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Recently Published Articles

  1. Molecular Hemocompatibility of Graphene Oxide and Its Implication for Antithrombotic Applications

    Kenry, Kian Ping Loh and Chwee Teck Lim

    Article first published online: 3 AUG 2015 | DOI: 10.1002/smll.201500841

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    Graphene oxide (GO) possesses a high loading capacity for albumin and it adsorbs well on the surface of GO. GO does not disrupt the overall secondary structure and conformational stability of albumin. Albumin-functionalized GO (albumin–GO) possesses enhanced antithrombotic property and may potentially be used as an antithrombotic coating material of blood-contacting biomedical devices under dynamic flow.

  2. MgZnO Nanocrystals: Mechanism for Dopant-Stimulated Self-Assembly

    Xiaoming Li, Yanli Liu, Jizhong Song, Jiayue Xu and Haibo Zeng

    Article first published online: 3 AUG 2015 | DOI: 10.1002/smll.201501550

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    Alloying-facilitated self-assembly of MgZnO nanocrysals (NCs) is observed, which transform from monodispersed NCs to nanoflowers, and then to nanobouquet with the increase of alloying concentration. A mechanism related to alloying concentration-dependent surface grafting is proposed. This work paves the way for additional studies that can shed light on the effect of the dopants on the growth behavior and dimensionalities of the final oxide nanostructures.

  3. Tackling Cell Transplantation Anoikis: An Injectable, Shape Memory Cryogel Microcarrier Platform Material for Stem Cell and Neuronal Cell Growth

    Ben Newland, Petra B. Welzel, Heike Newland, Claudia Renneberg, Petr Kolar, Mikhail Tsurkan, Anne Rosser, Uwe Freudenberg and Carsten Werner

    Article first published online: 3 AUG 2015 | DOI: 10.1002/smll.201500898

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    Highly macroporous semisynthetic cryogel microcarriers can be synthesized for culturing stem cells and neuronal type cells. Growth factors loaded to heparin-containing microcarriers show near zero-order release kinetics and cell-loaded microcarriers can be injected through a fine gauge cannula without negative effect on the cells. These carriers can be applied for cell transplantation applications.

  4. Differences in the Toxicological Potential of 2D versus Aggregated Molybdenum Disulfide in the Lung

    Xiang Wang, Nikhita D. Mansukhani, Linda M. Guiney, Zhaoxia Ji, Chong Hyun Chang, Meiying Wang, Yu-Pei Liao, Tze-Bin Song, Bingbing Sun, Ruibin Li, Tian Xia, Mark C. Hersam and André E. Nel

    Article first published online: 3 AUG 2015 | DOI: 10.1002/smll.201500906

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    The pulmonary hazard potential of three forms of MoS2—aggregated (Agg-MoS2), lithiation-exfoliated (Lit-MoS2), and Pluronic F87 dispersed MoS2 (PF87-MoS2)—is studied. Although Agg-MoS2 induces profibrogenic responses in vitro and acute lung inflammation in vivo, Lit- and PF87-MoS2 have no such effect. These data suggest that exfoliation attenuates Agg-MoS2’s toxicity, which is important toward its industrial and biological applications.

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    Heterostructures: Au-Edged CuZnSe2 Heterostructured Nanosheets with Enhanced Electrochemical Performance (Small 29/2015) (page 3582)

    Xintao Luo, Wei Xin, Chenhui Yang, Dong Yao, Yi Liu, Hao Zhang, Kai Zhang and Bai Yang

    Article first published online: 3 AUG 2015 | DOI: 10.1002/smll.201570175

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    Au-edged CuZnSe2 nanosheets with enhanced electrochemical performance are prepared through a one-pot colloidal chemistry route by H. Zhang, K. Zhang, and co-workers. The route, explained on page 3583, involves the preferential formation of Au clusters and the seeded growth of CuZnSe2 sheets because of the lattice matching of CuSe with Au.