Themed collection Recent Open Access Articles
Single molecule electronic devices with carbon-based materials: status and opportunity
The field of single molecule electronics has progressed remarkably in the past decades by allowing for more versatile molecular functions and improving device fabrication techniques.
Synthesis of emerging 2D layered magnetic materials
van der Waals atomically thin magnetic materials have been recently discovered.
Revisiting anodic alumina templates: from fabrication to applications
Review of Porous Anodic Aluminum Oxide (AAO or NAA) membranes: from fabrication, mechanisms, and internal and surface nanostructuration to applications.
How did correlative atomic force microscopy and super-resolution microscopy evolve in the quest for unravelling enigmas in biology?
This review provides a detailed picture of the innovative efforts to combine atomic force microscopy and different super-resolution microscopy techniques to elucidate biological questions.
Ordered polymer composite materials: challenges and opportunities
Polymer nanocomposites are an important class of materials whose properties are generally tuned as a function of their composition. New opportunities for controlling these properties lie in manipulating the 3D organization of their nanofillers.
Searching for kagome multi-bands and edge states in a predicted organic topological insulator
Topological protection shatters in a predicted organic topological insulator by spontaneously reducing its overall symmetry. The first experimental evidence of a 2D-MOF conjugated band is reported, even in absence of edge states.
Mechanical switching of orientation-related photoluminescence in deep-blue 2D layered perovskite ensembles
The optical anisotropy of layered perovskites is exploited in flexible free-standing polymer films through multiple stretch/release cycles at low tensile stress, to enhance the emission intensity of the resulting composites.
Dual-functional ionic porous organic framework for palladium scavenging and heterogeneous catalysis
The ionic covalent organic framework shows excellent scavenging ability towards [PdCl4]2− in aqueous solution via an ion exchange process. The loaded [PdCl4]2− can be further reduced into Pd nanoparticles for catalyzing Suzuki coupling reactions.
An effective polymeric nanocarrier that allows for active targeting and selective drug delivery in cell coculture systems
A versatile and robust approach for active targeted delivery based on the use of antibody-decorated nanoparticles offering remarkable discrimination efficiency between cocultured cells with different expression levels of a specific marker has been developed.
Catalytic polymersomes to produce strong and long-lasting bioluminescence
Polymersome-based bioluminescent nanocompartment to achieve enzyme protection and switch kinetics to produce a persistent light signal.
Mixing iron oxide nanoparticles with different shape and size for tunable magneto-heating performance
An efficient and versatile strategy is presented to modulate the magneto-heating performance of a nanoparticle system, which consists of mixing nanoparticles with different shape and size and exploiting the magnetic interaction between them.
Born to be different: the formation process of Cu nanoparticles tunes the size trend of the activity for CO2 to CH4 conversion
We investigate the activity of cu nanoparticles for the electrochemical reduction of CO2 into methane. We find that the formation process affects Cu nanoparticles size-dependent activity. This finding traces a new route to the design of nanocatalysts.
High-throughput AFM analysis reveals unwrapping pathways of H3 and CENP-A nucleosomes
The thermal unwrapping pathways of canonical H3 and centromeric CENP-A nucleosomes are elucidated in unprecedented detail by high-throughput analysis of AFM images.
Nano-bio interface between human plasma and niosomes with different formulations indicates protein corona patterns for nanoparticle cell targeting and uptake
Polysorbate effects on nano-bio interactions: niosome (NIO) formulations containing Tween 20 and 21 (TW20/21) and cholesterol are promising drug delivery systems.
Atomically resolved interfacial water structures on crystalline hydrophilic and hydrophobic surfaces
Hydration layers are formed on hydrophilic crystalline surfaces immersed in water.
Bayberry tannin directed assembly of a bifunctional graphene aerogel for simultaneous solar steam generation and marine uranium extraction
A bayberry tannin (BT) directed assembly of a bifunctional graphene aerogel (BGA) has been successfully fabricated, which can simultaneously achieve high performance solar steam generation and uranium adsorption capacity.
Tuning DNA–nanoparticle conjugate properties allows modulation of nuclease activity
A systematic study of the interactions between nucleases and oligonucleotide-coated gold nanoparticles (spherical nucleic acids, SNAs) demonstrates that the modular units of SNAs can be leveraged to either accelerate or suppress nuclease kinetics.
