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Advances in electrochemical detection of bacterial biofilm metabolites (2024)
Journal Article
Haghighian, N., & Kataky, R. (2024). Advances in electrochemical detection of bacterial biofilm metabolites. Current Opinion in Electrochemistry, 46, Article 101486. https://doi.org/10.1016/j.coelec.2024.101486

Bacterial biofilms are structured communities of microorganisms that play a critical role in various industries and healthcare settings, contributing to chronic infections and biofouling issues. Understanding the metabolites produced by bacterial bio... Read More about Advances in electrochemical detection of bacterial biofilm metabolites.

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.