All Outputs (1170)

Synthesis and reactions of α-fluoro-α-amino amides (2008)
Journal Article
Bailey, P. D., Clayson, J., & Boa, A. N. (2009). Synthesis and reactions of α-fluoro-α-amino amides. Tetrahedron, 65(8), 1724-1736. https://doi.org/10.1016/j.tet.2008.11.061

N-((S)-1-Phenylethyl)halofluoroethanamides have been investigated as precursors to N-protected α-fluoro-α-amino amides by nucleophilic displacement of halide with nitrogen nucleophiles such as potassium phthalimide, sodium succinimide, sodium glutari... Read More about Synthesis and reactions of α-fluoro-α-amino amides.

Reactivity of the N-heterocyclic carbene complexes [Ru(IMes)(2)(CO)HX] (X = OH, Cl) with alkynes (2008)
Journal Article
Chatwin, S. L., Mahon, M. F., Prior, T. J., & Whittlesey, M. K. (2010). Reactivity of the N-heterocyclic carbene complexes [Ru(IMes)(2)(CO)HX] (X = OH, Cl) with alkynes. Inorganica Chimica Acta, 363(3), 625-632. https://doi.org/10.1016/j.ica.2008.11.013

Treatment of the 16-electron hydroxy hydride complex [Ru(IMes)(2)(CO)H(OH)] (1, IMes = 1,3-bis-(2,4,6-trimethylphenyl)imidazol-2-ylidene) with HC CR affords the alkynyl species [Ru(IMes)(2)(CO) H(C CR)] (R = Ph 3, SiMe3, 4) and [Ru(IMes)(2)(CO)(C... Read More about Reactivity of the N-heterocyclic carbene complexes [Ru(IMes)(2)(CO)HX] (X = OH, Cl) with alkynes.

Origin of stabilisation of aqueous foams in nanoparticle-surfactant mixtures (2008)
Journal Article
Binks, B. P., Kirkland, M., & Rodrigues, J. A. (2008). Origin of stabilisation of aqueous foams in nanoparticle-surfactant mixtures. Soft matter, 4(12), 2373-2382. https://doi.org/10.1039/b811291f

Using a range of complementary experiments, a detailed investigation into the behaviour of air-in-water foams stabilised by a mixture of silica nanoparticles and pure cationic surfactant has been made. At high pH where particles are significantly neg... Read More about Origin of stabilisation of aqueous foams in nanoparticle-surfactant mixtures.

Influence of particle composition and thermal cycling on bijel formation (2008)
Journal Article
White, K. A., Schofield, A. B., Binks, B. P., & Clegg, P. S. (2008). Influence of particle composition and thermal cycling on bijel formation. Journal of Physics: Condensed Matter, 20(49), Article ARTN 494223. https://doi.org/10.1088/0953-8984/20/49/494223

Colloidal particles with appropriate wetting properties can become very strongly trapped at an interface between two immiscible fluids. We have harnessed this phenomenon to create a new class of soft materials with intriguing and potentially useful c... Read More about Influence of particle composition and thermal cycling on bijel formation.

Inscription of fibre Bragg gratings in non-sensitised fibres using VUV F2 laser radiation (2008)
Journal Article
Dyer, P. E., Johnson, A. M., & Walton, C. D. (2008). Inscription of fibre Bragg gratings in non-sensitised fibres using VUV F2 laser radiation. Optics express, 16(23), 19297-19303. https://doi.org/10.1364/OE.16.019297

We report the inscription of fibre Bragg gratings in non-sensitised SMF 28 and HI 980 fibre by exposure to VUV F2 laser radiation at 157nm. The modulated effective refractive index change Δneff deduced from the shift in the grating reflection peaks w... Read More about Inscription of fibre Bragg gratings in non-sensitised fibres using VUV F2 laser radiation.

