Nature Nanotechnology Contents Month 2013 Volume 8 Number 2 pp 69-143

TABLE OF CONTENTS February 2013 Volume 8, Issue 2 Editorial Correspondence Research Highlights News and Views Review Letters Advertisement Writing with both hands simultaneously? Visit Raith and learn about simultaneous electron and ion beam lithography. Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement Subscribe to Nature Nanotechnology today! Ensure you are abreast of the most significant research in nanoscience and nanotechnology by subscribing to Nature Nanotechnology. Subscribe online here.   Editorial Top The dialogue continues   p69 doi:10.1038/nnano.2013.19 The nanotoxicology community has numerous ideas and initiatives for improving the quality of published papers. Correspondence Top We need answers   p71 Ratna Tantra and Alex Shard doi:10.1038/nnano.2012.261 Broaden the discussion   p71 Bengt Fadeel and Kai Savolainen doi:10.1038/nnano.2013.2 Disseminating widely   p72 Kai Savolainen and Harri Alenius doi:10.1038/nnano.2013.3 Regulatory and research needs   p72 Jamie Lead and Stephen Holgate doi:10.1038/nnano.2013.8 Complexities abound   pp72 - 73 Warren C. W. Chan doi:10.1038/nnano.2013.6 Leave the policing to others   p73 Kenneth A. Dawson doi:10.1038/nnano.2013.9 Standardizing data   pp73 - 74 Nathan A. Baker, Juli D. Klemm, Stacey L. Harper, Sharon Gaheen, Mervi Heiskanen, Philippe Rocca-Serra and Susanna-Assunta Sansone doi:10.1038/nnano.2013.12 Research Highlights Top Our choice from the recent literature   p75 doi:10.1038/nnano.2013.13 News and Views Top Plasmonics: The dark side of the ring   pp76 - 77 Peter Nordlander doi:10.1038/nnano.2013.1 Small symmetry breaking in the configuration of an ensemble of nanospheres creates huge Fano resonance enhancements in the visible range. See also: Letter by Shafiei et al. Nanomechanical sensors: Bent on detecting cancer   pp77 - 78 Gajendra S. Shekhawat and Vinayak P. Dravid doi:10.1038/nnano.2013.10 Arrays of microcantilevers that have been coated with a specific oligonucleotide can be used to detect malignant melanoma. See also: Letter by Huber et al. Nanoparticles: Pushed off target with proteins   pp79 - 80 Rogério Gaspar doi:10.1038/nnano.2013.11 The formation of a protein corona around the surface of a nanoparticle can alter its targeting capabilities. See also: Letter by Salvati et al. Molecular electronics: Van der Waals rectifiers   pp80 - 81 Steven L. Bernasek doi:10.1038/nnano.2012.242 Subtle effects in the way self-assembled monolayers pack can be harnessed to produce dramatic enhancements in the performance of organic diodes. See also: Letter by Nerngchamnong et al. Wear: One atom after the other   pp81 - 82 Andre Schirmeisen doi:10.1038/nnano.2013.4 Combining electron and force microscopy allows the observation of atomic-loss processes during sliding, challenging the classical laws of wear-rate prediction. See also: Letter by Jacobs & Carpick Nanotechnology JOBS of the week Tenure track position in experimental condensed matter physics Aalto University Postdoctoral Position available in Microfluidics & Bioanalysis University of Texas at El Paso PhD Studentship UCL Graduate Studies in Medical Biophysics Lawson Health Research Institute - Imaging Master of Science (MSc) Burns, Plastic and Reconstructive Surgery University College at London More Science jobs from Nanotechnology EVENT 2013 International Conference of RNA Nanotechnology and Therapeutics 3-5 April 2013 Kentucky, US More science events from Review Top Multi-electrode array technologies for neuroscience and cardiology   pp83 - 94 Micha E. Spira and Aviad Hai doi:10.1038/nnano.2012.265 This Review describes recent approaches that merge extracellular microelectrode arrays with intracellular microelectrodes for studying neuronal circuit connectivity. Letters Top A subwavelength plasmonic metamolecule exhibiting magnetic-based optical Fano resonance   pp95 - 99 Farbod Shafiei, Francesco Monticone, Khai Q. Le, Xing-Xiang Liu, Thomas Hartsfield, Andrea Alù and Xiaoqin Li doi:10.1038/nnano.2012.249 Small asymmetries in a 2 × 2 array of nanoparticles enable the experimental observation of a magnetic-based Fano resonance at optical frequencies. See also: News and Views by Nordlander Vertical field-effect transistor based on graphene–WS2 heterostructures for flexible and transparent electronics   