Featured
-
-
Article
| Open AccessSplay-bend nematic phases of bent colloidal silica rods induced by polydispersity
Different shapes of molecules or particles can exhibit various liquid crystal phases. The authors report on an experimental discovery of a so called splay-bend nematic liquid crystal phase in a colloidal system of bent silica rods.
- Ramakrishna Kotni
- , Albert Grau-Carbonell
- & Alfons van Blaaderen
-
Article
| Open AccessReal-time chirality transfer monitoring from statistically random to discrete homochiral nanotubes
Monitoring chirality transfer during self-assembly processes is challenging. Here, the authors study the assembly of chiral pillar[5]arene-based nanotubes; diastereomerically pure trimeric nanotubes are synthesized from a mixture of pillar[5]arene compounds.
- Shixin Fa
- , Tan-hao Shi
- & Tomoki Ogoshi
-
Article
| Open AccessStereoisomeric engineering of aggregation-induced emission photosensitizers towards fungal killing
Fungal infections are often major causes of disease in immune compromised patients and photodynamic therapy offers and attractive treatment. Here, the authors develop stereoisomeric photosensitizers via supramolecular assembly and demonstrate aggregation-induced photodynamic action against fungi.
- Wenping Zhu
- , Ying Li
- & Ben Zhong Tang
-
Article
| Open AccessPriming self-assembly pathways by stacking block copolymers
Self-assembly of block-copolymers yields nanoscale structures in a facile way, but the diversity of structures is limited. Here, the authors demonstrate how block copolymer layering can be used to access new non-equilibrium morphologies.
- Sebastian T. Russell
- , Suwon Bae
- & Kevin G. Yager
-
Article
| Open AccessFormation of synthetic RNA protein granules using engineered phage-coat-protein -RNA complexes
Condensates composed of RNA and proteins are biologically vital but generally poorly understood. Here, the authors engineer synthetic RNA-protein condensates and show that gel-like condensates form as a result of liquid-gel phase separation in a specific and selective fashion.
- Naor Granik
- , Noa Katz
- & Roee Amit
-
Article
| Open AccessSymmetry-breaking in patch formation on triangular gold nanoparticles by asymmetric polymer grafting
Patchy nanoparticles are desirable building blocks for the guided assembly of functional superstructures. Here, the authors demonstrate quantitative control over asymmetric polymer grafting on triangular Au nanoprisms based on polymer scaling theory.
- Ahyoung Kim
- , Thi Vo
- & Qian Chen
-
Article
| Open AccessFormation of supramolecular channels by reversible unwinding-rewinding of bis(indole) double helix via ion coordination
Synthetic supramolecular double-stranded helical systems that can undergo reversible unwinding are rare. Here, the authors report bis(indole)-based double helix systems that unwind in the presence of chloride, forming supramolecular ion channels; Addition of silver enables the regeneration of the double helix.
- Debashis Mondal
- , Manzoor Ahmad
- & Pinaki Talukdar
-
Article
| Open AccessCoemissive luminescent nanoparticles combining aggregation-induced emission and quenching dyes prepared in continuous flow
Developing efficient light harvesting systems at low cost is a challenge. Here, the authors synthesized coemissive dyes in a continuous flow microreactor featuring a controlled cascade FRET process combining aggregation-induced emission and quenching.
- Chong Li
- , Qi Liu
- & Shengyang Tao
-
Article
| Open AccessStructural diversity in three-dimensional self-assembly of nanoplatelets by spherical confinement
Nanoplatelets can be used as anisotropic building blocks for constructing novel optoelectronic materials. Here, Wang et al. show a route of assembling nanoplatelets with controllable positional and orientational order in three dimensions facilitated by the surface tension of drying emulsion droplets.
- Da Wang
- , Michiel Hermes
- & Alfons van Blaaderen
-
Article
| Open AccessCholesterol-stabilized membrane-active nanopores with anticancer activities
Bacterial cells utilize cholesterol-enhanced pore formation to specifically target eukaryotic cells. Here, the authors present a class of bio-inspired, cholesterol-enhanced nanopores which display anticancer activities in vitro.
