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Themed collection 2018 ChemSci Pick of the Week Collection

34 items
Open Access Edge Article

Chemical and photochemical DNA “gears” reversibly control stiffness, shape-memory, self-healing and controlled release properties of polyacrylamide hydrogels

Stimuli-responsive polyacrylamide hydrogels crosslinked by glucosamine–boronate/G-quadruplexes or azobenzene-functionalized DNA reveal controlled stiffness using chemical or photochemical triggers.

Graphical abstract: Chemical and photochemical DNA “gears” reversibly control stiffness, shape-memory, self-healing and controlled release properties of polyacrylamide hydrogels
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Shape-selective crystallisation of fluxional carbon cages

Overall molecular shape, rather than any specific noncovalent interactions, controls the preferential crystallisation of shapeshifting barbaralane isomers from dynamic mixtures.

Graphical abstract: Shape-selective crystallisation of fluxional carbon cages
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Fast detection and structural identification of carbocations on zeolites by dynamic nuclear polarization enhanced solid-state NMR

A fast NMR data acquisition strategy is explored to detect and characterize carbocations on solid zeolites.

Graphical abstract: Fast detection and structural identification of carbocations on zeolites by dynamic nuclear polarization enhanced solid-state NMR
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

A glucose/O2 fuel cell-based self-powered biosensor for probing a drug delivery model with self-diagnosis and self-evaluation

A highly compact and self-sustained in vitro “diagnosis-therapy-evaluation” platform is developed by integrating a glucose/O2 fuel cell-based biosensor with a drug delivery system.

Graphical abstract: A glucose/O2 fuel cell-based self-powered biosensor for probing a drug delivery model with self-diagnosis and self-evaluation
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Advanced microRNA-based cancer diagnostics using amplified time-gated FRET

FRET and rolling circle amplification outperform RT-qPCR for microRNA diagnostics in clinical samples.

Graphical abstract: Advanced microRNA-based cancer diagnostics using amplified time-gated FRET
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Selective and catalytic carbon dioxide and heteroallene activation mediated by cerium N-heterocyclic carbene complexes

A series of rare earth complexes of the form Ln(LR)3 supported by bidentate ortho-aryloxide–NHC ligands are reported (LR = O(o-C6H2tBu2-2,6-CN(C2H2)NR); R = iPr, tBu, Mes; Ln = Ce, Sm, Eu).

Graphical abstract: Selective and catalytic carbon dioxide and heteroallene activation mediated by cerium N-heterocyclic carbene complexes
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

An enzyme-activatable probe liberating AIEgens: on-site sensing and long-term tracking of β-galactosidase in ovarian cancer cells

We describe an enzyme-regulated liberation strategy to in situ generate AIEgen nanoaggregates for on-site sensing and long-term tracking of β-galactosidase in ovarian cancer cells.

Graphical abstract: An enzyme-activatable probe liberating AIEgens: on-site sensing and long-term tracking of β-galactosidase in ovarian cancer cells
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Protonated glycine supramolecular systems: the need for quantum dynamics

Quantum mechanical simulations unequivocally explain experimental IR spectra of protonated supramolecular systems.

Graphical abstract: Protonated glycine supramolecular systems: the need for quantum dynamics
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Cs3VO(O2)2CO3: an exceptionally thermostable carbonatoperoxovanadate with an extremely large second-harmonic generation response

A highly thermostable carbonatoperoxovanadate, Cs3VO(O2)2CO3, exhibits a remarkably strong SHG response of approximately 23.0 times that of KDP, which is the largest among those of the reported NLO carbonate materials.

Graphical abstract: Cs3VO(O2)2CO3: an exceptionally thermostable carbonatoperoxovanadate with an extremely large second-harmonic generation response
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Preventing the coffee-ring effect and aggregate sedimentation by in situ gelation of monodisperse materials

Microscale uniformity and long-range cohesion in multi-functional films assembled through drop-casting is realized by in situ gelation of monodisperse building blocks.

Graphical abstract: Preventing the coffee-ring effect and aggregate sedimentation by in situ gelation of monodisperse materials
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Synthetic biology approaches and combinatorial biosynthesis towards heterologous lipopeptide production

Synthetic biology techniques coupled with heterologous secondary metabolite production offer opportunities for the discovery and optimisation of natural products.

