Scientific Commons: F. Marken

Liquid-liquid ion transport junctions based on paired gold electrodes in generator-collector mode (2009)

French, R. W., Chan, Y. H., Bulman-Page, P. C., Marken, F.

Simultaneous electrochemically driven double anion transfer across liquid-liquid interfaces is demonstrated at a gold-gold junction electrode. In the presence of two closely spaced electrodes...

Synthesis, characterization, and electrochemistry of a series of iron(II) complexes containing self-assembled 1,5-Diaza-3,7-diphosphabicyclo 3.3.1 nonane Ligands (2009)

Burrows, A. D., Harrington, R. W., Kirk, A. S., Mahon, M. F., Marken, F., Warren, J. E., ...

The reaction between PPh(CH2OH)(2), iron(II) sulfate, ammonium sulfate, and formaldehyde in aqueous solution gives the iron(II) complex [Fe(kappa(2)-O2SO2)L-2] (1), where L is the bidentate phosphine...

Effects of microwave radiation on electrode position processes at tin-doped indium oxide (ITO) electrodes (2009)

Rassaei, L., Vigil, E., French, R. W., Mahon, M. F., Compton, R. G., Marken, F.

In situ microwave activation is investigated for the electrodeposition of a metal (gold) and for a metal oxide (hydrous Ti(IV) oxide) onto tin-doped indium oxide (ITO) film electrodes. It is...

Giving electrons a ride: nanomechanical electron shuttles (2008)

Moskalenko, A. V., Gordeev, S. N., Koentjoro, O. F., Raithby, P. R., French, R. W., Marken, F., ...

Nanomechanical shuttles transferring small groups of electrons or even individual electrons from one electrode to another offer a novel approach to the problem of controlled charge transport. Here,...

Optical waveguide spectroscopy study of the transport and binding of cytochrome c in mesoporous titanium dioxide electrodes (2008)

Cameron, P. J., Jenkins, A. T. A., Knoll, Wolfgang, Marken, F., Milsom, E. V., Williams, T. L.

Electrochemical and sonoelectrochemical monitoring of indigo reduction by glucose (2008)

Vuorerna, A., John, P., Keskitalo, M., Kulandainathan, M. A., Marken, F.

The reduction of indigo (dispersed in water) to leuco-indigo (dissolved in water) is an important industrial process and investigated here for the case of glucose as an environmentally benign...

Chemically surface-modified carbon nanoparticle carrier for phenolic pollutants: Extraction and electrochemical determination of benzophenone-3 and triclosan (2008)

Vidal, L., Chisvert, A., Canals, A., Psillakis, E., Lapkin, Alexei A, Acosta, F., ...

Chemically surface-modified (tosyl-functionalized) carbon nanoparticles (Emperor 2000 from Cabot Corp.) are employed for the extraction and electrochemical determination of phenolic impurities such...

Bioelectrocatalytic dioxygen reduction at hybrid silicate-polyallylamine film with encapsulated laccase (2008)

Szot, K., Niedziolka, J., Rogalski, J., Marken, F., Opallo, M.

The tin-doped indium oxide (ITO) electrode served as a suitable support for the mediator 2,2 '-azino-bis(3-ethylbenzothiazoline-6-sulfonate) and extracellular laccase from Cerrena unicolor...

Arsenite determination in phosphate media at electroaggregated gold nanoparticle deposits (2008)

Rassaei, L., Sillanpaeae, M., French, R. W., Compton, R. G., Marken, F.

Compared to bulk gold, highly reactive mesoporous gold film deposits are prepared on a boron-doped diamond electrode surface. An electroaggregation process causing 5 nm diameter gold nanoparticles to...

Layer-by-layer assembly of Ru3+ and Si8O208- into electrochemically active silicate films (2008)

Rassaei, L., Sillanpaa, M., Milsom, E. V., Zhang, X. H., Marken, F.

A porous silicate is obtained from octa-anionic Si8O208- cage-like poly-silicate (PS) and Ru3+ cations in an ethanol-based layer-by-layer assembly process. Electrochemical experiments (voltammetry...

Modified carbon nanoparticle-chitosan film electrodes: Physisorption versus chemisorption (2008)

Rassaei, L., Sillanpaa, M., Marken, F.

Surface functionalised carbon nanoparticles of ca. 8 nm diameter co-assemble with chitosan into stable thin film electrodes at glassy carbon surfaces. Robust electrodes for application in sensing or...