- Jie Shen
- , Yongting Gu
- & Huaqiang Zeng
-
Article
| Open AccessControllable DNA hybridization by host–guest complexation-mediated ligand invasion
Direct dissociation of nucleic acid duplex structures without heating or specific binding proteins is challenging. Here the authors use the cucurbit[7]uril-based host–guest system to construct a ligand-invasion pathway for controllable DNA hybridisation.
- Lin Xiao
- , Liang-Liang Wang
- & Liang Xu
-
Article
| Open AccessChiral superstructures of inorganic nanorods by macroscopic mechanical grinding
Chiroptic materials made of self-assembled nanomaterials are essential for advanced optical applications. Here, the authors show that macroscopic grinding can break the symmetry in achiral superlattices of inorganic nanorods, generating chiral superstructures.
- Zhiwei Yang
- , Yanze Wei
- & Zhijie Yang
-
Article
| Open AccessUniformly aligned flexible magnetic films from bacterial nanocelluloses for fast actuating optical materials
Naturally derived biopolymers attracted great interest to construct photonic materials but traditional processing commonly results in non-uniform organization across largescale areas. Here, the authors report a uniform biophotonic organization of cellulose nanocrystals decorated with superparamagnetic nanoparticles enabling transformation from helicoidal cholesteric to uniaxial nematic phase with near-perfect orientation.
- Xiaofang Zhang
- , Saewon Kang
- & Vladimir V. Tsukruk
-
Article
| Open AccessA self-complementary macrocycle by a dual interaction system
In nature, HIV capsid consists of single class of protein unit by self-complementarity. Here, the authors find that a molecular tweezer forms a cyclic hexamer by its continuous host-guest behavior, and constructs a large cuboctahedron by hierarchical assembly.
- Yuta Sawanaka
- , Masahiro Yamashina
- & Shinji Toyota
-
Article
| Open AccessField-induced orientational switching produces vertically aligned Ti3C2Tx MXene nanosheets
In this work, authors demonstrate reversible vertical alignment of Ti3C2Tx MXene sheets induced by an applied in-plane electric field. Further modulation of the field can achieve programmed patterns onto various electrode substrates.
- Changjae Lee
- , Soon Mo Park
- & Dong Ki Yoon
-
Article
| Open AccessLiquid-crystalline behavior on dumbbell-shaped colloids and the observation of chiral blue phases
Colloidal liquid crystals account for various applications due to the combination of characteristics relevant for liquid crystals and colloids. The authors elaborate the impact of concave geometry on the properties of colloidal liquid crystals for development of functional materials.
- Guangdong Chen
- , Hanwen Pei
- & Yang Yang
-
Article
| Open AccessReconstitution of microtubule into GTP-responsive nanocapsules
GTP-triggered release from drug carriers has huge potential in cancer therapy but current carriers suffers from off target release due to ATP also acting as a trigger. Here, the authors report on the development of a microtubule capsule which is engineered to be responsive to only GTP not ATP and demonstrate targeted drug delivery.
- Noriyuki Uchida
- , Ai Kohata
- & Takuzo Aida
-
Article
| Open AccessSelf-sorting in macroscopic supramolecular self-assembly via additive effects of capillary and magnetic forces
The selective assembly of μm-to-mm sized components is challenging because of the short-ranged molecular recognition. Here, the authors demonstrate a self-sorting mechanism to automatically identify the surface chemistry via additivity and competence between long-ranged magnetic/capillary forces.
- Minghui Tan
- , Pan Tian
- & Feng Shi
-
Article
| Open AccessControl cell migration by engineering integrin ligand assembly
Engineering peptide assembly that controls integrin ligand presentation on the molecular level possesses by far the highest ligand density, expanding the perspective of ligand-density-dependent modulation.
- Xunwu Hu
- , Sona Rani Roy
- & Ye Zhang
-
Article
| Open AccessSpontaneous formation of a self-healing carbon nanoskin at the liquid–liquid interface
Biological membranes exhibit the ability to self-repair and dynamically change their shape while remaining impermeable but these defining features are difficult to reconcile with mechanical robustness. Here, the authors report on the spontaneous formation of a carbon nanoskin at the oil-water interface that uniquely combines self-healing attributes with high stiffness.
