All Outputs (91)

Click-modified hexahomotrioxacalix[3]arenes as fluorometric and colorimetric dual-modal chemosensors for 2,4,6-trinitrophenol (2016)
Journal Article
Wu, C., Zhao, J. L., Jiang, X. K., Ni, X. L., Zeng, X., Redshaw, C., & Yamato, T. (2016). Click-modified hexahomotrioxacalix[3]arenes as fluorometric and colorimetric dual-modal chemosensors for 2,4,6-trinitrophenol. Analytica Chimica Acta, 936, 216-221. https://doi.org/10.1016/j.aca.2016.06.045

A new type of chemosensor-based approach to the detection of 2,4,6-trinitrophenol (TNP) is described in this paper. Two hexahomotrioxacalix[3]arene-based chemosensors 1 and 2 were synthesized through click chemistry, which exhibited high binding affi... Read More about Click-modified hexahomotrioxacalix[3]arenes as fluorometric and colorimetric dual-modal chemosensors for 2,4,6-trinitrophenol.

Ocean acidification affects marine chemical communication by changing structure and function of peptide signalling molecules (2016)
Journal Article
Roggatz, C. C., Lorch, M., Hardege, J. D., & Benoit, D. M. (2016). Ocean acidification affects marine chemical communication by changing structure and function of peptide signalling molecules. Global change biology, 22(12), 3914-3926. https://doi.org/10.1111/gcb.13354

Ocean acidification is a global challenge that faces marine organisms in the near future with a predicted rapid drop in pH of up to 0.4 units by the end of this century. Effects of the change in ocean carbon chemistry and pH on the development, growt... Read More about Ocean acidification affects marine chemical communication by changing structure and function of peptide signalling molecules.

Synthesis and evaluation of a novel fluorescent sensor based on hexahomotrioxacalix[3]arene for Zn²+ and Cd²+ (2016)
Journal Article
Jiang, X.-K., Ikejiri, Y., Jin, C.-C., Wu, C., Zhao, J.-L., Ni, X.-L., …Yamato, T. (2016). Synthesis and evaluation of a novel fluorescent sensor based on hexahomotrioxacalix[3]arene for Zn²+ and Cd²+. Tetrahedron, 72(32), 4854-4858. https://doi.org/10.1016/j.tet.2016.06.055

A novel type of selective and sensitive fluorescent sensor having triazole rings as the binding sites on the lower rim of a hexahomotrioxacalix[3]arene scaffold in a cone conformation is reported. This sensor has desirable properties for practical ap... Read More about Synthesis and evaluation of a novel fluorescent sensor based on hexahomotrioxacalix[3]arene for Zn²+ and Cd²+.

Mesophase structure and behaviour in bulk and restricted geometry of a dimeric compound exhibiting a nematic-nematic transition (2016)
Journal Article
Sebastián, N., Tamba, M. G., Stannarius, R., de la Fuente, M. R., Salamonczyk, M., Cukrov, G., …Eremin, A. (2016). Mesophase structure and behaviour in bulk and restricted geometry of a dimeric compound exhibiting a nematic-nematic transition. Physical chemistry chemical physics : PCCP, 18(28), 19299-19308. https://doi.org/10.1039/c6cp03899a

We present structural studies of a dimeric compound composed of a central heptyl spacer linking two mesogens consisiting of terphenyl units at which two adjacent fluoro groups are attached to each central ring. The terminal rings are linked to pentyl... Read More about Mesophase structure and behaviour in bulk and restricted geometry of a dimeric compound exhibiting a nematic-nematic transition.

Fluctuation modes of a twist-bend nematic liquid crystal (2016)
Journal Article
Parsouzi, Z., Shamid, S. M., Borshch, V., Challa, P. K., Baldwin, A. R., Tamba, M. G., …Sprunt, S. (2016). Fluctuation modes of a twist-bend nematic liquid crystal. Physical Review X, 6(2), 021041-1-021041-16. https://doi.org/10.1103/PhysRevX.6.021041

We report a dynamic light-scattering study of the fluctuation modes in a thermotropic liquid crystalline mixture of monomer and dimer compounds that exhibits the twist-bend nematic (NTB) phase. The results reveal a spectrum of overdamped fluctuations... Read More about Fluctuation modes of a twist-bend nematic liquid crystal.

Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes (2016)
Journal Article
Yang, W., Zhao, K.-Q., Prior, T. J., Hughes, D. L., Arbaoui, A., Elsegood, M. R. J., & Redshaw, C. (2016). Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes. Dalton Transactions : an international journal of inorganic chemistry, 45(30), 11990-12005. https://doi.org/10.1039/c6dt01997h

The molecular structures of a number of solvates of the [2+2] Schiff-base macrocycles {[2-(OH)-5-(R)-C₆H₂-1,3-(CH)₂][O(2-C₆H₄N)₂]}₂ (R = Me L¹H₂, tBu L²H₂, Cl L³H₂), formed by reacting 2,6-dicarboxy-4-R-phenol with 2,2/-oxydianiline (2-aminophenyleth... Read More about Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes.

Synthesis and characterization of biodegradable lignin nanoparticles with tunable surface properties (2016)
Journal Article
Richter, A. P., Bharti, B., Armstrong, H. B., Brown, J. S., Plemmons, D., Paunov, V. N., …Velev, O. D. (2016). Synthesis and characterization of biodegradable lignin nanoparticles with tunable surface properties. Langmuir : the ACS journal of surfaces and colloids, 32(25), 6468-6477. https://doi.org/10.1021/acs.langmuir.6b01088

Lignin nanoparticles can serve as biodegradable carriers of biocidal actives with minimal environmental footprint. Here we describe the colloidal synthesis and interfacial design of nanoparticles with tunable surface properties using two different li... Read More about Synthesis and characterization of biodegradable lignin nanoparticles with tunable surface properties.

Extended π-conjugated pyrene derivatives: structural, photophysical and electrochemical properties (2016)
Journal Article
Feng, X., Seto, N., Wang, C.-Z., Matsumoto, T., Tanaka, J., Wei, X.-F., …Yamato, T. (2016). Extended π-conjugated pyrene derivatives: structural, photophysical and electrochemical properties. ChemistrySelect, 1(9), 1926-1932. https://doi.org/10.1002/slct.201600598

This article presents a set of extended π-conjugated pyrene derivatives, namely 1,3-di(arylethynyl)-7-tert-butylpyrenes, which were synthesized by a Pd-catalyzed Sonogashira coupling reaction of 1,3-dibromo-7-tert-butylpyrenes with the corresponding... Read More about Extended π-conjugated pyrene derivatives: structural, photophysical and electrochemical properties.

Cellular internalisation, bioimaging and dark and photodynamic cytotoxicity of silica nanoparticles doped by {Mo₆I₈}⁴⁺ metal clusters (2016)
Journal Article
Solovieva, A. O., Vorotnikov, Y. A., Trifonova, K. E., Efremova, O. A., Krasilnikova, A. A., Brylev, K. A., …Shestopalov, M. A. (in press). Cellular internalisation, bioimaging and dark and photodynamic cytotoxicity of silica nanoparticles doped by {Mo₆I₈}⁴⁺ metal clusters. Journal of Materials Chemistry B, 4(28), 4839-4846. https://doi.org/10.1039/c6tb00723f

Silica nanoparticles (SNPs) doped by hexanuclear molybdenum cluster complexes [{Mo₆X₈}L₆]n (X = Cl, Br, or I; L = various inorganic or organic ligands) have been recently suggested as materials with a high potential for biomedical applications due to... Read More about Cellular internalisation, bioimaging and dark and photodynamic cytotoxicity of silica nanoparticles doped by {Mo₆I₈}⁴⁺ metal clusters.

Fluorescent turn-on sensors based on pyrene-containing Schiff base derivatives for Cu2+ recognition: spectroscopic and DFT computational studies (2016)
Journal Article
Kowser, Z., Jin, C.-C., Jiang, X., Rahman, S., Georghiou, P. E., Ni, X.-L., …Yamato, T. (2016). Fluorescent turn-on sensors based on pyrene-containing Schiff base derivatives for Cu2+ recognition: spectroscopic and DFT computational studies. Tetrahedron, 72(30), 4575-4581. https://doi.org/10.1016/j.tet.2016.06.017

A new fluorescent chemosensor L1, pyrene containing long chain Schiff base derivative in 1-position has been synthesized. Similarly, the receptors L2 and L3 are also designed in order to compare the binding ability for detection of Cu2+. The receptor... Read More about Fluorescent turn-on sensors based on pyrene-containing Schiff base derivatives for Cu2+ recognition: spectroscopic and DFT computational studies.