Graphical abstract: Synthetic biology approaches and combinatorial biosynthesis towards heterologous lipopeptide production
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Genome mining, isolation, chemical synthesis and biological evaluation of a novel lanthipeptide, tikitericin, from the extremophilic microorganism Thermogemmatispora strain T81

Tikitericin, a novel lanthipeptide was isolated and characterised together with its first total synthesis.

Graphical abstract: Genome mining, isolation, chemical synthesis and biological evaluation of a novel lanthipeptide, tikitericin, from the extremophilic microorganism Thermogemmatispora strain T81
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Facile room temperature synthesis of large graphene sheets from simple molecules

The simplest way to produce large graphene sheets starting from simple molecules (benzene or n-hexane) under ambient conditions (temperature and pressure).

Graphical abstract: Facile room temperature synthesis of large graphene sheets from simple molecules
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Combined reversible switching of ECD and quenching of CPL with chiral fluorescent macrocycles

A series of chiral fluorescent macrocycles display a remarkable combination of both +/– ECD and strong on/off CPL reversible switching upon cation binding and displacement.

Graphical abstract: Combined reversible switching of ECD and quenching of CPL with chiral fluorescent macrocycles
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Tuning the reactivity of nitriles using Cu(II) catalysis – potentially prebiotic activation of nucleotides

A synergistic system was established involving activating nucleotides with nitriles using Cu(II) and protecting RNA degradation by byproducts of alpha-aminonitriles.

Graphical abstract: Tuning the reactivity of nitriles using Cu(ii) catalysis – potentially prebiotic activation of nucleotides
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Supercooling of functional alkyl-π molecular liquids

The formation of a metastable supercooled alkyl-π molecular liquid was prohibited by subtle alteration of the molecular structure.

Graphical abstract: Supercooling of functional alkyl-π molecular liquids
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Interfacing porphyrins and carbon nanotubes through mechanical links

U-shaped bisporphyrin molecules are clipped around SWCNTs using ring-closing metathesis yielding rotaxane-type derivatives, in which porphyrins and SWCNTs are connected through mechanical links.

Graphical abstract: Interfacing porphyrins and carbon nanotubes through mechanical links
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Switchable gate-opening effect in metal–organic polyhedra assemblies through solution processing

Assemblies of lantern-type metal–organic polyhedra are found to show gate-opening gas adsorption depending on how they are treated with solvents.

Graphical abstract: Switchable gate-opening effect in metal–organic polyhedra assemblies through solution processing
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Exploration of biocompatible AIEgens from natural resources

In this contribution, we propose natural resources as a new source to acquire biocompatible AIEgens.

Graphical abstract: Exploration of biocompatible AIEgens from natural resources
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

A sequence-activated AND logic dual-channel fluorescent probe for tracking programmable drug release

A sense-of-logic dual-channel nanoprobe is operated via a sequence-activated AND logic gate by responding ultra-sensitively to pH changes and being subsequently triggered with biothiol for the controllable release of anti-cancer drugs.

Graphical abstract: A sequence-activated AND logic dual-channel fluorescent probe for tracking programmable drug release
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Consequences of a cosolvent on the structure and molecular dynamics of supramolecular polymers in water

A cosolvent that is used to guide the self-assembly of amphiphiles in water causes abrupt structural changes, as well as non-linear behavior in the molecular dynamics of the amphiphiles.

Graphical abstract: Consequences of a cosolvent on the structure and molecular dynamics of supramolecular polymers in water
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

A multifunctional SERS sticky note for real-time quorum sensing tracing and inactivation of bacterial biofilms

A multifunctional SERS sticky note is designed for real-time tracing of quorum sensing and inhibiting bacterial growth of live biofilms.

Graphical abstract: A multifunctional SERS sticky note for real-time quorum sensing tracing and inactivation of bacterial biofilms
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Revitalizing the concept of bond order through delocalization measures in real space

Quantum mechanical bond orders are obtained from integration of the exchange–correlation density between topological atoms.

Graphical abstract: Revitalizing the concept of bond order through delocalization measures in real space
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Diffusion across a gel–gel interface – molecular-scale mobility of self-assembled ‘solid-like’ gel nanofibres in multi-component supramolecular organogels

The diffusion of vital components of gel nanofibres across a gel–gel interface is quantified – highly dynamic, self-assembled, two-component gels can adapt and reorganise over time.

