Optics and photonics

  • Article
    | Open Access

    Particle manipulation is still challenging even with the many tools available, especially manipulating particles on a surface. Here, the authors report a technique for nanomanipulation of various objects on solid substrates by modulating particle-substrate interactions through laser-induced opto-thermal dynamics.

    • Jingang Li
    • , Yaoran Liu
    • , Linhan Lin
    • , Mingsong Wang
    • , Taizhi Jiang
    • , Jianhe Guo
    • , Hongru Ding
    • , Pavana Siddhartha Kollipara
    • , Yuji Inoue
    • , Donglei Fan
    • , Brian A. Korgel
    •  & Yuebing Zheng
  • Article
    | Open Access

    Here, the authors report parametric down-conversion of X-rays into long wavelength radiation in gallium arsenide and lithium niobate crystals, with efficiencies about 4 orders of magnitude stronger than the efficiencies measured in any material studied previously. They explore the lack of inversion symmetry as a possible physical mechanism.

    • S. Sofer
    • , O. Sefi
    • , E. Strizhevsky
    • , H. Aknin
    • , S. P. Collins
    • , G. Nisbet
    • , B. Detlefs
    • , Ch. J. Sahle
    •  & S. Shwartz
  • Article
    | Open Access

    Calcium carbonate biomineralisation has long been linked to acidic macromolecules. Here, the authors challenge this view and show that a huge number of gold nanoparticles coated with hydroxyl-rich proteins can be incorporated into a calcium carbonate crystal while maintaining single crystal character.

    • Yi-Yeoun Kim
    • , Robert Darkins
    • , Alexander Broad
    • , Alexander N. Kulak
    • , Mark A. Holden
    • , Ouassef Nahi
    • , Steven P. Armes
    • , Chiu C. Tang
    • , Rebecca F. Thompson
    • , Frederic Marin
    • , Dorothy M. Duffy
    •  & Fiona C. Meldrum
  • Article
    | Open Access

    Organoid cultures have been developed from multiple tissues, opening new possibilities for regenerative medicine. Here the authors demonstrate the derivation of GMP-compliant hydrogels from decellularized porcine small intestine which support formation and growth of human gastric, liver, pancreatic and small intestinal organoids.

    • Giovanni Giuseppe Giobbe
    • , Claire Crowley
    • , Camilla Luni
    • , Sara Campinoti
    • , Moustafa Khedr
    • , Kai Kretzschmar
    • , Martina Maria De Santis
    • , Elisa Zambaiti
    • , Federica Michielin
    • , Laween Meran
    • , Qianjiang Hu
    • , Gijs van Son
    • , Luca Urbani
    • , Anna Manfredi
    • , Monica Giomo
    • , Simon Eaton
    • , Davide Cacchiarelli
    • , Vivian S. W. Li
    • , Hans Clevers
    • , Paola Bonfanti
    • , Nicola Elvassore
    •  & Paolo De Coppi
  • Article
    | Open Access

    Mathematical approaches for simultaneous characterisation of localized and extended fields in optical signals are not well developed. Here, the authors demonstrate the application of the Nonlinear Fourier transform approach based on the Zakharov-Shabat spectral problem for the analysis of fibre laser radiation.

    • Srikanth Sugavanam
    • , Morteza Kamalian Kopae
    • , Junsong Peng
    • , Jaroslaw E. Prilepsky
    •  & Sergei K. Turitsyn
  • Article
    | Open Access

    Artificial nanopores can perform selective gating of molecules analogous to transmembrane proteins. Here, the authors design a DNA origami pore with a controllable lid for size-selective gating and translocation of macromolecules and evaluate its biosensing properties by single particle assay.

