Outputs (1330)

Plastic deformation of glassy polystyrene : a unified model of yield and the role of chain length (2004)
Journal Article
Wu, J., & Buckley, C. (2004). Plastic deformation of glassy polystyrene : a unified model of yield and the role of chain length. Journal of Polymer Science Part B: Polymer Physics, 42(11), 2027-2040. https://doi.org/10.1002/polb.20089

A study was made of yield and plastic flow in glassy polystyrene. A range of 12 linear atactic polystyrenes was studied: monodisperse, bimodal blends, and a polydisperse commercial sample. Mn varied between 66,000 and 490,000 g/mol. These were given... Read More about Plastic deformation of glassy polystyrene : a unified model of yield and the role of chain length.

Structural investigations on quinone methides for understanding their properties in confined media. (2006)
Journal Article
Szarma, R., Batsanov, A., Kataky, R., & Baruah, J. (2006). Structural investigations on quinone methides for understanding their properties in confined media. Journal of Inclusion Phenomena and Macrocyclic Chemistry, 55(1-2), 1-9. https://doi.org/10.1007/s10847-005-9001-1

Encapsulation of 4−[(4′-hydroxy−3′,5′-dimethylphenyl)(aryl)-methylene]−2,6−dimethyl-cyclohexa−2,5−dienones (when aryl=4−hydroxyphenyl 1, 4−methoxyphenyl 2, 2,3,4-trimethoxy phenyl 3) by β-cyclodextrin is studied. The compound 2 is selectively encapsu... Read More about Structural investigations on quinone methides for understanding their properties in confined media..

In situ water permeation measurement using an external He-3(2+) ion beam (2006)
Journal Article
Clough, A., Collins, S., Gauntlett, F., Hodgson, M., Jeynes, C., Rihawy, M., …Thompson, R. (2006). In situ water permeation measurement using an external He-3(2+) ion beam. Journal of Membrane Science, 285(1-2), 137-143. https://doi.org/10.1016/j.memsci.2006.08.014

A new approach for water vapour transmission rate (WVTR) measurement is demonstrated that uses an external ion beam. ‘Sandwich’ specimens were prepared comprising two films of the barrier material (PET) surrounding a thin film of hydrophilic poly(eth... Read More about In situ water permeation measurement using an external He-3(2+) ion beam.

HyperMacs. Long chain branched analogues of hyperbranched polymers prepared by the polycondensation of AB(2) macromonomers. (2006)
Journal Article
Hutchings, L., Dodds, J., & Roberts-Bleming, S. (2006). HyperMacs. Long chain branched analogues of hyperbranched polymers prepared by the polycondensation of AB(2) macromonomers. Macromolecular Symposia, 240(1), 56-67. https://doi.org/10.1002/masy.200650808

We describe here a new strategy for the synthesis of polymers with highly branched architectures. The strategy involves the synthesis by anionic polymerization of well-defined AB2 polystyrene macromonomers with molecular weights from 3,600 to 94,000... Read More about HyperMacs. Long chain branched analogues of hyperbranched polymers prepared by the polycondensation of AB(2) macromonomers..

A conformationally flexible, urea-based tripodal anion receptor: Solid-state, solution, and theoretical studies (2006)
Journal Article
Turner, D., Paterson, M., & Steed, J. (2006). A conformationally flexible, urea-based tripodal anion receptor: Solid-state, solution, and theoretical studies. Journal of Organic Chemistry, 71(4), 1598-1608. https://doi.org/10.1021/jo052339f

Tripodal tris(urea) cationic receptors 1 and 2 containing p-tolyl or octyl substituents, respectively, have been synthesized, and their association behavior with anionic guests has been studied via a variety of methods. The receptors are based around... Read More about A conformationally flexible, urea-based tripodal anion receptor: Solid-state, solution, and theoretical studies.

A modular approach to organic, coordination complex and polymer based podand hosts for anions. (2006)
Journal Article
Filby, M., & Steed, J. (2006). A modular approach to organic, coordination complex and polymer based podand hosts for anions. Coordination Chemistry Reviews, 250(23-24), 3200-3218. https://doi.org/10.1016/j.ccr.2006.06.004

A range of novel host molecules with various degrees of preorganisation for the supramolecular complexation of anionic guest species are analysed within the context of other recent advances in the field. A modular approach to the design of cationic p... Read More about A modular approach to organic, coordination complex and polymer based podand hosts for anions..

Supporting ruthenium initiator on PolyHIPE. (2006)
Journal Article
Cetinkaya, S., Khosravi, E., & Thompson, R. (2006). Supporting ruthenium initiator on PolyHIPE. Journal of Molecular Catalysis A: Chemical, 254(1-2), 138-144. https://doi.org/10.1016/j.molcata.2006.02.071

PolyHIPE samples were successfully synthesised using divinylbenzene and styrene as polymerisable continuous phase, aqueous phase containing potassium persulphate and calcium chloride dihydrate, a mixture of emulsifiers (SPAN20, CTAB and DDBSS) and to... Read More about Supporting ruthenium initiator on PolyHIPE..

