Featured
-
-
Article |
Near-complete depolymerization of polyesters with nano-dispersed enzymes
Nanoscopic dispersion of enzymes with deep active sites enables chain-end-mediated processive biodegradation of semi-crystalline polyesters with programmable latency and material integrity.
- Christopher DelRe
- , Yufeng Jiang
- & Ting Xu
-
Article |
Liquid-induced topological transformations of cellular microstructures
A two-tiered dynamic design strategy achieves topological transformations of two-dimensional polymeric cellular microstructures in a reversible and temporally controllable manner through exposure to different liquids.
- Shucong Li
- , Bolei Deng
- & Joanna Aizenberg
-
Article |
Diversity-oriented synthesis of polymer membranes with ion solvation cages
A diversity-oriented synthesis approach that yields a library of architecturally broad microporous polymers is used to develop structurally diverse polymer membranes with ion specificity and to screen their properties.
- Miranda J. Baran
- , Mark E. Carrington
- & Brett A. Helms
-
Article |
Macroscopic materials assembled from nanoparticle superlattices
Polymer-covered inorganic nanoparticles are designed to self-assemble into micrometre-sized superlattice crystallites that can subsequently be built into freestanding centimetre-scale solids with hierarchical order across seven orders of magnitude.
- Peter J. Santos
- , Paul A. Gabrys
- & Robert J. Macfarlane
-
Article |
Self-powered soft robot in the Mariana Trench
A free-swimming soft robot inspired by deep-sea creatures, with artificial muscle, power and control electronics spread across a polymer matrix, successfully adapts to high pressure and operates in the deep ocean.
- Guorui Li
- , Xiangping Chen
- & Wei Yang
-
Article |
Strong tough hydrogels via the synergy of freeze-casting and salting out
A strategy that combines freeze-casting and salting-out treatments produces strong, tough, stretchable and fatigue-resistant poly(vinyl alcohol) hydrogels.
- Mutian Hua
- , Shuwang Wu
- & Ximin He
-
Article |
Closed-loop recycling of polyethylene-like materials
Polycarbonates and polyesters with materials properties like those of high-density polyethylene can be recycled chemically by depolymerization to their constituent monomers, re-polymerization yielding material with uncompromised processing and materials properties.
- Manuel Häußler
- , Marcel Eck
- & Stefan Mecking
-
Article |
Thermally reconfigurable monoclinic nematic colloidal fluids
Dispersion of colloidal disks in a nematic liquid crystal reveals several low-symmetry phases, including monoclinic colloidal nematic order, with interchange between them achieved through variations in temperature, concentration and surface charge.
- Haridas Mundoor
- , Jin-Sheng Wu
- & Ivan I. Smalyukh
-
Article |
Complex structures arising from the self-assembly of a simple organic salt
Frank–Kasper phases are observed in small organic molecules from the crystallization of fampridine hydrochloride into two distinct structures, indicating that complex self-assembled structures can arise from simple organic salts.
- Riccardo Montis
- , Luca Fusaro
- & A. David Rae
-
Article |
Viscoelastic control of spatiotemporal order in bacterial active matter
Introducing viscoelasticity by addition of DNA into the fluid surrounding a suspension of Escherichia coli produces a giant oscillating vortex with a period controllable through the DNA concentration.
- Song Liu
- , Suraj Shankar
- & Yilin Wu
-
Article |
A reprogrammable mechanical metamaterial with stable memory
A reprogrammable mechanical metamaterial constructed of bistable unit cells that can be switched independently and reversibly between two stable states with distinct mechanical properties using magnetic actuation is demonstrated.
- Tian Chen
- , Mark Pauly
- & Pedro M. Reis
-
Article |
Wetting regulates autophagy of phase-separated compartments and the cytosol
A theoretical model, in vitro reconstitution and in vivo experimentation show that competition between droplet surface tension and membrane sheet instability dictates the form and function of autophagosomal membranes.
- Jaime Agudo-Canalejo
- , Sebastian W. Schultz
- & Roland L. Knorr
-
Article |
The Philae lander reveals low-strength primitive ice inside cometary boulders
When the Philae lander bounced on the surface of comet 67P/Churyumov–Gerasimenko, it exposed primitive icy-dust material within cometary boulders; the intrinsic strength and porosity of this material is reported.