    • Rasmus P. Thomsen
    • , Mette Galsgaard Malle
    • , Anders Hauge Okholm
    • , Swati Krishnan
    • , Søren S.-R. Bohr
    • , Rasmus Schøler Sørensen
    • , Oliver Ries
    • , Stefan Vogel
    • , Friedrich C. Simmel
    • , Nikos S. Hatzakis
    •  & Jørgen Kjems
  • Article
    | Open Access

    Biology has often served as the inspiration for the design of body armor; one common limitation is the flexibility of the resultant armor. Here, the authors examine the armour of chiton and use the observed design principles to 3D print flexible armor.

    • Matthew Connors
    • , Ting Yang
    • , Ahmed Hosny
    • , Zhifei Deng
    • , Fatemeh Yazdandoost
    • , Hajar Massaadi
    • , Douglas Eernisse
    • , Reza Mirzaeifar
    • , Mason N. Dean
    • , James C. Weaver
    • , Christine Ortiz
    •  & Ling Li
  • Article
    | Open Access

    Semiconductor quantum dots are controlled by external fields that are tuned in order to optimise for information storage or inter-qubit interaction. Here the authors identify a working point for long-range interactions that can be reached with continuous protection from environmental noise.

    • J. C. Abadillo-Uriel
    • , M. A. Eriksson
    • , S. N. Coppersmith
    •  & Mark Friesen
  • Article
    | Open Access

    Fabricating defect-free micro- and nano-circuits over large scales with controlled interconnections remains a challenge. Here, Bollani et al. show a dewetting strategy for engineering arrays of parallel Si-based nanowires up to 0.75 mm and complex interconnected circuits of monocrystalline Si on a chip.

    • Monica Bollani
    • , Marco Salvalaglio
    • , Abdennacer Benali
    • , Mohammed Bouabdellaoui
    • , Meher Naffouti
    • , Mario Lodari
    • , Stefano Di Corato
    • , Alexey Fedorov
    • , Axel Voigt
    • , Ibtissem Fraj
    • , Luc Favre
    • , Jean Benoit Claude
    • , David Grosso
    • , Giuseppe Nicotra
    • , Antonio Mio
    • , Antoine Ronda
    • , Isabelle Berbezier
    •  & Marco Abbarchi
  • Perspective
    | Open Access

    Diamond colour centres have applications in quantum sensing, quantum communication and other important technologies. Bradac et al. survey the progress made in using group IV defect centres, which are anticipated to have practical advantages over the more commonly-used nitrogen vacancy centres.

    • Carlo Bradac
    • , Weibo Gao
    • , Jacopo Forneris
    • , Matthew E. Trusheim
    •  & Igor Aharonovich
  • Article
    | Open Access

    Mechanical solitons are notoriously difficult to control. Here, the authors report a theoretical framework for programming static periodic topological solitons into a metamaterial, and demonstrate its implementation in real metamaterials computationally and experimentally.

    • Yafei Zhang
    • , Bo Li
    • , Q. S. Zheng
    • , Guy M. Genin
    •  & C. Q. Chen
  • Article
    | Open Access

    Conductive porous carbons are promising for a variety of applications, but simultaneously tuning porosity and conductivity is challenging. Here, the authors develop a green method to fabricate flexible boron-nitrogen-fluorine triply doped carbon nanofibers with high porosity and conductivity.

    • Jianhua Yan
    • , Keqi Dong
    • , Yuanyuan Zhang
    • , Xiao Wang
    • , Ahmed Abdulqawy Aboalhassan
    • , Jianyong Yu
    •  & Bin Ding
  • Article
    | Open Access

    Ni–Fe based compound are known as active electrocatalysts for oxygen evolution reaction, but not a good choice for the other half-reaction of water-splitting. Here the authors report a unique interface between Ni and γ-Fe2O3 that efficiently catalyzes the cathodic hydrogen evolution reaction.

    • Bryan H. R. Suryanto
    • , Yun Wang
    • , Rosalie K. Hocking
    • , William Adamson
    •  & Chuan Zhao
  • Article
    | Open Access

    So far, mostly 2D building blocks have been used to make origami-type multistable metamaterials that can keep their shape when deformed. Here, the authors introduce a local actuation strategy to explore the energy landscape of multistable metamaterials fabricated from 3D prismatic building blocks.

