Themed collection Recent Open Access Articles in Frontiers Journals

132 items - Showing page 1 of 2
Open Access Highlight

Neglected sulfur(VI) pharmacophores in drug discovery: exploration of novel chemical space by the interplay of drug design and method development

The key learnings of the utilization of sulfoximines, sulfondiimines and sulfonimidamides in drug discovery at Bayer AG are shared.

Graphical abstract: Neglected sulfur(vi) pharmacophores in drug discovery: exploration of novel chemical space by the interplay of drug design and method development
Open Access Review Article

Site-selective modification of peptide backbones

Exciting developments in the site-selective modification of peptide backbones are allowing an outstanding fine-tuning of peptide conformation, folding ability, and physico-chemical and biological properties.

Graphical abstract: Site-selective modification of peptide backbones
Open Access Review Article

Advanced XPS characterization: XPS-based multi-technique analyses for comprehensive understanding of functional materials

X-ray photoelectron spectroscopy (XPS) has achieved maturity as an analytical technique in the materials community, however as made apparent by recent reviews highlighting it's misuse, it is a practice which is often misunderstood.

Graphical abstract: Advanced XPS characterization: XPS-based multi-technique analyses for comprehensive understanding of functional materials
Open Access Review Article

Direct synthetic routes to functionalised crown ethers

Modification of crown ethers via grafting of functional groups represents a convenient yet underexplored tool.

Graphical abstract: Direct synthetic routes to functionalised crown ethers
Open Access Review Article

Emerging computational approaches for the study of regio- and stereoselectivity in organic synthesis

Computational chemistry has become important in organic synthesis as it provides a detailed understanding of molecular structures and properties and detailed reaction mechanisms.

Graphical abstract: Emerging computational approaches for the study of regio- and stereoselectivity in organic synthesis
Open Access Review Article

Green strategies for transition metal-catalyzed C–H activation in molecular syntheses

Sustainable strategies for the activation of inert C–H bonds towards improved resource-economy.

Graphical abstract: Green strategies for transition metal-catalyzed C–H activation in molecular syntheses
Open Access Review Article

Structural variation of self-assembled lanthanide supramolecular complexes induced by reaction conditions

The structural variation of self-assembled lanthanide supramolecular complexes which can be induced by different factors such as concentration, anion and solvent, cationic radii, stoichiometric ratio and light.

Graphical abstract: Structural variation of self-assembled lanthanide supramolecular complexes induced by reaction conditions
Open Access Review Article

Recent advances in understanding oxygen evolution reaction mechanisms over iridium oxide

Recent spectroscopic and computational studies concerning the oxygen evolution reaction over iridium oxides are reviewed to provide the state-of-the-art understanding of its reaction mechanism.

Graphical abstract: Recent advances in understanding oxygen evolution reaction mechanisms over iridium oxide
Open Access Review Article

Heterometallic coordination polymers as heterogeneous electrocatalysts

Heterometallic coordination polymers have been rapidly developed as heterogeneous electrocatalysts. This review highlights the synthesis strategies of these polymers and the relationships between structures and electrocatalytic performances.

Graphical abstract: Heterometallic coordination polymers as heterogeneous electrocatalysts
Open Access Review Article

Photodynamic therapy: photosensitizers and nanostructures

Photodynamic therapy (PDT) uses photosensitizers (PSs) to treat some skin and eye diseases, and certain types of cancer. In this review, we summarise the strategies to design PSs and how they can be incorporated into different nanostructures.

Graphical abstract: Photodynamic therapy: photosensitizers and nanostructures
Open Access Review Article

Stereoselective synthesis and applications of spirocyclic oxindoles

This review summaries recent synthetic developments towards spirocyclic oxindoles and applications as valuable medicinal and synthetic targets.

Graphical abstract: Stereoselective synthesis and applications of spirocyclic oxindoles
Open Access Review Article

Nanocarriers used as probes for super-resolution microscopy

Super-resolution microscopy (SRM) has revolutionized cell biology, enabling visualization of cellular structures with nanometric resolution, single-molecule sensitivity, and with multiple colors. Here we review how nanocontainers have been used to enhance these techniques.