- Laurence O’Rourke
- , Philip Heinisch
- & Holger Sierks
-
Article |
Active particles induce large shape deformations in giant lipid vesicles
Experiments and simulations show that local non-equilibrium forces exerted by self-propelled particles trapped inside a giant unilamellar lipid vesicle induce dramatic shape changes in the vesicle.
- Hanumantha Rao Vutukuri
- , Masoud Hoore
- & Jan Vermant
-
Article |
Colloidal diamond
Self-assembly of cubic diamond crystals is demonstrated, by using precursor clusters of particles with carefully placed ‘sticky’ patches that attract and bind adjacent clusters in specific geometries.
- Mingxin He
- , Johnathon P. Gales
- & David J. Pine
-
Article |
Additive manufacturing of silica aerogels
A direct ink writing protocol for silica aerogels enables 3D printing of lightweight, miniaturized objects with complex shapes, with the possibility to easily add functionality by incorporating nanoparticles.
- Shanyu Zhao
- , Gilberto Siqueira
- & Wim J. Malfait
-
Article |
Cleavable comonomers enable degradable, recyclable thermoset plastics
A method of endowing thermoset plastics with a degree of recyclability and reprocessability by incorporating cleavable chemical linkages in the strands of the polymer, rather than in the crosslinks, is presented.
- Peyton Shieh
- , Wenxu Zhang
- & Jeremiah A. Johnson
-
Article |
Self-templating assembly of soft microparticles into complex tessellations
A hexagonal self-assembled monolayer of soft microparticles acts as the template for a second layer of the same particles, forcing the formation of patterns with unexpected structural symmetries and complexities.
- Fabio Grillo
- , Miguel Angel Fernandez-Rodriguez
- & Lucio Isa
-
Article |
Design of robust superhydrophobic surfaces
Water-repellent nanostructures are housed within an interconnected microstructure frame to yield mechanically robust superhydrophobic surfaces.
- Dehui Wang
- , Qiangqiang Sun
- & Xu Deng
-
Article |
Liquid flow and control without solid walls
Wall-free liquid channels surrounded by an immiscible magnetic liquid can be used to create liquid circuitry or to transport human blood without damaging the blood cells by moving permanent magnets.
- Peter Dunne
- , Takuji Adachi
- & Thomas M. Hermans
-
Article |
Ionic solids from common colloids
Oppositely charged colloidal particles are assembled in water through an approach that allows electrostatic interactions to be precisely tuned to generate macroscopic single crystals.
- Theodore Hueckel
- , Glen M. Hocky
- & Stefano Sacanna
-
Article |
Layered nanocomposites by shear-flow-induced alignment of nanosheets
Layered nanocomposites fabricated using a continuous and scalable process achieve properties exceeding those of natural nacre, the result of stiffened matrix polymer chains confined between highly aligned nanosheets.
- Chuangqi Zhao
- , Pengchao Zhang
- & Lei Jiang
-
Article |
A mechanism of ferritin crystallization revealed by cryo-STEM tomography
Cryo-STEM tomography of ferritin crystallization is used to reveal nonclassical evolution of crystalline order, indicating that it may be desolvation that drives the continuous evolution of order in crystallization.
- Lothar Houben
- , Haim Weissman
- & Boris Rybtchinski
-
Article |
A droplet-based electricity generator with high instantaneous power density
A device involving a polytetrafluoroethylene film, an indium tin oxide substrate and an aluminium electrode allows improved electricity generation from water droplets, which bridge the previously disconnected circuit components.
- Wanghuai Xu
- , Huanxi Zheng
- & Zuankai Wang
-
Article |
Single-chain heteropolymers transport protons selectively and rapidly
A random heteropolymer based on four monomers can facilitate proton transport across lipid bilayers almost as rapidly as natural ion channels and with high selectivity over other ions.
