pH-Responsive Gelation in Metallo-Supramolecular Polymers Based on the Protic Pyridinedicarboxamide Ligand

Article Chemistry, Physical

Defect-controlled softness, diffusive permeability, and mesh-topology of metallo-supramolecular hydrogels

Paola Nicolella et al.

Summary: In this study, the diffusivity and softness of metallo-supramolecular hydrogels were actively controlled by introducing connectivity defects. This provides potential applications in tissue engineering and drug delivery.

SOFT MATTER (2022)

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Article Chemistry, Multidisciplinary

Shape-Memory Metallopolymers Based on Two Orthogonal Metal-Ligand Interactions

Josefine Meurer et al.

Summary: A new shape-memory polymer is presented, utilizing two different metal complexes to achieve high strain fixity rates and strain recovery rates, with the mechanism revealed through various techniques such as Raman spectroscopy.

ADVANCED MATERIALS (2021)

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Article Chemistry, Physical

Efficient hydro-finishing of polyalfaolefin based lubricants under mild reaction condition using Pd on ligands decorated halloysite

Mahtab Tabrizi et al.

Summary: A novel catalyst was designed and fabricated for efficient hydrofinishing of polyalfaolefin based lubricants, showing excellent activity under mild reaction conditions and recyclability. The catalyst contained tiny Pd nanoparticles homogeneously dispersed on functionalized halloysite, with insignificant Pd leaching and loss of activity over multiple cycles.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Polymer Science

Coordination Geometry Preference Regulates the Structure and Dynamics of Metallo-Supramolecular Polymer Networks

Mostafa Ahmadi et al.

Summary: Metal-ligand interactions play a crucial role in the development of biomimetic polymers, with the coordination geometry significantly impacting the macroscopic properties of materials. By studying different coordination geometry preferences, the structure and dynamics of metallo-supramolecular polymers can be effectively regulated.

MACROMOLECULES (2021)

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Review Biochemistry & Molecular Biology

Review on the Use of Heavy Metal Deposits from Water Treatment Waste towards Catalytic Chemical Syntheses

Tushar Kanti Das et al.

Summary: Accumulation of heavy metals in wastewater has become a serious problem for humans. Recent research trends focus not only on the removal efficiency of toxic metal particles, but also on their effective reuse as catalysts. This review discusses the recovery of heavy metals from wastewater, advantages of new capturing systems, and mechanisms for immobilization and rejuvenation of catalysts.

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (2021)

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Article Chemistry, Multidisciplinary

Pd on nitrogen rich polymer?halloysite nanocomposite as an environmentally benign and sustainable catalyst for hydrogenation of polyalfaolefin based lubricants

Sahar Karimi et al.

Summary: By combining computational and experimental studies, a novel nanocomposite was developed using natural materials for hydrofinishing of poly alpha-olefin oils. The resulting catalyst exhibited excellent performance under mild reaction conditions and good recyclability.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2021)

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Article Multidisciplinary Sciences

In situ mechanical reinforcement of polymer hydrogels via metal-coordinated crosslink mineralization

Sungjin Kim et al.

Summary: Biological organic-inorganic materials, such as self-assembling metal-reinforced mussel holdfast threads, remain a popular source of inspiration for materials design and engineering. Here the authors show that metal-coordinate polymer networks can be utilized as simple composite scaffolds for direct in situ crosslink mineralization.

NATURE COMMUNICATIONS (2021)

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Review Nanoscience & Nanotechnology

Transition-metal coordinate bonds for bioinspired macromolecules with tunable mechanical properties

Eesha Khare et al.

Summary: Transition-metal coordination complexes are being used to engineer the mechanical properties of advanced structural materials, offering dynamic, tunable, and reversible properties. Their application in bioinspired materials design presents opportunities for novel materials with tunable mechanical properties.

NATURE REVIEWS MATERIALS (2021)

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Article Polymer Science

Structural and Gelation Characteristics of Metallo-Supramolecular Polymer Model-Network Hydrogels Probed by Static and Dynamic Light Scattering

Martha Franziska Koziol et al.

Summary: This study investigates the scattering properties of supramolecular polymer gels and explores the effects of different metal ions on telechelic poly(ethylene glycol) model networks. By introducing a new preparation method that alters the gelation time, the underlying gelation mechanism can be revealed through time-resolved light scattering. Statistical analysis of gel scattering intensities reveals major differences based on the metal-ligand association strength.