Binding site control in a layer-by-layer deposited chitosan-carbon nanoparticle film electrode (2008)

Rassaei, L., Bonne, M. J., Sillanpaa, M., Marken, F.

Thin chitosan-carbon nanoparticle films (ca. 2 nm average thickness increase per layer) are assembled onto tin-doped indium oxide (ITO) electrode substrates in a layer-by-layer deposition process...

Enantioselective organocatalytic epoxidation driven by electrochemically generated percarbonate and persulfate (2008)

Page, P. C. B., Marken, F., Williamson, C., Chan, Y., Buckley, B. R., Bethell, D.

An organocatalytic asymmetric epoxidation reaction using iminium salt catalysts is described, in which the stoichiometric persulfate oxidant is generated electrochemically. This system offers...

Reactivity of methemoglobin immobilized on TiO2 nanoparticle films (2008)

Milsom, E. V., Dash, H. A., Jerikins, A. T. A., Opallo, M., Marken, F.

Facile demetallation occurs upon contact of the methemoglobin with a mesoporous TiO2 host in phosphate buffer media at pH 5.5 but not in acetate buffer media. As a result, voltammetric signals...

Introducing hydrophilic carbon nanoparticles into hydrophilic sol-gel film electrodes (2008)

Macdonald, S. M., Szot, K., Niedziolka, J., Marken, F., Opallo, M.

A hydrophilic carbon nanoparticle-sol-gel electrode with good electrical conductivity within the sol-gel matrix is prepared. Sulfonated carbon nanoparticles with high hydrophilicity and of 10-20 nm...

Probing carboxylate Gibbs transfer energies via liquid vertical bar liquid transfer at triple phase boundary electrodes: ion-transfer voltammetry versus COSMO-RS predictions (2008)

MacDonald, S. M., Opallo, M., Klamt, A., Eckert, F., Marken, F.

Understanding liquid\liquid ion transfer processes is important in particular for naturally occurring species such as carboxylates. In this study electrochemically driven mono-, di-, and...

Electrocatalytic determination of sulfite at immobilized microdroplet liquid - Liquid interfaces: The EIC' mechanism (2008)

Katif, N., MacDonald, S. M., Kelly, A. M., Galbraith, E., James, T. D., Lubben, A. T., ...

Liquid I liquid interfaces provide a natural boundary and a reactive interface where an organic phase is in contact with an aqueous analyte. The selectivity of ion transfer processes at liquid I...

Electrochemically promoted Friedel-Crafts acylation of aromatic compounds (2008)

Karthik, G., Kulangiappar, K., Marken, F., Kulandainathan, A. A.

Friedel-Crafts acylation is carried out with several aromatic substrates in the presence of an electrochemically active aluminium anode to minimize the inorganic reagents. Only a catalytic amount of...

Fluorescent boron bis(phenolate) with association response to chloride and dissociation response to fluoride (2008)

Galbraith, E., Fyles, T. M., Marken, F., Davidson, M. G., James, T. D.

Addition of chloride ions to boron bis(phenolate) 5 in dichloromethane solution produces a selective fluorescence decrease. The fluorescence change is believed to be caused by associative hydrogen...

Assembly, conductivity, and chemical reactivity of sub-monolayer gold nanoparticle junction arrays (2008)

French, R. W., Milsom, E. V., Moskalenko, A. V., Gordeev, S. N., Marken, F.

Assemblies of gold nanoparticles (nominal 20 nm in diameter) and poly-(diallyldimethylammonium chloride) (PDDAC) are formed on tin-doped indium oxide (ITO) and glass substrates in a layer-by-layer...

Thin-film modified electrodes with reconstituted cellulose-PDDAC films for the accumulation and detection of triclosan (2008)

Bonne, M. J., Edler, K. J., Buchanan, J. G., Wolverson, D., Psillakis, E., Helton, M., ...

A strategy for the formation of thin reconstituted cellulose films (pure or modified)) with embedded receptors or embedded ion-selective components is reported. Cellulose nanofibril ribbons from...

An ionic liquid as a solvent for headspace single drop microextraction of chlorobenzenes from water samples (2007)

Vidal, L., Psillakis, E., Domini, C. E., Grane, N., Marken, F., Canals, A.

A headspace single-drop microextraction (HS-SDME) procedure using room temperature ionic liquid and coupled to high-performance liquid chromatography capable of quantifying trace amounts of...

