All Outputs (79)

Solution-processed bilayer photovoltaic devices with nematic liquid crystals (2013)
Journal Article
AlKhalifah, M. S., Lei, C., Myers, S. A., O’Neill, M., Kitney, S. P., & Kelly, S. M. (2014). Solution-processed bilayer photovoltaic devices with nematic liquid crystals. Liquid crystals, 41(3), 402-417. https://doi.org/10.1080/02678292.2013.834082

The cross-linking of polymerisable liquid crystalline semiconductors is a promising approach to solution-processable, multilayer, organic photovoltaics. Here we demonstrate an organic bilayer photovoltaic with an insoluble electron-donating layer for... Read More about Solution-processed bilayer photovoltaic devices with nematic liquid crystals.

The removal of thermally aged films of triacylglycerides by surfactant solutions (2013)
Journal Article
Dunstan, T. S., & Fletcher, P. D. I. (2014). The removal of thermally aged films of triacylglycerides by surfactant solutions. Journal of surfactants and detergents, 17(5), 899-910. https://doi.org/10.1007/s11743-013-1514-9

Thermal ageing of triacylglycerides (TAG) at high temperatures produces films which resist removal using aqueous surfactant solutions. We used a mass loss method to investigate the removal of thermally aged TAG films from hard surfaces using aqueous... Read More about The removal of thermally aged films of triacylglycerides by surfactant solutions.

Synthesis and antibacterial effects of aqueous colloidal solutions of silver nanoparticles using aminocellulose as a combined reducing and capping reagent (2013)
Journal Article
Cheng, F., Betts, J. W., Kelly, S. M., Schaller, J., & Heinze, T. (2013). Synthesis and antibacterial effects of aqueous colloidal solutions of silver nanoparticles using aminocellulose as a combined reducing and capping reagent. Green chemistry : an international journal and green chemistry resource : GC, 15(4), 989-998. https://doi.org/10.1039/c3gc36831a

A simple, environmentally friendly and cost-effective synthetic method has been developed to prepare highly stable aqueous colloidal solutions of small (2-14 nm) silver nanoparticles using aminocellulose (AMC) as a combined reducing and capping reage... Read More about Synthesis and antibacterial effects of aqueous colloidal solutions of silver nanoparticles using aminocellulose as a combined reducing and capping reagent.

Synthesis of 4-Alkyl-2′′, 3′′ difluoro terphenyl nitrile using coupling reactions (2012)
Journal Article
Kayani, Z. N., Lewis, R. A., & Naseem, S. (2012). Synthesis of 4-Alkyl-2′′, 3′′ difluoro terphenyl nitrile using coupling reactions. Journal of Molecular Liquids, 175, 72-84. https://doi.org/10.1016/j.molliq.2012.08.012

Study of chirality in liquid crystals is one of the most interesting areas of liquid crystal science. Liquid crystallineterphenyls with two lateral fluoro substituent and alkyl substituent in the 4- have been synthesised. Convergentapproach was appli... Read More about Synthesis of 4-Alkyl-2′′, 3′′ difluoro terphenyl nitrile using coupling reactions.

Cyanoalkyl difluoro-terphenyl-carboxylate chiral dopants (2012)
Journal Article
Kayani, Z. N., Lewis, R. A., & Naseem, S. (2012). Cyanoalkyl difluoro-terphenyl-carboxylate chiral dopants. Journal of Molecular Liquids, 170, 11-19. https://doi.org/10.1016/j.molliq.2012.03.018

A liquid crystal like difluoroterphenyl chiral dopant was synthesized to match the dimensions of a host chiral dopant mixture. The melting point of the chiral dopants was decreased by increasing the length of the alkyl chain. The melting point of the... Read More about Cyanoalkyl difluoro-terphenyl-carboxylate chiral dopants.