MACROMOLECULES (2021)

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Article Chemistry, Multidisciplinary

Effect of Polymer Length on the Adsorption onto Aluminogermanate Imogolite Nanotubes

Giuseppe Cavallaro et al.

Summary: This study investigates the adsorption mechanism of nonionic polymers onto aluminogermanate imogolite nanotubes using nanoisothermal titration calorimetry. The results show that the affinity towards the nanotube surface is driven by enthalpy and strongly influenced by the polymer chain length. Small-angle neutron scattering and rheology techniques were used to probe the polymer configuration and flow properties of the complexes, providing insights for advanced applications.

LANGMUIR (2021)

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Article Polymer Science

Direct Evidence of Heteroleptic Complexation in the Macroscopic Dynamics of Metallo-supramolecular Polymer Networks

Mostafa Ahmadi et al.

Summary: In this study, heteroleptic complexes were shown to play a role in the formation of physical hydrogels by mixing different functionalized polymer precursors and transition metal ions. The emergence of a third relaxation mode associated with heteroleptic complexes was revealed through rheological measurements, indicating the formation of heteroleptic complexes. Spectroscopic analyses and theoretical calculations further demonstrated the formation of heteroleptic complexes with transition metal ions.

MACROMOLECULES (2021)

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Review Polymer Science

Versatile Applications of Metallopolymers

Stefan Goetz et al.

Summary: The incorporation of metal complexes into polymers creates functional materials with a wide range of applications such as catalysis, optics, and biomedicine. These metallopolymers exhibit properties like self-assembly, stimuli-responsive behavior, self-healing, and shape-memory, with further potential applications on the horizon.

PROGRESS IN POLYMER SCIENCE (2021)

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Article Chemistry, Physical

Towards mild conditions by predictive catalysis via sterics in the Ru-catalyzed hydrogenation of thioesters

Michele Tomasini et al.

Summary: The discovery of direct hydrogenation of thioesters to thiols and alcohols catalyzed by a Ru-acridine complex has been studied through DFT calculations to understand different performance based on the nature of substituents. Unveiling the reaction mechanism provides a deeper understanding of the steric and electronic properties affecting the limiting step of the reaction. Tools such as steric maps and Conceptual DFT have been used to rationalize reactivity patterns, while studying the catalyst's nature and substituents on phosphorous atoms aims to achieve milder reaction conditions.

MOLECULAR CATALYSIS (2021)

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Article Chemistry, Physical

Dual crosslinked metallopolymers using orthogonal metal complexes as rewritable shape-memory polymers

Josefine Meurer et al.

Summary: This work presents the synthesis and characterization of easily tunable shape-memory metallopolymers with excellent rewriting properties. By utilizing different metal salts, the stability of complexes can be independently tuned, allowing for control of the switching and rewriting temperature of the shape-memory polymer. Fixity and recovery rates up to 99% were achieved, with thermo mechanical analyses demonstrating the ability to rewrite without reducing shape-memory capabilities.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Materials Science, Multidisciplinary

Self-Healable Silicone Elastomer Based on the Synergistic Effect of the Coordination and Ionic Bonds

Shui Yu et al.

Summary: The study presents a dynamic silicone elastomer with carboxyl-amino ionic bond and carboxyl-Al3+ coordinated ionic bond, which exhibits both good mechanical property and self-healing ability. The hybrid network shows better mechanical performance compared to control samples based on single ionic bonds, with optimistic tensile strength and elongation at breaking. This strategy of combining multiple dynamic bond strategies is expected to provide a convenient way to prepare elastomers with synchronous mechanical property and self-healing performance.

ACS APPLIED POLYMER MATERIALS (2021)

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Review Materials Science, Multidisciplinary

Emergence, evidence, and effect of junction clustering in supramolecular polymer materials

Amir Jangizehi et al.

Summary: A significant portion of biomaterials consist of supramolecular polymers and networks formed by non-covalent interactions, which have complex structures and significant influences on material properties. Understanding the physical origin and subsequent manifestation of clusters is essential for designing materials with tuned properties and specific functions.

MATERIALS ADVANCES (2021)

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Article Polymer Science

A supramolecular polymer with ultra-stretchable, notch-insensitive, rapid self-healing and adhesive properties

Lun Zhang et al.