Polarization effects in optically bound particle arrays (2006)
Journal Article
Mellor, C., Fennerty, T., & Bain, C. (2006). Polarization effects in optically bound particle arrays. Optics Express, 14(21), 10079-10088. https://doi.org/10.1364/oe.14.010079

Sub-micron polystyrene spheres spontaneously assemble into twodimensional arrays in the evanescent field of counterpropagating laser beams at the silica–water interface. The symmetry and dynamics of these arrays depends on the particle size and the p... Read More about Polarization effects in optically bound particle arrays.

Helical or polar guest-dependent Z‘ = 1.5 or Z‘ = 2 forms of a sterically hindered bis(urea) clathrate. (2006)
Journal Article
Todd, A., Anderson, K., Byrne, P., Goeta, A., & Steed, J. (2006). Helical or polar guest-dependent Z‘ = 1.5 or Z‘ = 2 forms of a sterically hindered bis(urea) clathrate. Crystal Growth and Design, 6(8), 1750-1752. https://doi.org/10.1021/cg060318o

A sterically hindered bis(pyridylurea) species forms clathrates with water, methanol, and ethanol, all exhibiting unusual polar structures with Z‘ > 1. This crystal packing is due to the hindered geometry about the urea oxygen acceptor atoms.

Crystal engineering with ethynylbenzenes Part 2. Structures of 4-trimethylsilylethynyl-N,N-dimethylaniline, and 4-ethynyl-N,N-dimethylaniline with Z '=12 and a single-crystal to single-crystal phase transition at 122.5 +/- 2 K (2006)
Journal Article
Batsanov, A., Collings, J., Ward, R., Goeta, A., Porres, L., Beeby, A., …Marder, T. (2006). Crystal engineering with ethynylbenzenes Part 2. Structures of 4-trimethylsilylethynyl-N,N-dimethylaniline, and 4-ethynyl-N,N-dimethylaniline with Z '=12 and a single-crystal to single-crystal phase transition at 122.5 +/- 2 K. CrystEngComm, 8, 622-628. https://doi.org/10.1039/b606327f

The crystal and molecular structures of 4-ethynyl-N,N-dimethylaniline (1), and 4-(trimethylsilylethynyl)-N,N-dimethylaniline (2), have been obtained from X-ray diffraction data. Crystals of 1 exhibit a phase transition at 122.5 ± 2 K. Both polymorphs... Read More about Crystal engineering with ethynylbenzenes Part 2. Structures of 4-trimethylsilylethynyl-N,N-dimethylaniline, and 4-ethynyl-N,N-dimethylaniline with Z '=12 and a single-crystal to single-crystal phase transition at 122.5 +/- 2 K.

Polymer blends in a contraction-expansion flow (2006)
Journal Article
Clarke, N., De Luca, E., Bent, J., Buxton, G., Gough, T., Grillo, I., & Hutchings, L. (2006). Polymer blends in a contraction-expansion flow. Macromolecules, 39(22), 7607-7616. https://doi.org/10.1021/ma0610966

We have probed the coupling between flow and concentration fluctuations in polymer blends using small-angle neutron scattering. We utilized a recirculating cell with a slot die, enabling us to measure the behavior at the entrance, within and at the e... Read More about Polymer blends in a contraction-expansion flow.

Surface adsorption of polar end-functionalised polystyrenes (2006)
Journal Article
Narrainen, A., Clarke, N., Eggleston, S., Hutchings, L., & Thompson, R. (2006). Surface adsorption of polar end-functionalised polystyrenes. Soft Matter, 2(11), 981-985. https://doi.org/10.1039/b608688h

Due to their inherently high surface energy, polar end-functionalised polymers do not normally adsorb to the external surfaces of blends. However, adsorption of polar functionalities can be induced rapidly by annealing in a polar environment such as... Read More about Surface adsorption of polar end-functionalised polystyrenes.

GFAP and its role in Alexander disease (2007)
Journal Article
Quinlan, R., Brenner, M., Goldman, J., & Messing, A. (2007). GFAP and its role in Alexander disease. Experimental Cell Research, 313(10), 2077-87

Here we review how GFAP mutations cause Alexander disease. The current data suggest that a combination of events cause the disease. These include: (i) the accumulation of GFAP and the formation of characteristic aggregates, called Rosenthal fibers, (... Read More about GFAP and its role in Alexander disease.

