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Recently Published Articles

  1. Functional Nanomaterials Can Optimize the Efficacy of Vaccines

    Ye Liu, Yingying Xu, Yue Tian, Chunying Chen, Chen Wang and Xingyu Jiang

    Article first published online: 19 SEP 2014 | DOI: 10.1002/smll.201401707

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    Nanomaterials, such as peptide-based materials, non-peptide polymers, carbon, gold, silver, and calcium salts can act as carriers and/or immunoregulators to optimize the efficacy of vaccines in multiple ways, including enhancing the uptake of antigen-presenting cells against antigens, stimulating the proliferation of immunologic effector cells, and regulating immunity profiles induced by vaccines.

  2. Electrostatically Assembled CdS–Co3O4 Nanostructures for Photo-assisted Water Oxidation and Photocatalytic Reduction of Dye Molecules

    Omer Yehezkeli, Débora R. B. de Oliveira and Jennifer N. Cha

    Article first published online: 19 SEP 2014 | DOI: 10.1002/smll.201401490

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    Electrostatic assembly is used here to couple CdS nanorods with Co3O4 nanoparticles into photocatalytic systems that simultaneously oxidize water and mediate electron transfer. Layered films of CdS nanorods and Co3O4 nanoparticles are first used to generate high photo­currents electrochemically as opposed to CdS or Co3O4 alone. Dispersed clusters of CdS nanorods conjugated with Co3O4 nanoparticles are next shown to efficiently oxidize water and reduce methylene blue in solution.

  3. Stripe-Patterned Thermo-responsive Cell Culture Dish for Cell Separation without Cell Labeling

    Yoshikazu Kumashiro, Jun Ishihara, Terumasa Umemoto, Kazuyoshi Itoga, Jun Kobayashi, Tatsuya Shimizu, Masayuki Yamato and Teruo Okano

    Article first published online: 19 SEP 2014 | DOI: 10.1002/smll.201400787

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    A stripe-patterned thermo-responsive surface is prepared to enable cell separation without labeling. The thermo-responsive surface containing a 3 μm striped pattern exhibits various cell adhesion and detachment properties. A mixture of three cell types is separated on the patterned surface based on their distinct cell-adhesion properties, and the composition of the cells is analyzed by flow cytometry.

  4. Microfluidic Platforms for the Investigation of Intercellular Signalling Mechanisms

    Sofia Nahavandi, Shi-Yang Tang, Sara Baratchi, Rebecca Soffe, Saeid Nahavandi, Kourosh Kalantar-zadeh, Arnan Mitchell and Khashayar Khoshmanesh

    Article first published online: 19 SEP 2014 | DOI: 10.1002/smll.201401444

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    Cells use various mechanisms to communicate with each other which, according to the distance of signal transmission, can be categorised into gap junction, contact-dependent, autocrine, paracrine, endocrine, or synaptic methods. Microfluidics offers many advantages for the advancement of cell signalling studies, including providing precise control over cells and stimuli, reducing costs and sample requirements for analysis, and emulating the in-vivo environment.

  5. Mass Production of Multi-Channeled Porous Carbon Nanofibers and Their Application as Binder-Free Electrodes for High-Performance Supercapacitors

    Haiyong He, Lin Shi, Yan Fang, Xianglong Li, Qi Song and Linjie Zhi

    Article first published online: 18 SEP 2014 | DOI: 10.1002/smll.201401550

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    A unique class of multi-channeled porous carbon nanofibers (MCPCNFs) are designed with dual-pathway ion transport capability via a modified electrospinning approach. Combined with other features including high conductivity and numerous functional groups for facilitating the formation of electric double-layer charges, the MCPCNFs exhibit excellent supercapacitive performance, holding great potential for high-performance supercapacitor electrode materials.