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Rapid fingerprinting of bacterial species using nanocavities created on screen-printed electrodes modified by β-cyclodextrin. (2023)
Journal Article
Haghighian, N., & Kataky, R. (2023). Rapid fingerprinting of bacterial species using nanocavities created on screen-printed electrodes modified by β-cyclodextrin. Sensors & Diagnostics, 2(5), 1228-1235. https://doi.org/10.1039/d3sd00074e

Rapid and precise identification of infectious microorganisms is important across a range of applications where microbial contamination can cause serious issues ranging from microbial resistance to corrosion. In this paper a screen-printed, polymeric... Read More about Rapid fingerprinting of bacterial species using nanocavities created on screen-printed electrodes modified by β-cyclodextrin..

An Electrochemistry and Computational Study at an Electrified Liquid–Liquid Interface for Studying Beta-Amyloid Aggregation (2023)
Journal Article
Silwane, B., Wilson, M., & Kataky, R. (2023). An Electrochemistry and Computational Study at an Electrified Liquid–Liquid Interface for Studying Beta-Amyloid Aggregation. Membranes, 13(6), Article 584. https://doi.org/10.3390/membranes13060584

Amphiphilic peptides, such as Aß amyloids, can adsorb at an interface between two immiscible electrolyte solutions (ITIES). Based on previous work (vide infra), a hydrophilic/hydrophobic interface is used as a simple biomimetic system for studying dr... Read More about An Electrochemistry and Computational Study at an Electrified Liquid–Liquid Interface for Studying Beta-Amyloid Aggregation.

Real time monitoring of interactions of gold nanoparticles with supported phospholipid lipid layers (2020)
Journal Article
Bunga, Y., & Kataky, R. (2020). Real time monitoring of interactions of gold nanoparticles with supported phospholipid lipid layers. Journal of Electroanalytical Chemistry, 872, Article 114302. https://doi.org/10.1016/j.jelechem.2020.114302

Rapid methods for assessing engineered nanoparticle (NP) and their interactions with lipid membranes is important to several fields including pharmaceutical, clinical and toxicological studies. This study presents Resonance Enhanced Surface Impedance... Read More about Real time monitoring of interactions of gold nanoparticles with supported phospholipid lipid layers.

New Blatter-type radicals from a bench-stable carbene (2017)
Journal Article
Grant, J. A., Lu, Z., Tucker, D. E., Hockin, B. M., Yufit, D. S., Fox, M. A., …O'Donoghue, A. C. (2017). New Blatter-type radicals from a bench-stable carbene. Nature Communications, 8, Article 15088. https://doi.org/10.1038/ncomms15088

Stable benzotriazinyl radicals (Blatter’s radicals) recently attracted considerable interest as building blocks for functional materials. The existing strategies to derivatize Blatter’s radicals are limited, however, and synthetic routes are complex.... Read More about New Blatter-type radicals from a bench-stable carbene.

‘Soft’ electroactive particles and their interaction with lipid membranes. (2017)
Journal Article
Ntola, C., & Kataky, R. (2017). ‘Soft’ electroactive particles and their interaction with lipid membranes. Electrochemistry Communications, 77, 65-70. https://doi.org/10.1016/j.elecom.2017.02.017

Solid lipid nanoparticles (SLN) are widely used in pharmaceutical and cosmetic applications. SLN, incorporating approximately 105 ferrocene units, as core-enriched redox active nanoparticles, were used as a model for probing interactions with solid-s... Read More about ‘Soft’ electroactive particles and their interaction with lipid membranes..

A G-quadruplex aptamer based impedimetric sensor for free lysine and arginine (2016)
Journal Article
Carter, Z., & Kataky, R. (2017). A G-quadruplex aptamer based impedimetric sensor for free lysine and arginine. Sensors and Actuators B: Chemical, 243, 904-909. https://doi.org/10.1016/j.snb.2016.12.010

This paper describes a label free sensor for the sensitive detection of certain, basic primary amino acids containing free ethyl and methyl amino acids. The control of interfacial electron transfer of a G-quadruplex DNA aptamer, using a Fe(CN)63–/4−... Read More about A G-quadruplex aptamer based impedimetric sensor for free lysine and arginine.