Layer-by-layer deposition of praseodymium oxide on tin-doped indium oxide (ITO) surface (2007)

Shrestha, S., Yeung, C. M. Y., Marken, F., Mills, C. E., Tsang, S. C.

Praseodymium oxide as a thin film of controllable layer is known to display many unique physiochemical properties, which can be useful to ceramic, semiconductive and sensor industries. Here in this...

Electro-deposition and stripping of catalytically active iron metal nanoparticles at boron-doped diamond electrodes (2007)

Saez, V., Gonzalez-Garcia, J., Kulandainathan, M. A., Marken, F.

A new methodology for the electro-deposition and stripping of highly reactive iron nanoparticles at boron-doped diamond electrodes is proposed. In aqueous 1M NH4F iron metal readily and reversibly...

Electrochemical investigation of hemispherical microdroplets of N,N-didodecyl-N ',N '-diethylphenylenediamine immobilized as regular arrays on partially-blocked electrodes: A new approach to liquid vertical bar liquid voltammetry (2007)

Rayner, D., Fietkau, N., Streeter, I., Marken, F., Buckley, B. R., Page, P. C. B., ...

A regular array of identically sized microdroplets of 2.5 mu m radius of the water-insoluble liquid N,N-didodecyl-N',N'-diethylphenylenediamine (DDPD) is immobilized on the nonconducting hydrophobic...

Carbon nanoriber-polystyrene composite electrodes for electroanalytical processes (2007)

Rassaei, L., Sillanpaa, M., Bonn, M. J., Marken, F.

Carbon nanofibers provide an active and well-defined high surface area material for electroanalytical processes. In this study a novel procedure is suggested for compacting carbon nanofiber (CNF)...

A porous ITO nanoparticles modified electrode for the redox liquid immobilization (2007)

Niedziolka, J., Szot, K., Marken, F., Opallo, M.

Tin-doped indium oxide (ITO) nanoparticles (ca. 20 nm in diameter) were deposited onto electrode surfaces employing a simple immersion, withdrawal and solvent evaporation method. The resulting ITO...

Electrocatalytic oxidation of nitric oxide at TiO2-Au nanocomposite film electrodes (2007)

Milsom, E. V., Novak, J., Oyama, M., Marken, F.

Structured films of TiO2 (anatase) nanoparticles (ca. 6 nm diameter) and gold nanoparticles (nominal 20 nm diameter) are formed via a layer-by-layer deposition procedure. TiO2 nanoparticles are...

Layer-by-layer deposition of open-pore mesoporous TiO2-Nafion (R) film electrodes (2007)

Milsom, E. V., Novak, J., Green, S. J., Zhang, X. H., Stott, S. J., Mortimer, R. J., ...

The formation of variable thickness TiO2 nanoparticle-Nafion(R) composite films with open pores is demonstrated via a layer-by-layer deposition process. Films of about 6 nm diameter TiO2...

The effects of conductivity and electrochemical doping on the reduction of methemoglobin immobilized in nanoparticulate TiO2 films (2007)

Milsom, E. V., Dash, H. A., Jenkins, T. A., Opallo, M., Marken, F.

Methemoglobin (bovine) is immobilized from aqueous phosphate buffer (pH 5.5) solution into thin porous TiO2 (anatase) films at ITO electrode surfaces. Films of TiO2 are produced in a deposition...

SnO2-poly(diallyldimethylammonium chloride) films: Electrochemical evidence for heme protein absorption, denaturation, and demetallation (2007)

Milsom, E. V., Dash, H. A., Jenkins, T. A., Halliwell, C. M., Thetford, A., Bligh, N., ...

Thin mesoporous nanocomposite films of SnO2-poly(diallyidimethylammonium chloride) are formed in a layer-by-layer deposition process from SnO2 nanoparticles (nominal 15 nm diameter) and...

Voltammetric measurements at the surface of cotton: Absorption and catalase reactivity of a dinuclear manganese complex (2007)

Marken, F., Taylor, J. E., Bonne, M. J., Helton, M. E., Parry, M. L., McKee, V.

Voltammetric measurements at the surface of cotton fabric were conducted after impregnating the surface of the textile with graphite flakes. The resulting conducting surface contact was connected to...

Electrochemical processes at a flowing organic solvent vertical bar aqueous electrolyte phase boundary (2007)

MacDonald, S. M., Watkins, J. D., Gu, Y., Yunus, K., Fisher, A. C., Shul, G., ...

