Nature Materials contents: June 2016 Volume 15 Number 6 pp 589-685

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TABLE OF CONTENTS June 2016 Volume 15, Issue 6 Editorial Correspondence News and Views Letters Articles Advertisement nature.com webcasts Nature Publishing Group presents a custom webcast on: Overcoming current challenges with 3D cell culturing Wednesday June 15, 2016 8AM PDT, 11AM EDT, 4PM BST, 5PM CEST  Register for the webcast and live Q&A session Sponsored by:  Lonza Bioscience Solutions Custom webcast: sponsor retains sole responsibility for content Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement ESOF brings together ground-breaking research in material science including 2D materials and the use of nanomaterials for our health. Find out how graphene will change technology in the future and how humans can prevent and possibly cure diseases by augmenting our biological systems with nanomaterials. But, as with everything, there is an ethical side to these advancements – come and watch the debate unfold in Manchester this July. Register to attend here!   Advertisement npj Clean Water: open for submissions  An open access, online-only journal, dedicated to publishing high-quality papers that describe the significant and cutting-edge research that continues to ensure the supply of clean water to populations. Explore the benefits of submitting your next manuscript.   Advertisement MATERIALS FOR ENERGY 2016 Presented by: Wuhan University of Technology | Nature Energy | Nature Materials | Nature The conference will feature sessions on electrochemical energy storage, solar energy conversion, and emerging materials and devices. June 11-14, 2016 | Wuhan, China REGISTER NOW   Editorial Top Seeing the bigger picture   p589 doi:10.1038/nmat4651 British and European science shall each benefit from continued UK membership of the European Union. Correspondence Top Optical activity from racemates   pp591 - 592 Romain Gautier, Jordan M. Klingsporn, Richard P. Van Duyne and Kenneth R. Poeppelmeier doi:10.1038/nmat4628 News and Views Top Ultrafast spectroscopy: A glimpse of spin motion   pp593 - 594 Fabrizio Carbone doi:10.1038/nmat4647 Ultrashort pulses of X-rays from a free-electron laser capture the spatiotemporal evolution of spins in the different crystallographic directions of a complex magnetic material. See also: Letter by Dean et al. Organic electronics: Efficiency through dilution   pp594 - 595 Jonathan Rivnay doi:10.1038/nmat4632 The detrimental effects of charge trapping in organic semiconductors can be minimized by diluting the electroactive polymer in an insulating host. See also: Article by Abbaszadeh et al. Tissue engineering: Signals from within   pp596 - 597 Milica Radisic doi:10.1038/nmat4648 A regenerative cardiac patch with integrated freestanding electrodes allows the electrical stimulation and recording of cardiomyocyte growth and activity, with on-demand drug delivery. See also: Article by Feiner et al. Tissue engineering: Scalable vascularized implants   pp597 - 599 Ying Zheng and Meredith A. Roberts doi:10.1038/nmat4637 Biodegradable and perfusable scaffolds enable the fabrication of implantable, millimetre-scale cardiac and hepatic tissue models. See also: Article by Zhang et al. Exciton–polariton condensates: Exciton-mediated superconductivity   pp599 - 600 Alexey Kavokin and Pavlos Lagoudakis doi:10.1038/nmat4646 Laser-generated exciton–polariton condensates in transition metal dichalcogenide heterostructures may trigger Cooper pairing of electrons and induce high-temperature superconductivity. Material Witness: Engines of imagination   p600 Philip Ball doi:10.1038/nmat4650 Materials JOBS of the week Postdoctoral Fellowships in Cancer Immunotherapy and Drug Delivery Vanderbilt University Assistant Professor, Associate Professor, or Professor Johns Hopkins University Assistant / Associate / Full Professor Abdullah Gul University More Science jobs from Materials EVENT 11th International Conference On Physics Of Advanced Materials (ICPAM-11) 08.09.16 Cluj-Napoca, Romania More science events from Letters Top Ultrafast energy- and momentum-resolved dynamics of magnetic correlations in the photo-doped Mott insulator Sr2IrO4   pp601 - 605 M. P. M. Dean, Y. Cao, X. Liu, S. Wall, D. Zhu et al. doi:10.1038/nmat4641 The dynamics of the magnetic correlations after photo-doping Sr2IrO4 are studied through ultrafast time-resolved resonant inelastic X-ray spectroscopy. The timescales are found to depend on the dimensionality of the correlations. See also: News and Views by Carbone Elastically driven cooperative response of a molecular material impacted by a laser pulse   pp606 - 610 Roman Bertoni, Maciej Lorenc, Hervé Cailleau, Antoine Tissot, Jérôme Laisney et al. doi:10.1038/nmat4606 A cooperative elastic response leads to stabilization of the volume change after light-induced switching of a spin-crossover crystal. Scalable water splitting on particulate photocatalyst sheets with a solar-to-hydrogen energy conversion efficiency exceeding 1%   pp611 - 615 Qian Wang, Takashi Hisatomi, Qingxin Jia, Hiromasa Tokudome, Miao Zhong et al. doi:10.1038/nmat4589 Photocatalytic water splitting using semiconductors is attractive for converting solar energy into hydrogen. An efficient and scalable system based on particulate photocatalyst sheets is now shown to exhibit energy conversion efficiency exceeding 1%. Advertisement npj Quantum Materials is a new open access journal that is now open for submissions. The journal publishes broad coverage of quantum materials, their fundamental properties, fabrication and applications.  