Graphical abstract: Nanocarriers used as probes for super-resolution microscopy
Open Access Review Article

Recent advances in oligomers/polymers with unconventional chromophores

Unorthodox chromophores enjoy the advantages of better hydrophilicity, large structural diversity, low-cost and facile synthesis, high chain flexibility and good biocompatibility compared to conventional chromophores, leading to many applications.

Graphical abstract: Recent advances in oligomers/polymers with unconventional chromophores
Open Access Review Article

A diversity of recently reported methodology for asymmetric imine reduction

This review describes recent developments in enantioselective imine reduction, including related substrates in which a C[double bond, length as m-dash]N bond is the target for reduction, and in situ methods.

Graphical abstract: A diversity of recently reported methodology for asymmetric imine reduction
Open Access Review Article

Ring-opening Metathesis Polymerisation derived poly(dicyclopentadiene) based materials

This review article summarises the academic work in the fields of initiator development, polymer chemistry and physics, composites, self-healing composites, novel processing opportunities and macro-as well as microporous materials.

Graphical abstract: Ring-opening Metathesis Polymerisation derived poly(dicyclopentadiene) based materials
Open Access Review Article

Biosafety materials: an emerging new research direction of materials science from the COVID-19 outbreak

We first officially propose the brand-new concept of “biosafety materials”, which utilizes materials science to solve biosafety problems.

Graphical abstract: Biosafety materials: an emerging new research direction of materials science from the COVID-19 outbreak
Open Access Review Article

High-order structures from nucleic acids for biomedical applications

This article reviews important developments in DNA nanotechnology and RNA nanotechnology and highlights supramolecular nucleic acid structures with biomedical applications.

Graphical abstract: High-order structures from nucleic acids for biomedical applications
Open Access Review Article

Chemically modified electrodes with MOFs for the determination of inorganic and organic analytes via voltammetric techniques: a critical review

Current status on MOF-modified electrodes for voltammetric analyses of inorganic/organic species is critically discussed. We provide future research directions and specific criteria that MOFs should satisfy prior to their use as electrode modifiers.

Graphical abstract: Chemically modified electrodes with MOFs for the determination of inorganic and organic analytes via voltammetric techniques: a critical review
Open Access Review Article

Electro-activity and magnetic switching in lanthanide-based single-molecule magnets

The present work reviews switching of single-molecule magnetic behaviour achieved through various stimuli such as temperature, light irradiation, redox processes, solvation/desolvation, and magnetic field.

Graphical abstract: Electro-activity and magnetic switching in lanthanide-based single-molecule magnets
Open Access Review Article

Diazido platinum(IV) complexes for photoactivated anticancer chemotherapy

Diazido Pt(IV) complexes with a general formula [Pt(N3)2(L)(L′)(OR)(OR′)] are a new generation of anticancer prodrugs designed for use in photoactivated chemotherapy.

Graphical abstract: Diazido platinum(iv) complexes for photoactivated anticancer chemotherapy
Open Access Review Article

Progress in the synthesis of perylene bisimide dyes

Rapid progress in the synthesis of perylene bisimide dyes gave an old scaffold new life.

Graphical abstract: Progress in the synthesis of perylene bisimide dyes
Open Access Research Article

Sequence-sorted redox-switchable hetero[3]rotaxanes

Programming the sequence of functional units in redox-switchable hetero[3]rotaxanes is achieved by integrative self-sorting for a library of five crown ethers.

Graphical abstract: Sequence-sorted redox-switchable hetero[3]rotaxanes
Open Access Research Article

Gating the photoactivity of azobenzene-type ligands trapped within a dynamic system of an M4L6 tetrahedral cage, an M2L2 metallocycle and mononuclear MLn complexes

Complexation of metal ions by a ligand bearing a azobenzene linker yielded two types of complexes: an [M2L2]4+ metallocycle and an [M4L6]8+ tetrahedral cage, which can be further converted into libraries of mononuclear [M(L′/L′′)n]2+ species.