Stabilization effects in binary colloidal Cu and Ag nanoparticle electrodes under electrochemical CO2 reduction conditions
Colloidal Cu and Ag nanoparticles retain their shape during the CO2 reduction reaction (−0.8 V vs. RHE) due to immiscibility of the lattices and synergy at the nanoscale results in enhanced methane and C2 product formation.
Single-layer polymeric tetraoxacirculene modified by s-block metals: toward stable spin qubits and novel superconductors
Tetraoxacirculene based 2D COFs doped with s-block metals possess metallic properties. Doping with Ca results in superconductivity and an open-shell singlet ground state composed of two doublets.
Influence of interaction between surface-modified magnetic nanoparticles with infectious biofilm components in artificial channel digging and biofilm eradication by antibiotics in vitro and in vivo
Artificial channels dug by non-interacting nanoparticles in infectious biofilms enhance antibiotic penetration and bacterial killing in vitro and in vivo.
Single-step chemical vapour deposition of anti-pyramid MoS2/WS2 vertical heterostructures
Abnormal anti-pyramid MoS2/WS2 vertical heterostructures were synthesized by a facile single-step chemical vapour deposition.
Reactive molecular dynamics simulations of hydration shells surrounding spherical TiO2 nanoparticles: implications for proton-transfer reactions
Mechanisms of proton transfer reactions at the interface between realistic TiO2 nanoparticles and water by reactive molecular dynamics simulation.
Self-sustaining enzyme nanocapsules perform on-site chemical reactions
Self-sustaining enzyme nanocapsules were prepared by the interfacial crosslinking of enzymes droplets. They acted both as nanoreactors and a transport module, and were used to transport reagents and perform reactions in different environments.
Shape retaining self-healing metal-coordinated hydrogels
We introduce pyrogallol end-functionalized telechelic PEGs that are crosslinked with di- or trivalent ions to result in self-healing, adhesive hydrogels whose mechanical properties can be varied over an unprecedented range.
Quantification of nanoscale forces in lectin-mediated bacterial attachment and uptake into giant liposomes
Two force probing methods were used to quantify nanoscale forces in the interaction of the bacterial lectin LecA with the glycolipid Gb3, revealing how the interaction aids bacterial attachment and lowers the energy required for bacterial uptake.
The role of grain boundary character in solute segregation and thermal stability of nanocrystalline Pt–Au
In nanocrystalline alloys, the anisotropy in grain boundary segregation and its impact on dynamic solute drag plays a key role in the thermal stability of these systems during processing treatments or under service conditions.
Femtosecond laser driven precessing magnetic gratings
Manipulation and detection of spins at the nanoscale is of considerable contemporary interest as it may not only facilitate a description of fundamental physical processes but also plays a critical role in the development of spintronic devices.
Ionic charge distributions in silicon atomic surface wires
Using a non-contact atomic force microscope (nc-AFM), we examine continuous dangling bond (DB) wire structures patterned on the hydrogen terminated silicon (100)-2 × 1 surface.
Symmetric and asymmetric epitaxial growth of metals (Ag, Pd, and Pt) onto Au nanotriangles: effects of reductants and plasmonic properties
Symmetric and asymmetric epitaxial growth of metals (Ag, Pd, and Pt) onto Au nanotriangles via using L-asorbic acid and/or salicylic acid.
Selective deposition of metal oxide nanoflakes on graphene electrodes to obtain high-performance asymmetric micro-supercapacitors
Interdigitated asymmetric micro-supercapacitors based on Fe2O3 and MnO2 were selectively fabricated by a facile pulse current deposition (PCD) approach.
Conformation-dependent charge transport through short peptides
Machine-learning analyses enable identifying signatures of peptide conformers in single molecule electron transport experiments.
Friction between soft contacts at nanoscale on uncoated and protein-coated surfaces
The influence of elastic modulus on the frictional properties of bio-relevant surfaces at the nanoscale is investigated. The results highlight the importance of selecting model systems that match the mechanical properties of the system of interest.
Quantitative mapping of magnetic properties at the nanoscale with bimodal AFM
We demonstrate that a force microscope operated in a bimodal configuration enables the mapping of magnetic interactions with high quantitative accuracy and high-spatial resolution (∼30 nm).
