In Situ Recalibration of Ion Selective Electrodes

Reference electrode drift resulting from the exchange of ions at the solution/reference electrode chamber interface is the number one reason why ion selective electrodes and pH sensors in particular require...

Highly improved the performance of film-based fluorescent sensor via nanomesh scaffold strategy

Public safety and environmental monitoring is of great significance to maintain human health. Therefore, a simple and effective strategy for preparing the substrate layer of film-based fluorescent sensor is developed...

Recent Developments towards Portable Point-of-Care Diagnostic Devices for Pathogen Detection

The rapid development of accurate and quick diagnostic tools for infectious diseases has made a massive impact in global health. POC devices for pathogen detection have primarily contributed to clinical...

Rapid diagnosis of egg allergy by targeting ovalbumin specific IgE and IgG4 in serum at a disposable electrochemical immunoplatform

This work reports the first electrochemical bioplatforms described to date for the single and simultaneous determination of two immunoglobulin (Igs) subtypes, IgE and IgG4, considered as reliable markers for the...

Highly sensitive urine glucose detection by graphene field-effect transistors functionalized with electropolymerized nanofilms.

We introduce a new approach for glucose oxidase (GOx) immobilization on graphene field-effect transistors (gFETs) to fabricate highly sensitive glucose sensors. The strategy relies on the electropolymerization of a layer...

Ionophore-Based Ion-Selective Electrodes: Signal Transduction and Amplification from Potentiometry

Ionophore-based ion-selective electrodes (ISEs) are traditionally operated with potentiometry by measuring the open circuit potential against a reference electrode. However, the sensitivity of ISEs is limited by the well-known Nernstian...

Explorations in a galaxy of sialic acids: a review of sensing horizons, motivated by emerging biomedical and nutritional relevance

Rationale for nutrition value and biodiagnostic requirements of sialic acids including Neu5Ac.

A ratiometric luminescence nanoprobe based on layered terbium hydroxide nanosheets for quantitative detection of an anthrax biomarker

A novel ratiometric luminescence nanoprobe based on layered terbium hydroxide nanosheets can selectively detect dipicolinic acid, which is an anthrax biomarker.

Quad-band terahertz metamaterial absorber enabled by an asymmetric I-type resonator formed from three metallic strips for sensing application

A quad-band near-perfect terahertz absorber employing an asymmetric metamaterial element is demonstrated.

Electroanalytical Overview: The Electroanalytical Sensing of Hydrazine

In this overview, we explore the electroanalytical sensing of the important chemical reagent hydrazine, highlighting the plethora of electrochemical sensing strategies utilised from the first reports in 1951 to the...