Themed collection Electrochemistry for health applications

Craig E. Banks, Tony Killard and B. Jill Venton introduce the Analytical Methods themed issue on electrochemistry for health applications.

This minireview summarizes recent trends in the development of low fouling electrochemical biosensors based on different antifouling materials.

This critical review highlights significant technical advances and in vivo studies from the last five years that facilitate the development of diagnostic tools for brain disorders.

Alkaline phosphatase-based electrochemical biosensors for the diagnosis and monitoring of diseases have been reviewed.

Autoantibodies (AAbs) are antibodies produced against our own cells or tissues either providing a first defense against infections or indicating the presence of pathological processes.

The carbon-fiber microelectrode has been used for decades as a neurotransmitter sensor, but many new carbon electrodes have recently been developed with beneficial electrochemical properties that take advantage of surface chemistry and surface structure.

Biogenic amines in water were detected potentiometrically utilizing an easy-to-prepare sensing electrode functionalized with a self-assembled monolayer (SAM) of 4-mercaptobenzoic acid (BA).

A crude laccase preparation from Botryosphaeria rhodina MAMB-05 was employed to construct an electrochemical biosensor using nanostructured carbon black to epinephrine determination.

In this study, a pencil graphite electrode (PGE) modified with a composite of polypyrrole and Au nanoparticles (Au-NPs/PP/PGE) was developed and evaluated as a novel electrochemical sensor for the determination of adrenalone for the first time.

In this work, a palladium atomic cluster modified glassy carbon electrode (PdAC/GCE) was developed by potentiodynamic electrodeposition in the presence of an anionic surfactant for the electrochemical detection of glutathione (GSH).

Carbon-fiber microelectrodes (CFMEs) have been used for several years for the detection of neurotransmitters such as dopamine.

A simple and sensitive electrochemical immunoassay method was developed for the quantitative monitoring of lipoprotein-associated phospholipase A₂ (Lp-PLA₂) on a low-cost microtiter plate by using a portable handheld pH meter.

Robustness in an impedance-based tattoo electrode platform is achieved through the integration of novel material approaches for skin physiology monitoring.

An electrochemical immunosensor was constructed for the detection of E. coli O157:H7 using Au@Pt, rGO and regenerative leucoemeraldine PANI/AuNPs.

A simple but effective polyethylenimine-based voltammetric method for rapid detection of heparin in plasma.

Designing a sensitive magnetic nanostructured sensor for simultaneous determination of L-tyrosine and epinephrine.

In this paper, we demonstrate a hybrid flexible biosensor comprised of an aqueous and ionic interface integrated onto metallic gold microelectrodes for rapid and noninvasive monitoring of cortisol.

We report a combination of HPLC and electrochemistry towards the detection of heroin, fentanyl and ten fentalogues.

The importance of filtered control studies for ascertaining the origin of bacterial SERS signals is highlighted.

Perovskite nanomaterial based electrochemical biosensor for label free sub femtomolar detection of cardiac biomarker troponin T.

Hydroquinone (HQ) and catechol (CC) are two isomers, which often coexist and interfere with each other during their identification in samples.

A novel electrochemical sensor based on Pd@Pt/MWCNT composite for simultaneous detection of doxorubicin and dasatinib.

A disposable screen-printed carbon electrode modified with uniform iron oxide nanocubes was explored for simple electrochemical determination of meclizine, an antihistamine drug.

A sensitive electrochemical strategy for determination of PIK3CA gene associated with breast cancer was developed based on MoS₂ nanosheet-supported PIn6COOH.

A transient isotachophoresis separation and Pt black working electrode allow detection of nitrite in stimulated macrophage cells with improved sensitivity.

The electrochemical behaviour of the flavonoid naringenin (NGN) was investigated for the first time by cyclic voltammetry (CV), using a disposable electroactivated pencil graphite electrode (PGE*).

Theophylline determination at gold nanoparticle/carbon nanotube modified electrode and analysis in commercial pharmaceutical and tea samples.

We report an electrochemical immunosensor for alpha-fetoprotein (AFP) on an immobilisation layer of carbon and gold bi-nanoparticles. XRD and immunosensor responses to 10 ng mL⁻¹ alpha-fetoprotein: (a) GCE/antibody/BSA, (b) GCE/AuNPs/antibody/BSA, (c) GCE/CNPs/antibody/BSA, (d) GCE/CNPs/AuNPs/antibody/BSA.

A new electrochemiluminescence (ECL) glucose biosensor based on polypyrrole/polyluminol/C₃N₄–Ni(OH)₂/glucose oxidase (Ppy/Plu/C₃N₄–Ni(OH)₂/GOx) was fabricated by the electropolymerization of pyrrole and luminol in acidic medium for glucose detection.

A label-free potentiometric aptasensing platform was designed for detection of carcinoembryonic antigen on a graphene oxide-modified electrode coupling with target recycling-assisted signal amplification.

An FeMOF/MC composite as an excellent electrocatalyst towards the simultaneous electrochemical determination of AML and LOS.

A graphene oxide/lysine (GO/lys) composite, synthesized using a very simple chemical method, has been used to modify a glassy carbon electrode for the voltammetric detection of diazepam.

A sandwich-type electrochemical immunosensor was developed based on a multiple signal amplification strategy.

A conductometric immunoanalytical method was developed for the sensitive detection of the liver cancer biomarker (alpha-fetoprotein, AFP), using platinum (Pt)-functionalized graphitic carbon nitride (g-C₃N₄) nanosheets..