Stable isotope records of Late Quaternary climate and hydrology from Mediterranean lakes : the ISOMED synthesis (2008)
Journal Article
Roberts, N., Jones, M. D., Benkaddour, A., Eastwood, W. J., Filippi, M. L., Frogley, M. R., Lamb, H. F., Leng, M. J., Reed, J. M., Stein, M., Stevens, L., Valero-Garcés, B., & Zanchetta, G. (2008). Stable isotope records of Late Quaternary climate and hydrology from Mediterranean lakes : the ISOMED synthesis. Quaternary science reviews, 27(25-26), 2426-2441. https://doi.org/10.1016/j.quascirev.2008.09.005

Lake isotope records can be used to assess the spatial coherency of Late Quaternary climate change across the circum-Mediterranean region. We place modern and palaeo-data within a simple conceptual lake response model to show that the isotope hydrolo... Read More about Stable isotope records of Late Quaternary climate and hydrology from Mediterranean lakes : the ISOMED synthesis.

The dimeric "hand-shake" motif in complexes and metallo-supramolecular assemblies of cyclotriveratrylene-based ligands (2008)
Journal Article
Carruthers, C., Ronson, T. K., Sumby, C. J., Westcott, A., Harding, L. P., Prior, T. J., Rizkallah, P., & Hardie, M. J. (2008). The dimeric "hand-shake" motif in complexes and metallo-supramolecular assemblies of cyclotriveratrylene-based ligands. Chemistry: a European journal, 14(33), 10286-10296. https://doi.org/10.1002/chem.200801264

A series of clathrate and metal complexes with cyclotriveratrylene-like molecular host ligands show a similar dimeric homomeric inclusion motif in which a ligand arm of one host is the intra-cavity guest of another and vice versa. This "hand-shake" m... Read More about The dimeric "hand-shake" motif in complexes and metallo-supramolecular assemblies of cyclotriveratrylene-based ligands.

Multinuclear alkylaluminium macrocyclic Schiff base complexes: Influence of procatalyst structure on the ring opening polymerisation of ε-caprolactone (2008)
Journal Article
Arbaoui, A., Redshaw, C., & Hughes, D. L. (2008). Multinuclear alkylaluminium macrocyclic Schiff base complexes: Influence of procatalyst structure on the ring opening polymerisation of ε-caprolactone. Chemical communications : Chem comm / the Royal Society of Chemistry, 4717-4719. https://doi.org/10.1039/b810417d

Two remote dialkylaluminium centres supported by a macrocyclic Schiff base ligand exhibited beneficial cooperative effects, whilst aluminoxane-type bonding proved to be detrimental to activity for the ring opening polymerisation of ε-caprolactone.

A prototype microfluidic chip using fluorescent yeast for detection of toxic compounds (2008)
Journal Article
García-Alonso, J., Greenway, G. M., Hardege, J. D., & Haswell, S. J. (2009). A prototype microfluidic chip using fluorescent yeast for detection of toxic compounds. Biosensors & bioelectronics, 24(5), 1508-1511. https://doi.org/10.1016/j.bios.2008.07.074

A microfluidic chip has been developed to enable the screening of chemicals for environmental toxicity. The microfluidic approach offers several advantages over macro-scale systems for toxicity screening, including low cost and flexibility in design.... Read More about A prototype microfluidic chip using fluorescent yeast for detection of toxic compounds.

Mesogenic dipyrrins - building blocks for the fabrication of fluorescent and metal-containing materials (2008)
Journal Article
Wilson, C. J., James, L., Mehl, G. H., & Boyle, R. W. (2008). Mesogenic dipyrrins - building blocks for the fabrication of fluorescent and metal-containing materials. Chemical communications : Chem comm / the Royal Society of Chemistry, 4582-4584. https://doi.org/10.1039/b806672h

A new class of mesogenic dipyrrins is reported and their use in the fabrication of fluorescent and metal-containing self assembling materials is demonstrated.

