Thermal optical non-linearity of nematic mesophase enhanced by gold nanoparticles – an experimental and numerical investigation

Kurochkin, O.; Murugesan, Y. K.; Bennett, T. P.; D'Alessandro, G.; Reznikov, Y.; Tang, B. J.; Mehl, G. H.; Kaczmarek, M.

doi:10.1039/c6cp00116e

Metallocalixarene catalysts: α-olefin polymerization and ROP of cyclic esters (2016)
Journal Article
Redshaw, C. (2016). Metallocalixarene catalysts: α-olefin polymerization and ROP of cyclic esters. Dalton Transactions : an international journal of inorganic chemistry, 45(22), 9018-9030. https://doi.org/10.1039/c6dt01529h

This perspective review discusses metallocalix[n]arene complexes that have been employed in either α-olefin polymerization or in the ring opening polymerization (ROP) of cyclic esters over the last 5 years. Synthesis, molecular structure and catalyti... Read More about Metallocalixarene catalysts: α-olefin polymerization and ROP of cyclic esters.

Evaporation of Sunscreen Films: How the UV Protection Properties Change (2016)
Journal Article
Binks, B. P., Brown, J., Fletcher, P. D., Johnson, A. J., Marinopoulos, I., Crowther, J. M., & Thompson, M. A. (2016). Evaporation of Sunscreen Films: How the UV Protection Properties Change. ACS Applied Materials & Interfaces, 8(21), 13270-13281. https://doi.org/10.1021/acsami.6b02696

© 2016 American Chemical Society. We have investigated the evaporation of thin sunscreen films and how the light absorption and the derived sun protection factor (SPF) change. For films consisting of solutions of common UV filters in propylene glycol... Read More about Evaporation of Sunscreen Films: How the UV Protection Properties Change.

Synthesis and structures of O-anthrylmethyl-substituted hexahomotrioxacalix[3]arenes (2016)
Journal Article
Jiang, X.-K., Ikejiri, Y., Ni, X.-L., Zeng, X., Redshaw, C., & Yamato, T. (2016). Synthesis and structures of O-anthrylmethyl-substituted hexahomotrioxacalix[3]arenes. Journal of molecular structure, 1120, 274-280. https://doi.org/10.1016/j.molstruc.2016.05.020

O-Alkylation of 7,15,23-tri-tert-butyl-25,26,27-trihydroxy-2,3,10,11,18,19-hexahomo-3,11,19-trioxacalix[3]arene (1H₃) with 9-chloromethylanthracene 5 was carried out under different reaction conditions. Variation of the number of anthrylmethyl group... Read More about Synthesis and structures of O-anthrylmethyl-substituted hexahomotrioxacalix[3]arenes.

A rare and exclusive endoperoxide photoproduct derived from thiacalix[4]arene crown-shaped derivative bearing 9,10-substituted anthracene moiety (2016)
Journal Article
Zhao, J. L., Wu, C., Tomiyasu, H., Zeng, X., Elsegood, M. R., Redshaw, C., & Yamato, T. (2016). A rare and exclusive endoperoxide photoproduct derived from thiacalix[4]arene crown-shaped derivative bearing 9,10-substituted anthracene moiety. Chemistry - An Asian Journal, 11(10), 1606-1612. https://doi.org/10.1002/asia.201600202

A rare and exclusive endoperoxide photoproduct was quantitatively obtained from a thiacalix[4]arene crown-shaped derivative upon irradiation at λ=365 nm; the structure was unambiguously confirmed by 1H/13C NMR spectroscopy and X-ray crystallography.... Read More about A rare and exclusive endoperoxide photoproduct derived from thiacalix[4]arene crown-shaped derivative bearing 9,10-substituted anthracene moiety.

