The responsibilities of authors - p331

doi:10.1038/nnano.2009.125

Changes to our policies on authorship reflect the need for greater clarity about the contributions made by different authors to research papers.

Full Text - The responsibilities of authors | PDF (95 KB) - The responsibilities of authors

How can ab initio simulations address risks in nanotech? - pp332 - 335

Amanda S. Barnard

doi:10.1038/nnano.2009.126

Discussions of the potential risks and hazards associated with nanomaterials and nanoparticles tend to focus on the need for further experiments. However, theoretical and computational nanoscientists could also contribute by making their calculations more relevant to research into this area.

Full Text - How can ab initio simulations address risks in nanotech? | PDF (325 KB) - How can ab initio simulations address risks in nanotech?

Are you a responsible nanoscientist? - p336

Richard Jones

doi:10.1038/nnano.2009.127

Various codes of conduct have been proposed for nanotechnology — Richard Jones examines what they mean for individual researchers.

Full Text - Are you a responsible nanoscientist? | PDF (98 KB) - Are you a responsible nanoscientist?

Notes on a scientific scandal - p337

Plastic Fantastic: How the Biggest Fraud in Physics Shook the Scientific World by Eugenie Samuel Reich

doi:10.1038/nnano.2009.129

Full Text - Notes on a scientific scandal | PDF (128 KB) - Notes on a scientific scandal

Our choice from the recent literature - pp338 - 339

doi:10.1038/nnano.2009.130

Full Text - Our choice from the recent literature | PDF (187 KB) - Our choice from the recent literature

Top down bottom up: Blood ties - p339

doi:10.1038/nnano.2009.131

Magnetic nanoparticles are useful tools for tissue engineering and regeneration.

Full Text - Top down bottom upBlood ties | PDF (95 KB) - Top down bottom upBlood ties

Nanomaterials: Viruses electrify battery research - pp341 - 342

Jean-Marie Tarascon

doi:10.1038/nnano.2009.137

A new approach to making battery electrodes with the help of genetically engineered viruses could reduce costs and improve environmental sustainability.

Full Text - NanomaterialsViruses electrify battery research | PDF (192 KB) - NanomaterialsViruses electrify battery research

Toxicology: Testing in the third dimension - pp342 - 343

Molly M. Stevens

doi:10.1038/nnano.2009.136

Experiments with a new three-dimensional model of liver tissue find that the toxic effects of nanoparticles are reduced when compared with tests that use two-dimensional models.

Full Text - ToxicologyTesting in the third dimension | PDF (531 KB) - ToxicologyTesting in the third dimension

Nanophotonics: Gradient force shows its potential - pp344 - 345

Mark Freeman & Wayne Hiebert

doi:10.1038/nnano.2009.132

An all-optical chip-based method has been used to actuate and detect the motion of silicon nanocantilevers. Multiplexed read-out has also been demonstrated.

Full Text - NanophotonicsGradient force shows its potential | PDF (279 KB) - NanophotonicsGradient force shows its potential

Separation materials: Proteins make for finer filters - pp345 - 346

Olgica Bakajin & Aleksandr Noy

doi:10.1038/nnano.2009.133

Protein-based membranes can cope with water fluxes much higher than those that can be handled by commercial membranes with similar rejection properties.

Full Text - Separation materialsProteins make for finer filters | PDF (319 KB) - Separation materialsProteins make for finer filters

Superconductivity: Flat out - p346

Peter Rodgers

doi:10.1038/nnano.2009.123

Full Text - SuperconductivityFlat out | PDF (159 KB) - SuperconductivityFlat out

Quantum dots: When a barrier is not an obstacle - pp347 - 348

Mahn-Soo Choi

doi:10.1038/nnano.2009.134

Electrons in ultraclean carbon nanotubes can tunnel through barriers in a way not previously observed for particles with mass in condensed-matter physics experiments.

Full Text - Quantum dotsWhen a barrier is not an obstacle | PDF (107 KB) - Quantum dotsWhen a barrier is not an obstacle

Modular construction of DNA nanotubes of tunable geometry and single- or double-stranded character - pp349 - 352

Faisal A. Aldaye, Pik Kwan Lo, Pierre Karam, Christopher K. McLaughlin, Gonzalo Cosa & Hanadi F. Sleiman

doi:10.1038/nnano.2009.72

Abstract - Modular construction of DNA nanotubes of tunable geometry and single- or double-stranded character | Full Text - Modular construction of DNA nanotubes of tunable geometry and single- or double-stranded character | PDF (764 KB) - Modular construction of DNA nanotubes of tunable geometry and single- or double-stranded character | Supplementary information

