Cobalt fluorides: preparation, reactivity and applications in catalytic fluorination and C–F functionalization
The preparation, reactivity and catalytic applications of cobalt fluorides in fluorination and C–F functionalization have been highlighted.
Modulation of electronic structures in two-dimensional electrocatalysts for the hydrogen evolution reaction
The electrocatalytic hydrogen evolution reaction (HER) has attracted substantial attention owing to its important role in realizing economic and sustainable hydrogen production via water electrolysis.
Metal–organic framework based nanozymes: promising materials for biochemical analysis
Metal–organic frameworks with enzyme-like catalytic features (MOF nanozymes) exhibit great promise in detecting various analytes with amplified signal outputs.
Thieno[3,4-c]pyrrole-4,6-dione-based conjugated polymers for organic solar cells
Thieno[3,4-c]pyrrole-4,6-dione (TPD) based conjugated polymers as an electron donor, acceptor and single-component for application in organic solar cells in the past ten years have been intensively reviewed in this Feature Article.
Perspective on theoretical methods and modeling relating to electro-catalysis processes
Theoretical methods and models for the description of thermodynamics and kinetics in electro-catalysis, including solvent effects, externally applied potentials, and many-body interactions, are discussed.
Porous materials as carriers of gasotransmitters towards gas biology and therapeutic applications
This review highlights the strategies employed to load and release gasotransmitters such as NO, CO and H2S from different kinds of porous materials, including zeolites, mesoporous silica, metal–organic frameworks and protein assemblies.
Imines as acceptors and donors in N-heterocyclic carbene (NHC) organocatalysis
The application of imines as electrophiles (acceptors) or as a source of nucleophiles (donors) in N-heterocyclic carbene (NHC) catalysis for the synthesis of various nitrogen heterocycles and functionalized amines is presented.
Biomimetic self-assembly of subcellular structures
This article summarizes recent progress on biomimetic subcellular structures and discusses integration of these isolated systems.
Single atomic site catalysts: synthesis, characterization, and applications
This feature article summarizes the recent contributions of the authors in the synthesis, characterization, and applications of SASCs.
Reactivity descriptors in acid catalysis: acid strength, proton affinity and host–guest interactions
Acid strength and proton affinity, the independent properties of catalysts and molecules, are incomplete descriptors of because cations and conjugate anions reorganize their charges as they interact as bound intermediates and transition states.
Recent advances in metal-catalysed asymmetric sequential double hydrofunctionalization of alkynes
Recent advances in various metal-catalysed asymmetric sequential double hydrofunctionalizations of alkynes have been highlighted in this feature article.
A phosphine-free iron complex-catalyzed synthesis of cycloalkanes via the borrowing hydrogen strategy
Herein we report a diaminocyclopentadienone iron tricarbonyl complex catalyzed synthesis of substituted cyclopentane, cyclohexane and cycloheptane compounds using the borrowing hydrogen strategy in the presence of various substituted primary and secondary 1,n diols as alkylating reagents.
Hydrophobicity-driven folding and seeded polymerization of cystine-based dimeric diamides in aqueous media
Hydrophobicity-driven folding of cystine-based dimeric diamides with aromatic substituents at the C- and N-termini slows their spontaneous assembly and thus seeded supramolecular polymerization was achieved in aqueous media.
Three-component ruthenium-catalyzed remote C–H functionalization of 8-aminoquinoline amides
Multicomponent reactions can efficiently construct complex molecular structures from simple precursors.
K4Cu3(C3N3O3)2X (X = Cl, Br): strong anisotropic layered semiconductors containing mixed p–p and d–p conjugated π-bonds
Metal cyanurates K4Cu3(C3N3O3)2X (X = Cl, Br) containing π-conjugated anions are synthesized in flame-sealed silica tubes and they exhibit 2D graphene-like layered structures and intriguing semiconductor behaviors.
All-metal Baird aromaticity
We have proven that Baird's rule can also be applied to a series of all-metal species with both σ- and π-aromaticity.
Multibranched aliphatic side chains for π-conjugated polymers with a high density of ‘unshielded’ aromatics
Strongly solubilising multibranched aliphatic side chains for π-conjugated polymers are reported, enabling soluble polymers with a high density of unsubstituted, ‘unshielded’ aromatics.
Facile one-pot synthesis of cyclic peptide-conjugated photosensitisers for targeted photodynamic therapy
A facile synthetic strategy for in situ cyclisation of peptides and conjugation with functional boron dipyrromethenes (BODIPYs) using a bifunctional linker is reported.
