Chemistry (Scholarly Publications): Recent submissions
Now showing items 701-720 of 931
-
Colorimetric and fluorescent anion sensors: An overview of recent developments in the use of 1,8-naphthalimide-based chemosensors
(2010)This critical review focuses on the development of anion sensors, being either fluorescent and/or colorimetric, based on the use of the 1,8-naphthalimide structure; a highly versatile building unit that absorbs and emits ... -
Fluorescent sensors for ions based on organic structures
(2010)his report highlights some of the developments in 2009 of fluorescent, and in some cases, dual fluorescent and colorimetric, sensors, that are based on organic structures, and that were developed for the sensing/recognition ... -
Selective and tuneable recognition of anions using C(3v)-symmetrical tripodal urea-amide receptor platforms.
(2011)The synthesis and binding investigations of first generation C 3v-symmetrical hydrogen bonding urea-amide based tripodal receptors, 1-6, with various anions such as acetate, phosphate, sulfate and chloride in DMSO-d 6 are ... -
Synthesis of luminescent homo-dinuclear cationic lanthanide cyclen complexes bearing amide pendant arms through the use of copper catalysed (1,3-Huisgen, CuAAC) click chemistry
(2012)The design and synthesis of dinuclear-lanthanide complexes possessing triazole-based bridges, formed by using copper catalysed 1,3-cycloaddition reactions between heptadentate alkyne functionalised cyclen europium or terbium ... -
Photophysical and biological investigation of novel luminescent Ru(II)-polypyridyl-1,8-naphthalimide Troger's bases as cellular imaging agents
(2012)The synthesis and photophysical properties of 1 and 2, two Ru(ii)-polypyridyl based-1,8-naphthalimide Troger's bases, are described; these were found to stabilize double stranded DNA, undergo rapid cellular uptake, displaying ... -
The immobilisation of chiral organocatalysts on magnetic nanoparticles: the support particle cannot always be considered inert.
(2011)A systematic study concerning the immobilisation onto magnetic nanoparticles of three useful classes of chiral organocatalyst which rely on a confluence of weak, easily perturbed van der Waals and hydrogen bonding interactions ... -
Chiral nanoparticle assemblies: circular dichroism, plasmonic interactions, and exciton effects
(2011)The paper reviews recent progress on chiral nanocrystal assemblies with induced optical chirality and related circular dichroism. Many natural molecules and biomolecules are chiral and exhibit remarkably strong optical ... -
Graphene, carbon nanotube and ionic liquid mixtures: Towards new quasi-solid state electrolytes for dye sensitised solar cells
(2011)In this work carbon based nanomaterials in ionic liquids have been studied as potential electrolytes for dye sensitised solar cells (DSSCs). Graphene, single wall carbon nanotubes (SWCNTs) and a mixture of graphene and ... -
In situ studies of the adsorption kinetics of 4-nitrobenzenediazonium salt on gold
(2011)Self-assembled organic layers are an important tool for modifying surfaces in a range of applications in materials science. Covalent modification of metal surfaces with aryldiazonium cations has attracted much attention ... -
Oxygen evolution at oxidized iron electrodes: a tale of two slopes
(2012)The electro-catalytic activity with respect to water oxidation to form molecular oxygen of iron oxyhydroxide thin films on iron support surfaces in aqueous base is described. A mechanism involving iron surfaquo groups is ... -
Molecular switches as photocontrollable "smart" receptors
(2012)This critical review focuses on the development of photochromic compounds as sensors for cations, anions, and biologically important molecules. The review commences with a brief description of photochromism and the ... -
Photo-controlled Uptake and Release of Zinc Metal Ions by Spiropyran receptors anchored to Single-Walled Carbon Nanotubes
(2012)Light controllable release of antinflammatory zinc ions by a smart multifunctional material composed of spiropyrans and single walled carbon nanotubes (SWNTs) is demonstrated. The exploitation of a number of complementary ... -
Interaction studies between photochromic spiropyrans and transition metal cations: the curious case of copper.
(2012)A series of four spiropyrans bearing different substituents on the indolic nitrogen were synthesized and their capability of binding mono and bivalent transition metal cations in solution was assessed via UV-visible ... -
Controlled carboxylic acid introduction: a route to highly purified oxidized single walled carbon nanotubes
(2011)A chemical treatment for preparing high purity selectively oxidised SWNTs while preserving optical/ electronic properties of the material has been developed. Efficient removal of both metal and carbonaceous impurities ... -
Hydrous Nickel Oxide: Redox switching and the oxygen evolution reaction in aqueous alkaline solution
(2012)The redox switching reaction and the oxygen evolution reaction at multi-cycled nickel oxy-hydroxide films in aqueous alkaline solution are discussed. The hydrous oxide is considered as a porous assembly of interlinked ... -
Redox, pH sensing and electrolytic water splitting properties of electrochemically generated nickel hydroxide thin films in aqueous alkaline solution
(2012)The formation via repetitive potential cycling of a thin nickel oxy-hydroxide film on conductive Au, GC and Pt support surfaces is described. The redox and acid/base behavior and electro-catalytic activity with respect to ... -
Kinetic and mechanistic aspects of the oxygen evolution reaction at hydrous iron oxide films in base
(2013)The oxygen evolution reaction atmulti-cycled iron oxy-hydroxide films in aqueous alkaline solution is discussed. The factors affecting the growth and electrocatalytic properties of the latter are described. In particular, ... -
"Modelling of Atomic Imaging and Evaporation in the field Ion Microscope"
(2011)Imaging and evaporation of atoms in the field ion microscope (FIM) has been modelled by using finite difference methods to calculate the voltage distribution around a tip and hence the electric field strength experienced ... -
The motion of an ion in a synthetic molecular ion channel
(2013)A molecular dynamics investigation is conducted on the passive transport of Na+ ions through a synthetic channel in aqueous NaCl medium, the channel consisting of fourteen 15-crown-5 rings rigidly linked in a stacked ...