Graphical abstract: Gating the photoactivity of azobenzene-type ligands trapped within a dynamic system of an M4L6 tetrahedral cage, an M2L2 metallocycle and mononuclear MLn complexes
Open Access Research Article

Wanzlick's equilibrium in tri- and tetraaminoolefins

How to isolate small carbenes, previously reported to from dimers instantaneously, and how to split triaminoolefins into free carbenes.

Graphical abstract: Wanzlick's equilibrium in tri- and tetraaminoolefins
Open Access Research Article

Homolysis/mesolysis of alkoxyamines activated by chemical oxidation and photochemical-triggered radical reactions at room temperature

Instantaneous and spontaneous room temperature C–ON bond mesolysis of alkoxyamines triggered by chemical oxidation.

Graphical abstract: Homolysis/mesolysis of alkoxyamines activated by chemical oxidation and photochemical-triggered radical reactions at room temperature
Open Access Research Article

Photochemical CO2 conversion on pristine and Mg-doped gallium nitride (GaN): a comprehensive DFT study based on a cluster model approach

Photochemical reduction of carbon dioxide into methanol on bare and Mg-doped gallium nitrides. A detailed DFT study to shed light on the photocatalytic activity of this promising material.

Graphical abstract: Photochemical CO2 conversion on pristine and Mg-doped gallium nitride (GaN): a comprehensive DFT study based on a cluster model approach
Open Access Research Article

Amphiphilic-like carbon dots as antitumoral drug vehicles and phototherapeutical agents

Amphiphilic-like carbon dots bearing ionizable carboxylate groups and hydrophobic alkyl chains entrap hydrophobic molecules and solubilize them in aqueous systems. In nanomedicine they can be used as drug delivery systems and phototherapeutic agents.

Graphical abstract: Amphiphilic-like carbon dots as antitumoral drug vehicles and phototherapeutical agents
Open Access Research Article

Multigram synthesis of an orthogonally-protected pentasaccharide for use as a glycan precursor in a Shigella flexneri 3a conjugate vaccine: application to a ready-for-conjugation decasaccharide

Fine-tuned catalytic processes facilitating regio- and stereoselective conversions for the large-scale synthesis of a pentasaccharide and its oligomerization into ready-for-conjugation haptens.

Graphical abstract: Multigram synthesis of an orthogonally-protected pentasaccharide for use as a glycan precursor in a Shigella flexneri 3a conjugate vaccine: application to a ready-for-conjugation decasaccharide
Open Access Research Article

Deoxygenative nucleophilic difluoromethylselenylation of carboxylic acids and alcohols with BT-SeCF2H

BT-SeCF2H is introduced as a nucleophilic reagent for the deoxygenative difluoromethylselenylation of readily available carboxylic acid and alcohols.

Graphical abstract: Deoxygenative nucleophilic difluoromethylselenylation of carboxylic acids and alcohols with BT-SeCF2H
Open Access Research Article

An expedient, mild and aqueous method for Suzuki–Miyaura diversification of (hetero)aryl halides or (poly)chlorinated pharmaceuticals

Simple, aqueous and direct cross-coupling of diverse and complex (hetero)aromatic halides and active pharmaceutical agents.

Graphical abstract: An expedient, mild and aqueous method for Suzuki–Miyaura diversification of (hetero)aryl halides or (poly)chlorinated pharmaceuticals
Open Access Research Article

Radical cations and dications of bis[1]benzothieno[1,4]thiazine isomers

Radical cations and dications of three isomeric bis[1]benzothieno[1,4]thiazines are (electro)chemically generated, spectroscopically characterized and assigned by (TD)DFT calculations.

Graphical abstract: Radical cations and dications of bis[1]benzothieno[1,4]thiazine isomers
Open Access Research Article

Induced fit activity-based sensing: a mechanistic study of pyrophosphate detection with a “flexible” Fe-salen complex

A detailed mechanistic study of pyrophosphate (PPi) detection with a fluorometric Fe-salen based probe unravels the key structural switch of the Fe-bound PPi (“induced fit principle”) explaining the novel selectivity over other competing analytes.