Polyoxometalate adsorbed in a metal–organic framework for electrocatalytic dopamine oxidation
A redox-active polyoxometalate, V10O28, was immobilized into a water-stable zirconium-based metal–organic framework, NU-902. The V10O28@NU-902 can show redox hopping-based charge transport and electrocatalytic activity for dopamine sensing.
Scalable and continuous preparation of nano-stirbars by electrospinning
Continuous and scalable synthesis of nano-stirbars is achieved by combining electrospinning and ultrasonic breaking.
Perturbation of liquid droplets of P-granule protein LAF-1 by the antimicrobial peptide LL-III
Protein/RNA droplet formation by liquid–liquid phase separation has emerged as a key mechanism for cellular organization. We show that binding of antimicrobial peptides such as LL-III can lead to loss of droplet function.
Autocatalytic DNAzyme assembly for amplified intracellular imaging
An autonomously catalytic assembly of an HCR-DNAzyme circuit was facilely constructed for reliable intracellular miR-21 imaging.
Synthesis of polycyclic indoles via organocatalytic bicyclization of α-alkynylnaphthalen-2-ols with nitrones
A new organocatalytic bicyclization of α-alkynylnaphthalen-2-ols with nitrones was first reported, leading to the convergent synthesis of polycyclic indoles with substantial substitution diversity in generally good yields.
Mg–Mg bond polarization induced by a superbulky β-diketiminate ligand
Increasing the steric pressure in a low-valent β-diketiminate Mg(I) did not lead to radical formation but gave Mg–N bond cleavage and formation of an asymmetrically substituted Mg–Mg complex.
Bimetallic iron–tin catalyst for N2 to NH3 and a silyldiazenido model intermediate
A new tin-supported iron complex catalyzes N2 fixation. The role of this heavy main group element in the catalysis is evaluated.
Redox-regulated divergence in photocatalytic addition of α-nitro alkyl radicals to styrenes
A divergent photocatalytic system for the reaction of α-bromo nitroalkanes with styrene derivatives is established.
[Cp*RuPb11]3− and [Cu@Cp*RuPb11]2−: centered and non-centered transition-metal substituted zintl icosahedra
Cluster anions [Cp*RuPb11]3− (1) and [Cu@Cp*RuPb11]2− (2) represent the first vertex-substituted zintl icosahedra and 1 is the first non-centered zintl icosahedron isolated in the condensed phase.
Tumor microenvironment responsive supramolecular glyco-nanovesicles based on diselenium-bridged pillararene dimer for targeted chemotherapy
Supramolecular glyco-nanovesicles (SeSe-(P5)2⊃Man-NH3+) were successfully constructed via the self-assembly of a diselenium-bridged pillararene dimer and a mannose derivative, which exhibited tumor microenvironment-responsiveness and targetability.
Rational design of a reversible Mg2+/EDTA-controlled molecular switch based on a DNA minidumbbell
The minidumbbell containing an abasic site is used to construct a Mg2+/EDTA-controlled molecular switch for regulating DNA duplex formation and dissociation instantly and reversibly.
A matrix metalloproteinase activation probe for painting human tumours
A new fluorescent peptide provides a quick and simple method of identifying areas of high MMP activity allowing ‘tumour painting’.
Embedding activated carbon nanospheres into polymer-derived porous carbon networks to boost electrocatalytic oxygen reduction
Activated carbon nanospheres were embedded into polymer-derived porous carbon to form heterostructures with improved surface area and ORR performance.
Does deamidation affect inhibitory mechanisms towards amyloid protein aggregation?
A diagram to show the differences between wild-type and deamidated hIAPPs interaction with site specific and non-specific inhibitors.
Iron Fenton oxidation of 2′-deoxyguanosine in physiological bicarbonate buffer yields products consistent with the reactive oxygen species carbonate radical anion not the hydroxyl radical
Fe(II)-Fenton reaction in bicarbonate buffer yields CO3˙−, not HO˙, oxidizing 2′-deoxyguanosine to yield 8-oxo-7,8-dihydro-2′-deoxyguanosine with no ribose damage.
Selective catalytic 2e−-oxidation of organic substrates by an FeII complex having an N-heterocyclic carbene ligand in water
An FeII complex, 1, having a pentadentate ligand with an NHC moiety catalyzes substrate oxidation to afford 2e−-oxidized products with high selectivity by suppression of overoxidation in water.
Polyoxometalate-functionalized macroporous microspheres for selective separation/enrichment of glycoproteins
Polyoxometalate-functionalized macroporous polymer microspheres were synthesized and applied for highly selective separation/enrichment of glycoproteins from a complex matrix.
An oxygen-reducing biocathode with “oxygen tanks”
Polytetrafluoroethylene submicro-rod, serving as “oxygen tanks” and binders, have been mixed into Os redox polymer-based bilirubin oxidase cathodes, leading to enhanced performance.