A microfluidic double channel device was employed to study reactions at a flowing liquid|liquid interface in contact with a gold electrode. The rectangular flow cell was calibrated for both single...

Carbon nanoparticle stabilised liquidlliquid micro-interfaces for electrochemically driven ion-transfer processes (2007)

MacDonald, S. M., Fletcher, P. D. I., Cui, Z. G., Opallo, M. C., Chen, J. Y., Marken, F.

Stabilised liquid|liquid interfaces between an organic 4-(3-phenylpropyl)-pyridine (PPP) phase and an aqueous electrolyte phase are obtained in the presence of suitable nanoparticles. The use of...

Boron-doped diamond electrodes in organic media: Electrochemical activation and selectivity effects (2007)

Kulandainathan, M. A., Hall, C., Wolverson, D., Foord, J. S., MacDonald, S. M., Marken, F.

This study highlights the effects of the electrochemical surface pre-treatment of polished polycrystalline boron-doped diamond electrodes in ethanol on electron transfer to organic redox systems. A...

A new method of studying ion transfer at liquid vertical bar liquid phase boundaries using a carbon nanotube paste electrode with a redox active binder (2007)

Kachoosangi, R. T., Xiao, L., Wildgoose, G. G., Marken, F., Page, P. C. B., Compton, R. G.

We report a new method for the study of voltammetric processes at liquid vertical bar liquid interfaces, namely that of using a redox active organic oil as the binder in a carbon nanotube (CNT) paste...

Electrosynthesis of phenyl-2-propanone derivatives from benzyl bromides and acetic anhydride in an unsupported micro-flow cell electrolysis process (2007)

He, P., Watts, P., Marken, F., Haswell, S. J.

A simple process for the synthesis of phenyl-2-propanone is described based on a one-step electrochemical acylation reaction, involving the direct electroreductive coupling of benzyl bromides and...

Scaling out of electrolyte free electrosynthesis in a micro-gap flow cell (2007)

He, P., Watts, P., Marken, F., Haswell, S. J.

The electro-reductive coupling of activated olefins and benzyl bromide derivatives has been selected to compare the performance of single and multiple channel ( scaled-out) micro-gap electrochemical...

Microwave-enhanced electro-deposition and stripping of palladium at boron-doped diamond electrodes (2007)

Ghanem, M. A., Hanson, H., Compton, R. G., Coles, B. A., Marken, F.

In situ microwave activation has been applied to the electro-deposition and stripping of palladium metal (which is widely used as a catalyst) at cavitation resistant boron-doped diamond electrodes....

Microwave activation of electrochemical processes: High temperature phenol and triclosan electro-oxidation at carbon and diamond electrodes (2007)

Ghanem, M. A., Compton, R. G., Coles, B. A., Psillakis, E., Kulandainathan, M. A., Marken, F.

The electrochemical oxidation of phenolic compounds in aqueous media is known to be affected by the formation of electro-polymerized organic layers which lead to partial or complete electrode...

Sequential reduction of high hydride count octahedral rhodium clusters [Rh-6(PR3)(6)H-12][BAr4F](2): Redox-switchable hydrogen storage (2007)

Brayshaw, S. K., Harrison, A., McIndoe, J. S., Marken, F., Raithby, P. R., Warren, J. E., ...

Cyclic voltammetry on the octahedral rhodium clusters with 12 bridging hydride ligands, [Rh-6(PR3)(6)H-12][BAr4F](2) (R = Cy Cy-[H12](2+), R = Pr-i Pr-i-[H12](2+); [BAr4F](-) =...

Voltammetric study of absorption and reactivity of metal complexes in cotton immersed in aqueous buffer solutions (2007)

Bonne, M. J., Taylor, J. E., Carver, A. K., Helton, M., Marken, F.

Cotton is an excellent cellulose-based absorbent mainly due to amorphous cellulose regions in the nanocrystalline (cellulose-I) natural fiber structure. It is shown here for the case of a woven...

Demetallation of methemoglobin in cellulose nanofibril-TiO2 nanoparticle composite membrane electrodes (2007)

Bonne, M. J., Milsom, E. V., Helton, M., Thielemans, W., Wilkins, S., Marken, F.

Porous composite films containing cellulose nanofibrils (from sisal) and TiO2 nanoparticles (ca. 6 nm diameter) are obtained in a layer-by-layer assembly process. Each layer consists of ca. 0.18 mu g...

