Advanced Materials

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Recently Published Articles

  1. Triboelectric-Potential-Regulated Charge Transport Through p–n Junctions for Area-Scalable Conversion of Mechanical Energy

    Xian Song Meng, Zhong Lin Wang and Guang Zhu

    Article first published online: 27 NOV 2015 | DOI: 10.1002/adma.201504141

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    Regulation of charge transport direction is realized through the coupling of triboelectrification, electrostatic induction, and semiconducting properties for area-scalable conversion of mechanical energy. The output current from each unit triboelectric generator can always constructively add up due to the unidirectional flow of electrons. This work proposes a practical and general route to area-scalable applications of the triboelectric generator and other energy-harvesting techniques.

  2. Electroluminescence of Giant Stretchability

    Can Hui Yang, Baohong Chen, Jinxiong Zhou, Yong Mei Chen and Zhigang Suo

    Article first published online: 26 NOV 2015 | DOI: 10.1002/adma.201504031

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    A new type of electroluminescent device achieves giant stretchability by integrating electronic and ionic components. The device uses phosphor powders as electroluminescent materials, and hydrogels as stretchable and transparent ionic conductors. Subject to cyclic voltage, the phosphor powders luminesce, but the ionic conductors do not electrolyze. The device produces constant luminance when stretched up to an area strain of 1500%.

  3. Bioinspired Synthesis of CaCO3 Superstructures through a Novel Hydrogel Composite Membranes Mineralization Platform: A Comprehensive View

    Gianluca Di Profio, Shabnam Majidi Salehi, Rocco Caliandro, Pietro Guccione, Giovanni Nico, Efrem Curcio and Enrica Fontananova

    Article first published online: 26 NOV 2015 | DOI: 10.1002/adma.201504608

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    Hydrogel composite membranes (HCMs) are used as novel mineralization platforms for the bioinspired synthesis of CaCO3 superstructures. A comprehensive statistical analysis of the experimental results reveals quantitative relationships between crystallization conditions and crystal texture and a strong selectivity toward complex morphologies when monomers bearing carboxyl and hydroxyl groups are used together in the hydrogel layer synthesis in HCMs.

  4. Microfluidic Bioprinting of Heterogeneous 3D Tissue Constructs Using Low-Viscosity Bioink

    Cristina Colosi, Su Ryon Shin, Vijayan Manoharan, Solange Massa, Marco Costantini, Andrea Barbetta, Mehmet Remzi Dokmeci, Mariella Dentini and Ali Khademhosseini

    Article first published online: 26 NOV 2015 | DOI: 10.1002/adma.201503310

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    A novel bioink and a dispensing technique for 3D tissue engineering applications are presented. The technique incorporates a coaxial extrusion needle using a low-viscosity cell-laden bioink to produce highly defined 3D biostructures. The extrusion system is then coupled to a microfluidic device to control the bioink arrangement deposition demonstrating the versatility of the bioprinting technique. Our low-viscosity cell-responsive bioink promotes cell migration and alignment within each fiber organizing the encapsulated cells.

  5. Combinatorial Approach to Nanoarchitectonics for Nonviral Delivery of Nucleic Acids

    Mijanur Rahaman Molla and Pavel A. Levkin

    Article first published online: 26 NOV 2015 | DOI: 10.1002/adma.201502888

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    Multifunctional nanosystems are promising candidates for delivering therapeutic agents. Parallel high-throughput synthesis of bioactive molecules offers several advantages over conventional methods to generate these nanocarriers and to investigate structure–function relationship. The progress in identifying superior nanocarriers for gene delivery applications utilizing a combinatorial approach is discussed.