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2 edition of Transition metal ion coordination in hydrophilic polymer membranes. found in the catalog.

Transition metal ion coordination in hydrophilic polymer membranes.

Andrew John Hall

Transition metal ion coordination in hydrophilic polymer membranes.

by Andrew John Hall

  • 68 Want to read
  • 10 Currently reading

Published by Aston University. Departmentof Chemical Engineering and Applied Chemistry in Birmingham .
Written in English


Edition Notes

Thesis (Phd) - Aston University, 1994.

ID Numbers
Open LibraryOL13907456M

The addition of metal ions can provide ionic conductivity to CHs, and the introduction of Mg 2+, Ca 2+, and Fe 3+ usually associated with organic ligands via metal‐coordination interaction to .   The review then categorizes different basic mechanisms for electrochemical switching of polymers: electrochemically induced solvation (switching of redox-active sites, which are strongly bound to the polymer), electrochemically induced complexation (free redox-active entities interact with complexation sites along the polymer), and mixed by:

The polymer chain structure provides very good chemical and thermal stability and also enables production of suitable thin membranes, while the negatively charged SO 3-groups are very appropriate for ion exchange, because sulphonate groups allow for the passage of cations and reject anions due to the occurrence of electrostatic interactions [ Preparation of non-spherical particles from amphiphilic block copolymers Journal of Polymer Science, Part a: Polymer Chemistry. DOI: /pola 1: Menyo MS, Hawker CJ, Waite JH. Rate-Dependent Stiffness and Recovery in Interpenetrating Network Hydrogels through Sacrificial Metal Coordination Bonds.

A polymer brush consists of end-tethered (grafted, anchored) polymer chains stretched away from the substrate due to the volume-excluded effect. In mixed brushes, two or more different polymers grafted to the same substrate constitute the brush. Unlike unmixed brush polymer, different polymers in the mixed brush segregate into nanoscopic phases. Metal-organic framework/polymer mixed-matrix membranes for H2/CO2 separation: A fully atomistic simulation study. L. L. Zhang, Z. Q. Hu, J. W. Jiang Journal of Physical Chemistry C, , ().


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Transition metal ion coordination in hydrophilic polymer membranes by Andrew John Hall Download PDF EPUB FB2

Hydrophilic polymer/metal-organic frameworks membrane for organics dehydration Hydrophilic membranes are typically used for the organics dehydration from low-water containing solution. To improve the dehydration performance of hydrophilic membranes, different MOFs were mixed with the hydrophilic matrix for MMMs.

The development of new synthetic approaches for the preparation of efficient 3D luminescent chemosensors for transition metal ions receives considerable attention nowadays, owing to the key role of the latter as elements in biological systems and their harmful environmental effects when present in aquatic media.

In this work, we describe an easy and versatile synthetic methodology that leads Cited by: 3. The polymer ligand P(AA-co-TPY) exhibited a strong absorption peak at nm, which was caused by the π-π* transition of the conjugated system in the 4-(2,2′:6′,2″-terpyridin-4′-yl)styrene unit.

2,2′:6′,2″-terpyridine can coordinate with many transition metal ions [26,27,28], and adding the transition metal ion solution to the Author: Huiqin Zhang, Pan Liu, Zheng Chi, Xuegang Chen. Coordination Compound Molecular Sieve Membranes. using molecular dispersions of three-dimensional network nanoporous transition-metal complexes.

The preparation of various types of ion exchange membranes by radiation-induced graft copolymerization of polar and functional monomers onto non-polar polymeric films and fibers is reviewed. Atom transfer radical polymerization (ATRP) is an accurate, efficient, and well-controlled technique for the preparation of different types of membranes as discussed in Chapter 2.

Therefore, due to its unique properties, this technique is used widely by researchers for. A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p-n junction diode that emits light when activated.[5] When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons.

The binding strength of the carboxylic acid group (-COOH) with different divalent metal ions displays considerable variation in arachidic acid (AA) thin films. It is considered that in AA thin films the metal ions straddle the hydrophilic regions of the stacked bilayers of AA molecules via formation of carboxylates.

In this study first the uptake of different divalent cations in films of AA is Cited by: Two-dimensional protein crystallization on lipid monolayers is becoming a powerful technique for structure determination as well as materials applications.