    • Agustin Iniguez-Rabago
    • , Yun Li
    •  & Johannes T. B. Overvelde
  • Article
    | Open Access

    Trypanosoma brucei relies on uptake and conversion of purines from the host, which constitutes a potential drug target. Here, Hulpia et al. combine structural elements from known trypanocidal nucleoside analogues and develop a potent trypanocide with curative activity in animal models of acute and late stage sleeping sickness.

    • Fabian Hulpia
    • , Dorien Mabille
    • , Gustavo D. Campagnaro
    • , Gabriela Schumann
    • , Louis Maes
    • , Isabel Roditi
    • , Anders Hofer
    • , Harry P. de Koning
    • , Guy Caljon
    •  & Serge Van Calenbergh
  • Article
    | Open Access

    Many-body interactions have important consequences for the optoelectronic properties of 2D materials. Here, the authors report on how many-body interactions affect the behavior of the valley-selective optical Stark effect for excitation near the A-exciton resonance in monolayer WS2.

    • Paul D. Cunningham
    • , Aubrey T. Hanbicki
    • , Thomas L. Reinecke
    • , Kathleen M. McCreary
    •  & Berend T. Jonker
  • Article
    | Open Access

    Although polarized Raman microscopy is sensitive to orientation changes, quantitative information has been missing. Here, the authors use simultaneous registration of multiple Raman scattering spectra obtained at different polarizations and show quantitative orientation mapping

    • Oleksii Ilchenko
    • , Yuriy Pilgun
    • , Andrii Kutsyk
    • , Florian Bachmann
    • , Roman Slipets
    • , Matteo Todeschini
    • , Peter Ouma Okeyo
    • , Henning Friis Poulsen
    •  & Anja Boisen
  • Article
    | Open Access

    Most efficient terahertz detection schemes rely on complex free space optics and require high-power lasers. Here, the authors report an integrated plasmonic terahertz detector on a silicon photonics platform, with 2.5 THz bandwidth and a 65 dB dynamical range operating at an optical power of only 63 nW.

    • Yannick Salamin
    • , Ileana-Cristina Benea-Chelmus
    • , Yuriy Fedoryshyn
    • , Wolfgang Heni
    • , Delwin L. Elder
    • , Larry R. Dalton
    • , Jérôme Faist
    •  & Juerg Leuthold
  • Article
    | Open Access

    Addition of small nanoparticles into polymer melt can lead to decrease in viscosity but the underlying mechanism for such viscosity reduction remains unclear. Here, the authors investigate the reduction in viscosity by large-scale molecular dynamics simulation and experimental rheology measurements for an all-polymer nanocomposite formed by linear polystyrene chains and PS single-chain nanoparticle.

    • Tao Chen
    • , Huan-Yu Zhao
    • , Rui Shi
    • , Wen-Feng Lin
    • , Xiang-Meng Jia
    • , Hu-Jun Qian
    • , Zhong-Yuan Lu
    • , Xing-Xing Zhang
    • , Yan-Kai Li
    •  & Zhao-Yan Sun
  • Article
    | Open Access

    Probing inevitable defects in two- dimensional materials is challenging. Here, the authors tackle this issue by using tip-enhanced Raman spectroscopy (TERS) to obtain distinctly different Raman features of edge defects in atomically thin MoS2, and further probe their unique electronic properties as well as identify the armchair and zigzag edges.

    • Teng-Xiang Huang
    • , Xin Cong
    • , Si-Si Wu
    • , Kai-Qiang Lin
    • , Xu Yao
    • , Yu-Han He
    • , Jiang-Bin Wu
    • , Yi-Fan Bao
    • , Sheng-Chao Huang
    • , Xiang Wang
    • , Ping-Heng Tan
    •  & Bin Ren
  • Article
    | Open Access

    Vortices in light fields are of growing importance in the XUV and X-ray ranges. Here the authors show by simulations that high harmonics and attosecond pulses, generated while irradiating a deformed thin foil with circularly-polarized Gaussian laser pulses, carry a well-defined orbital angular momentum.