High internal phase emulsions: Catastrophic phase inversion, stability, and triggered destabilization (2011)
Journal Article
Dunstan, T. S., Fletcher, P. D., & Mashinchi, S. (2012). High internal phase emulsions: Catastrophic phase inversion, stability, and triggered destabilization. Langmuir : the ACS journal of surfaces and colloids, 28(1), 339-349. https://doi.org/10.1021/la204104m

We have investigated the formation, drop sizes, and stability of emulsions prepared by hand shaking in a closed vessel in which the emulsion is in contact with a single type of surface during its formation. The emulsions undergo catastrophic phase in... Read More about High internal phase emulsions: Catastrophic phase inversion, stability, and triggered destabilization.

Effect of added diols (glycols) on the emulsion properties of oil, water and surfactant mixtures (2011)
Journal Article
Binks, B. P., Fletcher, P. D., Thompson, M. A., & Elliott, R. P. (2011). Effect of added diols (glycols) on the emulsion properties of oil, water and surfactant mixtures. Colloids and surfaces. A, Physicochemical and engineering aspects, 390(1-3), 67-73. https://doi.org/10.1016/j.colsurfa.2011.09.005

We have investigated the effects of addition of various diols on the properties of water–paraffin emulsions stabilised by non-ionic surfactants. Diols do not partition to the oil phase of these emulsions to any significant extent. Diol addition cause... Read More about Effect of added diols (glycols) on the emulsion properties of oil, water and surfactant mixtures.

Antibacterial effects of theaflavin and synergy with epicatechin against clinical isolates of Acinetobacter baumannii and Stenotrophomonas maltophilia (2011)
Journal Article
Betts, J. W., Kelly, S. M., & Haswell, S. J. (2011). Antibacterial effects of theaflavin and synergy with epicatechin against clinical isolates of Acinetobacter baumannii and Stenotrophomonas maltophilia. International journal of antimicrobial agents, 38(5), 421-425. https://doi.org/10.1016/j.ijantimicag.2011.07.006

Stenotrophomonas maltophilia and Acinetobacter baumannii are recognised as important nosocomial pathogens; however, due to their intrinsic resistance to multiple antibiotics, treatment options are limited. Polyphenols from black tea have been shown t... Read More about Antibacterial effects of theaflavin and synergy with epicatechin against clinical isolates of Acinetobacter baumannii and Stenotrophomonas maltophilia.

Scaling up of continuous-flow, microwave-assisted, organic reactions by varying the size of Pd-functionalized catalytic monoliths (2011)
Journal Article
He, P., Haswell, S. J., Fletcher, P. D., Kelly, S. M., & Mansfield, A. (2011). Scaling up of continuous-flow, microwave-assisted, organic reactions by varying the size of Pd-functionalized catalytic monoliths. Beilstein Journal of Organic Chemistry, 7, 1150-1157. https://doi.org/10.3762/bjoc.7.133

A product-scalable, catalytically mediated flow system has been developed to perform Suzuki-Miyaura reactions under a microwave heating regime, in which the volumetric throughput of a Pd-supported silica monolith can be used to increase the quantity... Read More about Scaling up of continuous-flow, microwave-assisted, organic reactions by varying the size of Pd-functionalized catalytic monoliths.

Compartmentalization and separation of aqueous reagents in the water droplets of water-in-oil high internal phase emulsions (2011)
Journal Article
Dunstan, T. S., & Fletcher, P. D. I. (2011). Compartmentalization and separation of aqueous reagents in the water droplets of water-in-oil high internal phase emulsions. Langmuir : the ACS journal of surfaces and colloids, 27(7), 3409-3415. https://doi.org/10.1021/la200058d

We have compartmentalised aqueous reagents and indicator species within the micron-sized water droplets of mixed high internal phase emulsions (HIPEs). Mass transport of the reagents across the micron-thickness oil films separating the water droplets... Read More about Compartmentalization and separation of aqueous reagents in the water droplets of water-in-oil high internal phase emulsions.