Nanoscale flow cytometry for immunophenotyping and quantitating extracellular vesicles in blood plasma
Nanoscale flow cytometry permits analysis of small particles in unpurified plasma and supports identification and quantitation of different particle populations.
Thermo-osmosis in hydrophilic nanochannels: mechanism and size effect
Mechanistic understanding of thermo-osmosis at nano scale is linked with non-equilibrium thermodynamics of the phenomenon. Fluid molecules at the boundary layers of solid surfaces experience a driving force which generates thermo-osmotic flow.
NaCl-template-based synthesis of TiO2-Pd/Pt hollow nanospheres for H2O2 direct synthesis and CO oxidation
TiO2-Pd/Pt hollow nanosphere (HNS) are prepared via NaCl templates in a one-pot approach.
Block copolymer–nanodiamond coassembly in solution: towards multifunctional hybrid materials
Coassembly between block copolymers and nanodiamonds (NDs) leads to transparent UV-protective coatings and hybrid superstructures with hierarchical assembly of NDs.
Structural evolution of iron forming iron oxide in a deep eutectic-solvothermal reaction
Iron oxide nanoparticle formation in DES was studied in situ across multiple length scales. Initial chloride-containing iron complexes react to form oxygen-rich species which precipitate. Morphology and growth time are defined by solvent composition.
Phonon-assisted exciton dissociation in transition metal dichalcogenides
The photoresponse in 2D materials is limited by dissociation of tightly-bound excitons via scattering with phonons.
Addressing molecular optomechanical effects in nanocavity-enhanced Raman scattering beyond the single plasmonic mode
A full multimodal description of a plasmonic cavity within a continuum-field model of molecular optomechanics provides new insights into vibrational dynamics and nonlinearities of Surface-Enhanced Raman Scattering (SERS).
Extended curly arrow rules to rationalise and predict structural effects on quantum interference in molecular junctions
An extension to curly arrow rules for the prediction of quantum interference behaviour in conjugated molecular wires widens the scope of this simple graphical method to wires containing heteroatoms, cross-conjugation and/or non-alternant structures.
Heparin length in the coating of extremely small iron oxide nanoparticles regulates in vivo theranostic applications
The length of heparin oligosaccharides in the coating of extremely small iron oxide nanoparticles can control core size during synthesis for optimal positive MRI contrast, endow probes with specific bioactivities and majorly impact the in vivo pharmacokinetic properties.
Predicting the bulk modulus of single-layer covalent organic frameworks with square-lattice topology from molecular building-block properties
This computational study establishes a correlation between the elastic properties of COFs and their building-blocks towards the rational design of new materials with tailored properties.
A universal signature in the melting of metallic nanoparticles
We unveil a universal feature in the distribution of the atomic-pair distances that characterizes the melting of monometallic nanoparticles, in vacuum or in a strongly interacting environment, regardless of their size, shape, and composition.
Sensibilization of p-NiO with ZnSe/CdS and CdS/ZnSe quantum dots for photoelectrochemical water reduction
Pairing ZnSe/CdS and CdS/ZnSe core/shell quantum dots with NiO thin film photocathodes enhances the photoelectrochemical water reduction.
Intracellular optical probing with gold nanostars
The morphology of non-functionalized gold nanostars determines the surface protein structure and their interaction with the endolysosomal compartment in cells.
Polarized emission of CdSe nanocrystals in magnetic field: the role of phonon-assisted recombination of the dark exciton
Optical phonon-assisted emission of dark excitons controls the intensity and maximum position of σ− and σ+ polarized photoluminescence of CdSe nanocrystals.
Local administration of stem cell-derived extracellular vesicles in a thermoresponsive hydrogel promotes a pro-healing effect in a rat model of colo-cutaneous post-surgical fistula
Local minimally-invasive EV delivery on a thermo-actuated PF-127 gel enhanced EV residence time in colo-cutaneous fistulas promoting a therapeutic effect.
Post-translational modifications soften vimentin intermediate filaments
We mechanically tested partially phosphorylated vimentin intermediate filaments using optical traps and found that the additional charges considerably soften the filaments.
