Table of contents

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Keeping the public under the microscope p695


New research confirms that the proportion of the public that knows about nanotechnology has reached a plateau, which means that it is now necessary to develop new approaches to explore public perceptions in greater detail than before.

Subject term: Ethical, legal and other societal issues



God in the lab pp696 - 697

Chris Toumey


Surveys have found that almost half of all scientists in the US are religious. Chris Toumey explores what this might mean for nanotechnology.

Subject term: Ethical, legal and other societal issues



Nanoparticles offer hope for TB detection pp698 - 699

Ai Lin Chun


Combining magnetic nanoparticles, microfluidics and nuclear magnetic resonance could transform the way tuberculosis and other diseases are diagnosed.

Subject term: Nanomedicine


Research Highlights

Our choice from the recent literature pp700 - 701


Top down bottom up: Ring cycle p701


The cooling rates of fullerene ions have been measured at a storage ring in Japan.

Subject term: Carbon nanotubes and fullerenes


News and Views

Polymers: Performing under pressure pp703 - 704

Thomas P. Russell & Dong Hyun Lee


Most probe-based approaches to data storage rely on heating a polymer substrate with a tip, but a new approach relies on pressure instead.

Subject terms: Electronic properties and devices | Nanomaterials | Surface patterning and imaging

See also: Letter by Jo et al.

Optomechanical crystals: Periodic nanobeams bring light and sound together p704

Owain Vaughan


Subject terms: NEMS | Photonic structures and devices

Nanotechnology and society: The evolution of risk perceptions pp705 - 706

Dan M. Kahan


A meta-analysis of surveys about public perceptions of the risks and benefits associated with nanotechnology suggests that further research is needed to help us better understand and, perhaps, inform public attitudes to nanotechnology.

Subject term: Ethical, legal and other societal issues

See also: Article by Satterfield et al.

Nanophotonics: Lasers go beyond diffraction limit pp706 - 707

Martin T. Hill


Two groups of researchers have shown that the minimum size of a laser need not be restricted by the wavelength of light it emits, provoking a rethink of what optics and lasers can do at the nanoscale.

Subject term: Photonic structures and devices

Nanophotonics: Free electrons get light out of a hole pp707 - 708

Gordon Robb


A device called a light well might form the basis of a tunable nanoscale laser.

Subject term: Photonic structures and devices

Nanotoxicology: New insights into nanotubes pp708 - 710

Ken Donaldson & Craig A. Poland


Multiwalled carbon nanotubes inhaled by mice can reach the outer lining of the lungs and cause scarring.

Subject term: Environmental, health and safety issues

See also: Letter by Ryman-Rasmussen et al.

Bioimaging: Second window for in vivo imaging pp710 - 711

Andrew M. Smith, Michael C. Mancini & Shuming Nie


Enhanced fluorescence from carbon nanotubes and advances in near-infrared cameras have opened up a new wavelength window for small animal imaging.

Subject term: Nanomedicine

See also: Article by Welsher et al.



Principles and applications of nanofluidic transport pp713 - 720

W. Sparreboom, A. van den Berg & J. C. T. Eijkel


The emergence of new fluid phenomena at the nanoscale will have applications in separation science and energy conversion.

Subject term: Nanofluidics



Self-assembly of soft nanoparticles with tunable patchiness pp721 - 726

Thomas M. Hermans, Maarten A. C. Broeren, Nikos Gomopoulos, Paul van der Schoot, Marcel H. P. van Genderen, Nico A. J. M. Sommerdijk, George Fytas & E. W. Meijer


Nanoparticles with dynamic patches can form reversible self-assembled structures in aqueous solution that become topologically more connected on dilution.

Subject terms: Molecular self-assembly | Nanoparticles

Ultrahigh-density phase-change data storage without the use of heating pp727 - 731

Ara Jo, Wonchul Joo, Won-Hyeog Jin, Hyojin Nam & Jin Kon Kim


A data-storage density of 1 Tb in−2 has been demonstrated in phase-change memory without the use of heating.

