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Recently Published Articles

  1. Chitosan Nanofibers for Specific Capture and Nondestructive Release of CTCs Assisted by pCBMA Brushes

    Na Sun, Min Liu, Jine Wang, Zhili Wang, Xinpan Li, Bin Jiang and Renjun Pei

    Version of Record online: 22 JUL 2016 | DOI: 10.1002/smll.201600475

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    A chitosan nanofiber substrate grafted with pCBMA brushes is fabricated to provide a 3D interface of porous network and an antifouling flexible space for the immobilized aptamers confronting with cells. The cooperation of pCBMA brushes and DNA aptamers ensures sensitive capture from blood with a considerable purity, and intact release of target cells is realized using a complementary DNA sequence.

  2. Highly Efficient p-i-n Perovskite Solar Cells Utilizing Novel Low-Temperature Solution-Processed Hole Transport Materials with Linear π-Conjugated Structure

    Yang Li, Zheng Xu, Suling Zhao, Bo Qiao, Di Huang, Ling Zhao, Jiao Zhao, Peng Wang, Youqin Zhu, Xianggao Li, Xicheng Liu and Xurong Xu

    Version of Record online: 22 JUL 2016 | DOI: 10.1002/smll.201601603

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    Two novel small molecular materials are explored as the hole-transporting layer in p-i-n perovskite solar cells (PSCs), yielding high efficiencies of 17.4% and 17.6%, respectively, which are ≈40% higher than the standard PSCs.

  3. Radially Aligned Electrospun Fibers with Continuous Gradient of SDF1α for the Guidance of Neural Stem Cells

    Xiaoran Li, Mengyuan Li, Jie Sun, Yan Zhuang, Jiajia Shi, Dongwei Guan, Yanyan Chen and Jianwu Dai

    Version of Record online: 21 JUL 2016 | DOI: 10.1002/smll.201601285

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    Continuous protein gradients embedded in aligned fibers are developed based on the radially aligned electrospun collagen/poly (ε-caprolactone) fibers. The gradient scaffolds of collagen-binding-domain-fused stromal-cell-derived factor-1α (CBD-SDF1α) direct the migration of neural stem cells toward the center with higher SDF1α content significantly. This class of gradient scaffolds can potentially be employed for nerve regeneration guidance.

  4. Interfacing BiVO4 with Reduced Graphene Oxide for Enhanced Photoactivity: A Tale of Facet Dependence of Electron Shuttling

    Hui Ling Tan, Hassan A. Tahini, Xiaoming Wen, Roong Jien Wong, Xin Tan, Akihide Iwase, Akihiko Kudo, Rose Amal, Sean C. Smith and Yun Hau Ng

    Version of Record online: 21 JUL 2016 | DOI: 10.1002/smll.201601536

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    Extended exposure of {010} facets relative to {110} is elucidated to facilitate electron transfer from BiVO4 to reduced graphene oxide. Easier charge transfer across the interface of graphene/BiVO4{010} compared to that of graphene/BiVO4{110} interface is revealed to be due to metallic characteristic of the former with higher binding energy and smaller Schottky barrier, as calculated using density functional theory.

  5. Mechanism for the Cellular Uptake of Targeted Gold Nanorods of Defined Aspect Ratios

    Hongrong Yang, Zhong Chen, Lei Zhang, Wing-Yin Yung, Ken Cham-Fai Leung, Ho Yin Edwin Chan and Chung Hang Jonathan Choi

    Version of Record online: 21 JUL 2016 | DOI: 10.1002/smll.201601483

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    The combined effects of nanoparticle (NP) geometry and receptor targeting on the cellular uptake of NPs are systematically investigated. Short, targeted nanorods enter the cell more efficiently than targeted nanospheres or long, targeted nanorods. Long, targeted nanorods align to the cell membrane before undergoing a ≈90° rotation for crossing the cell membrane perpendicularly.