- Tao Jiang
- , Aaron Hall
- & Ting Xu
-
Article |
Molecular heterogeneity drives reconfigurable nematic liquid crystal drops
Study of droplets containing nematic liquid crystal oligomers shows that a heterogeneous distribution of chain lengths plays a key part in driving reversible shape transformations with cooling and heating.
- Wei-Shao Wei
- , Yu Xia
- & A. G. Yodh
-
Article |
Voxelated soft matter via multimaterial multinozzle 3D printing
Voxelated soft matter is designed and fabricated using multimaterial multinozzle three-dimensional printing, which switches between different viscoelastic inks along the same print filament to print multiple materials simultaneously.
- Mark A. Skylar-Scott
- , Jochen Mueller
- & Jennifer A. Lewis
-
Article |
Controlled flight of a microrobot powered by soft artificial muscles
Heavier-than-air insect-scale aerial robots powered by soft artificial muscles can hover and also recover from in-flight collisions, illustrating the potential for developing next-generation agile soft robots.
- Yufeng Chen
- , Huichan Zhao
- & Robert J. Wood
-
Article |
Polymers with controlled assembly and rigidity made with click-functional peptide bundles
Designed tetrameric peptide bundles covalently connected end-to-end yield rigid, semiflexible and kinked chains, as well as hydrogel networks, providing a platform for synthetic biomaterials.
- Dongdong Wu
- , Nairiti Sinha
- & Darrin J. Pochan
-
Article |
Dry double-sided tape for adhesion of wet tissues and devices
A new strong, biocompatible and biodegradable double-sided tape can adhere to wet tissues and devices through a mechanism involving rapid water removal from the surface, swift hydrogen and electrostatic interactions, and covalent bonding.
- Hyunwoo Yuk
- , Claudia E. Varela
- & Xuanhe Zhao
-
Article |
Seeing mesoatomic distortions in soft-matter crystals of a double-gyroid block copolymer
Slice-and-view scanning electron microscopy tomography is used to characterize a double-gyroid block copolymer, finding mesoatomic distortions that break the symmetry of these soft-matter crystals across multiple scales.
- Xueyan Feng
- , Christopher J. Burke
- & Edwin L. Thomas
-
Letter |
Emergence of tissue-like mechanics from fibrous networks confined by close-packed cells
Tissue rheology emerges from the interplay between fibrous networks and cell inclusions, and the mechanical properties of tissues are modulated by restricting the relaxation modes of fibres close to volume-conserving cells.
- Anne S. G. van Oosten
- , Xingyu Chen
- & Paul A. Janmey
-
Letter |
Efficient molecular doping of polymeric semiconductors driven by anion exchange
The limitations of conventional chemical doping of polymeric semiconductors can be overcome by adding a second ionic species into the system, leading to enhanced doping, electrical conductivity and stability.
- Yu Yamashita
- , Junto Tsurumi
- & Shun Watanabe
-
Letter |
Stretchable pumps for soft machines
A stretchable polymer pump that uses electric fields to accelerate ions in dielectric liquids can generate flow even when bent into different conformations, offering applications in soft robotics.
- Vito Cacucciolo
- , Jun Shintake
- & Herbert Shea
-
Letter |
Controlling organization and forces in active matter through optically defined boundaries
Light is used to guide the behaviour of an engineered active-matter system, producing structures and properties that can be dynamically manipulated and controlled.
- Tyler D. Ross
- , Heun Jin Lee
- & Matt Thomson
-
Letter |
High performance from extraordinarily thick organic light-emitting diodes
Extraordinarily thick organic light-emitting diodes can be fabricated using hybrid organic–inorganic perovskites as the transport layers, thus relaxing fabrication constraints without affecting their efficiency, voltage requirement or durability.
- Toshinori Matsushima
- , Fatima Bencheikh
- & Chihaya Adachi
-
Letter |
Elastic colloidal monopoles and reconfigurable self-assembly in liquid crystals
Unstructured light controls the elastic monopole moments of nematic liquid-crystal colloidal particles and switches them to quadrupoles, with like-charged monopoles attracting and oppositely charged ones repelling, enabling reconfigurable dynamic self-assembly.
