Nature Nanotechnology Contents August 2012 Volume 7 Number 8 pp 481-544

TABLE OF CONTENTS August 2012 Volume 7, Issue 8 pp 481 - 544 Research Highlights News and Views Letters Article Erratum Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement Nature Communications #4 in multidisciplinary sciences with first Impact Factor Nature Communications has joined Nature at the top of the multidisciplinary sciences category with its first impact factor of 7.396* Launched in April 2010, Nature Communications is a multidisciplinary online-only journal publishing high quality research across the natural sciences. *2011 Journal Citation Reports® (Thomson Reuters, 2012)   Research Highlights Top Our choice from the recent literature   p481 doi:10.1038/nnano.2012.136 News and Views Top Nanomedicine: Shake up the drug containers   pp483 - 484 Yechezkel Barenholz doi:10.1038/nnano.2012.132 Lentil-shaped liposomes, formed from novel phospholipids that have an unnatural structure, release their contents only under high shear stress such as inside a constricted blood vessel, offering a way to deliver drugs to clogged arteries without the use of targeting ligands. See also: Article by Holme et al. Scanning Probes: Cold atoms feel the force   pp484 - 485 Hendrik Hölscher doi:10.1038/nnano.2012.108 The dispersion forces between atoms and nanostuctures have been measured by using a scanning probe microscope in which the tip is a confined gas of ultracold atoms. See also: Letter by Schneeweiss et al. Nanoelectronics: Nothing is like a vacuum   pp485 - 487 Brian R. Stoner and Jeffrey T. Glass doi:10.1038/nnano.2012.130 Nanoscale charge channels combine the benefits of vacuum tubes with solid-state electronics. See also: Letter by Srisonphan et al. Environmental, health and safety issues: Incinerator filters nanoparticles   pp487 - 488 Mark R. Wiesner and Desiree L. Plata doi:10.1038/nnano.2012.133 Cerium oxide nanoparticles introduced into a full-scale incinerator are properly filtered and remain in ash residues, but other risks from nanoparticles generated or altered by incinerators should not be overlooked. See also: Letter by Walser et al. Condensed-matter physics: Polarized light boosts valleytronics   pp488 - 489 Kamran Behnia doi:10.1038/nnano.2012.117 Electrons can be confined to individual momentum valleys in the electronic structure of molybdenum disulphide by shining circularly polarized light onto single layers of this two-dimensional material. See also: Letter by Zeng et al. | Letter by Mak et al. Nanotechnology JOBS of the week 3 PhD positions in Medical Nanotechnology European School of Molecular Medicine (SEMM) Postdoctoral Researcher University of Pennsylvania Seven Tenure Track or Tenured Professor Positions Aalto University School of Electrical Engineering Senior Researcher and Head of Section for Bacteriology, Pathology and Parasitology Technical University of Denmark (DTU) Assistant / Associate / Professor in Immunology FlU -- Florida International University More Science jobs from Nanotechnology EVENT Nanoscience and Nanotechnology 2012 01.-04.10.12 Frascati, Italy More science events from Letters Top Valley polarization in MoS2 monolayers by optical pumping   pp490 - 493 Hualing Zeng, Junfeng Dai, Wang Yao, Di Xiao and Xiaodong Cui doi:10.1038/nnano.2012.95 Circularly polarized light has been used to achieve a valley polarization of 30% in single-layer molybdenum disulphide. See also: News and Views by Behnia Control of valley polarization in monolayer MoS2 by optical helicity   pp494 - 498 Kin Fai Mak, Keliang He, Jie Shan and Tony F. Heinz doi:10.1038/nnano.2012.96 Circularly polarized light has been used to confine charge carriers in single-layer molybdenum disulphide entirely to a single energy-band valley, representing full valley