Advanced Functional Materials

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  1. A Ratiometric Near-Infrared Fluorescent Probe for Quantification and Evaluation of Selenocysteine-Protective Effects in Acute Inflammation

    Xiaoyue Han, Xinyu Song, Fabiao Yu and Lingxin Chen

    Version of Record online: 24 MAY 2017 | DOI: 10.1002/adfm.201700769

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    A ratiometric near-infrared fluorescent probe (Cy-SS) is developed for qualitative and quantitative detection of selenocysteine (Sec) in living cells and in vivo. The probe is used to target the liver and detect Sec concentrations in normal and acute hepatitis BALB/c mice models. Sec is critical to maintain the redox statues of the liver and protect liver from inflammatory injury.

  2. Phase and Composition Tuning of 1D Platinum-Nickel Nanostructures for Highly Efficient Electrocatalysis

    Kezhu Jiang, Qi Shao, Dandan Zhao, Lingzheng Bu, Jun Guo and Xiaoqing Huang

    Version of Record online: 24 MAY 2017 | DOI: 10.1002/adfm.201700830

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    Porous Pt3Ni nanowires (NWs) are obtained by selectively etching Pt-Ni NWs with phase and component control. Due to their unique structure of high index facets, highly open structure, 1D structure, and ultrathin Pt-rich surface, the resulting porous Pt3Ni NWs show extraordinary activity and stability toward the oxygen reduction reaction, suggesting that superior Pt-based catalysts can be developed by precisely tailoring.

  3. Screening of Nanocomposite Scaffolds Arrays Using Superhydrophobic-Wettable Micropatterns

    Álvaro J. Leite, Mariana B. Oliveira, Sofia G. Caridade and João F. Mano

    Version of Record online: 24 MAY 2017 | DOI: 10.1002/adfm.201701219

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    Superhydrophobic surfaces patterned with wettable spots offer the advantages of benchtop array formation for 3D cell cultures and high-throughput screening. The arrays are suitable for characterization of nanocomposite scaffolds. Moreover, they are compatible with cell culture labware and established characterization methods, allowing standardization and adaptability. This study unveils the synergy between nanocomposites and cell behavior to develop biomaterial libraries.

  4. Supramolecular-Assembled Nanoporous Film with Switchable Metal Salts for a Triboelectric Nanogenerator

    Chanho Park, Giyoung Song, Suk Man Cho, Jihoon Chung, Yujeong Lee, Eui Hyuk Kim, Minjoo Kim, Sangmin Lee, June Huh and Cheolmin Park

    Version of Record online: 24 MAY 2017 | DOI: 10.1002/adfm.201701367

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    A supramolecular route for the fabrication of surface-tunable triboelectric nanogenerators is developed. The method is based on a nanoporous surface capable of binding with alkali metal ions, which are readily switchable among one another, via a conventional ion exchange process. This allows for the repeated and reversible switching of the triboelectric properties in a single device platform.

  5. Oxygen Vacancies Evoked Blue TiO2(B) Nanobelts with Efficiency Enhancement in Sodium Storage Behaviors

    Yan Zhang, Zhiying Ding, Christopher W. Foster, Craig E. Banks, Xiaoqing Qiu and Xiaobo Ji

    Version of Record online: 24 MAY 2017 | DOI: 10.1002/adfm.201700856

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    Oxygen vacancies (OVs) evoked blue-colored TiO2(B) nanobelts are first designed as superior anodes for sodium-ion batteries. They feature remarkable high-rate performance and durable long-term cycle life because of their ability to take full advantage of OVs to elevate electronic conductivity and lower sodiated energy barriers. A high capacity of 80.9 mAh g−1 (at 3350 mA g−1) is still maintained after 5000 cycles.