Emulsion-templated porous materials (PolyHIPEs) for selective ion and molecular recognition and transport: applications in electrochemical sensing (2007)
Journal Article
Zhao, C., Danish, E., Cameron, N., & Kataky, R. (2007). Emulsion-templated porous materials (PolyHIPEs) for selective ion and molecular recognition and transport: applications in electrochemical sensing. Journal of materials chemistry, 17(23), 2446-2453. https://doi.org/10.1039/b700929a

Functionalised emulsion-templated polymers (PolyHIPEs) are reported as new materials for electroanalytical applications. PolyHIPEs, which are prepared from high internal phase emulsions (HIPEs), were tailored by optimisation of polymerisation conditi... Read More about Emulsion-templated porous materials (PolyHIPEs) for selective ion and molecular recognition and transport: applications in electrochemical sensing.

Anion binding by Ag(I) complexes of urea-substituted pyridyl ligands (2005)
Journal Article
Turner, D., Smith, B., Spencer, E., Goeta, A., Evans, I., Tocher, D., …Steed, J. (2005). Anion binding by Ag(I) complexes of urea-substituted pyridyl ligands. New Journal of Chemistry, 29(1), 90-98

A series of Ag(I) complexes of ureidopyridyl ligands 1 and 2 have been prepared from oxo-anion salts. In all cases the new materials contain the AgL2+ cation interacting with oxo-anions via the urea moiety. The complexes containing the para ligand 2:... Read More about Anion binding by Ag(I) complexes of urea-substituted pyridyl ligands.

Cooperative hydrogen-bonding effects in a water square: A single-crystal neutron and partial atomic charges and hardness analysis study (2005)
Journal Article
Turner, D., Henry, M., Wilkinson, C., McIntyre, G., Mason, S., Goeta, A., & Steed, J. (2005). Cooperative hydrogen-bonding effects in a water square: A single-crystal neutron and partial atomic charges and hardness analysis study. Journal of the American Chemical Society, 127(31), 11063-11074. https://doi.org/10.1021/ja052081a

Four isomorphous complexes of formula [M(L)(4)(H2O)(2)]SO(4)center dot 2H(2)O (M = CO, 1a; Ni, 1b; Cu, 1c; Zn, 1d) have been isolated and characterized by single-crystal X-ray diffraction and neutron diffraction using the quasi-Laue diffractometer VI... Read More about Cooperative hydrogen-bonding effects in a water square: A single-crystal neutron and partial atomic charges and hardness analysis study.

DendriMacs. Well-defined dendritically branched polymers synthesized by an iterative convergent strategy involving the coupling reaction of AB₂ macromonomers (2006)
Journal Article
Hutchings, L., & Roberts-Bleming, S. (2006). DendriMacs. Well-defined dendritically branched polymers synthesized by an iterative convergent strategy involving the coupling reaction of AB₂ macromonomers. Macromolecules, 39(6), 2144-2152. https://doi.org/10.1021/ma052627d

We describe here the first example of an iterative convergent strategy for the synthesis of dendritically branched polymers involving condensation coupling reactions of AB2 macromonomers. The macromonomers were synthesized by living anionic polymeriz... Read More about DendriMacs. Well-defined dendritically branched polymers synthesized by an iterative convergent strategy involving the coupling reaction of AB₂ macromonomers.

Scaled chiral indices for ferroelectric liquid crystals (2002)
Journal Article
Solymosi, M., Low, R., Grayson, M., Neal, M., Wilson, M., & Earl, D. (2002). Scaled chiral indices for ferroelectric liquid crystals. Ferroelectrics, 277, 483-490

Chirality of optically active liquid crystal molecules has become an important research topic and the subject of a number of theoretical and experimental studies. We present here the results of the application of a newly developed scaling method of a... Read More about Scaled chiral indices for ferroelectric liquid crystals.

Molecular containers: Design approaches and applications (2004)
Journal Article
Turner, D., Pastor, A., Alajarin, M., & Steed, J. (2004). Molecular containers: Design approaches and applications

The design and synthesis of molecular containers is playing an increasing role in the selective removal and detection of species within solution. The cavities offered by such species provide the possibility of three-dimensional molecular recognition... Read More about Molecular containers: Design approaches and applications.

Bubble suspension rheology and implications for conduit flow (2005)
Journal Article
Llewellin, E., & Manga, M. (2005). Bubble suspension rheology and implications for conduit flow. Journal of Volcanology and Geothermal Research, 143(1-3), 205-217. https://doi.org/10.1016/j.jvolgeores.2004.09.018

Bubbles are ubiquitous in magma during eruption and influence the rheology of the suspension. Despite this, bubble-suspension rheology is routinely ignored in conduit-flow and eruption models, potentially impairing accuracy and resulting in the loss... Read More about Bubble suspension rheology and implications for conduit flow.