Microwave-assisted hydrothermal carbonization of rapeseed husk: A strategy for improving its solid fuel properties (2016)
Journal Article
Elaigwu, S. E., & Greenway, G. M. (2016). Microwave-assisted hydrothermal carbonization of rapeseed husk: A strategy for improving its solid fuel properties. Fuel Processing Technology, 149, 305-312. https://doi.org/10.1016/j.fuproc.2016.04.030

Hydrothermal carbonization of a waste biomass material is a green and promising technique for improving its solid fuel properties, which does not require pretreatment procedure such as drying of the biomass. In this study, hydrothermal carbonization... Read More about Microwave-assisted hydrothermal carbonization of rapeseed husk: A strategy for improving its solid fuel properties.

Sample introduction interface for on-chip nucleic acid-based analysis of Helicobacter pylori from stool samples (2016)
Journal Article
Esfahani, M. M. N., Shaw, K. J., Esfahani, M. M., Kemp, C., Tarn, M. D., Melling, L., Kemp, C., Pamme, N., Melling, L., & Mosley, O. (2016). Sample introduction interface for on-chip nucleic acid-based analysis of Helicobacter pylori from stool samples. Lab on a chip, 16(11), 2108-2115. https://doi.org/10.1039/c6lc00228e

Despite recent advances in microfluidic-based integrated diagnostic systems, the sample introduction interface, especially with regards to large volume samples, has often been neglected. We present a sample introduction interface that allows direct o... Read More about Sample introduction interface for on-chip nucleic acid-based analysis of Helicobacter pylori from stool samples.

Fabrication of living soft matter by symbiotic growth of unicellular microorganisms (2016)
Journal Article
Das, A. A. K., Bovill, J., Ayesh, M., Stoyanov, S. D., & Paunov, V. N. (2016). Fabrication of living soft matter by symbiotic growth of unicellular microorganisms. Journal of Materials Chemistry B, 4(21), 3685-3694. https://doi.org/10.1039/c5tb02489g

We report the fabrication of living soft matter made as a result of the symbiotic relationship of two unicellular microorganisms. The material is composed of bacterial cellulose produced in situ by acetobacter (Acetobacter aceti NCIMB 8132) in the pr... Read More about Fabrication of living soft matter by symbiotic growth of unicellular microorganisms.

Added alkane allows thermal thinning of supramolecular columns by forming superlattice - an X-ray and neutron study (2016)
Journal Article
Yen, M. H., Chaiprapa, J., Zeng, X., Liu, Y., Cseh, L., Mehl, G. H., & Ungar, G. (2016). Added alkane allows thermal thinning of supramolecular columns by forming superlattice - an X-ray and neutron study. Journal of the American Chemical Society, 138(18), 5757-5760. https://doi.org/10.1021/jacs.6b01172

We report a columnar superlattice formed by blends of dendron-like Li 3,4,5-tris(n-alkoxy)benzoates with n-alkanes. Without the alkane, the wedge-shaped molecules form liquid crystal columns with 3 dendrons in a supramolecular disk. The same structur... Read More about Added alkane allows thermal thinning of supramolecular columns by forming superlattice - an X-ray and neutron study.

Magnetic particle plug-based assays for biomarker analysis (2016)
Journal Article
Phurimsak, C., Tarn, M. D., & Pamme, N. (2016). Magnetic particle plug-based assays for biomarker analysis. Micromachines, 7(5), 77. https://doi.org/10.3390/mi7050077

Conventional immunoassays offer selective and quantitative detection of a number of biomarkers, but are laborious and time-consuming. Magnetic particle-based assays allow easy and rapid selection of analytes, but still suffer from the requirement of... Read More about Magnetic particle plug-based assays for biomarker analysis.

Three-coordinate iron(II) expanded ring N-heterocyclic carbene complexes (2016)
Journal Article
Dunsford, J. J., Evans, D. J., Pugh, T., Shah, S. N., Chilton, N. F., & Ingleson, M. J. (2016). Three-coordinate iron(II) expanded ring N-heterocyclic carbene complexes. Organometallics, 35(8), 1098-1106. https://doi.org/10.1021/acs.organomet.6b00121

A sterically demanding seven-membered expanded ring N-heterocyclic carbene (NHC) ligand allows access to rare examples of three-coordinate iron(II)-NHC complexes incorporating only halide coligands of the general formula [Fe(NHC)X 2 ] (NHC = 7-DiPP;... Read More about Three-coordinate iron(II) expanded ring N-heterocyclic carbene complexes.