Graphical abstract: Induced fit activity-based sensing: a mechanistic study of pyrophosphate detection with a “flexible” Fe-salen complex
Open Access Research Article

Extended enantiopure ortho-phenylene ethylene (o-OPE)-based helical systems as scaffolds for supramolecular architectures: a study of chiroptical response and its connection to the CISS effect

Versatile enantiopure helical systems are described and are of interest owing to their intense chiroptical responses, their attractive architecture for metallosupramolecular chemistry and CISS effect.

Graphical abstract: Extended enantiopure ortho-phenylene ethylene (o-OPE)-based helical systems as scaffolds for supramolecular architectures: a study of chiroptical response and its connection to the CISS effect
Open Access Research Article

Self-organizing gelatin–polycaprplactone materials with good fluid transmission can promote full-thickness skin regeneration

Gt–PCL composite materials, synthesized with polycaprplactone, gelatin and collagen, showed an improved epidermal healing rate and were able to respond and repair in advance.

Graphical abstract: Self-organizing gelatin–polycaprplactone materials with good fluid transmission can promote full-thickness skin regeneration
Open Access Research Article

A bifunctional robust metal sulfide with highly selective capture of Pb2+ ions and luminescence sensing ability for heavy metals in aqueous media

A 3-D metal sulfide ion exchanger (MSIE) with extra-framework H+ ions showed a remarkable capability for sorption of Pb2+ ions and highly efficient luminescence sensing properties towards various heavy metal ions.

Graphical abstract: A bifunctional robust metal sulfide with highly selective capture of Pb2+ ions and luminescence sensing ability for heavy metals in aqueous media
Open Access Research Article

Functional group introduction and aromatic unit variation in a set of π-conjugated macrocycles: revealing the central role of local and global aromaticity

Insights into how the optoelectronic properties of π-conjugated macrocycles evolve as a result of systematic structural changes are presented, helping to develop structure–property relationships and molecular design guidelines.

Graphical abstract: Functional group introduction and aromatic unit variation in a set of π-conjugated macrocycles: revealing the central role of local and global aromaticity
Open Access Research Article

Aqueous assembly of a (pseudo)rotaxane with a donor–π–acceptor axis formed by a Knoevenagel condensation

The incorporation of a linear D–π–A “push–pull” chromophore synthesized by a Knoevenagel condensation as axle of a rotaxane is reported.

Graphical abstract: Aqueous assembly of a (pseudo)rotaxane with a donor–π–acceptor axis formed by a Knoevenagel condensation
Open Access Research Article

Elemental mapping of half-sandwich azopyridine osmium arene complexes in cancer cells

Nanofocused synchrotron X-ray fluorescence and inductively coupled plasma-mass spectrometry provide insights into time-dependent ligand exchange reactions of organo-osmium anticancer complexes in cancer cells. Created with Biorender.com.

Graphical abstract: Elemental mapping of half-sandwich azopyridine osmium arene complexes in cancer cells
Open Access Research Article

Exploiting coordination geometry to tune the dimensions and processability of metallosupramolecular polymers

The increase in preorganization associated with coordination geometry changes is exploited to regulate solvation effects and, in turn, processability of metallosupramolecular polymers exhibiting close metal–metal contacts.

Graphical abstract: Exploiting coordination geometry to tune the dimensions and processability of metallosupramolecular polymers
Open Access Research Article

Experimental and theoretical evidence of charge transfer in multi-component alloys – how chemical interactions reduce atomic size mismatch

Ab initio DFT simulations show significant charge transfer in multi-component alloys reducing atomic mismatch, which is confirmed by X-ray photoelectron spectroscopy.

Graphical abstract: Experimental and theoretical evidence of charge transfer in multi-component alloys – how chemical interactions reduce atomic size mismatch
Open Access Research Article

M/TiO2 (M = Fe, Co, Ni, Cu, Zn) catalysts for photocatalytic hydrogen production under UV and visible light irradiation

Cu/TiO2 photocatalysts can be considered a promising low-cost alternative to the well-known Pt/TiO2 system for hydrogen production under UV-Vis irradiation.