Electro-deposition of thin cellulose films at boron-doped diamond substrates (2007)

Bonne, M. J., Helton, M., Edler, K., Marken, F.

Cellulose films of variable thickness are electro-deposited from aqueous alkaline thiourea solution onto polished boron-doped diamond substrates in an anodic process. Films with "net-like" topography...

Electrostatic accumulation and determination of triclosan in ultrathin carbon nanoparticle composite film electrodes (2007)

Amiri, M., Shahrokhian, S., Psillakis, E., Marken, F.

A film composed of carbon nanoparticles and poly(diallyldimethylammonium chloride) or CNP-PDDAC is formed in a layer-by-layer deposition process at tin-doped indium oxide (ITO) substrates. Excess...

Ultrathin carbon nanoparticle composite film electrodes: Distinguishing dopamine and ascorbate (2007)

Amiri, M., Shahrokhian, S., Marken, F.

Ultrathin carbon nanoparticle-poly(diallyldimethylammonium chloride) films (CNP-PDDAC films) are formed on tin-doped indium oxide (ITO) electrodes in a layer-by-layer electrostatic deposition process...

Boron-doped diamond electrodes in organic media: Electrochemical activation and selectivity effects (2007)

Kulandainathan, M. A., Hall, C., Wolverson, D., Foord, J. S., MacDonald, S. M., Marken, F.

Electrochemical properties of core-shell TiC-TiO2 nanoparticle films immobilized at ITO electrode surfaces (2006)

Stott, SJ, Mortimer, RJ, Dann, SE, Oyama, M, Marken, F

A rotating disc voltammetry study of the 1,8-dihydroxyanthraquinone mediated reduction of colloidal indigo (2006)

Vuorema, A., John, P., Jenkins, A. T. A., Marken, F.

Colloidal indigo is reduced to an aqueous solution of leuco-indigo in a mediated two-electron process converting the water-insoluble dye into the water-soluble leuco form. The colloidal dye does not...

Electrochemical properties of core-shell TiC-TiO2 nanoparticle films immobilized at ITO electrode surfaces (2006)

Stott, S. J., Mortimer, R. J., Dann, S. E., Oyama, M., Marken, F.

Titanium carbide (TiC) nanoparticles are readily deposited onto tin-doped indium oxide (ITO) electrodes in the form of thin porous films. The nanoparticle deposits are electrically highly conducting...

Electrochemical deposition of praseodymium oxide on tin-doped indium oxide as a thin sensing film (2006)

Shrestha, S., Marken, F., Elliott, J., Yeung, C. M. Y., Mills, C. E., Tsang, S. C.

Fabrication of a thin praseodymium oxide film is of great technological interest in sensor, semiconducting, and ceramic industries. It is shown for the first time that an ultrathin layer of...

Ion transfer processes at the room temperature ionic liquid vertical bar aqueous solution interface supported by a hydrophobic carbon nanofibers - silica composite film (2006)

Rozniecka, E., Niedziolka, J., Sirieix-Plenet, J., Gaillon, L., Murphy, M. A., Marken, F., ...

A thin film of carbon nanofibers embedded into a hydrophobic sol-gel material and deposited onto tin-doped indium oxide substrate electrodes is employed as a support for liquid vertical bar liquid...

Towards paired and coupled electrode reactions for clean organic microreactor electrosyntheses (2006)

Paddon, C. A., Atobe, M., Fuchigami, T., He, P., Watts, P., Haswell, S. J., ...

Electrosynthesis offers a powerful tool for the formation of anion and cation radical intermediates and for driving clean synthetic reactions without the need for additional chemical reagents. Recent...

Characterisation of hydrophobic carbon nanofiber-silica composite film electrodes for redox liquid immobilisation (2006)

Niedziolka, J., Murphy, M. A., Marken, F., Opallo, M.

Carbon (50-150 nm diameter) nanofibers were embedded into easy to prepare thin films of a hydrophobic sol-gel material and cast onto tin-doped indium oxide substrate electrodes. They promote electron...

Focused microwaves in electrochemical processes (2006)

Marken, F., Sur, U. K., Coles, B. A., Compton, R. G.

The effects of high intensity microwave radiation in electrochemistry are summarized and discussed. In situ microwave activation of electrochemical processes has been introduced recently and is...

New bis(triazinyl) pyridines for selective extraction of americium(III) (2006)

Hudson, M. J., Boucher, C. E., Braekers, D., Desreux, J. F., Drew, M. G. B., Foreman, M. R. S., ...