However, progress has been hindered by the requirement of a unique affinity lipid for each new protein of interest. Metal ion coordination by surface-accessible histidine side chains provides a convenient and general method for targeting of Cited by: Metal–organic frameworks (MOFs) are a class of compounds consisting of metal ions or clusters coordinated to organic ligands to form one- two- or three-dimensional structures.

They are a subclass of coordination polymers, with the special feature that they are often organic ligands included are sometimes referred to as "struts", one example being 1,4-benzenedicarboxylic acid (BDC).

High-Affinity Detection and Capture of Heavy Metal Contaminants using Block Polymer Composite MembranesCited by: 6. Zahra Abbasi, Ezzatollah Shamsaei, Xi-Ya Fang, Bradley Ladewig and Huanting Wang, Simple fabrication of zoelitic imidazolate frmework ZIF-8/polymer composite beads by phase inversion method for efficient oil sorption, Journal of Colloid and Interface Science,DOI: / Kang Liu, Yanru Bu, Dr Yuanhui Zheng, Prof Xuchuan Jiang, Prof Aibing.

Iron, cobalt, and nickel are similar in properties and are sometimes studied together as the “iron triad.” For example, each is a fairly active metal that reacts with acids to give hydrogen and the +2 ions. Recently, polymer–metal–organic frameworks (polyMOFs) were reported as a new class of hybrid porous materials that combine advantages of both organic polymers and crystalline MOFs.

Herein, we report a bridging coligand strategy to prepare new types of polyMOFs, demonstrating that polyMOFs are compatible with additional MOF architectures besides that of the earlier reported IRMOF-1 type Cited by: “Multivalent Ion Conduction in Solid Polymer Systems,” N "Decoupling Bulk Mechanics and Mono- and Multivalent Ion Transport in Polymers Based on Metal–Ligand Coordination", Nicole S.

Schauser, Gabriel E "Sequence of Hydrophobic and Hydrophilic Residues in Amphiphilic Polymer Coatings Affects Surface Structure and Marine. A survey of the most recent progress in the biomedical applications of metal-containing polymers is given. Due to the unique optical, electrochemical, and magnetic properties, at least 30 different metal elements, most of them transition metals, are introduced into polymeric frameworks for interactions with biology-relevant substrates via various by:   Metal–organic frameworks (MOFs) have diverse applications involving the storage, separation and sensing of weakly interacting, high-purity gases.

Exposure to Cited by: 3. Nanostructured polymer membranes with subnm pores for molecular size separations via the cross-linking of lyotropic liquid crystal assemblies.

ACS National Meeting Book of Abstracts. ; Effect of composition and nanostructure on CO2/N-2 transport properties of supported alkyl-imidazolium block copolymer membranes.

Free-radical polymerization (FRP) is a method of polymerization by which a polymer forms by the successive addition of free-radical building blocks. Free radicals can be formed by a number of different mechanisms, usually involving separate initiator molecules.

Following its generation, the initiating free radical adds (nonradical) monomer units, thereby growing the polymer chain. Polymer is an interdisciplinary journal dedicated to publishing innovative and significant advances in Polymer Physics, Chemistry and Technology.

We welcome submissions on polymer hybrids, nanocomposites, characterisation and self-assembly. Polymer Science (69) Environmental Chemistry (62) Polymer and Organic Materials (60) Life Sciences (56) Medicine and Health Sciences (47) Physical Chemistry (44) Physics (41) Analytical Chemistry (34) Medicinal-Pharmaceutical Chemistry (26) Chemicals and Drugs (24) Nanoscience and Nanotechnology (23) Biochemistry, Biophysics, and Structural.Dr.

Petar R. Dvornic's Research. Discipline/Specialization: Semipermeable polymer membranes. Permeability and permselectivity. S.D. Reeves, P.L. Parham and L.W. Hoffman, “Small-Angle Neutron Scattering From Metal Ion-Containing PAMAMOS Dendrimer Networks”, st National Meeting of the American Chemical Society, San Diego.

In recent years, design and synthesis of novel coordination polymers have received much more attention than ever before [].The coordination polymers have potential applications in many aspects, such as gas storage, fluorescent, catalysis, separation, biological activity and so on [].Many coordination polymers with various structures and properties have been synthesized and reported [12 Cited by: 3.