Nature Nanotechnology Contents Month 2015 Volume 10 Number 4 pp 285-380

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Advertisement Select Si, Ge, Au and more for Advanced FIB Nanofabrication! Visit Raith's New Website and learn more about FIB Nanofabrication and IONselect - ionLiNE's New Multi-Species Ion Beam Technology. TABLE OF CONTENTS April 2015 Volume 10, Issue 4 Correspondence Commentary Thesis Research Highlights News and Views Correction Letters Articles In The Classroom Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement nature.com webcasts Nature Publishing Group presents a custom webcast on: The future of metamaterials and metasurfaces Join speakers Prof. Nader Engheta, University of Pennsylvania, Prof. Nikolay I. Zheludev, University of Southampton & NTU Singapore and Prof. Din Ping Tsai, Academia Sinica. Wednesday, April 29, 2015, 8AM PDT, 11AM EDT, 4PM BST, 5PM CEST  Register for the webcast and live Q & A session   Sponsored by: FUJIFILM Corporation     Correspondence Top Missing gold atoms in lysozyme crystals used to grow gold nanoparticles   p285 Antonello Merlino, Marco Caterino, Irene Russo Krauss and Alessandro Vergara doi:10.1038/nnano.2015.53 Pre-market testing of nanomaterials in food is both practical and necessary   pp285 - 286 Jeremy Tager doi:10.1038/nnano.2015.49 Commentary Top Nanomaterials in art conservation   pp287 - 290 Piero Baglioni, Emiliano Carretti and David Chelazzi doi:10.1038/nnano.2015.38 Tackling the degradation of cultural heritage requires a global effort. We call on all material scientists to develop new nanomaterials and methods for the preservation of artwork. Thesis Top Thank you, Royal Society   pp291 - 292 Chris Toumey doi:10.1038/nnano.2015.62 More than a decade after it was first published, Chris Toumey revisits a report from the Royal Society on the opportunities and uncertainties of nanotechnology, and finds that it still has plenty to offer. Research Highlights Top Our choice from the recent literature   p293 doi:10.1038/nnano.2015.80 News and Views Top Molecular self-assembly: Best of both worlds   pp295 - 296 Rein V. Ulijn doi:10.1038/nnano.2015.59 The four-letter molecular code of DNA and the twenty-letter expression language of peptides have inspired the development of two thriving, but distinct, branches of nanotechnology; a technique that combines the two approaches could lead to robust, scalable materials with unique optoelectronic properties. See also: Article by Berger et al. Holography: Metasurfaces make it practical   pp296 - 298 Jacob Scheuer and Yuval Yifat doi:10.1038/nnano.2015.26 By combining the geometric phase with plasmonic metasurfaces, it is possible to make wide-angle holograms with power efficiency of 80% over a broad range of frequencies. See also: Letter by Zheng et al. Gut immunology: Nanoparticles ferry gut antigens   pp298 - 299 Johan D. Söderholm doi:10.1038/nnano.2015.58 Calcium and phosphate ions secreted in the intestine form nanoparticles that protect and shuttle protein antigens from the lumen to immune cells in the intestinal wall lining. See also: Article by Powell et al. Cancer nanomedicine: Therapy from within   pp299 - 300 Jan Grimm doi:10.1038/nnano.2015.63 The combination of Cerenkov light and nanoparticles now enables photodynamic therapy that does not rely on external light sources. See also: Article by Kotagiri et al. Theranostic agents: From micro to nano in seconds   pp301 - 302 Gregory M. Lanza doi:10.1038/nnano.2015.61 Multimodal microbubbles exposed to ultrasound shrink to nanoparticles that retain the imaging and drug delivery potential of the parent microbubble. See also: Letter by Huynh et al. Nanotechnology JOBS of the week Postdoctoral Fellow - Molecular Biology / Nanotechnology University of Michigan Technologist position on Functional Materials for Biorobotics Istituto Italiano di Tecnologia (IIT) Postdoctoral Fellow / Research Scientist (Bioinformatician) Institute of Bioengineering and Nanotechnology (IBN) More Science jobs from Nanotechnology EVENT ICNFA'15 - 6th International Conference on Nanotechnology: Fundamentals and Applications 15.07.15 Barcelona, Spain More science events from Correction Top Correction   p302 doi:10.1038/nnano.2015.55 Letters Top Rectification of electronic heat current by a hybrid thermal diode   pp303 - 307 Maria José Martínez-Pérez, Antonio Fornieri and Francesco Giazotto doi:10.1038/nnano.2015.11 A thermal diode with two orders of magnitude higher on/off ratio than that previously achieved can be obtained by combining normal metals and superconductors. Metasurface holograms reaching 80% efficiency   pp308 - 312 Guoxing Zheng, Holger Mühlenbernd, Mitchell Kenney, Guixin Li, Thomas Zentgraf and Shuang Zhang doi:10.1038/nnano.2015.2 Using a metasurface comprising an array of nanorods with different orientations and a backreflector, a hologram image can