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July 15, 2014

ChemElectroChem 07/2014: Materials and Methods

ChemElectroChem 07/2014: Materials and MethodsIssue 7 contains a mixture of reviews, full papers, and communications covering very different areas in electrochemistry. In a Review, B. Van der Bruggen and colleagues describe "electrokinetic remediation" as a suitable technique for the restoration of saline soil and the control of seawater intrusion. In the Articles section, J. Roncali and co-workers report on the production of nanostructured conjugated polymers by electropolymerization of tailored tetrahedral precursors, and D. S. Silvester, D. W. M. Arrigan et al. present their results on the electrochemical characterization of an oleyl-coated magnetite nanoparticle-modified electrode. The Communication by P. Schmuki and colleagues shows that controlled thermal annealing can tune the photoelectrochemical properties of nanochanneled tin-oxide structures.

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  1. Three-Dimensional Tin Nanoparticles Embedded in Carbon Nanotubes on Carbon Cloth as a Flexible Anode for Lithium-Ion Batteries

    Weina Ren, Dezhi Kong and Prof. Chuanwei Cheng

    Article first published online: 1 SEP 2014 | DOI: 10.1002/celc.201402237

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    Like peas in a pod: Novel tin nanoparticles encapsulated in carbon nanotubes (TNEC) arrays on carbon cloth is prepared by a facile carbon reduction route as a flexible anode for lithium-ions batteries, which shows a high areal capacity (2.15 mAh cm−2) and cycling stability.

  2. Enzyme Biofuel Cells: Thermodynamics, Kinetics and Challenges in Applicability

    Dr. Roberto A. S. Luz, Andressa R. Pereira, João C. P. de Souza, Fernanda C. P. F. Sales and Prof. Dr. Frank N. Crespilho

    Article first published online: 1 SEP 2014 | DOI: 10.1002/celc.201402141

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    Implantable biofuel cells: The main concepts and challenges in enzyme biofuel cells (BFCs) research are introduced. Some important topics in kinetics and thermodynamics applied to BFCs are also discussed. Wherever possible, an extensive review of work undertaken in recent years is performed. Topics covered include thermodynamics, kinetics and challenges in applicability.

  3. Fundamental Properties of Phenylboronic-Acid-Coated Gate Field-Effect Transistor for Saccharide Sensing

    Dr. Taira Kajisa and Prof. Toshiya Sakata

    Article first published online: 1 SEP 2014 | DOI: 10.1002/celc.201402193

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    Sweet, sweeter, sweetest! To detect various kinds of saccharides with high sensitivity, mono-, di-, and nucleotide saccharides are detected using a phenylboronic-acid (PBA)-coated gate field-effect transistor. The gate voltage changes in response to sugar concentrations, and the affinity of PBA is different for sugars at higher concentration, although it is less selective at lower concentration.

  4. The Mtr Pathway of Shewanella oneidensis MR-1 Couples Substrate Utilization to Current Production in Escherichia coli

    Dr. Michaela A. TerAvest, Tom J. Zajdel and Dr. Caroline M. Ajo-Franklin

    Article first published online: 29 AUG 2014 | DOI: 10.1002/celc.201402194

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    Anatomy of an E. coli: The coupling of the MtrCAB-CymA electron conduit to central metabolism in E. coli is studied. An electrode poised at an anodic potential acts as a terminal electron acceptor that relieves buildup of reducing equivalents during anaerobic lactate metabolism.

  5. High-Performance, Totally Flexible, Tubular Microbial Fuel Cell

    Majid Taghavi, Prof. John Greenman, Dr. Lucia Beccai, Dr. Virgilio Mattoli, Dr. Barbara Mazzolai, Prof. Chris Melhuish and Prof. Ioannis Andrea Ieropoulos

    Article first published online: 29 AUG 2014 | DOI: 10.1002/celc.201402131

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    Put to good use: Various tubular microbial fuel cells (MFCs) are fabricated using carbon veil and carbon sleeve as the anode electrode in addition to cation exchange membrane and Nafion as the membrane. They are characterised while being fed with urine, resulting in a high-performance totally flexible MFC.