Emulsification at the liquid-liquid interfaces: effects of potential, electrolytes and surfactants (2015)
Journal Article
Chowdhury, M., & Kataky, R. (2016). Emulsification at the liquid-liquid interfaces: effects of potential, electrolytes and surfactants. ChemPhysChem, 17(1), 105-111. https://doi.org/10.1002/cphc.201500847

Emulsification of oils at liquid/liquid interfaces is of fundamental importance across a range of applications, including detergency. Adsorption and partitioning of the anionic surface active ions at the interface between two immiscible solutions is... Read More about Emulsification at the liquid-liquid interfaces: effects of potential, electrolytes and surfactants.

Graphene oxide nanocapsules within silanized hydrogels suitable for electrochemical pseudocapacitors (2015)
Journal Article
Kataky, R., Hadden, J., Coleman, K., Ntola, C., Chowdhury, M., Duckworth, A., …Shenton, F. (2015). Graphene oxide nanocapsules within silanized hydrogels suitable for electrochemical pseudocapacitors. Chemical Communications, 51(51), 10345-10348. https://doi.org/10.1039/c5cc00968e

Soft biocompatible gels comprised of rolled up graphene oxide nanocapsules within the pores of silanized hydrogels may be used as electrochemical pseudocapacitors with physiological glucose or KOH as a reducing agent, affording a material suitable fo... Read More about Graphene oxide nanocapsules within silanized hydrogels suitable for electrochemical pseudocapacitors.

A microgripper sensor device capable of detecting ion efflux from whole cells (2014)
Journal Article
Daunton, R., Wood, D., Gallant, A., & Kataky, R. (2014). A microgripper sensor device capable of detecting ion efflux from whole cells. RSC Advances, 4(92), 50536-50541. https://doi.org/10.1039/c4ra05052e

Electrothermally actuated microgripper sensor devices that are capable of simultaneous manipulation of live mouse oocytes and the sensing of potassium ion efflux are presented. The ion selective electrode technology applied to a microgripper device y... Read More about A microgripper sensor device capable of detecting ion efflux from whole cells.

Platinum(II) Complexes of N^C^N‑Coordinating 1,3-Bis(2-pyridyl)benzene Ligands: Thiolate Coligands Lead to Strong Red Luminescence from Charge-Transfer States (2014)
Journal Article
Tarran, W., Freeman, G., Murphy, L., Benham, A., Kataky, R., & Williams, J. (2014). Platinum(II) Complexes of N^C^N‑Coordinating 1,3-Bis(2-pyridyl)benzene Ligands: Thiolate Coligands Lead to Strong Red Luminescence from Charge-Transfer States. Inorganic Chemistry, 53(11), 5738-5749. https://doi.org/10.1021/ic500555w

A new family of platinum(II) complexes of the form PtLnSR have been prepared, where Ln represents a cyclometalating, NCN-bound tridentate ligand and SR is a monodentate thiolate ligand. The complexes fall into two groups, those of PtL1SR where HL1 =... Read More about Platinum(II) Complexes of N^C^N‑Coordinating 1,3-Bis(2-pyridyl)benzene Ligands: Thiolate Coligands Lead to Strong Red Luminescence from Charge-Transfer States.

Modification of Electrode Surfaces by Self-Assembled Monolayers of Thiol-Terminated Oligo(Phenyleneethynylene)s (2013)
Journal Article
Kaur, I., Zhao, X., Bryce, M., Schauer, P., Low, P., & Kataky, R. (2013). Modification of Electrode Surfaces by Self-Assembled Monolayers of Thiol-Terminated Oligo(Phenyleneethynylene)s. ChemPhysChem, 14(2), 431-440. https://doi.org/10.1002/cphc.201200744

The wire-like properties of four S-(4-{2-[4-(2-phenylethynyl)phenyl]ethynyl}phenyl) thioacetate derivatives, PhC≡CC6H4C≡CC6H4SAc (1), H2NC6H4C≡CC6H4C≡CC6H4SAc (2), PhC≡CC6H2(OMe)2C≡CC6H4SAc (3) and AcSC6H4C≡CC6H4C≡CC6H4SAc (4) (Figure 1), all of whic... Read More about Modification of Electrode Surfaces by Self-Assembled Monolayers of Thiol-Terminated Oligo(Phenyleneethynylene)s.