Graphical abstract: Diffusion across a gel–gel interface – molecular-scale mobility of self-assembled ‘solid-like’ gel nanofibres in multi-component supramolecular organogels
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Genetically encoded tags for real time dissection of protein assembly in living cells

Genetically encoded tags (MoTags) to assess protein oligomeric states, probe protein structure and monitor protein–target interactions under physiological conditions in cellulo.

Graphical abstract: Genetically encoded tags for real time dissection of protein assembly in living cells
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

Catalysis by design: development of a bifunctional water splitting catalyst through an operando measurement directed optimization cycle

Amorphous and bifunctional water splitting catalysts are probed with a novel spectroelectrochemical quartz crystal microbalance cell, then subsequently enhanced.

Graphical abstract: Catalysis by design: development of a bifunctional water splitting catalyst through an operando measurement directed optimization cycle
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Thermodynamic and reactivity studies of a tin corrole–cobalt porphyrin heterobimetallic complex

A rare tin–cobalt bond dissociates homolytically with accurately measured energetics, reversibly releasing a four-coordinate tin radical that catalyzes alkyne trimerization.

Graphical abstract: Thermodynamic and reactivity studies of a tin corrole–cobalt porphyrin heterobimetallic complex
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Detection and identification of designer drugs by nanoparticle-based NMR chemosensing

Unknown designer drugs can be recognized by self-organized nanoparticle receptors and identified by magnetization transfer NMR.

Graphical abstract: Detection and identification of designer drugs by nanoparticle-based NMR chemosensing
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Ab initio prediction of the polymorph phase diagram for crystalline methanol

Thermodynamic phase boundaries for three molecular crystal polymorphs are mapped out with ∼0.5 kJ mol−1 accuracy.

Graphical abstract: Ab initio prediction of the polymorph phase diagram for crystalline methanol
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Ultrathin palladium nanosheets with selectively controlled surface facets

Ultrathin two-dimensional palladium nanosheets with selectively exposed surface facets were controllably synthesized by designed functional surfactants.

Graphical abstract: Ultrathin palladium nanosheets with selectively controlled surface facets
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Taming a monomeric [Cu(η6-C6H6)]+ complex with silylene

Realization of a hitherto elusive unsupported η6 binding mode of benzene to a copper(I) cation employing silylene as a ligand. The back-donation from Cu to Si(II) diminishes the repulsion between d-electrons and the benzene ring and enforces the η6 binding mode.

Graphical abstract: Taming a monomeric [Cu(η6-C6H6)]+ complex with silylene
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Protein surface functionalisation as a general strategy for facilitating biomimetic mineralisation of ZIF-8

The surface charge and chemistry of a protein determines its ability to facilitate biomimetic mineralisation.

Graphical abstract: Protein surface functionalisation as a general strategy for facilitating biomimetic mineralisation of ZIF-8
From the themed collection: 2018 Chemical Science HOT Article Collection
Open Access Edge Article

The enhancement and suppression of immersion mode heterogeneous ice-nucleation by solutes

Heterogeneous nucleation of ice from supercooled liquid water by some atmospherically relevant nucleators is enhanced by ammonium salts and suppressed by alkali halides.

Graphical abstract: The enhancement and suppression of immersion mode heterogeneous ice-nucleation by solutes
From the themed collection: 2018 ChemSci Pick of the Week Collection
Open Access Edge Article

Covalent triazine framework modified with coordinatively-unsaturated Co or Ni atoms for CO2 electrochemical reduction

Nickel-modified covalent triazine frameworks effectively reduced CO2 to CO because adsorbed COOH was stabilized on the coordinatively-unsaturated Ni atoms in CTF.

Graphical abstract: Covalent triazine framework modified with coordinatively-unsaturated Co or Ni atoms for CO2 electrochemical reduction
From the themed collection: 2018 ChemSci Pick of the Week Collection
34 items

About this collection

In 2018, the Chemical Science Editorial Team launched ‘ChemSci Pick of the Week’ as a means to select and promote our favourite articles from the week and share them with the wider chemical community. This on-going web collection showcases all ChemSci Picks from 2018.

All ChemSci Picks are promoted via Twitter and have an accompanying news article posted via our website.


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