Results 171 to 180 of about 10,053 (199)
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Current Biology, 2022
In this Quick guide, Derek Lovley introduces microbial nanowires-conductive extracellular appendages made by some bacteria and archaea.
Derek R Lovley
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In this Quick guide, Derek Lovley introduces microbial nanowires-conductive extracellular appendages made by some bacteria and archaea.
Derek R Lovley
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In Situ Enhanced Yields of Microbial Nanowires: The Key Role of Environmental Stress
ACS Biomaterials Science and Engineering, 2023The conductive microbial nanowires of Geobacter sulfurreducens serve as a model for long-range extracellular electron transfer (EET), which is considered a revolutionary "green" nanomaterial in the fields of bioelectronics, renewable energy, and bioremediation. However, there is no efficient pathway to induce microorganisms to express a large amount of
Lei Wang, Jiaxin Li, Jafar Ali
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Extracellular electron transfer via microbial nanowires
Nature, 2005Microbes that can transfer electrons to extracellular electron acceptors, such as Fe(iii) oxides, are important in organic matter degradation and nutrient cycling in soils and sediments. Previous investigations on electron transfer to Fe(iii) have focused on the role of outer-membrane c-type cytochromes.
Lovley, Derek +5 more
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Intrinsically Conductive Microbial Nanowires for ‘Green’ Electronics with Novel Functions
Trends in Biotechnology, 2021Intrinsically conductive protein nanowires, microbially produced from inexpensive, renewable feedstocks, are a sustainable alternative to traditional nanowire electronic materials, which require high energy inputs and hazardous conditions/chemicals for fabrication and can be highly toxic. Pilin-based nanowires can be tailored for specific functions via
Derek R, Lovley, Jun, Yao
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On the electrical conductivity of microbial nanowires and biofilms
Energy & Environmental Science, 2011Dissimilatory metal-reducing bacteria (DMRB), such as Geobacter and Shewanella spp., occupy a distinct metabolic niche in which they acquire energy by coupling oxidation of organic fuels with reduction of insoluble extracellular electron acceptors (i.e., minerals).
Sarah M. Strycharz-Glaven +3 more
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Structural Basis for the High Conductivity of Microbial Pili as Potential Nanowires
Journal of Nanoscience and Nanotechnology, 2020The conductivity of Geobacter sulfurreducens is attributed mainly to its truncated pili, known as microbial nanowires. In this study, we explored the biological factors that limit electron transfer and hence the conductivity of pili, including the types of aromatic residue, distances between aromatic residues, local electrostatic environment around ...
Chuanjun, Shu, Ke, Xiao, Xiao, Sun
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Solar-Driven Microbial Photoelectrochemical Cells with a Nanowire Photocathode
Nano Letters, 2010We report a self-biased, solar-driven microbial photoelectrochemical cell (solar MPC) that can produce sustainable energy through coupling the microbial catalysis of biodegradable organic matter with solar energy conversion. The solar MPC consists of a p-type cuprous oxide nanowire-arrayed photocathode and an electricigen (Shewanella oneidensis MR-1 ...
Fang, Qian, Gongming, Wang, Yat, Li
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Tunable metallic-like conductivity in microbial nanowire networks
Nature Nanotechnology, 2011Electronic nanostructures made from natural amino acids are attractive because of their relatively low cost, facile processing and absence of toxicity. However, most materials derived from natural amino acids are electronically insulating. Here, we report metallic-like conductivity in films of the bacterium Geobacter sulfurreducens and also in pilin ...
Lovley, Derek +12 more
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Metal-like microbial nanowires
Physics Today, 2011Protein filaments made by some bacteria may bridge the gap between solid-state electronics and biological systems. Protein filaments made by some bacteria may bridge the gap between solid-state electronics and biological systems.
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Decorating the Outer Surface of Microbially Produced Protein Nanowires with Peptides
ACS Synthetic Biology, 2019The potential applications of electrically conductive protein nanowires (e-PNs) harvested from Geobacter sulfurreducens might be greatly expanded if the outer surface of the wires could be modified to confer novel sensing capabilities or to enhance binding to other materials. We developed a simple strategy for functionalizing e-PNs with surface-exposed
Toshiyuki Ueki +7 more
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