A recyclable metal–organic framework for ammonia vapour adsorption
The incorporation of sterically hindered boron centers into MOFs allows the recyclable adsorption of NH3 vapour from aqueous solution.
Topology versus porosity: what can reticular chemistry tell us about free space in metal–organic frameworks?
We analyse 3D coordination networks in 33 790 coordination polymers and discuss relations between their topological and porosity properties.
Nucleophilic reactivity of a mononuclear cobalt(III)–bis(tert-butylperoxo) complex
A mononuclear cobalt(III)–bis(tert-butylperoxo) adduct (CoIII–(OOtBu)2) bearing a tetraazamacrocyclic ligand was synthesized and characterized using various physicochemical methods, such as X-ray, UV-vis, ESI-MS, EPR, and NMR analyses.
Quinoxaline radical-bridged transition metal complexes with very strong antiferromagnetic coupling
Synthesis, magnetic studies and, theoretical calculations of a new family of transition metal complexes bridged by a quinoxaline-based radical.
Mechanistic insights into polyoxometalate self-assembly in organic solvent: conversion of a cyclic polyoxovanadate-ethoxide to its Lindqvist congener
We report the synthesis of a cyclic hexavanadate polyoxovanadate-alkoxide cluster, [VO(OC2H5)2]6, and its conversion, under solvothermal conditions, to an oxygen-deficient Lindqvist assembly, [V6O6(OC2H5)12]n (n = 1−, 0).
Trichromatic-emission and dual-ratio semiconducting polymer dots as fluorescent probe for simultaneous quantification of Cu2+ and pH in vitro and in vivo
Polymer dots emitting in the red, green and blue color regions, have been successfully applied as lysosome-targeting nanoprobes for the simultaneous detection and multicolor imaging of pH and Cu2+ in HeLa cells and zebrafish.
New layered perovskite family built from [CeTa2O7]− layers: coloring mechanism from unique multi-transitions
A Ce3+-based layered perovskite compound, Dion–Jacobson type RbCeTa2O7, has been discovered for the first time by introducing only a trivalent cerium ion to form [CeTa2O7]− layers.
Measuring and modelling mechanochemical reaction kinetics
Quasi-static quantum calculations of the mechanochemical decomposition rate of methyl thiolate species on Cu(100) accurately reproduce the experimental kinetics measured in ultrahigh vacuum by an atomic force microscopy tip.
Site-selective synthesis of 1,3-dioxin-3-ones via a gold(I) catalyzed cascade reaction
A novel gold(I)-catalyzed protocol for the synthesis of 4H-1,3-dioxin-3-ones is presented.
Tunable room temperature phosphorescence and energy transfer in ratiometric co-crystals
Color-tunable green and yellow room temperature phosphorescence is realized through a ratiometric co-crystal strategy.
Asymmetric catalysis with a chiral-at-osmium complex
Stereogenic osmium center mediates enantioselective ring-closing C(sp3)–H aminations of sulfonylazides and azidoformates.
Mechano-assisted synthesis of an ultramicroporous metal–organic framework for trace CO2 capture
Hybrid ultramicroporous ZU-36-Ni (GeFSIX-3-Ni) synthesized by a mechano-assisted thermal transformation method exhibits excellent trace CO2 capture performance through strong host–guest interactions.
Structural evolution from a fence-like to pillared-layer metal–organic framework for the stable oxygen evolution reaction
A porous fence-like MOF transforms into a dense pillared-layer coordination polymer, improving its chemical stability and exhibiting an excellent electrolytic OER performance.
Fluorescence imaging of hypochlorous acid and peroxynitrite in vitro and in vivo with emission wavelength beyond 750 nm
Hydro-Si-oxazines were exploited as NIR fluorescent probes to monitor HClO/ONOO− produced by phagocytes in inflammation-related diseases.
A three-channel fluorescent probe to image mitochondrial stress
A two-photon fluorescent probe NPClA was developed for imaging mitochondrial stress.
Enzymatic modular synthesis and microarray assay of poly-N-acetyllactosamine derivatives
An efficient enzymatic modular assembly strategy was developed for the preparative-scale synthesis of poly-LacNAc glycans with defined fucosylation and sialylation patterns.
Synergism of anisotropic and computational NMR methods reveals the likely configuration of phormidolide A
A combined computational and anisotropic NMR investigation defined likely configuration of phormidolide.
The engineering of decameric D-fructose-6-phosphate aldolase A by combinatorial modulation of inter- and intra-subunit interactions
The combinatorial modulation of inter- and intra-subunit interactions was demonstrated to show promise for engineering multimeric enzymes.