    • J. W. Wang
    • , M. Zepf
    •  & S. G. Rykovanov
  • Article
    | Open Access

    Nanotechnology can bring significant advancements to hemostatic patches. Here, the authors design a superhydrophobic hemostatic surface with immobilized carbon nanofibers that can stop bleeding instantaneously upon application, seal the wound subsequently by promoting quick fibrin formation, and facilitate unforced and facile patch removal without tearing the wound.

    • Zhe Li
    • , Athanasios Milionis
    • , Yu Zheng
    • , Marcus Yee
    • , Lukas Codispoti
    • , Freddie Tan
    • , Dimos Poulikakos
    •  & Choon Hwai Yap
  • Article
    | Open Access

    MLL family histone methyltransferases deposit histone H3 Lys4 mono-/di-/tri-methylation and regulate gene expression in mammals. Here the authors report the single-particle cryo-EM structure of the NCP-bound human MLL1 core complex, shedding light on how the MLL1 complex engages chromatin and how chromatin binding promotes MLL1 tri-methylation activity.

    • Sang Ho Park
    • , Alex Ayoub
    • , Young-Tae Lee
    • , Jing Xu
    • , Hanseong Kim
    • , Wei Zheng
    • , Biao Zhang
    • , Liang Sha
    • , Sojin An
    • , Yang Zhang
    • , Michael A. Cianfrocco
    • , Min Su
    • , Yali Dou
    •  & Uhn-Soo Cho
  • Article
    | Open Access

    RNA polymerase I (Pol I) catalyses the transcription of pre-ribosomal RNA and for transcription initiation Pol I assembles with core factor and Rrn3 on the rDNA core promoter. Here the authors provide insights into the molecular mechanism of promoter opening by Pol I by determining the cryo-EM structures of two closed, two intermediate and two open Pol I pre-initiation complexes.

    • Yashar Sadian
    • , Florence Baudin
    • , Lucas Tafur
    • , Brice Murciano
    • , Rene Wetzel
    • , Felix Weis
    •  & Christoph W. Müller
  • Article
    | Open Access

    DNA composite materials have potential for biomedical sciences; however, control over the materials can be an issue. Here, the authors report on a carbon-nanotube reinforced DNA-silica gel with controllable mechanical properties to steer the attachment, proliferation, migration and release of cells.

    • Yong Hu
    • , Carmen M. Domínguez
    • , Jens Bauer
    • , Simone Weigel
    • , Alessa Schipperges
    • , Claude Oelschlaeger
    • , Norbert Willenbacher
    • , Stephan Keppler
    • , Martin Bastmeyer
    • , Stefan Heißler
    • , Christof Wöll
    • , Tim Scharnweber
    • , Kersten S. Rabe
    •  & Christof M. Niemeyer
  • Article
    | Open Access

    Polymer brushes are often used to functionalise surfaces. Here, the authors report on the creation of high-density, regenerating hyaluronan brushes using hyaluronan synthase enzymes which can be patterned by photo-deactivation and demonstrate biocompatibility and resistance to biofilm formation.

    • Wenbin Wei
    • , Jessica L. Faubel
    • , Hemaa Selvakumar
    • , Daniel T. Kovari
    • , Joanna Tsao
    • , Felipe Rivas
    • , Amar T. Mohabir
    • , Michelle Krecker
    • , Elaheh Rahbar
    • , Adam R. Hall
    • , Michael A. Filler
    • , Jennifer L. Washburn
    • , Paul H. Weigel
    •  & Jennifer E. Curtis
  • Article
    | Open Access

    Vertically stacked twisted layers of two-dimensional materials can trigger exciting fundamental physics. Here, authors report controlled growth of 30° twisted few-layer SnS2 over SnS2 via van der Waals epitaxy of an SnS intermediate and its transformation in the presence of excess sulfur.