New hydrophobic, tridentate nitrogen heterocyclic reagents (BATPs) such as 2,6-bis(5,5,8,8-tetramethyl-5,6,7,8-tetrahydrobenzo[1,2,4]triazin-3-yl) pyridine (1) and...

Self-supported methoxylation and acetoxylation electrosynthesis using a simple thin-layer flow cell (2006)

Horii, D., Atobe, M., Fuchigami, T., Marken, F.

Self-supported electrochemical methoxylation and acetoxylation of various organic molecules were carried out using a thin-layer flow cell without intentionally added supporting electrolyte. The...

Self-supported and clean one-step cathodic coupling of activated olefins with benzyl bromide derivatives in a micro flow reactor (2006)

He, P., Watts, P., Marken, F., Haswell, S. J.

Microwave induced jet boiling investigated via voltammetry at ring-disk microelectrodes (2006)

Ghanem, M. A., Thompson, M., Compton, R. G., Coles, B. A., Harvey, S., Parker, K. H., ...

High intensity microwave radiation is (self-) focused at metal electrodes immersed in aqueous electrolyte solutions to generate highly localized superheating and convection effects. It is shown that,...

Microwave activation of processes in mesopores: The thiourea electrooxidation at mesoporous platinum (2006)

Ghanem, M. A., Coles, B. A., Compton, R. G., Marken, F.

In situ microwave activation is applied to the electrochemical oxidation of thiourea at low surface area (polished polycrystalline) and at high surface area (electrodeposited mesoporous platinum...

Capillary electrophoresis with microwave-enhanced electrochemical detection (2006)

Foerster, S., Matysik, F. M., Ghanem, M. A., Marken, F.

A new experimental development concerning microwave-assisted electrochemical detection in conjunction with capillary electrophoresis is presented. Focused microwaves are readily incorporated into...

Synthesis, structure, and redox states of homoleptic d-block metal complexes with bis-1,2,4-triazin-3-yl-pyridine and 1,2,4-triazin-3-yl-bipyridine extractants (2006)

Drew, M. G. B., Foreman, M. R. S., Geist, A., Hudson, M. J., Marken, F., Norman, V., ...

it has been established that triazinyl bipyridines (hemi-BTPs) and bis-triazinyl pyridines (BTPs), ligands which are currently being investigated as possible ligands for the separation of actinides...

Comparison of three optimized digestion methods for rapid determination of chemical oxygen demand: Closed microwaves, open microwaves and ultrasound irradiation (2006)

Domini, C. E., Hidalgo, M., Marken, F., Canals, A.

In the present work, experimental design was used for the fast optimization of three kinds of sample digestion procedures with the final aim of obtaining the COD value of wastewater samples. The...

Comparison of three optimized digestion methods for rapid determination of chemical oxygen demand: Closed microwaves, open microwaves and ultrasound irradiation (vol 561, pg 210, 2006) (2006)

Domini, C. E., Hidalgo, M., Marken, F., Canals, A.

Storing and releasing hydrogen with a redox switch (2006)

Brayshaw, S. K., Green, J. C., Hazari, N., McIndoe, J. S., Marken, F., Raithby, P. R., ...

The electrochemical ion-transfer reactivity of porphyrinato metal complexes in 4-(3-phenylpropyl)pyridine vertical bar water systems (2006)

Bonne, M. J., Reynolds, C., Yates, S., Shul, G., Niedziolka, J., Opallo, M., ...

The transfer of ions between an aqueous and an organic phase is driven electrochemically at a triple phase junction graphite |4-(3-phenylpropyl) pyridine | aqueous electrolyte....

Synthesis, structure, and redox states of homoleptic d-block metal complexes with bis-1,2,4-triazin-3-yl-pyridine and 1,2,4-triazin-3-yl-bipyridine extractants. (2006)

Drew, M.G.B., Foreman, M.R.S., Geist, A., Hudson, M.J., Marken, F., Norman, V., ...

Polyhedron, 25(2006) S.888-900

A novel cation-binding TiO2 nanotube substrate for electro- and bioelectro-catalysis (2005)

Bavykin, D.V., Milsom, E.V., Marken, F., Kim, D.H., Marsh, D.H., Riley, D.J., ...

TiO2 nanotubes (8–20 nm outer diameter and 3–5 nm inner diameter) grown via alkaline hydrothermal synthesis are characterised and compared to 6 nm diameter TiO2 (anatase) nanoparticles. Zeta...