N-N bond cleavage in N-nitrosoarylamines (2008)
Journal Article
Evans, L. A., Petrovic, M., Antonijevic, M., Wiles, C., Watts, P., & Wadhawan, J. (2008). N-N bond cleavage in N-nitrosoarylamines. Journal of physical chemistry. C, 112(33), 12928-12935. https://doi.org/10.1021/jp710473a

The rupture of N-N bonds in three specific N-nitrosoarylamines (N,N'-dimethyl-N,N-dinitroso-para-phenylenediamine, Cupferron, and N-nitrosodiphenylamine) upon electrochemical oxidation in acetonitrile solution is investigated. In two cases, viz., Cup... Read More about N-N bond cleavage in N-nitrosoarylamines.

Long-term stabilization of foams and emulsions with in-situ formed microparticles from hydrophobic cellulose (2008)
Journal Article
Wege, H. A., Kim, S., Paunov, V. N., Zhong, Q., & Velev, O. D. (2008). Long-term stabilization of foams and emulsions with in-situ formed microparticles from hydrophobic cellulose. Langmuir : the ACS journal of surfaces and colloids, 24(17), 9245-9253. https://doi.org/10.1021/la801634j

We report a simple method to produce foams and emulsions of extraordinary stability by using hydrophobic cellulose microparticles, which are formed in situ by a liquid-liquid dispersion technique. The hydrophobic cellulose derivative, hypromellose ph... Read More about Long-term stabilization of foams and emulsions with in-situ formed microparticles from hydrophobic cellulose.

Scalable fabrication of anisotropic micro-rods from food-grade materials using an in shear flow dispersion–solvent attrition technique (2008)
Journal Article
Campbell, A. L., Holt, B. L., Stoyanov, S. D., & Paunov, V. N. (2008). Scalable fabrication of anisotropic micro-rods from food-grade materials using an in shear flow dispersion–solvent attrition technique. Journal of Materials Chemistry, 18(34), 4074-4078. https://doi.org/10.1039/b807738j

We report a scalable fabrication of novel, food-grade anisotropic micro-rods from shellac and ethyl cellulose with controllable morphology which was studied using scanning electron microscopy and optical microscopy. The aqueous suspensions of these a... Read More about Scalable fabrication of anisotropic micro-rods from food-grade materials using an in shear flow dispersion–solvent attrition technique.

Reaction between L-cysteine and 10-methylphenothiazine cation radical released from droplet-modified electrodes (2008)
Journal Article
Horn, J. J., Watson, A., Lewis, M., McCreedy, T., & Wadhawan, J. D. (2008). Reaction between L-cysteine and 10-methylphenothiazine cation radical released from droplet-modified electrodes. Electrochemistry communications, 10(9), 1384-1387. https://doi.org/10.1016/j.elecom.2008.07.021

The electrochemical oxidation of 10-methylphenothiazine (PMe) dissolved in 1,2-trans-dibromocyclohexane oil droplets immobilised on a basal plane pyrolytic graphite (BPPG) electrode and bathed by an aqueous electrolyte is a one-electron quasi-reversi... Read More about Reaction between L-cysteine and 10-methylphenothiazine cation radical released from droplet-modified electrodes.

Novel inorganic polymer derived microreactors for organic microchemistry applications (2008)
Journal Article
Yoon, T.-H., Park, S.-H., Min, K.-I., Zhang, X., Haswell, S. J., & Kim, D.-P. (2008). Novel inorganic polymer derived microreactors for organic microchemistry applications. Lab on a chip, 8(9), 1454-1459. https://doi.org/10.1039/b804726j

Microreactors fabricated with optically transparent inorganic polymers from two types of precursors using a UV-microimprinting process demonstrated reliable solvent resistance and capability for performing three model organic synthetic reactions, whi... Read More about Novel inorganic polymer derived microreactors for organic microchemistry applications.

Double phase inversion of emulsions stabilized by a mixture of CaCO3 nanoparticles and sodium dodecyl sulphate (2008)
Journal Article
Cui, Z. G., Shi, K. Z., Cui, Y. Z., & Binks, B. P. (2008). Double phase inversion of emulsions stabilized by a mixture of CaCO3 nanoparticles and sodium dodecyl sulphate. Colloids and surfaces. A, Physicochemical and engineering aspects, 329(1-2), 67-74. https://doi.org/10.1016/j.colsurfa.2008.06.049

The interaction between unmodified CaCO3 nanoparticles and sodium dodecyl sulphate (SDS) in aqueous solution and the subsequent emulsification of the mixed dispersions are studied by means of zeta potential measurements, adsorption and emulsion chara... Read More about Double phase inversion of emulsions stabilized by a mixture of CaCO3 nanoparticles and sodium dodecyl sulphate.