be obtained in the visible and near-infrared with limited loss of light intensity. See also: News and Views by Scheuer & Yifat Metallic 1T phase MoS2 nanosheets as supercapacitor electrode materials   pp313 - 318 Muharrem Acerce, Damien Voiry and Manish Chhowalla doi:10.1038/nnano.2015.40 The 1T metallic phase of MoS2 shows high volumetric capacitance and electrochemical properties that are attractive for supercapacitor applications. Coaxial lithography   pp319 - 324 Tuncay Ozel, Gilles R. Bourret and Chad A. Mirkin doi:10.1038/nnano.2015.33 A technique based on templated electrochemical synthesis can be used to prepare coaxial nanowires with sub-10 nm resolution in both axial and radial dimensions. In situ conversion of porphyrin microbubbles to nanoparticles for multimodality imaging   pp325 - 332 Elizabeth Huynh, Ben Y. C. Leung, Brandon L. Helfield, Mojdeh Shakiba, Julie-Anne Gandier, Cheng S. Jin, Emma R. Master, Brian C. Wilson, David E. Goertz and Gang Zheng doi:10.1038/nnano.2015.25 On exposure to low-frequency ultrasound, porphyrin microbubbles form nanoparticles that possess the same optical and therapeutic properties as the original microbubble, which can be used simultaneously for imaging and drug delivery. See also: News and Views by Lanza Articles Top Spin–orbit-torque engineering via oxygen manipulation   pp333 - 338 Xuepeng Qiu, Kulothungasagaran Narayanapillai, Yang Wu, Praveen Deorani, Dong-Hyuk Yang, Woo-Suk Noh, Jae-Hoon Park, Kyung-Jin Lee, Hyun-Woo Lee and Hyunsoo Yang doi:10.1038/nnano.2015.18 The controlled oxidation of magnetic layers in a multilayer structure enables the spin–orbit torques to be engineered. Inertial imaging with nanomechanical systems   pp339 - 344 M. Selim Hanay, Scott I. Kelber, Cathal D. O'Connell, Paul Mulvaney, John E. Sader and Michael L. Roukes doi:10.1038/nnano.2015.32 Linearly superposing multiple modes of a nanomechanical resonator enables molecular-scale imaging of the spatial mass distribution of individual analytes. Plateau–Rayleigh crystal growth of periodic shells on one-dimensional substrates   pp345 - 352 Robert W. Day, Max N. Mankin, Ruixuan Gao, You-Shin No, Sun-Kyung Kim, David C. Bell, Hong-Gyu Park and Charles M. Lieber doi:10.1038/nnano.2015.23 The underlying physics of the Plateau–Rayleigh instability can be exploited during core–shell nanowire synthesis to grow diameter-modulated homostructures and heterostructures with tunable morphologies. Light-emitting self-assembled peptide nucleic acids exhibit both stacking interactions and Watson–Crick base pairing   pp353 - 360 Or Berger, Lihi Adler-Abramovich, Michal Levy-Sakin, Assaf Grunwald, Yael Liebes-Peer, Mor Bachar, Ludmila Buzhansky, Estelle Mossou, V. Trevor Forsyth, Tal Schwartz, Yuval Ebenstein, Felix Frolow, Linda J. W. Shimon, Fernando Patolsky and Ehud Gazit doi:10.1038/nnano.2015.27 Peptide nucleic acids can self-assemble into ordered architectures that are coordinated by both stacking interactions and Watson–Crick base pairing, and exhibit a variety of optical properties. See also: News and Views by Ulijn An endogenous nanomineral chaperones luminal antigen and peptidoglycan to intestinal immune cells   pp361 - 369 Jonathan J. Powell, Emma Thomas-McKay, Vinay Thoree, Jack Robertson, Rachel E. Hewitt, Jeremy N. Skepper, Andy Brown, Juan Carlos Hernandez-Garrido, Paul A. Midgley, Inmaculada Gomez-Morilla, Geoffrey W. Grime, Karen J. Kirkby, Neil A. Mabbott, David S. Donaldson, Ifor R. Williams, Daniel Rios, Stephen E. Girardin, Carolin T. Haas, Sylvaine F. A. Bruggraber, Jon D. Laman, Yakup Tanriver, Giovanna Lombardi, Robert Lechler, Richard P. H. Thompson and Laetitia C. Pele doi:10.1038/nnano.2015.19 Calcium phosphate nanoparticles formed naturally in the intestine aid the transport of soluble molecules from the gut lumen to immune cells of the intestinal tissue, and contribute to the immune surveillance and homeostasis of the gut. See also: News and Views by Söderholm Breaking the depth dependency of phototherapy with Cerenkov radiation and low-radiance-responsive nanophotosensitizers   pp370 - 379 Nalinikanth Kotagiri, Gail P. Sudlow, Walter J. Akers and Samuel Achilefu doi:10.1038/nnano.2015.17 Cerenkov radiation from radionuclides is used to activate titanium dioxide nanophotosensitizers to achieve depth-independent phototherapy. See also: News and Views by Grimm In The Classroom Top From nano to micro and back   p380 Elizabeth Huynh doi:10.1038/nnano.2015.66 Working in large collaborations can help you understand how nanotechnology is closely related to other fields, explains Elizabeth Huynh. Top Advertisement npj Quantum Information An online open access journal providing a platform for the latest important research on quantum information, including quantum computing, quantum communications and quantum information theory. 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