Graphical abstract: M/TiO2 (M = Fe, Co, Ni, Cu, Zn) catalysts for photocatalytic hydrogen production under UV and visible light irradiation
Open Access Research Article

Cucurbitimines – imine cages with concave walls

Kinked tetraaldehyde building blocks lead in condensation reactions with diamines to pumpkin shaped cages – the cucurbitimines.

Graphical abstract: Cucurbitimines – imine cages with concave walls
Open Access Research Article

Dual-stimuli pseudorotaxane switches under kinetic control

Dual-stimuli pseudorotaxane switches: Threaded complexes dissociate upon deprotonation or oxidation. A mechanical bond changes the influence of a ‘speed bump’ on the outcome of a switching event.

Graphical abstract: Dual-stimuli pseudorotaxane switches under kinetic control
Open Access Research Article

In situ real-time monitoring of the mechanism of self-assembly of short peptide supramolecular polymers

The mechanism of self-assembly of amphiphilic short peptides has been studied in detail by the combination of multiparametric FLIM microscopy and single-molecule FLCS.

Graphical abstract: In situ real-time monitoring of the mechanism of self-assembly of short peptide supramolecular polymers
Open Access Research Article

Mild reductive rearrangement of oximes and oxime ethers to secondary amines with hydrosilanes catalyzed by B(C6F5)3

Oximes, its ether derivatives and the corresponding hydroxylamines rearrange to secondary amines when reacted with PhSiH3 and B(C6F5)3 as catalyst. Computations suggest a reduction–rearrangement to be slightly favored over a Beckmann-type sequence.

Graphical abstract: Mild reductive rearrangement of oximes and oxime ethers to secondary amines with hydrosilanes catalyzed by B(C6F5)3
Open Access Research Article

The sol–gel autocombustion as a route towards highly CO2-selective, active and long-term stable Cu/ZrO2 methanol steam reforming catalysts

The adaption of the sol–gel autocombustion method to the Cu/ZrO2 system opens new pathways for the specific optimisation of the activity, long-term stability and CO2 selectivity of methanol steam reforming (MSR) catalysts.

Graphical abstract: The sol–gel autocombustion as a route towards highly CO2-selective, active and long-term stable Cu/ZrO2 methanol steam reforming catalysts
Open Access Research Article

Cork-derived hierarchically porous hydroxyapatite with different stoichiometries for biomedical and environmental applications

Hierarchically porous hydroxyapatite derived from cork powder shows excellent performance in biomedicine (low cytotoxicity) and environmental remediation (high Pb2+ removal).

Graphical abstract: Cork-derived hierarchically porous hydroxyapatite with different stoichiometries for biomedical and environmental applications
Open Access Research Article

Rational design of aqueous conjugated polymer nanoparticles as potential theranostic agents of breast cancer

Aqueous conjugated polymer nanoparticles developed by nanoprecipitation from a quinoxaline–thiophene type conjugated polymer with 3 fluorine atoms as potential cancer theranostics for breast cancer.

Graphical abstract: Rational design of aqueous conjugated polymer nanoparticles as potential theranostic agents of breast cancer
Open Access Research Article

Effect of dz2 orbital electron-distribution of La-based inorganic perovskites on surface kinetics of a model reaction

Lanthanum-based perovskites, LaMO3 (M = Co, Fe, Mn, Ni, Cr, Cu, Zn) were synthesized using sol–gel method and characterised using both physical and chemical techniques.

Graphical abstract: Effect of dz2 orbital electron-distribution of La-based inorganic perovskites on surface kinetics of a model reaction
Open Access Research Article

Multi-technique structural characterization of glass foams with complex pore structures obtained through phase separation

Typical pore characterization techniques combined with computed tomography provided a complete description of the multimodal porous architecture of novel glass foams synthesised via foaming process followed by phase-separation and selective leaching.

Graphical abstract: Multi-technique structural characterization of glass foams with complex pore structures obtained through phase separation
Open Access Research Article

Silica gel-induced aryne generation from o-triazenylarylboronic acids as stable solid precursors

We developed o-triazenylarylboronic acids as stable solid aryne precursors, which generate arynes under mild conditions using silica gel as the sole reagent and undergo reactions with a range of arynophiles both in solution and in the solid-state.

