All Outputs (173)

Production of deuterium labelled (−)-epicatechin in a microreactor (2010)
Journal Article
Betts, J. W., Kitney, S. P., Fu, Y., Peng, W.-M., 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.

Carbazole nematic liquid crystals (2010)
Journal Article
Bao, W., Billa, M. R., Kassireddy, K., Haro, M., Kelly, M. J., Kitney, S. P., Al Kalifah, M. S., Wei, P., Dong, D., O'Neill, M., & Kelly, S. M. (2010). Carbazole nematic liquid crystals. Liquid crystals, 37(10), 1289-1303. https://doi.org/10.1080/02678292.2010.504862

A number of calamitic 2,7-diary-N-alkyl-substituted carbazoles with an enantiotropic nematic phase have been prepared. Branching of the aliphatic chain attached to the nitrogen atom in the carbazole ring leads to significantly lower liquid crystal tr... Read More about Carbazole nematic liquid crystals.

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., Beljonne, D., & 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.

Modeling of intraband absorption for quantum dot-in-well structures with low computational cost (2010)
Journal Article
Hong, B. H., Rybchenko, S. I., Itskevich, I. E., Haywood, S. K., Tan, C. H., Vines, P., & Hugues, M. (2010). Modeling of intraband absorption for quantum dot-in-well structures with low computational cost. Journal of Physics: Conference Series, 242(1), Article 012013. https://doi.org/10.1088/1742-6596/242/1/012013

Much effort has been committed to development of quantum-dot-based infrared photodetectors owing to their potential for normal-incidence absorption and low dark current.Quantum-dot-in-well structures offer additional advantages, such as better wavele... Read More about Modeling of intraband absorption for quantum dot-in-well structures with low computational cost.

Permeability of silica monoliths containing micro- and nano-pores (2010)
Journal Article
Fletcher, P. D. I., Haswell, S. J., He, P., Kelly, S. M., & Mansfield, A. (2011). Permeability of silica monoliths containing micro- and nano-pores. Journal of Porous Materials, 18(4), 501-508. https://doi.org/10.1007/s10934-010-9403-3

For applications as catalyst supports in flow reactors, porous silica monoliths require a combination of connected pores of micron-scale to enable fluid flow plus nm-scale pores to enable high catalyst area and activity. We have synthesised a range p... Read More about Permeability of silica monoliths containing micro- and nano-pores.

One-step photoembossing for submicrometer surface relief structures in liquid crystal semiconductors (2010)
Journal Article
Liedtke, A., Lei, C., O’Neill, M., Dyer, P. E., Kitney, S. P., & Kelly, S. M. (2010). One-step photoembossing for submicrometer surface relief structures in liquid crystal semiconductors. ACS Nano, 4(6), 3248-3253. https://doi.org/10.1021/nn100012g

We report a new single-step method to directly imprint nanometer-scale structures on photoreactive organic semiconductors. A surface relief grating is spontaneously formed when a light-emitting, liquid crystalline, and semiconducting thin film is irr... Read More about One-step photoembossing for submicrometer surface relief structures in liquid crystal semiconductors.

Rapid, multistep on-chip DNA hybridisation in continuous flow on magnetic particles (2010)
Journal Article
Vojtíšek, M., Iles, A., & Pamme, N. (2010). Rapid, multistep on-chip DNA hybridisation in continuous flow on magnetic particles. Biosensors & bioelectronics, 25(9), 2172-2176. https://doi.org/10.1016/j.bios.2010.01.034

DNA hybridisation is an important tool for bioanalytical research and clinical diagnostics; conventional methods, however, require long incubation times and numerous washing steps, rendering the procedure time consuming and labour intensive. In this... Read More about Rapid, multistep on-chip DNA hybridisation in continuous flow on magnetic particles.

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.

Report for Skills for Care - An evaluation of the impact of service user and carer involvement in the University of Hull social work degree courses (2010)
Report
Holden, S., Adamson, S., & Whitfield, C. (2010). Report for Skills for Care - An evaluation of the impact of service user and carer involvement in the University of Hull social work degree courses. York: Skills for Care

This report is commissioned by Skills for Care from the University of Hull Social Work Department. Its aim is to evaluate the outcomes of the involvement of service users and carers in the training of social work students. Although much importance is... Read More about Report for Skills for Care - An evaluation of the impact of service user and carer involvement in the University of Hull social work degree courses.