- Enzo Bomal
- , Paul Grandgeorge
- & Holger Frauenrath
-
Article
| Open AccessDynamically stable and amplified circularly polarized excimer emission regulated by solvation of chiral co-assembly process
Chiral supramolecular assembly is an important strategy for the development of excellent circularly polarized luminescent (CPL)-active materials, but often they suffer from low quantum yield and luminescence dissymmetry factor. Herein, the authors we report a chiral coassembly process of achiral pyrene-based dyes leading to chiral excimers emitting with a high dissymmetry factor.
- Yuxia Zhang
- , Hang Li
- & Yixiang Cheng
-
Article
| Open AccessIntrinsically fluorescent polyureas toward conformation-assisted metamorphosis, discoloration and intracellular drug delivery
Biomimetic materials are of interest but can often suffer from limitations caused by the non-native linkages used. Here, the authors report on the creation of amino acid constructed polyureas which can self-assemble into vesicles and nanotubes with aggregation induced fluorescence and the potential for drug delivery applications.
- Yeqiang Zhou
- , Fan Fan
- & Mingming Ding
-
Article
| Open AccessSteering the multiexciton generation in slip-stacked perylene dye array via exciton coupling
Understanding structure-property relationship of dye arrays is of great importance for designing organic photonic and photovoltaic materials. Here, authors present a slip-stacked perylene bisimide array as a model system to investigate singlet fission mechanisms by depending upon interchromophoric interaction.
- Yongseok Hong
- , Maximilian Rudolf
- & Frank Würthner
-
Article
| Open AccessThree-dimensional printing of photonic colloidal glasses into objects with isotropic structural color
There is a growing interest in mimicking structural color in natural systems aiming for sustainable and long-lasting color. Here the authors report a platform for three-dimensional printing assembly of colloidal particles of silica and carbon that have programmable structural color.
- Ahmet F. Demirörs
- , Erik Poloni
- & André R. Studart
-
Article
| Open AccessA reconfigurable and magnetically responsive assembly for dynamic solar steam generation
Despite a promising water harvesting approach solar steam generation low efficiency remains a challenging obstacle. Here, authors present a macro- and microscopically reconfigurable and magnetically responsive assembly towards a dynamic evaporation system with improved performance and salt resistance.
- Yajie Hu
- , Hongyun Ma
- & Liangti Qu
-
Article
| Open AccessAssembly of planar chiral superlattices from achiral building blocks
The formation of nanostructures with chiral symmetry often requires chiral directing agents at a smaller length scale. Here, the authors report the self-assembly of 2D chiral superlattices from achiral tetrahedron-shaped building blocks.
- Zhihua Cheng
- & Matthew R. Jones
-
Article
| Open AccessA dynamic assembly-induced emissive system for advanced information encryption with time-dependent security
The development of advanced materials for information encryption is desirable. Here, the authors report materials that enable orthogonal and temporal encryption of information via dynamic assembly-induced multicolor pyrene-based supramolecular systems.
- Qian Wang
- , Biyan Lin
- & Da-Hui Qu
-
Article
| Open AccessBuilding programmable multicompartment artificial cells incorporating remotely activated protein channels using microfluidics and acoustic levitation
Engineering micro-emulsion plays a key role in the creation of bottom-up synthetic cells. Here, authors demonstrate a droplet laboratory platform to control membrane protein gating in functional artificial cell using microfluidics and acoustic levitation.
- Jin Li
- , William D. Jamieson
- & David A. Barrow
-
Article
| Open AccessChiral self-sorting and guest recognition of porous aromatic cages
The synthesis of stable chiral porous organic cages and the study of their chiral self-sorting properties is challenging. Here, the authors report axially chiral porous aromatic cages with high stability and solvent-controlled chiral self-sorting.
- Dong-Xu Cui
- , Yun Geng
- & Zhong-Min Su
-
Article
| Open AccessLow-dimensional assemblies of metal-organic framework particles and mutually coordinated anisotropy
Colloidal self-assembly is a powerful strategy for designing materials, and MOFs offer wide structural and functional diversity. Here, authors present the self-assembly of MOF microcrystals using depletion interactions to form low-dimensional MOF colloidal superstructures with anisotropic properties.