polarization. See also: News and Views by Behnia Shift registers based on magnetic domain wall ratchets with perpendicular anisotropy   pp499 - 503 J. H. Franken, H. J. M. Swagten and B. Koopmans doi:10.1038/nnano.2012.111 Time-varying magnetic fields can be used to drive magnetic domain walls around arbitrary paths, including closed loops, in a ratchet-like fashion. Metal–oxide–semiconductor field-effect transistor with a vacuum channel   pp504 - 508 Siwapon Srisonphan, Yun Suk Jung and Hong Koo Kim doi:10.1038/nnano.2012.107 Replacing the semiconductor channel in a conventional field-effect transistor with a vacuum channel could lead to a new generation of low-power, high-speed devices. See also: News and Views by Stoner & Glass A hybrid on-chip optomechanical transducer for ultrasensitive force measurements   pp509 - 514 E. Gavartin, P. Verlot and T. J. Kippenberg doi:10.1038/nnano.2012.97 A nanomechanical beam and a disk-shaped optical resonator are integrated on a chip to make a transducer that can measure extremely weak forces. Dispersion forces between ultracold atoms and a carbon nanotube   pp515 - 519 P. Schneeweiss, M. Gierling, G. Visanescu, D. P. Kern, T. E. Judd, A. Günther and J. Fortágh doi:10.1038/nnano.2012.93 The fundamental interactions between a rubidium atom and a carbon nanotube can be probed by inserting the nanotube into an ultracold cloud of atoms. See also: News and Views by Hölscher Persistence of engineered nanoparticles in a municipal solid-waste incineration plant   pp520 - 524 Tobias Walser, Ludwig K. Limbach, Robert Brogioli, Esther Erismann, Luca Flamigni, Bodo Hattendorf, Markus Juchli, Frank Krumeich, Christian Ludwig, Karol Prikopsky, Michael Rossier, Dominik Saner, Alfred Sigg, Stefanie Hellweg, Detlef Günther and Wendelin J. Stark doi:10.1038/nnano.2012.64 Large-scale incinerators can remove engineered nanoparticles from flue gas and loosely trap them in solid combustion residues. See also: News and Views by Wiesner & Plata Characterization of the motion of membrane proteins using high-speed atomic force microscopy   pp525 - 529 Ignacio Casuso, Jonathan Khao, Mohamed Chami, Perrine Paul-Gilloteaux, Mohamed Husain, Jean-Pierre Duneau, Henning Stahlberg, James N. Sturgis and Simon Scheuring doi:10.1038/nnano.2012.109 High-speed atomic force microscopy and molecular simulations are used to form a probability map of the interactions and motions of a protein in a lipid membrane. Vanadium pentoxide nanoparticles mimic vanadium haloperoxidases and thwart biofilm formation   pp530 - 535 Filipe Natalio, Rute André, Aloysius F. Hartog, Brigitte Stoll, Klaus Peter Jochum, Ron Wever and Wolfgang Tremel doi:10.1038/nnano.2012.91 Similar to certain enzymes, vanadium pentoxide nanowires show antibacterial activity and can prevent the colonization of marine microorganisms on surfaces such as ship hulls. Article Top Shear-stress sensitive lenticular vesicles for targeted drug delivery   pp536 - 543 Margaret N. Holme, Illya A. Fedotenko, Daniel Abegg, Jasmin Althaus, Lucille Babel, France Favarger, Renate Reiter, Radu Tanasescu, Pierre-Léonard Zaffalon, André Ziegler, Bert Müller, Till Saxer and Andreas Zumbuehl doi:10.1038/nnano.2012.84 Lentil-shaped phospholipid vesicles are sensitive to shear stress, offering a new class of materials that can deliver drugs in response to rheological changes in the body. See also: News and Views by Barenholz Erratum Top Real-time single-molecule imaging of quantum interference   p544 Thomas Juffmann, Adriana Milic, Michael Mullneritsch, Peter Asenbaum, Alexander Tsukernik, Jens Tuxen, Marcel Mayor, Ori Cheshnovsky and Markus Arndt doi:10.1038/nnano.2012.141 Top Advertisement Feel like your paper is lost in a sea of submissions? 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