Nature Nanotechnology Contents June 2017 Volume 12 Number 6 pp497-596

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Advertisement Collection: Nature Research Tech Collection The Nature Research Tech Collection is the home for life-science technology from across the Nature Research portfolio. Here, we highlight the technology behind the science, and provide current and need-to-know information that scientists can implement in their own labs Access the Collection Online TABLE OF CONTENTS June 2017 Volume 12, Issue 6 Editorial Research Highlights News and Views Review Analysis Letters Articles In The Classroom Advertisement   Springer Nature presents a custom webcast on: ToxTracker assay for high-throughput screening of genetic toxicity Date: Wednesday, June 14, 2017  Register for FREE Sponsored by: Merck KGaA, Darmstadt, Germany. The life science business of Merck KGaA, Darmstadt, Germany operates as MilliporeSigma in the U.S. and Canada  www.milliporesigmna.com    Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement Special offer! Recruit for less this summer!  10% discount on our Enhanced job posting package  20% discount on our Premium job posting package Be displayed alongside relevant content across nature.com reaching a potential audience of 10.8 million users.* Post a job now. * Publisher data 2016 Offer ends June 19, 2017   Advertisement npj Clean Water: open for submissions  An open access, online-only journal, dedicated to publishing high-quality papers that describe the significant and cutting-edge research that continues to ensure the supply of clean water to populations.  Explore the benefits of submitting your next manuscript >>   Editorial Top More carbon and less salt   p497 doi:10.1038/nnano.2017.122 We take a closer look at recent developments in research on various strategies to use carbon nanostructures for water desalination. Research Highlights Top Our choice from the recent literature   p499 Alberto Moscatelli, Giacomo Prando and Wenjie Sun doi:10.1038/nnano.2017.118 News and Views Top Ion sieving and desalination: Energy penalty for excess baggage   pp500 - 501 Ram Devanathan doi:10.1038/nnano.2017.53 Permeation experiments and simulations show that physically confined graphene oxide allows water molecules to pass through while hindering hydrated ions See also: Letter by Abraham et al. Thermal desalination membranes: Carbon nanotubes keep up the heat   pp501 - 503 Chanhee Boo and Menachem Elimelech doi:10.1038/nnano.2017.114 Applying high-potential alternating current to a carbon-nanotube-polymer composite film provides a self-heating membrane that enhances desalination performance of high-salinity brines by membrane distillation. See also: Article by Dudchenko et al. Lithium-oxygen batteries: The reaction mechanism revealed   pp503 - 504 Yang-Kook Sun and Chong S. Yoon doi:10.1038/nnano.2017.40 Using in situ environmental transmission electron microscopy, the structural and phase changes of the reaction products of an air cathode during discharging and charging can be visualized in real time. See also: Letter by Luo et al. Nanomachines: A light-powered clockwork   pp504 - 506 Chenfeng Ke doi:10.1038/nnano.2017.44 An organogel is made of molecular motors and modulators that act cooperatively to perform a full mechanical cycle of contraction and expansion at the macroscale. See also: Letter by Foy et al. Water remediation: A steam nanogenerator   p506 Giacomo Prando doi:10.1038/nnano.2017.117 Directed self-assembly: A dress code for block copolymers   pp507 - 508 Christopher K. Ober doi:10.1038/nnano.2017.49 A sacrificial overcoat layer directs self-assembly of block copolymers into lamellae with features smaller than 10 nm. See also: Article by Suh et al. Nature Nanotechnology JOBS of the week Post-doctoral position ? Carolina Cancer Nanotechnology T32 Training program The University of North Carolina Postdoctoral Research Associate (DNA Nanotechnology / Materials Science / Biosensing) Queen Mary University of London Full professorship in experimental physics