- Dengping Lyu
- , Wei Xu
- & Yufeng Wang
-
Article
| Open AccessSignal-processing and adaptive prototissue formation in metabolic DNA protocells
Signal processing for downstream functional and morphological adaptations is crucial for understanding and re-enacting features of living systems. Here, the authors show DNAzyme-containing, metabolic protocells that induce prototissue formation via chemical messenger communication due to in situ cleavage of upstream DNA signals.
- Avik Samanta
- , Maximilian Hörner
- & Andreas Walther
-
Article
| Open AccessShape-assisted self-assembly
Self-assembly and molecular recognition usually depend on strong, directional non-covalent interactions but also topography can play a role in the formation of supramolecular constructs which makes it nearly impossible to discern the potential of shape and motion in the creation of complexity. Here, the authors demonstrate that long-range order in supramolecular constructs can be assisted by the topography of the individual units even in the absence of highly directional interactions.
- Joseph F. Woods
- , Lucía Gallego
- & Michel Rickhaus
-
Article
| Open AccessFinely tunable dynamical coloration using bicontinuous micrometer-domains
Structural colors are often produced by periodic structured materials leading to the constructive interference of light waves. Here, the authors report control of structural color and light transmission via a colloidal gel and dynamic coloration with a precise wavelength selectivity over a broad range of wavelengths by taking advantage of the Christiansen effect.
- Yuyin Xi
- , Fan Zhang
- & Yun Liu
-
Article
| Open AccessA bioinspired sequential energy transfer system constructed via supramolecular copolymerization
Sequential energy transfer is ubiquitous in natural light harvesting systems, but most artificial mimics have unsatisfactory energy transfer efficiency. Here, authors synthesize a sequential energy transfer system with overall efficiency of 87.4% via supramolecular copolymerization mimicking the aggregation mode of bacteriochlorophyll pigments in green photosynthetic bacteria.
- Yifei Han
- , Xiaolong Zhang
- & Feng Wang
-
Article
| Open AccessA trefoil knot self-templated through imination in water
The self-assembly of molecular knots in water is challenging. Here, authors report the self-assembly of a trefoil knot in water via imine condensation, without relying on external templates; the handedness of the trefoil knot is determined by the chirality of the bisamino precursor.
- Ye Lei
- , Zhaoyong Li
- & Hao Li
-
Article
| Open AccessCellulose photonic pigments
Several biomaterials have been promised as suitable candidates for photonic materials and pigments, but their fabrication processes have been limited to the small to medium-scale production of films. Here, the authors demonstrate a substrate-free process to fabricate structurally coloured microparticles via the confined self-assembly of a cholesteric cellulose nanocrystal (CNC) suspension within emulsified microdroplets.
- Richard M. Parker
- , Tianheng H. Zhao
- & Silvia Vignolini
-
Article
| Open AccessSynthesis of a donor–acceptor heterodimer via trifunctional completive self-sorting
The preparation of heterodimeric structures via self-assembly processes is challenging. Here, the authors report the photooxidation of a donor–acceptor metalloporphyrin, which enables a self-sorting process that yields an heterodimer quantitatively.
- Sunit Kumar
- , Yogesh Kumar Maurya
- & Marcin Stępień
-
Article
| Open AccessLight-activated photodeformable supramolecular dissipative self-assemblies
Dissipative self-assembly can serve as a controllable platform to exhibit temporal processes for various non-stimulus responsive properties but construction of light-fueled dissipative self-assembly structures with transformable morphology to modulate non-photoresponsive properties remains a challenge. Here, the authors report a light-activated photodeformable dissipative self-assembly system in aqueous solution as metastable fluorescent platform.
- Xu-Man Chen
- , Wei-Jie Feng
- & Quan Li
-
Article
| Open AccessBiomimetic non-classical crystallization drives hierarchical structuring of efficient circularly polarized phosphors
Chiral emitters with high photoluminescence quantum yield are desirable for use in circularly polarized LEDs. The authors demonstrate the transfer of chirality from nanoscale copper iodide clusters to microscale chiral luminescent polycrystals by non-classical crystallization.
- Li-Zhe Feng
- , Jing-Jing Wang
- & Hong-Bin Yao
-
Article
| Open AccessAdaptive liquid interfaces induce neuronal differentiation of mesenchymal stem cells through lipid raft assembly
In this work the authors report how human mesenchymal stem cells rapidly adapt to dynamic microenvironment through lipid raft in membrane microdomains that direct neurogenesis.
