against stringent conditions. In this Account, we focus on our recent progress in exploring and constructing such nanoparticulate artificial enzymes, including graphene oxide, graphene-hemin nanocomposites, carbon nanotubes, carbon nanodots, mesoporous silica-encapsulated gold nanoparticles, gold nanoclusters, and nanoceria. According to their structural characteristics, these enzyme mimics are categorized into three classes: carbon-, metal-, and metal-oxide-based nanomaterials. We aim to highlight the important role of catalytic nan…

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Metadata

Authors
Lin, Y., Ren, J., & Qu, X.
Venue
Accounts of Chemical Research
Publisher
American Chemical Society (ACS)
Published
2014-01-17
Volume
47
Issue
4
Pages
1097-1105
ISSN
  • 0001-4842
  • 1520-4898
DOI
10.1021/ar400250z
Cited by
1,252
References
2
Language
en

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