    • Peter Sutter
    • , Rina Ibragimova
    • , Hannu-Pekka Komsa
    • , Bruce A. Parkinson
    •  & Eli Sutter
  • Article
    | Open Access

    Thermal characterization of biological tissues can traditionally provide either large fields of view or high resolution. By the development of super-resolution infrared photo-thermal imaging, the authors reconstruct temperature-based maps of absorptive centers in millimeter-sized biological samples.

    • M. Bouzin
    • , M. Marini
    • , A. Zeynali
    • , M. Borzenkov
    • , L. Sironi
    • , L. D’Alfonso
    • , F. Mingozzi
    • , F. Granucci
    • , P. Pallavicini
    • , G. Chirico
    •  & M. Collini
  • Article
    | Open Access

    The conformational heterogeneity of RNA molecules makes their structure determination by X-ray crystallography and NMR challenging. Here the authors show that RNA structures can be solved by cryo-EM and present the structures of a 40 kDa SAM-IV riboswitch in the apo form and bound to its ligand S-adenosylmethionine.

    • Kaiming Zhang
    • , Shanshan Li
    • , Kalli Kappel
    • , Grigore Pintilie
    • , Zhaoming Su
    • , Tung-Chung Mou
    • , Michael F. Schmid
    • , Rhiju Das
    •  & Wah Chiu
  • Article
    | Open Access

    During carrier multiplication, high-energy free carriers in a given material relax by generation of additional electron-hole pairs. Here, the authors report evidence of carrier multiplication in multilayer MoTe2 and WSe2 films with up to 99% conversation efficiency.

    • Ji-Hee Kim
    • , Matthew R. Bergren
    • , Jin Cheol Park
    • , Subash Adhikari
    • , Michael Lorke
    • , Thomas Frauenheim
    • , Duk-Hyun Choe
    • , Beom Kim
    • , Hyunyong Choi
    • , Tom Gregorkiewicz
    •  & Young Hee Lee
  • Article
    | Open Access

    Adhesives are ubiquitous in commodity products, however it it essential that their synthesis and degradation be sustainable without compromising their performance. Here, the authors report a library of adhesives based on environmentally benign building blocks that perform in both dry and wet environments.

    • Anjeza Beharaj
    • , Ethan Z. McCaslin
    • , William A. Blessing
    •  & Mark W. Grinstaff
  • Article
    | Open Access

    Liquid-liquid phase separation (LLPS) of intrinsically disordered proteins plays an important part in the formation of extracellular biological materials. Here, the authors show that repeats of the peptide motif GHGLY are necessary for the LLPS of pH-responsive histidine-rich squid beak proteins.

    • Bartosz Gabryelczyk
    • , Hao Cai
    • , Xiangyan Shi
    • , Yue Sun
    • , Piet J. M. Swinkels
    • , Stefan Salentinig
    • , Konstantin Pervushin
    •  & Ali Miserez
  • Article
    | Open Access

    Bacterial type II secretion systems (T2SSs) translocate virulence factors, toxins and enzymes across the cell outer membrane. Here, Chernyatina and Low use negative stain and cryo-electron microscopy to reveal the core architecture of an assembled T2SS from the pathogen Klebsiella pneumoniae.

    • Anastasia A. Chernyatina
    •  & Harry H. Low
  • Article
    | Open Access

    Polar-faceted nanocrystals often have complex atomic surface configurations that are very difficult to characterize. Here, the authors are able to determine detailed structural information about the polar facets of ceria nanocubes by using 17O and 1H solid-state NMR spectroscopy, in combination with density functional theory calculations.