Summary: The novel polyamide-urea elastomer with metal-ligand interactions and hydrogen bonds exhibits excellent mechanical properties, rapid self-healing, and reusable adhesivity. It has extreme stretchability, outstanding tear resistance, and can fully restore its elasticity modulus and reach high elongation at room temperature. The unique dynamic bonds enable it to repeatedly and firmly adhere to different surfaces, making it ideal for intelligent adhesivity and flexible electronics.

POLYMER CHEMISTRY (2021)

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Review Chemistry, Multidisciplinary

Self-Healing Polymers Based on Coordination Bonds

Cheng-Hui Li et al.

ADVANCED MATERIALS (2020)

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Article Polymer Science

Connectivity Defects and Collective Assemblies in Model Metallo-Supramolecular Dual-Network Hydrogels

Mostafa Ahmadi et al.

MACROMOLECULAR CHEMISTRY AND PHYSICS (2020)

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Article Chemistry, Applied

The influence of the pH on the reaction mechanism of water oxidation by a Ru(bda) catalyst

Jesus A. Luque-Urrutia et al.

CATALYSIS TODAY (2020)

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Article Polymer Science

Self-Healing Metallo-Supramolecular Hydrogel Based on Specific Ni2+ Coordination Interactions of Poly(ethylene glycol) with Bistriazole Pyridine Ligands in the Main Chain

Xiaowen Xu et al.

MACROMOLECULAR RAPID COMMUNICATIONS (2020)

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Review Materials Science, Multidisciplinary

Hydrogel machines

Xinyue Liu et al.

MATERIALS TODAY (2020)

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Article Chemistry, Physical

Hydrogenation of CO2, Hydrogenocarbonate, and Carbonate to Formate in Water using Phosphine Free Bifunctional Iron Complexes

Sebastien Coufourier et al.

ACS CATALYSIS (2020)

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Article Polymer Science

Transient Healability of Metallosupramolecular Polymer Networks Mediated by Kinetic Control of Competing Chemical Reactions

Panpan Li et al.

MACROMOLECULES (2020)

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Article Polymer Science

Tunable Interpenetrating Polymer Network Hydrogels Based on Dynamic Covalent Bonds and Metal-Ligand Bonds

Hui Yang et al.

MACROMOLECULES (2020)

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Article Chemistry, Inorganic & Nuclear

Understanding the performance of a bisphosphonate Ru water oxidation catalyst

Jesus A. Luque-Urrutia et al.

DALTON TRANSACTIONS (2020)

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Article Polymer Science

A silicone elastomer with optimized and tunable mechanical strength and self-healing ability based on strong and weak coordination bonds

Ming Tian et al.

POLYMER CHEMISTRY (2020)

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Review Chemistry, Inorganic & Nuclear

Self-healing and shape memory metallopolymers: state-of-the-art and future perspectives

Gulzhian Dzhardimatieva et al.

DALTON TRANSACTIONS (2020)

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Article Chemistry, Physical

Thermodynamic control over energy dissipation modes in dual-network hydrogels based on metal-ligand coordination

Mostafa Ahmadi et al.

SOFT MATTER (2020)

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Article Polymer Science

Dynamic Model Metallo-Supramolecular Dual-Network Hydrogels with Independently Tunable Network Crosslinks

Mostafa Ahmadi et al.

JOURNAL OF POLYMER SCIENCE (2020)

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Article Chemistry, Physical

Conductive, Tough, Transparent, and Self-Healing Hydrogels Based on Catechol-Metal Ion Dual Self-Catalysis

Zhanrong Jia et al.

CHEMISTRY OF MATERIALS (2019)

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Article Polymer Science

Deconvolution of the Effects of Binary Associations and Collective Assemblies on the Rheological Properties of Entangled Side-Chain Supramolecular Polymer Networks

Mostafa Ahmadi et al.

MACROMOLECULES (2019)

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Review Chemistry, Multidisciplinary

Self-Healing Hydrogels: The Next Paradigm Shift in Tissue Engineering?

Sepehr Talebian et al.

ADVANCED SCIENCE (2019)

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Article Chemistry, Multidisciplinary

Mechanism of the Manganese-Pincer-Catalyzed Acceptorless Dehydrogenative Coupling of Nitriles and Alcohols

Jesus A. Luque-Urrutia et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Polymer Science

Disassociation and Reformation Under Strain in Polymer with Dynamic Metal-Ligand Coordination Cross-Linking

Qiuhong Zhang et al.

