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Colorimetric Polydiacetylene Nanotubes from Self-Assembly of a Barbituric Acid-Derived Diacetylene.
Langmuir
January 2025
Department of Chemical Engineering, Hanyang University, Seoul 04763, Korea.
Covalent organic nanotubes offer enhanced stability, robustness, and functionality, compared to their noncovalent counterparts. This study explores constructing polydiacetylene (PDA) nanotubes using a two-step process: self-assembly via noncovalent interactions followed by UV-induced polymerization of a diacetylene template. A promising building block consisting of a hydrogen-bonding headgroup, barbituric acid, linked to a linear diacetylene chain was prepared.
View Article and Find Full Text PDFAttractive acceptor-acceptor interactions in self-complementary quadruple hydrogen bonds for molecular self-assembly.
Phys Chem Chem Phys
September 2024
CSC-IT Center for Science Ltd, P.O. Box 405, FI-02101 Espoo, Finland.
Molecular self-assembly provides the means for creating large supramolecular structures, extending beyond the capability of standard chemical synthesis. To harness the power of self-assembly, it is necessary to understand its driving forces. A potent method is to exploit self-complementary hydrogen bonding, where a molecule interacts with its own copy by suitable positions of hydrogen-bond donor (D) and acceptor (A) groups.
View Article and Find Full Text PDFMultivalent hydrogen-bonded architectures directed by self-complementarity between [Cu(2,2'-biimidazole)] and malonate building blocks.
Acta Crystallogr C Struct Chem
September 2024
Laboratorio de Síntesis y Caracterización de Nuevos Materiales, Centro de Química, Instituto Venezolano de Investigaciones Científicas (IVIC), Apto. 21827, Caracas 1020-A, Venezuela.
The synthesis and structural characterization of four novel supramolecular hydrogen-bonded arrangements based on self-assembly from molecular `[Cu(2,2'-biimidazole)]' modules and malonate anions are presented, namely, tetrakis(2,2'-biimidazole)di-μ-chlorido-dimalonatotricopper(II) pentahydrate, [Cu(CHO)Cl(CHN)]·5HO or [Cu(Hbiim)(μ-Cl)Cu(mal)]·5HO, aqua(2,2'-biimidazole)malonatocopper(II) dihydrate, [Cu(CHO)(CHN)(HO)]·2HO or [Cu(Hbiim)(mal)(HO)]·2HO, bis[aquabis(2,2'-biimidazole)copper(II)] dimalonatodiperchloratocopper(II) 2.2-hydrate, [Cu(CHN)(HO)][Cu(CHO)(ClO)]·2.2HO or [Cu(Hbiim)(HO)][Cu(mal)(ClO)]·2.
View Article and Find Full Text PDFBlock Copolymer Self-assembly: Exploitation of Hydrogen Bonding for Nanoparticle Morphology Control via Incorporation of Triazine Based Comonomers by RAFT Polymerization.
Small
October 2024
Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales, Sydney, NSW, 2052, Australia.
Synthesis of polymeric nanoparticles of controlled non-spherical morphology is of profound interest for a wide variety of potential applications. Self-assembly of amphiphilic diblock copolymers is an attractive bottom-up approach to prepare such nanoparticles. In the present work, RAFT polymerization is employed to synthesize a variety of poly(N,N-dimethylacrylamide)-b-poly[butyl acrylate-stat-GCB] copolymers, where GCB represents vinyl monomer containing triazine based Janus guanine-cytosine nucleobase motifs featuring multiple hydrogen bonding arrays.
View Article and Find Full Text PDFSimulating the Lyotropic Phase Behavior of a Partially Self-Complementary DNA Tetramer.
Biomacromolecules
July 2024
Dipartimento di Chimica Industriale "Toso Montanari", Università di Bologna, Viale del Risorgimento 4, Bologna 40136, Italy.
DNA oligomers in solution have been found to develop liquid crystal phases via a hierarchical process that involves Watson-Crick base pairing, supramolecular assembly into columns of duplexes, and long-range ordering. The multiscale nature of this phenomenon makes it difficult to quantitatively describe and assess the importance of the various contributions, particularly for very short strands. We performed molecular dynamics simulations based on the coarse-grained oxDNA model, aiming to depict all of the assembly processes involved and the phase behavior of solutions of the DNA GCCG tetramers.
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