Non-invasive monitoring of temperature stress in Arabidopsis thaliana roots, using ion amperometry (2012)
Journal Article
Sulaiman, Y., Knight, M., & Kataky, R. (2012). Non-invasive monitoring of temperature stress in Arabidopsis thaliana roots, using ion amperometry. Analytical Methods, 4(6), 1656-1661. https://doi.org/10.1039/c2ay05747f

The extracellular storage of calcium of plant cells is one of the two most important calcium stores for signaling and recognized in importance. There has been, for decades, a need in the field of plant calcium signaling to be able to measure the chan... Read More about Non-invasive monitoring of temperature stress in Arabidopsis thaliana roots, using ion amperometry.

Chiral acid selectivity displayed by PEDOT electropolymerised in presence of chiral molecules (2012)
Journal Article
Sulaiman, Y., & Kataky, R. (2012). Chiral acid selectivity displayed by PEDOT electropolymerised in presence of chiral molecules. Analyst, 137(10), 2386-2393. https://doi.org/10.1039/c2an15854j

Chiral conducting polymers prepared by electropolymerising PEDOT in the presence of chiral anions such as hyaluronic acid and anionic collagen or in a chiral nematic phase (hydroxypropyl cellulose, HPC) show excellent chiral acid recognition. This pa... Read More about Chiral acid selectivity displayed by PEDOT electropolymerised in presence of chiral molecules.

Pericytes resident in postnatal skeletal muscle differentiate into muscle fibres and generate satellite cells (2011)
Journal Article
Dellavalle, A., Maroli, G., Covarello, D., Azzoni, E., Innocenzi, A., Perani, L., …Cossu, G. (2011). Pericytes resident in postnatal skeletal muscle differentiate into muscle fibres and generate satellite cells. Nature Communications, 2(1), Article 499. https://doi.org/10.1038/ncomms1508

Skeletal muscle fibres form by fusion of mesoderm progenitors called myoblasts. After birth, muscle fibres do not increase in number but continue to grow in size because of fusion of satellite cells, the postnatal myogenic cells, responsible for musc... Read More about Pericytes resident in postnatal skeletal muscle differentiate into muscle fibres and generate satellite cells.

A Gramicidin Analogue that Exhibits Redox Potential Dependent Cation Influx (2007)
Journal Article
Jackson, T., Sanderson, J., & Kataky, R. (2008). A Gramicidin Analogue that Exhibits Redox Potential Dependent Cation Influx. Sensors and Actuators B: Chemical, 130(2), 630-637. https://doi.org/10.1016/j.snb.2007.10.019

A synthetic analogue of gramicidin A, gram-2-(nicotinamidyl)ethyl carbamate (gAN) was found to regulate the influx of potassium ions depending on its redox state. At potentials less than −0.52 (±0.05) V, the nicotinamide group in gAN is reduced and a... Read More about A Gramicidin Analogue that Exhibits Redox Potential Dependent Cation Influx.

Conical recessed gold microelectrode arrays produced during photolithographic methods: characterisation and causes (2007)
Journal Article
Aguiar, F., Gallant, A., Rosamond, M., Rhodes, A., Wood, D., & Kataky, R. (2007). Conical recessed gold microelectrode arrays produced during photolithographic methods: characterisation and causes. Electrochemistry Communications, 9(5), 879-885. https://doi.org/10.1016/j.elecom.2006.11.023

In this work, surface imaging techniques such as scanning Kelvin nanoprobe (SKN), scanning electron microscopy (SEM) and white light interferometer microscopy show that conical recessed electrodes with gradient potential along the recessed walls are... Read More about Conical recessed gold microelectrode arrays produced during photolithographic methods: characterisation and causes.