MACROMOLECULES (2019)

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Article Polymer Science

New insights into the mechanical and self-healing properties of polymers cross-linked by Fe(iii)-2,6-pyridinedicarboxamide coordination complexes

Sheng-Ran Mo et al.

POLYMER CHEMISTRY (2019)

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Article Chemistry, Physical

Multistimuli-Responsive Interconvertible Low-Molecular Weight Metallohydrogels and the in Situ Entrapment of CdS Quantum Dots Therein

Saibal Bera et al.

CHEMISTRY OF MATERIALS (2018)

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Article Chemistry, Multidisciplinary

A Conductive Self-Healing Double Network Hydrogel with Toughness and Force Sensitivity

Shunli Liu et al.

CHEMISTRY-A EUROPEAN JOURNAL (2018)

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Article Chemistry, Inorganic & Nuclear

Covalent and Ionic Capacity of MOFs To Sorb Small Gas Molecules

Jordi Poater et al.

INORGANIC CHEMISTRY (2018)

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Article Chemistry, Physical

Unraveling the role of entropy in tuning unimolecular vs. bimolecular reaction rates: The case of olefin polymerization catalyzed by transition metals

Laura Falivene et al.

MOLECULAR CATALYSIS (2018)

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Article Chemistry, Multidisciplinary

Towards Dynamic but Supertough Healable Polymers through Biomimetic Hierarchical Hydrogen-Bonding Interactions

Yan Song et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Polymer Science

Multistimuli, Multiresponsive Fully Supramolecular Orthogonally Bound Polymer Networks

Julien Sautaux et al.

MACROMOLECULES (2018)

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Review Biology

Mussel adhesion - essential footwork

J. Herbert Waite

JOURNAL OF EXPERIMENTAL BIOLOGY (2017)

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Article Mechanics

Association energy in strongly associative polymers

Zhijie Zhang et al.

JOURNAL OF RHEOLOGY (2017)

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Review Chemistry, Multidisciplinary

Perspectives on Mussel-Inspired Wet Adhesion

B. Kollbe Ahn

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Article Chemistry, Multidisciplinary

Pesticides Curbing Soil Fertility: Effect of Complexation of Free Metal Ions

Sukhmanpreet Kaur et al.

FRONTIERS IN CHEMISTRY (2017)

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Article Mechanics

Viscoelastic properties of linear associating poly(n-butyl acrylate) chains

L. G. D. Hawke et al.

JOURNAL OF RHEOLOGY (2016)

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Article Polymer Science

Engineering Elasticity and Relaxation Time in Metal-Coordinate Cross-Linked Hydrogels

Scott C. Grindy et al.

MACROMOLECULES (2016)

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Article Polymer Science

Cobalt Cross-Linked Redox-Responsive PEG Hydrogels: From Viscoelastic Liquids to Elastic Solids

Seraphine V. Wegner et al.

MACROMOLECULES (2016)

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Article Polymer Science

Tuning Dynamic Mechanical Response in Metallopolymer Networks through Simultaneous Control of Structural and Temporal Properties of the Networks

Davoud Mozhdehi et al.

MACROMOLECULES (2016)

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Article Chemistry, Multidisciplinary

A highly stretchable autonomous self-healing elastomer

Cheng-Hui Li et al.

NATURE CHEMISTRY (2016)

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Article Polymer Science

Orthogonal Control of the Dynamics of Supramolecular Gels from Heterotelechelic Associating Polymers

Jeremy Brassinne et al.

ACS MACRO LETTERS (2016)

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Article Chemistry, Physical

Stimuli-Responsive Supramolecular Hydrogels with High Extensibility and Fast Self-Healing via Precoordinated Mussel-Inspired Chemistry

Sen Hou et al.

CHEMISTRY OF MATERIALS (2015)

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Article Polymer Science

Dynamics of Entangled Linear Supramolecular Chains with Sticky Side Groups: Influence of Hindered Fluctuations

Mostafa Ahmadi et al.

MACROMOLECULES (2015)

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Article Chemistry, Physical

Control of hierarchical polymer mechanics with bioinspired metal-coordination dynamics

Scott C. Grindy et al.