A novel cation-binding TiO2 nanotube substrate for electro- and bioelectrocatalysis (2005)

Bavykin, D. V., Milsom, E. V., Marken, F., Kim, D. H., Marsh, D. H., Riley, D. J., ...

TiO2 nanotubes (8-20 nm outer diam. and 3-5 nm inner diam.) grown via alk. hydrothermal synthesis are characterized and compared to 6 nm diam. TiO2 (anatase) nanoparticles. Zeta potential,...

Simple cast-deposited multi-walled carbon nanotube/Nafion (TM) thin film electrodes for electrochemical stripping analysis (2005)

Tsai, Y. C., Chen, J. M., Marken, F.

A stable composite film of multi-walled carbon nanotubes (MWNTs) with a Nafion (TM) cation exchanger membrane is prepared using a simple and reproducible cast deposition methodology. The MWNTs are...

Microwave activation of electrochemical processes at glassy carbon and boron-doped diamond electrodes (2005)

Sur, UK, Marken, F, Seager, R, Foord, JS, Chatterjee, A, Coles, BA, ...

Mesoporous TiO2 carboxymethyl-gamma-cyclodextrate multi-layer host films: effects on adsorption and electrochemistry of 1,1'-ferrocenedimethanol (2005)

Stott, SJ, Mortimer, RJ, McKenzie, KJ, Marken, F

Liquid-liquid interfacial processes at hydrophobic silica carbon composite electrodes: ion transfer at water-nitrobenzene, water-o-nitrophenyloctylether, and at water-o-nitrophenylphenylether interfaces (2005)

Shul, G, Opallo, M, Marken, F

Effects of carbon nanofiber composites on electrode processes involving liquid vertical bar liquid ion transfer (2005)

Shul, G., Murphy, M. A., Wilcox, G. D., Marken, F., Opallo, M.

Composite electrodes were prepared from chemical vapor deposition grown carbon nanofibers consisting predominantly of ca. 100 nm diameter fibers. A hydrophobic sol-gel matrix based on a...

Characterisation of biphasic electrodes based on the liquid N,N-didodecyl-N ' N '-diethylphenylenediamine redox system immobilised on porous hydrophobic silicates and immersed in aqueous media (2005)

Shul, G., McKenzie, K. J., Niedziolka, J., Rozniecka, E., Palys, B., Marken, F., ...

Biphasic electrodes based on the water-insoluble redox liquid N,N-didodecyl-N,N'-diethylphenylene-diamine (DDPD) neat and dissolved in di-(2-ethyl-hexyl)phosphate (HDOP) deposited onto silicate...

Microphase voltammetry of diluted and undiluted redox liquids deposited on sol-gel ceramic carbon electrodes (2005)

Opallo, M, Saczek-Maj, M, Shul, G, Hayman, CM, Page, PCB, Marken, F

Electrochemical characterisation of ultrathin carbon nanofiber-chitosan multi-layer films (2005)

Murphy, M. A., Wilcox, G. D., Dahm, R. H., Marken, F.

Carbon nanofibers can be oxidized and solubilised in alkaline or neutral aqueous media. Deposition of the solution by solvent evaporation allows well-defined amounts,of carbon nanofiber material to...

Redox processes in mesoporous oxide membranes: Layered TiO2 phytate and TiO2 flavin adenine dinucleotide films (2005)

Milsom, E. V., Perrott, H. R., Peter, L. M., Marken, F.

Thin films of TiO2 (anatase) nanoparticles are assembled at an electrode surface via a layer-by-layer deposition process employing phytic acid, pyromellitic acid, or flavin adenine dinucleotide (FAD)...

TiO2 phytate films as hosts and conduits for cytochrome c electrochemistry (2005)

McKenzie, KJ, Marken, F, Opallo, M

Assembly of thin mesoporous titania films and their effects on the voltammetry of weakly adsorbing redox systems (2005)

McKenzie, KJ, King, PM, Marken, F, Gardner, CE, Macpherson, JV

Ion transfer processes at 4-(3-phenylpropyl)-pyridine - aqueous electrolyte vertical bar electrode triple phase boundary systems supported by graphite and by mesoporous TiO2 (2005)

Marken, F, McKenzie, KJ, Shul, G, Opallo, M

Self-supported paired electrosynthesis of 2,5-dimethoxy-2,5-dihydrofuran using a thin layer flow cell without intentionally added supporting electrolyte (2005)

Horii, D., Atobe, M., Fuchigami, T., Marken, F.