- Xiaofang Jia
- , Jingwen Song
- & Katsuhiko Ariga
-
Article
| Open AccessHighly stable and tunable peptoid/hemin enzymatic mimetics with natural peroxidase-like activities
Peroxidase mimics are currently being investigated as catalysts for lignin depolymerisation. In this article, the authors investigate a class of self-assembled and highly stable peptoid/hemin nanomaterials as peroxidase mimics that are highly stable and tuneable for the depolymerisation of a biorefinery lignin.
- Tengyue Jian
- , Yicheng Zhou
- & Chun-Long Chen
-
Article
| Open AccessSeeing structural evolution of organic molecular nano-crystallites using 4D scanning confocal electron diffraction (4D-SCED)
Studying organic molecular nanocrystals with electron microscopy has been challenging due to complex structures and radiation sensitivity. Here, the authors present 4D-scanning confocal electron diffraction, and demonstrate direct in situ observation of structural evolution of bulk heterojunction thin films.
- Mingjian Wu
- , Christina Harreiß
- & Erdmann Spiecker
-
Article
| Open AccessSynthesis and macrocyclization-induced emission enhancement of benzothiadiazole-based macrocycle
Organic luminescent materials attract attention due to their wide application range, but many organic luminogens suffer from severe quenching effect in the aggregate state. Here, the authors demonstrate a macrocyclization induced emission enhancement by linking luminophores through methylene bridges to give a macrocycle.
- Shuo Li
- , Kun Liu
- & Chunju Li
-
Article
| Open AccessMemory, switches, and an OR-port through bistability in chemically fueled crystals
In biology, information is stored and processed using highly evolved molecules in bistable states. Here, the authors demonstrate bistability in a synthetic system without the need for evolved biomolecules or autocatalytic networks.
- Fabian Schnitter
- , Benedikt Rieß
- & Job Boekhoven
-
Article
| Open AccessChiral self-assembly of cellulose nanocrystals is driven by crystallite bundles
Chirality transfer across length-scales is an intriguing phenomenon but connecting the properties of individual building blocks to the emergent features of their resulting large-scale structure remains challenging. Here, the authors investigate the origins of mesophase chirality in cellulose nanocrystal suspensions, whose self-assembly into chiral photonic films has attracted significant interest.
- Thomas G. Parton
- , Richard M. Parker
- & Silvia Vignolini
-
Article
| Open AccessClustering and halogen effects enabled red/near-infrared room temperature phosphorescence from aliphatic cyclic imides
Pure organic room temperature phosphorescence (RTP) materials become increasingly important but achieving red and near-infrared (NIR) RTP remains challenging. Here, the authors demonstrate that succinimide derived cyclic imides can emit RTP in the red and NIR spectral range with outstanding efficiencies of up to 9.2%.
- Tianwen Zhu
- , Tianjia Yang
- & Wang Zhang Yuan
-
Article
| Open AccessRapid meniscus-guided printing of stable semi-solid-state liquid metal microgranular-particle for soft electronics
In this article, meniscus-guided printing of polyelectrolyte-attached liquid metal particles to simultaneously achieve mechanical stability and initial electrical conductivity at high resolution is introduced.
- Gun-Hee Lee
- , Ye Rim Lee
- & Steve Park
-
Article
| Open AccessMedial packing and elastic asymmetry stabilize the double-gyroid in block copolymers
Double-gyroid networks assemble in diverse soft materials, yet the molecular packing that underlies their complex structure remains obscure. Here, authors advance a theory that resolves a long-standing puzzle about their formation in block copolymers.
- Abhiram Reddy
- , Michael S. Dimitriyev
- & Gregory M. Grason
-
Article
| Open AccessActivity-induced polar patterns of filaments gliding on a sphere
Active matter exhibits a range of collective behaviors offering insights into how complex patterns can emerge at different length scales. Here, Hsu et al. confine active filaments on the spherical surface of a lipid vesicle and observe the formation of off-equator polar vortices and jammed patterns.
- Chiao-Peng Hsu
- , Alfredo Sciortino
- & Andreas R. Bausch