Sign up for free article e-alerts   Articles Top Orbital symmetry of charge-density-wave order in La1.875Ba0.125CuO4 and YBa2Cu3O6.67   pp616 - 620 A. J. Achkar, F. He, R. Sutarto, Christopher McMahon, M. Zwiebler et al. doi:10.1038/nmat4568 Resonant soft X-ray scattering characterization of the cuprate superconductors La1.875Ba0.125CuO4 and YBa2Cu3O6.67 shows that the orbital symmetry of the charge density waves is a key feature determining their properties. Extreme sensitivity biosensing platform based on hyperbolic metamaterials   pp621 - 627 Kandammathe Valiyaveedu Sreekanth, Yunus Alapan, Mohamed ElKabbash, Efe Ilker, Michael Hinczewski et al. doi:10.1038/nmat4609 A highly sensitive plasmonic biosensor, based on hyperbolic metamaterials, can detect biomolecules of ultralow molecular weight at picomolar concentrations. Elimination of charge carrier trapping in diluted semiconductors   pp628 - 633 D. Abbaszadeh, A. Kunz, G. A. H. Wetzelaer, J. J. Michels, N. I. Crăciun et al. doi:10.1038/nmat4626 By diluting conjugated polymers in high-bandgap host matrices it is shown that electron trapping effects can be significantly reduced. This approach is used to fabricate polymer LEDs with enhanced efficiency and reduced fabrication costs. See also: News and Views by Rivnay Confined linear carbon chains as a route to bulk carbyne   pp634 - 639 Lei Shi, Philip Rohringer, Kazu Suenaga, Yoshiko Niimi, Jani Kotakoski et al. doi:10.1038/nmat4617 One-dimensional linear carbon chains reaching a length close to 800 nm have been synthesized at high temperature and high vacuum using double-walled carbon nanotubes as nanoreactors. Coordination polymer structure and revisited hydrogen evolution catalytic mechanism for amorphous molybdenum sulfide   pp640 - 646 Phong D. Tran, Thu V. Tran, Maylis Orio, Stephane Torelli, Quang Duc Truong et al. doi:10.1038/nmat4588 Molybdenum sulfides are attractive electrocatalysts for the hydrogen evolution reaction. The polymeric structure of amorphous molybdenum sulfide can now be formulated as a coordination polymer based on [Mo3S132−] clusters sharing disulfide ligands. Structured light enables biomimetic swimming and versatile locomotion of photoresponsive soft microrobots   pp647 - 653 Stefano Palagi, Andrew G. Mark, Shang Yik Reigh, Kai Melde, Tian Qiu et al. doi:10.1038/nmat4569 Soft biomimetic microswimmers and microrobots made of photoactive liquid-crystal elastomers and whose body shape is controlled by structured light are able to self-propel and perform complex motion patterns on demand. Lattice engineering through nanoparticle–DNA frameworks   pp654 - 661 Ye Tian, Yugang Zhang, Tong Wang, Huolin L. Xin, Huilin Li et al. doi:10.1038/nmat4571 Designed DNA-based polyhedral frames, whose vertices are connected to nanoparticles, facilitate their self-assembly into predetermined crystalline and open three-dimensional lattices. Paramagnetic fluorinated nanoemulsions for sensitive cellular fluorine-19 magnetic resonance imaging   pp662 - 668 Alexander A. Kislukhin, Hongyan Xu, Stephen R. Adams, Kazim H. Narsinh, Roger Y. Tsien et al. doi:10.1038/nmat4585 New paramagnetic fluorinated nanoemulsions significantly enhance the detection sensitivity of MRI compared with alternative fluorine-19 tracers. Biodegradable scaffold with built-in vasculature for organ-on-a-chip engineering and direct surgical anastomosis   pp669 - 678 Boyang Zhang, Miles Montgomery, M. Dean Chamberlain, Shinichiro Ogawa, Anastasia Korolj et al. doi:10.1038/nmat4570 Biodegradable, perfusable scaffolds are able to generate both in vitro cardiac and hepatic vascularized tissue models and in vivo implants for direct surgical anastomosis. See also: News and Views by Zheng & Roberts Engineered hybrid cardiac patches with multifunctional electronics for online monitoring and regulation of tissue function   pp679 - 685 Ron Feiner, Leeya Engel, Sharon Fleischer, Maayan Malki, Idan Gal et al. doi:10.1038/nmat4590 Integrating multifunctional electronics with engineered cardiac patches enables the recording of cellular electrical activities, and on-demand provision of electrical stimulation and release of drugs. See also: News and Views by Radisic Advertisement npj Computational Materials is a new online only, fully open access journal dedicated to publishing the finest articles on materials by design and integrated computational and experimental materials research.  Now open for submission   Top Advertisement Nature Partner Journals: a new home for your research  Over the last two years we have collaborated with over 20 internationally renowned partner organizations to publish cutting-edge open articles in disciplines covering all aspects of research science. Visit our interactive timeline to explore the Nature Partner Journals series and our highlights and milestones so far.    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. 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