Second harmonic light scattering induced by defects in the twist-bend nematic phase of liquid crystal dimers (2016)
Journal Article
Pardaev, S. A., Shamid, S. M., Tamba, M. G., Welch, C., Mehl, G. H., Gleeson, J. T., Allender, D. W., Selinger, J. V., Ellman, B., Jakli, A., & Sprunt, S. (2016). Second harmonic light scattering induced by defects in the twist-bend nematic phase of liquid crystal dimers. Soft matter, 12(19), 4472-4482. https://doi.org/10.1039/c6sm00585c

The nematic twist-bend (NTB) phase, exhibited by certain thermotropic liquid crystalline (LC) dimers, represents a new orientationally ordered mesophase -- the first distinct nematic variant discovered in many years. The NTB phase is distinguished by... Read More about Second harmonic light scattering induced by defects in the twist-bend nematic phase of liquid crystal dimers.

Development of radiodetection systems towards miniaturised quality control of PET and SPECT radiopharmaceuticals (2016)
Journal Article
Taggart, M. P., Tarn, M. D., Esfahani, M. M. N., Schofield, D. M., Brown, N. J., Archibald, S. J., Deakin, T., Pamme, N., & Thompson, L. F. (2016). Development of radiodetection systems towards miniaturised quality control of PET and SPECT radiopharmaceuticals. Lab on a chip, 16(9), 1605-1616. https://doi.org/10.1039/c6lc00099a

The ability to detect radiation in microfluidic devices is important for the on-chip analysis of radiopharmaceuticals, but previously reported systems have largely suffered from various limitations including cost, complexity of fabrication, and insuf... Read More about Development of radiodetection systems towards miniaturised quality control of PET and SPECT radiopharmaceuticals.

Molecular catalysis for precise olefin polymerization and ROP 2015 (2016)
Journal Article
Redshaw, C. (2016). Molecular catalysis for precise olefin polymerization and ROP 2015. Catalysts, 6(4), 53. https://doi.org/10.3390/catal6040053

The growth of emerging markets, particularly in the Far East, has fuelled the demand for new plastic materials. This in turn has stimulated both academic and industrial interest in the design of catalyst systems for which new Intellectual Property (I... Read More about Molecular catalysis for precise olefin polymerization and ROP 2015.

Multiplex sorting of foodborne pathogens by on-chip free-flow magnetophoresis (2016)
Journal Article
Ngamsom, B., Esfahani, M. M., Phurimsak, C., Lopez-Martinez, M. J., Raymond, J.-C., Broyer, P., Patel, P., & Pamme, N. (2016). Multiplex sorting of foodborne pathogens by on-chip free-flow magnetophoresis. Analytica Chimica Acta, 918, 69-76. https://doi.org/10.1016/j.aca.2016.03.014

This study reports multiplex sorting of Salmonella typhimurium and Escherichia coli 0157, from broth cultures and from pathogen-spiked skinned chicken breast enrichment broths by employing microfluidic free-flow magnetophoresis. Magnetic beads of dif... Read More about Multiplex sorting of foodborne pathogens by on-chip free-flow magnetophoresis.

Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes (2016)
Journal Article
Miller-Shakesby, D. M., Burke, B. P., Nigam, S., Stasiuk, G. J., Prior, T. J., Archibald, S. J., & Redshaw, C. (2016). Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes. CrystEngComm RSC, 18(26), 4977-4987. https://doi.org/10.1039/c6ce00209a

A number of p-sulfonatocalix[4]arene complexes of the lanthanides (Tb, Gd, and Eu) have been prepared, some in the presence of tetraazamacrocycle 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid (DO3A), and fully characterised. Crystal structure d... Read More about Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes.