Resolution of pentafluorophenyl 2-phenylpropanoate using combinations of quasi-enantiomeric oxazolidin-2-ones (2011)
Journal Article
Al Shaye, N., Benoit, D. M., Chavda, S., Coulbeck, E., Dingjan, M., Eames, J., & Yohannes, Y. (2011). Resolution of pentafluorophenyl 2-phenylpropanoate using combinations of quasi-enantiomeric oxazolidin-2-ones. Tetrahedron: Asymmetry, 22(4), 413-438. https://doi.org/10.1016/j.tetasy.2011.02.022

The kinetic, mutual and parallel resolution of a series of structurally related active esters derived from 2-phenylpropanoic acid using a combination of quasi-enantiomeric oxazolidin-2-ones is discussed.

Ordered materials for organic electronics and photonics (2010)
Journal Article
O’Neill, M., & Kelly, S. M. (2011). Ordered materials for organic electronics and photonics. Advanced materials, 23(5), 566-584. https://doi.org/10.1002/adma.201002884

We present a critical review of semiconducting/light emitting, liquid crystalline materials and their use in electronic and photonic devices such as transistors, photovoltaics, OLEDs and lasers. We report that annealing from the mesophase improves th... Read More about Ordered materials for organic electronics and photonics.

Production of deuterium labelled (−)-epicatechin in a microreactor (2010)
Journal Article
Betts, J. W., Kitney, S. P., Fu, Y., Peng, W., Kelly, S. M., & Haswell, S. J. (2011). Production of deuterium labelled (−)-epicatechin in a microreactor. Chemical Engineering Journal, 167(2-3), 545-547. https://doi.org/10.1016/j.cej.2010.08.093

Green tea catechins have been reported to have multiple health benefits. To understand their metabolic and toxicological interactions in the human body studies need to be undertaken using stable isotope labelled compounds, but they can be time consum... Read More about Production of deuterium labelled (−)-epicatechin in a microreactor.

Isolated word recognition of silent speech using magnetic implants and sensors (2010)
Journal Article
Gilbert, J. M., Rybchenko, S. I., Hofe, R., Ell, S. R., Fagan, M. J., Moore, R. K., & Green, P. (2010). Isolated word recognition of silent speech using magnetic implants and sensors. Medical engineering & physics, 32(10), 1189-1197. https://doi.org/10.1016/j.medengphy.2010.08.011

There are a number of situations where individuals wish to communicate verbally but are unable to use conventional means so called 'silent speech'. These include speakers in noisy and covert situations as well as patients who have lost their voice as... Read More about Isolated word recognition of silent speech using magnetic implants and sensors.

Optical properties of light-emitting nematic liquid crystals: A joint experimental and theoretical study (2010)
Journal Article
Liedtke, A., O'Neill, M., Kelly, S. M., Kitney, S. P., van Averbeke, B., Boudard, P., …Cornil, J. (2010). Optical properties of light-emitting nematic liquid crystals: A joint experimental and theoretical study. Journal of Physical Chemistry B, 114(37), 11975-11982. https://doi.org/10.1021/jp104280w

Semiempirical quantum-chemical calculations are used to simulate the optical properties of a series of green light-emitting nematic liquid crystals containing fluorene, thiophene, or thienothiophene groups with solid-state photoluminescence quantum e... Read More about Optical properties of light-emitting nematic liquid crystals: A joint experimental and theoretical study.