NATURE MATERIALS (2015)

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Article Chemistry, Multidisciplinary

The Mechanical Role of Metal Ions in Biogenic Protein-Based Materials

Elena Degtyar et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2014)

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Article Chemistry, Multidisciplinary

Activation Energies Control the Macroscopic Properties of Physically Cross-Linked Materials

Eric A. Appel et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2014)

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Article Chemistry, Multidisciplinary

Self-Healing Multiphase Polymers via Dynamic Metal-Ligand Interactions

Davoud Mozhdehi et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Article Chemistry, Multidisciplinary

CP2K: atomistic simulations of condensed matter systems

Juerg Hutter et al.

WILEY INTERDISCIPLINARY REVIEWS-COMPUTATIONAL MOLECULAR SCIENCE (2014)

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Review Chemistry, Multidisciplinary

Perspectives in Chemistry - Steps towards Complex Matter

Jean-Marie Lehn

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

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Review Polymer Science

Self-Healing Polymers via Supramolecular Forces

Florian Herbst et al.

MACROMOLECULAR RAPID COMMUNICATIONS (2013)

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Article Polymer Science

Mussel-Inspired Histidine-Based Transient Network Metal Coordination Hydrogels

Dominic E. Fullenkamp et al.

MACROMOLECULES (2013)

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Article Chemistry, Physical

Chemical and Mechano Responsive Metal-Organic Gels of Bis(benzimidazole)-Based Ligands with Cd(II) and Cu(II) Halide Salts: Self Sustainability and Gas and Dye Sorptions

Suman Samai et al.

CHEMISTRY OF MATERIALS (2012)

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Article Chemistry, Physical

Revised self-consistent continuum solvation in electronic-structure calculations

Oliviero Andreussi et al.

JOURNAL OF CHEMICAL PHYSICS (2012)

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Article Chemistry, Physical

Multi-responsive self-healing metallo-supramolecular gels based on click ligand

Jinchun Yuan et al.

JOURNAL OF MATERIALS CHEMISTRY (2012)

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Article Chemistry, Multidisciplinary

Multiphase design of autonomic self-healing thermoplastic elastomers

Yulin Chen et al.

NATURE CHEMISTRY (2012)

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Review Chemistry, Multidisciplinary

Determining association constants from titration experiments in supramolecular chemistry

Pall Thordarson

CHEMICAL SOCIETY REVIEWS (2011)

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Article Chemistry, Physical

Tunable Coordinative Assembly of a Disc-Like Molecule and Metal Ions: From Mirospheres to Microtubes and Microrods

Ze-Yun Xiao et al.

CHEMISTRY OF MATERIALS (2011)

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Article Multidisciplinary Sciences

pH-induced metal-ligand cross-links inspired by mussel yield self-healing polymer networks with near-covalent elastic moduli

Niels Holten-Andersen et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2011)

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Review Pharmacology & Pharmacy

Computational methods to predict the reactivity of nanoparticles through structure-property relationships

Albert Poater et al.

EXPERT OPINION ON DRUG DELIVERY (2010)

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Article Multidisciplinary Sciences

Iron-Clad Fibers: A Metal-Based Biological Strategy for Hard Flexible Coatings

Matthew J. Harrington et al.

SCIENCE (2010)

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Review Chemistry, Physical

Why are double network hydrogels so tough?

Jian Ping Gong

SOFT MATTER (2010)

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Article Multidisciplinary Sciences

Self-healing and thermoreversible rubber from supramolecular assembly

Philippe Cordier et al.

NATURE (2008)

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Article Physics, Multidisciplinary

Restoring the density-gradient expansion for exchange in solids and surfaces

John P. Perdew et al.

PHYSICAL REVIEW LETTERS (2008)

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Article Chemistry, Physical

Gaussian basis sets for accurate calculations on molecular systems in gas and condensed phases

Joost VandeVondele et al.

JOURNAL OF CHEMICAL PHYSICS (2007)

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Article Chemistry, Physical

Accurate Coulomb-fitting basis sets for H to Rn

F Weigend

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2006)

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Article Chemistry, Physical

Balanced basis sets of split valence, triple zeta valence and quadruple zeta valence quality for H to Rn: Design and assessment of accuracy

F Weigend et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2005)

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Article Polymer Science

Dynamics of entangled solutions of associating polymers

M Rubinstein et al.

MACROMOLECULES (2001)

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pH-Responsive Gelation in Metallo-Supramolecular Polymers Based on the Protic Pyridinedicarboxamide Ligand

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