Browsing Faculty of Science by subject "0303 Macromolecular and Materials Chemistry"
-
Activating ATRP Initiators to Incorporate End-Group Modularity into Photo-RAFT Polymerization
Published 2020Heterogeneous photocatalysis is increasingly used in reversible deactivation radical polymerization (RDRP). In this study, we found that alkyl bromide redox chemistry typically found in atom transfer radical polymerization ...Open AccessArticle -
Advances in Anion Receptor Chemistry
Published 2020-01-01This review covers advances in anion complexation in the years 2017 and 2018. The review focuses on the applications of anion receptor chemistry, including sensing, self-assembly, extraction, transport, catalysis, and ...Open AccessArticle -
Advances in applied supramolecular technologies
Published 2021Supramolecular chemistry is a comparatively young field that to date has mainly been focused on building a foundation of fundamental understanding. With much progress in this area, researchers are seeking to apply this ...Open AccessArticle -
Anion Recognition Using a Simple Cyclic Peptide
Published 2020The head-to-tail cyclic hexapeptide, [cyclo(Val-Thr)3], was found to bind to a range of anions in DMSO-d6 with higher affinity for tetrahedral oxo-anions than halides. 1H NMR spectroscopy indicated that anion binding results ...Open AccessArticle -
Cylindrical Zwitterionic Particles via Interpolyelectrolyte Complexation on Molecular Polymer Brushes
Published 2020The fabrication of macromolecular architectures with high aspect ratio and well‐defined internal and external morphologies remains a challenge. The combination of template chemistry and self‐assembly concepts to construct ...Open AccessArticle -
Design of Chiral Supramolecular Polymers Exhibiting a Negative Nonlinear Response
Published 2019-01-01Many synthetic and supramolecular chiral polymeric systems are known to exhibit the “majority rules effect” (MRE), a positive nonlinear response in which a small enantiomeric excess (ee) of the chiral building blocks leads ...Open AccessArticle -
Development of a library of thiophene-based drug-like LEGO molecules: evaluation of their anion binding, transport properties and cytotoxicity
Published 2020-01-01The anion binding and transport properties of an extensive library of thiophene-based molecules are reported. Seventeen bis-urea positional isomers, with different binding conformations and lipophilicities, were synthetized ...Open AccessArticle -
Element 5 – Boron
Published 20192019 is the International Year of the Periodic Table of Chemical Elements (IYPT 2019), as declared by the United Nations General Assembly. This invited paper on boron is one in a series of essays about the chemical elements.Open AccessArticle -
Emission Decay Pathways Sensitive to Circular Polarization of Excitation
Published 2018The photophysical properties of conjugated materials can be strongly affected by the nature of intermolecular interactions. Toward this aim, supramolecular self-assembly facilitates efficient packing of molecules into ...Open AccessArticle -
Fluorescence Enhancement through Confined Oligomerization in Nanochannels: An Anthryl Oligomer in a Metal-Organic Framework
Published 2021Nanoconfinement offers opportunities to tune physical properties of molecular entities by altering their assembled structures. This also applies to acene-based molecules with potentially rich π–π interactions. Unlike most ...Open AccessPreprint -
Integrated Polyphenol-Based Hydrogel Templating Method for Functional and Structured Oxidic Nanomaterials
Published 2020A straightforward fabrication method for tunable nanomaterials remains a key objective in the research areas of template chemistry, catalysis, and energy storage materials. A growing focus in materials chemistry is the ...Open AccessArticle -
Lichtinduzierte MADIX Polymerisation im sichtbaren Spektrum durch wiederverwendbares, preiswertes und ungiftiges Bismutoxid als Photokatalysator
Published 2018Der Einbezug von Photokatalyse in Methoden der Reversiblen Deaktivierung Radikalischen Polymerisation (RDRP) hat in den letzten Jahren ein schnell wachsendes Forschungsfeld in der Polymerforschung begründet. In diesem ...Open AccessArticle -
Micron-sized polystyrene particles by surfactant-free emulsion polymerization in air: synthesis and mechanism
Published 2013In this study, we propose an alternative method to produce high solids, micrometer-sized polystyrene (PS) latexes with narrow size distribution, based on the use of large amounts of polymerization initiator and allowing ...Open AccessArticle -
Molecular Polymer Brushes Made via Ring-Opening Metathesis Polymerization from Cleavable RAFT Macromonomers
Published 2021The use of labile covalent bonds such as oximes and acetals for their application in the synthesis, and controlled triggered deconstruction, of molecular polymer brushes (MPBs) is reported. Macromonomers (MMs) are produced ...Open AccessArticle -
Prospects and Challenges in Anion Recognition and Transport
Published 2020-01-01The genesis of anion receptor chemistry can be traced back to the late 1960s with the work of Shriver and Biallas on chelating Lewis acids and Park and Simmons on ammonium-containing cryptandlike halide receptors. Despite ...Open AccessArticle -
Quantification of Photocyclization Kinetics and Its Temperature Dependence in a Cofacial Metal–Organic Framework
Published 2022As complex materials are widely used in emerging technologies for environmental and energy applications, it is important to be able to quantify their stimuli-response behaviors. Light is a useful stimulus to modulate ...Open AccessArticle -
RAFT without an “R-Group”: From Asymmetric Homo-telechelics to Multiblock Step-Growth and Cyclic Block Copolymers
Published 2021The amalgamation of photoredox catalysis and reversible-deactivation radical polymerization (RDRP) has offered new avenues of controlling polymer synthesis in recent years. Additionally, the incorporation of bismuth oxide ...Open AccessArticle -
A Regenerable Biosensing Platform for Bacterial Toxins
Published 2020Waterborne diarrheal diseases such as travelers’ diarrhea and cholera remain a threat to public health in many countries. Rapid diagnosis of an infectious disease is critical in preventing the escalation of a disease ...Open AccessArticle -
The roles of metal-organic frameworks in modulating water permeability of graphene oxide-based carbon membranes
Published 2019Graphene oxide (GO) can be processed into carbon membranes with unique water permeability and molecular selectivity. Metal-organic frameworks (MOFs) have been proposed as filler materials to enhance water permeability of ...Article -
Selective anion transport mediated by strap-extended calixpyrroles
Published 2020-01-01Synthetic anion receptors that facilitate transmembrane chloride transport are of interest as potential therapeutic agents for cancer and cystic fibrosis. Transporters selective for chloride over protons are desired for ...Open AccessArticle