Similarities and differences between molecular order in the nematic and twist-bend nematic phases of a symmetric liquid crystal dimer (2016)
Journal Article
Emsley, J. W., Lelli, M., Joy, H., Tamba, M. G., & Mehl, G. H. (2016). Similarities and differences between molecular order in the nematic and twist-bend nematic phases of a symmetric liquid crystal dimer. Physical chemistry chemical physics : PCCP, 18(14), 9419-9430. https://doi.org/10.1039/c5cp07304a

The order parameter, Szz, where z is the para axis of the difluoroterphenyl groups in DTC5C9, have been obtained from chemical shift anisotropies measured by ¹³C – {¹1H} NMR experiments at temperatures throughout the nematic, NU, and twist-bend nemat... Read More about Similarities and differences between molecular order in the nematic and twist-bend nematic phases of a symmetric liquid crystal dimer.

Positron detection in silica monoliths for miniaturised quality control of PET radiotracers (2016)
Journal Article
Tarn, M. D., Maneuski, D., Alexander, R., Brown, N. J., O’Shea, V., Pimlott, S. L., Pamme, N., & Archibald, S. J. (2016). Positron detection in silica monoliths for miniaturised quality control of PET radiotracers. Chemical communications : Chem comm / the Royal Society of Chemistry, 52(45), 7221-7224. https://doi.org/10.1039/c6cc00660d

We demonstrate the use of the miniaturised Medipix positron sensor for detection of the clinical PET radiotracer, [⁶⁸Ga]gallium-citrate, on a silica-based monolith, towards microfluidic quality control. The system achieved a far superior signal-to-no... Read More about Positron detection in silica monoliths for miniaturised quality control of PET radiotracers.

Crystal structure of 4-carbamoylpyridinium chloride (2016)
Journal Article
Fellows, S. M., & Prior, T. J. (2016). Crystal structure of 4-carbamoylpyridinium chloride. Acta Crystallographica Section E: Crystallographic Communications, 72(4), 436-439. https://doi.org/10.1107/S2056989016003340

The hydrochloride salt of isonicotinamide, C6H7N2O+·Cl-, has been synthesized from a dilute solution of hydrochloric acid in acetonitrile. The compound displays monoclinic symmetry (space group C2/c) at 150 K, similar to the related hydrochloride... Read More about Crystal structure of 4-carbamoylpyridinium chloride.

Whipped oil stabilised by surfactant crystals (2016)
Journal Article
Binks, B. P., Garvey, E. J., & Vieira, J. (2016). Whipped oil stabilised by surfactant crystals. Chemical science, 7(4), 2621-2632. https://doi.org/10.1039/c6sc00046k

We describe a protocol for preparing very stable air-in-oil foams starting with a one-phase oil solution of a fatty acid (myristic acid) in high oleic sunflower oil at high temperature. Upon cooling below the solubility limit, a two-phase mixture con... Read More about Whipped oil stabilised by surfactant crystals.

Thermal optical non-linearity of nematic mesophase enhanced by gold nanoparticles – an experimental and numerical investigation (2016)
Journal Article
Kurochkin, O., Murugesan, Y. K., Bennett, T. P., D'Alessandro, G., Reznikov, Y., Tang, B. J., Mehl, G. H., & Kaczmarek, M. (2016). Thermal optical non-linearity of nematic mesophase enhanced by gold nanoparticles – an experimental and numerical investigation. Physical chemistry chemical physics : PCCP, 18(16), 11503-11512. https://doi.org/10.1039/c6cp00116e

In this work the mechanisms leading to the enhancement of optical nonlinearity of nematic liquid crystalline material through localized heating by doping the liquid crystals (LCs) with gold nanoparticles (GNPs) are investigated. We present some exper... Read More about Thermal optical non-linearity of nematic mesophase enhanced by gold nanoparticles – an experimental and numerical investigation.

All Outputs (1143)