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Recently Published Articles

  1. Facet-Dependent Stripping Behavior of Cu2O Microcrystals Toward Lead Ions: A Rational Design for the Determination of Lead Ions

    Zhong-Gang Liu, Yu-Feng Sun, Wen-Kai Chen, Yuan Kong, Zhen Jin, Xing Chen, Xiao Zheng, Jin-Huai Liu, Xing-Jiu Huang and Shu-Hong Yu

    Article first published online: 29 JAN 2015 | DOI: 10.1002/smll.201402146

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    Facet-dependent stripping behavior in the determination of Pb(II): Well-defined Cu2O microcrystals with different structures show facet-dependent electrochemical behaviors toward heavy metal ions. This provides an important insight into the understanding the efficiency of facet-dependent properties of microcrystals on electroanalytical performance for the rational design of electrochemical analytical techniques for efficient detection of heavy metal ions.

  2. Efficient Capture and Simple Quantification of Circulating Tumor Cells Using Quantum Dots and Magnetic Beads

    Hyegeun Min, Seong-Min Jo and Hak-Sung Kim

    Article first published online: 28 JAN 2015 | DOI: 10.1002/smll.201403126

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    The use of anti-EpCAM-QDs and anti-IgG-MBs enables efficient capture and simple quantification of circulating tumor cells (CTCs). Anti-EpCAM-QDs target the CTCs, followed by their isolation using anti-IgG-MBs. The number of captured CTCs can be readily quantified by measuring the fluorescence intensity.

  3. Cytotoxicity of BSA-Stabilized Gold Nanoclusters: In Vitro and In Vivo Study

    Liyun Dong, Mulin Li, Song Zhang, Jun Li, Guanxin Shen, Yating Tu, Jintao Zhu and Juan Tao

    Article first published online: 28 JAN 2015 | DOI: 10.1002/smll.201403481

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    Bovine serum albumin-stabilized Au nanoclusters induce decline of cell viabilities on different cells to varied degrees in a dose- and time-dependent manner. Reactive oxygen species might be one of the important reasons for the toxicity of bovine serum albumin-Au nanoclusters. Au nanoclusters with concentrations of 5 nM and 20 nM significantly inhibit tumor growth, providing a new avenue for the design of an anti-cancer drug system.

  4. Three-Dimensional Interconnected Vanadium Pentoxide Nanonetwork Cathode for High-Rate Long-Life Lithium Batteries

    Qinyou An, Qiulong Wei, Pengfei Zhang, Jinzhi Sheng, Kalele Mulonda Hercule, Fan Lv, Qinqin Wang, Xiujuan Wei and Liqiang Mai

    Article first published online: 28 JAN 2015 | DOI: 10.1002/smll.201403358

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    Three-dimensional interconnected vanadium pentoxide nanonetworks as cathodes for rechargable lithium batteries are successfully synthesized via a quick gelation followed by annealing. The interconnected structure ensures the electron transport of each unit. And their inner porous structure buffer the volume change over long-term repeated lithium ion insertion/extraction cycles, leading to the high-rate long-life cycling performance.

  5. Surface Plasmon-Enhanced Photodetection in Few Layer MoS2 Phototransistors with Au Nanostructure Arrays

    Jinshui Miao, Weida Hu, Youliang Jing, Wenjin Luo, Lei Liao, Anlian Pan, Shiwei Wu, Jingxin Cheng, Xiaoshuang Chen and Wei Lu

    Article first published online: 28 JAN 2015 | DOI: 10.1002/smll.201403422

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    This paper offers an avenue to improve the photocurrent response of MoS2-based phototransistors by coupling few-layer MoS2 with Au plasmonic nanostructure arrays. After depositing 4 nm thick Au nanoparticles, a doubled increase in the photocurrent is observed. Moreover, the photocurrent response of few-layer MoS2 phototransistors exhibits a threefold enhancement with periodic Au nanoarrays.