Tailored synthesis approach of (Mo2/3Y1/3)2AlC i-MAX and its two-dimensional derivative Mo1.33CTz MXene: enhancing the yield, quality, and performance in supercapacitor applications
Tailored synthesis method is used to produce higher yield of (Mo2/3Y1/3)2AlC i-MAX, for realization of 2D Mo1.33CTz MXene with ordered vacancies, the latter shows electrochemical performance equivalent to that produced from the Sc containing i-MAX.
Tuneable interfacial surfactant aggregates mimic lyotropic phases and facilitate large scale nanopatterning
Self-assembly of insoluble surfactants imposes curvature restrictions on the air–water interface which leads to 3D nanopatterns that can be deposited onto solid surfaces.
Substrate adhesion evolves non-monotonically with processing time in millimeter-scale aligned carbon nanotube arrays
Aligned carbon nanotube (CNT) array adhesion strength evolves with CNT process time, decreasing and then increasing during growth and annealing, as captured by models relating CNT diameter, array effective modulus, and CNT–substrate work of adhesion.
In situ total scattering experiments of nucleation and crystallisation of tantalum-based oxides: from highly dilute solutions via cluster formation to nanoparticles
The formation mechanism of amorphous tantalum oxides was studied by total scattering experiments starting from alkoxide precursors. Hydrolysed TaxOyHz clusters form in highly dilute solutions which were transformed into L-Ta2O5 by calcination.
Optical magnetic lens: towards actively tunable terahertz optics
2D materials immersed into a non-uniform, profiled magnetic field can focus THz light. This opens the door to novel magnetically-tunable 2D lenses for ultrafast applications.
Local scale structural changes of working OFET devices
Spatially resolved microstructural studies of operating P3HT OFET resolved by nanoGIXD.
Template-assisted vapour–liquid–solid growth of InP nanowires on (001) InP and Si substrates
We report on the synthesis of InP nanowire arrays on (001) InP and Si substrates using template-assisted vapour–liquid–solid growth. We also demonstrate growth of InP nanowire p–n junctions and InP/InAs/InP nanowire heterostructures on (001) InP substrates.
GaAs nanoscale membranes: prospects for seamless integration of III–Vs on silicon
Selective area epitaxy of GaAs nanoscale membranes on silicon. Small apertures result in a majority defect-free structures.
Predictive theoretical screening of phase stability for chemical order and disorder in quaternary 312 and 413 MAX phases
Prediction of chemical order or disorder upon metal alloying in MAX phases.
Luminescent down-shifting CsPbBr3 perovskite nanocrystals for flexible Cu(In,Ga)Se2 solar cells
To overcome the parasitic absorption of UV light in the transparent conductive oxide layer of flexible CIGS solar cells, a CsPbBr3 perovskite nanocrystal based luminescent down-shifting layer was integrated on flexible CIGS solar cells.
Skin irritation potential of graphene-based materials using a non-animal test
Graphene related materials, if prepared with non-irritant exfoliation agents, do not induce skin irritation on a 3D model of human epidermis, following the OECD guideline 439.
Correction: Suppression of metal-to-insulator transition using strong interfacial coupling at cubic and orthorhombic perovskite oxide heterointerfaces
Correction: Strong coupling of emitters to single plasmonic nanoparticles: exciton-induced transparency and Rabi splitting
Correction: Electronic conductance and thermopower of single-molecule junctions of oligo(phenyleneethynylene) derivatives
Correction: Cyclodextrin-based superparamagnetic host vesicles as ultrasensitive nanobiocarriers for electrosensing
Correction: Mirror twin boundaries in MoSe2 monolayers as one dimensional nanotemplates for selective water adsorption
Correction: PLGA protein nanocarriers with tailor-made fluorescence/MRI/PET imaging modalities
Correction: Carbon dots with tunable dual emissions: from the mechanism to the specific imaging of endoplasmic reticulum polarity
Correction: An ultrahigh thermal conductive graphene flexible paper
Correction: Electrostatically modulated magnetophoretic transport of functionalised iron-oxide nanoparticles through hydrated networks
Correction: Largely enhanced thermoelectric effect and pure spin current in silicene-based devices under hydrogen modification
About this collection
This collection contains recent Open Access articles published by Nanoscale. New articles will be added to this webpage as soon as possible after publication.