High-affinity and undissociated capillary electrophoresis for DNA strand exchange analysis
Undissociated binding of SSB to single-stranded DNA facilitates fast gel-free capillary electrophoresis analysis of fundamentally important DNA strand exchange reactions.
Teaching old indicators even more tricks: binding affinity measurements with the guest-displacement assay (GDA)
A simple change has important consequences: the guest-displacement assay (GDA) is introduced which allows for binding affinity determinations of supramolecular complexes with spectroscopically silent hosts and guests.
X-Ray fluorescence microscopy reveals that rhenium(I) tricarbonyl isonitrile complexes remain intact in vitro
An endoplasmic reticulum stress-inducing rhenium isonitrile complex was investigated for its axial ligand stability in living cells using X-ray fluorescence microscopy.
Trimetallic NiCoMo/graphene multifunctional electrocatalysts with moderate structural/electronic effects for highly efficient alkaline urea oxidation reaction
Trimetallic NiCoMo/graphene multifunctional electrocatalysts with moderate structural/electronic effects demonstrate excellent catalytic performance towards alkaline urea oxidation reaction.
Synthesis of 18O-labelled alcohols from unlabelled alcohols
The synthesis of primary, secondary and tertiary 18O-enriched alcohols from readily available 16O-alcohols via a Mitsunobu esterification and hydrolysis is described.
Detergent-free extraction, reconstitution and characterization of membrane-anchored cytochrome-b5 in native lipids
Directly extracted membrane proteins are stable and suitable for functional and high-resolution structural studies; however, the efficacy is modulated by the net charge of the target protein and the polymer used at a given pH.
Bimolecular vinylation of arenes by vinyl cations
Styrene derivatives can be easily synthesized from vinyl triflates and arenes under mild reaction conditions, using [Li][Al(OC(CF3)3)4] as a catalyst and LiHMDS as a base.
Macrocyclization of 3-triflyloxybenzynes with tetrahydrofuran via an anionic thia-Fries rearrangement
An uncommon macrocyclization reaction between 3-triflyloxybenzynes and tetrahydrofuran leading to novel 19-membered polyether macrocycles is reported.
Non-oscillatory micromotors “learn” to oscillate on-the-fly from oscillating Ag micromotors
Oscillating Ag-containing micromotors release silver ions that diffuse and deposit on the surface of Au–Rh microrods, which then learn to oscillate individually or collectively as a wave.
Profiling structural diversity and activity of 2-alkyl-4(1H)-quinolone N-oxides of Pseudomonas and Burkholderia
Here, we report the synthesis of all major 2-alkyl-4(1H)-quinolone N-oxide classes of Pseudomonas and Burkholderia, quantification of their native production levels and their antibiotic activities against competing Staphylococcus aureus.
Regioselective biocatalytic self-sufficient Tishchenko-type reaction via formal intramolecular hydride transfer
Alcohol dehydrogenases catalyze the regioselective lactonization of dialdehydes via a bio-Tishchenko-like reaction. The nicotinamide-dependent self-sufficient reduction–oxidation sequence proceeds through a formal intramolecular hydride shift.
Ir–Ho bimetallic complex-mediated low-dose radiotherapy/radiodynamic therapy in vivo
We report a bimetallic complex [Ir4Ho2(pq)8(H2dcbpy)4(OAc)2] (denoted as Ir4Ho2, pq = 2-phenylquinoline, H2dcppy = 2,2′-bipyridine-3,3′-dicarboxylic acid) and its application for radiotherapy/radiodynamic therapy (RT/RDT).
Atroposelective synthesis of configurationally stable nonbiaryl N–C atropisomers through direct asymmetric aminations of 1,3-benzenediamines
An atroposelective synthesis of configurationally stable nonbiaryl N–C atropisomers through direct asymmetric aminations of 1,3-benzenediamines has been developed.
Janus amphiphilic nanoplatelets as smart colloid surfactants with complementary face-to-face interactions
A new type of colloidal surfactant that not only has a nanoscale platelet geometry, but can also induce complementary face-to-face interactions among Pickering emulsion droplets is introduced.
Kinetic versus thermodynamic metalation enables synthesis of isostructural homo- and heterometallic trinuclear clusters
Temperature-dependent metalation of a new hexadentate enables the selective synthesis of both mononuclear (i.e. kinetic product) and trinuclear (i.e. thermodynamic product) complexes.
A heterodinuclear, formal Au+IPt0 complex with weakly bound alkene ligands
Due to the weakly bound alkene ligands, [(Ph3P)AuPt(nbe)3][BAr4F] can serve as a precursor for the synthesis of formal Au+IPt0 complexes.
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