Westfälische Wilhelms-Universität Münster Robot design and advanced control to achieve complex tasks with ultra-precision for nanotechnology applications. Université Bourgogne Franche-Comté - UBFC Postdoctoral position on lightsheet microscopy in material sciences KU Leuven, the Centre for Surface Chemistry and Catalysis More Science jobs from Nature Nanotechnology EVENT Global Summit & Expo on Nanotechnology and Material Science 04.12.17 Dubai, UAE More science events from Review Top Fundamental transport mechanisms, fabrication and potential applications of nanoporous atomically thin membranes   pp509 - 522 Luda Wang, Michael S. H. Boutilier, Piran R. Kidambi, Doojoon Jang, Nicolas G. Hadjiconstantinou and Rohit Karnik doi:10.1038/nnano.2017.72 This Review examines the development of nanoporous atomically thin membranes, focusing on fundamental mechanisms of gas- and liquid-phase transport, membrane fabrication techniques, and advances towards practical applications. Analysis Top The evolving landscape of drug products containing nanomaterials in the United States   pp523 - 529 Sheetal R. D'Mello, Celia N. Cruz, Mei-Ling Chen, Mamta Kapoor, Sau L. Lee and Katherine M. Tyner doi:10.1038/nnano.2017.67 Analysis of the development of drug products containing nanomaterials identifies several trends as well as the relative rate of approval of these products. Letters Top High electron mobility and quantum oscillations in non-encapsulated ultrathin semiconducting Bi2O2Se   pp530 - 534 Jinxiong Wu, Hongtao Yuan, Mengmeng Meng, Cheng Chen, Yan Sun, Zhuoyu Chen, Wenhui Dang, Congwei Tan, Yujing Liu, Jianbo Yin, Yubing Zhou, Shaoyun Huang, H. Q. Xu, Yi Cui, Harold Y. Hwang, Zhongfan Liu, Yulin Chen, Binghai Yan and Hailin Peng doi:10.1038/nnano.2017.43 Air-stable, non-encapsulated Bi2O2Se ultrathin films grown by chemical vapour deposition display high electron mobility and exceptional semiconducting transport properties, making the observation of quantum oscillations possible and suggesting potential applications in electronics. Revealing the reaction mechanisms of Li–O2 batteries using environmental transmission electron microscopy   pp535 - 539 Langli Luo, Bin Liu, Shidong Song, Wu Xu, Ji-Guang Zhang and Chongmin Wang doi:10.1038/nnano.2017.27 In situ characterization of the full reaction pathways of a solid state LiO2 battery shows the formation of hollow nanostructures as a result of the interplay between lithium ion diffusion, electron transport and oxygen gas evolution at the cathode. See also: News and Views by Sun & Yoon Dual-light control of nanomachines that integrate motor and modulator subunits   pp540 - 545 Justin T. Foy, Quan Li, Antoine Goujon, Jean-Rémy Colard-Itté, Gad Fuks, Emilie Moulin, Olivier Schiffmann, Damien Dattler, Daniel P. Funeriu and Nicolas Giuseppone doi:10.1038/nnano.2017.28 A set of independently light-controlled motor and modulator subunits embedded in a polymer gel matrix enables controlled macroscopic expansion and retraction of the material. See also: News and Views by Ke Tunable sieving of ions using graphene oxide membranes   pp546 - 550 Jijo Abraham, Kalangi S. Vasu, Christopher D. Williams, Kalon Gopinadhan, Yang Su, Christie T. Cherian, James Dix, Eric Prestat, Sarah J. Haigh, Irina V. Grigorieva, Paola Carbone, Andre K. Geim and Rahul R. Nair doi:10.1038/nnano.2017.21 Ion permeation and selectivity of graphene oxide membranes with sub-nm channels dramatically alters with the change in interlayer distance due to dehydration effects whereas permeation of water molecules remains largely unaffected. See also: News and Views by Devanathan Collective helicity switching of a DNA–coat assembly   pp551 - 556 Yongju Kim, Huichang Li, Ying He, Xi Chen, Xiaoteng Ma and Myongsoo Lee doi:10.1038/nnano.2017.42 A virus-like artificial structure responds to variations in pH by switching helicity. Advertisement npj 2D Materials and Applications is an online-only, open access journal that aims to become a top-tier interdisciplinary platform for scientists to share research on 2D materials and their applications. Part of the Nature Partner Journals series, npj 2D Materials and Applications is published in partnership with FCT NOVA, Lisbon, with the support of the European Materials Research Society (E-MRS). The journal is now open for submissions.  