Graphical abstract: Silica gel-induced aryne generation from o-triazenylarylboronic acids as stable solid precursors
Open Access Research Article

Organo-redox-catalysis for the difunctionalization of alkenes and oxidative Ritter reactions by C–H functionalization

Roll over transition metals-triarylamines are redox-catalysts, enabling olefin difunctionalization and C–H functionalization reactions by activating benzoyl peroxide.

Graphical abstract: Organo-redox-catalysis for the difunctionalization of alkenes and oxidative Ritter reactions by C–H functionalization
Open Access Research Article

Ceria doping boosts methylene blue photodegradation in titania nanostructures

The photocatalytic activity of titania nanotubes and nanoparticles toward methylene blue (MB) can be enhanced through addition of a small amount of Ce. MB acts as a hole scavenger, fastening the photocatalytic process.

Graphical abstract: Ceria doping boosts methylene blue photodegradation in titania nanostructures
Open Access Research Article

Diversifying the luminescence of phenanthro-diimine ligands in zinc complexes

Strongly blue fluorescent 1-phenyl-2-(pyridin-2-yl)-1H-phenanthro[9,10-d]imidazole (L1) is a facile block for the construction of multichromophore organic molecules, and simultaneously serves as a chelating diimine ligand.

Graphical abstract: Diversifying the luminescence of phenanthro-diimine ligands in zinc complexes
Open Access Research Article

Development of a cobalt(III)-based ponatinib prodrug system

This study presents the first hypoxia-activatable cobalt(III) prodrugs of the clinically approved tyrosine kinase inhibitor ponatinib. The chemical properties of the complexes have been correlated with the in vivo antitumor activity.

Graphical abstract: Development of a cobalt(iii)-based ponatinib prodrug system
Open Access Research Article

Hole-mediated photoredox catalysis: tris(p-substituted)biarylaminium radical cations as tunable, precomplexing and potent photooxidants

Triarylamines are demonstrated as novel, tunable electroactivated photocatalysts that use dispersion precomplexation to harness the full potential of the visible photon (>4.0 V vs. SCE) in anti-Kasha photo(electro)chemical super-oxidations of arenes.

Graphical abstract: Hole-mediated photoredox catalysis: tris(p-substituted)biarylaminium radical cations as tunable, precomplexing and potent photooxidants
Open Access Research Article

Nanoscale chemical speciation of β-amyloid/iron aggregates using soft X-ray spectromicroscopy

Nanoscale resolution X-ray spectromicroscopy shows the co-incubation of β-amyloid (Aβ) and iron(III) to result in aggregate structures displaying nanoscale heterogeneity in Aβ and iron chemistry, including the formation of potentially cytotoxic Fe0.

Graphical abstract: Nanoscale chemical speciation of β-amyloid/iron aggregates using soft X-ray spectromicroscopy
Open Access Research Article

Covalent functionalization of two-dimensional black phosphorus nanosheets with porphyrins and their photophysical characterization

Photoactive porphyrins are covalently attached onto black phosphorus nanosheets (BPNSs) through a direct phosphorus–carbon linkage using diazonium chemistry. This hybrid material is further studied using different characterization techniques.

Graphical abstract: Covalent functionalization of two-dimensional black phosphorus nanosheets with porphyrins and their photophysical characterization
Open Access Research Article

Insight into the structure–property relationship of UO2 nanoparticles

We show that the structural and electronic properties of UO2 NPs (2–3 nm) are similar to those of bulk UO2 under inert conditions, with U(IV) as the dominating oxidation state, though NPs oxidize with time and under the X-ray beam.

Graphical abstract: Insight into the structure–property relationship of UO2 nanoparticles
Open Access Research Article

Mayenite-based electride C12A7e: an innovative synthetic method via plasma arc melting

The plasma arc melting of mixtures of oxygen-mayenite and solid-reductants (aluminum and graphite) enables the scalable synthesis of mayenite-based electrides with treatment times below one minute.