Subject terms: Electronic properties and devices | Nanomaterials | Surface patterning and imaging

See also: News and Views by Russell & Lee

Strain engineering and one-dimensional organization of metal–insulator domains in single-crystal vanadium dioxide beams pp732 - 737

J. Cao, E. Ertekin, V. Srinivasan, W. Fan, S. Huang, H. Zheng, J. W. L. Yim, D. R. Khanal, D. F. Ogletree, J. C. Grossman & J. Wu


Strain has been used to engineer the structure of metallic and insulating domains in vanadium dioxide, such that a Mott transition can take place at room temperature.

Subject terms: Electronic properties and devices | NEMS | Structural properties

Electrochromatic carbon nanotube/polydiacetylene nanocomposite fibres pp738 - 741

Huisheng Peng, Xuemei Sun, Fangjing Cai, Xuli Chen, Yinchao Zhu, Guipan Liao, Daoyong Chen, Qingwen Li, Yunfeng Lu, Yuntian Zhu & Quanxi Jia


Nanocomposite fibres that display rapid and reversible changes of colour when an electric current is passed through them could have applications in sensing.

Subject terms: Electronic properties and devices | Nanomaterials | Organic-inorganic nanostructures

Selective and sensitive detection of metal ions by plasmonic resonance energy transfer-based nanospectroscopy pp742 - 746

Yeonho Choi, Younggeun Park, Taewook Kang & Luke P. Lee


Metal-ion detection on the basis of plasmonic resonance energy transfer is proposed and demonstrated in a proof-of-concept experiment by detecting copper ions down to one nanomole with high selectively.

Subject term: Nanosensors and other devices

Inhaled carbon nanotubes reach the subpleural tissue in mice pp747 - 751

Jessica P. Ryman-Rasmussen, Mark F. Cesta, Arnold R. Brody, Jeanette K. Shipley-Phillips, Jeffrey I. Everitt, Earl W. Tewksbury, Owen R. Moss, Brian A. Wong, Darol E. Dodd, Melvin E. Andersen & James C. Bonner


Multiwalled carbon nanotubes inhaled by mice reach the outer lining of the lungs and cause unique pathological changes.

Subject term: Environmental, health and safety issues

See also: News and Views by Donaldson & Poland



Anticipating the perceived risk of nanotechnologies pp752 - 758

Terre Satterfield, Milind Kandlikar, Christian E. H. Beaudrie, Joseph Conti & Barbara Herr Harthorn


A meta-analysis of surveys of public attitudes to nanotechnology reveals that public perceptions are malleable, so new methods for understanding future responses need to be developed.

Subject term: Ethical, legal and other societal issues

See also: News and Views by Kahan

All-electric quantum point contact spin-polarizer pp759 - 764

P. Debray, S. M. S. Rahman, J. Wan, R. S. Newrock, M. Cahay, A. T. Ngo, S. E. Ulloa, S. T. Herbert, M. Muhammad & M. Johnson


Experimental evidence is presented showing that strong spin polarization in side-gated quantum point contacts can be achieved electrically, making these structures attractive for future spintronic applications.

Subject term: Nanomagnetism and spintronics

Translocation of double-stranded DNA through membrane-adapted phi29 motor protein nanopores pp765 - 772

David Wendell, Peng Jing, Jia Geng, Varuni Subramaniam, Tae Jin Lee, Carlo Montemagno & Peixuan Guo


Proteins isolated from a specific type of virus have channels that are wide enough to allow double-stranded DNA to pass through, offering a new conductive biological pore for various applications including DNA sequencing.

Subject term: Nanobiotechnology

A route to brightly fluorescent carbon nanotubes for near-infrared imaging in mice pp773 - 780

Kevin Welsher, Zhuang Liu, Sarah P. Sherlock, Joshua Tucker Robinson, Zhuo Chen, Dan Daranciang & Hongjie Dai


Single-walled carbon nanotubes can be modified into bright and biocompatible agents for high resolution whole-animal imaging at wavelengths in the 1100–1700 nm region.

Subject terms: Electronic properties and devices | Nanomaterials | Organic-inorganic nanostructures

See also: News and Views by Smith et al.


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