Total syntheses of pyrroloazocine indole alkaloids: challenges and reaction discovery
Total syntheses of pyrroloazocine indole alkaloids (lapidilectines, grandilodines, lundurines and tenuisines) are discussed in terms of existing retrosynthetic solutions and novel reaction discoveries.
Artificial molecular motors
Artificial molecular motors take inspiration from motor proteins, nature's solution for achieving directional molecular level motion. An overview is given of the principal designs of artificial molecular motors and their modes of operation. We identify some key challenges remaining in the field.
Determination and prediction of the magnetic anisotropy of Mn ions
EPR spectroscopy combined with quantum chemistry for the investigation of the magnetic anisotropy of MnII, MnIII and MnIV.
Microfluidic approaches for probing amyloid assembly and behaviour
Microfluidic approaches can be used to study aspects of amyloid structures assembly and behaviour that are challenging to probe under bulk solution conditions. Developments in chip-based technology now allow researchers to explore the physicochemical parameters at the heart of the amyloid phenomenon.
The distribution of iodide at the sea surface
An extensive compilation of sea surface iodide concentrations reveals a pronounced latitudinal gradient and associations with temperature, mixing and nitrate.
[Au12(PPh2)2S4(L2)4]2+ (L2 = 3,4-bis(diphenylphosphino)-2,5-bis(trimethylsilyloxy)furan): an Au12 unit protected by modified maleic anhydride phosphine ligands
The reaction of the bis(dichlorogold) complex of 2,3-bis(diphenylphosphino)maleic anhydride (L1) with S(SiMe3)2 in the presence of NaBPh4 yields the ionic dodecanuclear cluster compound [Au12(PPh2)2S4(L2)4](BPh4)2 (1).
SPIONs for cell labelling and tracking using MRI: magnetite or maghemite?
SPIONs consisting predominantly of magnetite or maghemite display distinct chemical stability in solution but equivalent imaging properties when in cells.
Expanding the structural analysis capabilities on an Orbitrap-based mass spectrometer for large macromolecular complexes
Native mass spectrometry can provide insight into the structure of macromolecular biological systems.
Assembly of hollow mesoporous nanoarchitectures composed of ultrafine Mo2C nanoparticles on N-doped carbon nanosheets for efficient electrocatalytic reduction of oxygen
A simple method is developed to prepare Mo2C-embedded mesoporous N-doped carbon nanosheets which assemble into hollow spheres.
Solution-processable, crystalline material for quantitative singlet fission
Solution-processable, crystalline material is found to be a promising target for quantitative, or lossless, singlet fission.
A new formation strategy of hybrid perovskites via room temperature reactive polyiodide melts
The new precursors MAI3+x and FAI3+x exhibit exceptionally high reactivity towards lead precursors and result in high quality lead-halide perovskite films.
Externally controllable glycan presentation on nanoparticle surfaces to modulate lectin recognition
Response polymer gates are employed to enable external control of glycan expression on the surface of multivalent nanoparticles.
Liquid/liquid extraction of biomass-derived lignin from lignocellulosic pretreatments
The extraction of lignin from lignocellulosic pretreatments regards the transfer of lignin from the fractionation solvent to a different medium for valorization.
An expeditious synthesis of early transition metal carbide nanoparticles on graphitic carbons
Fast and furious: the reaction of potassium graphites with metal chloride is initiated at room temperature and proceeds expeditiously to yield supported crystalline metal carbide nanoparticles.
Self-assembly of toroidal proteins explored using native mass spectrometry
The peroxiredoxins are a well characterised family of toroidal proteins which can self-assemble into a striking array of quaternary structures, including protein nanotubes, making them attractive as building blocks for nanotechnology.
Ligand-enabled ortho-C–H olefination of phenylacetic amides with unactivated alkenes
Here we report a quinoline-derived ligand that enables the Pd(II)-catalyzed olefination of the C(sp2)–H bond with simple aliphatic alkenes using a weakly coordinating monodentate amide auxiliary.
ortho and para chromophores of green fluorescent protein: controlling electron emission and internal conversion
Green fluorescent protein (GFP) plays an important role in the biological and biochemical sciences as an efficient fluorescent probe and as a light-induced electron donor.
Cytochrome P450-catalyzed insertion of carbenoids into N–H bonds
Expanding nature's catalytic repertoire to include synthetic reactions like carbenoid N–H insertion opens new opportunities for ‘green' chemistry and biocatalysis.
Synthesis and supramolecular organization of chiral poly(thiophene)–magnetite hybrid nanoparticles
Fe3O4 nanoparticles decorated with a conjugated polymer is synthesized and the supramolecular organization of the polymer is studied.
Precision excimer laser annealed Ga-doped ZnO electron transport layers for perovskite solar cells
Excimer laser annealing technique is successfully applied in treating Ga doped ZnO films as an efficient way to enhance the properties of the electron transport layer for the planar structured perovskite solar cells.
Papain-catalysed mechanochemical synthesis of oligopeptides by milling and twin-screw extrusion: application in the Juliá–Colonna enantioselective epoxidation
Chemoenzymatic oligomerisation of L-amino acids was successfully developed using mechanochemical techniques.
Nanoscale chemical imaging of solid–liquid interfaces using tip-enhanced Raman spectroscopy
New approach to TERS probe coating enables chemical imaging of liquid-immersed surfaces with nanoscale spatial resolution.