- Ye Yuan
- , Qingkun Liu
- & Ivan I. Smalyukh
-
Letter |
Colouration by total internal reflection and interference at microscale concave interfaces
A mechanism for creating patterns of iridescent structural colour by total internal reflection of light beams along a concave optical interface leading to interference is described, for complex microscopic systems and for systems as simple as condensed water drops.
- Amy E. Goodling
- , Sara Nagelberg
- & Lauren D. Zarzar
-
Letter |
Ferroelectric polymers exhibiting behaviour reminiscent of a morphotropic phase boundary
An organic copolymer with compositionally tailored tacticity exhibits behaviour reminiscent of a morphotropic phase boundary, with an intramolecular order-to-disorder transition in the crystalline phase and a very large piezoelectric coefficient.
- Yang Liu
- , Haibibu Aziguli
- & Qing Wang
-
Letter |
A Brownian quasi-crystal of pre-assembled colloidal Penrose tiles
A lithographic patterning and release method is used to create a dense, fluctuating, Brownian system of mobile colloidal kite- and dart-shaped Penrose tiles over large areas that retains quasi-crystalline order.
- Po-Yuan Wang
- & Thomas G. Mason
-
Letter |
Photoswitching topology in polymer networks with metal–organic cages as crosslinks
Using topology-switching metal–ligand cages to crosslink polymer networks produces gels whose chemical and mechanical properties can be radically and reversibly switched on irradiation.
- Yuwei Gu
- , Eric A. Alt
- & Jeremiah A. Johnson
-
Letter |
Printing ferromagnetic domains for untethered fast-transforming soft materials
Programmed ferromagnetic domains are 3D-printed into soft materials capable of fast transformations between complex three-dimensional shapes via magnetic actuation.
- Yoonho Kim
- , Hyunwoo Yuk
- & Xuanhe Zhao
-
Letter |
Thickness-independent capacitance of vertically aligned liquid-crystalline MXenes
Electrode films prepared from a liquid-crystal phase of vertically aligned two-dimensional titanium carbide show electrochemical energy storage that is nearly independent of film thickness.
- Yu Xia
- , Tyler S. Mathis
- & Shu Yang
-
Letter |
Rapid energy-efficient manufacturing of polymers and composites via frontal polymerization
Frontal polymerization of dicyclopentadiene is used to generate thermoset polymers and composite materials with much lower energy requirements and cure times than are needed in conventional oven or autoclave curing approaches.
- Ian D. Robertson
- , Mostafa Yourdkhani
- & Scott R. White
-
Letter |
Hyperexpandable, self-healing macromolecular crystals with integrated polymer networks
The integration of macromolecular ferritin protein crystals with hydrogel polymers gives a composite material that expands isotropically and reversibly to twice its size while maintaining periodicity, resists fragmentation and self-heals efficiently.
- Ling Zhang
- , Jake B. Bailey
- & F. Akif Tezcan
-
Letter |
Skin electronics from scalable fabrication of an intrinsically stretchable transistor array
A scalable process is described for fabricating skin-like electronic circuitry that can be bent and stretched while retaining desirable electronic functionality.
- Sihong Wang
- , Jie Xu
- & Zhenan Bao
-
Letter |
Freezing on a sphere
Freezing on a spherical surface is shown to proceed by the sequestration of defects into 12 icosahedrally coordinated ‘seas’ that enable the formation of a crystalline ‘continent’ with long-range orientational order.
- Rodrigo E. Guerra
- , Colm P. Kelleher
- & Paul M. Chaikin
-
Letter |
Small-scale soft-bodied robot with multimodal locomotion
A tiny soft-bodied robot is described that can be magnetically actuated to swim, climb, roll, walk and jump, while carrying a load.
- Wenqi Hu
- , Guo Zhan Lum
- & Metin Sitti
-
Letter |
Systems of mechanized and reactive droplets powered by multi-responsive surfactants
Droplets covered with surfactants that respond to multiple stimuli can assemble into hierarchical assemblies or non-spherical, patchy structures, mimic systems of mechanical gears, and even harbour sequences of chemical reactions.
- Zhijie Yang
- , Jingjing Wei
- & Bartosz A. Grzybowski