A ratiometric Al³⁺ ion probe based on the coumarin-quinoline FRET system (2016)
Journal Article
Zhu, Q., Li, L., Mu, L., Zeng, X., Redshaw, C., & Wei, G. (2016). A ratiometric Al³⁺ ion probe based on the coumarin-quinoline FRET system. Journal of Photochemistry and Photobiology A: Chemistry, 328, 217-224. https://doi.org/10.1016/j.jphotochem.2016.06.006

A coumarin-quinoline based fluorescence resonance energy transfer (FRET) system (TCQ) has been synthesized and employed as a ratiometric fluorescence probe. The selective fluorescent response of the probe TCQ toward Al³⁺ was devised by employing a qu... Read More about A ratiometric Al³⁺ ion probe based on the coumarin-quinoline FRET system.

Thiacalix[4]arene derivatives bearing imidazole units : a ditopic hard/soft receptor for Na⁺ and K⁺/Ag⁺ with an allosteric effect and a reusable extractant for dichromate anions (2016)
Journal Article
Zhao, J., Wu, C., Zeng, X., Rahman, S., Georghiou, P. E., Elsegood, M. R., …Yamato, T. (2016). Thiacalix[4]arene derivatives bearing imidazole units : a ditopic hard/soft receptor for Na⁺ and K⁺/Ag⁺ with an allosteric effect and a reusable extractant for dichromate anions. ChemistrySelect, 1(8), 1541-1547. https://doi.org/10.1002/slct.201600245

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Two novel receptors 5,11,17,23-tetra-tert-butyl-25,27-bis[(ethoxycarbonyl)methoxy]-26,28-bis-[1-methyl-(imidazole)meth-oxy] -2,8,14,20-tetra-thiacalix[4]arene (L1) and 5,11,17,23-tetra-tert-butyl-25... Read More about Thiacalix[4]arene derivatives bearing imidazole units : a ditopic hard/soft receptor for Na⁺ and K⁺/Ag⁺ with an allosteric effect and a reusable extractant for dichromate anions.

Interaction of a symmetrical α,α',δ,δ'-Tetramethyl-cucurbit[6]uril with Ln³⁺ : potential applications for isolation of lanthanides (2016)
Journal Article
Yang, B., Gao, Z.-Z., Lu, J.-H., Zhu, Q.-J., Xue, S.-F., Tao, Z., …Xiao, X. (2016). Interaction of a symmetrical α,α',δ,δ'-Tetramethyl-cucurbit[6]uril with Ln³⁺ : potential applications for isolation of lanthanides. CrystEngComm RSC, 18(26), 5028-5035. https://doi.org/10.1039/c6ce00134c

The interaction of a symmetrical α,α′,δ,δ′-tetramethyl-cucurbit[6]uril (TMeQ[6]) with a series of lanthanide cations (Ln³⁺) was investigated in neutral water and in acidic solution. Analysis by single crystal X-ray diffraction revealed that different... Read More about Interaction of a symmetrical α,α',δ,δ'-Tetramethyl-cucurbit[6]uril with Ln³⁺ : potential applications for isolation of lanthanides.

Anomalous increase in nematic-isotropic transition temperature in dimer molecules induced by magnetic field (2016)
Journal Article
Salili, S. M., Tamba, M. G., Sprunt, S. N., Welch, C., Mehl, G. H., Jákli, A., & Gleeson, J. T. (2016). Anomalous increase in nematic-isotropic transition temperature in dimer molecules induced by magnetic field. Physical review letters, 116(21-27 May), Article 217801. https://doi.org/10.1103/PhysRevLett.116.217801

We have determined the nematic-isotropic transition temperature as a function of applied magnetic field in three different thermotropic liquid crystalline dimers. These molecules are comprised of two rigid calamitic moieties joined end to end by flex... Read More about Anomalous increase in nematic-isotropic transition temperature in dimer molecules induced by magnetic field.

