4.7 Article

Uncovering alternate charge transfer mechanisms in Escherichia coli chemically functionalized with conjugated oligoelectrolytes

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 60, Pages 8223-8226

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc02784a

Keywords

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Funding

  1. Singapore EDB STRAT Program
  2. MOE Tier 2 Programme [MOE 2012-t2-2-024, ARC 2/13]
  3. Singapore Centre on Environmental Life Sciences Engineering (SCELSE)
  4. School of Materials Science and Engineering (MSE)
  5. Energy Research Institute @ NTU (ERI@N)
  6. NTU start-up grant [M4081293]
  7. Institute for Collaborative Biotechnologies through U.S. Army Research Office [W911NF-09-0001]

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Conjugated oligoelectrolytes integrated in Escherichia coli have been proposed to act as 'molecular wires', inducing extracellular electron transfer. This is monitored through reduction of HAuCl4 to form gold nanoparticles. In contrast to direct electron transfer, the reduction mechanism was traced to the release of electroactive cytosolic components during oligoelectrolyte incorporation.

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