Find out more >>>    Articles Top Frequency-dependent stability of CNT Joule heaters in ionizable media and desalination processes   pp557 - 563 Alexander V. Dudchenko, Chuxiao Chen, Alexis Cardenas, Julianne Rolf and David Jassby doi:10.1038/nnano.2017.102 Electro-oxidation of CNT Joule heaters can be eliminated through the application of sufficiently high a.c. frequencies, which enables their use as self-heating membranes in membrane distillation. See also: News and Views by Boo & Elimelech Quantized edge modes in atomic-scale point contacts in graphene   pp564 - 568 Amogh Kinikar, T. Phanindra Sai, Semonti Bhattacharyya, Adhip Agarwala, Tathagata Biswas, Sanjoy K. Sarker, H. R. Krishnamurthy, Manish Jain, Vijay B. Shenoy and Arindam Ghosh doi:10.1038/nnano.2017.24 Graphene nanoconstrictions achieved via mechanical exfoliation of highly oriented pyrolytic graphite evidence clear signatures of one-dimensional transport via zigzag edges. Magnetic polaron on dangling-bond spins in CdSe colloidal nanocrystals   pp569 - 574 Louis Biadala, Elena V. Shornikova, Anna V. Rodina, Dmitri R. Yakovlev, Benjamin Siebers, Tangi Aubert, Michel Nasilowski, Zeger Hens, Benoit Dubertret, Alexander L. Efros and Manfred Bayer doi:10.1038/nnano.2017.22 Nonmagnetic colloidal nanocrystals demonstrate magnetic properties due to spins of dangling bonds at their surface resulting in formation of dangling-bond magnetic polarons. Sub-10-nm patterning via directed self-assembly of block copolymer films with a vapour-phase deposited topcoat   pp575 - 581 Hyo Seon Suh, Do Han Kim, Priya Moni, Shisheng Xiong, Leonidas E. Ocola, Nestor J. Zaluzec, Karen K. Gleason and Paul F. Nealey doi:10.1038/nnano.2017.34 A thin topcoat that grafts directly to block copolymer films does not need to be removed prior to further fabrication steps. See also: News and Views by Ober Confined space facilitates G-quadruplex formation   pp582 - 588 Prakash Shrestha, Sagun Jonchhe, Tomoko Emura, Kumi Hidaka, Masayuki Endo, Hiroshi Sugiyama and Hanbin Mao doi:10.1038/nnano.2017.29 DNA origami nanocages are used to directly probe the thermodynamic stability and transition kinetics of G-quadruplex in confined media. Bypassing adverse injection reactions to nanoparticles through shape modification and attachment to erythrocytes   pp589 - 594 Peter Popp Wibroe, Aaron C. Anselmo, Per H. Nilsson, Apoorva Sarode, Vivek Gupta, Rudolf Urbanics, Janos Szebeni, Alan Christy Hunter, Samir Mitragotri, Tom Eirik Mollnes and Seyed Moein Moghimi doi:10.1038/nnano.2017.47 The transitional link from robust clearance of intravenously injected nanoparticles by strategically placed macrophages in systemic circulation to adverse haemodynamic reactions can be overcome by changing nanoparticle geometry or by prior nanoparticle attachment to erythrocytes Advertisement Special offer! Recruit for less this summer!  10% discount on our Enhanced job posting package  20% discount on our Premium job posting package Be displayed alongside relevant content across nature.com reaching a potential audience of 10.8 million users.* Post a job now. * Publisher data 2016 Offer ends June 19, 2017   In The Classroom Top Teaching nanosafety   p596 Steffen Foss Hansen and Anders Baun doi:10.1038/nnano.2017.116 Steffen Foss Hansen and Anders Baun present some of the approaches that they have implemented in their Nanotechnology and the Environment course. Top Advertisement Call for nominations: 2017 John Maddox Prize for Standing up for Science. Recognising the work of individuals who promote science in the face of hostility. Winners will be announced at a reception in London, as well as in Nature, and will receive £2,000. Closing date for nominations is 31st July 2017. 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