Comparison of Birch with electrochemical reduction of 2,3-diphenyl-1,4- diazaspiro[4.5]deca-1,3-diene (2010)
Journal Article
Zhou, Y., Andreou, A., Biktagirov, E., Eames, J., & Wadhawan, J. (2010). Comparison of Birch with electrochemical reduction of 2,3-diphenyl-1,4- diazaspiro[4.5]deca-1,3-diene. Electrochemistry communications, 12(11), 1493-1497. https://doi.org/10.1016/j.elecom.2010.08.016

Reduction of 2,3-diphenyl-1,4-diazaspiro[4.5]deca-1,3-diene is investigated both voltammetrically (glassy-carbon electrode, 20°C, non-aqueous-solvents) and using dissolving-metals (sodium, −78°C, tetrahydrofuran (THF)/NH3(l)). Remarkably, electro-red... Read More about Comparison of Birch with electrochemical reduction of 2,3-diphenyl-1,4- diazaspiro[4.5]deca-1,3-diene.

Desymmetrisation of (4R,5S)-4,5-diphenylimidazolidine-2-thione using pentafluorophenyl active esters (2010)
Journal Article
Andreou, A., Eames, J., Motevalli, M., Prior, T. J., & Watkinson, M. (2010). Desymmetrisation of (4R,5S)-4,5-diphenylimidazolidine-2-thione using pentafluorophenyl active esters. Tetrahedron letters; the international organ for the rapid publication of preliminary communications in organic chemistry, 51(10), 1423-1425. https://doi.org/10.1016/j.tetlet.2010.01.019

(4R,5S)-4,5-Diphenylimidazolidine-2-thione is efficiently desymmetrised by stereorandom deprotonation with NaHMDS, followed by kinetic resolution of the resulting racemic intermediate with an enantiomerically pure pentafluorophenyl active ester. The... Read More about Desymmetrisation of (4R,5S)-4,5-diphenylimidazolidine-2-thione using pentafluorophenyl active esters.

The influence of an alkenyl terminal group on the mesomorphic behavior and electro-optic properties of fluorinated terphenyl liquid crystals (2010)
Journal Article
Hird, M., & Lewis, R. (2010). The influence of an alkenyl terminal group on the mesomorphic behavior and electro-optic properties of fluorinated terphenyl liquid crystals. Journal of Materials Chemistry, 20(2), 299 - 307. https://doi.org/10.1039/b914260f

Novel liquid crystal terphenyls with two, three and four lateral fluoro substituents and an alkene unit at the end of a terminal chain are presented in terms of synthesis, mesomorphic behaviour and electro-optic properties. The difluoro analogues wer... Read More about The influence of an alkenyl terminal group on the mesomorphic behavior and electro-optic properties of fluorinated terphenyl liquid crystals.

The influence of an alkenyl terminal group on the mesomorphic behaviour and electro-optic properties of fluorinated terphenyl liquid crystals (2009)
Journal Article
Gasowska, J. S., Cowling, S. J., Cockett, M. C. R., Hird, M., Lewis, R. A., Raynes, E. P., & Goodby, J. W. (2010). The influence of an alkenyl terminal group on the mesomorphic behaviour and electro-optic properties of fluorinated terphenyl liquid crystals. Journal of Materials Chemistry, 20(2), 299-307. https://doi.org/10.1039/b914260f

Novel liquid crystal terphenyls with two, three and four lateral fluoro substituents and an alkene unit at the end of a terminal chain are presented in terms of synthesis, mesomorphic behaviour and electro-optic properties. The difluoro analogues wer... Read More about The influence of an alkenyl terminal group on the mesomorphic behaviour and electro-optic properties of fluorinated terphenyl liquid crystals.

Molecular complexity and the control of self-organising processes (2009)
Journal Article
Goodby, J. W., Saez, I. M., Cowling, S. J., Gasowska, J. S., MacDonald, R. A., Sia, S., …Vaschenko, V. (2009). Molecular complexity and the control of self-organising processes. Liquid crystals, 36(6-7), 567-605. https://doi.org/10.1080/02678290903146060

In this article we investigate the complexity of the molecular architectures of liquid crystals based on rod-like mesogens. Starting from simple monomeric systems founded on fluoroterphenyls, we first examine the effects of aromatic core structure on... Read More about Molecular complexity and the control of self-organising processes.