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Recently Published Articles

  1. Heteroatom-Containing Porous Carbons Derived from Ionic Liquid-Doped Alkali Organic Salts for Supercapacitors

    Jingyue Zhu, Dan Xu, Wenjing Qian, Jinyu Zhang and Feng Yan

    Article first published online: 12 FEB 2016 | DOI: 10.1002/smll.201600010

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    Ionic liquid (IL)-doped alkali organic salts are employed as carbon precursors for one-pot synthesis of heteroatom-doped porous carbon materials for supercapacitors. Doping of alkali organic salts with ILs not only incorporates the heteroatoms into the carbon frameworks but also improves the carbonization yield, as compared with that of either alkali organic salts or ILs as precursors.

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    Cancer Diagnosis: Nanoelectromechanical Chip (NELMEC) Combination of Nanoelectronics and Microfluidics to Diagnose Epithelial and Mesenchymal Circulating Tumor Cells from Leukocytes (Small 7/2016) (page 882)

    Seied Ali Hosseini, Mohammad Abdolahad, Somayeh Zanganeh, Mahyar Dahmardeh, Milad Gharooni, Hamed Abiri, Alireza Alikhani, Shams Mohajerzadeh and Omid Mashinchian

    Article first published online: 11 FEB 2016 | DOI: 10.1002/smll.201670033

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    A integrated nano-electromechanical chip (NELMEC) is developed for the label-free diagnosis of both epithelial and mesenchymal circulating tumor cells by M. Abdolahad and co-workers. Large single cells (>12 micrometers) are trapped at the opening of analysis microchannel arrays. On page 883, there is an observable difference between the membrane capacitance of ECTCs and MCTCs from WBCs, as measured by silicon nanograss electrodes patterned at the entrance of the channels. This is the key indication in diagnostic approaches of NELMEC with unprocessed blood.

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    Acoustic Streaming: Probing Cell Deformability via Acoustically Actuated Bubbles (Small 7/2016) (page 829)

    Yuliang Xie, Nitesh Nama, Peng Li, Zhangming Mao, Po-Hsun Huang, Chenglong Zhao, Francesco Costanzo and Tony Jun Huang

    Article first published online: 11 FEB 2016 | DOI: 10.1002/smll.201670031

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    An acoustically actuated, bubble-based technique is developed to investigate the deformability of cells suspended in microfluidic devices. On page 902, measurements of mechanical biomarkers from multiple cells made by T. J. Huang and co-workers are conducted in a single experiment, and integrated with other bioanalysis and drug-screening platforms. It is expected that this technique could provide insights for cell biology studies and biophysical cellular diagnosis.

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    Protein-Encapsulated Catalysts: WO3 Nanofiber-Based Biomarker Detectors Enabled by Protein-Encapsulated Catalyst Self-Assembled on Polystyrene Colloid Templates (Small 7/2016) (page 964)

    Seon-Jin Choi, Sang-Joon Kim, Hee-Jin Cho, Ji-Soo Jang, Yi-Min Lin, Harry L. Tuller, Gregory C. Rutledge and Il-Doo Kim

    Article first published online: 11 FEB 2016 | DOI: 10.1002/smll.201670035

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    A novel catalyst functionalization method is proposed by I.-D. Kim and co-workers using the self-assembly of protein-encapsulated catalytic nanoparticles on polystyrene colloid templates. On page 911, these templates are employed in electrospinning to achieve well-dispersed catalyst functionalization as well as to form open pores on WO3 nanofibers (NFs) after subsequent heat-treatment. The improved analyte-sensing performance is investigated with catalyst-loaded porous WO3 NFs, demonstrating their potential for application in exhaled breath analysis to diagnose diseases.

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    Masthead: (Small 7/2016)

    Article first published online: 11 FEB 2016 | DOI: 10.1002/smll.201670034