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Bringing amines back into aziridination

Nature Chemistry, Published online: 25 October 2021; doi:10.1038/s41557-021-00819-7Aziridines — three-membered nitrogen-containing heterocycles — are important synthetic targets, but N-alkyl aziridines are difficult to synthesize. Now, an electrochemical method, involving a dicationic intermediate, enables the coupling of alkenes and amines.

Photoacoustic imaging of elevated glutathione in models of lung cancer for companion diagnostic applications

Nature Chemistry, Published online: 25 October 2021; doi:10.1038/s41557-021-00804-0Imaging-based companion diagnostics can provide real-time information to match therapies to patients; however, glutathione is abundant in most cells, making it an unlikely candidate for companion diagnosis. Now, a chemical probe has been developed that can detect elevated...

Stoichiometric two-dimensional non-van der Waals AgCrS<sub>2</sub> with superionic behaviour at room temperature

Nature Chemistry, Published online: 18 October 2021; doi:10.1038/s41557-021-00800-4Layered materials held together by weak interactions can be exfoliated into monolayers that retain the structure and composition of their bulk counterpart, but this has remained challenging to achieve for non-van der Waals materials. Now, AgCrS2 has been exfoliated into...

Dual-function enzyme catalysis for enantioselective carbon–nitrogen bond formation

Nature Chemistry, Published online: 18 October 2021; doi:10.1038/s41557-021-00794-zA haem protein that serves as a dual-function catalyst capable of inserting a carbene into a N–H bond to form α-amino lactones has been reported. The enzyme catalyses both carbene transfer and the subsequent proton transfer in a single active site. This transformation...

Interactions between nascent proteins and the ribosome surface inhibit co-translational folding

Nature Chemistry, Published online: 14 October 2021; doi:10.1038/s41557-021-00796-xDuring polypeptide biosynthesis, a strong interaction can occur between a segment of an emerged, disordered nascent protein and the ribosomal surface. Now, it has been shown that competition between this ribosomal binding and the folding energetics of an immunoglobulin-like...

Unnatural biosynthesis by an engineered microorganism with heterologously expressed natural enzymes and an artificial metalloenzyme

Nature Chemistry, Published online: 14 October 2021; doi:10.1038/s41557-021-00801-3Natural products are produced by living organisms practising nature’s chemical transformations. Now, an unnatural product has been generated by creating hybrid biosynthetic microorganisms. These microorganisms combine an unnatural chemical transformation—catalysis by...

Direct dynamic read-out of molecular chirality with autonomous enzyme-driven swimmers

Nature Chemistry, Published online: 14 October 2021; doi:10.1038/s41557-021-00798-9Self-propelled artificial chemical swimmers have previously been developed for chemical sensing. Now, hybrid bioelectrochemical swimmers, capable of translating chiral molecular information into macroscopic motion, have been developed. Diastereomeric interactions between...

A short peptide synthon for liquid–liquid phase separation

Nature Chemistry, Published online: 11 October 2021; doi:10.1038/s41557-021-00788-xLiquid–liquid phase separation plays an important role in creating cellular compartments and protocells, but designing small-molecule models remains difficult. A peptide-based synthon for liquid–liquid phase separation consisting of two stickers and a flexible, polar...

Prebiotic photoredox synthesis from carbon dioxide and sulfite

Nature Chemistry, Published online: 11 October 2021; doi:10.1038/s41557-021-00789-wCarbon dioxide is a substantial component of many planetary atmospheres, but reduction of carbon dioxide requires conditions and substrates that are rare on planetary surfaces. Now, the reduction of carbon dioxide to organic species with biological relevance has been...

Light-controlled micron-scale molecular motion

Nature Chemistry, Published online: 11 October 2021; doi:10.1038/s41557-021-00791-2In biological systems, controlled molecular motion along a particular path is realized by protein motors that travel along microtubule filaments. Now, control of motion with light has been achieved in a synthetic supramolecular system, in which anionic porphyrin molecules...

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