Emulsion-templated porous materials (PolyHIPEs) for selective ion and molecular recognition and transport: applications in electrochemical sensing (2007)
Journal Article
Zhao, C., Danish, E., Cameron, N., & Kataky, R. (2007). Emulsion-templated porous materials (PolyHIPEs) for selective ion and molecular recognition and transport: applications in electrochemical sensing. Journal of materials chemistry, 17(23), 2446-2453. https://doi.org/10.1039/b700929a

Functionalised emulsion-templated polymers (PolyHIPEs) are reported as new materials for electroanalytical applications. PolyHIPEs, which are prepared from high internal phase emulsions (HIPEs), were tailored by optimisation of polymerisation conditi... Read More about Emulsion-templated porous materials (PolyHIPEs) for selective ion and molecular recognition and transport: applications in electrochemical sensing.

Structural investigations on quinone methides for understanding their properties in confined media. (2006)
Journal Article
Szarma, R., Batsanov, A., Kataky, R., & Baruah, J. (2006). Structural investigations on quinone methides for understanding their properties in confined media. Journal of Inclusion Phenomena and Macrocyclic Chemistry, 55(1-2), 1-9. https://doi.org/10.1007/s10847-005-9001-1

Encapsulation of 4−[(4′-hydroxy−3′,5′-dimethylphenyl)(aryl)-methylene]−2,6−dimethyl-cyclohexa−2,5−dienones (when aryl=4−hydroxyphenyl 1, 4−methoxyphenyl 2, 2,3,4-trimethoxy phenyl 3) by β-cyclodextrin is studied. The compound 2 is selectively encapsu... Read More about Structural investigations on quinone methides for understanding their properties in confined media..

An introduction to thiol redox proteins in the endoplasmic reticulum and a review of current electrochemical methods of detection of thiols (2006)
Journal Article
Kruusma, J., Benham, A. M., Gareth Williams, J., & Kataky, R. (2006). An introduction to thiol redox proteins in the endoplasmic reticulum and a review of current electrochemical methods of detection of thiols. Analyst, 131(4), 459-473. https://doi.org/10.1039/b515874e

This aim of this paper is to expound the complexity of thiol redox systems in the endoplasmic reticulum of eukaryotic cells to the electroanalytical community. A summary of the state of the art in electrochemical methods for detection of thiols gives... Read More about An introduction to thiol redox proteins in the endoplasmic reticulum and a review of current electrochemical methods of detection of thiols.

Mutations in the FAD binding domain cause stress-induced misoxidation of the endoplasmic reticulum oxidoreductase Ero1b (2006)
Journal Article
Dias-Gunasekara, S., van Lith, M., Williams, J., Kataky, R., & Benham, A. (2006). Mutations in the FAD binding domain cause stress-induced misoxidation of the endoplasmic reticulum oxidoreductase Ero1b. Journal of Biological Chemistry, 281(35), 25018-25025. https://doi.org/10.1074/jbc.m602354200

Disulfide bond catalysis is an essential component of protein biogenesis in the secretory pathway, from yeast through to man. In the endoplasmic reticulum (ER), protein-disulfide isomerase (PDI) catalyzes the oxidation and isomerization of disulfide... Read More about Mutations in the FAD binding domain cause stress-induced misoxidation of the endoplasmic reticulum oxidoreductase Ero1b.

Recommendation for measuring and reporting chloride by ISEs in undiluted serum, plasma or blood. (2006)
Journal Article
Ben Rayana, M., Burnett, R., Covington, A., D'Orazio, P., Fogh-Andersen, N., Jacobs, E., …St John, A. (2006). Recommendation for measuring and reporting chloride by ISEs in undiluted serum, plasma or blood. Clinical Chemistry and Laboratory Medicine, 44(3), 346-352. https://doi.org/10.1515/cclm.2006.060

The proposed recommendation for measuring and reporting chloride in undiluted plasma or blood by ion-selective electrodes (ISEs) will provide results that are identical to chloride concentrations measured by coulometry for standardized normal plasma... Read More about Recommendation for measuring and reporting chloride by ISEs in undiluted serum, plasma or blood..

