ArtikelGeneration of Bilayer Asymmetry and Membrane Curvature by the Sugar‐Cleaving Enzyme Invertasevon Abhimanyu Nowbagh et al. · 13.03.2023 Spontaneous outward bending of a spherical giant vesicle (blue) in the presence of sucrose (red/yellow) both in the interior and the exterior compartments with the added invertase (green). Invertase converts sucrose into fructose (yellow) and glucos...
ArtikelCoupling Reversible Clustering of DNA‐Coated Gold Nanoparticles with Chemothermal Cycloaddition Reactionvon Joscha Kruse et al. · 13.03.2023 An injection of a fuel into the mixture of DNA-coated gold nanoparticles leads to their chemo-thermal redispersion that lasts until the fuel molecules are consumed. Temporal coupling of chemical and colloidal processes set a new framework to link ev...
ArtikelIron‐Mediated Peptide Formation in Water and Liquid Sulfur Dioxide under Prebiotically Plausible Conditions von Constanze Sydow et al. · 13.03.2023 Mediated by iron: Prebiotically plausible iron-mediated peptide coupling in water and liquid sulfur dioxide forms oligomers. The presented synthetic pathway which incorporates all proteinogenic amino acids into peptides is compatible with a wide ran...
ArtikelFront Cover: Functional Rhythmic Chemical Systems Governed by pH‐Driven Kinetic Feedback (ChemSystemsChem 2/2023)von Brigitta Dúzs et al. · 13.03.2023 The Front Cover depicts an hourglass and suggests a pH variation over time. The temporal variation of pH caused by hydrogen or hydroxide ion autocatalytic reactions provides a convenient way to control the state or drive the mechanical motion of cou...
ArtikelFunctional Rhythmic Chemical Systems Governed by pH‐Driven Kinetic Feedbackvon Brigitta Dúzs et al. · 13.03.2023 This review discusses methods for the design of functioning materials driven by pH autocatalytic and oscillatory reactions. Abstract Hydrogen ion autocatalytic reactions, especially in combination with an appropriate negative feedback process, sho...
ArtikelCarbodiimide‐Fueled Assembly of π‐Conjugated Peptides Regulated by Electrostatic Interactionsvon Ze‐Fan Yao et al. · 14.03.2023 A carbodiimide-fueled approach is demonstrated to instruct the self-assembly of π-conjugated peptides. This assembly processes can be modulated by the sequence design of peptidic monomers and environmental conditions, offering an opportunity to acce...
ArtikelChemobrionics Database: Categorisation of Chemical Gardens According to the Nature of the Anion, Cation and Experimental Procedure von Carlos Pimentel et al. · 09.03.2023 The chemobrionics database collects all the chemical gardens that have been synthesized so far, catalogued by the composition of the anion, the cation and the experimental setup used. It will be a very useful tool for researchers in the field of che...
ArtikelTransient Biomacromolecular Nanoparticles for Labels with Self‐Erasable and Rewritable Abilityvon Jiahui Li et al. · 03.03.2023 Transient biomacromolecular nanoparticles: An ATP-driven non-equilibrium self-assembly system based on chitosan derivatives was developed and the lifetime of transient nanoparticles was tuned quantitatively. Turbidity changes caused by transient nan...
ArtikelFormation of Multiple Supramolecular Helices for Spontaneous Resolutionvon Peimin Weng et al. · 13.02.2023 Multiple supramolecular helices: In this Concept, formation of multiple supramolecular helices, for example, three supramolecular helices along one crystallographic axis and two or three supramolecular helices along two or three different crystallog...
ArtikelAn Exploration of Multiple Component Peptide Assemblies by Enzyme‐Instructed Self‐Assemblyvon Adrianna N. et al. · 03.02.2023 The ratio of a phosphopeptide and its ligand controls the morphologies of final heterotypic peptide assemblies, thus providing a useful way to modulate enzyme-instructed self-assembly for generating multiple component supramolecular materials. Abs...
ArtikelEngineering a Synthetic RNA Segregation Systemvon Daniel Hürtgen et al. · 03.02.2023 An artificial in vitro system based on components of the bacteriophage MS2 and the plasmid segregation system ParMRC enables polar, sequence-specific partitioning of RNA molecules in an energy dependent manner. Abstract Cells possess a number of a...
ArtikelAcid Autocatalysis Best Served Hot: The Chlorate–Sulfite–Gluconolactone System as a Thermochemical Clockvon Ronny Kürsteiner et al. · 21.01.2023 Clock Reaction, Double Feature: The autonomous activation of acid-autocatalyzed sulfite – halogenate (iodate, bromate, chlorate) reactions is programmed using slow acid generators (δ-gluconolactone GL, and 1,3-propanesultone PrS). It is found that, ...
ArtikelSelf‐Propulsion Mode Switching of a Briggs–Rauscher Dropletvon Masakazu Kuze et al. · 21.12.2022 The Briggs–Rauscher (BR) reaction was introduced into a self-propelled droplet system. In this study, a BR reaction solution without starch was dropped into an oil phase containing a monoolein surfactant. Continuous and oscillatory motion as well as...