Graphical abstract: Mayenite-based electride C12A7e−: an innovative synthetic method via plasma arc melting
Open Access Research Article

Metal–organic frameworks vs. buffers: case study of UiO-66 stability

The combination of zirconium-based MOF UiO-66 with buffered environment leads to UiO-66 decomposition.

Graphical abstract: Metal–organic frameworks vs. buffers: case study of UiO-66 stability
Open Access Research Article

Aluminium(III) and zinc(II) complexes of azobenzene-containing ligands for ring-opening polymerisation of ε-caprolactone and rac-lactide

The ability to control the outcome of polymerisations using an external stimulus remains a formidable challenge.

Graphical abstract: Aluminium(iii) and zinc(ii) complexes of azobenzene-containing ligands for ring-opening polymerisation of ε-caprolactone and rac-lactide
Open Access Research Article

Redox activity of a dissymmetric ligand bridging divalent ytter-bium and reactive nickel fragments

The reaction of a nickel complex bearing a redox-active dissymmetric ligand (Kbimpm) with a divalent lanthanide complex, Cp*2Yb(OEt2) affords an unprecedented, trimeric complex with C(sp3)–C(sp3) bond formation between two ligands in an exo position.

Graphical abstract: Redox activity of a dissymmetric ligand bridging divalent ytter-bium and reactive nickel fragments
Open Access Research Article

Smart active antibiotic nanocarriers with protease surface functionality can overcome biofilms of resistant bacteria

We developed a novel active nanocarrier of common antibiotics, which can efficiently degrade biofilms of resistant bacteria and bypass their defences.

Graphical abstract: Smart active antibiotic nanocarriers with protease surface functionality can overcome biofilms of resistant bacteria
Open Access Research Article

Dual-template approach to hierarchically porous polymer membranes

A dual-template approach is used to embed multilevel porosity into poly(ethersulfone) membranes prepared by non-solvent induced phase separation, leading to a 95% increase in permeability.

Graphical abstract: Dual-template approach to hierarchically porous polymer membranes
Open Access Research Article

Rotation of fullerene molecules in the crystal lattice of fullerene/porphyrin: C60 and Sc3N@C80

The temperature driven rotation of the encapsulated Sc3N cluster in a C80 fullerene cage was unraveled by variable temperature X-ray diffraction, which is significantly different from its analogues (Ho2LuN/Lu3N).

Graphical abstract: Rotation of fullerene molecules in the crystal lattice of fullerene/porphyrin: C60 and Sc3N@C80
Open Access Research Article

Cyclobutene based macrocycles

Nanoscopic macrocycles could have unusual magnetic, optical, and electronic properties when compared to their linear counterparts.

Graphical abstract: Cyclobutene based macrocycles
Open Access Research Article

Purity of organic semiconductors as a key factor for the performance of organic electronic devices

Effects of purification were studied in organic field effect transistors. The results presented here indicate that the purity of organic semiconductors is a key parameter to achieve high performance for the field of organic field effect transistors.

Graphical abstract: Purity of organic semiconductors as a key factor for the performance of organic electronic devices
Open Access Research Article

Exploiting trifluoromethyl substituents for tuning orbital character of singlet and triplet states to increase the rate of thermally activated delayed fluorescence

This work shows that trifluoromethyl (CF3) substituents can be used to increase the rate of thermally activated delayed fluorescence (TADF) in conjugated organic molecules by tuning the excitonic character of the singlet and triplet excited states.

Graphical abstract: Exploiting trifluoromethyl substituents for tuning orbital character of singlet and triplet states to increase the rate of thermally activated delayed fluorescence
Open Access Research Article

Protonic acid doping of low band-gap conjugated polyions

Conjugated polyions (CPIs) offer synthetic tunability and selective processing into insulating, semiconducting and metallic states simply by controlling acidity.

Graphical abstract: Protonic acid doping of low band-gap conjugated polyions
132 items - Showing page 1 of 2

About this collection

This collection contains recent Open Access articles published from  Frontiers journals (Inorganic Chemistry Frontiers, Organic Chemistry Frontiers and Materials Chemistry Frontiers) . New articles will be added to this webpage as soon as possible after publication.

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