Expression, interactions and dynamics of the oxidoreductase Ero1Lbeta (2006)
Journal Article
Dias-Gunasekara, S., van Lith, M., Kataky, R., Williams, G., & Benham, A. (2006). Expression, interactions and dynamics of the oxidoreductase Ero1Lbeta. FASEB Journal, 20(4), https://doi.org/10.1096/fasebj.20.4.a500-c

Protein oxidation in the Endoplasmic Reticulum (ER) is catalysed by Endoplasmic reticulum oxidoreductases (EROs) that donate disulfide bonds to (and accept electrons from) Protein Disulfide Isomerase (PDI). Eros are essential for viability and protei... Read More about Expression, interactions and dynamics of the oxidoreductase Ero1Lbeta.

Porous polymers by emulsion templating. (2005)
Journal Article
Barbetta, A., Carnachan, R., Smith, K., Zhao, C., Cameron, N., Kataky, R., …Swan, M. (2005). Porous polymers by emulsion templating. Macromolecular Symposia, 226(1), 203-212. https://doi.org/10.1002/masy.200550819

Highly porous and permeable polymers are produced by polymerisation of the continuous phase of high internal phase emulsions (HIPEs). The morphology and properties of the resulting PolyHIPE materials can be varied, allowing the materials to be optimi... Read More about Porous polymers by emulsion templating..

Modular assembly of a preorganised, ditopic receptor for dicarboxylates. (2005)
Journal Article
Filby, M., Humphries, T., Turner, D., Kataky, R., Kruusma, J., & Steed, J. (2006). Modular assembly of a preorganised, ditopic receptor for dicarboxylates. Chemical Communications, 2006(2), 156-158. https://doi.org/10.1039/b512779c

Two types of calix[4]arene derived hosts for anions with, respectively, 1,3-alternate and cone conformations have been prepared; the 1,3-alternate system binds dicarboxylate anions in a ditopic manner while the cone compounds are deprotonated by carb... Read More about Modular assembly of a preorganised, ditopic receptor for dicarboxylates..

Tissue-specific expression and dimerization of the endoplasmic reticulum oxidoreductase Erolb (2005)
Journal Article
Dias-Gunasekara, S., Gubbens, J., van Lith, M., Dunne, C., Williams, J., Kataky, R., …Benham, A. (2005). Tissue-specific expression and dimerization of the endoplasmic reticulum oxidoreductase Erolb. Journal of Biological Chemistry, 280(38), 33066-33075. https://doi.org/10.1074/jbc.m505023200

Endoplasmic reticulum oxidoreductases (Eros) are essential for the formation of disulfide bonds. Understanding disulfide bond catalysis in mammals is important because of the involvement of protein misfolding in conditions such as diabetes, arthritis... Read More about Tissue-specific expression and dimerization of the endoplasmic reticulum oxidoreductase Erolb.

Individually addressable recessed gold microelectrode arrays with monolayers of thio-cyclodextrin nanocavities (2005)
Journal Article
Grancharov, G., Khosravi, E., Wood, D., Turton, A., & Kataky, R. (2005). Individually addressable recessed gold microelectrode arrays with monolayers of thio-cyclodextrin nanocavities. Analyst, 130(10), 1351-1357. https://doi.org/10.1039/b506367a

Four, individually addressable 30 mu m diameter, e-beam deposited, gold microelectrodes recessed by 6 mm were suitably spaced on a single substrate to avoid diffusional overlap between each microelectrode. The single substrate device was functionalis... Read More about Individually addressable recessed gold microelectrode arrays with monolayers of thio-cyclodextrin nanocavities.

