Nature Nanotechnology Contents April 2018 Volume 13 Number 4 pp269 - 352

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Advertisement Combined Spectrometer / Microscope  Time-resolved fluorescence spectroscopy is a valuable tool for investigating excited state dynamics in semiconductors. By interfacing a spectrometer like the FluoTime 300 with a microscope such as the MicroTime 100, one can easily record time-, space-, and spectrally resolved luminescence spectra.  Find out what happens within your sample! TABLE OF CONTENTS April 2018 Volume 13, Issue 4 Editorial Thesis Research Highlights News & Views Perspectives Letters Articles In the Classroom   Advertisement   High Voltage Power Supplies Selection Guide What questions should you be answering when choosing a high voltage power supply? This guide outlines the key specifications to cover in your high voltage power supply selection process to ensure you are picking a correctly specified product to avoid the risks of development delays, increased costs, and slow time-to-market.   Advertisement KACST Impact KACST Impact is a new online publication highlighting the latest cutting edge scientific research conducted at King Abdulaziz City for Science and Technology (KACST) that features various stories ranging from exciting new scientific finds to the commercialization of innovative discoveries.  Learn more »   Editorial   2D magnetism gets hot    p269 doi:10.1038/s41565-018-0128-9 Quantum dots on your mind    p269 doi:10.1038/s41565-018-0129-8 Thesis   Denominational interpretations of nanotech    pp270 - 271 Chris Toumey doi:10.1038/s41565-018-0116-0 Research Highlights   A tailored snip    p272 Chiara Pastore doi:10.1038/s41565-018-0124-0 A new metallene arrival    p272 Olga Bubnova doi:10.1038/s41565-018-0125-z Sensing hot electrons    p272 Benjamin Heinrich doi:10.1038/s41565-018-0126-y Scalable thermal insulator    p272 Wenjie Sun doi:10.1038/s41565-018-0127-x News & Views   Low-energy desalination    pp273 - 274 Huanting Wang doi:10.1038/s41565-018-0118-y Continuously revolving patterns    pp274 - 275 David Bléger doi:10.1038/s41565-018-0076-4 Charge transport in the inverted Marcus region    pp276 - 277 Joshua Hihath doi:10.1038/s41565-018-0115-1 Nature Nanotechnology JOBS of the week Master and Doctoral Courses Toyo University Postdoctoral position in nanomedicine: drug delivery and imaging University of California, San Diego ( UCSD ) PhD Program Ecole Polytechnique More Science jobs from Nature Nanotechnology EVENT 3rd Functional DNA Nanotechnology Workshop 06.06.18 Rome, Italy More science events from Perspectives   Evaluating the potential of using quantum dots for monitoring electrical signals in neurons    pp278 - 288 Alexander L. Efros, James B. Delehanty, Alan L. Huston, Igor L. Medintz, Mladen Barbic et al. doi:10.1038/s41565-018-0107-1 Letters   Strong room-temperature ferromagnetism in VSe2 monolayers on van der Waals substrates    pp289 - 293 Manuel Bonilla, Sadhu Kolekar, Yujing Ma, Horacio Coy Diaz, Vijaysankar Kalappattil et al. doi:10.1038/s41565-018-0063-9 Reducing the dimensionality of paramagnetic VSe2 results in the emergence of ferromagnetism that is observed in a monolayer and up to room temperature.   Spatially controlled doping of two-dimensional SnS2 through intercalation for electronics    pp294 - 299 Yongji Gong, Hongtao Yuan, Chun-Lan Wu, Peizhe Tang, Shi-Ze Yang et al. doi:10.1038/s41565-018-0069-3 Intercalation of copper and cobalt atoms into n-type SnS2 enables seamless integration of metal, and n- and p-type semiconductors in one parent 2D material.   Giant photoeffect in proton transport through graphene membranes    pp300 - 303 Marcelo Lozada-Hidalgo, Sheng Zhang, Sheng Hu, Vasyl G. Kravets, Francisco J. Rodriguez et al. doi:10.1038/s41565-017-0051-5 Proton transport through catalytically activated graphene membranes can be strongly enhanced by visible light.   Revolving supramolecular chiral structures powered by light in nanomotor-doped liquid crystals    pp304 - 308 Tetiana Orlova, Federico Lancia, Charles Loussert, Supitchaya Iamsaard, Nathalie Katsonis et al. doi:10.1038/s41565-017-0059-x When a helix-based liquid crystal that incorporates molecular motors is illuminated locally with intensity above a certain threshold, a continuous, regular and unidirectional rotation emerges.   Genetic programs can be compressed and autonomously decompressed in live cells    pp309 - 315 Nicolas Lapique & Yaakov Benenson doi:10.1038/s41565-017-0004-z The DNA footprint of synthetic gene circuits can be compressed and decompressed in human cells using reversible recombinase reactions.   Advertisement Do you have a career question?  The Naturejobs podcast features one-on-one Q&As, panel discussions and other exclusive content to help scientists with their careers. Hosted on the Naturejobs blog, the podcast is also available on iTunes and Soundcloud. Listen today!   Articles   Charge splitters and charge transport junctions based on guanine quadruplexes    pp316 - 321 Ruojie Sha, Limin Xiang, Chaoren Liu, Alexander Balaeff, Yuqi Zhang et al. doi:10.1038/s41565-018-0070-x Guanine-quadruplex motifs form multi-ended DNA junctions that transport electrical charges with minimal losses.   Transition from direct to inverted charge transport Marcus regions in molecular junctions via molecular orbital gating    pp322 - 329 Li Yuan, Lejia Wang, Alvar R. Garrigues, Li Jiang, Harshini Venkata Annadata et al. doi:10.1038/s41565-018-0068-4 Charge transport in molecular junctions can be incoherent, yet virtually independent of temperature.   Confinement-induced liquid crystalline transitions in amyloid fibril cholesteric tactoids    pp330 - 336 Gustav Nyström, Mario Arcari & Raffaele Mezzenga doi:10.1038/s41565-018-0071-9 Left-handed amyloid fibrils form nematic and right-handed cholesteric tactoids with confinement-induced transitions from an ordered to an ordered state.   2D MoS2 as an efficient protective layer for lithium metal anodes in high-performance Li–S batteries    pp337 - 344 Eunho Cha, Mumukshu D. Patel, Juhong Park, Jeongwoon Hwang, Vish Prasad et al. doi:10.1038/s41565-018-0061-y An ~10-nm-thick MoS2 layer stabilizes lithium metal anodes and the composite can be used in full-cell Li–S batteries with enhanced performances.   High-flux water desalination with interfacial salt sieving effect in nanoporous carbon composite membranes    pp345 - 350 Wei Chen, Shuyu Chen, Tengfei Liang, Qiang Zhang, Zhongli Fan et al. doi:10.1038/s41565-018-0067-5 Nanoporous carbon composite membranes exhibit 100% salt rejection and high water flux due to the interfacial sieving effect and the fast transport of vapour in carbon pores, respectively.   In the Classroom   Science and style    p352 Giacomo Prando doi:10.1038/s41565-018-0114-2 Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. The digital version is available here. Find the latest scientific conferences, courses, meetings and symposia on natureevents.com. For event advertising opportunities across the Nature Publishing Group portfolio please contact natureevents@nature.com More Nature Events

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