    • Junchao Chen
    • , Xin-Ping Wu
    • , Michael A. Hope
    • , Kun Qian
    • , David M. Halat
    • , Tao Liu
    • , Yuhong Li
    • , Li Shen
    • , Xiaokang Ke
    • , Yujie Wen
    • , Jia-Huan Du
    • , Pieter C. M. M. Magusin
    • , Subhradip Paul
    • , Weiping Ding
    • , Xue-Qing Gong
    • , Clare P. Grey
    •  & Luming Peng
  • Article
    | Open Access

    Understanding and controlling self-assembly processes at multiple length scales is essential to design and create advanced materials. Here the authors report a method for the production of highly anisotropic nanoparticles with controlled dimensions based on the morphological transformation of initially isotropic seeds, driven by supramolecular bonding.

    • Zan Hua
    • , Joseph R. Jones
    • , Marjolaine Thomas
    • , Maria C. Arno
    • , Anton Souslov
    • , Thomas R. Wilks
    •  & Rachel K. O’Reilly
  • Article
    | Open Access

    Cytotoxic T lymphocytes (CTLs) eliminate virus-infected and cancerous cells by secreting the pore-forming protein (perforin) and pro-apoptotic serine proteases (granzymes). Here authors show that two mechanisms protect the membranes of CTLs from disruption by perforin and granzymes.

    • Jesse A. Rudd-Schmidt
    • , Adrian W. Hodel
    • , Tahereh Noori
    • , Jamie A. Lopez
    • , Hyun-Jung Cho
    • , Sandra Verschoor
    • , Annette Ciccone
    • , Joseph A. Trapani
    • , Bart W. Hoogenboom
    •  & Ilia Voskoboinik
  • Article
    | Open Access

    Current DNA-assembled nanophotonic devices can only reconfigure among random or few defined states. Here, the authors demonstrate a DNA-assembled rotary plasmonic nanoclock in which a rotor gold nanorod carries out directional and reversible 360° rotation transitioning among 16 well-defined configurations.

    • Ling Xin
    • , Chao Zhou
    • , Xiaoyang Duan
    •  & Na Liu
  • Article
    | Open Access

    The efficacy of tumour starvation therapy is limited by lack of persistent tumour suppression, tumour metastasis and recurrence. Here, the authors report biocompatible gold nanorods and thermal-sensitive hydrogel to promote narrowing of blood vessels and show this to reduce tumour growth and metastasis.

    • Kun Zhang
    • , Yan Fang
    • , Yaping He
    • , Haohao Yin
    • , Xin Guan
    • , Yinying Pu
    • , Bangguo Zhou
    • , Wenwen Yue
    • , Weiwei Ren
    • , Dou Du
    • , Hongyan Li
    • , Chang Liu
    • , Liping Sun
    • , Yu Chen
    •  & Huixiong Xu
  • Article
    | Open Access

    Human Herpesvirus 6B (HHV-6) can cause fever, diarrhea and roseola rash. Here the authors present a cryoEM approach to image crude, minimally purified virus samples and employ it to determine the atomic structures of HHV-6B capsid and capsid-associated tegument protein complexes.

    • Yibo Zhang
    • , Wei Liu
    • , Zihang Li
    • , Vinay Kumar
    • , Ana L. Alvarez-Cabrera
    • , Emily C. Leibovitch
    • , Yanxiang Cui
    • , Ye Mei
    • , Guo-Qiang Bi
    • , Steve Jacobson
    •  & Z. Hong Zhou
  • Article
    | Open Access

    Here, the authors report the experimental discovery of such a dimensional hierarchy of the topologically-protected 2D surface states, 1D hinge states and 0D corner states in a single 3D acoustic system by using higher-order topological sonic crystals.

