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Sol–Gel‐Based Advanced Porous Silica Materials for Biomedical Applications

Journal Article · · Advanced Functional Materials
 [1];  [2];  [3];  [1];  [4];  [3];  [1]
  1. MOE International Joint Research Laboratory on Synthetic Biology and Medicines School of Biology and Biological Engineering South China University of Technology Guangzhou 510006 P. R. China
  2. Center for Micro‐Engineered Materials Department of Chemical and Biological Engineering the University of New Mexico Albuquerque NM 87131 USA, Department of Internal Medicine, Molecular Medicine the University of New Mexico Albuquerque NM 87131 USA
  3. Center for Micro‐Engineered Materials Department of Chemical and Biological Engineering the University of New Mexico Albuquerque NM 87131 USA
  4. BCMaterials Basque Center for Materials UPV/EHU Science Park Leioa 48940 Spain, Ikerbasque Basque Foundation for Science Bilbao 48013 Spain

Abstract

Porous silica‐based materials have burgeoning applications ranging from fillers and additives, to adsorbents, catalysts, and recently therapeutic agents and vaccines in nanomedicine. The preponderance of these materials is made by sol–gel processing wherein soluble silica precursors are reacted to form amorphous networks composed of siloxane bonds. The facile sol–gel approach allows for an unlimited variety of binary tertiary and more complex chemical compositions including organic ligands and networks resulting in so‐called organic–inorganic hybrid materials. Here, a brief review of the recent progress in sol–gel‐derived silica materials prepared as particles, thin films, biosilica/silica bioreplicas (of molecules, cells and organisms), and their related preparation, properties, and bioapplications is provided. First, it highlights the recent achievements of mesoporous silica nanoparticles in biomedical applications, including therapeutic agent delivery, multimodal imaging and theranostics, and bone tissue engineering and repair. Second, the research in evaporation‐induced self‐assembly (EISA)‐based mesostructured silica thin films and cell‐directed EISA in bio/nano interfaces for various bioapplications, such as bioactive coatings, biosensing, and living cell immobilization, has been reviewed. Third, the pioneering work in biomimetic silicification/immobilization of biomolecules and bio‐organisms and silica bioreplication of complex bio‐organisms is summarized. Finally, it is concluded with personal perspectives on the directions of future work on this field.

Sponsoring Organization:
USDOE
OSTI ID:
1608069
Journal Information:
Advanced Functional Materials, Journal Name: Advanced Functional Materials Journal Issue: 41 Vol. 30; ISSN 1616-301X
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English

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  • Meyer, Kristin C.; Coker, Eric N.; Bolintineanu, Dan S.
  • Journal of the American Chemical Society, Vol. 136, Issue 38, p. 13138-13141 https://doi.org/10.1021/ja506718z
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