Demethylation of 5,n-di-tert-butyl-8,n-dimethoxy[2.n] metacyclophane-1-ynes with BBr3 to afford novel [n] benzofuranophanes (2016)
Journal Article
Akther, T., Islam, M. M., Matsumoto, T., Tanaka, J., Feng, X., Redshaw, C., & Yamato, T. (2016). Demethylation of 5,n-di-tert-butyl-8,n-dimethoxy[2.n] metacyclophane-1-ynes with BBr3 to afford novel [n] benzofuranophanes. Journal of molecular structure, 1122(15 October), 247-255. https://doi.org/10.1016/j.molstruc.2016.05.054

© 2016 Elsevier B.V. All rights reserved. Novel [n]benzofuranophanes (n = 8 & 10) 2a-b have been prepared by successive intramolecular cyclization from 5,19-di-tert-butyl-8,22-dimethoxy[n]metacyclophane-1-yne (syn-1a-b) by treatment with BBr 3 in C... Read More about Demethylation of 5,n-di-tert-butyl-8,n-dimethoxy[2.n] metacyclophane-1-ynes with BBr3 to afford novel [n] benzofuranophanes.

Synthesis, structural properties, electrophilic substitution reactions and DFT computational studies of calix[3]benzofurans (2016)
Journal Article
Islam, M. M., Akther, T., Ikejiri, Y., Matsumoto, T., Tanaka, J., Rahman, S., …Yamato, T. (in press). Synthesis, structural properties, electrophilic substitution reactions and DFT computational studies of calix[3]benzofurans. RSC advances, 6(56), 50808-50817. https://doi.org/10.1039/c6ra06219a

Calix[3]benzofurans have been synthesized by a modified TosMIC coupling reaction, followed by acid treatment and an intramolecular cyclization reaction with TMSI (trimethylsilyl iodide); X-ray analysis established the structures of two samples, both... Read More about Synthesis, structural properties, electrophilic substitution reactions and DFT computational studies of calix[3]benzofurans.

Model Study of Enhanced Oil Recovery by Flooding with Aqueous Solutions of Different Surfactants: How the Surface Chemical Properties of the Surfactants Relate to the Amount of Oil Recovered (2016)
Journal Article
Fletcher, P. D. I., Clarke, A., Savory, L. D., & Howe, A. M. (2016). Model Study of Enhanced Oil Recovery by Flooding with Aqueous Solutions of Different Surfactants: How the Surface Chemical Properties of the Surfactants Relate to the Amount of Oil Recovered. Energy and Fuels, 30(6), 4767-4780. https://doi.org/10.1021/acs.energyfuels.6b00797

© 2016 American Chemical Society. The main aim of this work is to establish how the fraction of oil recovered from an oil-filled calcite powder packed column by injection of aqueous surfactant solution depends on the phase behavior and surface chemic... Read More about Model Study of Enhanced Oil Recovery by Flooding with Aqueous Solutions of Different Surfactants: How the Surface Chemical Properties of the Surfactants Relate to the Amount of Oil Recovered.

Virus-Templated Near-Amorphous Iron Oxide Nanotubes (2016)
Journal Article
Shah, S. N., Khan, A. A., Espinosa, A., Garcia, M. A., Nuansing, W., Ungureanu, M., …Bittner, A. M. (2016). Virus-Templated Near-Amorphous Iron Oxide Nanotubes. Langmuir : the ACS journal of surfaces and colloids, 32(23), 5899-5908. https://doi.org/10.1021/acs.langmuir.5b04491

© 2016 American Chemical Society. We present a simple synthesis of iron oxide nanotubes, grown under very mild conditions from a solution containing Fe(II) and Fe(III), on rod-shaped tobacco mosaic virus templates. Their well-defined shape and surfac... Read More about Virus-Templated Near-Amorphous Iron Oxide Nanotubes.

An organometallic compound which exhibits a DNA topology-dependent one-stranded intercalation mode (2016)
Journal Article
Ma, Z., Palermo, G., Adhireksan, Z., Murray, B. S., von Erlach, T., Dyson, P. J., …Davey, C. A. (2016). An organometallic compound which exhibits a DNA topology-dependent one-stranded intercalation mode. Angewandte Chemie, 128(26), 7567-7570. https://doi.org/10.1002/ange.201602145

Understanding how small molecules interact with DNA is essential since it underlies a multitude of pathological conditions and therapeutic interventions. Many different intercalator compounds have been studied because of their activity as mutagens or... Read More about An organometallic compound which exhibits a DNA topology-dependent one-stranded intercalation mode.

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.