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  1. Superhydrophobic Blood-Repellent Surfaces

    Ville Jokinen, Esko Kankuri, Sasha Hoshian, Sami Franssila and Robin H. A. Ras

    Version of Record online: 21 FEB 2018 | DOI: 10.1002/adma.201705104

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    Superhydrophobic surfaces can reduce the adhesion and activation of platelets and thus show promise for blood-repellent surfaces. The micro- and nanotopographies reduce the effective area exposed to blood and provide insufficient adhesion areas for platelets. Superhydrophobic surfaces also alter protein adsorption and flow patterns. However, questions remain regarding the safety and stability in physiological conditions.

  2. Self-Assembled Peptide-Based Nanomaterials for Biomedical Imaging and Therapy

    Guo-Bin Qi, Yu-Juan Gao, Lei Wang and Hao Wang

    Version of Record online: 20 FEB 2018 | DOI: 10.1002/adma.201703444

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    The recent progress in peptide-based nanomaterials from building block peptides and self-assembly driving forces to application-directed ex situ and in situ construction of nanomaterials is systematically summarized. The advantages of intelligent in situ construction of peptide-based nanomaterials in vivo are emphasized. The importance of self-assembled peptide nanostructures for nanomedicine is highlighted.

  3. Tattoo-Paper Transfer as a Versatile Platform for All-Printed Organic Edible Electronics

    Giorgio E. Bonacchini, Caterina Bossio, Francesco Greco, Virgilio Mattoli, Yun-Hi Kim, Guglielmo Lanzani and Mario Caironi

    Version of Record online: 20 FEB 2018 | DOI: 10.1002/adma.201706091

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    Temporary tattoo-paper is proposed as a simple and versatile platform for the integration of biocompatible organic electronics onto food and pharmaceutical capsules. The fabrication of all-printed biocompatible organic transistors and complementary logic on untreated commercial tattoo-paper, and their subsequent transfer to and operation on edible substrates is demonstrated, paving the way for novel point-of-care devices and smart food labels.

  4. Imaging Heterogeneously Distributed Photo-Active Traps in Perovskite Single Crystals

    Haifeng Yuan, Elke Debroye, Eva Bladt, Gang Lu, Masoumeh Keshavarz, Kris P. F. Janssen, Maarten B. J. Roeffaers, Sara Bals, Edward H. Sargent and Johan Hofkens

    Version of Record online: 19 FEB 2018 | DOI: 10.1002/adma.201705494

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    Optical differential super-resolution localization microscopy maps the heterogeneous distribution of photo-active traps in organic–inorganic lead halide perovskite nanocrystals by contrast of photoluminescence intermittency. The reconstructed trap distribution is correlated with the morphology and crystallinity of nanocrystals. The higher average trap density revealed in polycrystalline nanocrystals indicates that the traps are correlated with structural defects.

  5. Single Carbon Fibers with a Macroscopic-Thickness, 3D Highly Porous Carbon Nanotube Coating

    Mingchu Zou, Wenqi Zhao, Huaisheng Wu, Hui Zhang, Wenjing Xu, Liusi Yang, Shiting Wu, Yunsong Wang, Yijun Chen, Lu Xu and Anyuan Cao

    Version of Record online: 19 FEB 2018 | DOI: 10.1002/adma.201704419

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    Macroscopic CNTs@CF hybrid fibers are fabricated by directly growing a millimeter-thick 3D porous carbon nanotube sponge layer on a single carbon fiber with high interfacial strength quantified by pull-out tests, and show potential applications in reinforced nanocomposites and high-performance fiber-shaped energy devices such as supercapacitors and lithium-ion batteries.