pp100 - 103 Thanasis Georgiou, Rashid Jalil, Branson D. Belle, Liam Britnell, Roman V. Gorbachev, Sergey V. Morozov, Yong-Jin Kim, Ali Gholinia, Sarah J. Haigh, Oleg Makarovsky, Laurence Eaves, Leonid A. Ponomarenko, Andre K. Geim, Kostya S. Novoselov and Artem Mishchenko doi:10.1038/nnano.2012.224 A tunnelling transistor based on stacks of chemically grown graphene and other two-dimensional layers shows record performance. Magnetic quantum ratchet effect in graphene   pp104 - 107 C. Drexler, S. A. Tarasenko, P. Olbrich, J. Karch, M. Hirmer, F. Müller, M. Gmitra, J. Fabian, R. Yakimova, S. Lara-Avila, S. Kubatkin, M. Wang, R. Vajtai, P. M. Ajayan, J. Kono and S. D. Ganichev doi:10.1038/nnano.2012.231 The ratchet effect is demonstrated in a graphene layer in which asymmetry is externally introduced by a magnetic field applied parallel to the plane. Nanoscale wear as a stress-assisted chemical reaction   pp108 - 112 Tevis D. B. Jacobs and Robert W. Carpick doi:10.1038/nnano.2012.255 In situ transmission electron microscopy demonstrates that atomic attrition is the primary wear mechanism of silicon at low loads. See also: News and Views by Schirmeisen The role of van der Waals forces in the performance of molecular diodes   pp113 - 118 Nisachol Nerngchamnong, Li Yuan, Dong-Chen Qi, Jiang Li, Damien Thompson and Christian A. Nijhuis doi:10.1038/nnano.2012.238 Weak van der Waals interactions control the packing of self-assembled monolayers in a molecular diode and have a remarkable effect on the device performance. See also: News and Views by Bernasek In-plane heterostructures of graphene and hexagonal boron nitride with controlled domain sizes   pp119 - 124 Zheng Liu, Lulu Ma, Gang Shi, Wu Zhou, Yongji Gong, Sidong Lei, Xuebei Yang, Jiangnan Zhang, Jingjiang Yu, Ken P. Hackenberg, Aydin Babakhani, Juan-Carlos Idrobo, Robert Vajtai, Jun Lou and Pulickel M. Ajayan doi:10.1038/nnano.2012.256 By growing graphene in patterned hexagonal boron nitride layers, planar heterostructures can be fabricated and used to create two-dimensional devices. Direct detection of a BRAF mutation in total RNA from melanoma cells using cantilever arrays   pp125 - 129 F. Huber, H. P. Lang, N. Backmann, D. Rimoldi and Ch. Gerber doi:10.1038/nnano.2012.263 Microcantilever arrays are used to detect individual point mutations in a gene associated with melanoma cancer, offering a rapid test for deciding whether or not patients are eligible to receive drug treatment. See also: News and Views by Shekhawat & Dravid Peptide nanofibrils boost retroviral gene transfer and provide a rapid means for concentrating viruses   pp130 - 136 Maral Yolamanova, Christoph Meier, Alexey K. Shaytan, Virag Vas, Carlos W. Bertoncini, Franziska Arnold, Onofrio Zirafi, Shariq M. Usmani, Janis A. Müller, Daniel Sauter, Christine Goffinet, David Palesch, Paul Walther, Nadia R. Roan, Hartmut Geiger, Oleg Lunov, Thomas Simmet, Jens Bohne, Hubert Schrezenmeier, Klaus Schwarz, Ludger Ständker, Wolf-Georg Forssmann, Xavier Salvatella, Pavel G. Khalatur, Alexei R. Khokhlov, Tuomas P. J. Knowles, Tanja Weil, Frank Kirchhoff and Jan Münch doi:10.1038/nnano.2012.248 Short peptides derived from the HIV-1 glycoprotein form nanofibrils that can be used to improve viral gene delivery and concentrate viruses without the need for ultracentrifugation. Transferrin-functionalized nanoparticles lose their targeting capabilities when a biomolecule corona adsorbs on the surface   pp137 - 143 Anna Salvati, Andrzej S. Pitek, Marco P. Monopoli, Kanlaya Prapainop, Francesca Baldelli Bombelli, Delyan R. Hristov, Philip M. Kelly, Christoffer Åberg, Eugene Mahon and Kenneth A. Dawson doi:10.1038/nnano.2012.237 When placed in a complex biological environment, targeting molecules on the surface of nanoparticles are shielded by surrounding biomolecules and their ability to bind to the targeted receptors on cells is lost. See also: News and Views by Gaspar Top Advertisement Submit your next paper to Nature Nanotechnology The Nature Nanotechnology editorial team is accepting manuscripts from researchers in all disciplines who are active at the frontiers of this diverse and multidisciplinary field. Articles for Nature Nanotechnology will be selected and edited to have the maximum appeal to the global nanoscience and nanotechnology community. 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