The on-line synthesis of enzyme functionalized silica nanoparticles in a microfluidic reactor using polyethylenimine polymer and R5 peptide (2008)
Journal Article
He, P., Greenway, G., & Haswell, S. J. (2008). The on-line synthesis of enzyme functionalized silica nanoparticles in a microfluidic reactor using polyethylenimine polymer and R5 peptide. Nanotechnology, 19(31), 315603. https://doi.org/10.1088/0957-4484/19/31/315603

A simple microfluidic reactor system is described for the effective synthesis of enzyme functionalized nanoparticles which offers many advantages over batch reactions, including excellent enzyme efficiencies. Better control of the process parameters... Read More about The on-line synthesis of enzyme functionalized silica nanoparticles in a microfluidic reactor using polyethylenimine polymer and R5 peptide.

Mercury–fluorine interactions: a matrix isolation investigation of Hg⋯F2, HgF2 and HgF4 in argon matrices (2008)
Journal Article
Rooms, J. F., Wilson, A. V., Harvey, I., Bridgeman, A. J., & Young, N. A. (2008). Mercury–fluorine interactions: a matrix isolation investigation of Hg⋯F2, HgF2 and HgF4 in argon matrices. Physical chemistry chemical physics : PCCP, 10(31), 4594-4605. https://doi.org/10.1039/b805608k

HgF2 and Hg have been trapped in dilute F2/Ar and neat F2 matrices, subjected to UV-Vis and vac-UV photolysis and annealing, with the products identified by FTIR, UV-Vis-NIR and Hg L3-edge XAFS spectroscopic techniques. Whilst there was no convincing... Read More about Mercury–fluorine interactions: a matrix isolation investigation of Hg⋯F2, HgF2 and HgF4 in argon matrices.

Early transition metal complexes bearing a C-capped tris(phenolate) ligand incorporating a pendant imine arm: Synthesis, structure, and ethylene polymerization behavior (2008)
Journal Article
Wright, J. A., Hughes, D. L., Elsegood, M. R., Redshaw, C., & Homden, D. (2008). Early transition metal complexes bearing a C-capped tris(phenolate) ligand incorporating a pendant imine arm: Synthesis, structure, and ethylene polymerization behavior. Inorganic chemistry, 47(13), 5799-5814. https://doi.org/10.1021/ic702506w

The ligand 3-[2,2′-methylenebis(4,6-di-tert-butylphenol)-5-tert- butylsalicylidene-(2,6-diisopropyl)phenylimine] (L 1 H 3 ) was reacted with MCl 4 (M = Ti, Zr) or MCl 5 (M = Nb, Ta) to give complexes of the type [MCl 2 (L 1 H 2 ) 2 ] (M = Ti (1);... Read More about Early transition metal complexes bearing a C-capped tris(phenolate) ligand incorporating a pendant imine arm: Synthesis, structure, and ethylene polymerization behavior.

On the origin of the remarkable stability of aqueous foams stabilised by nanoparticles: link with microscopic surface properties (2008)
Journal Article
Cervantes Martinez, A., Rio, E., Delon, G., Saint-Jalmes, A., Langevin, D., & Binks, B. P. (2008). On the origin of the remarkable stability of aqueous foams stabilised by nanoparticles: link with microscopic surface properties. Soft matter, 4(7), 1531-1535. https://doi.org/10.1039/b804177f

We have performed a quantitative study of the coarsening of foams stabilised by partially hydrophobic silica nanoparticles. We have used a variety of techniques: optical and electron microscopy, microfluidics, and multiple light scattering. Using ear... Read More about On the origin of the remarkable stability of aqueous foams stabilised by nanoparticles: link with microscopic surface properties.