Examination of cobalt, nickel, copper and zinc(II) complex geometry and binding affinity in aqueous media using simple pyridylsulfonamide ligands (2003)
Journal Article
Congreve, A., Kataky, R., Knell, M., Parker, D., Puschmann, H., Senanayake, K., & Wylie, L. (2003). Examination of cobalt, nickel, copper and zinc(II) complex geometry and binding affinity in aqueous media using simple pyridylsulfonamide ligands. New Journal of Chemistry, 27(1), 98-106

The sixteen neutral ML2 complexes of Co, Ni, Cu and Zn(II) with the p-toluenesulfonamide and trifluoromethylsulfonamide derivatives of 2-aminomethylpyridine (L-1, L-2) and its 6-Me homologue (L-3, L-4) have been characterised by low temperature X-ray... Read More about Examination of cobalt, nickel, copper and zinc(II) complex geometry and binding affinity in aqueous media using simple pyridylsulfonamide ligands.

Potential of enzyme mimics in biomimetic sensors: a modified-cyclodextrin as a dehydrogenase enzyme mimic (2003)
Journal Article
Kataky, R., & Morgan, E. (2003). Potential of enzyme mimics in biomimetic sensors: a modified-cyclodextrin as a dehydrogenase enzyme mimic. Biosensors and Bioelectronics, 18(11), 1407-1417. https://doi.org/10.1016/s0956-5663%2803%2900077-0

This paper reports the application of a dehydrogenase enzyme mimic as a biomimetic sensor. The model compound investigated was a beta-cyclodextrin (P-CD) derivative with a nicotinamide group attached to the secondary face of a P-CD (Fig. 1g). It was... Read More about Potential of enzyme mimics in biomimetic sensors: a modified-cyclodextrin as a dehydrogenase enzyme mimic.

Sol gel-immobilised terbium complexes for luminescent sensing of dissolved oxygen by analysis of emission decay (2002)
Journal Article
Blair, S., Kataky, R., & Parker, D. (2002). Sol gel-immobilised terbium complexes for luminescent sensing of dissolved oxygen by analysis of emission decay. New Journal of Chemistry, 26(5), 530-535

Cationic terbium complexes bearing an N-methylphenanthridinium chromophore have been incorporated in sol gel thin films and their response characteristics analysed with respect to variations in dissolved oxygen concentration. Analysis of the emission... Read More about Sol gel-immobilised terbium complexes for luminescent sensing of dissolved oxygen by analysis of emission decay.

A biosensor for monitoring formaldehyde using a new lipophilic tetrathiafulvalene-tetracyanoquinodimethane salt and a polyurethane membrane (2002)
Journal Article
Kataky, R., Bryce, M., Goldenberg, L., Hayes, S., & Nowak, A. (2002). A biosensor for monitoring formaldehyde using a new lipophilic tetrathiafulvalene-tetracyanoquinodimethane salt and a polyurethane membrane. Talanta, 56(3), 451-458

A format for a disposable screen-printed biosensor was investigated for monitoring formaldehyde. The screen-printed sensor format comprised a working electrode (WE) modified with platinised carbon, a new lipophilic tetrathiafulvalene-tetracyanoquinod... Read More about A biosensor for monitoring formaldehyde using a new lipophilic tetrathiafulvalene-tetracyanoquinodimethane salt and a polyurethane membrane.

Narrow-range optical pH sensors based on luminescent europium and terbium complexes immobilized in a sol gel glass (2001)
Journal Article
Blair, S., Lowe, M., Mathieu, C., Parker, D., Senanayake, P., & Kataky, R. (2001). Narrow-range optical pH sensors based on luminescent europium and terbium complexes immobilized in a sol gel glass. Inorganic Chemistry, 40(23), 5860-5867

The metal-based emission of a series of luminescent europium and terbium complexes incorporating an aromatic chromophore is rendered pH-dependent either through perturbation of the aryl singlet or triplet energy or by modulating the degree of quenchi... Read More about Narrow-range optical pH sensors based on luminescent europium and terbium complexes immobilized in a sol gel glass.