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 importance of particle type selection and temperature control for on-chip free-flow magnetophoresis (2009)
Journal Article
Tarn, M. D., Peyman, S. A., Robert, D., Iles, A., Wilhelm, C., & Pamme, N. (2009). The importance of particle type selection and temperature control for on-chip free-flow magnetophoresis. Journal of Magnetism and Magnetic Materials, 321(24), 4115-4122. https://doi.org/10.1016/j.jmmm.2009.08.016

Free-flow magnetophoresis is becoming a popular technique for the separation and manipulation of magnetic particles and materials in microsystems. A wide variety of magnetic particles are commercially available that differ greatly in size and in magn... Read More about The importance of particle type selection and temperature control for on-chip free-flow magnetophoresis.

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.

Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: Effect of PEG chain length, coordinated metal, and axial ligand (2009)
Journal Article
Mewis, R. E., Savoie, H., Archibald, S. J., & Boyle, R. W. (2009). Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: Effect of PEG chain length, coordinated metal, and axial ligand. Photodiagnosis and Photodynamic Therapy, 6(3-4), 200-206. https://doi.org/10.1016/j.pdpdt.2009.08.002

Treatment of 5,10,15,20-tetra(pentafluorophenyl) porphyrins with polyethylene glycol (PEG) halides and sodium sulfide is a mild and efficient route to water-soluble PEG substituted porphyrins. The method has been used to access a series of free-base... Read More about Synthesis and phototoxicity of polyethylene glycol (PEG) substituted metal-free and metallo-porphyrins: Effect of PEG chain length, coordinated metal, and axial ligand.

Strained arrays of colloidal nanoparticles: Conductance and magnetoresistance enhancement (2009)
Journal Article
Rybchenko, S. I., Dyab, A. K. F., Haywood, S. K., Itskevich, I. E., & Paunov, V. N. (2009). Strained arrays of colloidal nanoparticles: Conductance and magnetoresistance enhancement. Nanotechnology, 20(42), Article ARTN 425607. https://doi.org/10.1088/0957-4484/20/42/425607

Colloidal nanoparticles are very popular as building blocks of functional arrays for electronic and optical applications. However, there is a problem in achieving electrical conductivity in such nanoarrays due to their molecular shells. These shells,... Read More about Strained arrays of colloidal nanoparticles: Conductance and magnetoresistance enhancement.

Mobile magnetic particles as solid-supports for rapid surface-based bioanalysis in continuous flow (2009)
Journal Article
Peyman, S. A., Iles, A., & Pamme, N. (2009). Mobile magnetic particles as solid-supports for rapid surface-based bioanalysis in continuous flow. Lab on a chip, 9(21), 3110-3117. https://doi.org/10.1039/b904724g

An extremely versatile microfluidic device is demonstrated in which multi-step (bio) chemical procedures can be performed in continuous flow. The system operates by generating several co-laminar flow streams, which contain reagents for specific (bio)... Read More about Mobile magnetic particles as solid-supports for rapid surface-based bioanalysis in continuous flow.

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., Watson, P., Toyne, K. J., Hird, M., Lewis, R. A., Lee, S.-E., & 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.

Rod-shaped dopants for flexoelectric nematic mixtures (2009)
Journal Article
Aziz, N., Kelly, S. M., Duffy, W., & Goulding, M. (2009). Rod-shaped dopants for flexoelectric nematic mixtures. Liquid crystals, 36(5), 503-520. https://doi.org/10.1080/02678290903031643

We report the synthesis and liquid crystalline behaviour of two series of para-substituted terphenyls as dopants with a rigid rod-like shape, rather than a wedge-, pear- or banana-shape, for guest-host nematic mixtures with flexoelectric properties.... Read More about Rod-shaped dopants for flexoelectric nematic mixtures.

Diamagnetic repulsion—A versatile tool for label-free particle handling in microfluidic devices (2009)
Journal Article
Peyman, S. A., Kwan, E. Y., Margarson, O., Iles, A., & Pamme, N. (2009). Diamagnetic repulsion—A versatile tool for label-free particle handling in microfluidic devices. Journal of Chromatography A, 1216(52), 9055-9062. https://doi.org/10.1016/j.chroma.2009.06.039

We report the exploration of diamagnetic repulsion forces for the selective manipulation of microparticles inside microfluidic devices. Diamagnetic materials such as polymers are repelled from magnetic fields, an effect greatly enhanced by suspending... Read More about Diamagnetic repulsion—A versatile tool for label-free particle handling in microfluidic devices.