2,5-Dimethoxy-2,5-dihydrofuran was prepared by the oxidation of furan and by the reduction of methanol solvent using a thin layer flow cell geometry with anode and cathode directly facing each other...

Electrolyte free electro-organic synthesis: The cathodic dimerisation of 4-nitrobenzylbromide in a micro-gap flow cell (2005)

He, P., Watts, P., Marken, F., Haswell, S. J.

The electrochemical reduction of 4-nitrobenzylbromide is studied in NN-dimethylformamide solution in the presence and in the absence of intentionally added supporting electrolyte. By conventional...

Microwave-enhanced electrochemical processes in micellar surfactant media (2005)

Ghanem, M. A., Marken, F., Coles, B. A., Compton, R. G.

High intensity microwave radiation effects are demonstrated for electron transfer processes at 25 or 50-mu m diameter platinum electrodes immersed in micellar sodium dodecylsulfate ( SDS) solutions....

Mesoporous platinum hosts for electrode vertical bar liquid vertical bar liquid - Triple phase boundary redox systems (2005)

Ghanem, M. A., Marken, F.

Mesoporous metal hosts are attractive electrode materials for complex electrode reactions, for example those involving a system of two immiscible liquids. Here we show that a solution of...

Microwave activation of the electro-oxidation of glucose in alkaline media (2005)

Ghanem, M. A., Compton, R. G., Coles, B. A., Canals, A., Vuorema, A., John, P., ...

The oxidation of glucose is a complex process usually requiring catalytically active electrode surfaces or enzyme modified electrodes. In this study the effect of high intensity microwave radiation...

Microwave enhanced electroanalysis of formulations: processes in micellar media at glassy carbon and at platinum electrodes (2005)

Ghanem, M. A., Compton, R. G., Coles, B. A., Canals, A., Marken, F.

The direct electroanalysis of complex formulations containing alpha-tocopherol ( vitamin E) is possible in micellar solution and employing microwave-enhanced voltammetry. In the presence of microwave...

A novel cation-binding TiO2 nanotube substrate for electro-catalysis and bioelectro-catalysis (2005)

Bavykin, D. V., Milsom, E. V., Marken, F., Kim, D. H., Marsh, D. H., Riley, D. J., ...

TiO2 nanotubes (8-20 nm outer diameter and 3-5 nm inner diameter) grown via alkaline hydrothermal synthesis are characterised and compared to 6 nm diameter TiO2 (anatase) nanoparticles. Zeta...

Electrochemistry in the presence of mesoporous TiO2 phytate nanofilms (2004)

McKenzie, KJ, Marken, F, Oyama, M, Gardner, CE, Macpherson, JV

Hemoglobin adsorption into TiO2 phytate multi-layer films: particle size and conductivity effects (2004)

Paddon, C. A., Marken, F.

Hemoglobin (molecular weight 64.5 kDa, isoelectric point 7.4) in 0.1 M phosphate buffer solution at pH 5.5 readily adsorbs onto mesoporous TiO2 phytate films, which have been formed in a...

Electrifying interfaces (2004)

Marken, F

Sono-emulsion electrosynthesis: electrode-insensitive Kolbe reactions (2001)

Wadhawan, J. D., Marken, F., Compton, R. G., Bull, S. D., Davies, S. G.

Emulsion electrosynthesis in the presence of power ultrasound Biphasic Kolbe coupling processes at platinum and boron-doped diamond electrodes (2001)

Wadhawan, J. D., Del Campo, F. J., Compton, R. G., Foord, J. S., Marken, F., Bull, S. D., ...

Photoelectrochemically driven processes at the N,N,N ',N '-tetrahexylphenylenediamine microdroplet/electrode/aqueous electrolyte triple interface (2001)

Wadhawan, J. D., Compton, R. G., Marken, F., Bull, S. D., Davies, S. G.

Electrochemically driven ion insertion processes across liquid/liquid boundaries: Neutral versus ionic redox liquids (2001)

Schroder, U., Compton, R. G., Marken, F., Bull, S. D., Davies, S. G., Gilmour, S.

Fast electrochemical triple-interface processes at boron-doped diamond electrodes (2001)

Marken, F., Compton, R. G., Goeting, C. H., Foord, J. S., Bull, S. D., Davies, S. G.