Advanced Materials

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Recently Published Articles

  1. Self-Organizing Large-Scale Extracellular-Matrix Protein Networks

    Seungkuk Ahn, Leila F. Deravi, Sung-Jin Park, Borna E. Dabiri, Joon-Seop Kim, Kevin Kit Parker and Kwanwoo Shin

    Article first published online: 31 MAR 2015 | DOI: 10.1002/adma.201405556

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    Spontaneous, highly ordered large-scale fibronectin networks driven by electrostatic polymer patterns are fabricated, and these precisely controlled protein connections are demonstrated. It is examined whether this scheme, universal to various fibrillar extracellular matrix proteins beyond fibronectin, collagen, and laminin, can be self-organized. These data reveal a novel bottom-up method to form anisotropic, free-standing protein networks to be used as flexible, transferrable substrates for cardiac and neuronal tissue engineering.

  2. Mesoporous Metal–Organic Frameworks with Size-, Shape-, and Space-Distribution-Controlled Pore Structure

    Weina Zhang, Yayuan Liu, Guang Lu, Yong Wang, Shaozhou Li, Chenlong Cui, Jin Wu, Zhiling Xu, Danbi Tian, Wei Huang, Joseph S. DuCheneu, W. David Wei, Hongyu Chen, Yanhui Yang and Fengwei Huo

    Article first published online: 31 MAR 2015 | DOI: 10.1002/adma.201405752

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    Mesoporous-metal–organic frameworks (meso-MOFs) with size-, shape-, and space-distribution-controlled mesopores are obtained by a facile encapsulation and selective etching strategy of metal nanoparticles. Hierarchical or functionalized meso-MOFs are achieved by the above strategy. Interestingly, the functional meso-MOFs display higher catalytic activity originating from the mesopores existing in the MOFs, as well as good selectivity due to protection of the micro­porous frameworks.

  3. Sensing Solvents with Ultrasensitive Porous Poly(ionic liquid) Actuators

    Qiang Zhao, Jan Heyda, Joachim Dzubiella, Karoline Täuber, John W. C. Dunlop and Jiayin Yuan

    Article first published online: 31 MAR 2015 | DOI: 10.1002/adma.201500533

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    Ultrasensitive polymer actuators are prepared, which can sense a very small amount (0.25 mol%) of acetone solvent in water, discriminate butanol isomers, and perform cooperative actuation.

  4. A Hyper-Stretchable Elastic-Composite Energy Harvester

    Chang Kyu Jeong, Jinhwan Lee, Seungyong Han, Jungho Ryu, Geon-Tae Hwang, Dae Yong Park, Jung Hwan Park, Seung Seob Lee, Myunghwan Byun, Seung Hwan Ko and Keon Jae Lee

    Article first published online: 30 MAR 2015 | DOI: 10.1002/adma.201500367

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    A hyper-stretchable and deformable elastic-composite generator is developed using a piezoelectric nanocomposite composed of (1−x){Pb(Mg1/3Nb2/3)O3}–x{PbTiO3} microparticles, carbon nanotubes, a silicone rubber matrix, and very long silver (Ag) nanowire percolation network electrodes. To date, this nanogenerator sets world records for output performance, strain capacity, mechanical stability, and commercial feasibility in the research field for stretchable and deformable piezoelectric energy harvesters.

  5. Meter-Long Multiblock Copolymer Microfibers Via Interfacial Bioorthogonal Polymerization

    Shuang Liu, Han Zhang, Roddel A. Remy, Fei Deng, Michael E. Mackay, Joseph M. Fox and Xinqiao Jia

    Article first published online: 30 MAR 2015 | DOI: 10.1002/adma.201500360

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    High molecular weight multiblock copolymers are synthesized as robust polymer fibers via interfacial bioorthogonal polymerization employing the rapid cycloaddition of s-tetrazines with strained trans-cyclooctenes. When cell-adhesive peptide is incorporated in the tetrazine monomer, the resulting protein-mimetic polymer fibers provide guidance cues for cell attachment and elongation.