Macromolecular Rapid Communications

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Recently Published Articles

  1. Graphene Oxide/Carbon Nanotube Composite Hydrogels—Versatile Materials for Microbial Fuel Cell Applications

    G. Gnana kumar, Saud Hashmi, Chandrasekaran Karthikeyan, Amin GhavamiNejad, Mohammad Vatankhah-Varnoosfaderani and Florian J. Stadler

    Article first published online: 16 SEP 2014 | DOI: 10.1002/marc.201400332

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    Hydrogels with carbonaceous fillers are synthesized and used as anode for microbial fuel cells (MFCs). While carbon nanotubes and graphene oxide alone improve electrical properties and MFC efficiency, only the hydrogel incorporating both fillers shows optimized properties, allowing for improved MFCs.

  2. Macrocyclic Amine-Linked Oligocarbazole Hollow Microspheres: Facile Synthesis and Efficient Lead Sorbents

    Yaozu Liao, Sisi Cai, Shaojun Huang, Xia Wang and Carl F. J. Faul

    Article first published online: 16 SEP 2014 | DOI: 10.1002/marc.201400415

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    Macrocyclic amine-linked oligocarbazole hollow microspheres are synthesized via a one-step oxidative method in aqueous solution and directly assembled to yield heavy metal sorbents with excellent selectivity and recyclability, shown to efficiently remove lead from contaminated water.

  3. Photo-Induced Anomalous Deformation of Poly(N-Isopropylacrylamide) Gel Hybridized with an Inorganic Nanosheet Liquid Crystal Aligned by Electric Field

    Takumi Inadomi, Shogo Ikeda, Yasushi Okumura, Hirotsugu Kikuchi and Nobuyoshi Miyamoto

    Article first published online: 16 SEP 2014 | DOI: 10.1002/marc.201400333

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    Poly-(N-isopropylacrylamide) PNIPA gels that are hybridized with uniaxially aligned inorganic nanosheet liquid crystals and adsorbed with a dye deform anisotropically by photo-irradiation. The alignment at the cm-scale is easily achieved by application of an in-plane or out-of-plane electric field during the synthetic processes. The gel even temporarily expands along one direction, which is an anomalous behavior for a conventional PNIPA gel.

  4. Rapid End-Group Modification of Polysaccharides for Biomaterial Applications in Regenerative Medicine

    Somasekhar Bondalapati, Emil Ruvinov, Olga Kryukov, Smadar Cohen and Ashraf Brik

    Article first published online: 15 SEP 2014 | DOI: 10.1002/marc.201400354

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    An efficient and straightforward approach for site-selective modification of various polysaccharides via oxime conjugation at their reducing end is reported. The alginate conjugates synthesized by this approach exhibit a remarkable enhancement in their rheological and biofunctional properties such as hydrogel formation and cell adhesive and proliferative properties compared with the randomly modified polysaccharides.

  5. A Polyurethane-Based Positive Photoresist

    Luis García-Fernández, Alexandre Specht and Aránzazu del Campo

    Article first published online: 15 SEP 2014 | DOI: 10.1002/marc.201400331

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    Photodegradable polyurethane formulations are presented and applied for micropatterning using UV light and two-photon lasers. These new materials represent readily available, versatile, and easy-to-use positive tone photoresists for low-cost lithography applications.