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Synthesis and patterning of tunable multiscale materials with engineered cells

Nature Materials, ISSN: 1476-4660, Vol: 13, Issue: 5, Page: 515-523
2014
  • 328
    Citations
  • 0
    Usage
  • 574
    Captures
  • 5
    Mentions
  • 85
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    328
  • Captures
    574
  • Mentions
    5
    • Blog Mentions
      3
      • Blog
        3
    • News Mentions
      2
      • News
        2
  • Social Media
    85
    • Shares, Likes & Comments
      85
      • Facebook
        85

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Article Description

Many natural biological systems - such as biofilms, shells and skeletal tissues - are able to assemble multifunctional and environmentally responsive multiscale assemblies of living and non-living components. Here, by using inducible genetic circuits and cellular communication circuits to regulate Escherichia coli curli amyloid production, we show that E. coli cells can organize self-assembling amyloid fibrils across multiple length scales, producing amyloid-based materials that are either externally controllable or undergo autonomous patterning. We also interfaced curli fibrils with inorganic materials, such as gold nanoparticles (AuNPs) and quantum dots (QDs), and used these capabilities to create an environmentally responsive biofilm-based electrical switch, produce gold nanowires and nanorods, co-localize AuNPs with CdTe/CdS QDs to modulate QD fluorescence lifetimes, and nucleate the formation of fluorescent ZnS QDs. This work lays a foundation for synthesizing, patterning, and controlling functional composite materials with engineered cells. © 2014 Macmillan Publishers Limited.

Bibliographic Details

Chen, Allen Y.; Deng, Zhengtao; Billings, Amanda N.; Seker, Urartu O. S.; Lu, Michelle Y.; Citorik, Robert J.; Zakeri, Bijan; Lu, Timothy K.

Springer Science and Business Media LLC

Chemistry; Materials Science; Physics and Astronomy; Engineering

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