Subject Categories: Molecular self-assembly | Structural properties

Ultrafast permeation of water through protein-based membranes - pp353 - 357

Xinsheng Peng, Jian Jin, Yoshimichi Nakamura, Takahisa Ohno & Izumi Ichinose

doi:10.1038/nnano.2009.90

Abstract - Ultrafast permeation of water through protein-based membranes | Full Text - Ultrafast permeation of water through protein-based membranes | PDF (644 KB) - Ultrafast permeation of water through protein-based membranes | Supplementary information

Subject Categories: Nanobiotechnology | Nanofluidics | Structural properties

See also: News and Views by Bakajin & Noy

Alternating patterns on single-walled carbon nanotubes - pp358 - 362

Bing Li, Lingyu Li, Bingbing Wang & Christopher Y. Li

doi:10.1038/nnano.2009.91

Abstract - Alternating patterns on single-walled carbon nanotubes | Full Text - Alternating patterns on single-walled carbon nanotubes | PDF (3,801 KB) - Alternating patterns on single-walled carbon nanotubes | Supplementary information

Subject Categories: Carbon nanotubes and fullerenes | Surface patterning and imaging

Tunable few-electron double quantum dots and Klein tunnelling in ultraclean carbon nanotubes - pp363 - 367

G. A. Steele, G. Gotz & L. P. Kouwenhoven

doi:10.1038/nnano.2009.71

Abstract - Tunable few-electron double quantum dots and Klein tunnelling in ultraclean carbon nanotubes | Full Text - Tunable few-electron double quantum dots and Klein tunnelling in ultraclean carbon nanotubes | PDF (2,481 KB) - Tunable few-electron double quantum dots and Klein tunnelling in ultraclean carbon nanotubes | Supplementary information

Subject Categories: Carbon nanotubes and fullerenes | Nanomagnetism and spintronics

See also: News and Views by Choi

The crossover from two dimensions to one dimension in granular electronic materials - pp368 - 372

Ke Xu, Lidong Qin & James R. Heath

doi:10.1038/nnano.2009.81

Abstract - The crossover from two dimensions to one dimension in granular electronic materials | Full Text - The crossover from two dimensions to one dimension in granular electronic materials | PDF (608 KB) - The crossover from two dimensions to one dimension in granular electronic materials | Supplementary information

Subject Categories: Electronic properties and devices | Nanoparticles

Direct measurement of electrical conductance through a self-assembled molecular layer - pp373 - 376

F. Song, J. W. Wells, K. Handrup, Z. S. Li, S. N. Bao, K. Schulte, M. Ahola-Tuomi, L. C. Mayor, J. C. Swarbrick, E. W. Perkins, L. Gammelgaard & Ph. Hofmann

doi:10.1038/nnano.2009.82

Abstract - Direct measurement of electrical conductance through a self-assembled molecular layer | Full Text - Direct measurement of electrical conductance through a self-assembled molecular layer | PDF (564 KB) - Direct measurement of electrical conductance through a self-assembled molecular layer | Supplementary information

Subject Categories: Electronic properties and devices | Molecular self-assembly | Surface patterning and imaging

Broadband all-photonic transduction of nanocantilevers - pp377 - 382

Mo Li, W. H. P. Pernice & H. X. Tang

doi:10.1038/nnano.2009.92

Abstract - Broadband all-photonic transduction of nanocantilevers | Full Text - Broadband all-photonic transduction of nanocantilevers | PDF (686 KB) - Broadband all-photonic transduction of nanocantilevers

Subject Categories: NEMS | Photonic structures and devices

See also: News and Views by Freeman & Hiebert

Trilayer graphene is a semimetal with a gate-tunable band overlap - pp383 - 388

M. F. Craciun, S. Russo, M. Yamamoto, J. B. Oostinga, A. F. Morpurgo & S. Tarucha

doi:10.1038/nnano.2009.89

Abstract - Trilayer graphene is a semimetal with a gate-tunable band overlap | Full Text - Trilayer graphene is a semimetal with a gate-tunable band overlap | PDF (762 KB) - Trilayer graphene is a semimetal with a gate-tunable band overlap | Supplementary information

Subject Category: Electronic properties and devices

Atomic force microscopy detects differences in the surface brush of normal and cancerous cells - pp389 - 393

S. Iyer, R. M. Gaikwad, V. Subba-Rao, C. D. Woodworth & Igor Sokolov

doi:10.1038/nnano.2009.77

Abstract - Atomic force microscopy detects differences in the surface brush of normal and cancerous cells | Full Text - Atomic force microscopy detects differences in the surface brush of normal and cancerous cells | PDF (1,734 KB) - Atomic force microscopy detects differences in the surface brush of normal and cancerous cells | Supplementary information

Subject Category: Nanosensors and other devices