    • Xiujuan Zhang
    • , Bi-Ye Xie
    • , Hong-Fei Wang
    • , Xiangyuan Xu
    • , Yuan Tian
    • , Jian-Hua Jiang
    • , Ming-Hui Lu
    •  & Yan-Feng Chen
  • Article
    | Open Access

    Sensing DNA bases by surface-enhanced Raman spectroscopy (SERS) in plasmonic nanopores has suffered from rapid flow through of molecules. Here, the authors attach DNA molecules to gold nanoparticles which, due to electro-plasmonic trapping, allow for controlled residence times and discrimination of single nucleotides.

    • Jian-An Huang
    • , Mansoureh Z. Mousavi
    • , Yingqi Zhao
    • , Aliaksandr Hubarevich
    • , Fatima Omeis
    • , Giorgia Giovannini
    • , Moritz Schütte
    • , Denis Garoli
    •  & Francesco De Angelis
  • Article
    | Open Access

    The bacterial flagellar hook is a molecular universal joint that connects the rotary motor and long helical propeller of the bacterial flagellum. Here the authors present the 3.6 Å resolution cryo-EM structure of the native supercoiled Salmonella hook that provides insights into the dynamic changes of subunit conformations and intermolecular interactions of the hook protein FlgE.

    • Takayuki Kato
    • , Fumiaki Makino
    • , Tomoko Miyata
    • , Péter Horváth
    •  & Keiichi Namba
  • Article
    | Open Access

    Quantum tomographic techniques enable the complete characterisation of continuous variable quantum states. Here the authors demonstrate a broadband tomography protocol for single electrons that goes beyond the bandwidth restrictions of existing methods.

    • J. D. Fletcher
    • , N. Johnson
    • , E. Locane
    • , P. See
    • , J. P. Griffiths
    • , I. Farrer
    • , D. A. Ritchie
    • , P. W. Brouwer
    • , V. Kashcheyevs
    •  & M. Kataoka
  • Article
    | Open Access

    Thermally activated delayed fluorescence (TADF) emitters deliver impressive performance in sophisticated multilayer devices. Here, the authors report efficient TADF emission from light-emitting electrochemical cells that feature a solution-processed active layer in between two air-stable electrodes.

    • Petter Lundberg
    • , Youichi Tsuchiya
    • , E. Mattias Lindh
    • , Shi Tang
    • , Chihaya Adachi
    •  & Ludvig Edman
  • Article
    | Open Access

    Stimulated Raman scattering (SRS) microscopy enables label-free chemical imaging at high speed, but has been limited by low sensitivity. Here, the authors demonstrate plasmon-enhanced SRS microscopy and achieve single molecule detection sensitivity.

    • Cheng Zong
    • , Ranjith Premasiri
    • , Haonan Lin
    • , Yimin Huang
    • , Chi Zhang
    • , Chen Yang
    • , Bin Ren
    • , Lawrence D. Ziegler
    •  & Ji-Xin Cheng
  • Article
    | Open Access

    Developing active nanomaterials that can instantly respond to external stimuli with designed mechanical motions for nanorobotics applications remains a challenge. Here, the authors propose a Si-NWs light programmable nanomotors design based on optically tunable in-phase electric polarization.

    • Zexi Liang
    • , Daniel Teal
    •  & Donglei (Emma) Fan
  • Article
    | Open Access

    CKK domain containing CAMSAP/Patronins recognise and regulate microtubule (MT) minus end dynamics. Here the authors compare cryo-EM structures of MT-bound human CKK and Naegleria gruberi CKK which lacks minus-end binding preference, finding NgCKK has a different interaction with, and inability to remodel, its MT binding site, shedding light on the CAMSAP/Patronin end binding mechanism.

    • Joseph Atherton
    • , Yanzhang Luo
    • , Shengqi Xiang
    • , Chao Yang
    • , Ankit Rai
    • , Kai Jiang
    • , Marcel Stangier
    • , Annapurna Vemu
    • , Alexander D. Cook
    • , Su Wang
    • , Antonina Roll-Mecak
    • , Michel O. Steinmetz
    • , Anna Akhmanova
    • , Marc Baldus
    •  & Carolyn A. Moores