Achieving white light emission and increased magnetic anisotropy by transition metal substitution in functional materials based on dinuclear DyIII(4-pyridone)[MIII(CN)6]3− (M = Co, Rh) molecules
Cobalt(III) replaced with heavier rhodium(III) in the Dy–Co/Rh molecular materials modulates their photoluminescent and magnetic properties.
In situ hydrogenation and decarboxylation of oleic acid into heptadecane over a Cu–Ni alloy catalyst using methanol as a hydrogen carrier
In this work, supported Cu–Ni bimetallic catalysts were synthesized and evaluated for the in situ hydrogenation and decarboxylation of oleic acid using methanol as a hydrogen donor.
Simultaneous detection of superoxide anion radicals and determination of the superoxide scavenging activity of antioxidants using a N,N-dimethyl-p-phenylene diamine/Nafion colorimetric sensor
A novel colorimetric DMPD assay was developed for superoxide radicals generated by the NADH/PMS/O2 system, and compared with conventional NBT assay.
Robust triplet–triplet annihilation photon upconversion by efficient oxygen scavenging
A simple method for reducing the effect of oxygen quenching in Triplet–Triplet Annihilation Photon Upconversion (TTA-UC) systems is presented.
Tailoring dielectric properties using designed polymer-grafted ZnO nanoparticles in silicone rubber
Tuning of the dielectric properties of PDMS–ZnO nanocomposites by the control of inter-particle distances and self-assembled NP-morphologies via polymer grafting.
New insights into catalyst deactivation and product distribution of zeolites in the methanol-to-hydrocarbons (MTH) reaction with methanol and dimethyl ether feeds
The ability of a zeolitic catalyst to dehydrate methanol to dimethyl ether affects catalyst deactivation and product distribution during the methanol-to-hydrocarbons (MTH) reaction.
Large scale in silico screening of materials for carbon capture through chemical looping
A combined computational and experimental methodology is developed to predict new materials that can reversibly produce oxygen for chemical looping combustion, and then promising candidates are selected for experimental validation of these predictions.
Benzene-1,3,5-tricarboxamide n-alkyl ester and carboxylic acid derivatives: tuneable structural, morphological and thermal properties
A family of five benzene-1,3,5-tricarboxamide (BTA) derivatives were prepared and their structural, thermal and rheological properties were examined.
Defining the human copper proteome and analysis of its expression variation in cancers
Differential gene expression analysis of TCGA RNAseq data for the human copper proteome unravels its potential involvement in various types of cancers.
Highly efficient and selective biocatalytic production of glucosamine from chitin
N-Acetyl glucosamine (GlcNAc) is one of the most abundant biomolecules on Earth and is cheaply available from chitin, a major component of crustaceans.
High coercivity stellated cobalt metal multipods through solvothermal reduction of cobalt hydroxide nanosheets
Solvated 2D nanosheets of dodecylsulphate intercalated α-cobalt hydroxide in 1-butanol are solvothermally reduced to hexagonal close packed (hcp) Co metal multipods in the presence of oleylamine.
Click-based porous cationic polymers for enhanced carbon dioxide capture
Imidazolium-based porous cationic polymers were synthesized using an innovative and facile approach, which takes advantage of the Debus–Radziszewski reaction to obtain meso-/microporous polymers following click-chemistry principles.
Planarity and multiple components promote organic photovoltaic efficiency by improving electronic transport
Establishing how the conformation of organic photovoltaic (OPV) polymers affects their electronic and transport properties is critical in order to determine design rules for new OPV materials and in particular to understand the performance enhancements recently reported for ternary blends.
Design of a fluorescent ligand targeting the S-adenosylmethionine binding site of the histone methyltransferase MLL1
FL-NAH is a fluorescent ligand for the SAM-binding site of the MLL1 lysine methyltransferase.
Multi-step control over self-assembled hydrogels of peptide-derived building blocks and a polymeric cross-linker
We present a detailed study of self-assembled hydrogels of bundled and cross-linked networks consisting of positively charged amyloid-like nanofibers and a triblock copolymer with negatively charged end blocks as a cross-linker.
Studies of the dynamics of biological macromolecules using Au nanoparticle–DNA artificial molecules
Ultra-efficient and stable electro-optic dendrimers containing supramolecular homodimers of semifluorinated dipolar aromatics
Self-assembled electro-optic dendrimers through homodimerization of fluoroaromatics have been systematically investigated.
Sugar modified pyrimido[4,5-b]indole nucleosides: synthesis and antiviral activity
Sugar-modified pyrimido[4,5-b]indole nucleosides (2′-deoxy-2′-fluororibo-, 2′-deoxy-2′-fluoroarabino- and arabinonucleosides) were found to be low micromolar antivirals against HCV or dengue.
About this collection
The EuCheMS Chemistry Congresses reflect the outstanding research being done in Europe and around the world by bringing together chemists from different countries and professional backgrounds to exchange ideas, advance knowledge, and discuss key issues for chemistry and society.
This collection highlights the fantastic work published by the plenary and keynote speakers and prize-winners at this year’s 7th EuCheMS congress, spanning the breadth of the Royal Society of Chemistry’s journal portfolio. We hope you enjoy reading these articles and we look forward to welcoming you to Liverpool.
Find out more about 7th EuCheMS Chemistry Congress - Molecular frontiers & global challenges.
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